/* CSS Custom Properties */
:root {
    --primary-bg: #0a0a0f;
    --secondary-bg: #141419;
    --card-bg: #1a1a24;
    --border-color: rgba(255, 255, 255, 0.1);

    --accent-primary: #f59e0b;
    --accent-secondary: #ea580c;
    --accent-gradient: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));

    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);

    --success: #22c55e;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;

    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;

    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;

    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
}

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

/* Base */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--primary-bg);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
}

/* App Container */
.app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--secondary-bg);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header h1 {
    font-size: 1.25rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.header h1 i {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-badge {
    background: var(--accent-gradient);
    color: var(--text-primary);
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.back-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: var(--transition-fast);
}

.back-btn:hover {
    background: var(--accent-primary);
    color: var(--text-primary);
    border-color: var(--accent-primary);
}

/* Main Content */
.main {
    flex: 1;
    padding: var(--spacing-lg);
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

/* Hero */
.hero {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.hero h2 {
    font-size: 2rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.hero p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Filters Bar */
.filters-bar {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--secondary-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.search-box {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    flex: 1;
    min-width: 200px;
}

.search-box i {
    color: var(--text-muted);
}

.search-box input {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 0.875rem;
    width: 100%;
    outline: none;
    padding: 0;
}

.filter-group {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.filter-group select {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.813rem;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition-fast);
    width: auto;
}

.filter-group select:focus {
    border-color: var(--accent-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
}

.view-toggle {
    display: flex;
    gap: 2px;
    background: var(--card-bg);
    border-radius: var(--radius-md);
    padding: 2px;
    border: 1px solid var(--border-color);
}

.view-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 0.875rem;
}

.view-btn.active {
    background: var(--accent-primary);
    color: var(--primary-bg);
}

/* Stats Bar */
.stats-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.sort-control {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.sort-control select {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    padding: 4px 8px;
    font-size: 0.813rem;
    font-family: inherit;
    cursor: pointer;
    width: auto;
}

/* Breed Grid */
.breed-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.breed-grid.list-view {
    grid-template-columns: 1fr;
}

/* Breed Card */
.breed-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-base);
}

.breed-card:hover {
    transform: translateY(-4px);
    border-color: rgba(245, 158, 11, 0.3);
    box-shadow: 0 8px 30px rgba(245, 158, 11, 0.1);
}

.breed-card-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    background: var(--secondary-bg);
    display: block;
}

.breed-card-body {
    padding: var(--spacing-md);
}

.breed-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-sm);
}

.breed-card-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.breed-card-group {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 2px 8px;
    border-radius: 20px;
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-primary);
    white-space: nowrap;
}

.breed-card-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    color: var(--text-muted);
    font-size: 0.8rem;
}

.breed-card-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.breed-card-traits {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.trait-tag {
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

/* List View Card */
.breed-grid.list-view .breed-card {
    display: flex;
    flex-direction: row;
}

.breed-grid.list-view .breed-card-image {
    width: 200px;
    height: 150px;
    flex-shrink: 0;
}

.breed-grid.list-view .breed-card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem var(--spacing-lg);
    color: var(--text-muted);
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.3;
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.empty-state p {
    margin-bottom: var(--spacing-lg);
}

/* Button */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--accent-gradient);
    color: var(--text-primary);
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--secondary-bg);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    max-width: 900px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 1;
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: rgba(0, 0, 0, 0.5);
    border: none;
    color: var(--text-primary);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    transition: var(--transition-fast);
    font-size: 1rem;
}

.modal-close:hover {
    background: var(--accent-primary);
}

.modal-body {
    display: flex;
    flex-direction: column;
}

.modal-image-section {
    width: 100%;
    height: 350px;
    overflow: hidden;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.modal-image-section img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.modal-info-section {
    padding: var(--spacing-xl);
}

.modal-info-section h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.modal-badges {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
}

.modal-badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
}

.badge-group {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-primary);
}

.badge-size {
    background: rgba(59, 130, 246, 0.15);
    color: var(--info);
}

.badge-origin {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success);
}

.modal-description {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    font-size: 0.95rem;
}

.modal-details h4,
.modal-traits h4,
.modal-compatibility h4,
.modal-meters h4 {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
}

/* Detail Grid */
.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.detail-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--card-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.detail-item i {
    color: var(--accent-primary);
    width: 20px;
    text-align: center;
}

.detail-item .detail-label {
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.detail-item .detail-value {
    font-weight: 500;
    font-size: 0.875rem;
}

.detail-item-content {
    display: flex;
    flex-direction: column;
}

/* Traits */
.modal-traits {
    margin-bottom: var(--spacing-xl);
}

.traits-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.trait-badge {
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.825rem;
    font-weight: 500;
    background: rgba(245, 158, 11, 0.1);
    color: var(--accent-primary);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

/* Compatibility */
.modal-compatibility {
    margin-bottom: var(--spacing-xl);
}

.compat-grid {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.compat-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--card-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    font-size: 0.875rem;
}

.compat-yes { color: var(--success); }
.compat-somewhat { color: var(--warning); }
.compat-no { color: var(--error); }

/* Meters */
.modal-meters {
    margin-bottom: var(--spacing-md);
}

.meter-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.meter-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.meter-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    min-width: 80px;
}

.meter-bar {
    flex: 1;
    height: 8px;
    background: var(--card-bg);
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.meter-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.5s ease;
}

.meter-fill.low { width: 33%; background: var(--success); }
.meter-fill.medium { width: 66%; background: var(--warning); }
.meter-fill.high { width: 100%; background: var(--error); }

.meter-value {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    min-width: 55px;
    text-align: right;
}

/* Image placeholder/loading */
.breed-card-image-wrapper {
    position: relative;
    width: 100%;
    height: 220px;
    background: var(--secondary-bg);
    overflow: hidden;
}

.breed-card-image-wrapper .placeholder-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
    color: var(--text-muted);
    opacity: 0.3;
}

/* Responsive */
@media (max-width: 768px) {
    .header {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .header h1 {
        font-size: 1rem;
    }

    .header-badge {
        display: none;
    }

    .main {
        padding: var(--spacing-md);
    }

    .hero {
        padding: var(--spacing-md) 0;
    }

    .hero h2 {
        font-size: 1.5rem;
    }

    .filters-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-group {
        flex-wrap: wrap;
    }

    .filter-group select {
        flex: 1;
        min-width: 100px;
    }

    .breed-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: var(--spacing-md);
    }

    .breed-grid.list-view .breed-card {
        flex-direction: column;
    }

    .breed-grid.list-view .breed-card-image {
        width: 100%;
        height: 180px;
    }

    .modal-content {
        width: 95%;
        max-height: 95vh;
    }

    .modal-image-section {
        height: 200px;
    }

    .modal-info-section {
        padding: var(--spacing-md);
    }

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

    .compat-grid {
        flex-direction: column;
    }
}

@media (max-width: 380px) {
    .breed-grid {
        grid-template-columns: 1fr;
    }

    .hero h2 {
        font-size: 1.25rem;
    }
}

/* Disable animations on mobile */
@media (max-width: 768px) {
    .breed-card:hover {
        transform: none;
    }
}