/* ====== 动漫猜猜看 ====== */
* { margin: 0; padding: 0; box-sizing: border-box; }
[hidden] { display: none !important; }

:root {
    --anime-p1: #9a97c4;
    --anime-p2: #6a67a0;
    --anime-grad: linear-gradient(135deg, #9a97c4 0%, #6a67a0 100%);
    --card-bg: #fff;
    --text-main: #2b2b3a;
    --text-sub: #8a8aa0;
    --ok: #2f9e6e;
    --err: #e74c3c;
}

body {
    font-family: "Comic Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
    min-height: 100vh;
    background:
        radial-gradient(1200px 600px at 85% -10%, rgba(154, 151, 196, .35), transparent 60%),
        radial-gradient(900px 500px at -10% 110%, rgba(106, 103, 160, .3), transparent 60%),
        linear-gradient(160deg, #f6f6fa 0%, #eceaf5 100%);
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    transition: background .3s ease, color .3s ease;
}

/* ====== 界面切换 ====== */
.qa-screen {
    display: none;
    width: 100%;
    max-width: 560px;
    animation: screenIn .45s cubic-bezier(.22, .8, .36, 1);
}
.qa-screen.active { display: block; }
@keyframes screenIn {
    from { opacity: 0; transform: translateY(24px) scale(.98); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ====== 开始界面 ====== */
.start-card {
    background: var(--card-bg);
    border-radius: 24px;
    padding: 44px 36px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(90, 85, 140, .18);
    border: 1px solid rgba(255, 255, 255, .6);
}
.start-logo {
    font-size: 30px;
    font-weight: 700;
    background: var(--anime-grad);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 2px;
}
.logo-mark { -webkit-text-fill-color: #f0b32e; }
.start-sub { color: var(--text-sub); margin: 12px 0 26px; font-size: 15px; }
.start-info {
    display: flex;
    justify-content: center;
    gap: 14px;
    margin-bottom: 30px;
}

/* 模式选择 */
.mode-picker {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin: -10px 0 18px;
}
.mode-btn {
    padding: 8px 18px;
    border-radius: 99px;
    border: 1.5px solid rgba(154, 151, 196, .35);
    background: #fff;
    color: var(--text-sub);
    font-size: 13px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all .15s ease;
}
.mode-btn.active {
    border-color: var(--anime-p2);
    background: rgba(154, 151, 196, .14);
    color: var(--anime-p2);
}
.info-item {
    flex: 1;
    max-width: 120px;
    background: rgba(154, 151, 196, .1);
    border-radius: 14px;
    padding: 12px 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.info-item b { font-size: 20px; color: var(--anime-p2); }
.info-item span { font-size: 12px; color: var(--text-sub); }

.btn-start {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 14px;
    font-size: 17px;
    font-weight: 700;
    font-family: inherit;
    color: #fff;
    background: var(--anime-grad);
    cursor: pointer;
    box-shadow: 0 10px 26px rgba(106, 103, 160, .4);
    transition: transform .15s ease, box-shadow .15s ease;
}
.btn-start:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(106, 103, 160, .5); }
.btn-start:active { transform: scale(.97); }
.back-home { display: inline-block; margin-top: 18px; color: var(--text-sub); font-size: 13px; text-decoration: none; }
.back-home:hover { color: var(--anime-p2); }

/* ====== 答题头部 ====== */
.quiz-head { margin-bottom: 16px; }
.quiz-top {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}
.quiz-progress { font-size: 13px; font-weight: 700; color: var(--anime-p2); white-space: nowrap; }
.quiz-bar {
    flex: 1;
    height: 8px;
    border-radius: 99px;
    background: rgba(154, 151, 196, .22);
    overflow: hidden;
}
.quiz-bar i {
    display: block;
    height: 100%;
    width: 0;
    border-radius: 99px;
    background: var(--anime-grad);
    transition: width .4s cubic-bezier(.22, .8, .36, 1);
}
.quiz-score { font-size: 14px; white-space: nowrap; }
.quiz-score b { color: var(--anime-p2); }
.quiz-combo {
    text-align: center;
    font-size: 13px;
    font-weight: 700;
    color: #f0b32e;
    animation: comboPop .3s ease;
}
@keyframes comboPop { from { transform: scale(1.4); opacity: 0; } to { transform: scale(1); opacity: 1; } }

