/* ========================================
   R20 FITNESS - THEME SYSTEM
   Light (default) + Dark via [data-theme="dark"]
   Paleta corporativa extraida del logo R20:
     #022686 - navy cobalto (sidebar, headings)
     #0076b4 - azul medio (accent, buttons)
     Negro / blanco
   ======================================== */

:root,
[data-theme="light"] {
    --primary: #022686;
    --primary-light: #0a3aa3;
    --accent: #0076b4;
    --accent-hover: #005a8c;
    --accent-light: rgba(0, 118, 180, 0.12);

    --bg: #f3f4f8;
    --card: #ffffff;
    --text: #1e293b;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-on-accent: #ffffff;
    --border: #e2e8f0;

    /* Legacy var names remapeadas al azul de marca */
    --neon-green: #0076b4;
    --neon-cyan: #0a8fd1;
    --neon-yellow: #f59e0b;
    --neon-orange: #ef4444;
    --neon-pink: #8b5cf6;

    --neon-green-rgb: 0, 118, 180;
    --neon-cyan-rgb: 10, 143, 209;
    --neon-yellow-rgb: 245, 158, 11;
    --neon-orange-rgb: 239, 68, 68;
    --neon-pink-rgb: 139, 92, 246;

    --brand-blue: #0076b4;
    --brand-blue-light: #0a8fd1;
    --brand-blue-dark: #022686;
    --brand-navy: #022686;

    /* Semantica: success verde por convencion UX (checkmarks, OK) */
    --success: #16a34a;
    --success-light: rgba(22, 163, 74, 0.12);
    --warning: #f59e0b;
    --warning-light: rgba(245, 158, 11, 0.12);
    --danger: #ef4444;
    --danger-light: rgba(239, 68, 68, 0.12);
    --info: #0076b4;
    --info-light: rgba(0, 118, 180, 0.12);
    --purple: #8b5cf6;
    --purple-light: rgba(139, 92, 246, 0.12);

    --sidebar-w: 260px;
    --header-h: 64px;

    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 5rem;

    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    --radius: 12px;

    --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 4px 12px rgba(0,0,0,0.06);
    --shadow-lg: 0 4px 24px rgba(0,0,0,0.1);
    --shadow-xl: 0 10px 40px rgba(0,0,0,0.15);

    --transition-base: all 0.3s ease;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);

    --font-display: 'League Spartan', sans-serif;
    --font-body: 'Poppins', sans-serif;

    --bg-body: #f3f4f8;
    --bg-card: #ffffff;
    --bg-card-alt: #f9fafb;
    --bg-darker: #e5e7eb;
    --bg-darker-rgb: 229, 231, 235;
    --bg-dark: #f3f4f8;
    --bg-dark-rgb: 243, 244, 248;
    --border-color: #e2e8f0;
    --border-rgb: 226, 232, 240;
    --navy-700: #f9fafb;
    --text-secondary-rgb: 100, 116, 139;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --white: #ffffff;

    --sidebar-bg: #022686;
    --sidebar-border: #0a3aa3;
    --gradient-primary: linear-gradient(135deg, #022686, #0076b4);

    /* ===== Aliases / variables sin definir detectadas en auditoría 2026-05-13 =====
       Estas se referencian en cliente.css, entrenador.css, lms.css. Las mapeamos
       a las variables canónicas de la paleta para mantener consistencia. */
    --bg-main: var(--bg);
    --bg-primary: var(--card);
    --bg-secondary: var(--bg);
    --border-hover: var(--accent);
    --danger-lighter: var(--danger-light);
    --danger-rgb: 239, 68, 68;
    --text-light: var(--text-secondary);
    --text-muted-darker: var(--text-muted);
    --topbar-height: var(--header-h);
    --white-rgb: 255, 255, 255;
    /* LMS — heredan de la paleta principal */
    --lms-card-bg: var(--card);
    --lms-card-border: var(--border);
    --lms-card-hover: var(--accent-light);
    --lms-primary: var(--primary);
    --lms-success: var(--success);
    --lms-danger: var(--danger);
    /* Trainer-specific — alias de la paleta */
    --trainer-accent: var(--accent);
    --trainer-success: var(--success);
    --trainer-warning: var(--warning);
}

