/* ==========================================================================
   SHARK THEME SYSTEM v2 — Premium Design Tokens
   ---------------------------------------------------------------------------
   Capa 1: Primitive tokens   (paleta cruda, no usar directo en componentes)
   Capa 2: Semantic tokens    (--color-bg, --color-fg, --color-primary, etc.)
   Capa 3: Legacy aliases     (--bg-body → var(--color-bg), retrocompatibles)
   Capa 4: Dark mode overrides existentes (compatibles, no se rompe nada)

   Toggle: document.documentElement.dataset.theme = 'dark' | 'light'
   Persist: localStorage 'shark_theme' (ver theme-init.js)
   ========================================================================== */

/* ===== CAPA 2: SEMANTIC TOKENS — LIGHT (default) ===== */
:root,
:root[data-theme="light"] {
    /* ─── Color: superficies ─── */
    --color-bg:            #f8fafc;
    --color-bg-surface:    #ffffff;
    --color-bg-elevated:   #ffffff;
    --color-bg-subtle:     #eceff4;
    --color-bg-overlay:    rgba(13, 15, 20, 0.55);
    --color-bg-hover:      rgba(0, 0, 0, 0.04);
    --color-bg-active:     rgba(0, 0, 0, 0.08);

    /* ─── Color: texto ─── */
    --color-fg:            #1a1d24;
    --color-fg-muted:      #5a6072;
    --color-fg-subtle:     #8a90a3;
    --color-fg-onPrimary:  #ffffff;

    /* ─── Color: bordes ─── */
    --color-border:        #e2dfd8;
    --color-border-strong: #c9c6bf;
    --color-border-input:  #d4d1ca;

    /* ─── Color: marca y estados ─── */
    --color-primary:       #00a888;
    --color-primary-fg:    #ffffff;
    --color-primary-soft:  rgba(0, 168, 136, 0.10);
    --color-primary-ring:  rgba(0, 168, 136, 0.35);

    --color-accent-gold:   #b8860b;
    --color-accent-blue:   #2038a9;
    --color-accent-amber:  #f5a623;

    --color-success:       #1a7a50;
    --color-success-soft:  rgba(26, 122, 80, 0.10);
    --color-warning:       #d97706;
    --color-warning-soft:  rgba(217, 119, 6, 0.10);
    --color-danger:        #c0392b;
    --color-danger-soft:   rgba(192, 57, 43, 0.10);
    --color-info:          #2563eb;
    --color-info-soft:     rgba(37, 99, 235, 0.10);

    --color-focus-ring:    var(--color-primary-ring);

    /* ─── Spacing scale (8pt grid) ─── */
    --space-0: 0;
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 24px;
    --space-6: 32px;
    --space-7: 48px;
    --space-8: 64px;

    /* ─── Typography ─── */
    --font-display: 'Playfair Display', 'Georgia', serif;
    --font-body:    'DM Sans', 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-mono:    'JetBrains Mono', 'Consolas', 'Courier New', monospace;

    --text-xs:   12px;
    --text-sm:   13px;
    --text-md:   14px;
    --text-base: 15px;
    --text-lg:   17px;
    --text-xl:   20px;
    --text-2xl:  24px;
    --text-3xl:  32px;
    --text-display: 40px;

    --fw-300: 300;
    --fw-400: 400;
    --fw-500: 500;
    --fw-600: 600;
    --fw-700: 700;

    --lh-tight:   1.2;
    --lh-snug:    1.35;
    --lh-normal:  1.5;
    --lh-loose:   1.7;

    --letter-tight:  -0.01em;
    --letter-normal: 0;
    --letter-wide:   0.04em;

    /* ─── Radius ─── */
    --radius-sm:   4px;
    --radius-md:   8px;
    --radius-lg:   12px;
    --radius-xl:   16px;
    --radius-full: 9999px;

