/* ============================================
   PREMIUM SCREENS REDESIGN
   Unified styling for Deck Manager & Collection
   Matches the new main menu premium aesthetic
   ============================================ */

/* === CSS Custom Properties for Consistency === */
:root {
    /* Premium Color Palette */
    --premium-bg-dark: #0a0a1a;
    --premium-bg-medium: #12122a;
    --premium-bg-light: #1a1535;
    --premium-bg-panel: rgba(15, 15, 35, 0.95);

    /* Gold Accents */
    --gold-primary: #d4a857;
    --gold-light: #f4d03f;
    --gold-dark: #b8860b;
    --gold-glow: rgba(212, 168, 87, 0.4);
    --gold-border: rgba(212, 168, 87, 0.3);

    /* Blue Accents */
    --blue-primary: #4a90e2;
    --blue-light: #6bb6ff;
    --blue-dark: #2d5a8a;
    --blue-glow: rgba(74, 144, 226, 0.4);

    /* Purple Accents */
    --purple-primary: #8b5cf6;
    --purple-glow: rgba(139, 92, 246, 0.3);

    /* Status Colors */
    --success-color: #22c55e;
    --warning-color: #f59e0b;
    --error-color: #ef4444;

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

    /* Spacing */
    --panel-padding: 16px;
    --card-gap: 12px;
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
}

/* ============================================
   DECK MANAGER SCREEN REDESIGN
   ============================================ */

#screen-deck-manager {
    background: linear-gradient(135deg, var(--premium-bg-dark) 0%, var(--premium-bg-light) 50%, var(--premium-bg-medium) 100%);
    min-height: 100vh;
}

/* --- Top Controls Bar --- */
.deck-management-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.2) 100%);
    border-bottom: 1px solid var(--gold-border);
    flex-wrap: wrap;
}

.deck-management-controls h2 {
    font-family: 'Cinzel', 'Times New Roman', serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gold-primary);
    text-shadow: 0 0 20px var(--gold-glow);
    margin: 0;
    margin-right: auto;
    letter-spacing: 1px;
}

/* Deck Selector Dropdown */
#deck-selector {
    padding: 10px 16px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.03) 100%);
    border: 1px solid var(--gold-border);
    border-radius: var(--border-radius-md);
    color: var(--text-primary);
    font-size: 14px;
    min-width: 180px;
    cursor: pointer;
    transition: all 0.3s ease;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23d4a857' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
}

#deck-selector:hover {
    border-color: var(--gold-primary);
    box-shadow: 0 0 15px var(--gold-glow);
}

#deck-selector:focus {
    outline: none;
    border-color: var(--gold-primary);
    box-shadow: 0 0 20px var(--gold-glow);
}

/* Control Buttons */
.deck-management-controls button {
    padding: 10px 16px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.03) 100%);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--border-radius-md);
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.deck-management-controls button:hover {
    background: linear-gradient(135deg, rgba(212, 168, 87, 0.2) 0%, rgba(212, 168, 87, 0.1) 100%);
    border-color: var(--gold-border);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.deck-management-controls button:active {
    transform: translateY(0);
}

/* Primary Action Buttons */
#new-deck-button,
#save-deck-button {
    background: linear-gradient(135deg, var(--gold-dark) 0%, var(--gold-primary) 100%);
    border-color: var(--gold-primary);
    color: #000;
    font-weight: 600;
}

#new-deck-button:hover,
#save-deck-button:hover {
    background: linear-gradient(135deg, var(--gold-primary) 0%, var(--gold-light) 100%);
    box-shadow: 0 0 20px var(--gold-glow);
}

/* --- Three Column Layout --- */
.deck-builder-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 16px;
    height: calc(100vh - 140px);
    overflow: hidden;
}

@media (min-width: 1024px) {
    .deck-builder-layout {
        grid-template-columns: 1.4fr 1fr 0.9fr;
    }
}

@media (min-width: 1400px) {
    .deck-builder-layout {
        grid-template-columns: 1.5fr 1fr 0.85fr;
        gap: 20px;
    }
}

/* --- Premium Panel Styling --- */
.deck-builder-collection-panel,
.deck-builder-deck-panel,
.deck-builder-info-panel {
    background: linear-gradient(145deg, rgba(20, 20, 45, 0.95) 0%, rgba(15, 15, 35, 0.98) 100%);
    border: 1px solid var(--gold-border);
    border-radius: var(--border-radius-lg);
    padding: var(--panel-padding);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* Panel top glow accent */
.deck-builder-collection-panel::before,
.deck-builder-deck-panel::before,
.deck-builder-info-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 20%;
    right: 20%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold-primary), transparent);
    opacity: 0.6;
}

/* --- Panel Headers --- */
.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(212, 168, 87, 0.2);
}

.panel-header h3 {
    font-family: 'Cinzel', 'Times New Roman', serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gold-primary);
    margin: 0;
    text-shadow: 0 0 10px var(--gold-glow);
    letter-spacing: 0.5px;
}

