:root {
    /* Color Palette - Premium Travel Vibe */
    --bg-primary: #fdfaf7;
    --bg-secondary: #f4eee7;
    --surface: rgba(255, 255, 255, 0.75);
    --surface-solid: #ffffff;
    --text-primary: #1a1e21;
    --text-secondary: #4a545a;
    --accent: #d46a43; /* Warm Terracotta */
    --accent-dark: #b85430;
    --accent-light: rgba(212, 106, 67, 0.1);
    --border: rgba(26, 30, 33, 0.08);
    --shadow: 0 20px 50px rgba(0, 0, 0, 0.05);
    
    /* Typography */
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Plus Jakarta Sans', sans-serif;
}

[data-theme="dark"] {
    --bg-primary: #0f1418;
    --bg-secondary: #171d23;
    --surface: rgba(23, 29, 35, 0.8);
    --surface-solid: #1c242c;
    --text-primary: #e6ebef;
    --text-secondary: #94a1ab;
    --accent: #f28c5e;
    --accent-dark: #ffad82;
    --accent-light: rgba(242, 140, 94, 0.15);
    --border: rgba(230, 235, 239, 0.1);
    --shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(212, 106, 67, 0.03) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(73, 157, 157, 0.03) 0%, transparent 20%);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background 0.4s ease, color 0.4s ease;
    overflow-x: hidden;
}

.page-shell {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 24px;
}

/* Header & Hero */
.hero {
    position: relative;
    padding: 60px;
    border-radius: 40px;
    background: var(--surface);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    margin-bottom: 80px;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 60px;
}

.eyebrow {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 8px;
}

.brand-name {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 800;
}

.theme-toggle {
    background: var(--surface-solid);
    border: 1px solid var(--border);
    padding: 10px 24px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

/* Hero Content */
.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.hero-headline {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 5vw, 4.2rem);
    line-height: 1.1;
    margin-bottom: 24px;
}

.lead {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 40ch;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.hero-stats strong {
    display: block;
    font-family: var(--font-serif);
    font-size: 2.2rem;
    line-height: 1;
    margin-bottom: 4px;
}

.hero-stats span {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
}

/* Control Panel */
.control-panel {
    background: var(--surface-solid);
    padding: 40px;
    border-radius: 30px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.panel-header {
    margin-bottom: 30px;
}

.panel-header p {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 4px;
}

.panel-header h3 {
    font-family: var(--font-serif);
    font-size: 1.8rem;
}

.filters {
    display: grid;
    gap: 20px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.input-group label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-secondary);
}

select {
    width: 100%;
    padding: 14px 18px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.95rem;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 18px center;
    cursor: pointer;
}

#generate-btn {
    margin-top: 10px;
    padding: 18px;
    border-radius: 14px;
    border: none;
    background: var(--text-primary);
    color: var(--bg-primary);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

#generate-btn:hover {
    background: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 15px 30px var(--accent-light);
}

/* Results Section */
.results-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 40px;
}

.section-kicker {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 4px;
}

.results-header h2 {
    font-family: var(--font-serif);
    font-size: 2.5rem;
}

.summary-text {
    color: var(--text-secondary);
    font-size: 1rem;
    max-width: 40ch;
    text-align: right;
}

.recommendations {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.recommendation-card {
    background: var(--surface-solid);
    border-radius: 32px;
    padding: 40px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s forwards;
}

.recommendation-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
}

.card-rank {
    display: inline-block;
    padding: 6px 14px;
    background: var(--accent-light);
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: 800;
    border-radius: 100px;
    margin-bottom: 20px;
}

.recommendation-card h3 {
    font-family: var(--font-serif);
    font-size: 2rem;
    margin-bottom: 8px;
}

.location {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 24px;
}

.description {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 30px;
    line-height: 1.7;
}

.meta, .tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.meta span, .tags span {
    padding: 6px 14px;
    background: var(--bg-secondary);
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 600;
}

.tags {
    margin-top: 12px;
}

.tags span {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
}

/* Review Section */
.review-section {
    margin-top: 100px;
    padding: 60px;
    background: var(--bg-secondary);
    border-radius: 40px;
    border: 1px solid var(--border);
}

.review-section .header-text {
    text-align: center;
    margin-bottom: 40px;
}

.review-section h2 {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--surface-solid);
    padding: 40px;
    border-radius: 30px;
    box-shadow: var(--shadow);
}

.review-form {
    display: flex;
    flex-direction: column;
}

.form-type-toggle {
    display: flex;
    gap: 12px;
    margin-bottom: 30px;
    background: var(--bg-primary);
    padding: 8px;
    border-radius: 16px;
    border: 1px solid var(--border);
}

.toggle-option {
    flex: 1;
    cursor: pointer;
}

.toggle-option input {
    display: none;
}

.toggle-label {
    display: block;
    text-align: center;
    padding: 12px;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.toggle-option input:checked + .toggle-label {
    background: var(--surface-solid);
    color: var(--accent);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

.input-group.full-width {
    grid-column: span 2;
}

.review-form input,
.review-form select,
.review-form textarea {
    width: 100%;
    padding: 16px 20px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 12px;
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.review-form input:focus,
.review-form select:focus,
.review-form textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-light);
}

.review-form label {
    display: block;
    margin-bottom: 10px;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

.submit-btn {
    width: 100%;
    background: var(--accent);
    color: white;
    border: none;
    padding: 18px;
    border-radius: 16px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 20px rgba(212, 106, 67, 0.2);
    margin-top: 24px;
}

.submit-btn:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 15px 25px rgba(212, 106, 67, 0.3);
}

/* Footer */
.footer {
    margin-top: 100px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

/* Responsive */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .recommendations {
        grid-template-columns: repeat(2, 1fr);
    }
    .review-section {
        padding: 40px 30px;
    }
    .form-grid {
        grid-template-columns: 1fr;
    }
    .input-group.full-width {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 40px 30px;
    }
    .results-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    .summary-text {
        text-align: left;
    }
    .recommendations {
        grid-template-columns: 1fr;
    }
}