@layer components {
/* ============================================
   Widget & Component Styles
   ============================================ */

/* --- Status Indicator --- */
.status-indicator {
    background: none;
    border: none;
    padding: 0;
}

.status-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 14px;
    border-radius: 20px;
    background: var(--surface-1);
    border: 1px solid var(--border-color);
}

.status-dot {
    position: relative;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.status-dot.connected {
    background: var(--color-success);
    box-shadow: 0 0 8px var(--color-success-glow);
}

.status-dot.partial {
    background: var(--color-warning);
    box-shadow: 0 0 8px var(--color-warning-glow);
}

.status-dot.disconnected {
    background: var(--color-danger);
}

.status-dot.connected .status-pulse,
.status-dot.partial .status-pulse {
    position: absolute;
    top: -3px;
    left: -3px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.status-dot.connected .status-pulse {
    background: var(--color-success);
}

.status-dot.partial .status-pulse {
    background: var(--color-warning);
}

.status-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.status-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
}

.status-detail {
    font-size: 0.7rem;
    color: var(--text-muted);
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* --- Gauge Widget --- */
.gauge-widget {
    background: none;
    border: none;
    padding: 0;
}

.gauge-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.gauge-reading {
    font-family: var(--font-mono);
    font-size: 1.6rem;
    font-weight: 700;
    fill: var(--text-primary);
}

.gauge-unit {
    font-size: 0.8rem;
    fill: var(--text-muted);
}

.gauge-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    text-align: center;
}

.gauge-track {
    opacity: 0.3;
}

/* --- Challenge Card --- */
.challenge-card {
    background: none;
    border: none;
    padding: 0;
}

.card-inner {
    position: relative;
    background: var(--bg-card);
    border: 1px solid transparent;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-normal);
    outline: none;
    box-shadow: var(--shadow-sm);
    /* Performance: hint to browser for animated properties */
    will-change: transform, box-shadow;
}

.card-delete-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    z-index: 2; /* above .card-overlay which shares --z-raised:1 */
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: none;
    background: var(--overlay-dark);
    color: var(--color-danger);
    font-size: 1.2rem;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-fast), background var(--transition-fast);
}

.card-inner:hover .card-delete-btn {
    opacity: 1;
}

.card-delete-btn:hover {
    background: var(--color-danger);
    color: white;
}

.card-edit-btn {
    position: absolute;
    top: 8px;
    right: 44px;
    z-index: 2; /* above .card-overlay which shares --z-raised:1 */
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: none;
    background: var(--overlay-dark);
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
}

.card-inner:hover .card-edit-btn {
    opacity: 1;
}

.card-edit-btn:hover {
    background: var(--accent);
    color: white;
}

.card-inner:hover,
.card-inner:focus-visible {
    background: var(--bg-card-hover);
    border-color: var(--border-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: var(--surface-1);
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.card-inner:hover .card-image img {
    transform: scale(1.05);
}

/* Dark mode: invert card drawings (white bg → dark; lines stay readable) */
[data-theme="dark"] .card-image:not(.card-has-thumbnail) img {
    filter: invert(1) hue-rotate(180deg);
}

/* --- 3D Thumbnail cards — premium presentation ---
   Thumbnails are isometric renders exported with a transparent background.
   They sit directly on the card surface so there's no visible image border.
   For fallback (white-bg) thumbnails the card surface already closely
   matches, and the contain + padding keeps the model well-framed. */

.card-has-thumbnail {
    background: var(--bg-card);
}

.card-has-thumbnail img {
    object-fit: contain;
    padding: 16px 20px;
}

/* Smooth fade at the bottom edge of the thumbnail image area */
.card-has-thumbnail::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 32px;
    background: linear-gradient(to bottom, transparent, var(--bg-card));
    pointer-events: none;
    z-index: var(--z-raised);
}

[data-theme="dark"] .card-has-thumbnail {
    background: var(--bg-card);
}

[data-theme="dark"] .card-has-thumbnail img {
    filter: none;
}

.card-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: var(--z-raised);
    backdrop-filter: blur(2px);
}

