/* Very Good Dice Roller - Grid Layout Styles */

.dice-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.dice-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background-color: var(--bg-tertiary);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm);
    transition: background-color 0.2s ease;
}

.dice-card:hover {
    background-color: #4a5f7a;
}

.dice-card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-width: 60px;
}


.dice-card h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    min-width: 40px;
}

.dice-buttons {
    display: flex;
    gap: var(--spacing-xs);
    flex: 1;
}

.dice-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: 32px;
    min-width: 32px;
    flex: 1;
}

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

.dice-btn:active {
    transform: scale(0.98);
}


/* Dice type specific colors */
.dice-card[data-type="d20"] .dice-btn:hover {
    background-color: #e74c3c;
}

.dice-card[data-type="d12"] .dice-btn:hover {
    background-color: #9b59b6;
}

.dice-card[data-type="d10"] .dice-btn:hover {
    background-color: #f39c12;
}

.dice-card[data-type="d8"] .dice-btn:hover {
    background-color: #2ecc71;
}

.dice-card[data-type="d6"] .dice-btn:hover {
    background-color: #3498db;
}

.dice-card[data-type="d4"] .dice-btn:hover {
    background-color: #e67e22;
}

.dice-card[data-type="d100"] .dice-btn:hover {
    background-color: #1abc9c;
}

/* Advantage/Disadvantage indicators removed for cleaner design */

.dice-card {
    position: relative;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .dice-card {
        padding: var(--spacing-xs);
        gap: var(--spacing-sm);
    }
    
    .dice-card h3 {
        font-size: var(--font-size-sm);
        min-width: 35px;
    }
    
    .dice-btn {
        min-height: 28px;
        min-width: 28px;
        font-size: var(--font-size-xs);
    }
    
    .dice-buttons {
        gap: 2px;
    }
}

@media (max-width: 480px) {
    .dice-card {
        flex-direction: column;
        align-items: stretch;
    }
    
    .dice-card-header {
        justify-content: center;
    }
    
    .dice-buttons {
        justify-content: center;
    }
    
    .dice-btn {
        min-height: 36px;
        min-width: 36px;
    }
}

/* Loading and disabled states */
.dice-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.dice-btn.loading {
    position: relative;
    color: transparent;
}

.dice-btn.loading::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    color: var(--text-primary);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Dice result highlight */
.dice-card.just-rolled {
    animation: rollHighlight 0.6s ease-out;
}

/* Dice-type-specific animations */
.dice-card[data-type="d20"].just-rolled {
    animation: rollHighlight-d20 0.6s ease-out;
}

.dice-card[data-type="d12"].just-rolled {
    animation: rollHighlight-d12 0.6s ease-out;
}

.dice-card[data-type="d10"].just-rolled {
    animation: rollHighlight-d10 0.6s ease-out;
}

.dice-card[data-type="d8"].just-rolled {
    animation: rollHighlight-d8 0.6s ease-out;
}

.dice-card[data-type="d6"].just-rolled {
    animation: rollHighlight-d6 0.6s ease-out;
}

.dice-card[data-type="d4"].just-rolled {
    animation: rollHighlight-d4 0.6s ease-out;
}

.dice-card[data-type="d100"].just-rolled {
    animation: rollHighlight-d100 0.6s ease-out;
}

/* Dice-type-specific roll highlight animations */
@keyframes rollHighlight-d20 {
    0% {
        background-color: #e74c3c;
        transform: scale(1.02);
    }
    100% {
        background-color: var(--bg-secondary);
        transform: scale(1);
    }
}

@keyframes rollHighlight-d12 {
    0% {
        background-color: #9b59b6;
        transform: scale(1.02);
    }
    100% {
        background-color: var(--bg-secondary);
        transform: scale(1);
    }
}

@keyframes rollHighlight-d10 {
    0% {
        background-color: #f39c12;
        transform: scale(1.02);
    }
    100% {
        background-color: var(--bg-secondary);
        transform: scale(1);
    }
}

@keyframes rollHighlight-d8 {
    0% {
        background-color: #2ecc71;
        transform: scale(1.02);
    }
    100% {
        background-color: var(--bg-secondary);
        transform: scale(1);
    }
}

@keyframes rollHighlight-d6 {
    0% {
        background-color: #3498db;
        transform: scale(1.02);
    }
    100% {
        background-color: var(--bg-secondary);
        transform: scale(1);
    }
}

@keyframes rollHighlight-d4 {
    0% {
        background-color: #e67e22;
        transform: scale(1.02);
    }
    100% {
        background-color: var(--bg-secondary);
        transform: scale(1);
    }
}

@keyframes rollHighlight-d100 {
    0% {
        background-color: #1abc9c;
        transform: scale(1.02);
    }
    100% {
        background-color: var(--bg-secondary);
        transform: scale(1);
    }
}