.collection-stats {
    font-size: 0.85rem;
    color: var(--text-secondary);
    background: rgba(0, 0, 0, 0.3);
    padding: 4px 10px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* --- Redesigned Quick Filters --- */
.quick-filters {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    padding: 8px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.card-type-filter-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.card-type-filter-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.15);
}

.card-type-filter-btn.active {
    background: linear-gradient(135deg, rgba(212, 168, 87, 0.25) 0%, rgba(212, 168, 87, 0.15) 100%);
    border-color: var(--gold-border);
    color: var(--gold-primary);
    box-shadow: 0 0 15px rgba(212, 168, 87, 0.2);
}

/* Filter button icons */
.card-type-filter-btn[data-type=""]::before { content: ""; }
.card-type-filter-btn[data-type="Summon"]::before { content: ""; }
.card-type-filter-btn[data-type="Spell"]::before { content: ""; }
.card-type-filter-btn[data-type="Event"]::before { content: ""; }

/* --- Collection Controls Redesign --- */
.collection-controls {
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--border-radius-md);
    padding: 12px;
    margin-bottom: 12px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.search-row {
    position: relative;
    margin-bottom: 10px;
}

#collection-search {
    width: 100%;
    padding: 12px 44px 12px 16px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0.02) 100%);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 24px;
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.3s ease;
}

#collection-search:focus {
    outline: none;
    border-color: var(--gold-border);
    box-shadow: 0 0 20px rgba(212, 168, 87, 0.15);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.04) 100%);
}

#collection-search::placeholder {
    color: var(--text-muted);
}

#advanced-filters-toggle {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 18px;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#advanced-filters-toggle:hover {
    background: rgba(212, 168, 87, 0.2);
    color: var(--gold-primary);
    transform: translateY(-50%) rotate(90deg);
}

/* Advanced Filters Panel */
#advanced-filters {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.3) 100%);
    border-radius: var(--border-radius-sm);
    padding: 12px;
    margin-top: 10px;
    border: 1px solid var(--gold-border);
    animation: slideDown 0.3s ease;
}

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

.filter-row {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.filter-row:last-child {
    margin-bottom: 0;
}

.filter-row select,
.filter-row input {
    flex: 1;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 13px;
    transition: all 0.2s ease;
}

.filter-row select:hover,
.filter-row input:hover {
    border-color: var(--gold-border);
}

.filter-row select:focus,
.filter-row input:focus {
    outline: none;
    border-color: var(--gold-primary);
    box-shadow: 0 0 10px rgba(212, 168, 87, 0.2);
}

/* Sort and View Controls */
.sort-and-view {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.sort-and-view select {
    padding: 8px 32px 8px 12px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s ease;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23ffffff' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 14px;
}

.sort-and-view select:hover {
    border-color: var(--gold-border);
}

/* View Toggle Buttons */
.collection-view-options,
.deck-view-options {
    display: flex;
    gap: 4px;
    background: rgba(0, 0, 0, 0.3);
    padding: 4px;
    border-radius: var(--border-radius-sm);
}

.view-button {
    padding: 8px 12px;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--text-muted);
    font-size: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.view-button:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.view-button.active {
    background: linear-gradient(135deg, var(--gold-dark) 0%, var(--gold-primary) 100%);
    color: #000;
    box-shadow: 0 0 10px var(--gold-glow);
}

/* --- Card List Grid --- */
.card-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.06);
    min-height: 200px;
}

.card-list.view-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(105px, 1fr));
    gap: var(--card-gap);
    align-content: start;
}

/* Larger cards on wider screens */
@media (min-width: 1400px) {
    .card-list.view-grid {
        grid-template-columns: repeat(auto-fill, minmax(115px, 1fr));
    }
}

/* Custom scrollbar */
.card-list::-webkit-scrollbar {
    width: 8px;
}

.card-list::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
}

.card-list::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--gold-dark), var(--gold-primary));
    border-radius: 4px;
}

.card-list::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--gold-primary), var(--gold-light));
}

/* --- Card Styling in Deck Builder --- */
.deck-builder-collection-panel .card,
.deck-builder-deck-panel .card {
    width: 100%;
    aspect-ratio: 5/7;
    border-radius: var(--border-radius-sm);
    border: 2px solid rgba(255, 255, 255, 0.15);
    background: linear-gradient(145deg, rgba(30, 30, 50, 0.9) 0%, rgba(20, 20, 40, 0.95) 100%);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.deck-builder-collection-panel .card:hover,
.deck-builder-deck-panel .card:hover {
    transform: translateY(-4px) scale(1.02);
    border-color: var(--gold-primary);
    box-shadow:
        0 8px 25px rgba(0, 0, 0, 0.4),
        0 0 20px var(--gold-glow);
    z-index: 10;
}

/* Card Type Badges - Redesigned */
.card .card-type-badge,
.card .type-badge {
    position: absolute;
    bottom: 4px;
    left: 4px;
    padding: 3px 8px;
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Type-specific badge colors */
.card .type-badge[data-type="Summon"],
.card.summon-card .type-badge {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.8) 0%, rgba(185, 28, 28, 0.8) 100%);
    border-color: rgba(239, 68, 68, 0.5);
}