/* Softer hover overlay on thumbnail cards (light background) */
.card-has-thumbnail .card-overlay {
    background: rgba(0, 0, 0, 0.35);
}

.card-inner:hover .card-overlay {
    opacity: 1;
}

.card-play-icon {
    font-size: 2.5rem;
    color: white;
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.4));
}

.card-content {
    padding: 16px 20px;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.card-difficulty {
    font-size: 0.85rem;
}

.star { color: var(--surface-3); }
.star-filled { color: var(--color-warning); }

.card-mode-badge {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 2px 7px;
    border-radius: 10px;
    background: var(--warning-bg);
    color: var(--color-warning);
    border: 1px solid var(--warning-border);
    white-space: nowrap;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.card-tag {
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 12px;
    background: var(--surface-1);
    color: var(--text-muted);
    text-transform: lowercase;
}

/* Card footer row: tags + stats side by side */
.card-footer-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 8px;
    min-height: 24px;
}

.card-footer-row .card-tags {
    flex: 1;
    min-width: 0;
}

/* Card stats (completion count + personal best) */
.card-stats {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.card-completion-count {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
}

.card-completion-count svg {
    opacity: 0.7;
    flex-shrink: 0;
}

.card-personal-best {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    font-size: var(--text-xs);
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--accent);
    white-space: nowrap;
    background: var(--accent-bg);
    padding: 2px 6px;
    border-radius: 6px;
}

.card-personal-best svg {
    opacity: 0.8;
    flex-shrink: 0;
}

/* NEW ribbon on recently created challenges */
.card-new-ribbon {
    position: absolute;
    top: 12px;
    left: -4px;
    z-index: var(--z-raised);
    font-size: 0.6rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 3px 10px 3px 8px;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    color: white;
    border-radius: 0 6px 6px 0;
    box-shadow: 0 2px 6px var(--accent-border-strong);
    animation: ribbon-pop 0.4s ease-out;
}

.card-new-ribbon::before {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 4px;
    height: 4px;
    background: var(--accent-hover);
    clip-path: polygon(0 0, 100% 0, 100% 100%);
}

@keyframes ribbon-pop {
    from { opacity: 0; transform: translateX(-8px); }
    to { opacity: 1; transform: translateX(0); }
}

/* Completion checkmark badge */
.card-completed-check {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: var(--z-raised);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--color-success);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(34, 197, 94, 0.35);
    opacity: 0.95;
    transition: transform var(--transition-fast);
}

.card-inner:hover .card-completed-check {
    transform: scale(1.1);
}

/* --- Live Feed --- */
.live-feed {
    max-height: 200px;
    display: flex;
    flex-direction: column;
}

.feed-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.feed-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.feed-count {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.feed-scroll {
    flex: 1;
    overflow-y: auto;
    max-height: 150px;
}

.feed-entry {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 3px 0;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    border-bottom: 1px solid var(--surface-1);
    transition: background var(--transition-fast);
}

.feed-time {
    color: var(--text-muted);
    flex-shrink: 0;
}

.feed-value {
    color: var(--text-primary);
    font-weight: 600;
}

.feed-unit {
    color: var(--text-muted);
}

/* --- Toast Notifications --- */
.toast-container {
    position: fixed;
    top: 72px;
    right: 20px;
    z-index: var(--z-overlay);
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-lg);
    pointer-events: auto;
    min-width: 280px;
    max-width: 420px;
    animation: toast-slide-in 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.toast-success { border-left: 3px solid var(--color-success); }
.toast-warning { border-left: 3px solid var(--color-warning); }
.toast-error { border-left: 3px solid var(--color-danger); }
.toast-info { border-left: 3px solid var(--accent); }

/* Subtle icon tinting per toast type */
.toast-success .toast-icon { color: var(--color-success); }
.toast-warning .toast-icon { color: var(--color-warning); }
.toast-error .toast-icon { color: var(--color-danger); }
.toast-info .toast-icon { color: var(--accent); }

