:root {
    --primary: #D4AF37;
    /* Gold */
    --primary-dark: #AA8C2C;
    --secondary: #1A1A1A;
    /* Dark Grey/Black */
    --bg-light: #FAFAFA;
    /* Off-white */
    --bg-white: #FFFFFF;
    --text-main: #333333;
    --text-light: #666666;
    --accent: #F3E5AB;
    /* Vanilla */

    --font-heading: 'Playfair Display', serif;
    --font-body: 'Outfit', sans-serif;

    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --radius-md: 0.5rem;
    --radius-lg: 1rem;

    --container-width: 1200px;
    --nav-height: 80px;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-light);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    color: var(--secondary);
    font-weight: 700;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Navbar */
.navbar {
    height: var(--nav-height);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--secondary);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.logo span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-btn {
    background: none;
    border: none;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-main);
    cursor: pointer;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-btn:hover {
    color: var(--primary);
}

.nav-btn.secondary {
    color: var(--text-light);
    font-size: 0.9rem;
}

.btn-primary {
    background-color: var(--secondary);
    color: var(--primary);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background-color: #000;
}

/* Featured Reservation Button */
.nav-links .btn-primary {
    background-color: var(--primary);
    color: var(--bg-white);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
}

.nav-links .btn-primary:hover {
    background-color: var(--primary-dark);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.6);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

/* Hero Section */
.hero {
    height: calc(100vh - var(--nav-height));
    min-height: 600px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    width: 50%;
    padding-right: 4rem;
    z-index: 2;
    opacity: 0;
    animation: fadeIn 1s ease-out forwards;
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-image {
    position: absolute;
    right: 0;
    top: 0;
    width: 45%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
    border-bottom-left-radius: 80px;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

/* Services */
.section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent);
}

.service-icon {
    width: 48px;
    height: 48px;
    background: var(--accent);
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    margin-bottom: 1.5rem;
}

/* Booking Form */
.booking-container {
    max-width: 600px;
    margin: 0 auto;
    background: var(--bg-white);
    padding: 3rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-input,
.form-select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary);
}

.time-slots {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.time-slot {
    padding: 0.5rem;
    text-align: center;
    border: 1px solid #ddd;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s;
}

.time-slot.selected {
    background-color: var(--primary);
    color: white;
    border-color: var(--primary);
}

.time-slot:hover:not(.selected) {
    background-color: var(--accent);
}

.time-slot.disabled {
    background-color: #f5f5f5;
    color: #a3a3a3;
    cursor: not-allowed;
    border-color: #e5e5e5;
    text-decoration: line-through;
    opacity: 0.7;
}

.time-slot.disabled:hover {
    background-color: #f5f5f5;
    border-color: #e5e5e5;
}

/* Admin Table */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.admin-table th,
.admin-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.admin-table th {
    background: var(--accent);
    color: var(--secondary);
    font-weight: 600;
}

/* Utilities */
.hidden {
    display: none;
}

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

.mb-4 {
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero {
        flex-direction: column-reverse;
        height: auto;
        padding: 4rem 0;
    }

    .hero-content {
        width: 100%;
        padding: 0;
        text-align: center;
    }

    .hero-image {
        position: relative;
        width: 100%;
        height: 300px;
        margin-bottom: 2rem;
        border-radius: var(--radius-lg);
    }

    .hero-title {
        font-size: 2.5rem;
    }
}

/* Modal & Toast Styles (ENH-04) */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: white;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--primary);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 2000;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* Service Detail (ENH-02) */
.detail-header {
    background: var(--secondary);
    color: white;
    padding: 4rem 0;
    margin-bottom: 2rem;
}

.benefit-list {
    list-style: none;
    margin: 1.5rem 0;
}

.benefit-list li {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.benefit-list li::before {
    content: "✓";
    color: var(--primary);
    font-weight: bold;
}

/* Edit Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1500;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.modal-overlay.open {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 500px;
    transform: translateY(20px);
    transition: transform 0.3s;
}

.modal-overlay.open .modal-content {
    transform: translateY(0);
}

/* Login Styles (ENH-10) */
.login-container {
    max-width: 400px;
    margin: 4rem auto;
    padding: 2rem;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.login-header {
    margin-bottom: 2rem;
}

.login-header h2 {
    color: var(--secondary);
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.auth-btn-group {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    justify-content: center;
}

.dashboard-card {
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* UI Enhancements */

/* ENH-12: Secondary Button */
.btn-secondary {
    background-color: transparent;
    color: var(--secondary);
    border: 2px solid var(--secondary);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: none;
    margin-left: 1rem;
    /* Spacing */
}

.btn-secondary:hover {
    background-color: var(--secondary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* ENH-13: WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    transition: all 0.3s ease;
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
    cursor: pointer;
}

/* Move Toast to Center Bottom to avoid overlap */
.toast {
    right: auto;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    bottom: 2rem;
}

/* ENH-15: Service Tabs */
.filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 0.5rem 1.5rem;
    border: none;
    background: transparent;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-light);
    transition: all 0.3s;
    font-family: var(--font-body);
    font-size: 1.1rem;
}

.tab-btn:hover {
    color: var(--primary);
}

.tab-btn.active {
    color: var(--primary-dark);
    border-bottom-color: var(--primary);
}

/* ENH-21: Status Badges */
.status-badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
}

.status-badge.confirmado {
    background: #e6fffa;
    color: #047857;
}

.status-badge.cancelado {
    background: #fee2e2;
    color: #991b1b;
}

.status-badge.completado {
    background: #e0f2fe;
    color: #075985;
}