.card .type-badge[data-type="Spell"],
.card.spell-card .type-badge {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.8) 0%, rgba(29, 78, 216, 0.8) 100%);
    border-color: rgba(59, 130, 246, 0.5);
}

.card .type-badge[data-type="Event"],
.card.event-card .type-badge {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.8) 0%, rgba(126, 34, 206, 0.8) 100%);
    border-color: rgba(168, 85, 247, 0.5);
}

/* Card Cost Badge */
.card .card-cost,
.card .cost-badge {
    position: absolute;
    top: 4px;
    left: 4px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--blue-primary) 0%, var(--blue-dark) 100%);
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

/* Card Rarity Indicator */
.card .rarity-indicator {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.card .rarity-indicator.common { background: #9ca3af; }
.card .rarity-indicator.uncommon { background: #22c55e; box-shadow: 0 0 6px rgba(34, 197, 94, 0.5); }
.card .rarity-indicator.rare { background: #3b82f6; box-shadow: 0 0 6px rgba(59, 130, 246, 0.5); }
.card .rarity-indicator.legendary {
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
    box-shadow: 0 0 8px rgba(245, 158, 11, 0.6);
    animation: legendaryPulse 2s infinite;
}

@keyframes legendaryPulse {
    0%, 100% { box-shadow: 0 0 8px rgba(245, 158, 11, 0.6); }
    50% { box-shadow: 0 0 15px rgba(245, 158, 11, 0.9); }
}

/* --- Empty Deck State --- */
#deck-empty-message,
.empty-list-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 300px;
    text-align: center;
    color: var(--text-muted);
    padding: 40px 20px;
}

#deck-empty-message::before {
    content: '';
    width: 120px;
    height: 168px;
    border: 3px dashed var(--gold-border);
    border-radius: var(--border-radius-md);
    margin-bottom: 20px;
    opacity: 0.5;
    animation: emptyPulse 2s ease-in-out infinite;
}

@keyframes emptyPulse {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.02); }
}

#deck-empty-message::after {
    content: 'Drag cards from your collection to build your deck';
    font-size: 14px;
    color: var(--text-secondary);
    max-width: 200px;
    line-height: 1.5;
}

/* Drop Zone Active State */
.card-list.drop-zone.drag-over {
    background: rgba(212, 168, 87, 0.1);
    border-color: var(--gold-primary);
    box-shadow: inset 0 0 30px rgba(212, 168, 87, 0.2);
}

/* --- Deck Count Display --- */
.deck-count-display {
    display: flex;
    align-items: center;
    gap: 10px;
}

.deck-count-text {
    font-size: 1rem;
    font-weight: 700;
    padding: 6px 14px;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: all 0.3s ease;
}

.deck-count-text.deck-empty {
    color: var(--text-muted);
    border-color: rgba(255, 255, 255, 0.1);
}

.deck-count-text.deck-partial {
    color: var(--warning-color);
    border-color: rgba(245, 158, 11, 0.4);
    background: rgba(245, 158, 11, 0.15);
}

.deck-count-text.deck-full {
    color: var(--success-color);
    border-color: rgba(34, 197, 94, 0.4);
    background: rgba(34, 197, 94, 0.15);
    box-shadow: 0 0 15px rgba(34, 197, 94, 0.3);
}

.deck-count-text.deck-overfull {
    color: var(--error-color);
    border-color: rgba(239, 68, 68, 0.4);
    background: rgba(239, 68, 68, 0.15);
    animation: overfullPulse 1s infinite;
}

@keyframes overfullPulse {
    0%, 100% { box-shadow: 0 0 10px rgba(239, 68, 68, 0.3); }
    50% { box-shadow: 0 0 20px rgba(239, 68, 68, 0.5); }
}

.deck-status-indicators {
    display: flex;
    gap: 6px;
}

.status-indicator {
    font-size: 1.1rem;
    opacity: 0.7;
    transition: all 0.2s ease;
    cursor: help;
}

.status-indicator:hover {
    opacity: 1;
    transform: scale(1.1);
}

/* --- Deck Controls --- */
.deck-controls {
    margin-bottom: 12px;
}

.deck-view-and-sort {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.deck-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.secondary-button {
    padding: 8px 14px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.secondary-button:hover {
    background: rgba(255, 255, 255, 0.12);
    color: var(--text-primary);
    border-color: var(--gold-border);
    transform: translateY(-1px);
}

#clear-deck-button:hover {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.4);
    color: var(--error-color);
}

#auto-complete-deck-button:hover {
    background: rgba(34, 197, 94, 0.2);
    border-color: rgba(34, 197, 94, 0.4);
    color: var(--success-color);
}

#validate-deck-button:hover {
    background: rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.4);
    color: var(--blue-light);
}

/* --- Right Panel: Deck Info --- */
.deck-customization {
    background: rgba(0, 0, 0, 0.25);
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 16px;
    overflow: hidden;
}

