/* ===== CSS Variables & Root Setup ===== */
:root {
    /* Core Magic Colors */
    --primary-500: #1f2937;
    --primary-600: #111827;
    --primary-700: #0b1120;
    --secondary-500: #d97706;
    --secondary-600: #b45309;
    --accent-red: #c53030;
    --accent-red-dark: #9b2c2c;

    /* Light Theme */
    --bg-primary: #f8fafc;
    --bg-secondary: #eef2ff;
    --bg-tertiary: #e2e8f0;
    --bg-elevated: #ffffff;
    --text-primary: #1f2937;
    --text-secondary: #475569;
    --text-tertiary: #64748b;
    --border-primary: #cbd5e1;
    --border-secondary: #94a3b8;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Status Colors */
    --success-500: #38a169;
    --warning-500: #fbbf24;
    --error-500: #c53030;
    --info-500: #2563eb;
    
    /* Mana Colors */
    --color-white: #f4e2c9;
    --color-blue: #60a5fa;
    --color-black: #1f1b1c;
    --color-red: #f87171;
    --color-green: #34d399;
    --color-colorless: #d1d5db;
    --color-multicolor: #a78bfa;
    
    /* Spacing & Sizing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Typography */
    --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-family-display: 'Orbitron', monospace;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Layout */
    --header-height: 1.75rem;
    --sidebar-width: 320px;
    --max-content-width: 1400px;
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-primary: #0b0f19;
    --bg-secondary: #141b2f;
    --bg-tertiary: #1f2940;
    --bg-elevated: #111827;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5f5;
    --text-tertiary: #9ca3c7;
    --border-primary: #24304a;
    --border-secondary: #3c4a6b;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3), 0 2px 4px -2px rgb(0 0 0 / 0.3);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.3), 0 4px 6px -4px rgb(0 0 0 / 0.3);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.3), 0 8px 10px -6px rgb(0 0 0 / 0.3);
}

[data-theme="dark"] .api-status {
    background: var(--bg-tertiary);
    border-color: var(--border-secondary);
    box-shadow: var(--shadow-sm);
}

/* ===== Global Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-base), color var(--transition-base);
}

/* ===== App Container ===== */
.app-container {
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* ===== Header ===== */
.app-header {
    background: linear-gradient(to right, var(--bg-elevated) 0%, var(--bg-secondary) 50%, var(--bg-elevated) 100%);
    border-bottom: 2px solid var(--secondary-500);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(12px);
}

.header-content {
    max-width: var(--max-content-width);
    margin: 0 auto;
    padding: 0 var(--space-2);
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.logo-icon {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, var(--primary-500), var(--secondary-500));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.logo-icon svg {
    width: 16px;
    height: 16px;
}

.logo-text h1 {
    font-family: var(--font-family-display);
    font-size: var(--font-size-lg);
    font-weight: 800;
    color: var(--text-primary);
    margin: 0;
    background: linear-gradient(135deg, var(--primary-600), var(--secondary-600));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.theme-toggle {
    width: 28px;
    height: 28px;
    border: none;
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    border: 1px solid var(--border-primary);
}

.theme-toggle:hover {
    background: var(--bg-tertiary);
    transform: scale(1.05);
}

.theme-icon {
    font-size: var(--font-size-base);
}

/* ===== Main Content ===== */
.main-content {
    flex: 1;
    max-width: var(--max-content-width);
    margin: 0 auto;
    padding: var(--space-2) var(--space-1);
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2);
    align-items: start;
    overflow: hidden;
    min-height: 0;
}

/* ===== Deck Panel ===== */
.deck-panel {
    background: var(--bg-elevated);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-primary);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    max-height: 100%;
}

.deck-header {
    padding: var(--space-2);
    border-bottom: 2px solid var(--secondary-500);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(to right, var(--bg-secondary), var(--bg-tertiary));
    flex-shrink: 0;
}

.deck-header h2 {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.deck-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.action-group {
    display: flex;
    gap: var(--space-1);
}

