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

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Import Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Playfair+Display:wght@400;600;700&display=swap');

:root {
    /* Brand Colors - Enhanced Palette */
    --color-primary: #1a1a2e;
    --color-secondary: #16213e;
    --color-accent: #e94560;
    --color-accent-dark: #c41e3a;
    --color-accent-light: #ff6b8a;

    --color-arte: #e94560;
    --color-musica: #4361ee;

    /* Gradient Definitions */
    --gradient-primary: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    --gradient-accent: linear-gradient(135deg, #e94560 0%, #ff6b8a 100%);
    --gradient-blue: linear-gradient(135deg, #4361ee 0%, #738ffe 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    --gradient-card: linear-gradient(145deg, #ffffff 0%, #f8f9fc 100%);
    --gradient-hover: linear-gradient(145deg, #f8f9fc 0%, #eef0f5 100%);

    --color-bg: #f0f2f5;
    --color-bg-light: #ffffff;
    --color-bg-gray: #f8f9fc;
    --color-bg-dark: #e8eaef;

    --color-border: #e2e8f0;
    --color-border-light: #f0f3f8;

    --color-text: #1a1a2e;
    --color-text-light: #64748b;
    --color-text-muted: #94a3b8;

    --color-success: #10b981;
    --color-success-light: #d1fae5;
    --color-danger: #ef4444;
    --color-danger-light: #fee2e2;
    --color-warning: #f59e0b;
    --color-warning-light: #fef3c7;

    /* Shadows - Layered & Soft */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);
    --shadow-xl: 0 24px 60px rgba(0, 0, 0, 0.16), 0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-accent: 0 8px 30px rgba(233, 69, 96, 0.25);
    --shadow-primary: 0 8px 30px rgba(26, 26, 46, 0.2);

    /* Radius - Modern Rounded */
    --radius-xs: 6px;
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Fonts */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Background Pattern - Minimal */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent;
    pointer-events: none;
    z-index: -1;
}

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

/* Header - Glassmorphism */
header {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

header:hover {
    background: rgba(255, 255, 255, 0.95);
}

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

.logo-link {
    display: block;
    text-decoration: none;
    transition: var(--transition);
}

.logo-link:hover {
    transform: scale(1.02);
}

.logo {
    max-height: 70px;
    width: auto;
    display: block;
}

header nav {
    display: flex;
    gap: 32px;
    align-items: center;
}

header nav a {
    color: var(--color-text);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    transition: var(--transition);
    position: relative;
    padding: 8px 0;
}

header nav a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-accent);
    transition: var(--transition);
    border-radius: 2px;
    transform: translateX(-50%);
}

header nav a:hover {
    color: var(--color-accent);
}

header nav a:hover::before {
    width: 100%;
}

.btn-logout {
    padding: 10px 24px;
    background: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: var(--transition);
}

.btn-logout:hover {
    background: var(--gradient-primary);
    color: white;
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

/* Main */
main {
    padding: 60px 24px;
    min-height: calc(100vh - 200px);
}

/* Page Title - Enhanced */
.page-title {
    margin-bottom: 60px;
    text-align: center;
    position: relative;
}

.page-title::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: var(--radius-full);
}

.page-title h2 {
    font-family: var(--font-heading);
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--color-primary);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.page-title p {
    color: var(--color-text-light);
    font-size: 18px;
    font-weight: 400;
    max-width: 600px;
    margin: 0 auto;
}

/* Filters - Enhanced Card */
.filters {
    margin-bottom: 50px;
    padding: 28px 32px;
    background: var(--color-bg-light);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
}

.filters label {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-light);
}

.filters select {
    padding: 12px 20px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-light);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-body);
    min-width: 160px;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2364748b' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.filters select:hover {
    border-color: var(--color-text-muted);
}

.filters select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 4px rgba(233, 69, 96, 0.1);
}

/* Events Section */
.events-section h3 {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 40px;
    color: var(--color-primary);
    text-align: center;
}

