/* ═══════════════════════════════════════════════════════════════
   BASE-ADMIN.CSS
   Base global única del panel admin
   Reset + tokens + tipografía + utilidades + componentes base
   NO incluye layout específico de dashboard/sidebar/topbar
   ═══════════════════════════════════════════════════════════════ */


/* ===== TOKENS GLOBALES ===== */
:root {
    /* Marca */
    --primary: #e7a641;
    --primary-hover: #d48f2a;
    --primary-dark: #c47a2e;
    --primary-light: #f1ab43;

    --secondary: #2ecc71;
    --secondary-dark: #27ae60;

    --success: #10b981;
    --warning: #f59e0b;
    --danger: #dc3545;
    --info: #3b82f6;

    /* Grises */
    --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;
    --gray-900: #111827;

    /* Tema claro admin */
    --admin-bg: #f3f6fb;
    --admin-surface: #ffffff;
    --admin-surface-2: #f8fafc;
    --admin-surface-3: #eef2f7;
    --admin-border: rgba(17, 24, 39, 0.08);
    --admin-border-strong: rgba(17, 24, 39, 0.14);

    --admin-text: #374151;
    --admin-text-soft: #4b5563;
    --admin-text-muted: #6b7280;
    --admin-heading: #111827;

    --admin-overlay: rgba(15, 23, 42, 0.52);

    /* Tipografía */
    --font-primary: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-heading: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-mono: 'Fira Code', 'Roboto Mono', monospace;

    /* Escala compacta para admin */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;

    /* Espaciado */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;

    /* Bordes */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.25rem;
    --radius-full: 9999px;

    /* Sombras */
    --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.05);
    --shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.10);
    --shadow-lg: 0 18px 50px rgba(15, 23, 42, 0.16);

    /* Transiciones */
    --transition-fast: 0.18s ease;
    --transition-medium: 0.28s ease;
    --transition-slow: 0.4s ease;

    /* Controles */
    --input-height: 48px;
    --btn-height: 46px;
    --icon-btn-size: 40px;
    --focus-ring: 0 0 0 3px rgba(231, 166, 65, 0.18);
}


/* ===== TEMA OSCURO ===== */
[data-theme="dark"] {
    --admin-bg: #0f172a;
    --admin-surface: #111827;
    --admin-surface-2: #1f2937;
    --admin-surface-3: #0b1220;
    --admin-border: rgba(255, 255, 255, 0.08);
    --admin-border-strong: rgba(255, 255, 255, 0.14);

    --admin-text: #e5e7eb;
    --admin-text-soft: #cbd5e1;
    --admin-text-muted: #94a3b8;
    --admin-heading: #f9fafb;

    --admin-overlay: rgba(2, 6, 23, 0.72);

    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.24);
    --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.26);
    --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.34);
    --shadow-lg: 0 22px 56px rgba(0, 0, 0, 0.42);
}


/* ===== RESET ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    min-height: 100%;
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--admin-text);
    background: var(--admin-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

main {
    width: 100%;
}

img,
picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
    height: auto;
}

button,
input,
textarea,
select {
    font: inherit;
    color: inherit;
}

ul,
ol {
    list-style: none;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-medium), background-color var(--transition-medium), border-color var(--transition-medium), box-shadow var(--transition-medium), transform var(--transition-fast);
}


/* ===== TIPOGRAFÍA ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--admin-heading);
    line-height: 1.2;
    font-weight: 700;
    margin-bottom: var(--space-4);
}

h1 { font-size: var(--text-xl); }
h2 { font-size: var(--text-lg); }
h3 { font-size: var(--text-base); }
h4,
h5,
h6 { font-size: var(--text-sm); }

p {
    margin-bottom: var(--space-4);
    color: var(--admin-text);
}

small {
    font-size: var(--text-xs);
    color: var(--admin-text-muted);
}

strong {
    color: var(--admin-heading);
}

code,
pre,
kbd {
    font-family: var(--font-mono);
}


/* ===== ESTRUCTURA BÁSICA ===== */
.page-admin {
    min-height: 100vh;
    background: var(--admin-bg);
}

.container-admin {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding-inline: var(--space-6);
}

.section-admin {
    padding: var(--space-6);
}


/* ===== BOTONES ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    min-height: var(--btn-height);
    padding: 0 var(--space-5);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    text-align: center;
    font-size: var(--text-sm);
    font-weight: 700;
    line-height: 1;
    transition: color var(--transition-medium), background-color var(--transition-medium), border-color var(--transition-medium), box-shadow var(--transition-medium), transform var(--transition-fast);
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: var(--shadow-xs);
}

