.uk49g-app {
    --uk49g-bg: linear-gradient(165deg, #fff5e7 0%, #f2fbff 40%, #fffaf1 100%);
    --uk49g-card: #ffffff;
    --uk49g-border: #dbe5ef;
    --uk49g-text: #0b1220;
    --uk49g-muted: #526277;
    --uk49g-primary: #f97316;
    --uk49g-primary-strong: #d95c00;
    --uk49g-success: #16a34a;
    --uk49g-warning: #b45309;
    --uk49g-shadow: 0 12px 30px rgba(3, 23, 52, 0.12);
    background: var(--uk49g-bg);
    border: 1px solid var(--uk49g-border);
    border-radius: 20px;
    box-sizing: border-box;
    color: var(--uk49g-text);
    font-family: "Sora", "Trebuchet MS", "Segoe UI", sans-serif;
    margin: 0.75rem 0;
    min-height: 100dvh;
    overflow: hidden;
    padding: 0.85rem;
    width: 100%;
}

.uk49g-app * {
    box-sizing: border-box;
}

.uk49g-top-nav {
    display: grid;
    gap: 0.36rem;
    grid-template-columns: auto repeat(5, minmax(0, 1fr)) auto;
    margin-bottom: 0.55rem;
    position: sticky;
    top: 0;
    z-index: 12;
}

.uk49g-top-nav button {
    background: rgba(15, 23, 42, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.24);
    border-radius: 10px;
    color: #e5e7eb;
    cursor: pointer;
    font-size: 0.74rem;
    font-weight: 700;
    min-height: 2.1rem;
    padding: 0.34rem;
}

.uk49g-top-nav button.is-active,
.uk49g-top-nav .uk49g-nav-home {
    background: linear-gradient(160deg, #ff8b2d 0%, #f97316 100%);
    border-color: #a23f00;
    color: #fff;
}

.uk49g-top-dropdown {
    background: #fff;
    border: 1px solid var(--uk49g-border);
    border-radius: 14px;
    box-shadow: var(--uk49g-shadow);
    margin-bottom: 0.62rem;
    overflow: hidden;
}

.uk49g-top-dropdown > summary {
    background: #f8fbff;
    color: var(--uk49g-text);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 800;
    list-style: none;
    padding: 0.6rem 0.7rem;
}

.uk49g-top-dropdown > summary::-webkit-details-marker {
    display: none;
}

.uk49g-top-dropdown[open] > summary {
    border-bottom: 1px solid var(--uk49g-border);
}

.uk49g-hero-dropdown > summary {
    background: linear-gradient(160deg, #0d4f8a 0%, #0a6ca1 100%);
    color: #fff;
}

.uk49g-hero-dropdown[open] > summary {
    border-bottom-color: rgba(255, 255, 255, 0.25);
}

.uk49g-profile-dropdown .uk49g-profile-card {
    border: 0;
    border-radius: 0;
    box-shadow: none;
    margin-bottom: 0;
}

.uk49g-hero {
    background: linear-gradient(150deg, #082f5d 0%, #0b4b7a 55%, #0a6b9e 100%);
    border-radius: 0 0 12px 12px;
    color: #fff;
    margin-bottom: 0;
    padding: 0.85rem;
}

.uk49g-kicker {
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    margin: 0;
    text-transform: uppercase;
}

.uk49g-title {
    font-size: clamp(1.18rem, 2.4vw, 1.85rem);
    line-height: 1.12;
    margin: 0.3rem 0;
}

.uk49g-subtitle,
.uk49g-legal {
    margin: 0.34rem 0 0;
}

.uk49g-legal {
    color: #d1ecff;
    font-size: 0.84rem;
}

.uk49g-profile-card,
.uk49g-card {
    background: var(--uk49g-card);
    border: 1px solid var(--uk49g-border);
    border-radius: 14px;
    box-shadow: var(--uk49g-shadow);
    padding: 0.75rem;
}

.uk49g-profile-card {
    margin-bottom: 0;
}

.uk49g-profile-card label {
    color: var(--uk49g-muted);
    display: block;
    font-size: 0.82rem;
    font-weight: 700;
    margin-bottom: 0.34rem;
}

.uk49g-profile-row {
    display: grid;
    gap: 0.38rem;
    grid-template-columns: 1fr auto auto;
}

.uk49g-profile-row input,
.uk49g-challenge-join input,
.uk49g-invite-box input {
    border: 1px solid var(--uk49g-border);
    border-radius: 10px;
    color: var(--uk49g-text);
    font: inherit;
    min-height: 2.35rem;
    padding: 0.45rem 0.55rem;
}