.events-list {
    display: grid;
    gap: 24px;
}

/* Event Card - Premium Design */
.event-card {
    background: var(--color-bg-light);
    border: none;
    border-radius: var(--radius-lg);
    padding: 36px 40px;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.event-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: var(--color-border);
    transition: var(--transition);
}

.event-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(233, 69, 96, 0.03) 0%, transparent 70%);
    pointer-events: none;
    opacity: 0;
    transition: var(--transition);
}

.event-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.event-card:hover::before {
    background: var(--gradient-accent);
}

.event-card:hover::after {
    opacity: 1;
}

.event-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
    gap: 24px;
}

.event-title {
    flex: 1;
}

.event-title h4 {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-primary);
    line-height: 1.3;
}

.event-type {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
    background: var(--color-bg-gray);
    color: var(--color-text-light);
    transition: var(--transition);
}

.event-type.arte {
    background: linear-gradient(135deg, rgba(233, 69, 96, 0.1) 0%, rgba(233, 69, 96, 0.05) 100%);
    color: var(--color-arte);
    border: 1px solid rgba(233, 69, 96, 0.2);
}

.event-type.musica {
    background: linear-gradient(135deg, rgba(67, 97, 238, 0.1) 0%, rgba(67, 97, 238, 0.05) 100%);
    color: var(--color-musica);
    border: 1px solid rgba(67, 97, 238, 0.2);
}

.event-description {
    color: var(--color-text-light);
    font-size: 15px;
    margin-bottom: 28px;
    line-height: 1.7;
}

.event-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
    padding: 24px;
    background: var(--gradient-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
}

.event-detail strong {
    display: block;
    color: var(--color-text-muted);
    font-weight: 600;
    margin-bottom: 6px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.event-detail span {
    color: var(--color-text);
    font-weight: 600;
    font-size: 14px;
}

.event-actions {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 16px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border-light);
}

.event-status {
    font-size: 12px;
    font-weight: 700;
    padding: 10px 20px;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.event-status::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.event-status.disponibile {
    background: var(--color-success-light);
    color: var(--color-success);
}

.event-status.disponibile::before {
    background: var(--color-success);
    animation: pulse-dot 2s infinite;
}

.event-status.completo {
    background: var(--color-bg-dark);
    color: var(--color-text-muted);
}

.event-status.completo::before {
    background: var(--color-text-muted);
}

@keyframes pulse-dot {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

/* Buttons - Premium Design */
button,
.btn-primary,
.btn-secondary {
    padding: 14px 32px;
    font-size: 14px;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-body);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-primary);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-slow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(26, 26, 46, 0.35);
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--color-bg-light);
    color: var(--color-text);
    border: 2px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--gradient-hover);
    border-color: var(--color-text-muted);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

/* Modal - Glassmorphism */
.modal {
    display: flex;
    visibility: hidden;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background: rgba(26, 26, 46, 0.5);
    backdrop-filter: blur(8px);
    transition: var(--transition);
    opacity: 0;
    pointer-events: none;
    align-items: center;
    justify-content: center;
}

.modal.active {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background: var(--color-bg-light);
    padding: 48px;
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 680px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-xl);
    animation: modalSlideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

@keyframes modalSlideUp {
    0% {
        opacity: 0;
        transform: translateY(50px) scale(0.9);
    }

    60% {
        transform: translateY(-10px) scale(1.02);
    }

    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-content.success {
    max-width: 480px;
    text-align: center;
    padding: 60px 48px;
}

.modal-content.success h3 {
    color: var(--color-success);
    font-size: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.close {
    position: absolute;
    right: 24px;
    top: 24px;
    color: var(--color-text-muted);
    font-size: 24px;
    font-weight: 300;
    cursor: pointer;
    line-height: 1;
    transition: var(--transition);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: var(--color-bg-gray);
}

