/* ============================================================
   saldo.css — Fase 1 del rediseño: CSS extraído de index.php
   SIN cambios: corte y pega puro.
   ============================================================ */

/* ============================================================
   BLOQUE 1: <style> principal del <head>
   Origen: index.php líneas 142–1724 (versión previa a Fase 1)
   ============================================================ */
    /* ============================================================
       SALDO — Notion claro con identidad azul de marca
       Conserva el azul var(--brand) como acento principal.
       ============================================================ */
    /* ============================================================
       VARIABLES DE TEMA (Fase 3) — única fuente de verdad de color.
       Ningún valor de color literal debe existir fuera de :root.
       Agrupado semánticamente para habilitar temas (modo oscuro).
       ============================================================ */
    :root {
      /* ---------- Fondos / superficies ---------- */
      --bg: #FFFFFF;            /* superficie principal: cards, inputs */
      --bg-soft: #F7F7F5;
      --bg-elev: #FFFFFF;
      --bg-page: #FAFAF9;
      --slate-faint: #F8FAFC;   /* fondo del preview USDT→MXN */

      /* ---------- Textos ---------- */
      --fg: #0A0A0A;
      --fg-soft: #404040;
      --fg-mute: #737373;
      --fg-faint: #A3A3A3;
      --fg-mute-warm: #9B9A97;  /* gris cálido (banner intermitencia) */
      --ink-deep: #0F172A;      /* titulares de máximo contraste */
      --slate-ink: #475569;     /* texto secundario frío */
      --on-brand: #FFFFFF;      /* texto/iconos sobre fondos de color */
      --on-brand-dim: rgba(255,255,255,.55);
      --on-brand-glint: rgba(255,255,255,.25);

      /* ---------- Bordes / divisores ---------- */
      --line: #EDEDEC;
      --line-2: #E3E2E0;
      --line-3: #D3D1CB;
      --slate-line: #CBD5E1;    /* borde punteado del preview USDT→MXN */

      /* ---------- Marca (azul) ---------- */
      --brand: #2563EB;
      --brand-hover: #1D4ED8;
      --brand-soft: #EBF2FE;
      --brand-line: #C8DBFB;
      --brand-deep: #1E40AF;    /* inicio del gradiente del strip bnx */
      --brand-bright: #3B82F6;  /* fin del gradiente / links del bnx */

      /* ---------- Verde secundario / success ---------- */
      --brand-2: #10B981;
      --brand-2-soft: #DDEDEA;
      --brand-2-line: #BCDED8;
      --success: #10B981;
      --success-soft: #DDEDEA;
      --success-deep: #059669;
      --success-ink: #047857;
      --success-faint: #F0FDF4;
      --green-soft: #D1FAE5;    /* fondo card Azteca seleccionada */

      /* ---------- Estados: warning / dorado ---------- */
      --warn: #F59E0B;
      --warn-soft: #FBF3DB;
      --warn-line: #F2E1B0;
      --gold: #B07410;
      --gold-deep: #8B5A0C;     /* hover del botón copiar P2P */
      --amber-bright: #FBBF24;  /* engrane dorado del bnx */
      --warm-bg: #FAEBDD;       /* toast cálido del bnx */
      --warm-line: #F1D5B4;
      --warm-ink: #B7651A;

      /* ---------- Estados: danger ---------- */
      --danger: #EF4444;
      --danger-hover: #DC2626;
      --danger-deep: #B91C1C;
      --danger-bg: #FEF2F2;
      --danger-text: #991B1B;
      --danger-line: #F5C9C9;
      --red-soft: #FEE2E2;      /* gradiente card Banamex seleccionada */
      --rose: #FB7185;          /* engrane rosa del bnx */

      /* ---------- Selección (dorado) y cards seleccionadas ---------- */
      --select: #F59E0B;
      --select-soft: #FEF8E1;
      --select-line: #FDE68A;
      --select-strong: #D97706;       /* card MP seleccionada */
      --select-strong-soft: #FEF3C7;
      --blue-deep: #1E3A8A;           /* card BBVA seleccionada */
      --blue-soft: #DBEAFE;

      /* ---------- Bancos (cards) ---------- */
      --c-mp: #2563EB;          --c-mp-soft: #EBF2FE;     --c-mp-line: #C8DBFB;
      --c-bbva: #2563EB;        --c-bbva-soft: #EBF2FE;   --c-bbva-line: #C8DBFB;
      --c-azteca: #0F7B6C;      --c-azteca-soft: #DDEDEA; --c-azteca-line: #BCDED8;
      --c-banamex: #B7322C;     --c-banamex-soft: #FBE4E4;--c-banamex-line: #F5C9C9;

      /* ---------- Marcas externas ---------- */
      --wa: #25D366;            --wa-hover: #1DA851;
      --tg: #229ED9;            --tg-hover: #1A82B5;
      --binance: #F0B90B;       --binance-deep: #C58B00;  --binance-ink: #1A1A1A;

      /* ---------- Overlays / tintes ---------- */
      --overlay: rgba(15,23,42,0.65);      /* fondo del modal processing */
      --hover-tint: rgba(0,0,0,0.03);
      --pulse-ring: rgba(37,99,235,0.35);  /* keyframes pulse */
      --pulse-ring-0: rgba(37,99,235,0);

      /* ---------- Sombras ---------- */
      --shadow-xs: 0 1px 2px rgba(15,23,42,0.04);
      --shadow-sm: 0 2px 6px rgba(15,23,42,0.05);
      --shadow: 0 6px 18px rgba(15,23,42,0.06);
      --shadow-lg: 0 18px 40px rgba(15,23,42,0.10);
      --shadow-brand: 0 6px 22px rgba(37,99,235,0.18);
      --shadow-brand-lg: 0 10px 28px rgba(37,99,235,0.28);
      --shadow-select: 0 8px 26px rgba(245,158,11,0.20);
      --shadow-select-mp: 0 10px 28px rgba(217,119,6,0.28);
      --shadow-select-bbva: 0 10px 28px rgba(30,58,138,0.30);
      --shadow-select-banamex: 0 10px 28px rgba(153,27,27,0.24), 0 4px 14px rgba(30,58,138,0.20);
      --shadow-select-azteca: 0 10px 28px rgba(4,120,87,0.30);
      --shadow-danger: 0 4px 14px rgba(239,68,68,0.18);
      --shadow-success-pill: 0 2px 8px rgba(16, 185, 129, 0.15);
      --shadow-binance: 0 6px 22px rgba(240,185,11,0.3);
      --shadow-binance-sm: 0 4px 14px rgba(240,185,11,0.25);
      --shadow-binance-md: 0 8px 22px rgba(240,185,11,0.35);
      --shadow-binance-lg: 0 10px 28px rgba(240,185,11,0.4);
      --shadow-wa: 0 2px 8px rgba(37,211,102,.25);
      --shadow-wa-lg: 0 6px 18px rgba(37,211,102,.35);
      --shadow-bnx: 0 8px 24px rgba(15,23,42,.10);
      --shadow-bnx-toast: 0 8px 24px rgba(15,23,42,.12);
      --focus-ring: 0 0 0 3px rgba(37,99,235,0.12);
      --focus-ring-wide: 0 0 0 4px rgba(37,99,235,0.15);

      /* ---------- Radios ---------- */
      --radius: 14px;
      --radius-sm: 8px;
      --radius-lg: 18px;
      --radius-xl: 24px;

      /* ---------- Motion ---------- */
      --t: 130ms;
      --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);

      /* ---------- Tipografía ---------- */
      --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
    }

    /* ============================================================
       MODO OSCURO (Fase 4) — SOLO sobreescribe variables, nunca
       edita las de :root. El modo claro queda intacto.
       Todos los componentes ya consumen estas variables (Fase 3),
       así que no hay reglas de componente aquí.
       ============================================================ */
    [data-theme="dark"] {
      /* Fondos / superficies: página muy oscura, cards un paso más claras */
      --bg: #1A1D24;            /* cards, inputs, tab activa (sobre la página) */
      --bg-soft: #14161B;       /* trough de tabs / hovers / cabecera de toast */
      --bg-elev: #1F232B;
      --bg-page: #0F1115;
      --slate-faint: #14161B;

      /* Textos claros */
      --fg: #ECEEF1;
      --fg-soft: #C2C6CD;
      --fg-mute: #8B9099;
      --fg-faint: #6A6F78;
      --fg-mute-warm: #9B978F;
      --ink-deep: #ECEEF1;      /* el titular de máximo contraste se invierte */
      --slate-ink: #B0B6BF;
      /* --on-brand y derivados se quedan blancos: el texto sobre botones de
         color (azul/verde/rojo/dorado) sigue legible en ambos temas. */

      /* Bordes / divisores */
      --line: #2A2E37;
      --line-2: #353A44;
      --line-3: #454B57;
      --slate-line: #3C434F;

      /* Marca: azul un poco más brillante para contrastar sobre oscuro */
      --brand: #3B82F6;
      --brand-hover: #60A5FA;
      --brand-soft: #1B2740;    /* superficie azulada oscura (badges, chips) */
      --brand-line: #2F4668;
      --brand-deep: #1E40AF;
      --brand-bright: #60A5FA;