.action-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.action-btn svg {
    width: 14px;
    height: 14px;
}

.action-btn.primary {
    background: var(--primary-500);
    color: white;
}

.action-btn.primary:hover {
    background: var(--primary-600);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.action-btn.secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
}

.action-btn.secondary:hover {
    background: var(--bg-secondary);
    transform: translateY(-1px);
}

.action-btn.danger {
    background: var(--error-500);
    color: white;
}

.action-btn.danger:hover {
    background: var(--accent-red-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* ===== Deck Stats ===== */
.deck-stats {
    padding: var(--space-2);
    border-bottom: 1px solid var(--border-primary);
    flex-shrink: 0;
}

.stats-grid {
    display: flex;
    gap: var(--space-1);
    overflow-x: auto;
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--space-1) var(--space-2);
    display: flex;
    align-items: center;
    gap: var(--space-1);
    transition: all var(--transition-base);
    flex: 1;
    min-width: 0;
}

.stat-card:hover {
    background: var(--bg-tertiary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.stat-icon {
    width: 18px;
    height: 18px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.stat-icon.total { background: linear-gradient(135deg, var(--primary-500), var(--primary-600)); }
.stat-icon.creature { background: linear-gradient(135deg, var(--color-green), #15803d); }
.stat-icon.spell { background: linear-gradient(135deg, var(--color-blue), #1d4ed8); }
.stat-icon.land { background: linear-gradient(135deg, var(--secondary-500), var(--secondary-600)); }
.stat-icon.price { background: linear-gradient(135deg, #4CAF50, #388E3C); }

.stat-icon svg {
    width: 12px;
    height: 12px;
}

.stat-content {
    display: flex;
    flex-direction: column;
    min-width: 0;
    flex: 1;
}

.stat-label {
    font-size: 0.65rem;
    color: var(--text-secondary);
    font-weight: 500;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.stat-value {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

/* ===== Deck Display ===== */
.deck-container {
    padding: var(--space-3);
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.deck-display {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--space-3);
}

/* ===== Search Panel ===== */
.search-panel {
    background: var(--bg-elevated);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-primary);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    max-height: 100%;
}

.search-header {
    padding: var(--space-2);
    border-bottom: 2px solid var(--secondary-500);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(to right, var(--bg-secondary), var(--bg-tertiary));
    flex-shrink: 0;
}

.search-header h2 {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.search-help {
    position: relative;
}

.help-toggle {
    width: 24px;
    height: 24px;
    border: none;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    color: var(--text-secondary);
}

.help-toggle:hover {
    background: var(--primary-500);
    color: white;
    transform: scale(1.05);
}

.help-toggle svg {
    width: 14px;
    height: 14px;
}

.search-help-content {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg-elevated);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--space-3);
    width: 280px;
    z-index: 10;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
}

.search-help:hover .search-help-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.help-item {
    padding: var(--space-1) 0;
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.help-item:not(:last-child) {
    border-bottom: 1px solid var(--border-primary);
}

.help-item strong {
    color: var(--text-primary);
}

/* ===== Search Controls ===== */
.search-controls {
    padding: calc(var(--space-2) + 1px) var(--space-2) calc(var(--space-2) + 4px);
    border-bottom: 1px solid var(--border-primary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-shrink: 0;
    position: relative;
}

.search-input-container {
    position: relative;
    display: flex;
    flex: 1;
}

.search-input-container input {
    flex: 1;
    padding: var(--space-2) 140px var(--space-2) var(--space-3);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    transition: all var(--transition-base);
}

.search-input-container input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

.search-btn {
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--primary-500);
    border-left: none;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    background: var(--primary-500);
    color: white;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-btn:hover {
    background: var(--primary-600);
    transform: translateY(-1px);
}

