:root {
    --bg: #0f1419;
    --card: #1b2430;
    --card-2: #232f3e;
    --text: #e8edf2;
    --muted: #9aa7b4;
    --accent: #f4c20d;
    --accent-text: #f4c20d;
    --good: #2ecc71;
    --bad: #e74c3c;
    --border: #2e3a48;
}

[data-theme="light"] {
    --bg: #eef1f5;
    --card: #ffffff;
    --card-2: #f1f4f8;
    --text: #1a222c;
    --muted: #5b6b7a;
    --accent: #b8860b;
    --accent-text: #8a6400;
    --good: #18834a;
    --bad: #c0392b;
    --border: #d6dde4;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
}

a { color: var(--accent); }

.app-main {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 1.5rem 1rem 4rem;
}

.game {
    position: relative;
    width: 100%;
    max-width: 540px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.5rem 1.5rem 1rem;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.help-btn {
    position: absolute;
    top: 1.1rem;
    right: 1.1rem;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--card-2);
    color: var(--text);
    font-size: 1rem;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
}
.help-btn:hover { border-color: var(--accent); color: var(--accent); }

.theme-btn {
    position: absolute;
    top: 1.1rem;
    left: 1.1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--card-2);
    color: var(--text);
    padding: 0;
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
}
.theme-btn:hover { border-color: var(--accent); }

.game-header { text-align: center; }
.game-header h1 { margin: 0; font-size: 2rem; letter-spacing: 0.5px; }
.game-header h1:focus { outline: none; box-shadow: none; }
.tagline { margin: 0.35rem 0 1rem; color: var(--muted); font-size: 0.95rem; }

/* Chart */
.chart { display: flex; flex-direction: column; align-items: center; gap: 0.75rem; }
.chart svg { display: block; }
.chart-center { font-size: 1.7rem; fill: var(--accent-text); }

.legend {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.35rem 0.9rem;
    max-width: 360px;
}
.legend li { display: flex; align-items: center; gap: 0.4rem; font-size: 0.85rem; }
.swatch { width: 12px; height: 12px; border-radius: 3px; display: inline-block; }
.legend-source { color: var(--text); }
.legend-pct { color: var(--muted); }

.chart-caption {
    text-align: center;
    color: var(--muted);
    font-size: 0.85rem;
    margin: 0.25rem 0 1.25rem;
}

/* Guesses */
.guesses { display: flex; flex-direction: column; gap: 0.45rem; margin-bottom: 1rem; }
.guess-row {
    display: grid;
    grid-template-columns: 1.6rem 1fr auto auto auto;
    align-items: center;
    gap: 0.5rem;
    background: var(--card-2);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.55rem 0.7rem;
    font-size: 0.92rem;
}
.guess-row.correct {
    border-color: var(--good);
    background: rgba(46, 204, 113, 0.12);
}
.guess-flag { font-size: 1.2rem; }
.guess-name { font-weight: 600; }
.guess-distance { color: var(--muted); font-variant-numeric: tabular-nums; }
.guess-arrow { font-size: 1.15rem; }
.guess-proximity { font-weight: 700; color: var(--accent-text); font-variant-numeric: tabular-nums; }
.guess-correct { grid-column: 3 / -1; text-align: right; color: var(--good); font-weight: 700; }
.guess-continent {
    grid-column: 2 / -1;
    font-size: 0.78rem;
    color: var(--bad);
}
.guess-continent.same { color: var(--good); }

/* Input */
.guess-input {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.guess-input input {
    flex: 1 1 auto;
    min-width: 0;
    background: var(--card-2);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text);
    padding: 0.7rem 0.85rem;
    font-size: 1rem;
}
.guess-input input:focus { outline: 2px solid var(--accent); border-color: var(--accent); }
.btn-guess {
    flex: 0 0 auto;
    background: var(--accent);
    color: #1a1a1a;
    border: none;
    border-radius: 10px;
    padding: 0 1.2rem;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
}
.btn-guess:hover { filter: brightness(1.05); }

.remaining { color: var(--muted); font-size: 0.85rem; margin: 0.6rem 0 0; text-align: center; }
.error { color: var(--bad); text-align: center; margin: 0.5rem 0 0; }
.loading { text-align: center; color: var(--muted); }

/* Result */
.result {
    margin-top: 0.5rem;
    text-align: center;
    border-top: 1px solid var(--border);
    padding-top: 1rem;
}
.result h2 { margin: 0.2rem 0; }
.result.won h2 { color: var(--good); }
.result.lost h2 { color: var(--bad); }

.btn-share {
    background: var(--good);
    color: #08230f;
    border: none;
    border-radius: 10px;
    padding: 0.6rem 1.3rem;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    margin: 0.6rem 0;
}
.btn-share:hover { filter: brightness(1.05); }

.share-grid {
    background: var(--card-2);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.7rem;
    font-size: 1.1rem;
    line-height: 1.35;
    margin: 0.4rem auto 0.8rem;
    display: block;
    width: fit-content;
    font-family: "Segoe UI Emoji", "Apple Color Emoji", sans-serif;
}
.countdown { color: var(--muted); font-size: 0.9rem; }
.countdown strong { color: var(--text); font-variant-numeric: tabular-nums; }

.game-footer {
    margin-top: 1.25rem;
    border-top: 1px solid var(--border);
    padding-top: 0.75rem;
}
.game-footer p { color: var(--muted); font-size: 0.75rem; text-align: center; margin: 0; }

@media (max-width: 420px) {
    .guess-row { grid-template-columns: 1.4rem 1fr auto; }
    .guess-distance, .guess-arrow { grid-row: 2; }
}

/* How-to-play modal */
.help-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    z-index: 2000;
}
.help-modal-overlay:focus { outline: none; }
.help-modal {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    max-width: 460px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    padding: 1.25rem 1.5rem 1.5rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}
.help-modal-head { display: flex; align-items: center; justify-content: space-between; }
.help-modal-head h2 { margin: 0; font-size: 1.4rem; }
.help-modal-close {
    background: none;
    border: none;
    color: var(--muted);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.25rem;
    line-height: 1;
}
.help-modal-close:hover { color: var(--text); }
.help-modal-body p { color: var(--text); line-height: 1.5; }
.rules { padding-left: 1.1rem; margin: 0.5rem 0; }
.rules li { margin: 0.35rem 0; color: var(--text); line-height: 1.45; }
.rules-subhead { color: var(--muted); margin-bottom: 0.25rem; font-size: 0.9rem; }
.hint-key { list-style: none; padding-left: 0; margin: 0.5rem 0; }
.hint-key li { display: flex; gap: 0.6rem; align-items: flex-start; margin: 0.4rem 0; color: var(--text); line-height: 1.45; }
.hint-ico { font-size: 1.1rem; width: 1.6rem; text-align: center; flex: none; }
.example { margin-top: 1rem; }
.ex-label { display: block; color: var(--muted); font-size: 0.8rem; margin-bottom: 0.35rem; }
.help-modal-go { width: 100%; margin-top: 1.25rem; padding: 0.7rem; }

/* Blazor framework error UI */
.blazor-error-boundary {
    background: #b32121;
    padding: 1rem 1rem 1rem 1rem;
    color: white;
}
.blazor-error-boundary::after { content: "An error has occurred."; }

#blazor-error-ui {
    color-scheme: light only;
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    color: #000;
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}
#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 0.75rem;
    top: 0.5rem;
}