      /* Verde / success: sigue distinguiéndose */
      --brand-2: #34D399;
      --brand-2-soft: #14352B;
      --brand-2-line: #1F5448;
      --success: #34D399;
      --success-soft: #14352B;
      --success-deep: #10B981;
      --success-ink: #6EE7B7;
      --success-faint: #122A20;
      --green-soft: #1C5040;    /* card Azteca seleccionada — Fase 6: +contraste */

      /* Warning / dorado */
      --warn: #FBBF24;
      --warn-soft: #322811;
      --warn-line: #574616;
      --gold: #D4A23C;
      --gold-deep: #B07410;
      --amber-bright: #FBBF24;
      --warm-bg: #352716;       /* toast cálido del bnx */
      --warm-line: #574630;
      --warm-ink: #F0C58A;

      /* Danger */
      --danger: #F87171;
      --danger-hover: #EF4444;
      --danger-deep: #DC2626;
      --danger-bg: #2E1717;
      --danger-text: #FCA5A5;
      --danger-line: #5A2A2A;
      --red-soft: #5A2828;      /* gradiente card Banamex seleccionada — Fase 6: +contraste */
      --rose: #FB7185;

      /* Selección (dorado) y cards seleccionadas — Fase 6: fondos más perceptibles */
      --select: #FBBF24;
      --select-soft: #423619;
      --select-line: #5A4A1E;
      --select-strong: #F59E0B; /* card MP seleccionada */
      --select-strong-soft: #4D3813;
      --blue-deep: #60A5FA;     /* card BBVA seleccionada */
      --blue-soft: #234A7A;

      /* Bancos (cards) */
      --c-mp: #3B82F6;          --c-mp-soft: #1B2740;     --c-mp-line: #2F4668;
      --c-bbva: #3B82F6;        --c-bbva-soft: #1B2740;   --c-bbva-line: #2F4668;
      --c-azteca: #2DD4BF;      --c-azteca-soft: #14352B; --c-azteca-line: #1F5448;
      --c-banamex: #F87171;     --c-banamex-soft: #3A1B1B;--c-banamex-line: #5A2A2A;

      /* Marcas externas: se conservan (identidad), funcionan sobre oscuro */

      /* Overlays / tintes */
      --overlay: rgba(0,0,0,0.72);
      --hover-tint: rgba(255,255,255,0.05);
      --pulse-ring: rgba(59,130,246,0.5);
      --pulse-ring-0: rgba(59,130,246,0);

      /* Sombras: más opacas para notarse sobre fondo oscuro */
      --shadow-xs: 0 1px 2px rgba(0,0,0,0.5);
      --shadow-sm: 0 2px 6px rgba(0,0,0,0.55);
      --shadow: 0 6px 18px rgba(0,0,0,0.6);
      --shadow-lg: 0 18px 40px rgba(0,0,0,0.7);
      --shadow-brand: 0 6px 22px rgba(59,130,246,0.4);
      --shadow-brand-lg: 0 10px 28px rgba(59,130,246,0.5);
      --shadow-bnx: 0 8px 24px rgba(0,0,0,0.6);
      --shadow-bnx-toast: 0 8px 24px rgba(0,0,0,0.6);
      --focus-ring: 0 0 0 3px rgba(59,130,246,0.3);
      --focus-ring-wide: 0 0 0 4px rgba(59,130,246,0.35);
      /* Fase 6: glow de selección más fuerte para que la card elegida resalte
         claramente sobre el fondo oscuro (sube opacidad y añade halo). */
      --shadow-select:         0 0 0 1px rgba(251,191,36,0.45), 0 8px 26px rgba(251,191,36,0.30);
      --shadow-select-mp:      0 0 0 1px rgba(245,158,11,0.55), 0 10px 28px rgba(245,158,11,0.38);
      --shadow-select-bbva:    0 0 0 1px rgba(96,165,250,0.55), 0 10px 28px rgba(96,165,250,0.40);
      --shadow-select-banamex: 0 0 0 1px rgba(252,165,165,0.50), 0 10px 28px rgba(248,113,113,0.34);
      --shadow-select-azteca:  0 0 0 1px rgba(110,231,183,0.50), 0 10px 28px rgba(52,211,153,0.36);
    }

    /* Fase 6: el modo oscuro es SOLO opt-in manual ([data-theme="dark"]).
       Se eliminó el @media (prefers-color-scheme: dark): sin elección guardada
       el tema es claro, independientemente de la preferencia del sistema. */

    /* Transición suave SOLO al cambiar de tema (no altera el aspecto estático). */
    html, body { transition: background-color 0.25s var(--ease), color 0.25s var(--ease); }

    * { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
    html, body { height: 100%; scroll-behavior: smooth; }

    body {
      background: var(--bg-page);
      color: var(--fg);
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
      font-size: 14.5px;
      line-height: 1.55;
      letter-spacing: -0.003em;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      overflow-x: hidden;
      position: relative;
    }

    a { color: inherit; text-decoration: none; }

    ::-webkit-scrollbar { width: 8px; height: 8px; }
    ::-webkit-scrollbar-track { background: transparent; }
    ::-webkit-scrollbar-thumb { background: var(--line-3); border-radius: 10px; }
    ::-webkit-scrollbar-thumb:hover { background: var(--fg-mute); }

    /* ============================================================
       SISTEMA DE BOTONES (Fase 3) — base + variantes, solo variables.
       Va ANTES de los componentes a propósito: en empates de
       especificidad ganan las clases viejas (más abajo), así el
       render no cambia mientras conviven ambas generaciones.
       ============================================================ */
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 12px 22px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 14px;
      cursor: pointer;
      font-family: inherit;
      text-decoration: none;
      border: 1.5px solid transparent;
      transition: all var(--t) var(--ease);
    }
    .btn-primary {
      background: var(--brand);
      color: var(--on-brand);
      border-color: var(--brand);
      box-shadow: var(--shadow-brand);
    }
    .btn-primary:hover:not(:disabled) {
      background: var(--brand-hover);
      border-color: var(--brand-hover);
      transform: translateY(-1px);
    }
    .btn-primary:disabled {
      opacity: 0.55;
      cursor: not-allowed;
      box-shadow: none;
    }
    .btn-secondary {
      background: var(--bg);
      color: var(--fg);
      border: 1px solid var(--line-2);
    }
    .btn-secondary:hover { background: var(--bg-soft); }
    .btn-ghost {
      background: var(--bg);
      color: var(--fg-soft);
      border-color: var(--line-2);
    }
    .btn-ghost:hover {
      background: var(--bg-soft);
      color: var(--fg);
      border-color: var(--line-3);
    }
    .btn-danger {
      background: var(--danger);
      color: var(--on-brand);
      border: none;
    }
    .btn-danger:hover { background: var(--danger-hover); }

    /* ============================================================
       HEADER
       ============================================================ */
    header {
      background: var(--bg);
      border-bottom: 1px solid var(--line);
      padding: 14px 20px;
      position: sticky;
      top: 0;
      z-index: 50;
    }
    .header-inner {
      max-width: 1080px;
      margin: 0 auto;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .brand img {
      height: 38px;
      width: auto;
      display: block;
    }
    .home-btn {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 14px;
      background: var(--bg);
      border: 1px solid var(--line-2);
      border-radius: var(--radius-sm);
      color: var(--fg);
      font-weight: 500;
      font-size: 13px;
      transition: all var(--t) var(--ease);
    }
    .home-btn:hover {
      background: var(--bg-soft);
      border-color: var(--line-3);
    }