.search-btn svg {
    width: 16px;
    height: 16px;
}

.api-status {
    margin: 0 var(--space-4) var(--space-4);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-primary);
    background: var(--bg-secondary);
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    box-shadow: var(--shadow-sm);
    transition: border-color var(--transition-base), background-color var(--transition-base), box-shadow var(--transition-base), opacity 0.3s ease-out, max-height 0.3s ease-out, margin 0.3s ease-out, padding 0.3s ease-out;
    opacity: 1;
    max-height: 200px;
    overflow: hidden;
}

.api-status.is-hidden {
    opacity: 0;
    max-height: 0;
    margin: 0 var(--space-4);
    padding: 0 var(--space-4);
}

.search-stats {
    position: absolute;
    right: 44px;
    top: 50%;
    transform: translateY(-50%);
    padding: 0 var(--space-3);
    font-size: 0.7rem;
    color: var(--text-tertiary);
    text-align: right;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-base);
    background: transparent;
    border-radius: 0;
    margin: 0;
    z-index: 1;
}

.search-stats:not([style*="display: none"]) {
    opacity: 1;
}

.search-stats__text {
    font-weight: 400;
    white-space: nowrap;
}

.api-status__icon {
    font-size: 1.5rem;
    line-height: 1;
    color: var(--primary-500);
}

.api-status__content {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    color: var(--text-secondary);
}

.api-status__message {
    font-weight: 600;
    color: var(--text-primary);
}

.api-status__detail {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.api-status.is-loading {
    border-color: var(--info-500);
    box-shadow: 0 0 0 3px rgb(6 182 212 / 0.15);
}

.api-status.is-loading .api-status__icon {
    color: var(--info-500);
}

.api-status.is-success {
    border-color: var(--success-500);
    box-shadow: 0 0 0 3px rgb(16 185 129 / 0.15);
}

.api-status.is-success .api-status__icon {
    color: var(--success-500);
}

.api-status.is-error {
    border-color: var(--error-500);
    box-shadow: 0 0 0 3px rgb(239 68 68 / 0.15);
}

.api-status.is-error .api-status__icon {
    color: var(--error-500);
}

.api-status.is-info {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgb(59 130 246 / 0.15);
}

.api-status.is-info .api-status__icon {
    color: var(--primary-500);
}

.sort-container {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-shrink: 0;
}

.sort-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 500;
    white-space: nowrap;
}

.sort-select {
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-base);
    min-width: 140px;
}

.sort-select:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

/* ===== Search Results ===== */
.search-results-container {
    padding: var(--space-3);
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.search-results {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--space-3);
}

/* ===== Cards ===== */
.card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    transition: all var(--transition-base);
    cursor: pointer;
    group: card;
}

.card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--secondary-500);
}

.card img {
    width: 100%;
    height: auto;
    display: block;
    transition: all var(--transition-base);
}

.card-buttons {
    position: absolute;
    top: var(--space-2);
    right: var(--space-2);
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    opacity: 0;
    transition: all var(--transition-base);
}

.card:hover .card-buttons {
    opacity: 1;
}

.card-button {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: var(--radius-full);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    transition: all var(--transition-base);
    backdrop-filter: blur(8px);
}

.card-button:hover {
    background: var(--primary-500);
    transform: scale(1.1);
}

.increase-button:hover {
    background: var(--success-500);
}

.decrease-button:hover {
    background: var(--error-500);
}

.price-badge {
    position: absolute;
    bottom: var(--space-2);
    left: var(--space-2);
    background: rgba(76, 175, 80, 0.95);
    color: white;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: 600;
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-base);
    opacity: 1;
    transform: scale(1);
}

.card:hover .price-badge {
    background: rgba(76, 175, 80, 1);
    transform: scale(1.05);
}

.card-count {
    position: absolute;
    top: var(--space-2);
    left: var(--space-2);
    background: var(--accent-red);
    color: white;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: 700;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--secondary-500);
}

/* ===== Empty States ===== */
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-8) var(--space-4);
    color: var(--text-tertiary);
}

.empty-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-3);
    opacity: 0.5;
}