.deck-customization h3 {
    margin: 0;
    padding: 12px 16px;
    background: linear-gradient(135deg, rgba(212, 168, 87, 0.15) 0%, rgba(212, 168, 87, 0.05) 100%);
    font-family: 'Cinzel', serif;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--gold-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.2s ease;
    border-bottom: 1px solid rgba(212, 168, 87, 0.2);
}

.deck-customization h3:hover {
    background: linear-gradient(135deg, rgba(212, 168, 87, 0.2) 0%, rgba(212, 168, 87, 0.1) 100%);
}

.deck-customization h3::after {
    content: '▼';
    font-size: 10px;
    transition: transform 0.3s ease;
    color: var(--text-muted);
}

.deck-customization.collapsed h3::after {
    transform: rotate(-90deg);
}

.deck-customization-content {
    padding: 16px;
}

.deck-customization.collapsed .deck-customization-content {
    display: none;
}

.deck-customization label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.deck-customization input,
.deck-customization textarea {
    width: 100%;
    padding: 10px 14px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.2s ease;
    margin-bottom: 12px;
}

.deck-customization input:focus,
.deck-customization textarea:focus {
    outline: none;
    border-color: var(--gold-border);
    box-shadow: 0 0 15px rgba(212, 168, 87, 0.15);
}

/* --- Deck Statistics Section --- */
.deck-stats-section {
    background: rgba(0, 0, 0, 0.25);
    border-radius: var(--border-radius-md);
    padding: 16px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 16px;
}

.deck-stats-section h3 {
    font-family: 'Cinzel', serif;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--gold-primary);
    margin: 0 0 12px 0;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(212, 168, 87, 0.2);
}

.deck-overview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 16px;
}

.stat-overview-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    border-radius: var(--border-radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.stat-overview-item .stat-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.stat-overview-item .stat-value {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
}

/* Valid/Invalid Status */
#stat-deck-valid {
    font-size: 16px;
}

/* --- Enhanced Aether Curve --- */
.deck-analysis-preview {
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.1) 0%, rgba(139, 92, 246, 0.05) 100%);
    border-radius: var(--border-radius-md);
    padding: 16px;
    border: 1px solid rgba(74, 144, 226, 0.2);
    position: relative;
    overflow: hidden;
}

.deck-analysis-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--blue-primary), transparent);
    opacity: 0.5;
}

.deck-analysis-preview h4 {
    font-family: 'Cinzel', serif;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--blue-light);
    margin: 0 0 12px 0;
    text-align: center;
    text-shadow: 0 0 10px var(--blue-glow);
}

#aether-curve-display {
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    height: 100px;
    padding: 10px 5px 25px;
    background: radial-gradient(ellipse at bottom, rgba(74, 144, 226, 0.15) 0%, transparent 70%);
    border-radius: var(--border-radius-sm);
    position: relative;
}

#aether-curve-display::after {
    content: '';
    position: absolute;
    bottom: 20px;
    left: 5%;
    right: 5%;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
}

/* Aether Curve Bars */
.aether-bar {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    flex: 1;
    max-width: 35px;
    position: relative;
    cursor: pointer;
}

.aether-bar-fill {
    width: 70%;
    min-height: 4px;
    background: linear-gradient(180deg, var(--gold-light) 0%, var(--gold-primary) 50%, var(--gold-dark) 100%);
    border-radius: 4px 4px 0 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 10px var(--gold-glow);
    position: relative;
}

.aether-bar:hover .aether-bar-fill {
    background: linear-gradient(180deg, var(--gold-light) 0%, var(--gold-primary) 100%);
    box-shadow: 0 0 20px var(--gold-glow);
    transform: scaleX(1.1);
}

.aether-bar-label {
    position: absolute;
    bottom: -20px;
    font-size: 10px;
    color: var(--text-muted);
    font-weight: 500;
}

.aether-bar-count {
    position: absolute;
    top: -20px;
    font-size: 11px;
    font-weight: 700;
    color: var(--gold-primary);
    opacity: 0;
    transition: opacity 0.2s ease;
    background: rgba(0, 0, 0, 0.6);
    padding: 2px 6px;
    border-radius: 8px;
}

.aether-bar:hover .aether-bar-count {
    opacity: 1;
}

/* --- Card Preview Section --- */
.card-preview-section {
    background: rgba(0, 0, 0, 0.25);
    border-radius: var(--border-radius-md);
    padding: 16px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
}

.card-preview-section h4 {
    font-family: 'Cinzel', serif;
    font-size: 0.9rem;
    color: var(--gold-primary);
    margin: 0 0 12px 0;
}

.card-preview-placeholder {
    padding: 30px 20px;
    color: var(--text-muted);
    font-size: 13px;
    font-style: italic;
}

/* ============================================
   COLLECTION SCREEN REDESIGN
   ============================================ */

#screen-collection {
    background: linear-gradient(135deg, var(--premium-bg-dark) 0%, var(--premium-bg-light) 50%, var(--premium-bg-medium) 100%);
    min-height: 100vh;
}

#screen-collection h2 {
    font-family: 'Cinzel', 'Times New Roman', serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--gold-primary);
    text-shadow: 0 0 20px var(--gold-glow);
    margin: 0 0 16px 0;
    letter-spacing: 1px;
}