    /* ============================================================
       TOGGLE DE TEMA (Fase 4) — interruptor sol/luna estilo iOS
       ============================================================ */
    .header-actions {
      display: inline-flex;
      align-items: center;
      gap: 12px;
    }
    /* Pista = cielo. Día: azul claro con sol; noche: azul noche con estrellas.
       Colores propios del control (no son del tema de la app) → literales ok
       a nivel de componente decorativo; el resto de la UI sigue por variables. */
    .theme-toggle {
      position: relative;
      flex-shrink: 0;
      width: 66px;
      height: 32px;
      padding: 0;
      border-radius: 999px;
      border: 1px solid rgba(0,0,0,0.12);
      background: linear-gradient(160deg, #7EC8F2 0%, #4A9FE0 100%);
      cursor: pointer;
      overflow: hidden;
      transition: background 0.45s var(--ease), border-color 0.45s var(--ease);
      -webkit-appearance: none;
      appearance: none;
    }
    [data-theme="dark"] .theme-toggle {
      background: linear-gradient(160deg, #2B3F6B 0%, #15203D 100%);
      border-color: rgba(255,255,255,0.14);
    }
    .theme-toggle:focus-visible {
      outline: none;
      box-shadow: var(--focus-ring);
    }
    /* Thumb = sol (día) que se desliza y se vuelve luna (noche) */
    .tt-thumb {
      position: absolute;
      top: 4px;
      left: 4px;
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: radial-gradient(circle at 35% 35%, #FFE08A 0%, #FFC93C 55%, #F7A823 100%);
      box-shadow: 0 0 8px 2px rgba(255,201,60,0.7), 0 1px 2px rgba(0,0,0,0.25);
      transition: transform 0.45s var(--ease), background 0.45s var(--ease), box-shadow 0.45s var(--ease);
      z-index: 2;
    }
    [data-theme="dark"] .tt-thumb {
      transform: translateX(34px);
      background: radial-gradient(circle at 35% 35%, #F4F6FB 0%, #D5DAE6 70%, #B9C0D0 100%);
      box-shadow: 0 0 7px 1px rgba(220,226,240,0.45), 0 1px 2px rgba(0,0,0,0.4);
    }
    /* Cráteres de la luna: aparecen solo en oscuro (pseudo-elementos del thumb) */
    .tt-thumb::before,
    .tt-thumb::after {
      content: "";
      position: absolute;
      border-radius: 50%;
      background: rgba(150,158,178,0.55);
      opacity: 0;
      transition: opacity 0.45s var(--ease);
    }
    .tt-thumb::before { width: 6px; height: 6px; top: 6px;  left: 12px; }
    .tt-thumb::after  { width: 4px; height: 4px; top: 13px; left: 6px; }
    [data-theme="dark"] .tt-thumb::before,
    [data-theme="dark"] .tt-thumb::after { opacity: 1; }
    /* Nubes (día): pequeñas, blancas; desaparecen en noche */
    .tt-cloud {
      position: absolute;
      background: rgba(255,255,255,0.9);
      border-radius: 999px;
      pointer-events: none;
      transition: opacity 0.45s var(--ease), transform 0.45s var(--ease);
      z-index: 1;
    }
    .tt-cloud-1 { width: 16px; height: 6px; top: 7px;  right: 9px;  box-shadow: -6px 2px 0 -1px rgba(255,255,255,0.8); }
    .tt-cloud-2 { width: 11px; height: 5px; top: 18px; right: 18px; }
    [data-theme="dark"] .tt-cloud { opacity: 0; transform: translateY(-4px); }
    /* Estrellas (noche): varias con un solo elemento + box-shadow; ocultas en día */
    .tt-stars {
      position: absolute;
      top: 8px;
      left: 10px;
      width: 2px;
      height: 2px;
      border-radius: 50%;
      background: #fff;
      box-shadow:
        6px 4px 0 0 rgba(255,255,255,0.9),
        14px -2px 0 -0.5px rgba(255,255,255,0.7),
        3px 12px 0 -0.5px rgba(255,255,255,0.75),
        18px 9px 0 0 rgba(255,255,255,0.85),
        24px 2px 0 -0.5px rgba(255,255,255,0.6);
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.45s var(--ease);
      z-index: 1;
    }
    [data-theme="dark"] .tt-stars { opacity: 1; }
    /* Respeta reduce-motion: el estado cambia, pero sin transición/movimiento. */
    @media (prefers-reduced-motion: reduce) {
      .theme-toggle, .tt-thumb, .tt-thumb::before, .tt-thumb::after,
      .tt-cloud, .tt-stars { transition: none; }
    }

    /* ============================================================
       TABS
       ============================================================ */
    .tabs-wrap {
      max-width: 1080px;
      margin: 22px auto 0;
      padding: 0 20px;
    }
    .tabs {
      display: flex;
      gap: 4px;
      background: var(--bg-soft);
      border: 1px solid var(--line);
      padding: 4px;
      border-radius: var(--radius);
      overflow-x: auto;
      scrollbar-width: none;
    }
    .tabs::-webkit-scrollbar { display: none; }
    .tab-btn {
      flex: 1 1 auto;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      color: var(--fg-soft);
      font-weight: 500;
      font-size: 13.5px;
      white-space: nowrap;
      transition: all var(--t) var(--ease);
      min-width: 0;
    }
    .tab-btn i { font-size: 15px; opacity: 0.85; }
    .tab-btn:hover { color: var(--fg); background: var(--hover-tint); }
    .tab-btn.active {
      background: var(--bg);
      color: var(--brand);
      font-weight: 600;
      box-shadow: var(--shadow-xs);
      border: 1px solid var(--line-2);
    }
    .tab-btn.active i { color: var(--brand); opacity: 1; }
    .tab-tag {
      display: inline-block;
      background: var(--brand-2);
      color: var(--on-brand);
      padding: 1px 7px;
      border-radius: 999px;
      font-size: 10px;
      font-weight: 700;
      margin-left: 4px;
      letter-spacing: 0.04em;
    }

    /* ============================================================
       PANELS
       ============================================================ */
    .tab-panels {
      max-width: 1080px;
      margin: 0 auto;
      padding: 24px 20px 80px;
    }
    .tab-panel { display: none; }
    .tab-panel.active { display: block; }

    /* ============================================================
       NOTICE (caja info de instrucciones)
       ============================================================ */
    .notice {
      background: var(--bg);
      border: 1px solid var(--line-2);
      border-radius: var(--radius);
      padding: 18px;
      margin-bottom: 22px;
      box-shadow: var(--shadow-xs);
    }
    .notice-header {
      display: flex;
      flex-wrap: wrap;
      align-items: flex-start;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 10px;
    }
    .badge {
      background: var(--brand-soft);
      color: var(--brand);
      border: 1px solid var(--brand-line);
      padding: 5px 12px;
      border-radius: 999px;
      font-weight: 600;
      font-size: 11.5px;
      letter-spacing: 0.02em;
    }
    .action-column { display: flex; }
    .notice-actions { display: flex; gap: 8px; flex-wrap: wrap; }
    .social-btn {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 7px 12px;
      border-radius: var(--radius-sm);
      font-size: 12.5px;
      font-weight: 600;
      transition: all var(--t) var(--ease);
      border: 1px solid transparent;
    }
    .wa-btn { background: var(--wa); color: var(--on-brand); }
    .wa-btn:hover { background: var(--wa-hover); }
    .tg-btn { background: var(--tg); color: var(--on-brand); }
    .tg-btn:hover { background: var(--tg-hover); }
    .warning-row {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      background: var(--warn-soft);
      border: 1px solid var(--warn-line);
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      margin: 10px 0;
      font-size: 13px;
    }
    .help-btn-red {
      display: inline-flex;
      align-items: center;
      padding: 6px 12px;
      background: var(--danger);
      color: var(--on-brand);
      border-radius: var(--radius-sm);
      font-size: 12px;
      font-weight: 600;
      transition: all var(--t) var(--ease);
    }
    .help-btn-red:hover { background: var(--danger-hover); }
    .notice p { margin: 8px 0; font-size: 13.5px; color: var(--fg-soft); }
    .notice p strong { color: var(--fg); }
    .min50 { color: var(--brand); font-weight: 700; }
    .key-warning {
      background: var(--danger);
      border: 1px solid var(--danger);
      color: var(--on-brand);
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      margin-top: 10px;
      box-shadow: var(--shadow-danger);
    }
    .key-warning p { margin: 0; color: var(--on-brand); font-weight: 600; }
    .key-warning p strong { color: var(--on-brand); font-weight: 800; }

    /* ============================================================
       FORMULARIO — section-title
       ============================================================ */
    .section-title {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 14px;
      background: var(--brand-soft);
      color: var(--brand);
      border-radius: var(--radius-sm);
      font-weight: 700;
      font-size: 13px;
      letter-spacing: 0.01em;
      text-transform: uppercase;
      margin: 22px 0 14px;
    }
    .section-title i { font-size: 14px; }

    /* ============================================================
       BANK SECTIONS y ACCOUNT CARDS
       ============================================================ */
    .account-sections { display: flex; flex-direction: column; gap: 18px; }
    .bank-section {
      background: var(--bg);
      border: 1px solid var(--line-2);
      border-radius: var(--radius);
      padding: 18px;
      box-shadow: var(--shadow-xs);
    }
    .bank-section-head {
      display: flex;
      flex-wrap: wrap;
      align-items: flex-end;
      justify-content: space-between;
      gap: 8px;
      margin-bottom: 14px;
    }
    .bank-section-kicker {
      font-size: 11.5px;
      font-weight: 700;
      color: var(--brand);
      letter-spacing: 0.04em;
      margin-bottom: 4px;
    }
    .bank-section h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--fg);
      letter-spacing: -0.01em;
    }
    .bank-section-note {
      color: var(--fg-mute);
      font-size: 12px;
      max-width: 320px;
      text-align: right;
    }

    .accounts-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 12px;
    }

    /* Cada card tiene un radio nativo oculto y la card visual */
    .account {
      position: relative;
      display: block;
      background: var(--bg);
      border: 1.5px solid var(--line-2);
      border-radius: var(--radius);
      padding: 16px;
      cursor: pointer;
      transition: all var(--t) var(--ease);
    }
    .account input[type="radio"] {
      position: absolute;
      top: 16px;
      left: 16px;
      width: 18px;
      height: 18px;
      margin: 0;
      cursor: pointer;
      accent-color: var(--brand);
    }
    .account .acc-right {
      padding-left: 28px;
    }
    .account:hover {
      border-color: var(--brand-line);
      background: var(--brand-soft);
      transform: translateY(-1px);
      box-shadow: var(--shadow-sm);
    }
    /* === Colores por banco al seleccionar (feedback de Oscar) === */
    /* Mercado Pago: amarillo dorado (default base, ya existe) */
    .account.selected {
      border-color: var(--select);
      background: var(--select-soft);
      box-shadow: var(--shadow-select);
      border-width: 2.5px;
    }
    .account.selected:hover {
      background: var(--select-soft);
      border-color: var(--select);
    }

    /* Mercado Pago — amarillo intenso */
    .account.brand-mp.selected {
      border-color: var(--select-strong);
      background: var(--select-strong-soft);
      box-shadow: var(--shadow-select-mp);
      border-width: 2.5px;
    }
    .account.brand-mp input[type="radio"] { accent-color: var(--select-strong); }

