/* ==================== GLASSMORPHISM COMPONENTS ==================== */

/* ==================== GLASS PANEL ==================== */

.panel {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--glass-shadow), inset 0 1px 0 var(--glass-highlight);
    transition:
        transform var(--transition-normal),
        border-color var(--transition-normal),
        box-shadow var(--transition-normal);
    margin-bottom: var(--spacing-2xl);
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
    position: relative;
}

.panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--glass-highlight), transparent);
    opacity: 0.5;
}

.panel:hover {
    transform: translateY(-2px);
    border-color: var(--glass-border-hover);
    box-shadow: var(--glass-shadow), 0 0 20px var(--accent-glow);
}

/* Deck config panel specific */
#deck-config {
    margin-bottom: var(--spacing-lg);
}

#deck-config:not(.expanded) {
    margin-bottom: var(--spacing-sm);
}

/* ==================== NAVIGATION - TAB GROUPS ==================== */

.tab-groups {
    width: 100%;
}

#tab-group-nav {
    display: flex !important;
}

#tab-group-nav.hidden {
    display: none !important;
}

.tab-group-header {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    padding: var(--spacing-sm);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
    flex-wrap: wrap;
}

.tab-group-btn {
    flex: 1;
    min-width: 100px;
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-normal);
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.tab-group-btn:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border);
    color: var(--text-light);
}

.tab-group-btn.active {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    border-color: transparent;
    color: var(--bg-dark);
    box-shadow: 0 4px 16px var(--accent-glow);
}

.tab-icon {
    font-size: 1.1rem;
}

/* ==================== SUB-NAVIGATION PILLS ==================== */

.tab-sub-nav {
    position: relative;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.sub-nav-group {
    display: none;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
    overflow-x: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--accent) transparent;
    -webkit-overflow-scrolling: touch;
    justify-content: center;
    flex-wrap: wrap;
    touch-action: pan-x;
}

.sub-nav-group.active {
    display: flex;
}

.sub-nav-group::-webkit-scrollbar {
    height: 4px;
}

.sub-nav-group::-webkit-scrollbar-track {
    background: transparent;
}

.sub-nav-group::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: var(--radius-full);
}

.sub-nav-pill {
    flex-shrink: 0;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all var(--transition-normal);
    white-space: nowrap;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.sub-nav-pill:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border);
    color: var(--text-light);
}

.sub-nav-pill.active {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bg-dark);
    font-weight: 600;
    box-shadow: 0 2px 8px var(--accent-glow);
}

.sub-nav-pill span {
    font-size: 1rem;
}

/* ==================== ICON BUTTONS ==================== */

.icon-btn {
    width: 40px;
    height: 40px;
    padding: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
    flex-shrink: 0;
}

.icon-btn:hover {
    background: var(--glass-bg-hover);
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--accent-glow);
}

.icon-btn:active {
    transform: translateY(0);
}

.icon-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bg-dark);
}

/* ==================== LEGACY DROPDOWN SELECTOR ==================== */

.calculator-selector {
    position: relative;
    width: 100%;
    max-width: 400px;
    margin: 0 auto var(--spacing-2xl);
    z-index: var(--z-dropdown);
    display: none;
}

.calculator-selector.shown {
    display: block !important;
    margin-bottom: var(--spacing-2xl);
}

.selector-button {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--accent);
    border-radius: var(--radius-lg);
    color: var(--text-light);
    font-family: var(--font-display);
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 16px var(--accent-glow);
    user-select: none;
}

.selector-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--accent-glow);
}

.selector-current {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex: 1;
}

.selector-icon {
    font-size: 1.3rem;
}

.selector-arrow {
    font-size: 0.8rem;
    transition: transform var(--transition-normal);
    color: var(--accent);
}

.calculator-selector.open .selector-arrow {
    transform: rotate(180deg);
}

.selector-dropdown {
    position: absolute;
    top: calc(100% + var(--spacing-sm));
    left: 0;
    right: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--accent);
    border-radius: var(--radius-lg);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
    max-height: 0;
    overflow-y: auto;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                opacity var(--transition-normal),
                transform var(--transition-normal);
    opacity: 0;
    transform: translateY(-10px);
}

.calculator-selector.open .selector-dropdown {
    max-height: 400px;
    opacity: 1;
    transform: translateY(0);
}

.selector-option {
    padding: var(--spacing-md) var(--spacing-xl);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
    font-family: var(--font-display);
    font-size: 0.95rem;
    color: var(--text-secondary);
    user-select: none;
}

