:root {
    --bg: #0f1923;
    --surface: #1a2332;
    --raised: #243347;
    --border: #2a3a4a;
    --text: #e2e8f0;
    --muted: #64748b;
    --orange: #f97316;
    --green-bg: #14532d;
    --green-fg: #4ade80;
    --ora-bg: #7c2d12;
    --ora-fg: #fdba74;
    --abs-bg: #1e293b;
    --abs-fg: #475569;
}

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Segoe UI', system-ui, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
header {
    height: 58px;
    border-bottom: 1px solid var(--border);
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.logo {
    font-size: 20px;
    font-weight: 900;
    letter-spacing: 5px;
    color: #fff;
}

.logo em {
    color: var(--orange);
    font-style: normal;
}

.header-nav {
    display: flex;
    gap: 6px;
}

.nav-btn {
    padding: 6px 14px;
    border: 1px solid transparent;
    border-radius: 6px;
    background: none;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all .15s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
}

.nav-btn.active,
.nav-btn:hover {
    border-color: var(--orange);
    color: var(--orange);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.streak {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    background: var(--surface);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
    color: var(--orange);
}

.auth-btn {
    padding: 6px 14px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: none;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all .15s;
    text-decoration: none;
}

.auth-btn:hover {
    border-color: var(--text);
    color: var(--text);
}

.auth-btn.logged {
    border-color: var(--green-bg);
    color: var(--green-fg);
}

/* Main */
main {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.view {
    display: none;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 480px;
    padding: 20px 16px 32px;
    gap: 18px;
}

.view.active {
    display: flex;
}

.date-label {
    font-size: 11px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Grid */
#grid {
    display: flex;
    flex-direction: column;
    gap: 5px;
    align-items: center;
}

.grid-row {
    display: flex;
    gap: 5px;
}

.tile {
    width: 54px;
    height: 54px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 900;
    border-radius: 4px;
    border: 2px solid var(--border);
    transition: border-color .15s;
    user-select: none;
}

.tile.correct {
    background: var(--green-bg);
    border-color: var(--green-bg);
    color: var(--green-fg);
}

.tile.present {
    background: var(--ora-bg);
    border-color: var(--ora-bg);
    color: var(--ora-fg);
}

.tile.absent {
    background: var(--abs-bg);
    border-color: var(--abs-bg);
    color: var(--abs-fg);
}

@keyframes flipIn {
    0% {
        transform: scaleY(1);
    }

    50% {
        transform: scaleY(0);
    }

    100% {
        transform: scaleY(1);
    }
}

.tile.flip {
    animation: flipIn .4s ease forwards;
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0)
    }

    20%,
    60% {
        transform: translateX(-7px)
    }

    40%,
    80% {
        transform: translateX(7px)
    }
}

.grid-row.shake {
    animation: shake .35s ease;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0)
    }

    40% {
        transform: translateY(-12px)
    }
}

.tile.bounce {
    animation: bounce .4s ease;
}

/* Tile — current input states */
.tile.filled {
    border-color: var(--text);
}

@keyframes blink {
    0%, 100% { border-color: var(--orange); }
    50%       { border-color: var(--border); }
}

.tile.cursor {
    animation: blink 1.1s ease-in-out infinite;
}

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

.tile.pop {
    animation: pop .1s ease-in-out;
}

/* Type hint */
.type-hint {
    font-size: 11px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    text-align: center;
    transition: opacity .2s;
}

.type-hint.hidden {
    opacity: 0;
    pointer-events: none;
}

/* Keyboard */
.keyboard {
    display: flex;
    flex-direction: column;
    gap: 6px;
    align-items: center;
    width: 100%;
}

.kb-row {
    display: flex;
    gap: 5px;
    justify-content: center;
}

.key {
    min-width: 32px;
    height: 44px;
    padding: 0 6px;
    border-radius: 4px;
    border: none;
    background: var(--raised);
    color: var(--text);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background .2s, color .2s;
    user-select: none;
}