    /* BBVA — azul corporativo intenso */
    .account.brand-bbva.selected {
      border-color: var(--blue-deep);
      background: var(--blue-soft);
      box-shadow: var(--shadow-select-bbva);
      border-width: 2.5px;
    }
    .account.brand-bbva.selected:hover {
      background: var(--blue-soft);
      border-color: var(--blue-deep);
    }
    .account.brand-bbva input[type="radio"] { accent-color: var(--blue-deep); }

    /* Banamex — rojo Citibanamex con azul */
    .account.brand-banamex.selected {
      border-color: var(--danger-text);
      background: linear-gradient(135deg, var(--red-soft) 0%, var(--blue-soft) 100%);
      box-shadow: var(--shadow-select-banamex);
      border-width: 2.5px;
    }
    .account.brand-banamex.selected:hover {
      background: linear-gradient(135deg, var(--red-soft) 0%, var(--blue-soft) 100%);
      border-color: var(--danger-text);
    }
    .account.brand-banamex input[type="radio"] { accent-color: var(--danger-text); }

    /* Banco Azteca — verde corporativo intenso */
    .account.brand-azteca.selected {
      border-color: var(--success-ink);
      background: var(--green-soft);
      box-shadow: var(--shadow-select-azteca);
      border-width: 2.5px;
    }
    .account.brand-azteca.selected:hover {
      background: var(--green-soft);
      border-color: var(--success-ink);
    }
    .account.brand-azteca input[type="radio"] { accent-color: var(--success-ink); }

    /* Otro banco genérico — azul de marca intenso */
    .account.brand-other.selected {
      border-color: var(--brand-hover);
      background: var(--blue-soft);
      box-shadow: var(--shadow-brand);
      border-width: 2.5px;
    }

    .acc-header {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      margin-bottom: 10px;
    }
    .bank-logo {
      flex-shrink: 0;
      width: 44px;
      height: 44px;
      border-radius: var(--radius-sm);
      background: var(--bg);
      border: 1px solid var(--line-2);
      display: grid;
      place-items: center;
      overflow: hidden;
    }
    .bank-logo img {
      max-width: 32px;
      max-height: 32px;
      display: block;
      object-fit: contain;
    }
    .acc-info { flex: 1; min-width: 0; }
    .acc-title {
      font-size: 14px;
      font-weight: 800;
      color: var(--fg);
      letter-spacing: -0.005em;
      line-height: 1.2;
      text-transform: uppercase;
    }
    .acc-holder {
      font-size: 12.5px;
      font-weight: 600;
      color: var(--fg-soft);
      margin-top: 2px;
      text-transform: uppercase;
      letter-spacing: 0.005em;
    }
    .copy-wrap {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      padding-top: 10px;
      border-top: 1px solid var(--line);
      margin-top: 10px;
    }
    .acc-hint {
      font-family: var(--mono);
      font-size: 14px;
      font-weight: 700;
      color: var(--brand);
      letter-spacing: 0.02em;
      word-break: break-all;
      flex: 1;
    }
    .copy-btn {
      flex-shrink: 0;
      padding: 6px 14px;
      background: var(--bg);
      border: 1px solid var(--line-3);
      border-radius: var(--radius-sm);
      color: var(--fg);
      font-size: 11.5px;
      font-weight: 600;
      cursor: pointer;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      transition: all var(--t) var(--ease);
      font-family: inherit;
    }
    .copy-btn:hover {
      background: var(--brand);
      color: var(--on-brand);
      border-color: var(--brand);
    }
    .acc-status {
      display: inline-block;
      padding: 3px 10px;
      border-radius: 4px;
      font-size: 10px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.04em;
      margin-bottom: 8px;
    }
    .acc-status.saturated {
      background: var(--danger);
      color: var(--on-brand);
    }

    /* ============================================================
       INPUTS / FORMS
       ============================================================ */
    .grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
    }
    .grid .full { grid-column: 1 / -1; }

    .input-wrapper {
      position: relative;
    }
    .input-icon {
      position: absolute;
      top: 50%;
      left: 14px;
      transform: translateY(-50%);
      color: var(--fg-mute);
      font-size: 14px;
      pointer-events: none;
      z-index: 2;
    }
    .input-wrapper input,
    .input-wrapper select {
      width: 100%;
      padding: 12px 14px 12px 40px;
      background: var(--bg);
      border: 1.5px solid var(--line-2);
      border-radius: var(--radius-sm);
      font-size: 14px;
      font-family: inherit;
      color: var(--fg);
      transition: all var(--t) var(--ease);
    }
    .input-wrapper input::placeholder {
      color: var(--fg-mute);
      font-weight: 400;
    }
    .input-wrapper input:focus,
    .input-wrapper select:focus {
      outline: 0;
      border-color: var(--brand);
      box-shadow: var(--focus-ring);
    }
    .input-wrapper input:hover:not(:focus),
    .input-wrapper select:hover:not(:focus) {
      border-color: var(--line-3);
    }
    .field-hint {
      display: block;
      margin-top: 6px;
      font-size: 12px;
      color: var(--fg-mute);
      font-weight: 500;
    }

    /* Select2 override */
    .select2-container .select2-selection--single {
      height: 46px !important;
      padding: 0 14px 0 40px !important;
      background: var(--bg) !important;
      border: 1.5px solid var(--line-2) !important;
      border-radius: var(--radius-sm) !important;
    }
    .select2-container--default .select2-selection--single .select2-selection__rendered {
      line-height: 46px !important;
      color: var(--fg) !important;
      font-size: 14px !important;
      padding-left: 0 !important;
    }
    .select2-container--default .select2-selection--single .select2-selection__arrow {
      height: 46px !important;
      right: 8px;
    }
    .select2-container--default.select2-container--focus .select2-selection--single,
    .select2-container--default.select2-container--open .select2-selection--single {
      border-color: var(--brand) !important;
      box-shadow: var(--focus-ring) !important;
    }
    .select2-dropdown {
      border: 1.5px solid var(--line-2) !important;
      border-radius: var(--radius-sm) !important;
      box-shadow: var(--shadow-lg) !important;
    }
    .select2-results__option--highlighted[aria-selected] {
      background: var(--brand) !important;
      color: var(--on-brand) !important;
    }
    .select2-search--dropdown .select2-search__field {
      border: 1.5px solid var(--line-2) !important;
      border-radius: var(--radius-sm) !important;
      padding: 8px 12px !important;
    }

    /* ============================================================
       SELECT2 EN MODO OSCURO (Fase 6)
       El override de arriba ya usa variables para el cuadro cerrado, pero
       .select2-dropdown / opciones / campo de búsqueda NO fijan background ni
       color, así que heredaban el blanco del CSS del CDN → ilegibles en oscuro.
       Estas reglas SOLO aplican en [data-theme="dark"] (ancestro = <html>, así
       cubren el dropdown aunque Select2 lo monte al final del <body>).
       En modo claro NO se toca nada (no hay reglas claras nuevas).
       ============================================================ */
    /* Cuadro cerrado (selección) */
    [data-theme="dark"] .select2-container--default .select2-selection--single {
      background: var(--bg) !important;
      border-color: var(--line-2) !important;
    }
    [data-theme="dark"] .select2-container--default .select2-selection--single .select2-selection__rendered {
      color: var(--fg) !important;
    }
    [data-theme="dark"] .select2-container--default .select2-selection--single .select2-selection__placeholder {
      color: var(--fg-mute) !important;
    }
    /* Flecha (caret) del cuadro cerrado */
    [data-theme="dark"] .select2-container--default .select2-selection--single .select2-selection__arrow b {
      border-color: var(--fg-mute) transparent transparent transparent !important;
    }
    [data-theme="dark"] .select2-container--default.select2-container--open .select2-selection--single .select2-selection__arrow b {
      border-color: transparent transparent var(--fg-mute) transparent !important;
    }
    /* Panel desplegable */
    [data-theme="dark"] .select2-dropdown {
      background: var(--bg) !important;
      border-color: var(--line-2) !important;
    }
    /* Campo de búsqueda dentro del dropdown */
    [data-theme="dark"] .select2-search--dropdown .select2-search__field {
      background: var(--bg-soft) !important;
      color: var(--fg) !important;
      border-color: var(--line-2) !important;
    }
    /* Opciones de la lista */
    [data-theme="dark"] .select2-results__option {
      background: transparent !important;
      color: var(--fg) !important;
    }
    /* Opción ya seleccionada */
    [data-theme="dark"] .select2-results__option[aria-selected="true"] {
      background: var(--brand-soft) !important;
      color: var(--fg) !important;
    }
    /* Opción resaltada (hover / teclado) — usa --brand igual que en claro */
    [data-theme="dark"] .select2-results__option--highlighted[aria-selected] {
      background: var(--brand) !important;
      color: var(--on-brand) !important;
    }
    /* Scrollbar del dropdown */
    [data-theme="dark"] .select2-results__options::-webkit-scrollbar { width: 8px; }
    [data-theme="dark"] .select2-results__options::-webkit-scrollbar-track { background: var(--bg); }
    [data-theme="dark"] .select2-results__options::-webkit-scrollbar-thumb {
      background: var(--line-3); border-radius: 10px;
    }
    [data-theme="dark"] .select2-results__options::-webkit-scrollbar-thumb:hover { background: var(--fg-mute); }