.toast-icon { font-size: 1rem; flex-shrink: 0; }

.toast-message {
    flex: 1;
    font-size: 0.85rem;
    color: var(--text-primary);
    line-height: 1.4;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
    transition: color var(--transition-fast);
    border-radius: 4px;
}

.toast-close:hover {
    color: var(--text-primary);
    background: var(--surface-1);
}

.toast-exit {
    animation: toast-slide-out 0.25s ease-in forwards;
}

/* Auto-dismiss progress bar at bottom of toast */
.toast-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    border-radius: 0 0 var(--border-radius-sm) var(--border-radius-sm);
    background: currentColor;
    opacity: 0.3;
    animation: toast-progress-shrink linear forwards;
}

@keyframes toast-progress-shrink {
    from { width: 100%; }
    to { width: 0%; }
}

/* --- Error State --- */
.error-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-12) var(--space-6);
    gap: var(--space-4);
}

.error-state-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--danger-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-2);
}

.error-state-icon svg {
    width: 36px;
    height: 36px;
    color: var(--color-danger);
    opacity: 0.7;
}

.error-state-title {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.error-state-text {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    max-width: 400px;
    line-height: 1.5;
    margin: 0;
}

.error-state-retry {
    margin-top: var(--space-2);
}

.error-state-hint {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-top: var(--space-2);
    max-width: 380px;
}

.error-state-hint svg {
    flex-shrink: 0;
    opacity: 0.5;
}

/* --- Modal --- */
.modal-overlay {
    background: none;
    border: none;
    padding: 0;
}

.modal-overlay.modal-visible .modal-backdrop {
    opacity: 1;
}

.modal-overlay.modal-visible .modal-dialog {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: var(--overlay-darker);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-dialog {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl, 24px);
    box-shadow:
        var(--shadow-lg),
        0 0 60px rgba(0, 0, 0, 0.3);
    z-index: var(--z-modal-content);
    min-width: 400px;
    max-width: 90vw;
    opacity: 0;
    transition: all 0.3s ease;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: 1.3rem;
    font-weight: 700;
}

.modal-close-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
}

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

.modal-body {
    padding: 24px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
}

.modal-btn {
    padding: 10px 20px;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.modal-btn:hover {
    background: var(--surface-1);
    color: var(--text-primary);
}

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

.modal-btn.btn-primary:hover {
    background: var(--accent-hover);
}

/* --- Win Content --- */
.win-content {
    text-align: center;
}

.win-time {
    font-family: var(--font-mono);
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-success), #4ade80);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 20px var(--color-success-glow));
    margin-bottom: 12px;
    line-height: 1;
}

.win-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.win-details {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.win-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 16px;
    background: var(--surface-1);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    border: 1px solid transparent;
    transition: border-color var(--transition-fast);
}

.win-row:hover {
    border-color: var(--border-color);
}

.win-row span:first-child {
    color: var(--text-muted);
}

.win-row span:last-child {
    color: var(--text-primary);
    font-weight: 600;
}

/* --- Enhanced Win Rank Badge --- */
.win-rank-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: var(--text-2xl);
    font-weight: 800;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    background: var(--surface-1);
    border: 2px solid var(--accent);
    color: var(--accent);
    margin: 4px 0;
    animation: rank-badge-pop 0.5s ease-out;
}

.win-rank-medal {
    display: inline-flex;
    align-items: center;
}

.win-rank-medal svg {
    stroke: currentColor;
}

.win-rank-badge.rank-gold {
    border-color: #ffd700;
    color: #ffd700;
    background: rgba(255, 215, 0, 0.08);
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.15);
}

.win-rank-badge.rank-silver {
    border-color: #c0c0c0;
    color: #c0c0c0;
    background: rgba(192, 192, 192, 0.06);
}

.win-rank-badge.rank-bronze {
    border-color: #cd7f32;
    color: #cd7f32;
    background: rgba(205, 127, 50, 0.06);
}

