/* ==========================================================================
   Leaderboard Styles
   Leaderboard container, table, honor modal, badges, locked states,
   clickable names, distributions chart, stem stats, responsive overrides,
   dark theme overrides
   ========================================================================== */

/* Leaderboard Screen */
.leaderboard-container {
    background: var(--color-surface);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.leaderboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.leaderboard-header h2 {
    margin: 0;
}

/* View Toggle */
.leaderboard-view-toggle {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-xs);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    width: fit-content;
}

.view-toggle-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    background: transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    transition: all 0.2s ease;
}

.view-toggle-btn:hover {
    color: var(--color-text);
}

.view-toggle-btn.active {
    background: var(--color-surface);
    color: var(--color-primary);
    font-weight: 500;
    box-shadow: var(--shadow-sm);
}

/* Leaderboard Views */
.leaderboard-view {
    display: none;
}

.leaderboard-view.active {
    display: block;
}

/* Leaderboard Table */
.leaderboard-table-wrapper {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: var(--spacing-xl);
}

.leaderboard-table {
    width: 100%;
    min-width: 500px; /* Ensures table doesn't collapse too small */
    border-collapse: collapse;
}

.leaderboard-table th,
.leaderboard-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.leaderboard-table th {
    background: var(--color-bg);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

.leaderboard-table tbody tr:hover {
    background: var(--color-bg);
}

.leaderboard-table td.loading {
    text-align: center;
    color: var(--color-text-muted);
    font-style: italic;
    padding: var(--spacing-xl);
}

.leaderboard-table .rank {
    font-weight: 600;
    color: var(--color-primary);
}

.leaderboard-table .rank-1 { color: #f59e0b; }
.leaderboard-table .rank-2 { color: #94a3b8; }
.leaderboard-table .rank-3 { color: #b45309; }

.leaderboard-table .avg-stage {
    font-weight: 600;
}

.leaderboard-table .mode {
    text-transform: capitalize;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.leaderboard-table .lang-cell {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    white-space: nowrap;
}

/* Honor Mode Leaderboard Styles */
.honor-badge {
    margin-left: var(--spacing-xs);
    font-size: 0.9rem;
}

/* Suspicious Activity Badge (robot icon) */
.suspicious-badge {
    margin-right: var(--spacing-xs);
    font-size: 0.85rem;
    opacity: 0.7;
    cursor: help;
}

/* Donor Badge (supporter flair) */
.donor-badge {
    margin-right: var(--spacing-xs);
    font-size: 0.9rem;
    cursor: help;
    animation: donorPulse 2s ease-in-out infinite;
}

@keyframes donorPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.honor-row:hover {
    background: #e0f2fe !important;
}

/* Honor Mode Response Modal */
.honor-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-md);
}

.honor-modal {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    max-width: 700px;
    width: 100%;
    max-height: 80vh;
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-lg);
}

.honor-modal-close {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--spacing-xs);
    color: var(--color-text-muted);
    z-index: 1;
}

.honor-modal-close:hover {
    color: var(--color-text);
}

.honor-modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    max-height: 80vh;
}

.honor-modal-header {
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.honor-modal-header h3 {
    margin: 0 0 var(--spacing-xs);
    color: var(--color-text);
}

.honor-modal-header p {
    margin: 0;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.honor-responses-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.honor-response-item {
    padding: var(--spacing-md);
    background: var(--color-bg);
    border-radius: var(--radius-md);
}

.honor-stem {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
}

.honor-response {
    font-size: 1rem;
    color: var(--color-text);
    font-style: italic;
    margin-bottom: var(--spacing-sm);
}

.honor-scoring {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    padding: var(--spacing-sm);
    background: var(--color-surface);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--color-primary);
}

/* Distributions Chart */
.distributions-chart {
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
}

.chart-placeholder {
    color: var(--color-text-muted);
    font-style: italic;
}

/* Stem Stats Section */
.stem-stats-section {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.stem-stats-section h3 {
    margin: 0 0 var(--spacing-sm);
}

.stem-stats-section > p {
    margin: 0 0 var(--spacing-md);
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.stem-selector {
    margin-bottom: var(--spacing-lg);
}

.stem-selector label {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.stem-selector select {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.95rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    min-width: 300px;
}

.stem-stats-display {
    background: var(--color-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    min-height: 150px;
}

.stem-stats-placeholder {
    color: var(--color-text-muted);
    font-style: italic;
    text-align: center;
    margin: 0;
}

.stem-text-display {
    font-style: italic;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.stem-distribution-bars {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-md);
    height: 100px;
}

.stem-bar {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}

.stem-bar-fill {
    width: 100%;
    max-width: 50px;
    background: linear-gradient(to top, #10b981, #34d399);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    transition: height 0.5s ease;
    min-height: 4px;
}

.stem-bar-label {
    font-size: 0.7rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

.stem-bar-count {
    font-size: 0.65rem;
    color: var(--color-text);
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 600px) {
    .main-content {
        padding: var(--spacing-md);
    }

    .welcome-content,
    .assessment-container,
    .review-container,
    .results-container {
        padding: var(--spacing-lg);
    }