/* Collection Value Display */
#collection-value-display {
    background: linear-gradient(135deg, rgba(212, 168, 87, 0.2) 0%, rgba(212, 168, 87, 0.1) 100%);
    border: 1px solid var(--gold-border);
    border-radius: var(--border-radius-md);
    padding: 12px 20px;
    margin-bottom: 16px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--gold-primary);
}

#collection-value-display::before {
    content: '💰';
    font-size: 1.2em;
}

#collection-total-coins {
    font-size: 1.2em;
    font-weight: 700;
    color: var(--gold-light);
    text-shadow: 0 0 10px var(--gold-glow);
}

/* Collection Controls Main */
.collection-controls-main {
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--border-radius-lg);
    padding: 16px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 16px;
}

/* Collection Search */
.collection-search-container {
    position: relative;
    margin-bottom: 16px;
}

#collection-search-input {
    width: 100%;
    padding: 14px 50px 14px 20px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0.02) 100%);
    border: 2px solid rgba(255, 255, 255, 0.12);
    border-radius: 30px;
    color: var(--text-primary);
    font-size: 15px;
    transition: all 0.3s ease;
}

#collection-search-input:focus {
    outline: none;
    border-color: var(--gold-primary);
    box-shadow: 0 0 25px rgba(212, 168, 87, 0.2);
}

#collection-clear-search {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--error-color);
    border: none;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    color: white;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.2s ease;
}

#collection-clear-search:hover {
    background: #dc2626;
    transform: translateY(-50%) scale(1.1);
}

/* Filter Rows */
.collection-filters-row,
.collection-display-options {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    align-items: flex-end;
    margin-bottom: 16px;
    padding: 16px;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.08) 0%, rgba(74, 144, 226, 0.03) 100%);
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(74, 144, 226, 0.15);
}

.collection-display-options {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.08) 0%, rgba(139, 92, 246, 0.03) 100%);
    border-color: rgba(139, 92, 246, 0.15);
}

.filter-group,
.display-group {
    display: flex;
    flex-direction: column;
    min-width: 130px;
}

.filter-group label,
.display-group label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filter-group select,
.display-group select {
    padding: 10px 36px 10px 14px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s ease;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23d4a857' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 14px;
}

.filter-group select:hover,
.display-group select:hover {
    border-color: var(--gold-border);
    background-color: rgba(0, 0, 0, 0.4);
}

.filter-group select:focus,
.display-group select:focus {
    outline: none;
    border-color: var(--gold-primary);
    box-shadow: 0 0 15px rgba(212, 168, 87, 0.2);
}

/* Checkbox Group */
.checkbox-group {
    flex-direction: row;
    align-items: center;
}

.filter-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    padding: 8px 14px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--border-radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.2s ease;
}

.filter-toggle:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

.filter-toggle input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--gold-primary);
    cursor: pointer;
}

/* Quick Filter Buttons */
.collection-quick-filters {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    padding: 14px 16px;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.08) 0%, rgba(34, 197, 94, 0.03) 100%);
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(34, 197, 94, 0.15);
}

.collection-quick-filters .quick-filter-btn {
    padding: 10px 18px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 24px;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.collection-quick-filters .quick-filter-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--gold-border);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.collection-quick-filters .quick-filter-btn.active {
    background: linear-gradient(135deg, var(--gold-dark) 0%, var(--gold-primary) 100%);
    border-color: var(--gold-primary);
    color: #000;
    font-weight: 600;
    box-shadow: 0 0 20px var(--gold-glow);
}

/* Collection Main Card List */
#collection-list-main {
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 16px;
    min-height: 400px;
}

#collection-list-main.view-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 16px;
    align-content: start;
}

/* --- Collection Sidebar --- */
#collection-sidebar {
    background: linear-gradient(145deg, rgba(20, 20, 45, 0.95) 0%, rgba(15, 15, 35, 0.98) 100%);
    border: 1px solid var(--gold-border);
    border-radius: var(--border-radius-lg);
    padding: 20px;
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* Collection Stats Panel */
.collection-stats-panel {
    background: rgba(0, 0, 0, 0.25);
    border-radius: var(--border-radius-md);
    padding: 16px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 20px;
}

.collection-stats-panel h4,
.collection-stats-panel h5 {
    font-family: 'Cinzel', serif;
    color: var(--gold-primary);
    margin: 0 0 12px 0;
}

.collection-stats-panel h4 {
    font-size: 1rem;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(212, 168, 87, 0.2);
}

.collection-stats-panel h5 {
    font-size: 0.85rem;
    margin-top: 16px;
    color: var(--text-secondary);
}

.stats-summary .stat-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.stats-summary .stat-item:last-child {
    border-bottom: none;
}

.stats-summary .stat-label {
    color: var(--text-muted);
    font-size: 13px;
}

.stats-summary .stat-value {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 13px;
}

/* Set Progress */
.set-progress-container {
    margin-top: 16px;
}

.set-progress {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.set-progress-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.set-name {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-secondary);
}