.selector-option:not(:last-child) {
    border-bottom: 1px solid var(--glass-border);
}

.selector-option:hover {
    background: var(--glass-bg-hover);
    color: var(--text-light);
    padding-left: calc(var(--spacing-xl) + 4px);
}

.selector-option.active {
    background: var(--theme-tint);
    border-left-color: var(--accent);
    color: var(--accent);
    font-weight: 600;
}

.selector-option-icon {
    font-size: 1.3rem;
    flex-shrink: 0;
}

/* ==================== INPUT GROUPS ==================== */

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

.input-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.input-group input[type="text"],
.input-group input[type="number"],
.input-group textarea {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    background: var(--input-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-light);
    font-size: 1rem;
    font-family: var(--font-body);
    transition:
        border-color var(--transition-normal),
        box-shadow var(--transition-normal),
        background var(--transition-normal);
    resize: vertical;
    min-height: 44px;
}

.input-group input:hover,
.input-group textarea:hover {
    border-color: var(--glass-border-hover);
    background: rgba(0, 0, 0, 0.35);
}

.input-group input:focus,
.input-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
    background: rgba(0, 0, 0, 0.4);
}

.input-group textarea {
    font-family: var(--font-mono);
    line-height: 1.5;
}

.input-group textarea::placeholder {
    font-family: var(--font-body);
    color: var(--text-dim);
    font-style: italic;
}

/* Checkbox styling */
.input-group input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent);
    cursor: pointer;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    user-select: none;
}

.helper-text {
    font-size: 0.8rem;
    color: var(--text-dim);
    margin-top: var(--spacing-xs);
}

/* ==================== TYPE GRID ==================== */

.type-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.type-input {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--input-bg);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    transition: border-color var(--transition-fast);
}

.type-input:hover {
    border-color: var(--glass-border-hover);
}

.type-input label {
    flex: 1;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0;
}

.type-input input {
    width: 56px;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    color: var(--text-light);
    font-size: 0.9rem;
    text-align: center;
    font-family: var(--font-body);
    transition: all var(--transition-fast);
}

.type-input input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-glow);
}

/* ==================== DECK TOTAL ==================== */

.deck-total {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    text-align: center;
    background: var(--theme-tint);
    border: 1px solid var(--glass-border);
    color: var(--accent);
    transition: all var(--transition-slow);
}

.deck-total span {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--accent-light);
}

/* ==================== X SLIDER ==================== */

.x-slider-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    width: 100%;
}

.x-slider-row input[type="range"] {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 8px;
    border-radius: var(--radius-full);
    outline: none;
    cursor: pointer;
    min-width: 0;
    position: relative;
    background: linear-gradient(90deg, var(--glass-border), var(--glass-border-hover));
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.4);
}

.x-slider-row input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    cursor: pointer;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    box-shadow: 0 2px 8px var(--accent-glow), 0 0 0 2px var(--glass-highlight);
    transition: all var(--transition-normal);
    border: none;
}

.x-slider-row input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px var(--accent-glow), 0 0 0 3px var(--glass-highlight);
}

.x-slider-row input[type="range"]::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    cursor: pointer;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    box-shadow: 0 2px 8px var(--accent-glow);
    transition: all var(--transition-normal);
    border: none;
}

.x-number {
    width: 72px !important;
    min-width: 72px;
    max-width: 72px;
    text-align: center;
    flex-shrink: 0;
    padding: var(--spacing-sm) !important;
    font-weight: 600;
}

/* ==================== IMPORT SECTION ==================== */

.import-section {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--glass-border);
}

.import-row {
    display: flex;
    gap: var(--spacing-sm);
}

.import-row input {
    flex: 1;
}

.import-btn {
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    color: var(--bg-dark);
    font-weight: 600;
    font-family: var(--font-display);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
    letter-spacing: 0.5px;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    border: none;
    box-shadow: 0 4px 12px var(--accent-glow);
}

.import-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--accent-glow);
    filter: brightness(1.1);
}

.import-btn:active {
    transform: translateY(0);
}

.import-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 0.9; }
}

.import-status {
    margin-top: var(--spacing-sm);
    font-size: 0.85rem;
    min-height: 20px;
    transition: all var(--transition-normal);
}

.import-status.success {
    color: var(--success);
    animation: fadeInUp 0.4s ease;
}

.import-status.error {
    color: var(--danger);
    animation: shake 0.4s ease;
}