[data-theme="dark"] {
    --primary: #0a3aa3;
    --primary-light: #1a4dbf;
    --accent: #0a8fd1;
    --accent-hover: #0076b4;
    --bg: #0a1628;
    --card: #0f2040;
    --text: #f1f5f9;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border: #1a2d52;

    --neon-green: #0a8fd1;
    --neon-cyan: #38b3e6;
    --neon-yellow: #fbbf24;
    --neon-orange: #f87171;
    --neon-pink: #a78bfa;
    --neon-green-rgb: 10, 143, 209;
    --neon-cyan-rgb: 56, 179, 230;
    --neon-yellow-rgb: 251, 191, 36;
    --neon-orange-rgb: 248, 113, 113;
    --neon-pink-rgb: 167, 139, 250;

    --brand-blue: #0a8fd1;
    --brand-blue-light: #38b3e6;
    --brand-blue-dark: #022686;
    --brand-navy: #022686;

    --success: #34d399;
    --success-light: rgba(52, 211, 153, 0.15);
    --warning: #fbbf24;
    --warning-light: rgba(251, 191, 36, 0.15);
    --danger: #f87171;
    --danger-light: rgba(248, 113, 113, 0.15);
    --info: #0a8fd1;
    --info-light: rgba(10, 143, 209, 0.15);
    --purple: #a78bfa;
    --purple-light: rgba(167, 139, 250, 0.15);
    --accent-light: rgba(10, 143, 209, 0.15);

    --shadow: 0 1px 3px rgba(0,0,0,0.3), 0 4px 12px rgba(0,0,0,0.2);
    --shadow-lg: 0 4px 24px rgba(0,0,0,0.4);
    --shadow-xl: 0 10px 40px rgba(0,0,0,0.5);

    --bg-body: #0a1628;
    --bg-card: #0f2040;
    --bg-card-alt: #0b1a36;
    --bg-darker: #081124;
    --bg-darker-rgb: 8, 17, 36;
    --bg-dark: #0a1628;
    --bg-dark-rgb: 10, 22, 40;
    --border-color: #1a2d52;
    --border-rgb: 26, 45, 82;
    --navy-700: #0f2040;
    --text-secondary-rgb: 148, 163, 184;
    --gray-50: #0f2040;
    --gray-100: #0f2040;
    --gray-200: #1a2d52;
    --gray-300: #243a66;
    --gray-400: #3d5280;
    --gray-500: #5e7299;
    --gray-600: #94a3b8;
    --gray-700: #cbd5e1;
    --gray-800: #f1f5f9;
    --white: #0f2040;

    --sidebar-bg: #020d3a;
    --gradient-primary: linear-gradient(135deg, #022686, #0a8fd1);

    /* ===== Aliases dark — heredan de la paleta dark ===== */
    --bg-main: var(--bg);
    --bg-primary: var(--card);
    --bg-secondary: var(--bg);
    --border-hover: var(--accent);
    --danger-lighter: var(--danger-light);
    --danger-rgb: 239, 68, 68;
    --text-light: var(--text-secondary);
    --text-muted-darker: var(--text-muted);
    --topbar-height: var(--header-h);
    --white-rgb: 255, 255, 255;
    --lms-card-bg: var(--card);
    --lms-card-border: var(--border);
    --lms-card-hover: var(--accent-light);
    --lms-primary: var(--primary);
    --lms-success: var(--success);
    --lms-danger: var(--danger);
    --trainer-accent: var(--accent);
    --trainer-success: var(--success);
    --trainer-warning: var(--warning);
}

*, *::before, *::after {
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.15s ease, box-shadow 0.2s ease;
}
html.theme-loading *, html.theme-loading *::before, html.theme-loading *::after {
    transition: none !important;
}