/* =====================================================
   YOGA DOMI - CSS Styles
   Modern, Clean & Elegant Design
   ===================================================== */

/* CSS Variables - YogaDomi Brand Colors */
:root {
    /* Primary palette - Warm taupe/brown from logo */
    --primary: #8B7B6B;
    --primary-dark: #6B5D4D;
    --primary-light: #B8A99A;
    --primary-gradient: linear-gradient(135deg, #8B7B6B 0%, #9A8B7A 100%);
    
    /* Accent - Cream/off-white from logo */
    --accent-cream: #F5F0E8;
    --accent-light: #FFFEF5;
    
    --secondary: #7A6F64;
    --success: #6B8E6B;
    --success-light: #E8F0E8;
    --warning: #C4A35A;
    --warning-light: #FDF6E3;
    --danger: #B87070;
    --danger-light: #F8EBEB;
    --info: #6B8B9A;
    --info-light: #E8F2F5;
    
    --bg-primary: #FAF8F5;
    --bg-secondary: #ffffff;
    --bg-dark: #3D3631;
    --bg-glass: rgba(255, 255, 255, 0.85);
    
    --text-primary: #3D3631;
    --text-secondary: #6B5D4D;
    --text-light: #9A8B7A;
    
    --border-color: #E8E2DA;
    --border-radius: 16px;
    --border-radius-sm: 10px;
    --border-radius-lg: 24px;
    --border-radius-xl: 32px;
    
    --shadow-sm: 0 1px 3px rgba(59, 54, 49, 0.04), 0 1px 2px rgba(59, 54, 49, 0.06);
    --shadow: 0 4px 6px -1px rgba(59, 54, 49, 0.08), 0 2px 4px -1px rgba(59, 54, 49, 0.04);
    --shadow-lg: 0 20px 25px -5px rgba(59, 54, 49, 0.1), 0 10px 10px -5px rgba(59, 54, 49, 0.04);
    --shadow-glow: 0 0 40px rgba(139, 123, 107, 0.2);
    
    --nav-height: 72px;
    --header-height: 64px;
    
    --transition-fast: 0.15s ease;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

/* Subtle background pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(139, 123, 107, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(154, 139, 122, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* Logo Images */
.logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
    display: block;
    border-radius: 8px;
}

.logo-img-sm {
    height: 36px;
    width: auto;
    object-fit: contain;
    display: block;
    border-radius: 6px;
}

.logo-img-auth {
    height: 80px;
    width: auto;
    object-fit: contain;
    display: block;
    margin: 0 auto;
    border-radius: 12px;
}

/* Auth Logo Image in cards */
.auth-logo-img {
    height: 100px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
    display: block;
    margin: 0 auto 16px;
    border-radius: 12px;
}

/* =====================================================
   AUTH PAGES
   ===================================================== */

/* Top bar visible on unauthenticated pages */
.auth-top {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
}
.auth-top .header-content { max-width: 1200px; margin: 0 auto; padding: 14px 24px; display:flex; align-items:center; justify-content:space-between; }
.auth-top .logo { color: white; text-shadow: 0 2px 10px rgba(0,0,0,0.1); }
.auth-top .btn { padding: 10px 20px; background: rgba(255,255,255,0.15); border: 1px solid rgba(255,255,255,0.2); color: white; backdrop-filter: blur(10px); }
.auth-top .btn:hover { background: rgba(255,255,255,0.25); color: white; }

.auth-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 100px 20px 40px;
    background: var(--primary-gradient);
    position: relative;
    overflow: hidden;
}

/* Decorative elements */
.auth-container::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    pointer-events: none;
}

.auth-container::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
    bottom: -100px;
    left: -100px;
    pointer-events: none;
}

/* Grid to show form + benefits */
.auth-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 32px;
    align-items: start;
    width: 100%;
    max-width: 960px;
    position: relative;
    z-index: 1;
}

/* =====================
   Switch custom styles (Admin - Suscripciones)
   Adds animation, green state, and compact placement
   ===================== */
.form-check.form-switch.switch-compact {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.form-check.form-switch .form-check-input {
    width: 44px;
    height: 26px;
    border-radius: 999px;
    background: #ddd;
    border: none;
    position: relative;
    transition: background var(--transition), box-shadow var(--transition);
}

.form-check.form-switch .form-check-input::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 2px 6px rgba(0,0,0,0.12);
    transition: transform var(--transition), box-shadow var(--transition);
}

.form-check.form-switch .form-check-input:checked {
    background: linear-gradient(90deg, #34D399 0%, #10B981 100%); /* green gradient */
    box-shadow: 0 6px 18px rgba(16,185,129,0.18), var(--shadow-glow);
}

.form-check.form-switch .form-check-input:checked::after {
    transform: translateX(18px);
}

/* Label styling - change color when ON */
.form-check.form-switch .form-check-input:checked + .switch-label {
    color: var(--success);
    font-weight: 700;
}

/* Compact spacing next to delete button */
.delete-with-switch {
    margin-right: 6px;
}

/* Keep delete + switch on one line; prevent wrapping */
.delete-switch-group {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: nowrap; /* NO ABAJO */
}

