/* ============================================
   Academia Helppiu - Premium Design
   Inspirado en Platzi / Coursera / Domestika
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
    --primary: #6c5ce7;
    --primary-dark: #5a4bd1;
    --primary-light: #f0edff;
    --primary-glow: rgba(108, 92, 231, 0.3);
    --accent: #00cec9;
    --accent-dark: #00b5b0;
    --secondary: #00b894;
    --secondary-dark: #009d80;
    --danger: #ff6b6b;
    --warning: #feca57;
    --info: #54a0ff;
    --dark: #0c0c1d;
    --dark-card: #161630;
    --dark-lighter: #1e1e3f;
    --dark-border: #2d2d5e;
    --gray-50: #f8f9fc;
    --gray-100: #f1f3f8;
    --gray-200: #e2e5ee;
    --gray-300: #d1d5e0;
    --gray-400: #9ca3b8;
    --gray-500: #6b7294;
    --gray-600: #4b5274;
    --gray-700: #363b54;
    --gray-800: #1f2237;
    --gray-900: #13152a;
    --white: #ffffff;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow: 0 2px 8px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.12);
    --shadow-lg: 0 16px 48px rgba(0,0,0,0.15);
    --shadow-glow: 0 0 30px rgba(108, 92, 231, 0.15);
    --radius: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--gray-800);
    background: var(--gray-50);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

main {
    flex: 1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   HEADER
   ============================================ */
.main-header {
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.06);
    padding: 14px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    transition: var(--transition);
}

.main-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--gray-900);
    transition: var(--transition);
}

.logo:hover {
    opacity: 0.85;
}

.logo-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: var(--white);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 20px;
}

.logo-img {
    height: 42px;
    width: auto;
    object-fit: contain;
    flex-shrink: 0;
}

.logo-text small {
    display: block;
    font-size: 11px;
    color: var(--gray-500);
    font-weight: 500;
    letter-spacing: 0.3px;
}

.logo-text strong {
    font-size: 16px;
    font-weight: 800;
    line-height: 1.2;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

.main-nav a {
    text-decoration: none;
    color: var(--gray-600);
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
    position: relative;
}

.main-nav a.btn {
    color: var(--white);
}

.main-nav a:not(.btn):hover {
    color: var(--primary);
}

.main-nav a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s;
    border-radius: 1px;
}

.main-nav a:not(.btn):hover::after {
    width: 100%;
}

/* ============================================
   FOOTER
   ============================================ */
.main-footer {
    background: var(--dark);
    color: var(--gray-400);
    text-align: center;
    padding: 32px 0;
    font-size: 13px;
    margin-top: 0;
    letter-spacing: 0.2px;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 11px 24px;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
    gap: 8px;
    line-height: 1.4;
    letter-spacing: 0.2px;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(rgba(255,255,255,0.15), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.btn:hover::after {
    opacity: 1;
}

.btn-sm {
    padding: 7px 16px;
    font-size: 13px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #8b5cf6 100%);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(108, 92, 231, 0.35);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(108, 92, 231, 0.45);
}

.btn-success {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--accent) 100%);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(0, 184, 148, 0.3);
}

.btn-success:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(0, 184, 148, 0.4);
}

.btn-danger {
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    color: var(--white);
}

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

.btn-outline {
    background: transparent;
    border: 2px solid var(--gray-200);
    color: var(--gray-700);
}

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

.btn-block {
    width: 100%;
}

.btn-lg {
    padding: 16px 40px;
    font-size: 16px;
    border-radius: var(--radius-lg);
    letter-spacing: 0.3px;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    background: var(--dark);
    color: var(--white);
    padding: 80px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(108, 92, 231, 0.25), transparent 60%);
    border-radius: 50%;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -40%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 206, 201, 0.2), transparent 60%);
    border-radius: 50%;
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    background: rgba(108, 92, 231, 0.2);
    border: 1px solid rgba(108, 92, 231, 0.3);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    color: #a78bfa;
    margin-bottom: 20px;
    letter-spacing: 0.3px;
}

.hero h1 {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 16px;
    line-height: 1.15;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #ffffff 0%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 18px;
    color: rgba(255,255,255,0.7);
    max-width: 640px;
    margin: 0 auto 28px;
    line-height: 1.7;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 36px;
    flex-wrap: wrap;
}