    .stem-text {
        font-size: 1.25rem;
    }

    .nav-buttons {
        flex-wrap: wrap;
    }

    .nav-buttons .btn {
        flex: 1;
        min-width: unset;
    }

    .export-buttons {
        flex-direction: column;
    }

    .saved-sessions li {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .session-actions {
        width: 100%;
    }

    .session-actions .btn {
        flex: 1;
    }

    /* Mode cards stack on mobile */
    .mode-cards {
        grid-template-columns: 1fr;
    }

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

    .mode-icon {
        font-size: 1.5rem;
    }

    .times-up-content {
        padding: var(--spacing-lg);
        margin: var(--spacing-md);
    }

    .times-up-icon {
        font-size: 3rem;
    }

    /* Leaderboard responsive */
    .leaderboard-container {
        padding: var(--spacing-lg);
    }

    .leaderboard-header {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .leaderboard-table {
        font-size: 0.85rem;
    }

    .leaderboard-table th,
    .leaderboard-table td {
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .leaderboard-post-form {
        flex-direction: column;
    }

    .leaderboard-name-input {
        min-width: 100%;
    }

    .stem-selector select {
        min-width: 100%;
    }
}

/* =========================================================================
   Leaderboard Speed Column
   ========================================================================= */

.leaderboard-table .avg-time {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.leaderboard-table .avg-time.fast {
    color: var(--color-success);
}

/* Leaderboard Locked State */
.leaderboard-locked {
    text-align: center;
    padding: var(--spacing-2xl) !important;
}

.leaderboard-locked .locked-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.leaderboard-locked .lock-icon {
    font-size: 3rem;
}

.leaderboard-locked .lock-message {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

/* Stem Stats Locked State */
.stats-locked {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-2xl);
    min-height: 150px;
}

.stats-locked .lock-icon {
    font-size: 3rem;
}

.stats-locked .lock-message {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

/* =========================================================================
   Leaderboard Clickable Names
   ========================================================================= */

.leaderboard-table .clickable-name {
    color: var(--color-primary);
    text-decoration: underline;
    text-decoration-style: dotted;
    text-underline-offset: 2px;
}

.leaderboard-table .clickable-row:hover .clickable-name {
    color: #0056b3;
}

/* Dark Theme — Leaderboard */
[data-theme="dark"] .leaderboard-table {
    background: var(--color-surface);
}

[data-theme="dark"] .leaderboard-table th {
    background: #0f1117;
    border-bottom: 2px solid var(--color-border);
}

[data-theme="dark"] .leaderboard-table tbody tr:hover {
    background: rgba(124, 122, 255, 0.08);
}

/* System preference fallback — Leaderboard */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .leaderboard-table {
        background: var(--color-surface);
    }

    :root:not([data-theme="light"]) .leaderboard-table th {
        background: #0f1117;
        border-bottom: 2px solid var(--color-border);
    }

    :root:not([data-theme="light"]) .leaderboard-table tbody tr:hover {
        background: rgba(124, 122, 255, 0.08);
    }
}

/* =========================================================================
   Shared Responses Feed
   ========================================================================= */

.shared-responses-description {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-lg);
}

.shared-responses-controls {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
    align-items: center;
}

.shared-responses-controls label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.shared-responses-controls select {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text);
    font-size: 0.9rem;
}

.shared-responses-feed {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* Stem group: the container for one stem's responses */
.shared-stem-group {
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-bg);
}

.shared-stem-header {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-primary);
    color: #fff;
}

.shared-stem-number {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 700;
    font-size: 0.85rem;
    white-space: nowrap;
}

.shared-stem-text {
    font-style: italic;
    flex: 1;
    font-size: 0.95rem;
}

.shared-stem-count {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.8rem;
    white-space: nowrap;
}

/* Individual response cards within a stem group */
.shared-stem-responses {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
}

.shared-response-item {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.shared-response-item:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
    border-left-color: var(--color-primary-hover);
}

.shared-response-text {
    font-style: italic;
    padding: 0;
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
    font-size: 0.95rem;
    color: var(--color-text);
}

.shared-response-meta {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
}

.shared-response-author {
    color: var(--color-primary);
    cursor: pointer;
    font-weight: 600;
}

.shared-response-author:hover {
    text-decoration: underline;
}

.shared-response-separator {
    color: var(--color-text-muted);
    user-select: none;
}

.shared-response-stage {
    opacity: 0;
    transition: opacity 0.2s ease;
    font-weight: 500;
    color: var(--color-primary);
}

.shared-response-item:hover .shared-response-stage {
    opacity: 1;
}

/* Touch devices: show stage always (no hover) */
@media (hover: none) {
    .shared-response-stage {
        opacity: 0.6;
    }
}

/* "Recent" mode: standalone card with stem label */
.shared-response-card {
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s ease;
}

.shared-response-card:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.shared-response-card .shared-response-stem-label {
    font-size: 0.85rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-style: italic;
    font-weight: 600;
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

.shared-load-more {
    text-align: center;
    padding: var(--spacing-lg) 0;
}

.shared-locked {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--color-text-muted);
}

.shared-locked .lock-icon {
    font-size: 1.5rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.shared-no-responses {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--color-text-muted);
    font-style: italic;
}