/* New prettier on/off track */
.switch-track {
    position: relative;
    display: inline-flex;
    align-items: center;
    width: 72px;
    height: 32px;
    border-radius: 999px;
    background: linear-gradient(90deg, #e6e6e6 0%, #d9d9d9 100%);
    padding: 3px;
    cursor: pointer;
    transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
    user-select: none;
}

.switch-track.on {
    background: linear-gradient(90deg, #4ade80 0%, #10b981 100%);
    box-shadow: 0 6px 18px rgba(16,185,129,0.18), var(--shadow-glow);
}

.switch-track .form-check-input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.switch-inner {
    display: inline-block;
    color: #fff;
    font-weight: 700;
    font-size: 0.8rem;
    margin-left: 10px;
    transition: color var(--transition);
}

.switch-track.on .switch-inner { color: #052e14; }

.switch-knob {
    position: absolute;
    right: 4px;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 3px 8px rgba(0,0,0,0.12);
    transform: translateX(0);
    transition: transform var(--transition), box-shadow var(--transition);
}

.switch-track.on .switch-knob {
    transform: translateX(-40px);
}

/* Ensure compact layout near delete and edit */
.switch-compact { margin: 0; }

@media (max-width: 520px) {
    /* At very small widths we still try to keep them inline, but allow shrink */
    .delete-switch-group { gap: 6px; }
    .switch-track { width: 64px; height: 28px; }
    .switch-knob { width: 22px; height: 22px; }
}



.signup-benefits {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.15);
    padding: 28px;
    border-radius: var(--border-radius-lg);
    color: white;
}
.signup-benefits h3 {
    color: white;
    margin-bottom: 16px;
    font-size: 1.2rem;
    font-weight: 600;
}
.signup-benefits ul { list-style:none; display:flex; flex-direction:column; gap:14px; margin-bottom:20px; }
.signup-benefits li { color: rgba(255,255,255,0.95); display: flex; align-items: center; gap: 10px; }
.signup-benefits i { color: rgba(255,255,255,0.9); font-size: 1rem; }
.signup-benefits .btn { width:100%; background: white; color: var(--primary); font-weight: 600; }
.signup-benefits .btn:hover { background: rgba(255,255,255,0.9); color: var(--primary-dark); }

@media (max-width: 860px) {
    .auth-grid { grid-template-columns: 1fr; max-width: 440px; }
    .signup-benefits { order: 2; }
}


.auth-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    width: 100%;
    max-width: 440px;
    padding: 48px 40px;
    position: relative;
    z-index: 1;
}

.auth-header {
    text-align: center;
    margin-bottom: 36px;
}

.auth-logo {
    font-size: 4.5rem;
    margin-bottom: 12px;
    display: block;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.1));
}

.auth-header h1 {
    font-size: 1.85rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.auth-header p {
    color: var(--text-secondary);
    margin-top: 8px;
    font-size: 0.95rem;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.auth-links {
    margin-top: 28px;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.auth-link {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.auth-link:hover {
    color: var(--primary);
    transform: translateX(2px);
}

.auth-link i {
    font-size: 0.85rem;
}

/* =====================================================
   APP LAYOUT WITH SIDEBAR
   ===================================================== */

:root {
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 0px;
}

.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 200;
    transition: transform var(--transition);
    box-shadow: var(--shadow-lg);
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-logo {
    font-size: 1.3rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}
.sidebar-logo a { color: inherit; text-decoration: none; display: inline-block; }

.logo.mobile-logo a { color: inherit; text-decoration: none; display:inline-block; }

.sidebar-close {
    display: none;
    background: none;
    border: none;
    font-size: 1.4rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.sidebar-close:hover {
    color: var(--danger);
    background: var(--danger-light);
}

.sidebar-user {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, rgba(139, 123, 107, 0.05) 0%, rgba(154, 139, 122, 0.05) 100%);
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
    position: relative;
}

a.sidebar-user:hover {
    background: linear-gradient(135deg, rgba(139, 123, 107, 0.1) 0%, rgba(154, 139, 122, 0.1) 100%);
}

.sidebar-user-edit {
    position: absolute;
    right: 16px;
    color: var(--text-light);
    opacity: 0;
    transition: var(--transition);
    font-size: 0.9rem;
}

a.sidebar-user:hover .sidebar-user-edit {
    opacity: 1;
    color: var(--primary);
}

.sidebar-user-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.sidebar-user-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    overflow: hidden;
}

.sidebar-user-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
}

.sidebar-nav .nav-item {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    margin-bottom: 4px;
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.sidebar-nav .nav-item i {
    font-size: 1.15rem;
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}

.sidebar-nav .nav-item:hover {
    background: rgba(139, 123, 107, 0.08);
    color: var(--primary);
    transform: translateX(4px);
}

.sidebar-nav .nav-item.active {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 12px rgba(139, 123, 107, 0.3);
}

.sidebar-nav .nav-item.active::before {
    display: none;
}

.sidebar-nav .nav-item.active i {
    color: white;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar-profile-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.sidebar-profile-link i {
    font-size: 1.1rem;
}

.sidebar-profile-link:hover {
    background: rgba(139, 123, 107, 0.08);
    color: var(--primary);
}

.sidebar-logout {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--border-radius-sm);
    color: var(--danger);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.sidebar-logout i {
    font-size: 1.1rem;
}