@keyframes rank-badge-pop {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.15);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* --- PB Comparison Row --- */
.pb-comparison {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 16px;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.08), rgba(255, 170, 0, 0.06));
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: var(--border-radius-sm);
    font-size: var(--text-sm);
    font-family: var(--font-mono);
    color: var(--text-secondary);
    margin: 8px 0;
    animation: fade-in 0.5s ease-out 0.3s both;
}

.pb-old-time {
    text-decoration: line-through;
    opacity: 0.6;
}

.pb-arrow {
    color: var(--color-success);
    font-weight: 700;
}

.pb-new-time {
    color: var(--color-success);
    font-weight: 700;
}

.pb-improvement {
    color: var(--color-success);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 8px;
    background: var(--success-bg);
    border-radius: var(--radius-full);
}

/* fade-in animation: defined in animations.css */

/* --- Leaderboard --- */

.leaderboard-block {
    max-height: 320px;
    overflow-y: auto;
}

.leaderboard-empty {
    color: var(--text-muted);
    text-align: center;
    padding: 1.5rem 0;
    font-size: 0.85rem;
}

.leaderboard-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.lb-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: 6px;
    font-size: 0.85rem;
    transition: background 0.15s;
}

.lb-row:hover {
    background: var(--surface-2);
}

.lb-row.lb-you {
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.lb-rank {
    width: 32px;
    text-align: center;
    font-weight: 700;
    color: var(--text-muted);
    flex-shrink: 0;
}

.lb-name {
    flex: 1;
    color: var(--text-primary);
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.lb-time {
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    font-weight: 600;
    color: var(--accent);
    flex-shrink: 0;
}

.you-badge {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 700;
    background: var(--accent);
    color: #fff;
    padding: 1px 5px;
    border-radius: 3px;
    vertical-align: middle;
    margin-left: 4px;
}

.lb-personal {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border-color);
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-align: center;
}

.lb-attempts {
    color: var(--text-muted);
}

/* --- Win Modal Score --- */

.win-score {
    text-align: center;
    margin: 8px 0 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.win-tainted {
    color: #ff4444;
    font-weight: 600;
    padding: 8px 12px;
    border: 1px solid rgba(255, 68, 68, 0.3);
    border-radius: 8px;
    background: rgba(255, 68, 68, 0.08);
}

.win-rank {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent);
}

.pb-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 14px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, #ffd700, #ffaa00);
    color: #1a1a2e;
    box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
    animation: pb-badge-pop 0.5s ease-out;
}

.pb-badge svg {
    width: 14px;
    height: 14px;
}

@keyframes pb-badge-pop {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    60% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* --- Global Leaderboard (Dashboard) --- */

.global-leaderboard {
    margin-top: 2rem;
    padding: 0 1rem;
    /* Performance: defer rendering when below viewport */
    content-visibility: auto;
    contain-intrinsic-size: auto 400px;
}

.leaderboard-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.view-full-leaderboard-link {
    font-size: var(--text-sm);
    white-space: nowrap;
}

/* --- Full Leaderboard Page (Phase 23.5) --- */
.leaderboard-page-layout {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.leaderboard-stats-bar {
    display: flex;
    justify-content: center;
    gap: var(--space-8);
    padding: var(--space-4) var(--space-6);
    background: var(--surface-1);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-8);
}

.leaderboard-full-section {
    margin-bottom: var(--space-8);
}

.leaderboard-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
    flex-wrap: wrap;
}

.leaderboard-search-wrapper {
    position: relative;
    flex: 1;
    min-width: 200px;
    max-width: 320px;
}

.leaderboard-search-icon {
    position: absolute;
    left: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.leaderboard-search {
    width: 100%;
    padding: var(--space-2) var(--space-3) var(--space-2) var(--space-8);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--surface-1);
    color: var(--text-primary);
    font-size: var(--text-sm);
    font-family: var(--font-sans);
    outline: none;
    transition: border-color 0.15s;
}

.leaderboard-search:focus {
    border-color: var(--accent);
}

.leaderboard-your-position {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-sm);
    background: var(--accent-bg-medium);
    border: 1px solid var(--accent-border-medium);
}

.your-position-label {
    font-size: var(--text-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.your-position-value {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: var(--text-lg);
    color: var(--accent);
}