    /* ============================================================
       FILE UPLOAD
       ============================================================ */
    .file-upload {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px;
      padding: 14px;
      background: var(--bg-soft);
      border: 1.5px dashed var(--line-3);
      border-radius: var(--radius-sm);
      transition: all var(--t) var(--ease);
    }
    .file-upload:hover {
      border-color: var(--brand);
      background: var(--brand-soft);
    }
    .file-upload input[type="file"] {
      position: absolute;
      width: 1px;
      height: 1px;
      opacity: 0;
      pointer-events: none;
    }
    .file-trigger {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 9px 16px;
      background: var(--brand);
      color: var(--on-brand);
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 13px;
      cursor: pointer;
      transition: all var(--t) var(--ease);
    }
    .file-trigger:hover {
      background: var(--brand-hover);
    }
    .file-name {
      font-size: 13px;
      color: var(--fg-soft);
      flex: 1;
      min-width: 0;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    /* ============================================================
       BOTÓN SUBMIT
       ============================================================ */
    .actions {
      margin-top: 24px;
      text-align: center;
    }
    input[type="submit"] {
      display: inline-block;
      padding: 14px 28px;
      background: var(--brand);
      color: var(--on-brand);
      border: 0;
      border-radius: var(--radius);
      font-size: 15px;
      font-weight: 700;
      letter-spacing: 0.02em;
      cursor: pointer;
      box-shadow: var(--shadow-brand);
      transition: all var(--t) var(--ease);
      font-family: inherit;
      width: 100%;
      max-width: 480px;
    }
    input[type="submit"]:hover:not(:disabled) {
      background: var(--brand-hover);
      transform: translateY(-1px);
      box-shadow: var(--shadow-brand-lg);
    }
    input[type="submit"]:disabled {
      opacity: 0.7;
      cursor: not-allowed;
    }

    .binance-submit {
      background: linear-gradient(135deg, var(--binance), var(--binance-deep)) !important;
      color: var(--binance-ink) !important;
      box-shadow: var(--shadow-binance) !important;
    }
    .binance-submit:hover:not(:disabled) {
      box-shadow: var(--shadow-binance-lg) !important;
    }

    /* ============================================================
       BINANCE BOX
       ============================================================ */
    .binance-box {
      background: linear-gradient(135deg, var(--select-soft), var(--bg));
      border: 1px solid var(--gold);
      border-radius: var(--radius);
      padding: 22px;
      margin-bottom: 18px;
    }
    .binance-head {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 14px;
    }
    .binance-title {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 16px;
      font-weight: 700;
      color: var(--fg);
    }
    .binance-title i { color: var(--gold); font-size: 22px; }
    .tag-nuevo {
      background: var(--brand-2);
      color: var(--on-brand);
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 10px;
      font-weight: 700;
      letter-spacing: 0.04em;
    }
    .brand-icons {
      display: flex;
      gap: 12px;
      font-size: 22px;
    }
    .brand-icons i:first-child { color: var(--gold); }
    .brand-icons i:last-child { color: var(--brand); }
    .binance-pill {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
      margin-bottom: 14px;
    }
    .pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 12px;
      background: var(--bg);
      border: 1px solid var(--line-2);
      border-radius: 999px;
      font-size: 12px;
      color: var(--fg-soft);
    }
    .pill b { color: var(--fg); font-weight: 700; }
    .mono { font-family: var(--mono); font-weight: 700; }
    .binance-text {
      font-size: 13.5px;
      color: var(--fg-soft);
      line-height: 1.6;
      margin-bottom: 10px;
    }
    .binance-text b { color: var(--fg); }
    .binance-note {
      background: var(--bg);
      border: 1px solid var(--line-2);
      border-radius: var(--radius-sm);
      padding: 10px 12px;
      font-size: 12.5px;
      color: var(--fg-soft);
      margin-bottom: 12px;
    }
    .binance-note b { color: var(--fg); }
    .binance-actions {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 10px;
    }
    .btn-copy {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 9px 14px;
      background: var(--gold);
      color: var(--on-brand);
      border: 0;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 13px;
      cursor: pointer;
      transition: all var(--t) var(--ease);
      font-family: inherit;
    }
    .btn-copy:hover { background: var(--gold-deep); }
    .copy-hint {
      font-size: 12px;
      color: var(--fg-soft);
    }

    /* ============================================================
       TOAST
       ============================================================ */
    .toast {
      position: fixed;
      top: 80px;
      left: 50%;
      transform: translateX(-50%);
      max-width: 460px;
      width: calc(100vw - 40px);
      background: var(--bg);
      border: 1.5px solid var(--line-3);
      border-radius: var(--radius);
      box-shadow: var(--shadow-lg);
      padding: 0;
      z-index: 200;
      overflow: hidden;
    }
    .toast.toast-success-bg {
      background: var(--bg);
      border-color: var(--success-deep);
      border-width: 2px;
    }
    .toast.toast-error-bg {
      background: var(--bg);
      border-color: var(--danger-hover);
      border-width: 2px;
    }
    /* Header del ticket con barra de color */
    .toast-head {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 14px 16px 12px;
      border-bottom: 1px dashed var(--line-2);
      background: var(--bg-soft);
    }
    .toast.toast-success-bg .toast-head {
      background: linear-gradient(135deg, var(--success) 0%, var(--success-deep) 100%);
      border-bottom: 2px solid var(--success-ink);
    }
    .toast.toast-error-bg .toast-head {
      background: linear-gradient(135deg, var(--danger) 0%, var(--danger-hover) 100%);
      border-bottom: 2px solid var(--danger-deep);
    }
    .toast.toast-success-bg .toast-head .toast-title,
    .toast.toast-error-bg  .toast-head .toast-title { color: var(--on-brand); }
    .toast-row {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 14px 16px;
    }
    .toast-ico { font-size: 26px; line-height: 1; flex-shrink: 0; }
    .toast-title {
      font-weight: 800;
      font-size: 15px;
      color: var(--fg);
      letter-spacing: -0.005em;
    }
    .toast-msg {
      font-size: 13px;
      color: var(--fg-soft);
      line-height: 1.5;
      margin: 6px 0 0;
    }
    .toast-msg b { color: var(--fg); }
    .toast-suggestion {
      margin-top: 10px;
      padding: 10px 12px;
      background: var(--bg-soft);
      border-radius: var(--radius-sm);
      border: 1px solid var(--line-2);
      font-size: 12.5px;
      color: var(--fg-soft);
      line-height: 1.5;
    }
    /* Fase 7 · cada causa común en su línea, dentro de la sugerencia */
    .toast-cause {
      margin-top: 8px;
      padding-left: 4px;
      color: var(--fg-soft);
    }
    .toast-cause b { color: var(--fg); }

    /* Detalles tipo ticket */
    .toast-ticket {
      padding: 0 16px 14px;
    }
    .toast-ticket-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      padding: 8px 0;
      font-size: 12.5px;
      border-bottom: 1px dashed var(--line-2);
    }
    .toast-ticket-row:last-child { border-bottom: 0; }
    .toast-ticket-label {
      color: var(--fg-mute);
      font-size: 11.5px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.04em;
      flex-shrink: 0;
    }
    .toast-ticket-value {
      color: var(--fg);
      font-weight: 600;
      text-align: right;
      word-break: break-all;
    }
    .toast-ticket-value.mono {
      font-family: var(--mono);
      color: var(--brand);
      font-weight: 700;
    }
    .toast-ticket-amount {
      display: flex;
      align-items: baseline;
      justify-content: center;
      gap: 6px;
      padding: 12px 0;
      border-top: 2px dashed var(--line-3);
      border-bottom: 2px dashed var(--line-3);
      margin: 4px 0;
    }
    .toast-ticket-amount .currency { font-size: 12px; color: var(--fg-mute); font-weight: 700; }
    .toast-ticket-amount .number {
      font-family: var(--mono);
      font-size: 24px;
      font-weight: 800;
      color: var(--fg);
      letter-spacing: -0.01em;
    }
    .toast.toast-success-bg .toast-ticket-amount .number { color: var(--brand-2); }
    .toast.toast-error-bg .toast-ticket-amount .number { color: var(--danger); }

    .toast-actions {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      padding: 0 16px 14px;
    }
    .toast-btn {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 14px;
      background: var(--brand);
      color: var(--on-brand);
      border: 0;
      border-radius: var(--radius-sm);
      font-size: 12.5px;
      font-weight: 600;
      cursor: pointer;
      font-family: inherit;
      transition: all var(--t) var(--ease);
      text-decoration: none;
    }
    .toast-btn:hover { background: var(--brand-hover); }
    .toast-btn.secondary {
      background: var(--bg);
      color: var(--fg);
      border: 1px solid var(--line-2);
    }
    .toast-btn.secondary:hover {
      background: var(--bg-soft);
    }