.sidebar-logout:hover {
    background: var(--danger-light);
    color: var(--danger);
}

/* Sidebar Overlay for mobile */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 150;
    opacity: 0;
    transition: opacity var(--transition);
}

.sidebar-overlay.active {
    opacity: 1;
}

/* Main Content Wrapper */
.main-wrapper {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: margin-left var(--transition);
}

.app-header {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    height: var(--header-height);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.4rem;
    color: var(--text-primary);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.menu-toggle:hover {
    background: rgba(139, 123, 107, 0.1);
    color: var(--primary);
}

.mobile-logo {
    display: none;
    font-size: 1.2rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn-icon {
    background: none;
    border: none;
    padding: 10px;
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    position: relative;
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background: rgba(139, 123, 107, 0.1);
    color: var(--primary);
}

.btn-icon i {
    font-size: 1.2rem;
}

.notif-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    background: var(--danger);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

.logo {
    font-size: 1.3rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.app-main {
    flex: 1;
    padding: 28px 32px;
    max-width: 1100px;
    width: 100%;
}

/* Mobile Responsive */
@media (max-width: 900px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .sidebar-close {
        display: block;
    }
    
    .sidebar-overlay {
        display: block;
    }
    
    .main-wrapper {
        margin-left: 0;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .mobile-logo {
        display: block;
    }
    
    .app-main {
        padding: 20px 16px;
    }
}
}

/* =====================================================
   COMPONENTS
   ===================================================== */

/* Page Header */
.page-header {
    margin-bottom: 28px;
}

.page-header h2 {
    font-size: 1.65rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Historial (Admin - Alumno) */
.history-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    margin-top: 8px;
}

.history-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 18px;
    box-shadow: var(--shadow-sm);
}

.history-card .card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.history-card .card-title {
    font-weight: 700;
    color: var(--text-primary);
}

.history-card .card-count {
    background: var(--bg-primary);
    color: var(--text-primary);
    padding: 6px 10px;
    border-radius: 999px;
    font-weight: 700;
    border: 1px solid var(--border-color);
}

.history-list { display:flex; flex-direction:column; gap:10px; }
.history-item {
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    padding: 10px 12px;
    border-radius: 10px;
    background: linear-gradient(90deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    border: 1px solid rgba(0,0,0,0.03);
}

.history-item .left { display:flex; gap:12px; align-items:center; }
.history-item .meta { color: var(--text-secondary); font-size: 0.9rem; }
.history-item .actions { display:flex; gap:8px; align-items:center; }

/* Avatar */
.avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    color: var(--accent-cream);
    display:flex;
    align-items:center;
    justify-content:center;
    font-weight:700;
    box-shadow: 0 4px 10px rgba(0,0,0,0.06);
    flex-shrink:0;
}

.avatar.small { width:36px; height:36px; font-size:0.9rem; }

.badge-prueba { background: linear-gradient(90deg, var(--warning) 0%, #d4b37a 100%); color: white; padding:4px 8px; border-radius: 999px; font-size:0.75rem; }

@media (max-width: 900px) {
    .history-grid { grid-template-columns: 1fr; }
}


/* Tabs for historial */
.tabs { display:flex; gap:8px; margin-bottom:16px; }
.tab-btn { background:transparent; border:1px solid var(--border-color); padding:8px 12px; border-radius:8px; cursor:pointer; color:var(--text-secondary); font-weight:600; }
.tab-btn:hover { background: rgba(139, 123, 107,0.04); color:var(--primary); }
.tab-btn.active { background: var(--bg-secondary); border-color: rgba(139, 123, 107,0.12); color:var(--text-primary); box-shadow: var(--shadow); }
.tab-panel { margin-top:8px; }
.hidden { display:none; }

.page-header p {
    color: var(--text-secondary);
    margin-top: 6px;
    font-size: 0.95rem;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 12px;
    padding: 6px 12px;
    margin-left: -12px;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.back-link:hover {
    color: var(--primary);
    background: rgba(139, 123, 107, 0.08);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.1) 0%, transparent 100%);
    pointer-events: none;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 14px rgba(139, 123, 107, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 123, 107, 0.45);
    color: white;
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--bg-primary);
    border-color: var(--primary-light);
    color: var(--primary);
}

.btn-success {
    background: linear-gradient(135deg, #6B8E6B 0%, #5A7D5A 100%);
    color: white;
    box-shadow: 0 4px 14px rgba(107, 142, 107, 0.35);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(107, 142, 107, 0.45);
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, #B87070 0%, #A05D5D 100%);
    color: white;
    box-shadow: 0 4px 14px rgba(184, 112, 112, 0.35);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(184, 112, 112, 0.45);
    color: white;
}

.btn-block {
    width: 100%;
}

.btn-large {
    padding: 18px 32px;
    font-size: 1.05rem;
}

.btn-small {
    padding: 10px 16px;
    font-size: 0.85rem;
    border-radius: var(--border-radius-sm);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* Forms */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.01em;
}

.form-group label i {
    margin-right: 6px;
    color: var(--primary);
    opacity: 0.8;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 18px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition);
    background: var(--bg-secondary);
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
    border-color: var(--primary-light);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(139, 123, 107, 0.12);
}

