:root {
    /* Color Palette - Sleek Dark Mode with Neon Accents */
    --bg-dark: #0f1115;
    --bg-panel: #1a1d24;
    --bg-panel-glass: rgba(26, 29, 36, 0.6);
    
    --accent-blue: #00e5ff;
    --accent-blue-hover: #00b3cc;
    --accent-coral: #ff5252;
    --accent-coral-hover: #ff1744;
    --accent-green: #00e676;
    
    --text-main: #ffffff;
    --text-muted: #9ca3af;
    
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-glass: rgba(255, 255, 255, 0.1);
    
    --shadow-neon: 0 0 15px rgba(0, 229, 255, 0.3);
    --shadow-soft: 0 10px 30px rgba(0,0,0,0.5);
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2.5rem;
    --spacing-xxl: 4rem;

    --border-radius: 16px;
    --border-radius-sm: 8px;
    --border-radius-pill: 50px;
    
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html, body {
    margin: 0;
    padding: 0;
    font-family: var(--font-primary);
    background: var(--bg-dark);
    color: var(--text-main);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    width: 100vw;
}

body {
    min-height: 100vh;
}

/* Background Effects */
body::before {
    content: '';
    position: fixed;
    top: -20%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(0, 229, 255, 0.05) 0%, rgba(15, 17, 21, 0) 70%);
    z-index: -1;
}

body::after {
    content: '';
    position: fixed;
    bottom: -20%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(255, 82, 82, 0.03) 0%, rgba(15, 17, 21, 0) 70%);
    z-index: -1;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

.text-gradient {
    background: linear-gradient(135deg, var(--text-main), var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-accent {
    color: var(--accent-blue);
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg) 5%;
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-panel-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-glass);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    cursor: pointer;
}

.logo-split {
    color: var(--text-main);
}

.logo-crew {
    color: var(--accent-blue);
}

/* Buttons */
.btn {
    padding: 0.6rem 1.2rem;
    border-radius: var(--border-radius-pill);
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    outline: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--accent-blue);
    color: var(--bg-dark);
    box-shadow: 0 4px 15px rgba(0, 229, 255, 0.2);
}

.btn-primary:hover {
    background: var(--accent-blue-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 229, 255, 0.4);
}

.btn-ghost {
    background: transparent;
    color: var(--text-muted);
}

.btn-ghost:hover {
    color: var(--text-main);
    background: rgba(255,255,255,0.05);
}

.btn-large {
    width: 100%;
    padding: 1rem;
    font-size: 1.1rem;
}

/* App Container */
#app-container {
    padding: var(--spacing-xl) 5%;
    max-width: 1200px;
    margin: 0 auto;
    animation: fadeIn 0.5s ease;
}

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

/* Glassmorphism Panel */
.glass-panel {
    background: var(--bg-panel-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
}

/* Discovery Feed */
.discovery-header {
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.discovery-header h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.discovery-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.feed-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

/* Opportunity Card */
.opp-card {
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition-smooth);
    cursor: pointer;
    position: relative;
}

.opp-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.6);
    border-color: rgba(255,255,255,0.2);
}

.opp-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    transition: var(--transition-smooth);
}

.opp-card:hover .opp-image {
    transform: scale(1.05);
}

.opp-image-container {
    position: relative;
    overflow: hidden;
}

.opp-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(8px);
    padding: 0.3rem 0.8rem;
    border-radius: var(--border-radius-pill);
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid var(--border-glass);
}

.opp-badge-transport { color: var(--accent-blue); }
.opp-badge-villa { color: var(--accent-coral); }
.opp-badge-activity { color: var(--accent-green); }

.opp-content {
    padding: var(--spacing-lg);
    position: relative;
    z-index: 2;
    background: var(--bg-panel);
}

.opp-title {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
}

.opp-route {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

.opp-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-subtle);
}

.crew-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.crew-avatars {
    display: flex;
}

.avatar-mini {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid var(--bg-panel);
    margin-left: -8px;
    object-fit: cover;
}
.avatar-mini:first-child { margin-left: 0; }