/* Accessibility improvements */
.dice-btn[aria-pressed="true"] {
    background-color: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .dice-card {
        transition: none;
    }
    
    .dice-btn {
        transition: none;
    }
    
    .dice-card:hover {
        transform: none;
    }
    
    .dice-btn:hover {
        transform: none;
    }
    
    .dice-btn:active {
        transform: none;
    }
    
    .dice-btn.loading::after {
        animation: none;
    }
    
    .dice-card.just-rolled {
        animation: none;
    }
}

/* Dice card results */
.dice-result {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background-color: var(--bg-primary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    min-height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dice-card-result {
    text-align: center;
}

.result-total {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--accent-primary);
}

/* Dice header layout fix */
.dice-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.dice-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.dice-icon {
    color: var(--accent-primary);
    opacity: 0.8;
}

/* Roll results display */
.roll-result {
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.roll-header {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.roll-working {
    display: grid;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.roll-working.columns-1 { grid-template-columns: 1fr; }
.roll-working.columns-2 { grid-template-columns: repeat(2, 1fr); }
.roll-working.columns-3 { grid-template-columns: repeat(3, 1fr); }
.roll-working.columns-4 { grid-template-columns: repeat(4, 1fr); }
.roll-working.columns-5 { grid-template-columns: repeat(5, 1fr); }

.roll-details {
    background-color: var(--bg-tertiary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    text-align: center;
}

.roll-details.compact {
    font-size: var(--font-size-xs);
}

.roll-total {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--accent-secondary);
}

.stats-summary {
    text-align: center;
    font-size: var(--font-size-lg);
    color: var(--accent-warning);
    font-weight: 600;
}

/* History entries */
.history-entry {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
}

.history-entry:last-child {
    border-bottom: none;
}

.history-time {
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    min-width: 80px;
}

/* Enhanced Randomness Test Modal Styles */
.randomness-modal-content {
    max-width: 800px;
    max-height: 90vh;
    width: 90vw;
    overflow-y: auto;
}

.randomness-config {
    background: var(--bg-secondary);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
}

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

.config-row label {
    font-weight: 600;
    min-width: 100px;
}

.config-row select {
    padding: var(--spacing-xs);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.config-label {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.config-note {
    color: var(--text-secondary);
    font-style: italic;
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-sm);
}

.run-test-btn {
    background: var(--accent-primary);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    margin-top: var(--spacing-md);
    transition: background-color 0.3s ease;
}

.run-test-btn:hover {
    background: var(--accent-primary-dark);
}

.test-status {
    background: var(--bg-secondary);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    text-align: center;
    font-weight: 600;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-md);
}

.test-results {
    background: var(--bg-primary);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
}

.results-section, .methodology-section, .dice-performance-section, 
.progression-section, .guidance-section {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.results-section h3 {
    color: var(--accent-primary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.results-summary {
    background: var(--bg-secondary);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    font-family: var(--font-mono);
}

.results-summary div {
    margin-bottom: var(--spacing-xs);
}

.methodology-section p, .guidance-section p {
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.dice-performance {
    background: var(--bg-secondary);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
}

.dice-performance div {
    margin-bottom: var(--spacing-xs);
}

.progression-chart {
    background: var(--bg-secondary);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    line-height: 1.2;
    overflow-x: auto;
    white-space: pre;
}

.guidance-section ol {
    padding-left: var(--spacing-lg);
    line-height: 1.6;
}

.guidance-section li {
    margin-bottom: var(--spacing-xs);
}

.test-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.secondary-btn {
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.secondary-btn:hover {
    background: var(--bg-tertiary);
}

.history-notation {
    font-weight: 600;
    color: var(--text-primary);
}

.history-modifier {
    color: var(--accent-warning);
    font-weight: 500;
}

.history-total {
    font-weight: 700;
    color: var(--accent-primary);
    min-width: 60px;
    text-align: right;
}

/* Statistics display */
.stats-overview h4,
.stats-dice-frequency h4,
.stats-roll-frequency h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-xs);
}

.stats-overview p,
.stats-dice-frequency p,
.stats-roll-frequency p {
    margin: var(--spacing-xs) 0;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
}

/* Test results */
.test-result {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border-left: 4px solid;
}

.test-result.passed {
    background-color: rgba(46, 204, 113, 0.1);
    border-left-color: var(--accent-secondary);
}

.test-result.failed {
    background-color: rgba(231, 76, 60, 0.1);
    border-left-color: var(--accent-danger);
}

.test-result h5 {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--text-primary);
}

.test-result p {
    margin: var(--spacing-xs) 0;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.test-info {
    background-color: var(--bg-secondary);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-md);
}

.test-info p {
    margin: 0;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-style: italic;
}

/* New button styles */
.roll-mode-buttons {
    display: flex;
    gap: var(--spacing-xs);
}