.import-status.loading {
    color: var(--accent);
}

/* Progress bar */
.import-progress {
    margin-top: var(--spacing-sm);
    height: 4px;
    background: var(--glass-bg);
    border-radius: var(--radius-full);
    overflow: hidden;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.import-progress.visible {
    opacity: 1;
}

.import-progress-bar {
    height: 100%;
    width: 0%;
    border-radius: var(--radius-full);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    box-shadow: 0 0 10px var(--accent-glow);
}

.import-progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

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

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.deck-name {
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    margin-top: var(--spacing-sm);
    font-size: 0.9rem;
    background: var(--theme-tint);
    border: 1px solid var(--glass-border);
    color: var(--accent-light);
}

.deck-name .label {
    color: var(--text-muted);
    font-size: 0.8rem;
    display: block;
    margin-bottom: 2px;
}

/* ==================== CHARTS ==================== */

.chart-container {
    position: relative;
    height: 280px;
    margin-bottom: var(--spacing-xl);
}

.chart-legend {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-md);
    font-size: 0.85rem;
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-sm);
    box-shadow: 0 0 4px currentColor;
}

/* ==================== COMPARISON TABLE ==================== */

.table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-md);
    max-width: 100%;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--spacing-md);
    font-size: 0.9rem;
    min-width: 500px;
}

.comparison-table th,
.comparison-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: center;
    vertical-align: middle;
    transition: background var(--transition-fast), color var(--transition-fast);
    border: 1px solid var(--glass-border);
}

.comparison-table th {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    background: var(--glass-bg);
    color: var(--accent);
    border-bottom: 2px solid var(--glass-border-hover);
    text-transform: uppercase;
}

.comparison-table tbody tr {
    transition: all var(--transition-fast);
    background: transparent;
}

.comparison-table tbody tr:nth-child(even) {
    background: var(--glass-bg);
}

.comparison-table tbody tr:hover {
    background: var(--glass-bg-hover) !important;
    transform: translateX(2px);
}

.comparison-table .current {
    font-weight: 600;
    background: var(--theme-tint) !important;
    border-left: 3px solid var(--accent);
}

.marginal-positive {
    color: var(--success);
}

.marginal-negative {
    color: var(--danger);
}

.section-header {
    background: var(--glass-bg-hover) !important;
}

.section-header td {
    padding: var(--spacing-sm) var(--spacing-md) !important;
    font-size: 0.8em;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

/* ==================== INSIGHT BOX ==================== */

.insight-box {
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    background: var(--theme-tint);
    border: 1px solid var(--glass-border);
}

.insight-box h3 {
    font-family: var(--font-display);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
    color: var(--accent);
}

.insight-box p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==================== STAT CARDS ==================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.stat-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    transition:
        transform var(--transition-normal),
        box-shadow var(--transition-normal),
        border-color var(--transition-normal);
    animation: fadeInUp 0.4s ease backwards;
}

.stat-card:nth-child(1) { animation-delay: 0.05s; }
.stat-card:nth-child(2) { animation-delay: 0.1s; }
.stat-card:nth-child(3) { animation-delay: 0.15s; }
.stat-card:nth-child(4) { animation-delay: 0.2s; }

.stat-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 8px 24px var(--accent-glow);
    border-color: var(--accent);
}

/* ==================== MULLIGAN CARD TYPES ==================== */

.card-type-row {
    background: var(--glass-bg);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-normal);
    border: 1px solid var(--glass-border);
}

.card-type-row:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px var(--accent-glow);
    border-color: var(--glass-border-hover);
}

.type-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.type-name-input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    background: var(--input-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-light);
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-body);
    transition: all var(--transition-normal);
}

.type-name-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.remove-type-btn {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--danger);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.remove-type-btn:hover {
    background: rgba(239, 68, 68, 0.25);
    border-color: var(--danger);
    transform: scale(1.05);
}

.remove-type-btn:active {
    transform: scale(0.95);
}

/* Preset buttons */
.preset-btn {
    flex: 1;
    padding: var(--spacing-sm);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.preset-btn:hover {
    border-color: var(--glass-border-hover);
    background: var(--glass-bg-hover);
    color: var(--text-light);
}

.preset-btn.active {
    border-color: var(--accent);
    background: var(--theme-tint);
    color: var(--accent-light);
}

/* ==================== COLLAPSIBLE PANELS ==================== */

.collapsible-panel {
    overflow: hidden;
    transition: margin-bottom 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
    margin: calc(var(--spacing-xl) * -1);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    transition: background var(--transition-fast);
}