.price-box {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.price-split {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--accent-blue);
}

.price-solo {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-decoration: line-through;
}

/* Affinity View (Crew Check) */
.affinity-view {
    max-width: 800px;
    margin: 0 auto;
}

.affinity-hero {
    height: 300px;
    border-radius: var(--border-radius);
    background-size: cover;
    background-position: center;
    position: relative;
    margin-bottom: var(--spacing-xl);
    overflow: hidden;
}

.affinity-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(to top, var(--bg-dark), transparent);
}

.affinity-title-container {
    position: absolute;
    bottom: var(--spacing-lg);
    left: var(--spacing-lg);
    z-index: 10;
}

.affinity-title {
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
}

.affinity-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
}

.section-title {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.host-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.avatar-large {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent-blue);
    padding: 2px;
}

.host-info h3 {
    font-size: 1.2rem;
    margin-bottom: 0.2rem;
}

.host-meta {
    color: var(--text-muted);
    font-size: 0.9rem;
    display: flex;
    gap: var(--spacing-sm);
}

.crew-members {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.crew-member {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: rgba(255,255,255,0.03);
    border-radius: var(--border-radius-sm);
}

.avatar-medium {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.summary-card {
    padding: var(--spacing-lg);
    position: sticky;
    top: 100px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
    font-size: 0.95rem;
}
.summary-total {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-subtle);
    font-size: 1.2rem;
    font-weight: 700;
}

.trust-badge {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: rgba(0, 229, 255, 0.05);
    border-radius: var(--border-radius-sm);
    border: 1px solid rgba(0, 229, 255, 0.1);
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: center;
}

/* Checkout View */
.checkout-view {
    max-width: 500px;
    margin: 40px auto;
    text-align: center;
}

.checkout-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.checkout-title {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.checkout-desc {
    color: var(--text-muted);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.fee-box {
    background: rgba(0,0,0,0.3);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-xl);
    border: 1px solid var(--border-subtle);
}

.fee-amount {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-main);
}

.fee-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.unlocked-state {
    display: none; /* toggled via JS */
    animation: fadeIn 0.5s ease;
}

.whatsapp-btn {
    background: #25D366;
    color: white;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.whatsapp-btn:hover {
    background: #128C7E;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

/* Create Form */
.create-view {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 1rem;
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius-sm);
    color: var(--text-main);
    font-family: var(--font-primary);
    transition: var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(0, 229, 255, 0.2);
}

.type-selector {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.type-btn {
    flex: 1;
    padding: 1rem;
    border-radius: var(--border-radius-sm);
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-fast);
}

.type-btn.active {
    background: rgba(0, 229, 255, 0.1);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

@media (max-width: 768px) {
    /* Layout */
    .affinity-grid {
        grid-template-columns: 1fr;
    }
    .feed-grid {
        grid-template-columns: 1fr;
    }
    
    /* Navbar */
    .navbar {
        flex-direction: column;
        padding: var(--spacing-md) 5%;
        gap: var(--spacing-sm);
    }
    .nav-links {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
        gap: 10px !important;
    }
    #auth-section, #user-profile {
        margin-left: 0 !important;
        padding-left: 0 !important;
        border-left: none !important;
    }
    
    /* Containers & Spacing */
    #app-container {
        padding: var(--spacing-md) 5%;
    }
    
    /* Typography */
    .discovery-header h1 {
        font-size: 2rem;
    }
    .affinity-title {
        font-size: 1.8rem;
    }
    
    /* Forms */
    .type-selector {
        flex-direction: column;
    }
    .form-group[style*="flex:1"] {
        flex: none !important;
        width: 100% !important;
    }
    div[style*="display:flex; gap: var(--spacing-md)"] {
        flex-wrap: wrap;
    }
    
    /* Buttons */
    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
    
    /* Map & Popups */
    .leaflet-popup-content {
        width: 180px !important;
    }
}

/* Simulated Stripe Modal */
.stripe-modal-overlay {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.stripe-modal {
    background: #ffffff;
    color: #333333;
    border-radius: 8px;
    width: 100%;
    max-width: 400px;
    padding: 24px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    position: relative;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.stripe-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.stripe-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 500;
}