.mode-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: var(--font-size-sm);
    white-space: nowrap;
    height: 32px;
    box-sizing: border-box;
}

.mode-btn:hover {
    background-color: var(--hover-overlay);
    border-color: var(--text-muted);
}

.mode-btn.active {
    background-color: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.mode-btn.active.advantage {
    background-color: var(--accent-secondary);
    border-color: var(--accent-secondary);
}

.mode-btn.active.disadvantage {
    background-color: var(--accent-danger);
    border-color: var(--accent-danger);
}

.toggle-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: var(--font-size-sm);
    min-width: 200px;
    text-align: center;
    white-space: nowrap;
    height: 32px;
    box-sizing: border-box;
}

.toggle-btn:hover {
    background-color: var(--hover-overlay);
    border-color: var(--text-muted);
}

.toggle-btn.has-modifier {
    border: 2px solid var(--accent-warning);
    border-color: var(--accent-warning);
}

/* Unified button flash animation - reusable for all buttons */
.btn-flash {
    background-color: var(--accent-warning) !important;
    color: white !important;
    animation: button-flash 150ms ease-out;
}

/* Legacy support for existing just-pressed class */
.toggle-btn.just-pressed {
    background-color: var(--accent-warning);
    color: white;
    animation: button-flash 150ms ease-out;
}

@keyframes button-flash {
    0% {
        background-color: var(--bg-tertiary);
        color: var(--text-secondary);
    }
    50% {
        background-color: var(--accent-warning);
        color: white;
    }
    100% {
        background-color: var(--accent-warning);
        color: white;
    }
}

/* Expand button styling */
.expand-btn {
    background: none;
    border: none;
    color: var(--accent-primary);
    cursor: pointer;
    font-size: var(--font-size-sm);
    margin-left: var(--spacing-xs);
    padding: 0;
    text-decoration: underline;
}

.expand-btn:hover {
    color: var(--accent-secondary);
}

/* Roll result header */
.roll-result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.roll-notation {
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--font-size-base);
}

.roll-total {
    font-weight: 700;
    color: var(--accent-primary);
    font-size: var(--font-size-base);
}

/* Roll details compact styling */
.roll-details {
    background-color: var(--bg-tertiary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.roll-expanded {
    background-color: var(--bg-primary);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .dice-card {
        border: 2px solid var(--text-primary);
    }
    
    .dice-btn {
        border: 2px solid var(--text-secondary);
    }
    
    .dice-btn:hover {
        border: 2px solid white;
    }
    
    .roll-result {
        border: 2px solid var(--accent-primary);
    }
    
    .dice-result {
        border: 2px solid var(--border-color);
    }
}

/* Expression Builder Styles */
.expression-builder {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--bg-tertiary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.expression-builder h4 {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--text-primary);
    font-size: var(--font-size-base);
    font-weight: 600;
}

.expression-display {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    min-height: 40px;
    display: flex;
    align-items: center;
}

.expression-placeholder {
    color: var(--text-secondary);
    font-style: italic;
    margin: 0;
    font-size: var(--font-size-sm);
}

.expression-text {
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-weight: 600;
    margin: 0;
    font-size: var(--font-size-base);
}

.expression-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

.expression-actions .secondary-btn {
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.expression-actions .secondary-btn:hover {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.expression-actions .roll-btn {
    background-color: var(--accent-primary);
    color: white;
    border: 1px solid var(--accent-primary);
}

.expression-actions .roll-btn:hover {
    background-color: var(--accent-secondary);
    border-color: var(--accent-secondary);
}

/* Build Expression button active state */
/* Modifier mode button active state (per-total mode) */
#modifier-mode-btn.active {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

/* Build expression button active state (building mode) */
#build-expression-btn.active {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 2px solid var(--accent-warning);
}

/* Has-modifier takes precedence (higher specificity) */
.toggle-btn.has-modifier {
    border: 2px solid var(--accent-warning);
}

/* Ensure hover states work for specific toggle buttons */
#build-expression-btn:hover,
#modifier-mode-btn:hover {
    background-color: var(--hover-overlay);
    border-color: var(--text-muted);
}

/* Expression result breakdown styling */
.roll-expanded strong {
    color: var(--text-primary);
    font-weight: 600;
}

.roll-expanded .expression-component {
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-sm);
}

.roll-expanded .expression-step {
    color: var(--text-secondary);
    font-family: var(--font-mono);
    margin: var(--spacing-xs) 0;
}


/* Mobile responsive */
@media (max-width: 768px) {
    .expression-builder {
        padding: var(--spacing-sm);
    }
    
    .expression-actions {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .expression-actions button {
        width: 100%;
    }
    
    .toggle-btn {
        min-width: 180px;
        font-size: var(--font-size-xs);
    }
}