.close:hover {
    color: var(--color-text);
    background: var(--color-bg-dark);
    transform: rotate(90deg);
}

.modal-content h3 {
    font-family: var(--font-heading);
    font-size: 28px;
    margin-bottom: 24px;
    color: var(--color-primary);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.event-summary {
    background: var(--gradient-card);
    padding: 24px;
    margin-bottom: 32px;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-accent);
    box-shadow: var(--shadow-xs);
}

.event-summary h4 {
    font-size: 18px;
    margin-bottom: 12px;
    font-weight: 700;
    color: var(--color-primary);
}

.event-summary p {
    font-size: 14px;
    margin-bottom: 6px;
    color: var(--color-text-light);
}

/* Form - Enhanced */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-bg-light);
    transition: var(--transition);
}

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

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 4px rgba(233, 69, 96, 0.1);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group.checkbox {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.form-group.checkbox label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-weight: 400;
    margin-bottom: 0;
    cursor: pointer;
    text-transform: none;
    font-size: 14px;
    line-height: 1.5;
}

.form-group.checkbox input[type="checkbox"] {
    width: 22px;
    height: 22px;
    margin-top: 2px;
    cursor: pointer;
    accent-color: var(--color-accent);
    flex-shrink: 0;
}

.form-group.checkbox a {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.form-group.checkbox a:hover {
    text-decoration: underline;
}

.form-actions {
    display: flex;
    gap: 16px;
    justify-content: flex-end;
    margin-top: 36px;
    padding-top: 28px;
    border-top: 1px solid var(--color-border-light);
}

/* Messages */
.loading,
.no-events {
    text-align: center;
    padding: 80px 24px;
    color: var(--color-text-light);
    font-size: 16px;
}

.loading::before {
    content: '';
    display: block;
    width: 48px;
    height: 48px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    margin: 0 auto 20px;
    animation: spinner 0.8s linear infinite;
}

@keyframes spinner {
    to {
        transform: rotate(360deg);
    }
}

/* Footer - Enhanced */
footer {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 40%, #0f3460 100%);
    padding: 70px 0 50px;
    text-align: center;
    color: rgba(255, 255, 255, 0.85);
    margin-top: 100px;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-musica));
    border-radius: var(--radius-full);
}

footer::after {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(233, 69, 96, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

footer p {
    margin-bottom: 16px;
    line-height: 1.8;
    font-size: 14px;
}

footer a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

footer a:hover {
    color: var(--color-accent-light);
}

/* Admin Styles - Enhanced Dashboard */
.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 48px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--color-border-light);
}

.admin-header h2 {
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

.header-actions {
    display: flex;
    gap: 12px;
}

.admin-section {
    margin-bottom: 48px;
    background: var(--color-bg-light);
    padding: 36px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border-light);
}

.admin-section h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 28px;
    color: var(--color-primary);
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    gap: 12px;
}

.admin-section h3::before {
    content: '';
    width: 4px;
    height: 20px;
    background: var(--gradient-accent);
    border-radius: var(--radius-full);
}

/* Stats - Premium Cards */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.stat-box {
    background: var(--gradient-primary);
    padding: 32px;
    text-align: center;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    color: white;
    position: relative;
    overflow: hidden;
}

.stat-box::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    transition: var(--transition);
}

.stat-box:nth-child(2) {
    background: var(--gradient-accent);
}

.stat-box:nth-child(3) {
    background: var(--gradient-blue);
}

.stat-box:nth-child(4) {
    background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
}

.stat-box:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.stat-value {
    font-size: 52px;
    font-weight: 800;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
    line-height: 1;
}

.stat-label {
    font-size: 12px;
    font-weight: 600;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.admin-events-list,
.bookings-list {
    list-style: none;
    display: grid;
    gap: 16px;
}

.admin-event-item,
.booking-item {
    border: 1px solid var(--color-border-light);
    padding: 24px;
    background: var(--color-bg-light);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.admin-event-item:hover,
.booking-item:hover {
    border-color: var(--color-border);
    box-shadow: var(--shadow-sm);
    transform: translateX(4px);
}