.btn-primary:hover {
    background: var(--primary-hover);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-secondary {
    background: var(--admin-surface);
    color: var(--admin-text);
    border-color: var(--admin-border);
}

.btn-secondary:hover {
    background: var(--admin-surface-2);
    border-color: var(--admin-border-strong);
    color: var(--admin-heading);
}

.btn-ghost {
    background: transparent;
    color: var(--admin-text-soft);
    border-color: transparent;
}

.btn-ghost:hover {
    background: var(--admin-surface-2);
    color: var(--admin-heading);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

.btn-danger:hover {
    filter: brightness(0.95);
    transform: translateY(-1px);
}

.btn-sm {
    min-height: 38px;
    padding: 0 var(--space-4);
    font-size: var(--text-xs);
}

.btn-lg {
    min-height: 52px;
    padding: 0 var(--space-6);
    font-size: var(--text-base);
}

.full-width {
    width: 100%;
}

.icon-btn {
    width: var(--icon-btn-size);
    height: var(--icon-btn-size);
    min-width: var(--icon-btn-size);
    padding: 0;
    border-radius: var(--radius-full);
}


/* ===== FORMULARIOS ===== */
.form-stack {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4);
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    min-width: 0;
}

.input-group label {
    margin: 0;
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--admin-heading);
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper i,
.input-wrapper .icon-left {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--admin-text-muted);
    pointer-events: none;
    transition: color var(--transition-fast);
}

.input-wrapper input,
.input-wrapper select,
.input-wrapper textarea,
.input-admin,
.select-admin,
.textarea-admin {
    width: 100%;
    border: 1px solid var(--admin-border);
    border-radius: var(--radius-md);
    background: var(--admin-surface);
    color: var(--admin-text);
    transition: border-color var(--transition-medium), box-shadow var(--transition-medium), background-color var(--transition-medium);
}

.input-wrapper input,
.input-wrapper select,
.input-admin,
.select-admin {
    min-height: var(--input-height);
    padding: 0 var(--space-4);
}

.input-wrapper textarea,
.textarea-admin {
    min-height: 120px;
    padding: var(--space-3) var(--space-4);
    resize: vertical;
}

.input-wrapper.with-icon input,
.input-wrapper.with-icon select,
.input-wrapper.with-icon textarea {
    padding-left: 42px;
}

.input-group.with-icon .input-wrapper input,
.input-group.with-icon .input-wrapper select,
.input-group.with-icon .input-wrapper textarea {
    padding-left: 42px;
}

.input-wrapper input::placeholder,
.input-wrapper textarea::placeholder,
.input-admin::placeholder,
.textarea-admin::placeholder {
    color: var(--admin-text-muted);
}

.input-wrapper input:hover,
.input-wrapper select:hover,
.input-wrapper textarea:hover,
.input-admin:hover,
.select-admin:hover,
.textarea-admin:hover {
    border-color: var(--admin-border-strong);
}

.input-wrapper input:focus,
.input-wrapper select:focus,
.input-wrapper textarea:focus,
.input-admin:focus,
.select-admin:focus,
.textarea-admin:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: var(--focus-ring);
}

.input-wrapper:focus-within i,
.input-wrapper:focus-within .icon-left {
    color: var(--primary);
}

.help-text {
    font-size: var(--text-xs);
    color: var(--admin-text-muted);
    margin: 0;
}

.error-text {
    font-size: var(--text-xs);
    color: var(--danger);
    font-weight: 600;
    margin: 0;
}


/* ===== CHECKBOX Y RADIO ===== */
.custom-checkbox,
.custom-radio {
    accent-color: var(--primary-dark);
}

.check-inline,
.radio-inline {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--admin-text-soft);
}


/* ===== TARJETAS ===== */
.card {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
    overflow: hidden;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--admin-border);
}

.card-body {
    padding: var(--space-6);
}

.card-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--admin-border);
    background: var(--admin-surface-2);
}

.card-title {
    margin: 0;
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--admin-heading);
}


/* ===== BADGES ===== */
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
    min-height: 24px;
    padding: 0 var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 700;
    line-height: 1;
    white-space: nowrap;
}

.badge-primary {
    background: rgba(231, 166, 65, 0.16);
    color: var(--primary-dark);
}

.badge-success {
    background: rgba(16, 185, 129, 0.14);
    color: var(--success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.16);
    color: #b45309;
}

.badge-danger {
    background: rgba(220, 53, 69, 0.14);
    color: var(--danger);
}