.hero-stat {
    text-align: center;
}

.hero-stat-value {
    font-size: 28px;
    font-weight: 900;
    color: var(--accent);
}

.hero-stat-label {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    font-weight: 500;
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-body {
    padding: 28px;
}

.card-header {
    padding: 18px 28px;
    border-bottom: 1px solid var(--gray-200);
    background: var(--gray-50);
    font-weight: 700;
}

/* ============================================
   WORKSHOP DETAIL (Landing)
   ============================================ */
.workshop-detail {
    padding: 48px 0;
}

.workshop-detail-header {
    margin-bottom: 36px;
}

.workshop-detail-header h2 {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.3px;
}

.workshop-desc {
    font-size: 16px;
    color: var(--gray-500);
    margin-top: 10px;
    line-height: 1.7;
}

.workshop-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 18px;
    margin-bottom: 40px;
}

.info-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 22px 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: 0;
    transition: opacity 0.3s;
}

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

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

.info-label {
    font-size: 11px;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
    font-weight: 700;
}

.info-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--gray-800);
}

.info-value.price {
    font-size: 28px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary), #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.info-value.price small {
    font-size: 13px;
    font-weight: 500;
    -webkit-text-fill-color: var(--gray-500);
}

/* ---- Section blocks ---- */
.section-block {
    margin-bottom: 40px;
}

.section-block h3 {
    font-size: 22px;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 6px;
    letter-spacing: -0.2px;
}

.section-block .section-subtitle {
    color: var(--gray-500);
    font-size: 15px;
    margin-bottom: 24px;
}

/* ---- Audience tags ---- */
.audience-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 4px;
}

.audience-tag {
    display: inline-flex;
    align-items: center;
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--primary-light), #f5f3ff);
    color: var(--primary-dark);
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 700;
    border: 1px solid rgba(108, 92, 231, 0.15);
    transition: var(--transition);
}

.audience-tag:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(108, 92, 231, 0.15);
}

/* ============================================
   SESSIONS GRID
   ============================================ */
.sessions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.session-card {
    display: flex;
    flex-direction: column;
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

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

.session-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    background: var(--dark);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.session-header::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 120px;
    height: 100%;
    background: linear-gradient(135deg, transparent, rgba(108, 92, 231, 0.3));
    pointer-events: none;
}

.session-card:nth-child(2) .session-header::before {
    background: linear-gradient(135deg, transparent, rgba(0, 206, 201, 0.3));
}

.session-card:nth-child(3) .session-header::before {
    background: linear-gradient(135deg, transparent, rgba(253, 203, 110, 0.3));
}

.session-number {
    font-weight: 800;
    font-size: 14px;
    letter-spacing: 0.5px;
}

.session-date {
    font-size: 13px;
    opacity: 0.8;
    font-weight: 500;
}

.session-card .card-body {
    flex: 1;
}

.session-card .card-body h4 {
    font-size: 17px;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 10px;
}

.session-time {
    font-size: 14px;
    color: var(--gray-500);
    margin-bottom: 16px;
    font-weight: 500;
}

.session-topics {
    list-style: none;
    padding: 0;
    margin: 0;
}

.session-topics li {
    position: relative;
    padding: 7px 0 7px 26px;
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.5;
}

.session-topics li::before {
    content: '✓';
    position: absolute;
    left: 0;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    color: var(--white);
    background: var(--secondary);
    border-radius: 50%;
    top: 9px;
    font-weight: 700;
}

/* ============================================
   CTA BLOCK
   ============================================ */
.cta-block {
    text-align: center;
    padding: 48px 0 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

/* ============================================
   BADGES
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.7px;
}

.badge-presencial { background: #dcfce7; color: #166534; }
.badge-virtual { background: #dbeafe; color: #1e40af; }
.badge-hibrido { background: #fef3c7; color: #92400e; }
.badge-remoto { background: #ede9fe; color: #5b21b6; }
.badge-activo { background: #d1fae5; color: #065f46; }
.badge-cancelado { background: #fee2e2; color: #991b1b; }
.badge-finalizado { background: var(--gray-200); color: var(--gray-600); }
.badge-pendiente { background: #fef3c7; color: #92400e; }
.badge-pagado { background: #d1fae5; color: #065f46; }