/* ====== 题目卡片 ====== */
.quiz-card {
    background: var(--card-bg);
    border-radius: 24px;
    padding: 24px;
    box-shadow: 0 20px 60px rgba(90, 85, 140, .16);
    border: 1px solid rgba(255, 255, 255, .6);
}
.pic-frame {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    background: linear-gradient(160deg, #262640 0%, #1b1b2e 100%);
    max-height: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
}
.pic-frame img {
    width: 100%;
    max-height: 380px;
    object-fit: contain;
    display: block;
}
.pic-tag {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(20, 18, 40, .55);
    color: #fff;
    font-size: 12px;
    padding: 4px 12px;
    border-radius: 99px;
    backdrop-filter: blur(4px);
}
.quiz-q {
    font-size: 17px;
    line-height: 1.5;
    margin-bottom: 18px;
    font-weight: 700;
}

/* 选项 */
.opts { display: flex; flex-direction: column; gap: 10px; }
.opt {
    width: 100%;
    text-align: left;
    padding: 13px 16px;
    border-radius: 12px;
    border: 1.5px solid rgba(154, 151, 196, .35);
    background: #fff;
    font-size: 14px;
    font-family: inherit;
    color: var(--text-main);
    cursor: pointer;
    transition: all .15s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}
.opt .opt-key {
    width: 24px;
    height: 24px;
    border-radius: 8px;
    background: rgba(154, 151, 196, .15);
    color: var(--anime-p2);
    font-weight: 700;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.opt:hover:not(:disabled) { border-color: var(--anime-p2); background: rgba(154, 151, 196, .07); }
.opt:disabled { cursor: default; }
.opt.correct {
    border-color: var(--ok);
    background: rgba(47, 158, 110, .1);
    animation: shakeOk .45s ease;
}
.opt.correct .opt-key { background: var(--ok); color: #fff; }
.opt.wrong {
    border-color: var(--err);
    background: rgba(231, 76, 60, .08);
    animation: shakeX .45s ease;
}
.opt.wrong .opt-key { background: var(--err); color: #fff; }
@keyframes shakeOk { 0%, 100% { transform: scale(1); } 40% { transform: scale(1.03); } }
@keyframes shakeX {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-7px); }
    40% { transform: translateX(7px); }
    60% { transform: translateX(-5px); }
    80% { transform: translateX(5px); }
}

/* 问答题 */
.text-ans { display: flex; gap: 10px; }
.text-ans input {
    flex: 1;
    padding: 13px 16px;
    border-radius: 12px;
    border: 1.5px solid rgba(154, 151, 196, .35);
    font-size: 14px;
    font-family: inherit;
    outline: none;
    background: #fff;
    color: var(--text-main);
    transition: border-color .15s ease;
}
.text-ans input:focus { border-color: var(--anime-p2); }
.btn-submit {
    padding: 0 22px;
    border: none;
    border-radius: 12px;
    background: var(--anime-grad);
    color: #fff;
    font-weight: 700;
    font-size: 14px;
    font-family: inherit;
    cursor: pointer;
    transition: transform .15s ease;
}
.btn-submit:active { transform: scale(.95); }

/* 反馈 */
.quiz-feedback {
    min-height: 26px;
    margin-top: 14px;
    text-align: center;
    font-size: 14px;
    font-weight: 700;
    opacity: 0;
    transition: opacity .25s ease;
}
.quiz-feedback.show { opacity: 1; }
.quiz-feedback.ok { color: var(--ok); }
.quiz-feedback.err { color: var(--err); }