.form-group input::placeholder {
    color: var(--text-light);
}

.form-help {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.form-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 24px;
    border: 1px solid rgba(226, 232, 240, 0.5);
}

.form-section {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.form-section h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-section h3 i {
    color: var(--primary);
}

.form-row {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}

.form-row .form-group {
    flex: 1;
    min-width: 160px;
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 12px;
}

/* File Upload */
.file-upload {
    position: relative;
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    background: linear-gradient(180deg, rgba(139, 123, 107, 0.02) 0%, transparent 100%);
}

.file-upload:hover {
    border-color: var(--primary);
    background: linear-gradient(180deg, rgba(139, 123, 107, 0.06) 0%, rgba(139, 123, 107, 0.02) 100%);
    transform: translateY(-2px);
}

.file-upload input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.file-upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.file-upload-content i {
    font-size: 3rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.file-upload-content span {
    color: var(--text-primary);
    font-weight: 600;
}

.file-upload-content small {
    color: var(--text-secondary);
}

.file-preview {
    margin-top: 18px;
}

.file-preview img {
    max-width: 100%;
    max-height: 200px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

/* Alerts & Flash Messages */
.flash-messages {
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.alert {
    padding: 16px 20px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: var(--shadow-sm);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.alert-close {
    margin-left: auto;
    background: none;
    border: none;
    font-size: 1.3rem;
    cursor: pointer;
    color: inherit;
    opacity: 0.6;
    transition: opacity var(--transition-fast);
    padding: 4px 8px;
    border-radius: 6px;
}

.alert-close:hover {
    opacity: 1;
    background: rgba(0,0,0,0.05);
}

.alert-success {
    background: linear-gradient(135deg, #E8F0E8 0%, #D5E5D5 100%);
    color: #3D5A3D;
    border-left: 4px solid var(--success);
}

.alert-error, .alert-danger {
    background: linear-gradient(135deg, #F8EBEB 0%, #F0DEDE 100%);
    color: #6B4040;
    border-left: 4px solid var(--danger);
}

.alert-warning {
    background: linear-gradient(135deg, #FDF6E3 0%, #F5EDD0 100%);
    color: #6B5030;
    border-left: 4px solid var(--warning);
}

.alert-info {
    background: linear-gradient(135deg, #E8F2F5 0%, #D5E8ED 100%);
    color: #3D5A64;
    border-left: 4px solid var(--info);
}

.alert-link {
    text-decoration: none;
    justify-content: space-between;
    cursor: pointer;
}

.alert-link:hover {
    opacity: 0.95;
    transform: translateX(2px);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.badge-success {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    color: #065f46;
}

.badge-warning {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #92400e;
}

.badge-danger {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    color: #991b1b;
}

.badge-info {
    background: linear-gradient(135deg, #E8F2F5 0%, #D5E8ED 100%);
    color: #3D5A64;
}

.badge-admin {
    background: var(--primary-gradient);
    color: white;
}

.badge-profe {
    background: linear-gradient(135deg, #6B8B9A 0%, #5A7A89 100%);
    color: white;
}

.badge-alumno {
    background: linear-gradient(135deg, #6B8E6B 0%, #5A7D5A 100%);
    color: white;
}

.badge-small {
    padding: 4px 10px;
    font-size: 0.68rem;
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
    margin-bottom: 24px;
}

.status-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 18px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(226, 232, 240, 0.5);
    transition: all var(--transition);
}

.status-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.status-card-full {
    grid-column: span 2;
}

.card-icon {
    font-size: 2.2rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.card-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.card-value {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Metrics Grid (Admin Dashboard) */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
    margin-bottom: 28px;
}

.metric-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    padding: 28px 24px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid rgba(226, 232, 240, 0.5);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    display: block;
    cursor: pointer;
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity var(--transition);
}

.metric-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.metric-card:hover::before {
    opacity: 1;
}

.metric-card.metric-selected {
    border: 2px solid var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.metric-card.metric-selected::before {
    opacity: 1;
}

.metric-icon {
    font-size: 2.2rem;
    margin-bottom: 12px;
    opacity: 0.9;
}

.metric-value {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -1px;
}

.metric-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 6px;
    font-weight: 500;
}

.metric-success .metric-value {
    background: linear-gradient(135deg, #6B8E6B 0%, #5A7D5A 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.metric-danger .metric-value {
    background: linear-gradient(135deg, #B87070 0%, #A05D5D 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.metric-primary .metric-value {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Dashboard Detail Section */
.detail-section {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    padding: 24px;
    margin-top: 24px;
    box-shadow: var(--shadow);
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.detail-header h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.detail-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.detail-table th {
    background: var(--bg-primary);
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border-color);
}

.detail-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.detail-table tbody tr:hover {
    background: var(--bg-primary);
}

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

/* Quick Actions */
.quick-actions {
    margin-top: 28px;
}

.quick-actions h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 18px;
    color: var(--text-primary);
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}

.action-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    padding: 24px 18px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
    border: 1px solid rgba(226, 232, 240, 0.5);
    position: relative;
    overflow: hidden;
}

.action-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity var(--transition);
}

.action-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    color: white;
}

.action-card:hover::before {
    opacity: 1;
}

.action-card i,
.action-card span {
    position: relative;
    z-index: 1;
}

.action-card i {
    font-size: 1.6rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all var(--transition);
}