.badge-muted {
    background: var(--admin-surface-2);
    color: var(--admin-text-soft);
}


/* ===== ALERTAS ===== */
.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    font-size: var(--text-sm);
}

.alert-success {
    background: rgba(16, 185, 129, 0.12);
    color: var(--success);
    border-color: rgba(16, 185, 129, 0.18);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.14);
    color: #b45309;
    border-color: rgba(245, 158, 11, 0.2);
}

.alert-danger {
    background: rgba(220, 53, 69, 0.12);
    color: var(--danger);
    border-color: rgba(220, 53, 69, 0.2);
}

.alert-info {
    background: rgba(59, 130, 246, 0.12);
    color: var(--info);
    border-color: rgba(59, 130, 246, 0.2);
}


/* ===== TABLAS ===== */
.table-wrap {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.data-table {
    width: 100%;
    min-width: 720px;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--admin-border);
    font-size: var(--text-sm);
    vertical-align: middle;
}

.data-table th {
    background: var(--admin-surface-2);
    color: var(--admin-heading);
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.data-table td {
    color: var(--admin-text);
}

.data-table tr:hover td {
    background: var(--admin-surface-2);
}

.data-table .is-number {
    text-align: right;
    font-variant-numeric: tabular-nums;
}


/* ===== MODAL BASE ===== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}

.modal.is-open {
    display: flex;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: var(--admin-overlay);
}

.modal-content {
    position: relative;
    z-index: 2;
    width: min(100%, 640px);
    max-height: 90vh;
    overflow: hidden;
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.modal-header,
.modal-footer {
    padding: var(--space-5) var(--space-6);
}

.modal-header {
    border-bottom: 1px solid var(--admin-border);
}

.modal-footer {
    border-top: 1px solid var(--admin-border);
    background: var(--admin-surface-2);
}

.modal-body {
    padding: var(--space-6);
    max-height: calc(90vh - 140px);
    overflow-y: auto;
}


/* ===== DROPDOWN BASE ===== */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 220px;
    padding: var(--space-2);
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity var(--transition-medium), visibility var(--transition-medium), transform var(--transition-medium);
    z-index: 120;
}

.dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-link,
.dropdown-action {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    width: 100%;
    min-height: 40px;
    padding: 0 var(--space-3);
    border: 0;
    border-radius: var(--radius-sm);
    background: transparent;
    text-align: left;
    font-size: var(--text-sm);
    color: var(--admin-text);
    cursor: pointer;
}

.dropdown-link:hover,
.dropdown-action:hover {
    background: var(--admin-surface-2);
    color: var(--admin-heading);
}


/* ===== ESTADOS ===== */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.hidden {
    display: none !important;
}

.disabled,
[aria-disabled="true"] {
    opacity: 0.6;
    pointer-events: none;
}

.skeleton {
    border-radius: var(--radius-sm);
    background: linear-gradient(
        90deg,
        var(--admin-surface-2) 25%,
        color-mix(in srgb, var(--admin-surface-2) 70%, var(--admin-surface) 30%) 50%,
        var(--admin-surface-2) 75%
    );
    background-size: 200% 100%;
    animation: skeletonLoading 1.4s linear infinite;
}

@keyframes skeletonLoading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}


/* ===== ACCESIBILIDAD ===== */
:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}


/* ===== UTILIDADES MÍNIMAS ===== */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.w-full { width: 100%; }
.text-center { text-align: center; }
.text-left { text-align: left; }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }


/* ===== RESPONSIVE BASE ===== */
@media (max-width: 768px) {
    .container-admin,
    .section-admin {
        padding-inline: var(--space-4);
    }

    .section-admin {
        padding-block: var(--space-4);
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .card-header,
    .card-body,
    .card-footer,
    .modal-header,
    .modal-body,
    .modal-footer {
        padding-left: var(--space-4);
        padding-right: var(--space-4);
    }

    .data-table th,
    .data-table td {
        padding: var(--space-3);
    }
}

@media (max-width: 480px) {
    .btn,
    .btn-sm,
    .btn-lg {
        width: 100%;
    }

    .icon-btn {
        width: 38px;
        min-width: 38px;
        height: 38px;
    }

    .modal {
        padding: var(--space-3);
    }

    .modal-content {
        width: 100%;
    }

    .dropdown-menu {
        min-width: 200px;
    }
}


/* ===== REDUCIR MOVIMIENTO ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .btn:hover,
    .btn-danger:hover {
        transform: none !important;
    }
}