    /* ============================================================
       FASE 7 · Reintento de pago + aviso de readjuntar imagen
       Usa las variables de tema → ok en claro y oscuro.
       ============================================================ */
    .toast-retry {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
      padding: 0 16px 12px;
    }
    .toast-retry .toast-btn:disabled {
      opacity: 0.55;
      cursor: not-allowed;
    }
    .toast-retry-hint {
      flex-basis: 100%;
      font-size: 11.5px;
      color: var(--fg-mute);
      line-height: 1.4;
    }
    /* Aviso de readjuntar el comprobante tras un reintento */
    .reattach-note {
      display: flex;
      align-items: flex-start;
      gap: 8px;
      margin-bottom: 10px;
      padding: 10px 12px;
      background: var(--warn-soft);
      border: 1px solid var(--warn-line);
      border-radius: var(--radius-sm);
      color: var(--fg-soft);
      font-size: 12.5px;
      line-height: 1.45;
    }
    .reattach-note i { color: var(--gold); margin-top: 2px; flex-shrink: 0; }
    .reattach-note strong { color: var(--fg); }

    /* Fase 7b · Aviso de ctx caducado (error sin datos para reintentar) */
    .toast-expired {
      display: flex;
      align-items: flex-start;
      gap: 8px;
      margin: 0 16px 14px;
      padding: 10px 12px;
      background: var(--warn-soft);
      border: 1px solid var(--warn-line);
      border-radius: var(--radius-sm);
      color: var(--fg-soft);
      font-size: 12.5px;
      line-height: 1.5;
    }
    .toast-expired i { color: var(--gold); margin-top: 2px; flex-shrink: 0; }
    .toast-expired strong { color: var(--fg); }

    /* ============================================================
       CHATBOT — Pantalla "En Mantenimiento" con tuercas SVG
       ============================================================ */
    .maintenance-card {
      max-width: 540px;
      margin: 0 auto;
      padding: 36px 28px 28px;
      background: var(--bg);
      border: 1px solid var(--line-2);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
      text-align: center;
    }
    .gears-wrap {
      position: relative;
      width: 110px;
      height: 80px;
      margin: 0 auto 22px;
    }
    .gear {
      position: absolute;
      width: 56px;
      height: 56px;
    }
    .gear-1 {
      top: 0;
      left: 8px;
      animation: gearSpin 3.2s linear infinite;
    }
    .gear-2 {
      bottom: 0;
      right: 8px;
      width: 44px;
      height: 44px;
      animation: gearSpin 2.4s linear infinite reverse;
    }
    @keyframes gearSpin {
      from { transform: rotate(0deg); }
      to   { transform: rotate(360deg); }
    }
    @media (prefers-reduced-motion: reduce) {
      .gear-1, .gear-2 { animation: none; }
    }
    .maint-tag {
      display: inline-block;
      padding: 5px 14px;
      background: var(--warn-soft);
      color: var(--warn);
      border: 1px solid var(--warn-line);
      border-radius: 999px;
      font-size: 11.5px;
      font-weight: 700;
      letter-spacing: 0.04em;
      margin-bottom: 14px;
    }
    .maint-title {
      font-size: 22px;
      font-weight: 800;
      color: var(--fg);
      letter-spacing: -0.015em;
      margin-bottom: 10px;
    }
    .maint-text {
      font-size: 14px;
      color: var(--fg-soft);
      line-height: 1.55;
      margin-bottom: 22px;
    }
    .maint-text b { color: var(--fg); font-weight: 700; }

    .maint-actions {
      display: flex;
      gap: 10px;
      justify-content: center;
      flex-wrap: wrap;
      margin-bottom: 22px;
    }
    .maint-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 12px 20px;
      border-radius: var(--radius-sm);
      border: 1.5px solid transparent;
      cursor: pointer;
      font-family: inherit;
      font-weight: 600;
      font-size: 13.5px;
      transition: all var(--t) var(--ease);
    }
    .maint-btn.primary {
      background: var(--brand);
      color: var(--on-brand);
      border-color: var(--brand);
      box-shadow: var(--shadow-brand);
    }
    .maint-btn.primary:hover {
      background: var(--brand-hover);
      border-color: var(--brand-hover);
      transform: translateY(-1px);
    }
    .maint-btn.binance {
      background: linear-gradient(135deg, var(--binance), var(--binance-deep));
      color: var(--binance-ink);
      border-color: var(--binance-deep);
      box-shadow: var(--shadow-binance-sm);
    }
    .maint-btn.binance:hover {
      box-shadow: var(--shadow-binance-md);
      transform: translateY(-1px);
    }
    .maint-btn i { font-size: 15px; }

    .maint-wa {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 14px 16px;
      background: var(--bg-soft);
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      text-align: left;
    }
    .maint-wa-title {
      font-size: 13px;
      font-weight: 700;
      color: var(--fg);
      margin-bottom: 2px;
    }
    .maint-wa-text {
      font-size: 12.5px;
      color: var(--fg-soft);
      line-height: 1.5;
    }
    .maint-wa-link {
      display: inline-block;
      color: var(--brand);
      font-weight: 700;
      font-family: var(--mono);
      margin-top: 2px;
    }
    .maint-wa-link:hover {
      text-decoration: underline;
    }

    @media (max-width: 720px) {
      .maintenance-card { padding: 28px 18px 20px; }
      .maint-title { font-size: 18px; }
      .maint-text { font-size: 13px; margin-bottom: 18px; }
      .maint-btn { width: 100%; justify-content: center; padding: 11px 16px; }
      .maint-actions { flex-direction: column; gap: 8px; }
      .gears-wrap { width: 96px; height: 72px; }
      .gear-1 { width: 50px; height: 50px; }
      .gear-2 { width: 38px; height: 38px; }
    }

    /* ============================================================
       STEP INDICATOR (Paso 1 → Paso 2)
       ============================================================ */
    .step-bar {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 0;
      max-width: 360px;
      margin: 0 auto 26px;
      padding: 4px 0;
    }
    .step-item {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }
    .step-circle {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--bg);
      border: 2px solid var(--line-3);
      display: grid;
      place-items: center;
      font-weight: 700;
      font-size: 14px;
      color: var(--fg-mute);
      transition: all 240ms var(--ease);
      position: relative;
    }
    .step-circle .step-check {
      display: none;
      color: var(--on-brand);
      font-size: 14px;
    }
    .step-item.active .step-circle {
      background: var(--brand);
      border-color: var(--brand);
      color: var(--on-brand);
      box-shadow: var(--focus-ring-wide);
      transform: scale(1.05);
    }
    .step-item.done .step-circle {
      background: var(--brand-2);
      border-color: var(--brand-2);
    }
    .step-item.done .step-circle .step-num-text { display: none; }
    .step-item.done .step-circle .step-check { display: inline; }
    .step-label {
      font-size: 13px;
      font-weight: 600;
      color: var(--fg-mute);
      transition: color 240ms var(--ease);
      white-space: nowrap;
    }
    .step-item.active .step-label,
    .step-item.done .step-label { color: var(--fg); }
    .step-connector {
      flex: 1 1 auto;
      height: 2px;
      min-width: 30px;
      max-width: 70px;
      background: var(--line-3);
      margin: 0 12px;
      transition: background 360ms var(--ease);
    }
    .step-connector.done { background: var(--brand-2); }

    /* ============================================================
       STEP CONTENT (paneles que cambian)
       ============================================================ */
    .step-content {
      animation: stepFadeIn 240ms var(--ease);
    }
    .step-content[hidden] { display: none !important; }
    @keyframes stepFadeIn {
      from { opacity: 0; transform: translateY(6px); }
      to   { opacity: 1; transform: translateY(0); }
    }

    /* Botones de navegación entre pasos */
    .step-nav {
      display: flex;
      gap: 10px;
      margin-top: 24px;
      align-items: center;
    }
    .step-nav.right { justify-content: flex-end; }
    .step-nav.between { justify-content: space-between; }

    .btn-step {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 12px 22px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 14px;
      cursor: pointer;
      font-family: inherit;
      border: 1.5px solid transparent;
      transition: all var(--t) var(--ease);
    }
    .btn-step.primary {
      background: var(--brand);
      color: var(--on-brand);
      border-color: var(--brand);
      box-shadow: var(--shadow-brand);
    }
    .btn-step.primary:hover:not(:disabled) {
      background: var(--brand-hover);
      border-color: var(--brand-hover);
      transform: translateY(-1px);
    }
    .btn-step.primary:disabled {
      opacity: 0.55;
      cursor: not-allowed;
      box-shadow: none;
    }
    .btn-step.ghost {
      background: var(--bg);
      color: var(--fg-soft);
      border-color: var(--line-2);
    }
    .btn-step.ghost:hover {
      background: var(--bg-soft);
      color: var(--fg);
      border-color: var(--line-3);
    }

    /* ============================================================
       SUMARIO de cuenta seleccionada (visible en paso 2)
       ============================================================ */
    .selected-summary {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 12px 14px;
      background: var(--brand-soft);
      border: 1px solid var(--brand-line);
      border-radius: var(--radius-sm);
      margin-bottom: 18px;
    }
    .selected-summary .ss-icon {
      width: 36px;
      height: 36px;
      border-radius: var(--radius-sm);
      background: var(--bg);
      border: 1px solid var(--brand-line);
      display: grid;
      place-items: center;
      flex-shrink: 0;
    }
    .selected-summary .ss-icon img { max-width: 24px; max-height: 24px; }
    .selected-summary .ss-info { flex: 1; min-width: 0; }
    .selected-summary .ss-bank {
      font-size: 13px;
      font-weight: 700;
      color: var(--fg);
      letter-spacing: -0.005em;
      margin-bottom: 2px;
    }
    .selected-summary .ss-acc {
      font-family: var(--mono);
      font-size: 12px;
      color: var(--brand);
      font-weight: 600;
      word-break: break-all;
    }