.item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
    gap: 20px;
}

.item-title h4 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--color-primary);
}

.item-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.btn-small {
    padding: 8px 16px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid var(--color-border);
    background: var(--color-bg-light);
    color: var(--color-text);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.btn-small:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    transform: translateY(-1px);
}

.btn-danger {
    border-color: rgba(239, 68, 68, 0.3);
    color: var(--color-danger);
}

.btn-danger:hover {
    background: var(--color-danger);
    color: white;
    border-color: var(--color-danger);
}

.item-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    font-size: 14px;
    padding: 20px;
    background: var(--color-bg-gray);
    border-radius: var(--radius-sm);
}

.detail-item strong {
    display: block;
    font-weight: 600;
    margin-bottom: 4px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
}

.detail-item span {
    color: var(--color-text);
    font-weight: 500;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }

    main {
        padding: 40px 16px;
    }

    .page-title h2 {
        font-size: 32px;
    }

    .header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    header nav {
        width: 100%;
        gap: 16px;
        flex-wrap: wrap;
    }

    .filters {
        flex-direction: column;
        align-items: stretch;
        padding: 24px;
    }

    .filters label {
        flex-direction: column;
        align-items: flex-start;
    }

    .filters select {
        width: 100%;
    }

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

    .event-header {
        flex-direction: column;
    }

    .event-actions {
        width: 100%;
        justify-content: flex-start;
        flex-direction: column;
        align-items: stretch;
    }

    .event-actions button,
    .event-actions .event-status {
        width: 100%;
        justify-content: center;
    }

    .admin-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }

    .header-actions {
        width: 100%;
        flex-direction: column;
    }

    .header-actions button {
        width: 100%;
    }

    .admin-section {
        padding: 24px;
    }

    .item-header {
        flex-direction: column;
    }

    .item-actions {
        width: 100%;
    }

    .item-actions button {
        flex: 1;
    }

    .modal-content {
        padding: 32px 24px;
        margin: 16px;
        border-radius: var(--radius-lg);
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions button {
        width: 100%;
    }

    .stats {
        grid-template-columns: 1fr 1fr;
    }

    .stat-value {
        font-size: 36px;
    }
}

/* Animations */
@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* jQuery UI Datepicker - Premium Style */
.ui-datepicker {
    background: var(--color-bg-light) !important;
    border: none !important;
    border-radius: var(--radius-lg) !important;
    padding: 28px !important;
    font-family: var(--font-body) !important;
    box-shadow: var(--shadow-lg) !important;
    width: 100% !important;
    max-width: 380px !important;
    margin: 0 auto !important;
}

.ui-datepicker-header {
    background: transparent !important;
    border: none !important;
    padding: 0 0 24px 0 !important;
}

.ui-datepicker-title {
    font-family: var(--font-body) !important;
    font-size: 18px !important;
    font-weight: 700 !important;
    color: var(--color-primary) !important;
    text-transform: capitalize !important;
    letter-spacing: -0.01em !important;
}

.ui-datepicker-prev,
.ui-datepicker-next {
    top: 2px !important;
    cursor: pointer !important;
    border-radius: var(--radius-full) !important;
    width: 36px !important;
    height: 36px !important;
    background: var(--color-bg-gray) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    transition: var(--transition) !important;
}

.ui-datepicker-prev:hover,
.ui-datepicker-next:hover {
    background: var(--color-bg-dark) !important;
}

.ui-datepicker-prev span,
.ui-datepicker-next span {
    display: none !important;
}

.ui-datepicker-prev::after {
    content: "❮";
    font-size: 14px;
    color: var(--color-text);
}

.ui-datepicker-next::after {
    content: "❯";
    font-size: 14px;
    color: var(--color-text);
}

