/* ============================================================
   layout.css — 顶栏 / 主视图 / 底部 Tab / 子页面弹层（星夜藏蓝 v2）
   结构契约不变：#appHeader/#appView/#overlay/#tabBar、
   fit-tight/fit-mini/view-scroll、overlay-scroll/overlay--fixed
   ============================================================ */

/* ---------------- 顶部标题栏 ---------------- */
.app-header {
    position: sticky;
    top: 0;
    z-index: 20;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, rgba(5,7,12,0.94), rgba(8,10,17,0.86));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(217,184,94,0.28);
    box-shadow: 0 2px 14px rgba(2,3,8,0.5), inset 0 1px 0 rgba(252,243,208,0.12);
}
/* 标题两侧细金线，替代旧祥云，星图仪器感更克制 */
.app-header::before, .app-header::after {
    content: "";
    position: absolute;
    top: 50%;
    width: 56px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(217,184,94,0.55));
    transform: translateY(-50%);
}
.app-header::before { left: 14px; }
.app-header::after { right: 14px; transform: translateY(-50%) rotate(180deg); }
.header-title {
    display: flex; align-items: center; gap: 8px;
    font-family: var(--font-display);
    font-size: var(--fs-xl);
    line-height: var(--lh-none);
    letter-spacing: var(--ls-title);
    font-weight: var(--fw-semi);
    background: linear-gradient(180deg, var(--gold-100), var(--gold-300) 60%, var(--gold-500));
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 1px 6px rgba(217,184,94,0.35));
}
/* 顶栏主题图标：与背景搭配的鎏金星盘（全站四 Tab 统一），缓慢旋转 */
.header-disc {
    width: 22px; height: 22px; flex: none; border-radius: 50%;
    background: var(--img-astrolabe) center/cover no-repeat;
    border: 1px solid rgba(232,204,140,0.65);
    box-shadow: 0 0 8px rgba(203,164,78,0.4), inset 0 0 4px rgba(0,0,0,0.6);
    -webkit-text-fill-color: initial;
    animation: spin-slow 48s linear infinite;
}
/* 旧祥云节点保留结构（index.html 中），视觉隐藏避免与金线重复 */
.header-cloud { display: none; }
.header-cloud svg { width: 40px; height: 19px; display: block; }
.header-cloud--left { left: 14px; }
.header-cloud--right { right: 14px; }

@keyframes spin-slow { to { transform: rotate(360deg); } }

/* ---------------- 四主屏固定一屏 ---------------- */
html, body {
    height: 100%;
    overflow: hidden;
    overscroll-behavior: none;
}

/* ---------------- 主视图 ---------------- */
.app-view {
    max-width: 640px;
    margin: 0 auto;
    padding: 14px 14px 0;
    height: calc(100vh - 50px - var(--tabbar-h));
    height: calc(100dvh - 50px - var(--tabbar-h));
    height: calc(var(--app-vh, 100dvh) - 50px - var(--tabbar-h));
    overflow: hidden;
    /* 单屏适配降级后仍可能因取整残留 1~2px 溢出（实测 #/mine 页脚被裁 1px）：
       纵向改为可滚动兜底（正常情况内容恰好一屏、不出滚动条），隐藏滚动条保持单屏观感 */
    overflow: hidden auto;
    overscroll-behavior: contain;
    scrollbar-width: none;
    transform-origin: top center;
}
.app-view::-webkit-scrollbar { width: 0; height: 0; }
.page-enter { animation: page-in .3s ease; }