/* 下一题按钮 */
.btn-next {
    display: block;
    width: 100%;
    margin-top: 10px;
    padding: 13px;
    border: none;
    border-radius: 14px;
    background: var(--anime-grad);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(126, 116, 191, .35);
    transition: transform .15s ease, box-shadow .15s ease;
}
.btn-next:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(126, 116, 191, .45); }
.btn-next.pulse { animation: nextPulse .5s ease; }
@keyframes nextPulse { 0% { transform: scale(1); } 45% { transform: scale(1.04); } 100% { transform: scale(1); } }

/* ====== 结果界面 ====== */
.result-card {
    background: var(--card-bg);
    border-radius: 24px;
    padding: 40px 36px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(90, 85, 140, .18);
}
.result-trophy { font-size: 64px; animation: trophyIn .6s cubic-bezier(.22, .8, .36, 1) both; }
@keyframes trophyIn { from { transform: scale(0) rotate(-30deg); } to { transform: scale(1) rotate(0); } }
.result-title { font-size: 24px; margin: 14px 0 6px; }
.result-sub { color: var(--text-sub); font-size: 14px; }
.score-ring {
    width: 132px;
    height: 132px;
    margin: 26px auto;
    border-radius: 50%;
    background: conic-gradient(#9a97c4 0deg, #eceaf5 0deg);
    display: flex;
    align-items: baseline;
    justify-content: center;
    padding-top: 42px;
    box-sizing: border-box;
}
.score-ring b { font-size: 38px; color: var(--anime-p2); }
.score-ring span { color: var(--text-sub); font-size: 15px; }
.result-stars { font-size: 30px; letter-spacing: 6px; min-height: 40px; }
.result-remark { color: var(--text-sub); font-size: 14px; margin-bottom: 26px; }
.result-actions { display: flex; gap: 12px; }
.btn-retry, .btn-home, .btn-submit-q {
    flex: 1;
    padding: 14px;
    border-radius: 14px;
    font-size: 15px;
    font-weight: 700;
    font-family: inherit;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: transform .15s ease;
}
.btn-retry { border: none; color: #fff; background: var(--anime-grad); box-shadow: 0 8px 22px rgba(106, 103, 160, .4); }
.btn-home { border: 1.5px solid rgba(154, 151, 196, .4); color: var(--anime-p2); background: #fff; }
.btn-retry:hover, .btn-home:hover { transform: translateY(-2px); }
.btn-retry:active, .btn-home:active { transform: scale(.96); }

/* 分数弹跳 */
.score-pop { animation: scorePop .35s ease; }
@keyframes scorePop { 0% { transform: scale(1); } 40% { transform: scale(1.35); } 100% { transform: scale(1); } }