.key.wide {
    min-width: 52px;
    font-size: 10px;
}

.key:active {
    opacity: .7;
}

.key.correct {
    background: var(--green-bg);
    color: var(--green-fg);
}

.key.present {
    background: var(--ora-bg);
    color: var(--ora-fg);
}

.key.absent {
    background: #111827;
    color: #374151;
}

/* Result */
.result {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 22px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    width: 100%;
    text-align: center;
}

.result.show {
    display: flex;
}

.result-title {
    font-size: 22px;
    font-weight: 900;
    letter-spacing: 2px;
}

.result-title.win {
    color: var(--green-fg);
}

.result-title.lose {
    color: #f87171;
}

.result-sub {
    font-size: 13px;
    color: var(--muted);
}

.result-sub strong {
    color: var(--orange);
    font-size: 15px;
}

.countdown {
    font-family: monospace;
    font-size: 12px;
    color: var(--muted);
}

.share-btn {
    padding: 10px 28px;
    background: var(--orange);
    border: none;
    border-radius: 8px;
    color: #fff;
    font-weight: 700;
    font-size: 13px;
    cursor: pointer;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.share-btn:hover {
    opacity: .85;
}

/* Toast */
.toast {
    position: fixed;
    top: 72px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--text);
    color: var(--bg);
    padding: 9px 18px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 700;
    opacity: 0;
    transition: opacity .25s;
    pointer-events: none;
    z-index: 200;
    white-space: nowrap;
}

.toast.show {
    opacity: 1;
}

/* Auth modal */
.modal-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .6);
    z-index: 300;
    align-items: center;
    justify-content: center;
}

.modal-backdrop.open {
    display: flex;
}

.modal {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 28px 24px;
    width: 320px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    position: relative;
}

.modal-title {
    font-size: 16px;
    font-weight: 900;
    letter-spacing: 1px;
    text-align: center;
}

.modal-sub {
    font-size: 12px;
    color: var(--muted);
    text-align: center;
    line-height: 1.5;
}

.oauth-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--raised);
    color: var(--text);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    transition: background .15s;
}

.oauth-btn:hover {
    background: var(--border);
}

.oauth-icon {
    font-size: 18px;
}

.modal-divider {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--muted);
    font-size: 11px;
}

.modal-divider::before,
.modal-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.anon-btn {
    background: none;
    border: none;
    color: var(--muted);
    font-size: 12px;
    cursor: pointer;
    text-decoration: underline;
    text-align: center;
}

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

.modal-close {
    position: absolute;
    top: 12px;
    right: 16px;
    background: none;
    border: none;
    color: var(--muted);
    font-size: 18px;
    cursor: pointer;
}

/* Leaderboard */
.lb-tabs {
    display: flex;
    gap: 8px;
    width: 100%;
}

.lb-tab {
    flex: 1;
    padding: 9px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: none;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all .15s;
}

.lb-tab.active {
    border-color: var(--orange);
    color: var(--orange);
    background: rgba(249, 115, 22, .08);
}

.lb-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.lb-table th {
    text-align: left;
    padding: 8px 12px;
    color: var(--muted);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 1px solid var(--border);
}

.lb-table td {
    padding: 11px 12px;
    border-bottom: 1px solid var(--border);
}

.lb-table tr:last-child td {
    border-bottom: none;
}

.lb-table tr:hover td {
    background: var(--surface);
}

.rank {
    font-weight: 900;
    color: var(--muted);
}

.rank.gold {
    color: #fbbf24;
}

.rank.silver {
    color: #94a3b8;
}

.rank.bronze {
    color: #cd7f32;
}

.lb-score {
    font-weight: 900;
    color: var(--orange);
    text-align: right;
}

.lb-streak {
    color: var(--green-fg);
    font-weight: 700;
    text-align: right;
}

.lb-you td {
    background: rgba(249, 115, 22, .06);
}

.lb-section-title {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--muted);
    align-self: flex-start;
}

.site-footer {
    display: flex;
    justify-content: center;
    padding: 24px 0 32px;
    border-top: 1px solid var(--border);
    margin-top: 24px;
}

.kofi-link {
    color: var(--muted);
    text-decoration: none;
    font-size: 14px;
    transition: color .15s;
}

.kofi-link:hover {
    color: var(--orange);
}