.set-progress-bar {
    height: 8px;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.set-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--gold-dark), var(--gold-primary), var(--gold-light));
    border-radius: 3px;
    transition: width 0.5s ease;
    box-shadow: 0 0 10px var(--gold-glow);
}

/* Rarity Stats */
.rarity-breakdown {
    margin-top: 16px;
}

.rarity-stats {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.rarity-stat {
    display: flex;
    justify-content: space-between;
    padding: 8px 12px;
    border-radius: var(--border-radius-sm);
    font-size: 12px;
    font-weight: 500;
}

.rarity-stat.common {
    background: rgba(156, 163, 175, 0.15);
    border: 1px solid rgba(156, 163, 175, 0.3);
    color: #d1d5db;
}

.rarity-stat.uncommon {
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #4ade80;
}

.rarity-stat.rare {
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #60a5fa;
}

.rarity-stat.legendary {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.2) 0%, rgba(217, 119, 6, 0.15) 100%);
    border: 1px solid rgba(245, 158, 11, 0.4);
    color: #fbbf24;
    box-shadow: 0 0 10px rgba(245, 158, 11, 0.2);
}

/* --- Enhanced Sell Portal --- */
.sell-portal {
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.1) 0%, rgba(153, 27, 27, 0.08) 100%);
    border: 2px dashed rgba(220, 38, 38, 0.4);
    border-radius: var(--border-radius-lg);
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.sell-portal::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(220, 38, 38, 0.1) 0%, transparent 70%);
    animation: portalRotate 20s linear infinite;
    pointer-events: none;
}

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

.sell-portal h4 {
    font-family: 'Cinzel', serif;
    color: #fca5a5;
    margin: 0 0 8px 0;
    font-size: 1rem;
    position: relative;
    z-index: 1;
}

.sell-portal p {
    color: var(--text-muted);
    font-size: 13px;
    margin: 0 0 16px 0;
    position: relative;
    z-index: 1;
}

/* Quick Sell Options */
.quick-sell-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.sell-action-btn {
    padding: 12px 16px;
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.3) 0%, rgba(153, 27, 27, 0.25) 100%);
    border: 1px solid rgba(220, 38, 38, 0.4);
    border-radius: var(--border-radius-sm);
    color: #fecaca;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.sell-action-btn:hover {
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.5) 0%, rgba(153, 27, 27, 0.4) 100%);
    border-color: #ef4444;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(220, 38, 38, 0.3);
}

/* Portal Visual */
.portal-visual {
    width: 80px;
    height: 80px;
    margin: 16px auto;
    border: 3px solid rgba(220, 38, 38, 0.5);
    border-radius: 50%;
    position: relative;
    background: radial-gradient(circle, rgba(220, 38, 38, 0.2) 0%, transparent 70%);
    box-shadow:
        0 0 20px rgba(220, 38, 38, 0.3),
        inset 0 0 30px rgba(220, 38, 38, 0.2);
}

.portal-visual::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 60px;
    height: 60px;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: radial-gradient(circle, rgba(239, 68, 68, 0.6) 0%, transparent 70%);
    animation: portalPulse 2s ease-in-out infinite;
}

.portal-visual::after {
    content: '💰';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 28px;
    animation: portalFloat 3s ease-in-out infinite;
    filter: drop-shadow(0 0 8px rgba(255, 215, 0, 0.8));
}

@keyframes portalPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.6; }
    50% { transform: translate(-50%, -50%) scale(1.3); opacity: 0.3; }
}

@keyframes portalFloat {
    0%, 100% { transform: translate(-50%, -50%) translateY(0); }
    50% { transform: translate(-50%, -50%) translateY(-8px); }
}

/* Sell Portal Drag States */
.sell-portal.drag-active {
    border-color: #f87171;
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.2) 0%, rgba(153, 27, 27, 0.15) 100%);
}

.sell-portal.drag-over {
    border-color: #ef4444;
    border-style: solid;
    transform: scale(1.02);
    box-shadow: 0 0 30px rgba(220, 38, 38, 0.4);
}

.sell-portal.drag-over .portal-visual {
    animation: portalActivePulse 0.5s ease-in-out infinite;
}

@keyframes portalActivePulse {
    0%, 100% { box-shadow: 0 0 20px rgba(220, 38, 38, 0.5); }
    50% { box-shadow: 0 0 40px rgba(220, 38, 38, 0.8); }
}

/* Sell Preview */
.sell-preview {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(220, 38, 38, 0.3);
    border-radius: var(--border-radius-sm);
    padding: 12px;
    margin-top: 12px;
    position: relative;
    z-index: 1;
}

.sell-preview h5 {
    color: #fca5a5;
    margin: 0 0 8px 0;
    font-size: 13px;
}

.preview-summary {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 12px;
}

.preview-actions {
    display: flex;
    gap: 8px;
}

.confirm-btn {
    flex: 1;
    padding: 10px;
    background: linear-gradient(135deg, #dc2626, #b91c1c);
    border: none;
    border-radius: var(--border-radius-sm);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.confirm-btn:hover {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    box-shadow: 0 0 15px rgba(220, 38, 38, 0.4);
}