    /* ─── Shadow ─── */
    --shadow-xs: 0 1px 2px rgba(15, 18, 28, 0.04);
    --shadow-sm: 0 2px 8px rgba(15, 18, 28, 0.06);
    --shadow-md: 0 4px 16px rgba(15, 18, 28, 0.08);
    --shadow-lg: 0 12px 32px rgba(15, 18, 28, 0.10);
    --shadow-xl: 0 20px 48px rgba(15, 18, 28, 0.14);
    --shadow-glow-primary: 0 0 0 4px var(--color-primary-ring);

    /* ─── Motion ─── */
    --ease-standard: cubic-bezier(0.2, 0, 0, 1);
    --ease-emphasized: cubic-bezier(0.3, 0, 0, 1);
    --dur-fast:   120ms;
    --dur-base:   200ms;
    --dur-slow:   320ms;

    /* ─── Z-index ─── */
    --z-base:    1;
    --z-sticky:  100;
    --z-overlay: 900;
    --z-modal:   1000;
    --z-toast:   1100;
    --z-tooltip: 1200;

    /* ========================================================
       CAPA 3: LEGACY ALIASES (retrocompatibles con shark.css)
       Solo se mantienen las que SÍ consume código externo
       (dashboard.css, shark.css, abogados.html, etc.).
       Aliases sin consumidores fueron retirados.
       ======================================================== */
    --bg-body:         var(--color-bg);
    --bg-sidebar:      #333;
    --bg-card:         var(--color-bg-surface);
    --bg-section:      #faf9f6;
    --bg-input:        var(--color-bg-surface);
    --bg-hover:        var(--color-bg-hover);

    --text-primary:   var(--color-fg);
    --text-secondary: var(--color-fg-muted);
    --text-muted:     var(--color-fg-subtle);
    --text-label:     var(--color-fg);
    --text-on-sidebar: #ccc;

    --border-color: var(--color-border);
    --border-light: var(--color-border);
    --border-input: var(--color-border-input);

    --accent-green:  var(--color-success);
    --accent-gold:   var(--color-accent-gold);
    --accent-blue:   var(--color-accent-blue);
    --accent-orange: var(--color-accent-amber);

    --shadow-card:     var(--shadow-sm);
    --shadow-elevated: var(--shadow-md);
}

/* ===== CAPA 2: SEMANTIC TOKENS — DARK ===== */
:root[data-theme="dark"] {
    /* ─── Color: superficies ─── */
    --color-bg:            #0d0f14;
    --color-bg-surface:    #141720;
    --color-bg-elevated:   #1c2030;
    --color-bg-subtle:     #10131c;
    --color-bg-overlay:    rgba(0, 0, 0, 0.65);
    --color-bg-hover:      rgba(255, 255, 255, 0.05);
    --color-bg-active:     rgba(255, 255, 255, 0.09);

    /* ─── Color: texto ─── */
    --color-fg:            #e8eaf0;
    --color-fg-muted:      rgba(232, 234, 240, 0.65);
    --color-fg-subtle:     rgba(232, 234, 240, 0.40);
    --color-fg-onPrimary:  #0d0f14;

    /* ─── Color: bordes ─── */
    --color-border:        rgba(255, 255, 255, 0.07);
    --color-border-strong: rgba(255, 255, 255, 0.14);
    --color-border-input:  rgba(255, 255, 255, 0.10);

    /* ─── Color: marca y estados ─── */
    --color-primary:       #00c4a0;
    --color-primary-fg:    #0d0f14;
    --color-primary-soft:  rgba(0, 196, 160, 0.14);
    --color-primary-ring:  rgba(0, 196, 160, 0.40);

    --color-accent-gold:   #f1c40f;
    --color-accent-blue:   #4a9eff;
    --color-accent-amber:  #f5a623;

    --color-success:       #2ecc71;
    --color-success-soft:  rgba(46, 204, 113, 0.14);
    --color-warning:       #f5a623;
    --color-warning-soft:  rgba(245, 166, 35, 0.14);
    --color-danger:        #e05c5c;
    --color-danger-soft:   rgba(224, 92, 92, 0.14);
    --color-info:          #4a9eff;
    --color-info-soft:     rgba(74, 158, 255, 0.14);

