/**
 * ============================================================
 * EXCLUSIVO: CMS EMPRENDIMIENTOS - COLEGIO EXITUS
 * admin-ui.css - Interfaz SaaS de Clase Mundial
 * ============================================================
 */

:root {
    --admin-navy: #0A192F;
    --admin-navy-dark: #061120;
    --admin-navy-light: #132742;
    --admin-crimson: #C9002B;
    --admin-crimson-hover: #A50023;
    --admin-crimson-soft: rgba(201, 0, 43, 0.08);
    --admin-crimson-glow: rgba(201, 0, 43, 0.25);
    
    --admin-sidebar-width: 270px;
    --admin-sidebar-collapsed-width: 82px;
    --admin-topbar-height: 72px;

    --admin-bg: #F8F9FA;
    --admin-card-bg: #FFFFFF;
    --admin-border: #E2E8F0;
    --admin-text-main: #0F172A;
    --admin-text-muted: #64748B;
}

body.admin-body {
    background-color: var(--admin-bg);
    color: var(--admin-text-main);
    font-family: var(--font-body, 'Inter', sans-serif);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* ============================================================
 * Admin Layout Shell
 * ============================================================ */
.admin-shell {
    display: flex;
    min-height: 100vh;
    background-color: var(--admin-bg);
}

/* Sidebar Moderno */
.admin-sidebar {
    width: var(--admin-sidebar-width);
    background: linear-gradient(180deg, #0A192F 0%, #061120 100%);
    color: #FFFFFF;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 50;
    transition: width 0.35s cubic-bezier(0.16, 1, 0.3, 1), transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.15);
    border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.admin-sidebar.collapsed {
    width: var(--admin-sidebar-collapsed-width);
}

/* Brand Area */
.admin-sidebar-header {
    height: var(--admin-topbar-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.admin-sidebar.collapsed .admin-sidebar-header {
    justify-content: center;
    padding: 0;
}

.admin-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: #FFFFFF;
    overflow: hidden;
    white-space: nowrap;
}

.admin-brand-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, #C9002B 0%, #88001D 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(201, 0, 43, 0.4);
    font-weight: 800;
    font-size: 1.15rem;
}

.admin-brand-text {
    display: flex;
    flex-direction: column;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.admin-sidebar.collapsed .admin-brand-text {
    opacity: 0;
    pointer-events: none;
    width: 0;
    display: none;
}

.admin-brand-name {
    font-family: var(--font-heading, 'Outfit', sans-serif);
    font-weight: 700;
    font-size: 1.05rem;
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.admin-brand-sub {
    font-size: 0.7rem;
    color: #94A3B8;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
}

/* Navigation Links */
.admin-sidebar-nav {
    flex: 1;
    padding: 1.25rem 0.85rem;
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.nav-section-label {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #64748B;
    padding: 0.75rem 0.75rem 0.25rem 0.75rem;
    transition: opacity 0.2s;
}

.admin-sidebar.collapsed .nav-section-label {
    display: none;
}

.admin-nav-item {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.75rem 1rem;
    border-radius: 12px;
    color: #CBD5E1;
    font-weight: 500;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all 0.2s ease;
    position: relative;
    white-space: nowrap;
}

.admin-nav-item:hover {
    color: #FFFFFF;
    background: rgba(255, 255, 255, 0.06);
    transform: translateX(3px);
}

.admin-sidebar.collapsed .admin-nav-item:hover {
    transform: none;
}

.admin-nav-item.active {
    color: #FFFFFF;
    background: linear-gradient(135deg, rgba(201, 0, 43, 0.9) 0%, rgba(165, 0, 35, 0.9) 100%);
    font-weight: 600;
    box-shadow: 0 4px 18px rgba(201, 0, 43, 0.35);
}

.admin-nav-item.active::before {
    content: '';
    position: absolute;
    left: -0.85rem;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 24px;
    background: #FFFFFF;
    border-radius: 0 4px 4px 0;
}

.admin-nav-item i, .admin-nav-item svg {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.admin-sidebar.collapsed .admin-nav-item {
    justify-content: center;
    padding: 0.75rem 0;
}