/* ====== 出题界面 ====== */
.submit-card {
    background: var(--card-bg);
    border-radius: 24px;
    padding: 34px 30px;
    box-shadow: 0 20px 60px rgba(90, 85, 140, .18);
    border: 1px solid rgba(255, 255, 255, .6);
}
.submit-card .start-logo { font-size: 24px; text-align: center; }
.submit-card .start-sub { text-align: center; margin-bottom: 20px; }
.sub-form { display: flex; flex-direction: column; gap: 10px; }
.sub-tabs { display: flex; gap: 8px; }
.sub-tab {
    padding: 7px 16px;
    border-radius: 99px;
    border: 1.5px solid rgba(154, 151, 196, .35);
    background: #fff;
    color: var(--text-sub);
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
    transition: all .15s ease;
}
.sub-tab.active { border-color: var(--anime-p2); background: rgba(154, 151, 196, .12); color: var(--anime-p2); font-weight: 700; }
.sub-pic-preview {
    width: 100%;
    max-height: 240px;
    border-radius: 12px;
    border: 1.5px dashed rgba(154, 151, 196, .4);
    background: rgba(154, 151, 196, .07);
    display: none;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    color: var(--text-sub);
    font-size: 13px;
}
.sub-pic-preview img { width: 100%; max-height: 240px; object-fit: contain; }
.sub-hint { font-size: 12px; color: var(--text-sub); }
.sub-input {
    width: 100%;
    padding: 11px 14px;
    border-radius: 12px;
    border: 1.5px solid rgba(154, 151, 196, .35);
    background: #fff;
    color: var(--text-main);
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: border-color .15s ease;
}
.sub-input:focus { border-color: var(--anime-p2); }
.sub-btn { padding: 9px 18px; border-radius: 10px; font-family: inherit; font-size: 13px; cursor: pointer; border: none; }
.sub-btn-ghost { border: 1.5px solid rgba(154, 151, 196, .4); background: #fff; color: var(--anime-p2); }
.sub-block {
    border: 1px solid rgba(154, 151, 196, .25);
    border-radius: 14px;
    padding: 14px;
    background: rgba(154, 151, 196, .05);
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.sub-block-title { font-size: 14px; font-weight: 700; }
.sub-block-title small { color: var(--text-sub); font-weight: 400; font-size: 12px; margin-left: 6px; }
.sub-opts { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.sub-correct { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-sub); }
.sub-correct select {
    padding: 6px 10px;
    border-radius: 8px;
    border: 1.5px solid rgba(154, 151, 196, .35);
    font-family: inherit;
    background: #fff;
    color: var(--text-main);
}
#sub-submit { margin-top: 8px; }
.sub-tip { text-align: center; font-size: 13px; font-weight: 600; min-height: 20px; }
.sub-back {
    border: none;
    background: none;
    color: var(--text-sub);
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
    align-self: center;
}
.sub-back:hover { color: var(--anime-p2); }
.btn-submit-q {
    border: 1.5px dashed var(--anime-p2);
    color: var(--anime-p2);
    background: rgba(154, 151, 196, .07);
}
body[data-theme="dark"] .submit-card { border-color: rgba(255, 255, 255, .06); box-shadow: 0 20px 60px rgba(0, 0, 0, .4); }
body[data-theme="dark"] .sub-tab,
body[data-theme="dark"] .sub-input,
body[data-theme="dark"] .sub-btn-ghost,
body[data-theme="dark"] .sub-correct select,
body[data-theme="dark"] .mode-btn { background: #23233a; border-color: rgba(154, 151, 196, .3); color: var(--text-main); }
body[data-theme="dark"] .mode-btn.active { background: rgba(154, 151, 196, .25); color: var(--anime-p2); }
body[data-theme="dark"] .sub-block { background: rgba(154, 151, 196, .08); }
body[data-theme="dark"] .btn-submit-q { background: rgba(154, 151, 196, .14); }

/* ====== 深色模式（跟随站点主题） ====== */
body[data-theme="dark"] {
    --card-bg: #1b1b2c;
    --text-main: #e8e7f2;
    --text-sub: #8f8fa8;
    background:
        radial-gradient(1200px 600px at 85% -10%, rgba(154, 151, 196, .18), transparent 60%),
        radial-gradient(900px 500px at -10% 110%, rgba(106, 103, 160, .16), transparent 60%),
        linear-gradient(160deg, #12121f 0%, #17172a 100%);
}
body[data-theme="dark"] .start-card,
body[data-theme="dark"] .quiz-card,
body[data-theme="dark"] .result-card {
    border-color: rgba(255, 255, 255, .06);
    box-shadow: 0 20px 60px rgba(0, 0, 0, .4);
}
body[data-theme="dark"] .opt,
body[data-theme="dark"] .text-ans input {
    background: #23233a;
    border-color: rgba(154, 151, 196, .3);
    color: var(--text-main);
}
body[data-theme="dark"] .info-item { background: rgba(154, 151, 196, .12); }
body[data-theme="dark"] .btn-home { background: #23233a; }

/* 移动端适配 */
@media (max-width: 520px) {
    .start-card, .result-card { padding: 32px 22px; }
    .quiz-card { padding: 18px; }
    .pic-frame { max-height: 300px; }
    .pic-frame img { max-height: 300px; }
}