    --color-focus-ring:    var(--color-primary-ring);

    /* ─── Shadow (más intensa en dark) ─── */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.40);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.45);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.50);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.55);
    --shadow-xl: 0 24px 56px rgba(0, 0, 0, 0.65);
    --shadow-glow-primary: 0 0 24px var(--color-primary-ring);

    /* ─── Legacy aliases (dark) ─── */
    --bg-body:         var(--color-bg);
    --bg-sidebar:      rgba(16, 18, 28, 0.78);
    --bg-card:         var(--color-bg-surface);
    --bg-section:      var(--color-bg-elevated);
    --bg-input:        rgba(20, 23, 38, 0.70);
    --bg-hover:        var(--color-bg-hover);

    --text-primary:    var(--color-fg);
    --text-secondary:  var(--color-fg-muted);
    --text-muted:      var(--color-fg-subtle);
    --text-label:      var(--color-fg);
    --text-on-sidebar: rgba(232, 234, 240, 0.55);

    --border-color: var(--color-border);
    --border-light: var(--color-border);
    --border-input: var(--color-border-input);

    --accent-green:  var(--color-success);
    --accent-gold:   var(--color-accent-gold);
    --accent-blue:   var(--color-accent-blue);
    --accent-orange: var(--color-accent-amber);
}

/* ==========================================================================
   CAPA 4: APLICACIÓN A COMPONENTES LEGACY (dark mode overrides)
   Estos selectores existían en la v1 y siguen siendo necesarios mientras
   shark.css/dashboard.css mantengan colores hardcodeados.
   ========================================================================== */

/* Body / Main background */
[data-theme="dark"] body,
[data-theme="dark"] .dashboard-container {
    background-color: var(--bg-body) !important;
    color: var(--text-primary) !important;
}

/* Sidebar */
[data-theme="dark"] .dashboard-sidebar {
    background-color: var(--bg-sidebar) !important;
    border-right-color: var(--border-color) !important;
}
[data-theme="dark"] .dashboard-sidebar .sidebar-nav a,
[data-theme="dark"] .dashboard-sidebar .sidebar-footer {
    color: var(--text-on-sidebar) !important;
}

/* Main Content Area */
[data-theme="dark"] .main-content-wrapper,
[data-theme="dark"] .main-content {
    background-color: var(--bg-body) !important;
}

/* Cards */
[data-theme="dark"] .card-modern,
[data-theme="dark"] .gadget-container,
[data-theme="dark"] .widget-card {
    background-color: var(--bg-card) !important;
    border-color: var(--border-color) !important;
    color: var(--text-primary) !important;
}

/* Tables */
[data-theme="dark"] table { color: var(--text-primary) !important; }
[data-theme="dark"] th,
[data-theme="dark"] thead {
    background-color: rgba(28, 32, 52, 0.65) !important;
    color: var(--text-secondary) !important;
}
[data-theme="dark"] td { border-color: var(--border-color) !important; }
[data-theme="dark"] tr:hover td { background-color: var(--bg-hover) !important; }

/* Inputs */
[data-theme="dark"] input[type="text"],
[data-theme="dark"] input[type="search"],
[data-theme="dark"] input[type="email"],
[data-theme="dark"] input[type="password"],
[data-theme="dark"] input[type="number"],
[data-theme="dark"] textarea,
[data-theme="dark"] select {
    background-color: var(--bg-input) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-input) !important;
}

/* Fieldsets & Legends */
[data-theme="dark"] fieldset {
    border-color: var(--border-color) !important;
    background-color: var(--bg-card) !important;
}
[data-theme="dark"] legend { color: var(--text-label) !important; }

/* Section Headers */
[data-theme="dark"] .intxtblue,
[data-theme="dark"] .titlegrayblue1 {
    background-color: var(--bg-section) !important;
    color: var(--text-primary) !important;
}

/* Labels */
[data-theme="dark"] label,
[data-theme="dark"] .inlink,
[data-theme="dark"] .notes {
    color: var(--text-secondary) !important;
}