/* ============================================
   CAPACITY BAR
   ============================================ */
.capacity-bar {
    margin-top: 10px;
}

.progress {
    height: 8px;
    background: var(--gray-100);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    background: linear-gradient(90deg, var(--secondary), var(--accent));
}

.progress-fill.high {
    background: linear-gradient(90deg, var(--warning), #f59e0b);
}

.progress-fill.full {
    background: linear-gradient(90deg, var(--danger), #ee5a24);
}

/* ============================================
   FORMS
   ============================================ */
.form-section {
    max-width: 700px;
    margin: 48px auto;
    padding: 0 20px;
}

.form-group {
    margin-bottom: 22px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: var(--gray-700);
    margin-bottom: 8px;
}

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

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 15px;
    font-family: inherit;
    color: var(--gray-800);
    background: var(--white);
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-glow);
}

.form-control.error {
    border-color: var(--danger);
}

textarea.form-control {
    resize: vertical;
    min-height: 80px;
}

select.form-control {
    cursor: pointer;
}

.form-hint {
    font-size: 13px;
    color: var(--gray-500);
    margin-top: 6px;
    font-weight: 500;
}

.form-error {
    font-size: 13px;
    color: var(--danger);
    margin-top: 6px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

/* ============================================
   ALERTS
   ============================================ */
.alert {
    padding: 16px 20px;
    border-radius: var(--radius);
    font-size: 14px;
    margin-bottom: 20px;
    border: 1px solid transparent;
    font-weight: 500;
}

.alert-success { background: #d1fae5; border-color: #6ee7b7; color: #065f46; }
.alert-danger { background: #fee2e2; border-color: #fca5a5; color: #991b1b; }
.alert-warning { background: #fef3c7; border-color: #fde68a; color: #92400e; }
.alert-info { background: #dbeafe; border-color: #93c5fd; color: #1e40af; }

/* ============================================
   SUMMARY BOX
   ============================================ */
.summary-box {
    background: linear-gradient(135deg, var(--primary-light), #f5f3ff);
    border: 1px solid rgba(108, 92, 231, 0.15);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-top: 24px;
}

.summary-box h4 {
    margin-bottom: 14px;
    color: var(--primary-dark);
    font-weight: 800;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    font-size: 14px;
}

.summary-total {
    border-top: 2px solid var(--primary);
    padding-top: 12px;
    margin-top: 10px;
    font-size: 20px;
    font-weight: 800;
    color: var(--primary-dark);
}

/* ============================================
   CONFIRMATION
   ============================================ */
.confirmation-page {
    text-align: center;
    padding: 80px 20px;
    max-width: 600px;
    margin: 0 auto;
}

.confirmation-icon {
    width: 88px;
    height: 88px;
    background: #d1fae5;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 42px;
    margin: 0 auto 24px;
}

/* ============================================
   ADMIN PANEL
   ============================================ */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: 260px;
    background: var(--dark);
    color: var(--white);
    padding: 24px 0;
    flex-shrink: 0;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    overflow-y: auto;
    z-index: 200;
}

.admin-sidebar .logo {
    padding: 0 20px 24px;
    border-bottom: 1px solid var(--dark-border);
    margin-bottom: 24px;
    color: var(--white);
}

.admin-sidebar .logo small {
    color: var(--gray-400);
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    color: var(--gray-400);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background: rgba(108, 92, 231, 0.1);
    color: var(--white);
    border-left-color: var(--primary);
}

.sidebar-nav a .icon {
    width: 22px;
    text-align: center;
    font-size: 16px;
}

.admin-content {
    flex: 1;
    margin-left: 260px;
    padding: 32px;
    background: var(--gray-50);
    min-height: 100vh;
}

.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}

.admin-header h1 {
    font-size: 26px;
    font-weight: 800;
    color: var(--gray-900);
    letter-spacing: -0.3px;
}

/* ---- Stats cards ---- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 18px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 22px;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

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

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
}

.stat-card .stat-label {
    font-size: 12px;
    color: var(--gray-500);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.stat-card .stat-value {
    font-size: 30px;
    font-weight: 900;
    color: var(--gray-900);
}

