/**
 * game.css —— 飞花令：考卷宣纸 · 墨印反馈
 */

body {
    min-height: 100vh;
    background:
        var(--mountains-ink),
        linear-gradient(180deg, #fbf7ec 0%, var(--paper) 45%, var(--paper-2) 100%);
    background-size: cover, cover;
    background-repeat: no-repeat, no-repeat;
    background-position: bottom center, center;
}

/* ---------- 面板 ---------- */
.game-panel {
    max-width: 720px;
    margin: 0 auto;
    padding: 2rem 2.2rem;
    background:
        var(--grain-light),
        linear-gradient(170deg, #fffdf6, #f1e8d2);
    border: 1px solid rgba(154, 138, 109, 0.55);
    border-radius: 10px;
    box-shadow: 0 10px 34px rgba(31, 26, 23, 0.14);
    animation: inkFadeUp 0.6s ease both;
}

.game-intro { text-align: center; color: var(--ink-2); font-size: 1.02rem; line-height: 2; }
.game-intro p { margin-bottom: 0.4rem; }
.mode-list {
    list-style: none;
    margin: 0.8rem 0 1rem;
    text-align: left;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}
.mode-list li { padding: 0.25rem 0 0.25rem 1.6rem; position: relative; }
.mode-list li::before {
    content: '❋';
    position: absolute;
    left: 4px;
    color: var(--bamboo);
}
.mode-list b { color: var(--cinnabar); }

.start-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.6rem;
    flex-wrap: wrap;
}
.best-line {
    margin-top: 1.4rem;
    text-align: center;
    color: var(--ink-soft);
    font-size: 0.95rem;
    letter-spacing: 1px;
}
.best-line span { color: var(--cinnabar); }

/* ---------- 游戏过程 ---------- */
.game-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 0.9rem;
    margin-bottom: 1.2rem;
    border-bottom: 1px dashed rgba(154, 138, 109, 0.5);
    font-size: 0.98rem;
    letter-spacing: 1px;
    color: var(--ink-soft);
}
.game-bar b { color: var(--ink); font-size: 1.1rem; }
.streak-tag b { color: var(--cinnabar); }

.game-mode {
    text-align: center;
    font-family: var(--font-display);
    font-size: 1.2rem;
    letter-spacing: 4px;
    color: var(--bamboo-dark);
    margin-bottom: 1rem;
}

.question {
    text-align: center;
    padding: 1.6rem 1rem;
    background: rgba(246, 240, 226, 0.65);
    border: 1px solid rgba(63, 107, 53, 0.3);
    border-radius: 8px;
    position: relative;
}
.q-label {
    position: absolute;
    top: -11px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bamboo-dark);
    color: #eef3e2;
    font-size: 0.8rem;
    letter-spacing: 3px;
    padding: 0.1rem 0.9rem;
    border-radius: 999px;
}
.q-text {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3.4vw, 2.1rem);
    letter-spacing: 4px;
    color: var(--ink);
    line-height: 1.8;
}

.options {
    margin-top: 1.4rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.9rem;
}
.opt-btn {
    padding: 0.9rem 1rem;
    font-family: var(--font-serif);
    font-size: 1.05rem;
    letter-spacing: 2px;
    color: var(--ink-2);
    background: rgba(255, 253, 246, 0.9);
    border: 1px solid rgba(63, 107, 53, 0.45);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.22s;
}
.opt-btn:hover:not(:disabled) {
    border-color: var(--bamboo);
    background: rgba(92, 138, 78, 0.12);
    transform: translateY(-2px);
    box-shadow: 0 5px 12px rgba(63, 107, 53, 0.18);
}
.opt-btn.correct {
    background: rgba(63, 107, 53, 0.85);
    color: #f2f6e8;
    border-color: var(--bamboo-dark);
    box-shadow: 0 4px 14px rgba(63, 107, 53, 0.4);
}
.opt-btn.wrong {
    background: rgba(176, 58, 46, 0.82);
    color: #fdf0e8;
    border-color: var(--cinnabar-dark);
    animation: shake 0.4s;
}
.opt-btn:disabled { cursor: default; }
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-7px); }
    75% { transform: translateX(7px); }
}

.feedback {
    margin-top: 1.1rem;
    min-height: 2rem;
    text-align: center;
    font-size: 1rem;
    letter-spacing: 1px;
    color: var(--ink-2);
}
.feedback.ok { color: var(--bamboo-dark); }
.feedback.no { color: var(--cinnabar); }

/* 墨点飞溅（答对反馈） */
.ink-dot {
    position: fixed;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(63, 107, 53, 0.5), transparent 70%);
    pointer-events: none;
    z-index: 400;
    animation: dotFly 0.7s ease-out forwards;
}
@keyframes dotFly {
    from { transform: translate(0, 0) scale(1); opacity: 0.9; }
    to { transform: translate(var(--dx), var(--dy)) scale(0.2); opacity: 0; }
}

/* ---------- 结算 ---------- */
.result-panel { text-align: center; }
.result-seal {
    width: 108px;
    height: 108px;
    margin: 0 auto 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--cinnabar);
    color: #f7ead6;
    border: 2px solid #f7ead6;
    box-shadow: inset 0 0 0 5px var(--cinnabar), 0 6px 20px rgba(142, 43, 33, 0.45);
    border-radius: 8px;
    font-family: var(--font-display);
    font-size: 2rem;
    transform: rotate(-5deg);
    animation: sealDrop 0.8s cubic-bezier(0.2, 1.4, 0.4, 1) both;
}
@keyframes sealDrop {
    from { transform: rotate(-5deg) translateY(-60px) scale(1.6); opacity: 0; }
    to { transform: rotate(-5deg) translateY(0) scale(1); opacity: 1; }
}
.result-title {
    font-family: var(--font-display);
    font-size: 2rem;
    letter-spacing: 8px;
    color: var(--ink);
}
.result-score { margin-top: 0.8rem; font-size: 1.1rem; color: var(--ink-2); }
.result-score b { color: var(--cinnabar); font-size: 1.4rem; }
.result-msg { margin-top: 0.5rem; color: var(--ink-soft); line-height: 1.9; }

@media (max-width: 560px) {
    .game-panel { padding: 1.4rem 1rem; }
    .options { grid-template-columns: 1fr; }
}