:root {
    color-scheme: light;
    --bg: #f4efe6;
    --panel: #fffdf9;
    --ink: #1d1c19;
    --muted: #6a655d;
    --accent: #0f6a4b;
    --accent-strong: #0a4f38;
    --bad: #a43a2f;
    --line: #ddd1c0;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Georgia, "Times New Roman", serif;
    background:
        radial-gradient(circle at top left, rgba(15, 106, 75, 0.12), transparent 28%),
        linear-gradient(180deg, #f7f2ea 0%, var(--bg) 100%);
    color: var(--ink);
}

.layout {
    max-width: 900px;
    margin: 0 auto;
    padding: 32px 20px 48px;
}

.card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 24px;
    box-shadow: 0 14px 30px rgba(66, 48, 24, 0.08);
}

.card + .card {
    margin-top: 18px;
}

.hero-top,
.scenario,
.secondary-actions,
.actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.hero-top {
    justify-content: space-between;
    align-items: flex-start;
}

.eyebrow,
.label,
.score-label,
.score-percent,
.hint {
    color: var(--muted);
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.8rem;
    margin: 0 0 8px;
}

h1,
h2,
p {
    margin-top: 0;
}

h1 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    line-height: 1.05;
    max-width: 11ch;
    margin-bottom: 0;
}

.score-box,
.scenario-block,
.feedback {
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.72);
}

.score-box {
    min-width: 140px;
    padding: 16px;
    text-align: right;
}

.score-box strong {
    display: block;
    font-size: 2rem;
}

.scenario {
    margin-top: 24px;
}

.scenario-block {
    flex: 1 1 180px;
    padding: 16px;
}

.scenario-block strong {
    display: block;
    font-size: 1.5rem;
    margin-top: 6px;
}

.actions {
    margin: 18px 0 10px;
}

button {
    border: 0;
    border-radius: 999px;
    padding: 12px 18px;
    font: inherit;
    font-weight: 700;
    color: white;
    background: var(--accent);
    cursor: pointer;
    transition: transform 120ms ease, background 120ms ease;
}

button:hover:enabled {
    background: var(--accent-strong);
    transform: translateY(-1px);
}

button:disabled {
    cursor: not-allowed;
    opacity: 0.55;
}

button.secondary {
    color: var(--ink);
    background: #ece1d1;
}

.feedback {
    padding: 18px;
    margin: 18px 0;
}

.feedback.correct {
    border-color: rgba(15, 106, 75, 0.35);
}

.feedback.incorrect {
    border-color: rgba(164, 58, 47, 0.35);
}

.feedback.incorrect .result {
    color: var(--bad);
}

.result {
    font-weight: 700;
}

@media (max-width: 640px) {
    .layout {
        padding: 18px 14px 28px;
    }

    .card {
        padding: 18px;
    }

    h1 {
        max-width: none;
    }

    .score-box {
        width: 100%;
        text-align: left;
    }

    .actions button,
    .secondary-actions form,
    .secondary-actions button {
        width: 100%;
    }
}