.lb-row-you {
    background: var(--accent-bg);
    border: 1px solid var(--accent-border-medium);
    border-radius: var(--radius-sm);
}

.lb-you-badge {
    font-size: var(--text-xs);
    color: var(--accent);
    font-weight: 600;
    padding: 1px 6px;
    border-radius: var(--radius-full);
    background: var(--accent-border);
}

.leaderboard-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    margin-top: var(--space-4);
    padding: var(--space-3) 0;
}

.pagination-info {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

@media (max-width: 480px) {
    .leaderboard-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .leaderboard-search-wrapper {
        max-width: 100%;
    }

    .leaderboard-your-position {
        justify-content: center;
    }
}

.leaderboard-full-table {
    background: var(--surface-1);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-4);
}

.lb-row-full {
    padding: var(--space-3) var(--space-4);
}

.lb-stat-group {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-left: auto;
    flex-shrink: 0;
}

.lb-stat-secondary {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.leaderboard-activity-section {
    margin-bottom: var(--space-12);
}

.leaderboard-activity-list {
    background: var(--surface-1);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-4);
}

@media (max-width: 640px) {
    .leaderboard-stats-bar {
        gap: var(--space-4);
        padding: var(--space-3) var(--space-4);
    }

    .lb-stat-group {
        flex-direction: column;
        align-items: flex-end;
        gap: 2px;
    }

    .lb-stat-secondary {
        display: none;
    }
}

.section-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.leaderboard-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: start;
}

@media (max-width: 768px) {
    .leaderboard-columns {
        grid-template-columns: 1fr;
    }
}

.lb-column {
    background: var(--surface-1);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
}

.lb-column-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.lb-stat {
    font-size: 0.8rem;
    color: var(--text-muted);
    flex-shrink: 0;
}

/* --- Activity Feed --- */

.activity-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.lb-column-scrollable {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.lb-column-scrollable .activity-list {
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.activity-row {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 10px;
    border-radius: 6px;
    font-size: 0.8rem;
    flex-wrap: wrap;
}

.activity-row:hover {
    background: var(--surface-2);
}

.activity-user {
    font-weight: 600;
    color: var(--text-primary);
}

.activity-text {
    color: var(--text-muted);
}

.activity-challenge {
    font-weight: 500;
    color: var(--accent);
}

.activity-time {
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    font-weight: 600;
    color: var(--text-secondary);
    margin-left: auto;
}

.activity-ago {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.activity-difficulty {
    font-size: 0.65rem;
    color: var(--warning, #f59e0b);
    letter-spacing: -1px;
}

.activity-row .avatar-circle {
    flex-shrink: 0;
}


/* ============================================
   Achievements
   ============================================ */

.win-achievements {
    margin: 16px 0;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.win-achievements-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.achievement-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.achievement-badge.tier-common { border-left-color: var(--tier-common); }
.achievement-badge.tier-uncommon { border-left-color: var(--tier-uncommon); }
.achievement-badge.tier-rare { border-left-color: var(--tier-rare); }
.achievement-badge.tier-epic { border-left-color: var(--tier-epic); }

.achievement-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.achievement-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.achievement-name {
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--text-primary);
}

.achievement-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
}

@keyframes achievement-pop {
    0% {
        opacity: 0;
        transform: translateX(-12px) scale(0.95);
    }
    100% {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

/* Leaderboard badges (inline) */
.lb-badges {
    display: inline;
    font-size: 0.8rem;
    margin-left: 4px;
    letter-spacing: 1px;
    opacity: 0.85;
}


/* --- Tier Badges (inline, for leaderboards/profiles) --- */
.tier-badge {
    display: inline-flex;
    align-items: center;
    padding: 1px 6px;
    border-radius: var(--radius-full);
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    line-height: 1.4;
    vertical-align: middle;
    margin-left: 4px;
    white-space: nowrap;
}

.tier-badge-pro {
    background: var(--accent-border);
    color: var(--accent);
    border: 1px solid var(--accent-border-strong);
}