.stripe-close {
    background: none;
    border: none;
    font-size: 20px;
    color: #999;
    cursor: pointer;
}

.stripe-input-group {
    margin-bottom: 15px;
}

.stripe-input-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 5px;
    color: #30313d;
}

.stripe-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #e6e6e6;
    border-radius: 5px;
    font-size: 15px;
    transition: border-color 0.15s ease;
}

.stripe-input:focus {
    outline: none;
    border-color: #0074d4;
    box-shadow: 0 0 0 1px #0074d4;
}

.stripe-row {
    display: flex;
    gap: 10px;
}

.stripe-pay-btn {
    width: 100%;
    background: #0074d4;
    color: white;
    border: none;
    padding: 12px;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    margin-top: 10px;
    transition: background 0.15s ease;
}

.stripe-pay-btn:hover {
    background: #0060b0;
}

.stripe-pay-btn:disabled {
    background: #99c8f1;
    cursor: not-allowed;
}

/* --- Landing Page --- */
.landing-view {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.hero-section {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    margin-top: 40px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: var(--text-light);
    margin-top: 40px;
}

.hero-title .highlight {
    color: var(--accent-coral);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl) auto;
    line-height: 1.5;
}

.hero-cta {
    font-size: 1.2rem;
    padding: 15px 40px;
    border-radius: 30px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0, 240, 255, 0.4); }
    70% { transform: scale(1.05); box-shadow: 0 0 0 15px rgba(0, 240, 255, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0, 240, 255, 0); }
}

.how-it-works {
    padding: var(--spacing-xl) var(--spacing-md);
    background: rgba(255,255,255,0.02);
    border-top: 1px solid var(--glass-border);
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: var(--spacing-xl);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.step-card {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.step-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    background: var(--glass-bg);
    width: 80px; height: 80px;
    border-radius: 50%;
    display: flex; justify-content: center; align-items: center;
    border: 1px solid var(--glass-border);
}

.step-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-light);
}

.step-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

.landing-footer {
    text-align: center;
    padding: var(--spacing-xl);
    margin-top: auto;
    border-top: 1px solid var(--glass-border);
}

/* Autocomplete Dropdown */
.autocomplete-wrapper {
    position: relative;
    flex: 1;
}

.autocomplete-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-panel);
    border: 1px solid var(--accent-blue);
    border-radius: var(--border-radius-sm);
    margin-top: 4px;
    z-index: 1000;
    max-height: 200px;
    overflow-y: auto;
    box-shadow: var(--shadow-soft);
    display: none;
}

.autocomplete-item {
    padding: 10px 15px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-subtle);
    transition: var(--transition-fast);
}

.autocomplete-item:last-child {
    border-bottom: none;
}

.autocomplete-item:hover {
    background: rgba(0, 229, 255, 0.1);
    color: var(--text-main);
}

/* Map Price Pills (Airbnb style) */
.custom-map-pill-wrapper {
    background: transparent !important;
    border: none !important;
}

.map-price-pill {
    background: white;
    color: #1a1a1a;
    font-weight: 700;
    font-family: 'Inter', sans-serif;
    padding: 6px 12px;
    border-radius: 20px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    font-size: 0.9rem;
    transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275), background 0.2s, color 0.2s;
    white-space: nowrap;
    border: 1px solid rgba(0,0,0,0.1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.map-price-pill:hover {
    background: var(--text-main);
    color: #1a1a1a;
    transform: scale(1.15);
    z-index: 1000 !important;
}

/* Mini card in popup */
.leaflet-popup-content-wrapper {
    background: var(--bg-panel);
    color: var(--text-main);
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 24px rgba(0,0,0,0.5);
    padding: 0;
    overflow: hidden;
}
.leaflet-popup-content {
    margin: 0;
    width: 200px !important;
}
.leaflet-popup-tip {
    background: var(--bg-panel);
    border: 1px solid var(--glass-border);
}

.profile-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 768px) {
    .profile-grid {
        grid-template-columns: 1fr;
    }
}