/* Hoja Bond */
[data-theme="dark"] .hoja-bond {
    background-color: var(--color-bg-surface) !important;
    border-color: var(--border-color) !important;
}
[data-theme="dark"] .tab-content { background-color: rgba(8, 10, 20, 0.85) !important; }
[data-theme="dark"] .expediente-wrapper { background-color: var(--bg-body) !important; }

/* Sticky Header */
[data-theme="dark"] #stickyHeaderContainer { background-color: var(--bg-body) !important; }
/* FIX solapamiento z-index/sticky (dark): la barra de pestañas necesita fondo opaco
   para que el contenido de la ficha no la traspase al hacer scroll. */
[data-theme="dark"] #stickyHeaderContainer .nav-tabs {
    background-color: var(--bg-body) !important;
}
[data-theme="dark"] .expediente-header {
    background-color: var(--bg-card) !important;
    color: var(--text-primary) !important;
}
[data-theme="dark"] .header-input { color: var(--text-primary) !important; }

/* FIX dark mode ilegible: el número de expediente, el Id.Full y el nombre del cliente
   (datos clave de la cabecera) eran azul oscuro sobre fondo oscuro. Se fuerza texto claro.
   Los inputs y spans de la cabecera llevan color hardcodeado inline (#2c3e50 / #7f8c8d),
   por eso hace falta !important para ganar a los estilos en línea. */
[data-theme="dark"] #mod_txtCliente,
[data-theme="dark"] #mod_txtIdFull,
[data-theme="dark"] #mod_txtExpedienteAnno,
[data-theme="dark"] #mod_txtExpedienteNume {
    color: var(--text-primary) !important;
    -webkit-text-fill-color: var(--text-primary) !important; /* Safari: readonly inputs */
    background: transparent !important;
}
/* Etiquetas y separadores dentro de la cabecera del expediente */
[data-theme="dark"] .expediente-header span {
    color: var(--text-primary) !important;
}

/* Nav Tabs */
[data-theme="dark"] .nav-tab { color: var(--text-muted) !important; }
[data-theme="dark"] .nav-tab.active {
    color: var(--accent-orange) !important;
    border-bottom-color: var(--accent-orange) !important;
}

/* Timeline */
[data-theme="dark"] .timeline-content {
    background-color: var(--bg-card) !important;
    border-color: var(--border-color) !important;
}
[data-theme="dark"] .timeline-content::before {
    background: var(--bg-card) !important;
    border-color: var(--border-color) !important;
}
[data-theme="dark"] .timeline-title { color: var(--text-primary) !important; }
[data-theme="dark"] .timeline-details { color: var(--text-secondary) !important; }
/* FIX dark mode ilegible: el detalle de la bitácora (fecha/tipo/nro. de expediente)
   se renderiza con color en línea oscuro (#2c3e50 / #34495e / #7f8c8d / #333 / #555),
   quedando "gris sobre gris". Se fuerza texto claro sobre el fondo oscuro de la tarjeta. */
[data-theme="dark"] .timeline-content span {
    color: var(--text-primary) !important;
}
[data-theme="dark"] .timeline-content span[style*="7f8c8d"],
[data-theme="dark"] .timeline-content span[style*="12px"] {
    color: var(--text-secondary) !important; /* metadatos secundarios: gris claro legible */
}
/* Variante legacy en tabla (fila .fila-hover con celdas color:#333 / #555 en línea) */
[data-theme="dark"] tr.fila-hover td,
[data-theme="dark"] .fila-hover td {
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

/* Buttons (pill labels) */
[data-theme="dark"] .pill-label {
    background-color: var(--bg-input) !important;
    color: var(--text-secondary) !important;
    border-color: var(--border-input) !important;
}

/* Modal Overlays */
[data-theme="dark"] .modal-content,
[data-theme="dark"] .custom-modal {
    background-color: var(--bg-card) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

/* Scrollbar (Webkit) */
[data-theme="dark"] ::-webkit-scrollbar { background: var(--bg-body); }
[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

