/* gua 赛博签铺 —— 签铺风视觉
 * 视觉母题：旧时签铺。三条硬纪律：不用渐变（除纸纹噪点）、不用发光、不用圆角玻璃拟态。
 * 反 AI 味守卫见 tests/run-tests.js：径向渐变禁止；线性渐变仅允许含纸色 #f5efe2 的纸纹。
 */

:root {
    --paper: #f5efe2;      /* 宣纸米白 */
    --paper-dark: #ece3cf; /* 纸色加深（微扰层） */
    --ink: #2b2620;        /* 墨黑 */
    --cinnabar: #a83232;   /* 朱砂红 */
    --gold: #b98a2f;       /* 暗金（印章描边，克制使用） */
    --ink-soft: #6b6256;   /* 墨色弱化（次级文字） */
    --space: 8px;
}

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

html {
    -webkit-text-size-adjust: 100%;
}

body {
    /* 纸纹噪点：唯一允许的线性渐变，必须含纸色 */
    background:
        repeating-linear-gradient(0deg, #f5efe2 0px, #f5efe2 2px, #f1e9d8 3px, #f5efe2 4px);
    color: var(--ink);
    font-family: "ZCOOL KuaiLe", "PingFang SC", "Microsoft YaHei", sans-serif;
    min-height: 100vh;
    line-height: 1.6;
}

/* 主容器：居中、克制圆角（≤12px） */
.container {
    max-width: 480px;
    margin: 0 auto;
    padding: 24px var(--space) 48px;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
}

/* 标题区 */
.site-title {
    font-family: "Ma Shan Zheng", "ZCOOL KuaiLe", cursive;
    font-size: 42px;
    color: var(--cinnabar);
    letter-spacing: 4px;
    margin: 16px 0 4px;
}

.site-subtitle {
    color: var(--ink-soft);
    font-size: 14px;
    margin-bottom: 32px;
}

/* 签筒区 */
.sign-jar {
    width: 160px;
    height: 200px;
    margin: 24px auto;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 签筒：朱砂色筒身，无渐变 */
.jar-body {
    width: 120px;
    height: 150px;
    background: var(--cinnabar);
    border: 1px solid var(--gold);
    border-radius: 12px 12px 8px 8px;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: 12px;
}

.jar-rim {
    width: 136px;
    height: 18px;
    background: var(--gold);
    border-radius: 4px;
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
}

/* 筒内签（静止时的占位签头） */
.jar-sticks {
    position: absolute;
    top: -14px;
    display: flex;
    gap: 2px;
}

.jar-stick {
    width: 6px;
    height: 52px;
    background: var(--paper);
    border: 1px solid var(--ink-soft);
    border-radius: 2px;
}

/* 摇签动画态 */
.sign-jar.shaking .jar-body {
    animation: jar-shake 0.25s ease-in-out infinite alternate;
}

@keyframes jar-shake {
    from { transform: rotate(-6deg); }
    to   { transform: rotate(6deg); }
}

.sign-jar.shaking .jar-sticks {
    animation: stick-jump 0.2s ease-in-out infinite alternate;
}

@keyframes stick-jump {
    from { transform: translateY(0); }
    to   { transform: translateY(-10px); }
}

/* 主操作：摇签按钮（印章式，朱砂底 + 暗金边） */
.shake-btn {
    font-family: "Ma Shan Zheng", "ZCOOL KuaiLe", cursive;
    font-size: 22px;
    letter-spacing: 6px;
    color: #fff;
    background: var(--cinnabar);
    border: 2px solid var(--gold);
    border-radius: 6px;
    padding: 12px 32px;
    min-height: 48px;              /* ≥44px 触达热区 */
    cursor: pointer;
    transition: transform 0.1s;
}

.shake-btn:active {
    transform: scale(0.96);
}

.shake-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 今日已摇提示 */
.today-note {
    margin-top: 16px;
    color: var(--ink-soft);
    font-size: 13px;
}

/* 签卡（顶部签卡区，今日签与摇签结果共用） */
.sign-card {
    width: 100%;
    max-width: 420px;
    margin: 0 0 24px;
    background: var(--paper);
    border: 1px solid var(--ink-soft);
    border-radius: 8px;
    padding: 24px;
    box-shadow: 0 0 0 1px var(--gold);  /* 印章式描边，blur=0，非发光 */
    animation: card-fade 0.4s ease-out;
}

@keyframes card-fade {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

.sign-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--ink-soft);
    padding-bottom: 8px;
    margin-bottom: 12px;
}

.sign-number {
    font-size: 13px;
    color: var(--ink-soft);
    letter-spacing: 2px;
}