.ui-datepicker-prev {
    left: 8px !important;
}

.ui-datepicker-next {
    right: 8px !important;
}

.ui-datepicker-calendar th {
    font-weight: 600 !important;
    color: var(--color-text-muted) !important;
    text-transform: uppercase !important;
    font-size: 11px !important;
    padding: 12px 0 !important;
    letter-spacing: 0.1em !important;
}

.ui-datepicker-calendar td {
    padding: 4px !important;
}

.ui-state-default,
.ui-widget-content .ui-state-default {
    background: transparent !important;
    border: none !important;
    color: var(--color-text) !important;
    text-align: center !important;
    padding: 12px !important;
    font-weight: 600 !important;
    border-radius: var(--radius-sm) !important;
    transition: var(--transition) !important;
    width: 40px !important;
    height: 40px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    margin: 0 auto !important;
    font-size: 14px !important;
}

.ui-state-default:hover {
    background: var(--color-bg-gray) !important;
    color: var(--color-accent) !important;
}

.ui-state-active,
.ui-widget-content .ui-state-active {
    background: var(--gradient-accent) !important;
    color: white !important;
    font-weight: 700 !important;
    box-shadow: var(--shadow-accent) !important;
}

.ui-state-highlight,
.ui-widget-content .ui-state-highlight {
    background: rgba(233, 69, 96, 0.1) !important;
    color: var(--color-accent) !important;
    border: 2px solid var(--color-accent) !important;
}

.ui-datepicker-unselectable .ui-state-default {
    background: transparent !important;
    color: var(--color-text-muted) !important;
    opacity: 0.4 !important;
}

.loading {
    animation: pulse 2s ease-in-out infinite;
}

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

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

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

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

/* Print */
@media print {

    header nav,
    .filters,
    .event-actions,
    .item-actions,
    .form-actions,
    footer a,
    .admin-header button {
        display: none;
    }

    .event-card,
    .admin-event-item,
    .booking-item {
        border: 1px solid #ddd;
        page-break-inside: avoid;
    }

    body {
        background: white;
    }

    body::before {
        display: none;
    }
}

/* Laboratory List & Cards - Premium Design */
.lab-list-container {
    display: flex;
    flex-direction: column;
    gap: 28px;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px 0;
}

.lab-card {
    background: var(--color-bg-light);
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04), 0 1px 3px rgba(0, 0, 0, 0.03);
    display: flex;
    flex-direction: column;
    gap: 20px;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border: 1px solid rgba(226, 232, 240, 0.6);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.lab-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-musica), var(--color-success));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.lab-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(233, 69, 96, 0.03) 0%, transparent 40%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.lab-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(233, 69, 96, 0.12), 0 8px 16px rgba(0, 0, 0, 0.08);
    border-color: rgba(233, 69, 96, 0.2);
}

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

.lab-card:hover::after {
    opacity: 1;
}

.lab-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--color-border-light);
    margin-bottom: 16px;
}

.lab-title-group {
    flex: 1;
}

.lab-type {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 8px;
}

.lab-type::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
}

.lab-title {
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 700;
    color: var(--color-primary);
    margin: 0;
    line-height: 1.3;
}

.lab-duration {
    font-size: 14px;
    color: var(--color-text-light);
    margin-top: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.btn-book {
    background: linear-gradient(135deg, #e94560 0%, #ff6b8a 50%, #e94560 100%);
    background-size: 200% 200%;
    color: white;
    border: none;
    padding: 16px 32px;
    border-radius: var(--radius-full);
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.1em;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 8px 25px rgba(233, 69, 96, 0.35);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn-book::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

.btn-book:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 15px 40px rgba(233, 69, 96, 0.45);
    background-position: 100% 50%;
}

.btn-book:hover::before {
    left: 100%;
}

.btn-book:active {
    transform: translateY(-2px) scale(1);
}

.lab-description {
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-text-light);
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    max-height: 4.5em;
    transition: all 0.3s ease;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.lab-description.expanded {
    -webkit-line-clamp: unset;
    line-clamp: unset;
    max-height: none;
}