    /* ============================================================
       MODAL PROCESSING (overlay de pago en proceso)
       ============================================================ */
    .processing-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: var(--overlay);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      z-index: 99999;
      align-items: center;
      justify-content: center;
      padding: 20px;
      animation: ovFadeIn 220ms var(--ease);
    }
    .processing-overlay.show { display: flex; }
    @keyframes ovFadeIn {
      from { opacity: 0; }
      to   { opacity: 1; }
    }

    .processing-card {
      background: var(--bg);
      border-radius: var(--radius-xl);
      padding: 32px 28px 24px;
      max-width: 380px;
      width: 100%;
      text-align: center;
      box-shadow: var(--shadow-lg);
      animation: cardSlideIn 320ms var(--ease);
    }
    @keyframes cardSlideIn {
      from { opacity: 0; transform: translateY(12px) scale(0.96); }
      to   { opacity: 1; transform: translateY(0)    scale(1); }
    }

    .processing-spinner {
      position: relative;
      width: 72px;
      height: 72px;
      margin: 0 auto 20px;
    }
    .processing-spinner .ring {
      position: absolute;
      inset: 0;
      border-radius: 50%;
      border: 3px solid transparent;
      animation: spin 1.4s linear infinite;
    }
    .processing-spinner .ring.outer {
      border-top-color: var(--brand);
      border-right-color: var(--brand);
    }
    .processing-spinner .ring.inner {
      inset: 8px;
      border-top-color: var(--brand-2);
      border-left-color: var(--brand-2);
      animation: spin 1.0s linear infinite reverse;
    }
    @keyframes spin {
      from { transform: rotate(0deg); }
      to   { transform: rotate(360deg); }
    }

    .processing-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--fg);
      margin-bottom: 6px;
      letter-spacing: -0.01em;
    }
    .processing-step-text {
      font-size: 13px;
      color: var(--fg-soft);
      margin-bottom: 20px;
    }

    .processing-steps-list {
      text-align: left;
      background: var(--bg-soft);
      border-radius: var(--radius);
      padding: 14px;
    }
    .processing-step-row {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 6px 0;
      font-size: 13px;
      color: var(--fg-mute);
      transition: color 280ms var(--ease);
    }
    .processing-step-row + .processing-step-row {
      border-top: 1px solid var(--line);
      margin-top: 4px;
      padding-top: 10px;
    }
    .processing-step-row.active { color: var(--fg); font-weight: 600; }
    .processing-step-row.done { color: var(--brand-2); font-weight: 600; }

    .step-mini {
      width: 18px;
      height: 18px;
      border-radius: 50%;
      flex-shrink: 0;
      background: var(--bg);
      border: 2px solid var(--line-3);
      display: grid;
      place-items: center;
      transition: all 240ms var(--ease);
      position: relative;
    }
    .processing-step-row.active .step-mini {
      border-color: var(--brand);
      animation: pulseMini 1.2s ease-in-out infinite;
    }
    .processing-step-row.active .step-mini::after {
      content: '';
      width: 6px; height: 6px;
      border-radius: 50%;
      background: var(--brand);
      animation: blinkMini 0.9s ease-in-out infinite;
    }
    .processing-step-row.done .step-mini {
      background: var(--brand-2);
      border-color: var(--brand-2);
    }
    .processing-step-row.done .step-mini::after {
      content: '✓';
      color: var(--on-brand);
      font-size: 11px;
      font-weight: 800;
      line-height: 1;
    }
    @keyframes pulseMini {
      0%, 100% { box-shadow: 0 0 0 0 var(--pulse-ring); }
      50%      { box-shadow: 0 0 0 6px var(--pulse-ring-0); }
    }
    @keyframes blinkMini {
      0%, 100% { opacity: 1; }
      50%      { opacity: 0.35; }
    }

    /* ============================================================
       UTILIDADES Y VARIANTES (Fase 3) — sustituyen a los style=""
       inline que vivían en index.php. Mismos valores, con variables.
       Van antes de RESPONSIVE para que el modo móvil siga ganando.
       ============================================================ */
    .toast-flex { min-width: 0; flex: 1; }
    .tab-sub { font-size: 10px; opacity: 0.8; font-weight: 600; }
    .badge-start { align-self: flex-start; }
    .warning-row > p { margin: 0; }
    .kicker-success { color: var(--brand-2); font-weight: 900; }
    .btn-step-sm { padding: 8px 14px; font-size: 12.5px; }
    .field-label {
      color: var(--fg-soft);
      font-weight: 700;
      margin-bottom: 8px;
      display: inline-block;
    }
    .step-nav input[type="submit"] {
      width: auto;
      max-width: none;
      flex: 1;
      margin-left: 10px;
    }
    #form-binance { margin-top: 14px; }
    .mt-10 { margin-top: 10px; }
    .pill-live {
      margin-left: auto;
      background: var(--success-faint);
      border-color: var(--success);
      color: var(--success-ink);
      box-shadow: var(--shadow-success-pill);
    }
    .ico-warn { color: var(--warn); }
    .ico-16 { font-size: 16px; }
    .ico-wa { color: var(--wa); font-size: 20px; }
    .pill b.rate-live { color: var(--success-ink); font-family: var(--mono); }
    .rate-brand { color: var(--brand); font-family: var(--mono); }
    .section-title-plain {
      background: transparent;
      padding: 0;
      border: none;
      margin-top: 10px;
    }
    .section-title-block {
      margin-top: 30px;
      background: transparent;
      padding: 0;
      border: none;
      display: block;
      width: 100%;
    }
    .field-note {
      opacity: 0.85;
      display: block;
      margin-top: 6px;
      font-weight: 600;
      color: var(--fg-soft);
      font-size: 13px;
    }
    .preview-box {
      background: var(--slate-faint);
      border: 2px dashed var(--slate-line);
      padding: 18px;
      border-radius: 16px;
      margin-top: 15px;
      text-align: center;
      transition: all 0.3s ease;
    }
    .preview-note { font-size: 13px; color: var(--fg-soft); margin-bottom: 8px; font-weight: 600; }
    .preview-total { font-size: 16px; color: var(--ink-deep); font-weight: 800; }
    .preview-amount { color: var(--brand-2); font-size: 28px; font-weight: 900; letter-spacing: -0.5px; }
    .preview-curr { color: var(--brand-2); font-weight: 800; font-size: 16px; }
    .note-center { margin-top: 10px; text-align: center; }

    /* Fills de los SVG de mantenimiento (antes atributos fill="" en el HTML) */
    .gear-1 path, .gear-1 circle:nth-of-type(2) { fill: var(--brand); }
    .gear-2 path, .gear-2 circle:nth-of-type(2) { fill: var(--brand-2); }
    .gear circle:nth-of-type(1) { fill: var(--bg); }

    /* ============================================================
       GUÍA "A PRUEBA DE TONTOS" (Fase 4) — manita indicativa.
       pointer-events:none en todo el bloque: nunca bloquea clics ni
       tapa los botones. Usa variables de tema → ok en claro y oscuro.
       ============================================================ */
    .account-guide {
      display: flex;
      align-items: center;
      gap: 10px;
      margin: 0 0 14px;
      padding: 10px 14px;
      background: var(--brand-soft);
      border: 1px solid var(--brand-line);
      border-radius: var(--radius-sm);
      color: var(--brand);
      font-weight: 600;
      font-size: 13.5px;
      pointer-events: none;          /* puramente indicativa */
      opacity: 0;
      transform: translateY(-6px);
      transition: opacity var(--t) var(--ease), transform var(--t) var(--ease);
    }
    .account-guide.show { opacity: 1; transform: translateY(0); }
    /* Fase 5: icono sobrio (flecha) en vez del emoji de mano grande. */
    .account-guide-ico {
      font-size: 15px;
      line-height: 1;
      flex-shrink: 0;
      animation: guideTap 1.4s var(--ease) infinite;
    }
    @keyframes guideTap {
      0%, 100% { transform: translateY(0); }
      30%      { transform: translateY(4px); }
      60%      { transform: translateY(0); }
    }
    /* Pulso del borde de las cuentas si pulsan "Continuar" sin elegir (refuerzo C.5) */
    .account.account-pulse {
      animation: accountPulse 0.9s var(--ease) 2;
    }
    @keyframes accountPulse {
      0%, 100% { box-shadow: 0 0 0 0 var(--pulse-ring-0); }
      50%      { box-shadow: 0 0 0 4px var(--pulse-ring); }
    }
    @media (prefers-reduced-motion: reduce) {
      .account-guide-ico, .account.account-pulse { animation: none; }
    }
    /* Fase 5 · Subtítulo serio del Paso 1 */
    .step1-hint {
      margin: 0 0 14px;
      font-size: 13px;
      line-height: 1.5;
      color: var(--fg-soft);
    }
    .step1-hint strong { color: var(--fg); font-weight: 700; }
    /* Fase 5 · Estado "inactivo" del botón Continuar: aspecto deshabilitado
       (igual que .btn-step.primary:disabled) pero SIGUE clicable para dar
       feedback. No usamos el atributo disabled nativo justamente por eso. */
    .btn-step.primary.is-inactive {
      opacity: 0.55;
      box-shadow: none;
    }
    .btn-step.primary.is-inactive:hover {
      background: var(--brand);     /* anula el lift del hover normal */
      border-color: var(--brand);
      transform: none;
    }