.cancel-btn {
    flex: 1;
    padding: 10px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.cancel-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
}

/* ============================================
   SHARED MICRO-INTERACTIONS & ANIMATIONS
   ============================================ */

/* Card Hover Effects */
.card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card:hover {
    z-index: 10;
}

/* Drag and Drop States */
.card.being-dragged {
    opacity: 0.6;
    transform: rotate(5deg) scale(0.95);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.card.drag-preview {
    opacity: 0.9;
    transform: scale(1.05);
    box-shadow:
        0 20px 40px rgba(0, 0, 0, 0.5),
        0 0 30px var(--gold-glow);
}

/* Drop Zone Highlight */
.drop-zone {
    transition: all 0.3s ease;
}

.drop-zone.drag-over {
    background: rgba(212, 168, 87, 0.1) !important;
    border-color: var(--gold-primary) !important;
}

/* Button Press Effect */
button:active {
    transform: scale(0.97);
}

/* Focus Visible States */
button:focus-visible,
input:focus-visible,
select:focus-visible {
    outline: 2px solid var(--gold-primary);
    outline-offset: 2px;
}

/* Loading Shimmer */
@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.loading-card {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0.03) 25%,
        rgba(255, 255, 255, 0.08) 50%,
        rgba(255, 255, 255, 0.03) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

/* Toast Notifications */
.toast-notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 14px 24px;
    background: var(--premium-bg-panel);
    border: 1px solid var(--gold-border);
    border-radius: var(--border-radius-md);
    color: var(--text-primary);
    font-size: 14px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    z-index: 10000;
    animation: slideInRight 0.3s ease;
}

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

.toast-notification.success {
    border-color: rgba(34, 197, 94, 0.4);
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.2), var(--premium-bg-panel));
}

.toast-notification.error {
    border-color: rgba(239, 68, 68, 0.4);
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.2), var(--premium-bg-panel));
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */

@media (max-width: 1024px) {
    .deck-builder-layout {
        grid-template-columns: 1fr;
        height: auto;
        max-height: none;
    }

    .deck-builder-collection-panel,
    .deck-builder-deck-panel,
    .deck-builder-info-panel {
        min-height: 400px;
    }

    .collection-layout {
        flex-direction: column;
    }

    #collection-sidebar {
        width: 100%;
        order: 2;
    }
}

@media (max-width: 768px) {
    .deck-management-controls {
        padding: 10px 12px;
    }

    .deck-management-controls h2 {
        font-size: 1.2rem;
        width: 100%;
        margin-bottom: 10px;
    }

    .deck-management-controls button {
        padding: 8px 12px;
        font-size: 12px;
    }

    .collection-filters-row,
    .collection-display-options {
        padding: 12px;
    }

    .filter-group,
    .display-group {
        min-width: 100%;
    }
}

/* ============================================
   ADDITIONAL PREMIUM ENHANCEMENTS
   ============================================ */

/* --- Filter Icon Styling --- */
.filter-icon {
    font-size: 14px;
    margin-right: 4px;
    opacity: 0.9;
}

.card-type-filter-btn:hover .filter-icon,
.card-type-filter-btn.active .filter-icon {
    opacity: 1;
}

/* --- Enhanced Card Preview Panel --- */
.card-preview-panel {
    background: linear-gradient(145deg, rgba(20, 20, 45, 0.8) 0%, rgba(15, 15, 35, 0.9) 100%);
    border-radius: var(--border-radius-md);
    padding: 16px;
    border: 1px solid var(--gold-border);
    margin-top: 16px;
    position: relative;
    overflow: hidden;
}

.card-preview-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold-primary), transparent);
    opacity: 0.5;
}

.card-preview-panel h4 {
    font-family: 'Cinzel', serif;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gold-primary);
    margin: 0 0 12px 0;
    text-align: center;
    text-shadow: 0 0 10px var(--gold-glow);
}

.preview-content {
    min-height: 120px;
}

.preview-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px 20px;
    text-align: center;
}

.preview-placeholder .preview-icon {
    font-size: 36px;
    margin-bottom: 10px;
    opacity: 0.5;
}

.preview-placeholder .preview-text {
    color: var(--text-muted);
    font-size: 12px;
    font-style: italic;
}

.preview-info {
    padding: 10px;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(212, 168, 87, 0.2);
}

.preview-header .card-name {
    font-family: 'Cinzel', serif;
    font-size: 1rem;
    font-weight: 700;
    color: var(--gold-primary);
}

.preview-header .card-cost {
    background: linear-gradient(135deg, var(--blue-primary) 0%, var(--blue-dark) 100%);
    color: white;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    box-shadow: 0 0 10px var(--blue-glow);
}

.preview-type-element {
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
}

.preview-type-element .card-type,
.preview-type-element .card-element {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-secondary);
}

.preview-stats {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 12px;
    padding: 10px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--border-radius-sm);
}

.preview-stats .stat {
    text-align: center;
}

.preview-stats .stat-value {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--gold-primary);
}