.uk49g-main {
    display: grid;
    gap: 0.6rem;
}

.uk49g-view,
.uk49g-subview {
    display: none;
}

.uk49g-view.is-active,
.uk49g-subview.is-active {
    display: block;
}

.uk49g-subtabs,
.uk49g-daily-types {
    display: grid;
    gap: 0.4rem;
    margin-bottom: 0.5rem;
}

.uk49g-subtabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.uk49g-daily-types {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.uk49g-subtabs button,
.uk49g-daily-types button {
    background: #fff;
    border: 1px solid var(--uk49g-border);
    border-radius: 999px;
    color: var(--uk49g-text);
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 700;
    min-height: 2.05rem;
    padding: 0.3rem;
}

.uk49g-subtabs button.is-active,
.uk49g-daily-types button.is-active {
    background: linear-gradient(160deg, #ff8b2d 0%, #f97316 100%);
    border-color: #b64b04;
    color: #fff;
}

.uk49g-card h3 {
    font-size: 1.04rem;
    margin: 0 0 0.28rem;
}

.uk49g-card p {
    color: var(--uk49g-muted);
    font-size: 0.89rem;
    margin: 0.32rem 0;
}

.uk49g-step-hint {
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: 10px;
    color: #1e3a8a;
    font-size: 0.82rem;
    font-weight: 700;
    padding: 0.45rem 0.56rem;
}

.uk49g-picker-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.38rem;
    margin: 0.5rem 0;
}

.uk49g-btn,
.uk49g-ghost-btn,
.uk49g-share-btn {
    border-radius: 10px;
    cursor: pointer;
    font: inherit;
    font-size: 0.8rem;
    font-weight: 700;
    min-height: 2.2rem;
    padding: 0.35rem 0.58rem;
}

.uk49g-btn {
    background: linear-gradient(160deg, #0ea5e9 0%, #0284c7 100%);
    border: 1px solid #0369a1;
    color: #fff;
}

.uk49g-btn-alt {
    background: linear-gradient(160deg, #f59e0b 0%, #d97706 100%);
    border-color: #a94800;
}

.uk49g-btn-primary {
    background: linear-gradient(160deg, var(--uk49g-primary) 0%, var(--uk49g-primary-strong) 100%);
    border-color: #a13d00;
}

.uk49g-ghost-btn {
    background: #fff;
    border: 1px solid var(--uk49g-border);
    color: var(--uk49g-text);
}

.uk49g-share-btn {
    background: #0f172a;
    border: 1px solid #0f172a;
    color: #fff;
}

.uk49g-btn:hover,
.uk49g-ghost-btn:hover,
.uk49g-share-btn:hover,
.uk49g-btn:focus-visible,
.uk49g-ghost-btn:focus-visible,
.uk49g-share-btn:focus-visible {
    filter: brightness(0.97);
    transform: translateY(-1px);
}

.uk49g-board-wrap {
    border: 1px solid var(--uk49g-border);
    border-radius: 12px;
    margin-bottom: 0.45rem;
    padding: 0.62rem;
}

.uk49g-board-wrap.is-closed {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    padding: 0 0.62rem;
    pointer-events: none;
    transition: max-height 0.25s ease, opacity 0.25s ease;
}

.uk49g-number-grid {
    display: grid;
    gap: 0.34rem;
    grid-template-columns: repeat(7, minmax(0, 1fr));
}

.uk49g-number-grid.is-disabled {
    opacity: 0.6;
    pointer-events: none;
}

.uk49g-ball {
    border: 1px solid var(--uk49g-border);
    border-radius: 999px;
    color: var(--uk49g-text);
    cursor: pointer;
    font-size: 0.81rem;
    font-weight: 700;
    min-height: 2.1rem;
    padding: 0;
}

.uk49g-ball.is-band-a { background: linear-gradient(180deg, #e0f2fe 0%, #c6e8ff 100%); }
.uk49g-ball.is-band-b { background: linear-gradient(180deg, #dcfce7 0%, #c4f5d8 100%); }
.uk49g-ball.is-band-c { background: linear-gradient(180deg, #fef3c7 0%, #fde68a 100%); }
.uk49g-ball.is-band-d { background: linear-gradient(180deg, #ffe4e6 0%, #fecdd3 100%); }
.uk49g-ball.is-band-e { background: linear-gradient(180deg, #e0e7ff 0%, #c7d2fe 100%); }

.uk49g-ball.is-selected {
    background: linear-gradient(180deg, #fb923c 0%, #f97316 100%);
    border-color: #9a3412;
    color: #fff;
}