.panel-header:hover {
    background: var(--glass-bg-hover);
}

.panel-header h2 {
    margin: 0;
    padding: 0;
    border: none;
}

.collapse-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 1rem;
    transition: transform var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

.collapse-btn:hover {
    background: var(--glass-bg);
    color: var(--accent);
}

.collapse-icon {
    display: inline-block;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.panel-content {
    max-height: 2000px;
    overflow: hidden;
    transition:
        max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1),
        opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1),
        padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 1;
}

.collapsible-panel:not(.expanded) .panel-content {
    max-height: 0;
    opacity: 0;
    padding-top: 0;
    padding-bottom: 0;
}

.collapsible-panel:not(.expanded) .collapse-icon {
    transform: rotate(-90deg);
}

.collapsible-panel:not(.expanded) .panel-header {
    margin-bottom: calc(var(--spacing-xl) * -1);
    border-radius: var(--radius-xl);
}

/* ==================== SAMPLE REVEALS ==================== */

.sample-reveal {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    transition: border-color var(--transition-fast);
}

.sample-reveal.free-spell {
    border-color: var(--success);
    background: rgba(34, 197, 94, 0.08);
}

.sample-reveal.whiff {
    border-color: var(--danger);
    background: rgba(239, 68, 68, 0.08);
}

.reveal-card {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    margin: 3px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    transition: transform var(--transition-fast);
}

.reveal-card:hover {
    transform: translateY(-2px);
}

.reveal-card.creature { background: var(--type-creature); color: #000; }
.reveal-card.sorcery { background: var(--type-sorcery); color: #fff; }
.reveal-card.instant { background: var(--type-instant); color: #fff; }
.reveal-card.artifact { background: var(--type-artifact); color: #000; }
.reveal-card.enchantment { background: var(--type-enchantment); color: #fff; }
.reveal-card.planeswalker { background: var(--type-planeswalker); color: #000; }
.reveal-card.battle { background: var(--type-battle); color: #fff; }
.reveal-card.land { background: var(--type-land); color: #fff; }
.reveal-card.dual { border: 2px dashed rgba(255, 255, 255, 0.5); }

.reveal-summary {
    margin-top: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.reveal-summary strong {
    font-size: 0.9rem;
}

.reveal-summary.free-spell strong {
    color: var(--success);
}

/* ==================== DISTRIBUTION CHART ==================== */

.distribution-chart {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    font-size: 0.9em;
    width: 100%;
}

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

.dist-label {
    min-width: 80px;
    text-align: right;
    color: var(--text-secondary);
    white-space: nowrap;
}

.dist-bar-container {
    flex: 1;
    background: var(--glass-bg);
    height: 16px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    display: flex;
    align-items: center;
}

.dist-bar {
    height: 100%;
    border-radius: var(--radius-sm);
    transition: width 0.5s ease;
    min-width: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
}

.dist-value {
    width: 52px;
    text-align: right;
    font-weight: 600;
    color: var(--text-light);
    font-feature-settings: "tnum";
}

.dist-marker {
    font-size: 0.85em;
    color: var(--accent-light);
    white-space: nowrap;
    font-weight: 600;
}

/* ==================== BIG SPELL COMPARISON ==================== */

.big-spell-comparison-container {
    background: var(--glass-bg);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--glass-border);
}

.big-spell-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.big-spell-card {
    background: var(--glass-bg-hover);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.big-spell-card:hover {
    transform: translateY(-2px);
    border-color: var(--glass-border-hover);
}

.big-spell-title {
    margin-top: 0;
    font-size: 0.9em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-light);
}

.big-spell-x-value {
    margin-bottom: 4px;
    font-weight: 700;
    font-size: 1.1em;
    color: var(--accent);
}

.big-spell-value {
    font-size: 2em;
    font-weight: 700;
    color: var(--accent-light);
}

.big-spell-metric {
    color: var(--text-secondary);
    font-size: 0.8em;
    margin-bottom: var(--spacing-sm);
}

.big-spell-details {
    color: var(--text-dim);
    font-size: 0.8em;
    border-top: 1px solid var(--glass-border);
    padding-top: var(--spacing-sm);
}

.big-spell-restriction {
    margin-top: 4px;
    font-size: 0.85em;
    line-height: 1.2;
}

.big-spell-recommendations {
    margin-top: var(--spacing-md);
}

.big-spell-recommendation-item {
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
}