.action-card:hover i {
    background: none;
    -webkit-text-fill-color: white;
    transform: scale(1.1);
}

.action-card span {
    font-size: 0.82rem;
    font-weight: 600;
}

/* Action Section */
.action-section {
    margin: 25px 0;
}

/* Info Box */
.info-box {
    background: var(--info-light);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-top: 20px;
}

.info-box h4 {
    font-size: 0.95rem;
    color: #1e40af;
    margin-bottom: 10px;
}

.info-box ul {
    list-style: none;
    font-size: 0.85rem;
    color: #1e40af;
}

.info-box li {
    padding: 5px 0;
    padding-left: 20px;
    position: relative;
}

.info-box li::before {
    content: "•";
    position: absolute;
    left: 0;
}

/* List Container */
.list-container {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.list-item {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    padding: 20px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
    border: 1px solid rgba(226, 232, 240, 0.5);
    transition: all var(--transition);
}

.list-item:hover {
    transform: translateX(4px);
    border-left: 4px solid var(--primary);
}

.list-summary {
    text-align: center;
    margin-top: 18px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Payment Items */
.payment-item {
    flex-direction: column;
    align-items: stretch;
}

.payment-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    flex-wrap: wrap;
}

.payment-month {
    font-weight: 600;
}

.payment-month i {
    color: var(--text-secondary);
    margin-right: 5px;
}

.payment-amount {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary);
}

.payment-date {
    color: var(--text-secondary);
}

.payment-status {
    margin-left: auto;
}

.payment-rejection {
    width: 100%;
    background: var(--danger-light);
    padding: 10px 15px;
    border-radius: var(--border-radius-sm);
    margin-top: 10px;
    font-size: 0.85rem;
    color: #991b1b;
}

.payment-rejection i {
    margin-right: 5px;
}

/* Payment Admin Items */
.payment-admin-item {
    flex-wrap: nowrap;
}

.payment-main-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

/* Pagos - Historial layout */
.pagos-grid {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 20px;
    align-items: start;
    margin-top: 12px;
}

.filters {
    background: var(--bg-secondary);
    padding: 16px;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.filters .form-row {
    display:flex;
    flex-direction:column;
    gap:6px;
    margin-bottom:10px;
}

.filters .form-row label { color: var(--text-secondary); font-size:0.9rem; }
.filters input[type="date"], .filters input[type="month"], .filters select, .filters input[type="text"] {
    padding:8px 10px; border-radius:8px; border:1px solid var(--border-color); background:var(--bg-primary);
}

.filters .form-actions { display:flex; gap:8px; margin-top:6px; }

.summary-card { margin-top:12px; padding:12px; border-radius: 12px; background: linear-gradient(135deg, rgba(139,123,107,0.03), rgba(154,139,122,0.02)); border:1px solid var(--border-color); }
.summary-card .summary-title { color: var(--text-secondary); font-size:0.85rem; }
.summary-card .summary-value { font-size:1.25rem; font-weight:700; color:var(--primary); margin-top:6px; }
.summary-card .summary-sub { font-size:0.85rem; color:var(--text-secondary); margin-top:6px; }

.pagos-list { background: transparent; }
.history-table { width:100%; border-collapse: collapse; background: var(--bg-secondary); border-radius: 12px; overflow: hidden; box-shadow: var(--shadow-sm); }
.history-table thead { background: linear-gradient(90deg, rgba(139,123,107,0.04), rgba(154,139,122,0.02)); }
.history-table th, .history-table td { padding:12px 14px; text-align:left; border-bottom:1px solid var(--border-color); }
.history-table tbody tr:hover { background: rgba(139,123,107,0.03); }
.history-table td .btn-sm { padding:6px 10px; border-radius:8px; }

@media (max-width: 900px) {
    .pagos-grid { grid-template-columns: 1fr; }
    .filters { order: -1; }
}

.payment-student strong {
    display: block;
}

.payment-student small {
    color: var(--text-secondary);
}

.payment-details {
    display: flex;
    gap: 15px;
}

.payment-details .payment-month {
    font-weight: 500;
}

.payment-meta {
    color: var(--text-secondary);
}

/* Student Items */
.student-item {
    flex-wrap: nowrap;
}

.student-info {
    flex: 1;
}

.student-name strong {
    display: block;
}

.student-name small {
    color: var(--text-secondary);
}

.student-details {
    display: flex;
    gap: 15px;
    margin-top: 5px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.student-status {
    margin-left: auto;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 6px;
    margin-bottom: 24px;
    background: var(--bg-secondary);
    padding: 6px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

.tab {
    flex: 1;
    text-align: center;
    padding: 14px;
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition);
    position: relative;
}

.tab:hover {
    color: var(--primary);
    background: rgba(139, 123, 107, 0.06);
}

.tab.active {
    color: white;
    background: var(--primary-gradient);
    box-shadow: 0 4px 12px rgba(139, 123, 107, 0.3);
}

.tab-badge {
    background: var(--danger);
    color: white;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.72rem;
    margin-left: 6px;
    font-weight: 700;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 24px;
}

.empty-icon {
    font-size: 4.5rem;
    margin-bottom: 18px;
    opacity: 0.4;
}