.empty-icon svg {
    width: 100%;
    height: 100%;
}

.empty-state h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
}

.empty-state p {
    font-size: var(--font-size-sm);
}

/* ===== Loading Indicator ===== */
.loading-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-8);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-primary);
    border-top: 2px solid var(--secondary-500);
    border-right: 2px solid var(--primary-500);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ===== Modal Overlay ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    backdrop-filter: blur(8px);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    max-width: 90vw;
    max-height: 90vh;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    animation: modalEnter 0.3s ease-out;
}

@keyframes modalEnter {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-content img {
    width: 100%;
    height: auto;
    display: block;
}

.export-options {
    background: var(--bg-elevated);
    padding: var(--space-8);
    text-align: center;
    border-radius: var(--radius-xl);
    min-width: 400px;
}

.export-options h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-6);
}

.export-options button {
    display: block;
    width: 100%;
    padding: var(--space-4);
    margin-bottom: var(--space-3);
    border: none;
    border-radius: var(--radius-md);
    background: var(--primary-500);
    color: white;
    font-size: var(--font-size-base);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.export-options button:hover {
    background: var(--primary-600);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.export-options .table-export-btn {
    background: var(--bg-base);
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
}

.export-options .table-export-btn img {
    max-height: 32px;
    width: auto;
}

.export-options .table-export-btn:hover {
    background: var(--bg-elevated);
    box-shadow: var(--shadow-md);
}

.export-options button:last-child {
    margin-bottom: 0;
}

/* ===== Toast Container ===== */
.toast-container {
    position: fixed;
    top: var(--space-8);
    right: var(--space-8);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.toast {
    background: var(--bg-elevated);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    box-shadow: var(--shadow-lg);
    min-width: 300px;
    animation: toastEnter 0.3s ease-out;
}

.toast.success {
    border-left: 4px solid var(--success-500);
}

.toast.error {
    border-left: 4px solid var(--error-500);
}

.toast.info {
    border-left: 4px solid var(--info-500);
}

@keyframes toastEnter {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===== Footer ===== */
.app-footer {
    margin-top: auto;
    padding: var(--space-8) var(--space-6);
    border-top: 1px solid var(--border-primary);
    background: var(--bg-secondary);
}

.footer-content {
    max-width: var(--max-content-width);
    margin: 0 auto;
    text-align: center;
}

.disclaimer {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    line-height: 1.6;
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .main-content {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        gap: var(--space-2);
    }
}

@media (max-width: 768px) {
    :root {
        --space-base: 0.75rem;
    }

    .header-content {
        padding: var(--space-3) var(--space-4);
    }

    .main-content {
        padding: var(--space-4);
        gap: var(--space-4);
    }

    .stats-grid {
        flex-wrap: wrap;
        gap: var(--space-2);
    }

    .deck-actions {
        flex-wrap: wrap;
        gap: var(--space-2);
    }

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

    .search-controls {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-3);
    }

    .search-stats {
        display: none !important;
    }

    .search-input-container input {
        padding-right: var(--space-3);
    }

    .api-status {
        margin: 0 var(--space-3) var(--space-3);
        padding: var(--space-3);
    }

    .sort-container {
        align-self: flex-start;
    }

    .search-results {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: var(--space-3);
    }

    .deck-display {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}

@media (max-width: 480px) {
    .logo-text h1 {
        font-size: var(--font-size-base);
    }

    .search-controls {
        padding: var(--space-3);
    }

    .api-status {
        margin: 0 var(--space-3) var(--space-3);
        padding: var(--space-3);
    }

    .sort-container {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-1);
    }

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

    .stat-card {
        min-width: auto;
    }

    .modal-content {
        margin: var(--space-4);
    }

    .export-options {
        padding: var(--space-4);
    }
}

/* ===== Scrollbar Styling ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-secondary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* ===== Focus States ===== */
*:focus {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

button:focus,
input:focus,
select:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

/* ===== Print Styles ===== */
@media print {
    .app-header,
    .search-panel,
    .app-footer {
        display: none;
    }

    .main-content {
        grid-template-columns: 1fr;
        padding: 0;
    }
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}