/* Airbnb Design System - 2026 */
:root {
    /* Primary Colors */
    --rausch: #ff385c;
    --deep-rausch: #e00b41;
    --plus-magenta: #92174d;
    --luxe-purple: #460479;
    --info-blue: #428bff;
    
    /* Surface & Background */
    --canvas-white: #ffffff;
    --soft-cloud: #f7f7f7;
    --hairline-gray: #dddddd;
    
    /* Neutrals & Text */
    --ink-black: #222222;
    --charcoal: #3f3f3f;
    --ash-gray: #6a6a6a;
    --mute-gray: #929292;
    --stone-gray: #c1c1c1;
    
    /* Semantic */
    --error-red: #c13515;
    --deep-error: #b32505;
    
    /* Legacy support */
    --black: #222222;
    --white: #ffffff;
    --gray-50: #f7f7f7;
    --gray-100: #f7f7f7;
    --gray-200: #dddddd;
    --gray-300: #c1c1c1;
    --gray-400: #929292;
    --gray-500: #6a6a6a;
    --gray-600: #3f3f3f;
    --gray-700: #222222;
    --gray-800: #222222;
    --gray-900: #222222;
    
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Airbnb Cereal VF', Circular, -apple-system, system-ui, Roboto, 'Helvetica Neue', sans-serif;
    background: var(--canvas-white);
    color: var(--ink-black);
    overflow-x: hidden;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.6;
    font-weight: 500;
}

html {
    scroll-behavior: smooth;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Premium Card Design - Airbnb Style */
.listing-card {
    background: var(--canvas-white);
    border-radius: 14px;
    overflow: hidden;
    transition: var(--transition);
    border: none;
    margin-bottom: 2rem;
}

.listing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.card-img-top {
    width: 100%;
    height: 320px;
    object-fit: cover;
    transition: var(--transition);
    border-radius: 14px;
}

.listing-card:hover .card-img-top {
    transform: scale(1.02);
}

.card-body {
    padding: 0.75rem 0;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--ink-black);
    margin-bottom: 0.25rem;
    letter-spacing: -0.18px;
}

.card-text {
    color: var(--ash-gray);
    font-size: 0.875rem;
    line-height: 1.43;
}

.card-text strong {
    color: var(--ink-black);
    font-weight: 600;
}

.listing-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

/* Premium Buttons - Airbnb Style */
.btn {
    border-radius: 8px;
    padding: 0.875rem 1.5rem;
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    letter-spacing: 0;
}

.btn-primary, .add-btn, .edit-btn {
    background: var(--rausch);
    color: var(--canvas-white);
    border: 1px solid var(--rausch);
}

.btn-primary:hover, .add-btn:hover, .edit-btn:hover {
    background: var(--deep-rausch);
    transform: scale(0.92);
    box-shadow: 0 0 0 2px var(--ink-black);
    color: var(--canvas-white);
}

.btn-secondary, .btn-outline-dark {
    background: transparent;
    color: var(--ink-black);
    border: 1px solid var(--hairline-gray);
    border-radius: 20px;
}

.btn-secondary:hover, .btn-outline-dark:hover {
    background: var(--soft-cloud);
    border-color: var(--ink-black);
    color: var(--ink-black);
}

.btn-dark {
    background: var(--ink-black);
    color: var(--canvas-white);
}

.btn-dark:hover {
    background: var(--charcoal);
    color: var(--canvas-white);
}

/* Forms - Minimal Glass Effect */
.form-control {
    background: rgba(0, 0, 0, 0.02);
    border: 1px solid var(--gray-300);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    color: var(--black);
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    background: var(--white);
    border-color: var(--black);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
}

.form-control::placeholder {
    color: var(--gray-400);
}

.form-label {
    color: var(--black);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    letter-spacing: -0.2px;
}

/* Grid Layout */
.row {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

/* Premium Badge */
.premium-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--black);
    color: var(--white);
    padding: 0.4rem 1rem;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 10;
}

/* Favorite Button - Minimal */
.favorite-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10;
}

.favorite-btn:hover {
    background: var(--white);
    transform: scale(1.1);
    border-color: var(--black);
}

.favorite-btn i {
    color: var(--black);
    font-size: 1rem;
}

.favorite-btn.active {
    background: var(--black);
}

.favorite-btn.active i {
    color: var(--white);
}

/* Price Badge - Glass Effect */
.price-badge {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 10px;
    font-weight: 600;
    color: var(--black);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    z-index: 10;
    border: 1px solid rgba(0, 0, 0, 0.08);
}

/* Scroll to Top - Minimal */
.scroll-top-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--black);
    color: var(--white);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: 999;
}

.scroll-top-btn.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

/* Loading Skeleton - Minimal */
.skeleton {
    background: linear-gradient(90deg, var(--gray-100) 25%, var(--gray-200) 50%, var(--gray-100) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s ease-in-out infinite;
    border-radius: 20px;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Toast Notifications - Minimal */
.toast-container {
    position: fixed;
    top: 6rem;
    right: 2rem;
    z-index: 9999;
}

.premium-toast {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    display: flex;
    align-items: center;
    gap: 1rem;
    min-width: 300px;
    animation: slideIn 0.3s ease;
    margin-bottom: 1rem;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Filter Bar - Minimal */
.filter-bar {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.filter-bar::-webkit-scrollbar {
    height: 4px;
}

.filter-bar::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 2px;
}

.filter-chip {
    background: transparent;
    border: 1px solid var(--gray-300);
    border-radius: 12px;
    padding: 0.6rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    color: var(--black);
}

.filter-chip:hover {
    background: var(--gray-100);
    border-color: var(--black);
}

.filter-chip.active {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
}

/* Stats Card - Glass Effect */
.stats-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 16px;
    padding: 2rem;
    transition: var(--transition);
}

.stats-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
    border-color: var(--black);
}

.stats-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 0.5rem;
    letter-spacing: -1px;
}

.stats-label {
    color: var(--gray-600);
    font-size: 0.9rem;
}

/* Amenities Grid */
.amenities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.amenity-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--gray-50);
    border-radius: 12px;
    transition: var(--transition);
    border: 1px solid transparent;
}

.amenity-item:hover {
    background: var(--white);
    border-color: var(--black);
    transform: translateX(4px);
}

.amenity-item i {
    font-size: 1.25rem;
    color: var(--black);
}

/* Responsive */
@media (max-width: 1024px) {
    .container {
        padding: 0 1.5rem;
    }

    .row {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 1.5rem;
    }

    .card-img-top {
        height: 280px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    .row {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .card-img-top {
        height: 240px;
    }

    .scroll-top-btn {
        bottom: 6rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }

    .toast-container {
        right: 1rem;
        left: 1rem;
    }

    .premium-toast {
        min-width: auto;
    }
}

@media (max-width: 640px) {
    .card-img-top {
        height: 220px;
    }

    .btn {
        padding: 0.65rem 1.5rem;
        font-size: 0.9rem;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.listing-card {
    animation: fadeIn 0.5s ease forwards;
}

/* Selection */
::selection {
    background: var(--black);
    color: var(--white);
}

::-moz-selection {
    background: var(--black);
    color: var(--white);
}

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