.empty-state h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 12px;
    font-weight: 700;
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    max-width: 320px;
    margin-left: auto;
    margin-right: auto;
}

/* Detail Card */
.detail-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(226, 232, 240, 0.5);
}

.detail-section {
    margin-bottom: 28px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--border-color);
}

.detail-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.detail-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
}

.detail-section h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.detail-section h3 i {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.detail-value {
    font-weight: 600;
    text-align: right;
    color: var(--text-primary);
}

.detail-value.highlight {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.15rem;
    font-weight: 700;
}

.notes-content {
    background: linear-gradient(135deg, var(--bg-primary) 0%, rgba(139, 123, 107, 0.03) 100%);
    padding: 18px;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    color: var(--text-secondary);
    border: 1px solid rgba(226, 232, 240, 0.5);
}

/* Comprobante Preview */
.comprobante-preview {
    text-align: center;
}

.comprobante-image {
    max-width: 100%;
    max-height: 300px;
    border-radius: var(--border-radius);
    margin-bottom: 15px;
}

.pdf-preview {
    background: var(--bg-primary);
    padding: 40px;
    border-radius: var(--border-radius);
    margin-bottom: 15px;
}

.pdf-preview i {
    font-size: 3rem;
    color: var(--danger);
    display: block;
    margin-bottom: 10px;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid var(--border-color);
}

.decision-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.rejection-reason {
    background: var(--danger-light);
    padding: 15px;
    border-radius: var(--border-radius-sm);
    color: #991b1b;
}

/* Search Form */
.search-form {
    margin-bottom: 20px;
}

.search-box {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-secondary);
    padding: 10px 15px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.search-box i {
    color: var(--text-secondary);
}

.search-box input {
    flex: 1;
    border: none;
    background: none;
    font-family: inherit;
    font-size: 1rem;
    padding: 8px;
}

.search-box input:focus {
    outline: none;
}

/* Filter Form */
.filter-form {
    background: var(--bg-secondary);
    padding: 20px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

/* Mini List */
.mini-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mini-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    background: var(--bg-primary);
    border-radius: var(--border-radius-sm);
}

.mini-list-info {
    font-size: 0.9rem;
}

/* Attendance */
.attendance-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
}

.attendance-header h3 {
    font-size: 1.05rem;
    font-weight: 700;
}

.attendance-actions {
    display: flex;
    gap: 10px;
}

.attendance-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 24px;
}

.attendance-item {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 18px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    cursor: pointer;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
    border: 2px solid transparent;
}

.attendance-item:hover {
    background: linear-gradient(135deg, rgba(139, 123, 107, 0.04) 0%, transparent 100%);
    border-color: var(--primary-light);
}

.attendance-item input[type="checkbox"] {
    display: none;
}

.attendance-checkbox {
    width: 28px;
    height: 28px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    flex-shrink: 0;
}

.attendance-item input:checked + .attendance-checkbox {
    background: var(--primary-gradient);
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(139, 123, 107, 0.35);
}

.attendance-item input:checked + .attendance-checkbox::after {
    content: "✓";
    color: white;
    font-weight: bold;
    font-size: 0.9rem;
}

.attendance-name {
    flex: 1;
    font-weight: 600;
}

.attendance-ci {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
}

.attendance-summary {
    text-align: center;
    padding: 18px;
    background: linear-gradient(135deg, rgba(139, 123, 107, 0.06) 0%, rgba(154, 139, 122, 0.03) 100%);
    border-radius: var(--border-radius-lg);
    margin-bottom: 18px;
    font-weight: 600;
    border: 1px solid rgba(139, 123, 107, 0.1);
}

#selected-count {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.3rem;
    font-weight: 800;
}

/* Classes */
.section {
    margin-bottom: 36px;
}

.section-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title i {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.day-section {
    margin-bottom: 24px;
}

.day-title {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.classes-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.class-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    padding: 20px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 18px;
    border: 1px solid rgba(226, 232, 240, 0.5);
    transition: all var(--transition);
}

.class-card:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-lg);
}

/* Clase pendiente de habilitación (menos de 3 alumnos) */
.class-card.clase-pendiente {
    border-left: 4px solid #f0ad4e;
    background: linear-gradient(90deg, rgba(240, 173, 78, 0.08) 0%, transparent 100%);
}

/* Estado de habilitación de la clase */
.class-status {
    font-size: 0.8rem;
    padding: 6px 10px;
    border-radius: 6px;
    margin-top: 8px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.class-status.pendiente {
    background: rgba(240, 173, 78, 0.15);
    color: #b8860b;
    border: 1px solid rgba(240, 173, 78, 0.3);
}

.class-status.habilitada {
    background: rgba(107, 142, 107, 0.15);
    color: #5a7d5a;
    border: 1px solid rgba(107, 142, 107, 0.3);
}

.class-today {
    border-left: 4px solid var(--primary);
    background: linear-gradient(90deg, rgba(139, 123, 107, 0.04) 0%, transparent 100%);
}

.class-time {
    color: var(--text-secondary);
    font-size: 0.9rem;
    min-width: 105px;
    font-weight: 500;
}