/* ===== THEME TOGGLE BUTTON ===== */
.theme-toggle-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 18px;
    padding: 6px;
    border-radius: var(--radius-md);
    transition: all var(--dur-base) var(--ease-standard);
    color: rgba(255, 255, 255, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
}
.theme-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 1);
}

/* ===================================================================
   DARK THEME — OVERRIDES PARA COMPONENTES DE dashboard.css
   =================================================================== */

[data-theme="dark"] .content-panel {
    background: var(--bg-body) !important;
    border-top-color: var(--border-color) !important;
    color: var(--text-primary) !important;
}

[data-theme="dark"] .welcome-card {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
    box-shadow: var(--shadow-card) !important;
}
[data-theme="dark"] .welcome-card h1,
[data-theme="dark"] .welcome-card h2,
[data-theme="dark"] .welcome-card h3 { color: var(--text-primary) !important; }

[data-theme="dark"] .stat-card {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
}
[data-theme="dark"] .stat-card h3 { color: var(--text-secondary) !important; }
[data-theme="dark"] .stat-value { color: var(--color-primary) !important; }
[data-theme="dark"] .stats-grid .stat-card { box-shadow: var(--shadow-card) !important; }

[data-theme="dark"] .module-content {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
}
[data-theme="dark"] .module-header { border-bottom-color: var(--border-color) !important; }
[data-theme="dark"] .module-title { color: var(--color-primary) !important; }

[data-theme="dark"] .tab {
    background: rgba(255, 255, 255, 0.07) !important;
    border-color: rgba(255, 255, 255, 0.12) !important;
    color: rgba(255, 255, 255, 0.85) !important;
}
[data-theme="dark"] .tab:hover { background: rgba(255, 255, 255, 0.13) !important; }
[data-theme="dark"] .tab.active {
    background: var(--bg-card) !important;
    border-color: rgba(255, 255, 255, 0.15) !important;
    color: var(--text-primary) !important;
    border-bottom-color: var(--bg-card) !important;
}

[data-theme="dark"] .content-panels { background: var(--bg-body) !important; }

[data-theme="dark"] .sidebar-fixed {
    background: var(--bg-sidebar) !important;
    border-right-color: var(--border-color) !important;
}
[data-theme="dark"] .sidebar-fixed .sidebar-header { border-bottom-color: var(--border-color) !important; }
[data-theme="dark"] .sidebar-fixed .nav-link:hover { background: rgba(255, 255, 255, 0.06) !important; }
[data-theme="dark"] .sidebar-fixed.collapsed .nav-submenu.floating-active {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
}

[data-theme="dark"] .topbar {
    background: var(--bg-sidebar) !important;
    border-bottom-color: var(--border-color) !important;
}

[data-theme="dark"] .user-dropdown {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
}
[data-theme="dark"] .user-dropdown-header {
    background: var(--bg-section) !important;
    border-bottom-color: var(--border-color) !important;
}
[data-theme="dark"] .user-dropdown-name { color: var(--text-primary) !important; }
[data-theme="dark"] .user-dropdown-role { color: var(--text-muted) !important; }
[data-theme="dark"] .user-dropdown-item { color: var(--text-secondary) !important; }
[data-theme="dark"] .user-dropdown-item:hover {
    background: var(--bg-hover) !important;
    color: var(--text-primary) !important;
}
[data-theme="dark"] .user-dropdown-divider { background: var(--border-color) !important; }

[data-theme="dark"] .notif-dropdown {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
}
[data-theme="dark"] .notif-dropdown-header {
    background: var(--bg-section) !important;
    border-bottom-color: var(--border-color) !important;
}
[data-theme="dark"] .notif-dropdown-header * { color: var(--text-primary) !important; }

[data-theme="dark"] .ad-kpi-card {
    background: var(--bg-card) !important;
    border-color: var(--border-color) !important;
    color: var(--text-primary) !important;
}

[data-theme="dark"] .form-panel,
[data-theme="dark"] .config-section,
[data-theme="dark"] .profile-container {
    background: var(--bg-card) !important;
    border-color: var(--border-color) !important;
    color: var(--text-primary) !important;
}