.lab-image-container {
    margin-top: 8px;
}

.lab-image-label {
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-accent);
    padding: 8px 16px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    cursor: pointer;
    background: rgba(233, 69, 96, 0.08);
    border-radius: var(--radius-full);
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.lab-image-label:hover {
    background: rgba(233, 69, 96, 0.15);
    border-color: rgba(233, 69, 96, 0.2);
    transform: translateY(-2px);
}

.lab-image-label::after {
    content: '↓';
    font-size: 12px;
    transition: transform 0.3s ease;
}

.lab-image-label.expanded::after {
    transform: rotate(180deg);
}

.lab-image {
    max-width: 200px;
    height: auto;
    border-radius: var(--radius-sm);
    display: block;
    box-shadow: var(--shadow-sm);
}

/* Back Button */
#back-to-list {
    background: var(--color-bg-light);
    border: 2px solid var(--color-border);
    color: var(--color-text);
    padding: 12px 24px;
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

#back-to-list:hover {
    background: var(--color-bg-gray);
    border-color: var(--color-text-muted);
    transform: translateX(-6px);
    box-shadow: var(--shadow-md);
}

/* Time Selection Modal Styles */
.time-slot-list {
    list-style: none;
    padding: 0;
    margin: 20px 0 0;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
}

.time-slot-item {
    flex: 0 0 auto;
}

.btn-time {
    padding: 20px 36px;
    background: linear-gradient(145deg, #ffffff, #f8f9fc);
    border: 2px solid var(--color-border);
    color: var(--color-text);
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
    min-width: 160px;
}

.btn-time:hover {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: white;
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(26, 26, 46, 0.25);
}

/* Alert Boxes */
.alert-warning {
    background: var(--color-warning-light);
    color: #92400e;
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 24px;
    font-size: 14px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    border-left: 4px solid var(--color-warning);
}

.alert-warning::before {
    content: '⚠️';
    flex-shrink: 0;
}

/* Selection */
::selection {
    background: rgba(233, 69, 96, 0.2);
    color: var(--color-primary);
}

/* Focus Visible */
:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 400px;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px 20px;
    border-radius: var(--radius-md);
    background: var(--color-bg-light);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15), 0 4px 12px rgba(0, 0, 0, 0.1);
    border-left: 4px solid var(--color-primary);
    animation: toastSlideIn 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    pointer-events: auto;
    backdrop-filter: blur(10px);
}

.toast.toast-success {
    border-left-color: var(--color-success);
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
}

.toast.toast-error {
    border-left-color: var(--color-danger);
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
}

.toast.toast-warning {
    border-left-color: var(--color-warning);
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
}

.toast.toast-info {
    border-left-color: var(--color-musica);
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
}

.toast-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.toast-content {
    flex: 1;
    min-width: 0;
}

.toast-title {
    font-weight: 600;
    color: var(--color-text);
    font-size: 14px;
    margin-bottom: 2px;
}

.toast-message {
    color: var(--color-text-light);
    font-size: 13px;
    line-height: 1.4;
    word-wrap: break-word;
}

.toast-close {
    flex-shrink: 0;
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 4px;
    font-size: 18px;
    line-height: 1;
    opacity: 0.6;
    transition: opacity 0.2s;
}

.toast-close:hover {
    opacity: 1;
}

.toast.toast-exit {
    animation: toastSlideOut 0.3s ease-in forwards;
}

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateX(100%) scale(0.9);
    }

    to {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

@keyframes toastSlideOut {
    from {
        opacity: 1;
        transform: translateX(0) scale(1);
    }

    to {
        opacity: 0;
        transform: translateX(100%) scale(0.9);
    }
}

@media (max-width: 480px) {
    .toast-container {
        left: 10px;
        right: 10px;
        top: 10px;
        max-width: none;
    }
}