.class-time i {
    margin-right: 6px;
    color: var(--primary);
}

.class-info {
    flex: 1;
}

.class-info h4 {
    font-size: 1.05rem;
    font-weight: 700;
}

.class-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.class-info small {
    color: var(--text-secondary);
}

.quick-classes {
    background: var(--bg-secondary);
    padding: 18px;
    border-radius: var(--border-radius-lg);
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.quick-classes label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 12px;
    font-weight: 600;
}

.quick-class-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

/* Responsive */
@media (max-width: 600px) {
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .status-card-full {
        grid-column: span 1;
    }
    
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .actions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .form-row .form-group {
        min-width: 100%;
    }
    
    .payment-admin-item {
        flex-wrap: wrap;
    }
    
    .student-item {
        flex-wrap: wrap;
    }
    
    .student-status {
        width: 100%;
        margin-top: 10px;
        margin-left: 0;
    }
    
    .auth-card {
        padding: 32px 24px;
    }
}

/* Modals (double confirmation for logout) */
.modal { position: fixed; inset: 0; display:flex; align-items:center; justify-content:center; z-index: 1000; }
.modal.hidden { display: none; }
/* Overlay is hidden by default and only shown when .active is present */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.45); z-index: 1100; align-items: center; justify-content: center; opacity: 0; transition: opacity var(--transition); }
.modal-overlay.active { display: flex; opacity: 1; }
/* Modal content inside overlay */
.modal-content, .modal-panel { position: relative; background: var(--bg-secondary); padding: 20px; border-radius: 12px; box-shadow: var(--shadow-lg); width: 420px; max-width: 92%; z-index: 1101; border:1px solid rgba(226,232,240,0.8); }
.modal-panel h3 { margin-bottom:8px; }
.modal-panel p { color:var(--text-secondary); margin-bottom:12px; }
.modal-panel input[type="text"] { width:100%; padding:10px 12px; border:1px solid var(--border-color); border-radius:8px; margin-bottom:12px; }
.modal-actions { display:flex; justify-content:flex-end; gap:8px; }
.modal .btn[disabled] { opacity:0.5; cursor:not-allowed; }

/* Notifications dropdown & toasts */
.notif-wrapper { display:inline-block; }
.notif-dropdown { position: fixed; right: 20px; top: calc(var(--header-height) + 8px); width: 360px; max-width: calc(100% - 40px); background: var(--bg-secondary); border-radius: 12px; box-shadow: var(--shadow-lg); border: 1px solid rgba(226,232,240,0.7); overflow: hidden; z-index: 1200; } 

/* Make dropdown full width on mobile */
@media (max-width: 520px) {
    .notif-dropdown { right: 10px; left: 10px; width: auto; max-width: calc(100% - 20px); top: calc(var(--header-height) + 10px); }
}
.notif-dropdown.hidden { display:none; }
.notif-dropdown-header { padding:12px 14px; display:flex; justify-content:space-between; align-items:center; border-bottom:1px solid rgba(226,232,240,0.6); }
.notif-header-left { display:flex; flex-direction:column; gap:2px; }
.notif-header-left .notif-subtitle { font-size:0.85rem; color:var(--text-secondary); }
.notif-header-actions { display:flex; gap:8px; align-items:center; }

/* Mute button inside header */
.btn-icon.notif-mute { display:inline-flex; align-items:center; justify-content:center; width:36px; height:36px; border-radius:8px; color:var(--text-secondary); background:none; border:1px solid transparent; cursor:pointer; }
.btn-icon.notif-mute:hover { background: rgba(139, 123, 107,0.06); color:var(--primary); }

/* When muted, tint the bell and mute icon */
.notif-bell.muted i, .btn-icon.notif-mute.muted i { color: var(--danger); }

.notif-muted { padding: 8px 12px; background: var(--warning-light); color: #924d00; font-size:0.9rem; text-align:center; }

.notif-list { max-height: 320px; overflow:auto; display:flex; flex-direction:column; gap:10px; padding:12px; }
.notif-empty { color:var(--text-secondary); padding:20px; text-align:center; }
.notif-item { padding:10px; border-radius:12px; display:flex; gap:12px; align-items:flex-start; background:var(--bg-primary); border:1px solid var(--border-color); box-shadow: var(--shadow-sm); }
.notif-item.unread { background: linear-gradient(90deg, rgba(99,102,241,0.04), transparent); border-left:4px solid var(--primary); }
.notif-left { display:flex; align-items:center; }
.notif-icon { display:inline-flex; align-items:center; justify-content:center; width:44px; height:44px; border-radius:10px; background:linear-gradient(180deg, rgba(99,102,241,0.12), rgba(99,102,241,0.06)); color:var(--primary); font-size:18px; }
.notif-body { flex:1; min-width:0; cursor:pointer; }
.notif-title { font-weight:700; font-size:0.95rem; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.notif-msg { color:var(--text-secondary); font-size:0.9rem; margin-top:6px; max-height:2.4em; overflow:hidden; text-overflow:ellipsis; }
.notif-meta { display:flex; flex-direction:column; align-items:flex-end; gap:8px; min-width:80px; }
.notif-time { color:var(--text-secondary); font-size:0.8rem; }
.notif-actions .btn-icon { border-radius:8px; width:36px; height:36px; display:inline-flex; align-items:center; justify-content:center; color:var(--text-secondary); }
.notif-actions .btn-icon:hover { background: rgba(99,102,241,0.06); color:var(--primary); }