.admin-sidebar.collapsed .admin-nav-item span {
    display: none;
}

/* Sidebar Footer */
.admin-sidebar-footer {
    padding: 1rem 0.85rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.admin-sidebar.collapsed .admin-sidebar-footer {
    padding: 1rem 0;
    display: flex;
    justify-content: center;
}

/* Main Content Wrapper */
.admin-main-wrap {
    flex: 1;
    margin-left: var(--admin-sidebar-width);
    transition: margin-left 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.admin-main-wrap.expanded {
    margin-left: var(--admin-sidebar-collapsed-width);
}

@media (max-width: 1024px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }
    .admin-sidebar.mobile-open {
        transform: translateX(0);
    }
    .admin-main-wrap {
        margin-left: 0 !important;
    }
}

/* ============================================================
 * Topbar / App Bar
 * ============================================================ */
.admin-topbar {
    height: var(--admin-topbar-height);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--admin-border);
    position: sticky;
    top: 0;
    z-index: 40;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
}

.topbar-toggle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: #F1F5F9;
    color: var(--admin-navy);
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.topbar-toggle-btn:hover {
    background: #E2E8F0;
    color: var(--admin-crimson);
}

.admin-search-box {
    position: relative;
    max-width: 380px;
    width: 100%;
}

.admin-search-input {
    width: 100%;
    height: 42px;
    background: #F1F5F9;
    border: 1px solid transparent;
    border-radius: 99px;
    padding: 0 1.25rem 0 2.6rem;
    font-size: 0.875rem;
    color: var(--admin-text-main);
    transition: all 0.2s ease;
}

.admin-search-input:focus {
    outline: none;
    background: #FFFFFF;
    border-color: rgba(201, 0, 43, 0.3);
    box-shadow: 0 0 0 3px rgba(201, 0, 43, 0.1);
}

.admin-search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--admin-text-muted);
    pointer-events: none;
}

/* User Profile Badge */
.user-profile-badge {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.35rem 0.6rem;
    border-radius: 99px;
    background: #F8FAFC;
    border: 1px solid var(--admin-border);
    cursor: pointer;
    transition: all 0.2s;
}

.user-profile-badge:hover {
    background: #F1F5F9;
}

.user-avatar-circle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--admin-navy), var(--admin-crimson));
    color: #FFFFFF;
    font-weight: 700;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(10, 25, 47, 0.2);
}

/* ============================================================
 * Floating Labels Formularios
 * ============================================================ */
.form-floating-custom {
    position: relative;
    margin-bottom: 1.25rem;
}

.form-floating-custom input,
.form-floating-custom textarea,
.form-floating-custom select {
    width: 100%;
    font-family: var(--font-body, 'Inter', sans-serif);
    font-size: 0.925rem;
    color: var(--admin-text-main);
    background: #FFFFFF;
    border: 1.5px solid #CBD5E1;
    border-radius: 12px;
    padding: 1.25rem 1rem 0.55rem 1rem;
    outline: none;
    transition: all 0.2s ease;
    line-height: 1.5;
}

.form-floating-custom textarea {
    padding-top: 1.4rem;
}

.form-floating-custom label {
    position: absolute;
    top: 0.95rem;
    left: 1rem;
    font-size: 0.875rem;
    color: #64748B;
    pointer-events: none;
    transform-origin: 0 0;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    background: transparent;
    padding: 0 4px;
}

.form-floating-custom input:focus,
.form-floating-custom textarea:focus,
.form-floating-custom select:focus {
    border-color: var(--admin-crimson);
    box-shadow: 0 0 0 3.5px rgba(201, 0, 43, 0.12);
}

.form-floating-custom input:focus ~ label,
.form-floating-custom input:not(:placeholder-shown) ~ label,
.form-floating-custom textarea:focus ~ label,
.form-floating-custom textarea:not(:placeholder-shown) ~ label,
.form-floating-custom select:focus ~ label,
.form-floating-custom select.has-value ~ label,
.form-floating-custom.active label {
    transform: translateY(-0.6rem) scale(0.78);
    color: var(--admin-crimson);
    font-weight: 600;
}