.uk49g-selected {
    color: var(--uk49g-text);
    font-weight: 700;
    margin: 0.3rem 0;
}

.uk49g-status {
    color: var(--uk49g-muted);
    font-size: 0.83rem;
    margin: 0.18rem 0 0.45rem;
}

.uk49g-status[data-tone="ready"] {
    color: var(--uk49g-success);
}

.uk49g-status[data-tone="warn"] {
    color: var(--uk49g-warning);
}

.uk49g-animation,
.uk49g-result,
.uk49g-challenge-status {
    background: #f8fbff;
    border: 1px solid var(--uk49g-border);
    border-radius: 12px;
    margin: 0.44rem 0;
    min-height: 3rem;
    padding: 0.55rem;
}

.uk49g-result-title {
    font-size: 0.98rem;
    font-weight: 800;
}

.uk49g-result-points {
    color: #c2410c;
    font-size: 0.9rem;
    font-weight: 700;
}

.uk49g-result-source {
    color: var(--uk49g-muted);
    font-size: 0.79rem;
}

.uk49g-result-image {
    margin-top: 0.45rem;
}

.uk49g-result-image img {
    border: 1px solid var(--uk49g-border);
    border-radius: 10px;
    max-width: 100%;
}

.uk49g-mini-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    margin-top: 0.23rem;
}

.uk49g-mini-ball {
    align-items: center;
    background: #fff;
    border: 1px solid var(--uk49g-border);
    border-radius: 999px;
    display: inline-flex;
    font-size: 0.72rem;
    font-weight: 700;
    height: 1.52rem;
    justify-content: center;
    min-width: 1.52rem;
    padding: 0 0.28rem;
}

.uk49g-mini-ball-bonus {
    background: #f97316;
    border-color: #9a3412;
    color: #fff;
}

.uk49g-challenge-join,
.uk49g-invite-box,
.uk49g-share-row {
    display: grid;
    gap: 0.36rem;
    margin-bottom: 0.42rem;
}

.uk49g-challenge-join,
.uk49g-invite-box {
    grid-template-columns: 1fr auto;
}

.uk49g-share-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.uk49g-metrics {
    color: var(--uk49g-muted);
    display: flex;
    flex-wrap: wrap;
    font-size: 0.83rem;
    gap: 0.5rem;
    margin-top: 0.32rem;
}

.uk49g-metrics strong {
    color: var(--uk49g-text);
}

.uk49g-daily-mask,
.uk49g-daily-reveal,
.uk49g-countdown {
    background: #eef6ff;
    border: 1px solid #c8def7;
    border-radius: 10px;
    color: #0f3f81;
    font-size: 0.82rem;
    font-weight: 700;
    padding: 0.42rem 0.52rem;
}

.uk49g-leaderboard-wrap {
    overflow-x: auto;
    width: 100%;
}

.uk49g-leaderboard {
    border-collapse: collapse;
    min-width: 0;
    table-layout: fixed;
    width: 100%;
}

.uk49g-leaderboard th,
.uk49g-leaderboard td {
    border-bottom: 1px solid var(--uk49g-border);
    font-size: 0.8rem;
    padding: 0.35rem 0.3rem;
    text-align: left;
    white-space: nowrap;
}

.uk49g-leaderboard th {
    color: var(--uk49g-muted);
    font-size: 0.74rem;
    text-transform: uppercase;
}

.uk49g-leaderboard th:nth-child(1),
.uk49g-leaderboard td:nth-child(1) {
    width: 12%;
}

.uk49g-leaderboard th:nth-child(2),
.uk49g-leaderboard td:nth-child(2) {
    width: 44%;
    overflow: hidden;
    text-overflow: ellipsis;
}

.uk49g-leaderboard th:nth-child(3),
.uk49g-leaderboard td:nth-child(3),
.uk49g-leaderboard th:nth-child(4),
.uk49g-leaderboard td:nth-child(4) {
    width: 22%;
}

.uk49g-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.32rem;
    margin: 0.48rem 0;
}

.uk49g-badge {
    background: linear-gradient(160deg, #fde68a 0%, #f59e0b 100%);
    border: 1px solid #b45309;
    border-radius: 999px;
    color: #422006;
    font-size: 0.74rem;
    font-weight: 800;
    padding: 0.22rem 0.46rem;
}

.uk49g-seo-dropdown {
    background: #fff;
    border: 1px solid var(--uk49g-border);
    border-radius: 14px;
    margin-top: 0.7rem;
    overflow: hidden;
}