.preview-stats .stat-label {
    font-size: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
}

.preview-effect,
.preview-description {
    margin-bottom: 8px;
}

.preview-effect .effect-label,
.preview-description .description-label {
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.preview-effect .effect-text,
.preview-description .description-text {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* --- Archetype Section --- */
.archetype-section {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(139, 92, 246, 0.05) 100%);
    border-radius: var(--border-radius-md);
    padding: 12px;
    margin-bottom: 16px;
    border: 1px solid rgba(139, 92, 246, 0.2);
}

#deck-archetype-display {
    text-align: center;
}

.archetype-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: linear-gradient(135deg, var(--purple-primary) 0%, rgba(126, 34, 206, 0.8) 100%);
    border-radius: 20px;
    color: white;
    font-weight: 600;
    font-size: 13px;
    box-shadow: 0 0 15px var(--purple-glow);
}

.archetype-badge .archetype-icon {
    font-size: 16px;
}

/* --- Deck Stats Badges --- */
.deck-stats-display {
    margin-top: 16px;
}

.deck-stats-display h4 {
    font-family: 'Cinzel', serif;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 0 0 10px 0;
    padding-bottom: 6px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.stats-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
}

.stat-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 10px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 14px;
    font-size: 11px;
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.2s ease;
}

.stat-badge:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--gold-border);
}

.stat-badge .badge-count {
    background: rgba(0, 0, 0, 0.4);
    padding: 2px 6px;
    border-radius: 8px;
    font-weight: 700;
    color: var(--gold-primary);
    font-size: 10px;
}

/* Rarity Badge Colors */
.stat-badge.common { border-color: rgba(156, 163, 175, 0.3); }
.stat-badge.uncommon { border-color: rgba(34, 197, 94, 0.3); color: #4ade80; }
.stat-badge.rare { border-color: rgba(59, 130, 246, 0.3); color: #60a5fa; }
.stat-badge.legendary {
    border-color: rgba(245, 158, 11, 0.4);
    color: #fbbf24;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15) 0%, rgba(217, 119, 6, 0.1) 100%);
}

/* Type Badge Colors */
.stat-badge.summon { border-color: rgba(239, 68, 68, 0.3); color: #f87171; }
.stat-badge.spell { border-color: rgba(59, 130, 246, 0.3); color: #60a5fa; }
.stat-badge.event { border-color: rgba(168, 85, 247, 0.3); color: #a78bfa; }

/* --- Cinzel Font Import --- */
@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;500;600;700&display=swap');

/* --- Global Premium Scrollbar --- */
#screen-deck-manager *::-webkit-scrollbar,
#screen-collection *::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

#screen-deck-manager *::-webkit-scrollbar-track,
#screen-collection *::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
}

#screen-deck-manager *::-webkit-scrollbar-thumb,
#screen-collection *::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--gold-dark), var(--gold-primary));
    border-radius: 4px;
}

#screen-deck-manager *::-webkit-scrollbar-thumb:hover,
#screen-collection *::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--gold-primary), var(--gold-light));
}

/* --- Clear Button Enhancement --- */
#clear-filters-button {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.4);
    color: #fca5a5;
    padding: 8px 12px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 14px;
}

#clear-filters-button:hover {
    background: rgba(239, 68, 68, 0.3);
    border-color: #ef4444;
    transform: translateY(-1px);
}

/* --- Enhanced Drop Indicators --- */
.drop-indicator {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 3px dashed var(--gold-primary);
    border-radius: var(--border-radius-md);
    background: rgba(212, 168, 87, 0.1);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 100;
}

.drop-zone.drag-over .drop-indicator {
    opacity: 1;
}

.remove-indicator {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 10px 20px;
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.9) 0%, rgba(185, 28, 28, 0.9) 100%);
    color: white;
    font-weight: 600;
    border-radius: 20px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 100;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4);
}

.drag-active .remove-indicator {
    opacity: 1;
}

/* ============================================
   MODAL OVERLAY BASE STYLES
   Ensures all modals are clickable and above other content
   ============================================ */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.75);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 10000 !important;
    pointer-events: auto !important;
}

.modal-overlay.active,
.modal-overlay[style*="display: flex"],
.modal-overlay[style*="display: block"] {
    display: flex !important;
}

.modal-overlay .modal-content {
    position: relative;
    z-index: 10001;
    pointer-events: auto !important;
    background: linear-gradient(145deg, rgba(26, 21, 53, 0.98), rgba(15, 15, 35, 0.98));
    border: 1px solid var(--gold-border, rgba(212, 168, 87, 0.3));
    border-radius: 12px;
    padding: 24px;
    max-width: 90vw;
    max-height: 90vh;
    overflow: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 30px rgba(212, 168, 87, 0.1);
}

.modal-overlay .modal-content * {
    pointer-events: auto !important;
}

/* Quantity Selector Buttons */
.modal-overlay .quantity-selector button {
    cursor: pointer !important;
    pointer-events: auto !important;
}

.modal-overlay .modal-actions button {
    cursor: pointer !important;
    pointer-events: auto !important;
}