/* ============================================================
 * Drag & Drop Zone Estilizada
 * ============================================================ */
.drag-drop-zone {
    border: 2px dashed #CBD5E1;
    border-radius: 16px;
    padding: 2.25rem 1.5rem;
    text-align: center;
    background-color: #F8FAFC;
    cursor: pointer;
    transition: all 0.25s ease;
    position: relative;
    overflow: hidden;
}

.drag-drop-zone:hover,
.drag-drop-zone.dragover {
    border-color: var(--admin-crimson);
    background-color: rgba(201, 0, 43, 0.03);
    transform: scale(1.005);
}

.drag-drop-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(201, 0, 43, 0.08);
    color: var(--admin-crimson);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.85rem;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.drag-drop-zone:hover .drag-drop-icon {
    transform: translateY(-4px) scale(1.08);
}

.drag-drop-zone input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
    z-index: 10;
}

.preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 0.85rem;
    margin-top: 1rem;
}

.preview-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: 12px;
    overflow: hidden;
    border: 2px solid #E2E8F0;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    background: #000;
}

.preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.preview-remove-btn {
    position: absolute;
    top: 6px;
    right: 6px;
    background: rgba(0, 0, 0, 0.65);
    color: #FFFFFF;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 12px;
    transition: background 0.2s;
}

.preview-remove-btn:hover {
    background: var(--admin-crimson);
}

/* ============================================================
 * Tablas SaaS Ultra-Clean
 * ============================================================ */
.table-saas-container {
    background: #FFFFFF;
    border-radius: 16px;
    border: 1px solid var(--admin-border);
    box-shadow: 0 8px 30px rgba(10, 25, 47, 0.04);
    overflow: hidden;
}

.table-saas {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    text-align: left;
}

.table-saas th {
    background: #F8FAFC;
    color: #64748B;
    font-family: var(--font-heading, 'Outfit', sans-serif);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--admin-border);
}

.table-saas td {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid #F1F5F9;
    font-size: 0.885rem;
    color: var(--admin-text-main);
    vertical-align: middle;
}

.table-saas tbody tr {
    transition: all 0.2s ease;
}

.table-saas tbody tr:hover {
    background-color: #F8FAFC;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(10, 25, 47, 0.03);
}

.table-saas tbody tr:last-child td {
    border-bottom: none;
}

/* Badges de Estado SaaS */
.badge-status {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.75rem;
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-status.activo {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
    border: 1px solid rgba(16, 185, 129, 0.25);
}

.badge-status.activo .status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background-color: #10B981;
    box-shadow: 0 0 8px #10B981;
}

.badge-status.inactivo {
    background: rgba(148, 163, 184, 0.15);
    color: #475569;
    border: 1px solid rgba(148, 163, 184, 0.3);
}

.badge-status.inactivo .status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background-color: #94A3B8;
}

/* Metric Counter Cards */
.metric-card {
    background: #FFFFFF;
    border-radius: 18px;
    border: 1px solid var(--admin-border);
    padding: 1.5rem;
    box-shadow: 0 8px 24px rgba(10, 25, 47, 0.04);
    position: relative;
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.metric-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 36px rgba(10, 25, 47, 0.08);
}

.metric-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--admin-crimson-soft) 0%, transparent 70%);
    pointer-events: none;
}

/* SweetAlert2 Exitus Custom Overrides */
.swal2-popup.exitus-swal {
    border-radius: 20px !important;
    font-family: var(--font-body, 'Inter', sans-serif) !important;
    padding: 2rem !important;
    box-shadow: 0 25px 60px rgba(10, 25, 47, 0.25) !important;
}

.swal2-title.exitus-swal-title {
    font-family: var(--font-heading, 'Outfit', sans-serif) !important;
    color: var(--admin-navy) !important;
    font-weight: 700 !important;
}

.exitus-confirm-btn {
    background: linear-gradient(135deg, #C9002B, #A50023) !important;
    border-radius: 12px !important;
    box-shadow: 0 4px 15px rgba(201, 0, 43, 0.4) !important;
    font-weight: 600 !important;
    padding: 0.65rem 1.6rem !important;
}

.exitus-cancel-btn {
    background: #F1F5F9 !important;
    color: #475569 !important;
    border-radius: 12px !important;
    font-weight: 600 !important;
    padding: 0.65rem 1.6rem !important;
}