    /* ============================================================
       RESPONSIVE
       ============================================================ */
    @media (max-width: 720px) {
      header { padding: 10px 14px; }
      .brand img { height: 32px; }
      .home-btn { padding: 6px 10px; font-size: 12px; }
      .tabs-wrap { padding: 0 12px; margin-top: 14px; }
      .tab-btn { padding: 9px 10px; font-size: 12.5px; }
      .tab-btn span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
      .tab-panels { padding: 18px 12px 60px; }
      .notice { padding: 14px; }
      .bank-section { padding: 14px; }
      .bank-section h3 { font-size: 16px; }
      .bank-section-note { text-align: left; max-width: none; }
      .accounts-grid { grid-template-columns: 1fr; }
      .grid { grid-template-columns: 1fr; gap: 12px; }
      .input-wrapper input,
      .input-wrapper select { padding: 11px 12px 11px 38px; font-size: 14px; }
      .toast { right: 12px; left: 12px; width: auto; max-width: none; top: 70px; transform: none; }
      input[type="submit"] { font-size: 14px; padding: 13px 20px; }
      .acc-hint { font-size: 13px; }
      .copy-btn { padding: 5px 10px; font-size: 11px; }
      .acc-title { font-size: 13.5px; }
      .acc-holder { font-size: 11.5px; }

      /* Step indicator más compacto */
      .step-bar { max-width: 280px; margin-bottom: 18px; }
      .step-circle { width: 30px; height: 30px; font-size: 12px; }
      .step-label { font-size: 12px; }
      .step-connector { min-width: 20px; max-width: 50px; margin: 0 8px; }

      /* Step nav: botones full width en mobile */
      .step-nav { flex-direction: column-reverse; gap: 8px; }
      .step-nav .btn-step { width: 100%; justify-content: center; }

      /* Processing modal compacto */
      .processing-card { padding: 26px 20px 18px; }
      .processing-spinner { width: 60px; height: 60px; margin-bottom: 16px; }
      .processing-title { font-size: 16px; }
      .processing-step-text { font-size: 12px; margin-bottom: 16px; }
      .processing-step-row { font-size: 12.5px; }
    }

    @media (max-width: 480px) {
      .acc-header { gap: 10px; }
      .bank-logo { width: 38px; height: 38px; }
      .bank-logo img { max-width: 26px; max-height: 26px; }
      .copy-wrap { flex-direction: column; align-items: stretch; gap: 8px; }
      .copy-btn { width: 100%; }
    }

/* ============================================================
   BLOQUE 2: <style id="bnx-banner-style"> (banner Modo Intermitencia)
   Origen: index.php líneas 2182–2253 (versión previa a Fase 1)
   ============================================================ */
    /* ===== Banner Modo Intermitencia — namespace bnx, no toca CSS existente ===== */
    #bnxBanner.bnx-banner{margin:14px 0;border-radius:14px;overflow:hidden;
      border:1px solid var(--brand-line);box-shadow:var(--shadow-bnx);background:var(--bg);
      opacity:0;max-height:0;transition:opacity .3s ease,max-height .3s ease;}
    #bnxBanner.bnx-show{opacity:1;max-height:1200px;}
    .bnx-strip{display:flex;align-items:center;gap:10px;padding:9px 16px;color:var(--on-brand);
      background:linear-gradient(90deg,var(--brand-deep) 0%,var(--brand) 50%,var(--brand-bright) 100%);}
    .bnx-live{display:inline-flex;align-items:center;gap:6px;flex-shrink:0;position:relative;}
    .bnx-livedot{width:8px;height:8px;border-radius:50%;background:var(--danger);position:relative;}
    .bnx-livedot::after{content:'';position:absolute;inset:0;border-radius:50%;
      background:var(--danger);animation:bnxLivePing 1.5s ease-out infinite;}
    @keyframes bnxLivePing{0%{transform:scale(1);opacity:.6}100%{transform:scale(3);opacity:0}}
    .bnx-live-tx{font-size:10.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;}
    .bnx-strip-tx{flex:1;min-width:0;font-size:13px;font-weight:600;}
    .bnx-gears{position:relative;width:30px;height:26px;flex-shrink:0;}
    .bnx-gears svg{position:absolute;}
    .bnx-g1{width:22px;height:22px;right:0;top:2px;fill:var(--on-brand-dim);animation:bnxGearCW 8s linear infinite;}
    .bnx-g2{width:14px;height:14px;right:14px;top:0;fill:var(--amber-bright);animation:bnxGearCCW 5s linear infinite;}
    .bnx-g3{width:10px;height:10px;right:12px;top:13px;fill:var(--rose);animation:bnxGearCW 3.5s linear infinite;}
    .bnx-gears svg circle{fill:var(--on-brand);} /* antes atributo fill blanco en el SVG que genera el JS */
    @keyframes bnxGearCW{to{transform:rotate(360deg)}}
    @keyframes bnxGearCCW{to{transform:rotate(-360deg)}}
    .bnx-body{display:grid;grid-template-columns:1fr 1fr;gap:18px;padding:18px;}
    .bnx-col h3{margin:0 0 4px;font-size:16px;font-weight:800;color:var(--ink-deep);letter-spacing:-.02em;}
    .bnx-today{font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:700;
      color:var(--fg-mute-warm);text-transform:uppercase;letter-spacing:.04em;margin-bottom:8px;}
    .bnx-lead{margin:0 0 12px;font-size:13px;color:var(--slate-ink);line-height:1.55;}
    .bnx-step{display:flex;gap:10px;margin-bottom:10px;}
    .bnx-step-n{width:22px;height:22px;border-radius:50%;background:var(--brand-soft);color:var(--brand-hover);
      font-weight:800;font-size:12px;display:grid;place-items:center;flex-shrink:0;}
    .bnx-step-t{font-size:13px;font-weight:700;color:var(--ink-deep);}
    .bnx-step-s{font-size:11.5px;color:var(--fg-mute-warm);}
    .bnx-box-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:6px;}
    .bnx-box-title{display:flex;align-items:center;gap:6px;font-size:10.5px;font-weight:700;
      color:var(--fg-mute-warm);text-transform:uppercase;letter-spacing:.05em;}
    .bnx-copy{border:1px solid var(--line-2);background:var(--bg);color:var(--slate-ink);font-size:11px;
      font-weight:600;padding:3px 9px;border-radius:6px;cursor:pointer;}
    .bnx-copy.ok{color:var(--c-azteca);border-color:var(--c-azteca-line);background:var(--brand-2-soft);}
    .bnx-link{font-family:'JetBrains Mono',monospace;font-size:9.5px;color:var(--brand-bright);
      word-break:break-all;background:var(--bg-soft);border:1px solid var(--line-2);
      padding:8px 9px;border-radius:5px;margin-bottom:10px;}
    .bnx-wa{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;
      gap:8px;background:var(--wa);color:var(--on-brand);font-weight:800;font-size:14px;
      padding:12px 18px;border-radius:10px;text-decoration:none;
      box-shadow:var(--shadow-wa);transition:transform .15s ease,box-shadow .15s ease;}
    .bnx-wa:hover{transform:translateY(-1px);box-shadow:var(--shadow-wa-lg);}
    .bnx-wa::after{content:'';position:absolute;top:0;bottom:0;width:60%;
      background:linear-gradient(90deg,transparent 0%,var(--on-brand-glint) 50%,transparent 100%);
      transform:translateX(-180%);animation:bnxShimmer 3s ease-in-out infinite;}
    @keyframes bnxShimmer{0%{transform:translateX(-180%)}60%,100%{transform:translateX(220%)}}
    .bnx-wa-sub{margin:6px 0 0;text-align:center;font-size:10.5px;color:var(--fg-mute-warm);}
    .bnx-foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;
      padding:9px 20px;border-top:1px solid var(--line);background:var(--bg-soft);font-size:11px;}
    .bnx-foot-l{display:flex;align-items:center;gap:6px;}
    .bnx-foot-l b{color:var(--c-banamex);font-weight:800;}
    .bnx-foot-l .mono{font-family:'JetBrains Mono',monospace;color:var(--fg-mute-warm);}
    .bnx-foot-r{font-style:italic;color:var(--c-banamex);font-weight:500;}
    .bnx-mlink{display:none;}
    #bnxToast{position:fixed;top:16px;left:50%;transform:translateX(-50%) translateY(-12px);
      max-width:480px;width:calc(100% - 32px);background:var(--warm-bg);border:1px solid var(--warm-line);
      color:var(--warm-ink);padding:13px 18px;border-radius:10px;box-shadow:var(--shadow-bnx-toast);
      font-size:13px;font-weight:600;z-index:9999;opacity:0;
      transition:opacity .4s ease,transform .4s ease;text-align:center;}
    #bnxToast.bnx-show{opacity:1;transform:translateX(-50%) translateY(0);}
    @media (max-width:760px){
      .bnx-body{grid-template-columns:1fr;gap:12px;}
      .bnx-col h3{font-size:15px;} .bnx-lead{font-size:12px;}
      .bnx-link{font-size:9px;}
      .bnx-mlink summary{font-size:12px;color:var(--brand-bright);cursor:pointer;margin-bottom:8px;}
      .bnx-g1{width:18px;height:18px;} .bnx-g2{width:11px;height:11px;} .bnx-g3{display:none;}
    }