.stat-card .stat-sub {
    font-size: 12px;
    color: var(--gray-400);
    margin-top: 4px;
    font-weight: 500;
}

/* ---- Tables ---- */
.table-wrapper {
    overflow-x: auto;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.data-table th {
    background: var(--gray-50);
    padding: 14px 18px;
    text-align: left;
    font-weight: 700;
    color: var(--gray-500);
    border-bottom: 1px solid var(--gray-200);
    white-space: nowrap;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.data-table td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-700);
}

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

.data-table tr:hover td {
    background: rgba(108, 92, 231, 0.03);
}

.actions {
    display: flex;
    gap: 8px;
}

/* ---- Login ---- */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--dark);
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    top: -30%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(108, 92, 231, 0.2), transparent 60%);
    border-radius: 50%;
}

.login-page::after {
    content: '';
    position: absolute;
    bottom: -20%;
    right: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 206, 201, 0.15), transparent 60%);
    border-radius: 50%;
}

.login-card {
    width: 100%;
    max-width: 420px;
    margin: 20px;
    position: relative;
    z-index: 1;
}

.login-card .card-body {
    padding: 48px;
}

.login-card h2 {
    text-align: center;
    margin-bottom: 8px;
    color: var(--gray-900);
    font-weight: 800;
}

.login-card .subtitle {
    text-align: center;
    color: var(--gray-500);
    font-size: 14px;
    margin-bottom: 32px;
    font-weight: 500;
}

/* ---- Modal ---- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 28px;
    border-bottom: 1px solid var(--gray-200);
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 800;
}

.modal-close {
    background: var(--gray-100);
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--gray-500);
    padding: 4px 10px;
    border-radius: var(--radius);
    line-height: 1;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--gray-200);
    color: var(--gray-700);
}

.modal-body {
    padding: 28px;
}

.modal-footer {
    padding: 18px 28px;
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* ============================================
   WORKSHOP CARDS (legacy)
   ============================================ */
.workshops-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 24px;
    padding: 40px 0;
}

.workshop-card { display: flex; flex-direction: column; }
.workshop-card .card-body { flex: 1; display: flex; flex-direction: column; }
.workshop-card h3 { font-size: 18px; margin-bottom: 8px; color: var(--gray-900); }
.workshop-card .description { font-size: 14px; color: var(--gray-500); margin-bottom: 16px; flex: 1; }

.workshop-meta { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.meta-row { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--gray-600); }
.meta-row .icon { width: 18px; text-align: center; flex-shrink: 0; }

.workshop-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 28px;
    border-top: 1px solid var(--gray-200);
    background: var(--gray-50);
}

.price {
    font-size: 28px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary), #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price small {
    font-size: 12px;
    font-weight: 500;
    -webkit-text-fill-color: var(--gray-500);
}

.capacity-info {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--gray-500);
    margin-bottom: 4px;
}

/* ---- Admin sessions table ---- */
.sessions-mini-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    margin-top: 8px;
}

.sessions-mini-table th {
    background: var(--gray-50);
    padding: 6px 10px;
    text-align: left;
    font-weight: 700;
    color: var(--gray-500);
    font-size: 11px;
    text-transform: uppercase;
}

.sessions-mini-table td {
    padding: 6px 10px;
    border-top: 1px solid var(--gray-100);
    color: var(--gray-600);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .hero h1 { font-size: 30px; }
    .hero p { font-size: 16px; }
    .hero { padding: 50px 0 40px; }
    .hero-stats { gap: 24px; }
    .workshops-grid { grid-template-columns: 1fr; }
    .sessions-grid { grid-template-columns: 1fr; }
    .workshop-info-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .admin-sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s;
    }
    .admin-sidebar.open {
        transform: translateX(0);
    }
    .admin-content {
        margin-left: 0;
        padding: 20px;
    }
    .admin-header {
        flex-direction: column;
        gap: 16px;
        align-items: flex-start;
    }
    .mobile-toggle {
        display: block !important;
    }
}

.mobile-toggle {
    display: none;
    background: none;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    padding: 8px 14px;
    cursor: pointer;
    font-size: 18px;
}

/* ---- Utility ---- */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }
.gap-10 { gap: 10px; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }