/* ==========================================================================
   Puzzle overview page ("Puzzels" — /puzzel/challenge)
   ========================================================================== */

.puzzels-page {
    max-width: 980px;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-lg) var(--space-4xl);
}

/* ── Header ── */
.puzzels-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.puzzels-title-group {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.puzzels-title-icon {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(160deg, var(--color-primary-light) 0%, var(--color-primary) 55%, var(--color-primary-dark) 100%);
    box-shadow: 0 3px 0 #b1450b, 0 3px 8px rgba(0, 0, 0, .2), 0 6px 16px -4px rgba(249, 115, 22, .5);
}

.puzzels-title {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
}

.puzzels-header-right {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* Chunky pill "chips" — same layered flat-shadow bevel language as the road tiles */
.header-broken,
.header-streak,
.header-rating {
    display: flex;
    align-items: center;
    gap: 8px;
    border-radius: var(--radius-full);
    padding: 9px 20px 8px;
}

.header-broken {
    background: linear-gradient(160deg, #cbd5e1, #94a3b8);
    box-shadow: 0 3px 0 #64748b, 0 2px 6px rgba(0, 0, 0, .12);
}

.header-broken-num {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: #fff;
    text-shadow: 0 1px 1px rgba(0, 0, 0, .15);
}

.header-broken-label {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, .9);
}

.header-streak {
    background: linear-gradient(160deg, var(--color-primary-light), var(--color-primary));
    box-shadow: 0 3px 0 var(--color-primary-dark), 0 2px 6px rgba(249, 115, 22, .3);
}

.header-streak-num {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: #fff;
    text-shadow: 0 1px 1px rgba(0, 0, 0, .15);
}

.header-streak-label {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, .9);
}

.header-rating {
    background: linear-gradient(160deg, #a5b4fc, #818cf8);
    box-shadow: 0 3px 0 #6366f1, 0 2px 6px rgba(99, 102, 241, .3);
}

.header-rating-num {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: #fff;
    text-shadow: 0 1px 1px rgba(0, 0, 0, .15);
}

.header-rating-label {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, .9);
}

/* ── Stat cards ── */
.puzzels-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.stat-card {
    background: linear-gradient(155deg, var(--bg-primary) 0%, var(--bg-tertiary) 130%);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    text-align: center;
    box-shadow: 0 1px 0 rgba(0, 0, 0, .04), 0 3px 0 rgba(0, 0, 0, .03), 0 10px 20px -8px rgba(0, 0, 0, .12);
    transition: transform .2s cubic-bezier(.34, 1.56, .64, 1), box-shadow .2s ease;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, .04), 0 4px 0 rgba(0, 0, 0, .03), 0 16px 28px -10px rgba(0, 0, 0, .16);
}

.stat-card-icon {
    width: 42px;
    height: 42px;
    border-radius: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-sm);
}

.stat-card-icon-green {
    background: linear-gradient(160deg, #4ade80, #16a34a);
    box-shadow: 0 2px 0 #15803d, 0 2px 6px rgba(34, 197, 94, .35);
}

.stat-card-icon-orange {
    background: linear-gradient(160deg, var(--color-primary-light), var(--color-primary));
    box-shadow: 0 2px 0 var(--color-primary-dark), 0 2px 6px rgba(249, 115, 22, .35);
}

.stat-card-icon-amber {
    background: linear-gradient(160deg, #fcd34d, #d97706);
    box-shadow: 0 2px 0 #b45309, 0 2px 6px rgba(217, 119, 6, .35);
}

.stat-card-icon-indigo {
    background: linear-gradient(160deg, #a5b4fc, #6366f1);
    box-shadow: 0 2px 0 #4338ca, 0 2px 6px rgba(99, 102, 241, .35);
}

.stat-card-value {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-card-label {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: .05em;
}

/* ── Level progress bar: carved-in groove + glossy fill, same card bevel as the stats ── */
.level-bar-wrap {
    background: linear-gradient(155deg, var(--bg-primary) 0%, var(--bg-tertiary) 130%);
    border-radius: var(--radius-xl);
    padding: var(--space-lg) var(--space-xl);
    margin-bottom: var(--space-2xl);
    box-shadow: 0 1px 0 rgba(0, 0, 0, .04), 0 3px 0 rgba(0, 0, 0, .03), 0 10px 20px -8px rgba(0, 0, 0, .12);
}

.level-bar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}

.level-bar-title {
    font-weight: var(--font-bold);
    font-size: var(--text-lg);
    color: var(--text-primary);
}

.level-badge {
    font-size: var(--text-sm);
    font-weight: var(--font-bold);
    padding: 5px 16px;
    border-radius: var(--radius-full);
    color: #fff;
    text-shadow: 0 1px 1px rgba(0, 0, 0, .15);
}

.level-bar-track {
    height: 16px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, .15), inset 0 1px 0 rgba(0, 0, 0, .05);
    overflow: hidden;
}

.level-bar-fill {
    position: relative;
    height: 100%;
    border-radius: var(--radius-full);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .4), inset 0 -3px 4px rgba(0, 0, 0, .15);
    transition: width 1s cubic-bezier(.4, 0, .2, 1);
}

.level-bar-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

/* ── Theme mastery: strong / weak themes ── */
.theme-mastery-wrap {
    background: linear-gradient(155deg, var(--bg-primary) 0%, var(--bg-tertiary) 130%);
    border-radius: var(--radius-xl);
    padding: var(--space-lg) var(--space-xl);
    margin-bottom: var(--space-lg);
    box-shadow: 0 1px 0 rgba(0, 0, 0, .04), 0 3px 0 rgba(0, 0, 0, .03), 0 10px 20px -8px rgba(0, 0, 0, .12);
}

.theme-mastery-title {
    font-weight: var(--font-bold);
    font-size: var(--text-lg);
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.theme-mastery-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-md);
}

.theme-mastery-col-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    text-transform: uppercase;
    letter-spacing: .05em;
    margin-bottom: 10px;
}

.theme-mastery-col-label.strong {
    color: #16a34a;
}

.theme-mastery-col-label.weak {
    color: #d97706;
}

.theme-mastery-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.theme-mastery-name {
    flex-shrink: 0;
    width: 96px;
    font-size: var(--text-sm);
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.theme-mastery-bar-track {
    flex: 1;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, .08);
}

.theme-mastery-bar-fill {
    height: 100%;
    border-radius: var(--radius-full);
}

.theme-mastery-bar-fill.strong {
    background: linear-gradient(90deg, #4ade80, #16a34a);
}

.theme-mastery-bar-fill.weak {
    background: linear-gradient(90deg, #fcd34d, #d97706);
}

.theme-mastery-pct {
    flex-shrink: 0;
    width: 34px;
    text-align: right;
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    color: var(--text-secondary);
}

.theme-mastery-practice-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(160deg, #fcd34d, #d97706);
    color: #fff;
    border: none;
    border-radius: var(--radius-full);
    padding: 8px 18px;
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    cursor: pointer;
    box-shadow: 0 2px 0 #92400e, 0 2px 6px rgba(217, 119, 6, .3);
    transition: transform .15s ease, box-shadow .15s ease;
}

.theme-mastery-practice-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 3px 0 #92400e, 0 4px 10px rgba(217, 119, 6, .35);
}

.theme-mastery-practice-btn:active {
    transform: translateY(1px);
    box-shadow: 0 1px 0 #92400e, 0 1px 4px rgba(217, 119, 6, .25);
}

.theme-mastery-empty {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--text-secondary);
}

.theme-mastery-empty svg {
    flex-shrink: 0;
    opacity: .35;
}

.theme-mastery-empty p {
    font-size: var(--text-sm);
    margin: 0;
}

/* ── Guest lock: "login for this feature" inside the theme mastery card ── */
.theme-mastery-wrap--guest {
    border: 1px dashed rgba(99, 102, 241, .25);
    background: linear-gradient(155deg, rgba(99, 102, 241, .06) 0%, var(--bg-primary) 130%);
}

.theme-mastery-guest {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding-top: 2px;
}

.theme-mastery-guest-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(160deg, #e0e7ff, #c7d2fe);
    color: #6366f1;
    box-shadow: 0 2px 0 #a5b4fc, 0 2px 8px rgba(99, 102, 241, .2);
}

.theme-mastery-guest-text {
    flex: 1;
    min-width: 0;
}

.theme-mastery-guest-text strong {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: 2px;
}

.theme-mastery-guest-text span {
    display: block;
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.45;
}

.theme-mastery-login-btn {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: linear-gradient(160deg, #a5b4fc, #6366f1);
    color: #fff;
    border: none;
    border-radius: var(--radius-full);
    padding: 9px 20px;
    font-size: var(--text-sm);
    font-weight: var(--font-bold);
    text-decoration: none;
    cursor: pointer;
    white-space: nowrap;
    box-shadow: 0 2px 0 #4338ca, 0 2px 8px rgba(99, 102, 241, .3);
    transition: transform .15s ease, box-shadow .15s ease, filter .15s ease;
}

.theme-mastery-login-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 3px 0 #4338ca, 0 4px 12px rgba(99, 102, 241, .35);
    filter: brightness(1.03);
}

.theme-mastery-login-btn:active {
    transform: translateY(1px);
    box-shadow: 0 1px 0 #4338ca, 0 1px 4px rgba(99, 102, 241, .25);
}

/* ── Theme filter picker ── */
.theme-filter {
    margin-bottom: var(--space-lg);
}

.theme-filter-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 auto;
    background: var(--bg-primary);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-full);
    padding: 10px 20px;
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    cursor: pointer;
    box-shadow: 0 1px 0 rgba(0, 0, 0, .03), 0 2px 8px -4px rgba(0, 0, 0, .1);
    transition: background var(--transition-fast), border-color var(--transition-fast);
}

.theme-filter-toggle:hover {
    background: var(--bg-tertiary);
    border-color: var(--color-gray-300);
}

.theme-filter-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    color: #fff;
    font-size: 11px;
    font-weight: var(--font-bold);
}

.theme-filter-chevron {
    transition: transform .2s ease;
}

.theme-filter-panel {
    margin: var(--space-md) auto 0;
    max-width: 760px;
    background: var(--bg-primary);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-lg) var(--space-xl);
    box-shadow: 0 1px 0 rgba(0, 0, 0, .04), 0 3px 0 rgba(0, 0, 0, .03), 0 10px 20px -8px rgba(0, 0, 0, .12);
}

.theme-filter-group {
    margin-bottom: var(--space-md);
}

.theme-filter-group:last-of-type {
    margin-bottom: var(--space-sm);
}

.theme-filter-group-label {
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: .05em;
    margin-bottom: 8px;
}

.theme-filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.theme-chip {
    background: var(--bg-tertiary);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-full);
    padding: 6px 14px;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    cursor: pointer;
    transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform .15s ease;
}

.theme-chip:hover {
    background: var(--color-gray-200);
    color: var(--text-primary);
}

.theme-chip.active {
    background: linear-gradient(160deg, var(--color-primary-light), var(--color-primary));
    border-color: var(--color-primary-dark);
    color: #fff;
    font-weight: var(--font-semibold);
    box-shadow: 0 2px 0 var(--color-primary-dark), 0 2px 6px rgba(249, 115, 22, .3);
    transform: translateY(-1px);
}

.theme-chip.active:hover {
    background: linear-gradient(160deg, var(--color-primary-light), var(--color-primary-dark));
}

.theme-filter-actions {
    display: flex;
    justify-content: flex-end;
    padding-top: var(--space-sm);
    border-top: 1px solid var(--color-gray-100, var(--color-gray-200));
}

.theme-filter-clear {
    background: none;
    border: none;
    color: var(--text-tertiary);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    cursor: pointer;
    padding: 4px 8px;
}

.theme-filter-clear:hover {
    color: var(--color-primary);
}

/* ── Play button: chunky pressable 3D button, same bevel language as the tiles ── */
.play-btn-wrap {
    margin-bottom: var(--space-2xl);
    text-align: center;
}

.btn-play-puzzle {
    display: inline-flex;
    align-items: center;
    gap: var(--space-md);
    background: linear-gradient(160deg, var(--color-primary-light) 0%, var(--color-primary) 55%, var(--color-primary-dark) 100%);
    color: white;
    border: none;
    border-radius: var(--radius-xl);
    padding: var(--space-lg) var(--space-3xl);
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    cursor: pointer;
    text-decoration: none;
    box-shadow: 0 5px 0 #b1450b, 0 5px 14px rgba(0, 0, 0, .2), 0 10px 24px -6px rgba(249, 115, 22, .5);
    transition: transform .15s ease, box-shadow .15s ease;
}

.btn-play-puzzle:hover {
    transform: translateY(-2px);
    box-shadow: 0 7px 0 #b1450b, 0 7px 16px rgba(0, 0, 0, .22), 0 14px 28px -6px rgba(249, 115, 22, .55);
}

.btn-play-puzzle:active {
    transform: translateY(3px);
    box-shadow: 0 2px 0 #b1450b, 0 2px 8px rgba(0, 0, 0, .18);
}

/* ── Puzzle Road: a winding path of chunky 3D tiles, one per attempt ── */
.puzzle-road-section {
    margin-bottom: var(--space-2xl);
}

.puzzle-road-title {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-xl);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.puzzle-road {
    position: relative;
    padding: var(--space-xl) 0 var(--space-2xl);
}

.road-path-svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: visible;
}

.road-path-line {
    fill: none;
    stroke: var(--color-gray-300);
    stroke-width: 4;
    stroke-dasharray: 1 16;
    stroke-linecap: round;
}

.road-item {
    --tile-units: 0;
    display: flex;
    justify-content: center;
    position: relative;
    z-index: 1;
    margin-bottom: calc(var(--space-2xl) + 10px);
}

.road-item.road-reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .5s ease, transform .5s ease;
}

.road-item.road-reveal.in-view {
    opacity: 1;
    transform: translateY(0);
}

.road-tile-wrap {
    position: relative;
    transform: translateX(calc(var(--tile-units) * var(--tile-step, 48px)));
}

.road-tile-wrap.open {
    z-index: 30;
}

/* Chunky 3D tile — layered flat-color "step" shadows fake a beveled block */
.road-tile {
    all: unset;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    width: 64px;
    height: 64px;
    border-radius: 18px;
    cursor: pointer;
    transition: transform .22s cubic-bezier(.34, 1.56, .64, 1), box-shadow .22s ease;
}

.road-tile:focus-visible {
    outline: 3px solid #818cf8;
    outline-offset: 3px;
}

.road-tile-wrap.solved .road-tile {
    background: linear-gradient(160deg, var(--color-primary-light) 0%, var(--color-primary) 55%, var(--color-primary-dark) 100%);
    box-shadow: 0 4px 0 #b1450b, 0 4px 10px rgba(0, 0, 0, .22), 0 10px 22px -6px rgba(249, 115, 22, .5);
}

.road-tile-wrap.failed .road-tile {
    background: linear-gradient(160deg, #fca5a5 0%, #ef4444 55%, #b91c1c 100%);
    box-shadow: 0 4px 0 #7f1d1d, 0 4px 10px rgba(0, 0, 0, .22), 0 10px 22px -6px rgba(239, 68, 68, .45);
}

.road-tile:hover,
.road-tile-wrap.open .road-tile {
    transform: translateY(-4px) scale(1.06);
}

.road-tile-wrap.solved .road-tile:hover,
.road-tile-wrap.solved.open .road-tile {
    box-shadow: 0 4px 0 #b1450b, 0 6px 14px rgba(0, 0, 0, .25), 0 16px 30px -8px rgba(249, 115, 22, .6);
}

.road-tile-wrap.failed .road-tile:hover,
.road-tile-wrap.failed.open .road-tile {
    box-shadow: 0 4px 0 #7f1d1d, 0 6px 14px rgba(0, 0, 0, .25), 0 16px 30px -8px rgba(239, 68, 68, .55);
}

.road-tile:active {
    transform: translateY(-1px) scale(.97);
}

.road-tile-number {
    font-size: 1.35rem;
    font-weight: var(--font-bold);
    color: #fff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, .25);
}

.road-tile-icon {
    position: absolute;
    bottom: -4px;
    right: -4px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(0, 0, 0, .28);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, .3);
}