/* 评级印章：朱砂方块 + 白字 */
.sign-grade {
    display: inline-block;
    background: var(--cinnabar);
    color: #fff;
    border: 1px solid var(--gold);
    border-radius: 4px;
    padding: 2px 10px;
    font-size: 16px;
    letter-spacing: 2px;
}

.sign-title {
    font-family: "Ma Shan Zheng", "ZCOOL KuaiLe", cursive;
    font-size: 32px;
    color: var(--cinnabar);
    text-align: center;
    letter-spacing: 6px;
    margin: 8px 0 16px;
}

/* 卦象区：大卦符 + 卦名（朱砂色，无渐变无发光） */
.sign-hexagram {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin: 12px auto 4px;
    padding: 8px 0;
    border-top: 1px solid var(--ink-soft);
    border-bottom: 1px solid var(--ink-soft);
}

.hex-symbol {
    font-size: 34px;
    color: var(--cinnabar);
    line-height: 1;
}

.hex-name {
    font-family: "Ma Shan Zheng", "ZCOOL KuaiLe", cursive;
    font-size: 20px;
    color: var(--cinnabar);
    letter-spacing: 4px;
}

/* 签诗：竖排 */
.sign-poem {
    writing-mode: vertical-rl;
    text-orientation: upright;
    font-family: "Ma Shan Zheng", "ZCOOL KuaiLe", cursive;
    font-size: 22px;
    letter-spacing: 8px;
    line-height: 2.2;
    margin: 0 auto 20px;
    padding: 12px;
    border: 1px solid var(--ink-soft);
    border-radius: 6px;
    max-height: 280px;
    overflow-y: auto;
}

.sign-poem-line {
    white-space: nowrap;
}

.sign-reading {
    font-size: 15px;
    color: var(--ink);
    line-height: 1.8;
    margin-bottom: 16px;
    padding: 10px;
    border-left: 3px solid var(--cinnabar);
}

/* 宜/忌 */
.sign-lucky,
.sign-unlucky {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin: 8px 0;
}

.label {
    font-size: 14px;
    font-weight: bold;
    letter-spacing: 2px;
    margin-right: 4px;
}

.sign-lucky .label { color: var(--cinnabar); }
.sign-unlucky .label { color: var(--ink-soft); }

.tag {
    font-size: 13px;
    padding: 3px 10px;
    border-radius: 4px;
    border: 1px solid var(--ink-soft);
}

.tag-lucky {
    color: var(--cinnabar);
    border-color: var(--cinnabar);
}

.tag-unlucky {
    color: var(--ink-soft);
}

/* 分享弹窗（桌面端兜底） */
.share-modal {
    position: fixed;
    inset: 0;
    background: rgba(43, 38, 32, 0.6);
    display: flex;
    /* flex-start + margin:auto：内容不高时居中；超高时可滚动到顶部（二维码不被裁掉） */
    align-items: flex-start;
    justify-content: center;
    z-index: 100;
    padding: 20px;
    overflow-y: auto;
}

.share-modal-content {
    background: var(--paper);
    border: 1px solid var(--ink-soft);
    border-radius: 8px;
    max-width: 360px;
    width: 100%;
    padding: 20px;
    position: relative;
    text-align: center;
    margin: auto; /* 配合 flex-start：超高时顶对齐可滚，不高时垂直居中 */
}

.share-modal-title {
    font-family: "Ma Shan Zheng", "ZCOOL KuaiLe", cursive;
    color: var(--cinnabar);
    font-size: 20px;
    margin-bottom: 12px;
}

.share-close {
    position: absolute;
    top: 8px;
    right: 12px;
    background: none;
    border: none;
    font-size: 18px;
    cursor: pointer;
    color: var(--ink-soft);
}

.share-qr {
    width: 150px;
    height: 150px;
    border: 1px solid var(--ink-soft);
    border-radius: 4px;
    margin: 8px auto;
    display: block;
}

.share-hint {
    color: var(--ink-soft);
    font-size: 12px;
    margin: 8px 0;
}

.share-img {
    width: 100%;
    border: 1px solid var(--ink-soft);
    border-radius: 6px;
    margin-top: 12px;
}

.share-copy-btn {
    margin-top: 8px;
}

/* 再求一签 + 分享 */
.re-roll {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.share-btn {
    background: var(--ink);
    border-color: var(--ink);
    font-size: 16px;
    letter-spacing: 2px;
    padding: 12px 20px;
}

/* 加载/空态占位 */
.loading {
    text-align: center;
    color: var(--ink-soft);
    padding: 40px 0;
    font-size: 14px;
}

.hidden {
    display: none !important;
}

/* 移动端适配 */
@media (max-width: 480px) {
    .container {
        padding: 16px 16px 40px;
    }
    .site-title {
        font-size: 34px;
    }
    .sign-card {
        padding: 16px;
    }
    .sign-poem {
        font-size: 19px;
    }
}