.uk49g-seo-dropdown > summary {
    cursor: pointer;
    font-size: 0.88rem;
    font-weight: 700;
    list-style: none;
    padding: 0.65rem 0.75rem;
}

.uk49g-seo-copy {
    border-top: 1px solid var(--uk49g-border);
    padding: 0.75rem;
}

.uk49g-seo-copy h3,
.uk49g-seo-copy h4 {
    margin: 0.2rem 0 0.4rem;
}

.uk49g-seo-copy p {
    color: var(--uk49g-muted);
    line-height: 1.54;
    margin: 0.35rem 0;
}

.uk49g-seo-copy a {
    color: #0f4fa8;
    font-weight: 700;
}

.uk49g-seo-note {
    color: #7c2d12;
    font-weight: 700;
}

.uk49g-modal {
    inset: 0;
    position: fixed;
    z-index: 100;
}

.uk49g-modal-backdrop {
    background: rgba(2, 6, 23, 0.7);
    inset: 0;
    position: absolute;
}

.uk49g-modal-panel {
    background: #fff;
    border-radius: 14px;
    inset: 50% auto auto 50%;
    max-height: 88vh;
    max-width: min(92vw, 560px);
    overflow: auto;
    padding: 0.75rem;
    position: absolute;
    transform: translate(-50%, -50%);
    width: 92vw;
}

.uk49g-modal-close {
    background: #fff;
    border: 1px solid var(--uk49g-border);
    border-radius: 10px;
    cursor: pointer;
    float: right;
    font-size: 0.8rem;
    font-weight: 700;
    min-height: 2rem;
    min-width: 2rem;
}

.uk49g-modal-content {
    border: 1px dashed var(--uk49g-border);
    border-radius: 10px;
    margin: 0.5rem 0;
    min-height: 140px;
    padding: 0.6rem;
}

.uk49g-modal-note {
    color: var(--uk49g-muted);
    font-size: 0.8rem;
}

.uk49g-modal-open {
    overflow: hidden;
}

.uk49g-confetti-layer {
    left: 0;
    pointer-events: none;
    position: absolute;
    right: 0;
    top: 0;
    z-index: 30;
}

.uk49g-confetti {
    border-radius: 4px;
    height: 10px;
    opacity: 0;
    position: absolute;
    top: 0;
    width: 8px;
    animation: uk49g-fall 1.8s ease-in forwards;
}

.uk49g-app.is-dark {
    --uk49g-bg: linear-gradient(165deg, #0f1b2f 0%, #10243a 50%, #0d1c30 100%);
    --uk49g-card: #15263d;
    --uk49g-border: #24415f;
    --uk49g-text: #e5edf7;
    --uk49g-muted: #b2c4d8;
    --uk49g-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
}

.uk49g-app.is-dark .uk49g-animation,
.uk49g-app.is-dark .uk49g-result,
.uk49g-app.is-dark .uk49g-challenge-status,
.uk49g-app.is-dark .uk49g-top-dropdown,
.uk49g-app.is-dark .uk49g-seo-dropdown,
.uk49g-app.is-dark .uk49g-daily-mask,
.uk49g-app.is-dark .uk49g-daily-reveal,
.uk49g-app.is-dark .uk49g-countdown {
    background: #0f2237;
    border-color: #2a4766;
}

.uk49g-app.is-dark .uk49g-top-dropdown > summary {
    background: #102a43;
    color: #e5edf7;
}

.uk49g-app.is-dark .uk49g-hero-dropdown > summary {
    background: linear-gradient(160deg, #0b4b7a 0%, #0a6b9e 100%);
}

@keyframes uk49g-fall {
    0% { opacity: 1; transform: translateY(-8px) rotate(0deg); }
    100% { opacity: 0; transform: translateY(320px) rotate(560deg); }
}

@media (max-width: 980px) {
    .uk49g-number-grid {
        grid-template-columns: repeat(6, minmax(0, 1fr));
    }

    .uk49g-top-nav {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    .uk49g-app {
        border-radius: 0;
        margin: 0;
        min-height: 100dvh;
        padding: 0.6rem;
    }

    .uk49g-profile-row {
        grid-template-columns: 1fr;
    }

    .uk49g-daily-types {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .uk49g-number-grid {
        grid-template-columns: repeat(5, minmax(0, 1fr));
    }

    .uk49g-challenge-join,
    .uk49g-invite-box,
    .uk49g-share-row {
        grid-template-columns: 1fr;
    }

    .uk49g-leaderboard th,
    .uk49g-leaderboard td {
        font-size: 0.74rem;
        padding: 0.28rem 0.2rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .uk49g-app * {
        animation: none !important;
        transition: none !important;
    }
}