.tier-badge-team {
    background: rgba(168, 85, 247, 0.15);
    color: #a855f7;
    border: 1px solid rgba(168, 85, 247, 0.3);
}

[data-theme="light"] .tier-badge-pro {
    background: var(--accent-bg-medium);
    color: #2563eb;
}

[data-theme="light"] .tier-badge-team {
    background: rgba(168, 85, 247, 0.1);
    color: #7c3aed;
}

/* --- Streak Flair --- */
:root {
    --streak-flair-default: var(--text-muted);
    --streak-flair-blue: #3b82f6;
    --streak-flair-purple: #a855f7;
    --streak-flair-gold: #f59e0b;
}

.streak-flair { display: inline-flex; align-items: center; gap: 4px; }
.streak-flair-icon { width: 14px; height: 14px; flex-shrink: 0; }
.streak-flair-count { font-size: 0.8rem; font-weight: 600; font-family: var(--font-mono); }

.streak-flair--default .streak-flair-icon,
.streak-flair--default .streak-flair-count { color: var(--streak-flair-default); }

.streak-flair--blue .streak-flair-icon,
.streak-flair--blue .streak-flair-count { color: var(--streak-flair-blue); }

.streak-flair--purple .streak-flair-icon,
.streak-flair--purple .streak-flair-count { color: var(--streak-flair-purple); }

.streak-flair--gold .streak-flair-icon,
.streak-flair--gold .streak-flair-count { color: var(--streak-flair-gold); }

/* --- Upgrade Prompt Modal --- */
.upgrade-prompt-overlay {
    position: fixed;
    inset: 0;
    z-index: var(--z-top);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--overlay-dark);
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.upgrade-prompt-overlay.visible {
    opacity: 1;
    visibility: visible;
}

.upgrade-prompt-dialog {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    max-width: 420px;
    width: 90%;
    text-align: center;
    box-shadow: var(--shadow-lg);
    transform: scale(0.95) translateY(10px);
    transition: transform 0.3s ease;
}

.upgrade-prompt-overlay.visible .upgrade-prompt-dialog {
    transform: scale(1) translateY(0);
}

.upgrade-prompt-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--space-4);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--accent-bg-medium);
    color: var(--accent);
}

.upgrade-prompt-icon svg {
    width: 28px;
    height: 28px;
}

.upgrade-prompt-title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.upgrade-prompt-description {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-6);
}

.upgrade-prompt-feature {
    font-weight: 600;
    color: var(--text-primary);
}

.upgrade-prompt-tiers {
    display: flex;
    gap: var(--space-2);
    justify-content: center;
    margin-bottom: var(--space-6);
}

.upgrade-prompt-tier {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
}

.upgrade-prompt-tier-current {
    background: var(--surface-2);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
}

.upgrade-prompt-tier-arrow {
    color: var(--text-muted);
    font-size: var(--text-sm);
}

.upgrade-prompt-tier-required {
    background: var(--accent-bg-strong);
    color: var(--accent);
    border: 1px solid var(--accent-border-strong);
}

.upgrade-prompt-actions {
    display: flex;
    gap: var(--space-3);
    justify-content: center;
}

.upgrade-prompt-actions .btn {
    min-width: 130px;
}


/* --- Load More (challenge grid pagination) --- */
.load-more-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-6);
    margin-bottom: var(--space-4);
}

.load-more-btn {
    background: var(--surface-1);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.load-more-btn:hover:not(:disabled) {
    background: var(--surface-2);
    border-color: var(--accent);
    color: var(--accent);
}

.load-more-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.load-more-count {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

/* --- Password visibility toggle --- */
.password-wrapper {
    position: relative;
    display: block;
}

.password-wrapper input {
    padding-right: 2.75rem !important; /* room for toggle button */
    width: 100%;
}

.password-toggle {
    position: absolute;
    right: 0.6rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    padding: 0.25rem;
    cursor: pointer;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast);
}

.password-toggle:hover {
    color: var(--text-primary);
}

.password-toggle:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

} /* end @layer components */