@media (max-width:520px) {
    .notif-item { gap:10px; padding:12px; }
    .notif-left { display:none; }
    .notif-meta { min-width:60px; }
}

.toast-container { position: fixed; right: 20px; top: 90px; z-index: 1000; display:flex; flex-direction:column; gap:10px; }
.toast { background: var(--bg-secondary); border-radius: 12px; padding: 12px 16px; box-shadow: var(--shadow-lg); border: 1px solid rgba(226,232,240,0.7); min-width:240px; }
.toast strong { display:block; margin-bottom:6px; }

/* Smooth scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-light);
}

/* Focus visible for accessibility */
:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Selection styling */
::selection {
    background: var(--primary-light);
    color: var(--text-primary);
}
/* =====================================================
   PROFILE PAGE STYLES
   ===================================================== */

.profile-container {
    max-width: 720px;
    margin: 0 auto;
}

.profile-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.profile-photo-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 32px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.profile-photo-wrapper {
    position: relative;
    width: 140px;
    height: 140px;
}

.profile-photo {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary-light);
    box-shadow: var(--shadow-lg);
}

.profile-photo-placeholder {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
    border: 4px solid var(--primary-light);
    box-shadow: var(--shadow-lg);
}

.profile-photo-edit {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    border: 3px solid var(--bg-secondary);
    box-shadow: var(--shadow);
}

.profile-photo-edit:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

.remove-photo-btn {
    margin-top: 8px;
}

.profile-section {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--shadow);
}

.profile-section .section-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.profile-section .section-title i {
    color: var(--primary);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.form-hint {
    display: block;
    margin-top: 4px;
    font-size: 0.85rem;
    color: var(--text-light);
}

.required {
    color: var(--danger);
}

/* Security Options */
.security-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.security-link {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--bg-primary);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    color: var(--text-primary);
    text-decoration: none;
}

.security-link:hover {
    background: rgba(139, 123, 107, 0.06);
    color: var(--primary);
}

.security-link.disabled {
    opacity: 0.7;
    cursor: not-allowed;
    pointer-events: none;
}

.security-link > i:first-child {
    width: 44px;
    height: 44px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.security-link div {
    flex: 1;
}

.security-link div strong {
    display: block;
    margin-bottom: 2px;
}

.security-link div span {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.security-link > i:last-child {
    color: var(--text-light);
}

/* Password wrapper */
.password-wrapper {
    position: relative;
}

/* Tabs for admin asistencia */
.tabs { display:flex; gap:8px; margin: 18px 0; }
.tab-btn { padding: 10px 14px; border-radius: 10px; background: var(--bg-secondary); color: var(--text-secondary); text-decoration:none; transition: var(--transition); border:1px solid transparent; }
.tab-btn.active { background: var(--primary-gradient); color: white; border-color: rgba(0,0,0,0.04); box-shadow: var(--shadow); }
.tab-btn:hover { transform: translateY(-2px); }

.password-wrapper .form-control {
    padding-right: 48px;
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
}

.password-toggle:hover {
    color: var(--primary);
}

/* Card form styling */
.card-form {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: 32px;
    box-shadow: var(--shadow);
}

.btn-block {
    width: 100%;
}

/* Text color utilities */
.text-warning {
    color: var(--warning) !important;
}

.text-danger {
    color: var(--danger) !important;
}

/* Sidebar profile link */
.sidebar-user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

/* Admin cards (additional styles) */
.admin-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 14px;
}
.admin-card {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}
.admin-card-left { display:flex; gap:12px; align-items:center; }
.admin-avatar { width:56px; height:56px; border-radius:50%; overflow:hidden; display:flex; align-items:center; justify-content:center; background:var(--primary-light); color:var(--primary-dark); font-weight:700; font-size:1.1rem; }
.admin-avatar img { width:100%; height:100%; object-fit:cover; display:block; }
.avatar-initials { padding:8px; }
.admin-meta { display:flex; flex-direction:column; }
.admin-name { font-size:1rem; }
.admin-sub { color:var(--text-secondary); font-size:0.9rem; margin-top:4px; }
.admin-card-right { display:flex; flex-direction:column; align-items:flex-end; gap:8px; }
.admin-roles .badge { margin-left:6px; }
.badge-admin { background: linear-gradient(90deg,#8B7B6B,#9A8B7A); color:#fff; padding:4px 8px; border-radius:999px; font-size:0.75rem; }
.badge-profe { background: var(--info); color:#fff; padding:4px 8px; border-radius:999px; font-size:0.75rem; }
.badge-alumno { background: var(--success); color:#fff; padding:4px 8px; border-radius:999px; font-size:0.75rem; }
.admin-actions .btn { padding:6px 10px; }
@media (max-width: 640px) {
    .admin-card { padding:10px; }
    .admin-card-right { align-items:flex-start; }
}
/* Clase pendiente de habilitación en admin */
article.clase-card.clase-pendiente {
    border-left: 4px solid #f0ad4e;
    background: linear-gradient(90deg, rgba(240, 173, 78, 0.06) 0%, transparent 100%);
}