/* ── Detail popover: shown on hover (pointer devices) or tap/click (toggled via JS) ── */
.road-detail {
    position: absolute;
    bottom: calc(100% + 16px);
    left: 50%;
    width: 210px;
    background: var(--bg-primary);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    box-shadow: 0 14px 30px -8px rgba(0, 0, 0, .28), 0 2px 8px rgba(0, 0, 0, .08);
    padding: var(--space-md);
    z-index: 20;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateX(-50%) translateY(6px) scale(.94);
    transition: opacity .16s ease, transform .16s ease, visibility 0s linear .16s;
}

.road-tile-wrap.open .road-detail {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0) scale(1);
    transition: opacity .16s ease, transform .16s ease;
}

@media (hover:hover) and (pointer:fine) {

    /* Invisible bridge filling the gap between tile and popover — without it,
       the cursor crosses empty (non-hoverable) space on the way up and the
       popover closes before the mouse ever reaches it. */
    .road-tile-wrap::before {
        content: '';
        position: absolute;
        left: 50%;
        bottom: 100%;
        transform: translateX(-50%);
        width: 220px;
        height: 16px;
    }

    .road-tile-wrap:hover .road-detail {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateX(-50%) translateY(0) scale(1);
        transition: opacity .16s ease, transform .16s ease;
    }
}

.road-detail-arrow {
    position: absolute;
    top: 100%;
    left: 50%;
    width: 14px;
    height: 14px;
    background: var(--bg-primary);
    border-right: 1px solid var(--color-gray-200);
    border-bottom: 1px solid var(--color-gray-200);
    transform: translateX(-50%) translateY(-7px) rotate(45deg);
}

.road-detail-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    margin-bottom: 6px;
}

.road-detail-rating {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: #818cf8;
    display: flex;
    align-items: center;
    gap: 4px;
}

.road-detail-result {
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    padding: 2px 10px;
    border-radius: var(--radius-full);
}

.road-detail-result.solved {
    background: rgba(249, 115, 22, .15);
    color: var(--color-primary-dark);
}

.road-detail-result.failed {
    background: rgba(239, 68, 68, .15);
    color: #b91c1c;
}

.road-detail-themes {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 6px;
}

.road-detail-theme {
    font-size: 10px;
    padding: 1px 7px;
    border-radius: var(--radius-full);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--color-gray-200);
}

.road-detail-date {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    margin-bottom: var(--space-sm);
}

.road-detail-replay {
    display: block;
    text-align: center;
    background: var(--color-primary);
    color: #fff;
    text-decoration: none;
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    padding: 6px 10px;
    border-radius: var(--radius-md, 8px);
    transition: background var(--transition-fast);
}

.road-detail-replay:hover {
    background: var(--color-primary-dark);
}

.puzzle-road-empty {
    text-align: center;
    padding: var(--space-3xl);
    color: var(--text-secondary);
}

.puzzle-road-empty svg {
    opacity: .3;
    margin-bottom: var(--space-md);
}

@media (max-width:700px) {
    .puzzels-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .puzzels-header-right {
        flex-wrap: wrap;
        gap: var(--space-sm);
        justify-content: flex-end;
    }

    .header-broken-label,
    .header-streak-label,
    .header-rating-label {
        display: none;
    }

    .theme-mastery-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .theme-mastery-guest {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }

    .theme-mastery-login-btn {
        align-self: stretch;
        justify-content: center;
    }

    .road-item {
        --tile-step: 26px;
        margin-bottom: calc(var(--space-xl) + 8px);
    }

    .road-tile {
        width: 52px;
        height: 52px;
        border-radius: 14px;
    }

    .road-tile-number {
        font-size: 1.1rem;
    }

    .road-detail {
        width: 180px;
    }

    .theme-filter-panel {
        padding: var(--space-md) var(--space-lg);
    }
}

@media (max-width:480px) {
    .puzzels-title {
        font-size: var(--text-2xl);
    }

    .btn-play-puzzle {
        font-size: var(--text-lg);
        padding: var(--space-md) var(--space-2xl);
    }
}

@media (prefers-reduced-motion: reduce) {

    .stat-card,
    .btn-play-puzzle {
        transition: none;
    }

    .stat-card:hover,
    .btn-play-puzzle:hover,
    .btn-play-puzzle:active {
        transform: none;
    }

    .road-item {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .road-tile {
        transition: none;
    }

    .road-tile:hover,
    .road-tile-wrap.open .road-tile {
        transform: none;
    }
}