/* ============ 单屏适配逐级降级（Fit.fitMain），尺寸契约与 v1 一致 ============ */
.page-enter.fit-tight .gc-card { padding: 12px 13px; margin-bottom: 10px; }
.page-enter.fit-tight .hero { padding: 10px 0 8px; margin-bottom: 10px; }
.page-enter.fit-tight .pan-logo { padding-bottom: 8px; }
.page-enter.fit-tight .pan-logo__ico { width: 34px; height: 34px; }
.page-enter.fit-tight .pan-card { padding: 14px 16px; }
.page-enter.fit-tight .pan-gender { margin-bottom: 9px; }
.page-enter.fit-tight .pan-gender__btn { height: 36px; }
.page-enter.fit-tight .pan-input { height: 38px; }
.page-enter.fit-tight .mine-user { padding: 10px 14px; margin-bottom: 10px; }
.page-enter.fit-tight #mineVipBanner { padding: 10px 14px; margin-bottom: 10px; }
.page-enter.fit-tight .mine-page .mine-stat { padding: 10px 14px; margin-bottom: 10px; }
.page-enter.fit-tight .gc-list__item { padding: 9px 12px; margin-bottom: 8px; }
.page-enter.fit-tight .tool-grid { gap: 9px 8px; }
.page-enter.fit-tight .tool-cell { padding: 10px 4px 8px; gap: 6px; }
.page-enter.fit-tight .tool-cell__ico { width: 42px; height: 42px; }
.page-enter.fit-tight .add-archive { height: 46px; }
.page-enter.fit-tight #archiveList { max-height: 196px; }
.page-enter.fit-tight #archiveHistory { max-height: 128px; }
.page-enter.fit-mini .gc-card { padding: 9px 12px; margin-bottom: 7px; }
.page-enter.fit-mini .gc-card__title { margin-bottom: 6px; }
.page-enter.fit-mini .hero { padding: 5px 0 5px; margin-bottom: 7px; }
.page-enter.fit-mini .pan-logo { padding-bottom: 5px; }
.page-enter.fit-mini .pan-logo__ico { width: 28px; height: 28px; }
.page-enter.fit-mini .pan-card { padding: 10px 14px; }
.page-enter.fit-mini .pan-gender { margin-bottom: 7px; }
.page-enter.fit-mini .pan-gender__btn { height: 33px; }
.page-enter.fit-mini .pan-input { height: 34px; }
.page-enter.fit-mini .mine-user { padding: 8px 12px; margin-bottom: 7px; }
.page-enter.fit-mini #mineVipBanner { padding: 8px 12px; margin-bottom: 7px; }
.page-enter.fit-mini .mine-page .mine-stat { padding: 8px 12px; margin-bottom: 7px; }
.page-enter.fit-mini .gc-list__item { padding: 7px 10px; margin-bottom: 6px; }
.page-enter.fit-mini .tool-grid { gap: 7px 8px; }
.page-enter.fit-mini .tool-cell { padding: 7px 4px 6px; gap: 4px; }
.page-enter.fit-mini .tool-cell__ico { width: 34px; height: 34px; }
.page-enter.fit-mini .add-archive { height: 40px; margin-bottom: 7px; }
.page-enter.fit-mini #archiveList { max-height: 150px; margin-bottom: 7px; }
.page-enter.fit-mini #archiveHistory { max-height: 96px; }

@keyframes page-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.app-view.view-scroll {
    overflow-y: auto;
    overscroll-behavior: contain;
    padding-bottom: 28px;
}
.app-view.view-scroll .page-enter { height: auto; min-height: 100%; }

.tool-cell__ico--spin svg { will-change: transform; }

/* ---------------- 底部 Tab Bar（藏蓝玻璃 + 鎏金指示） ---------------- */
.tab-bar {
    position: fixed;
    left: 0; right: 0; bottom: 0;
    max-width: 640px;
    margin: 0 auto;
    height: var(--tabbar-h);
    display: flex;
    background: linear-gradient(180deg, rgba(11,13,20,0.94), rgba(4,5,10,0.98));
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid rgba(217,184,94,0.30);
    box-shadow: 0 -6px 24px rgba(2,3,8,0.55), inset 0 1px 0 rgba(248,237,190,0.14);
    z-index: 30;
    padding-bottom: env(safe-area-inset-bottom);
}
.tab-bar::after {
    content: "";
    position: absolute; inset: 0;
    pointer-events: none;
    background-image: var(--img-banner);
    background-size: cover;
    background-position: center 18%;
    opacity: .10;
    mix-blend-mode: screen;
}
.tab-bar .tab-item { z-index: 1; }
.tab-item {
    flex: 1;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    gap: 3px;
    color: var(--text-faint);
    font-size: var(--fs-xs);
    line-height: var(--lh-none);
    letter-spacing: var(--ls-wide);
    position: relative;
    transition: color .18s ease;
}
.tab-icon { width: 24px; height: 24px; transition: transform .18s ease, filter .18s ease; }
.tab-item.active {
    color: var(--gold-200);
    text-shadow: 0 0 10px rgba(217,184,94,0.55);
}
.tab-item.active::before {
    content: "";
    position: absolute;
    top: 0; left: 50%; transform: translateX(-50%);
    width: 32px; height: 2.5px;
    border-radius: 2px;
    background: linear-gradient(90deg, transparent, var(--gold-200), transparent);
    box-shadow: 0 0 8px rgba(240,220,152,0.8);
}
.tab-item.active .tab-icon { filter: drop-shadow(0 0 6px rgba(217,184,94,0.55)); transform: translateY(-1px) scale(1.12); }

/* ---------------- 子页面全屏弹层 ---------------- */
.overlay {
    position: fixed;
    inset: 0;
    z-index: 50;
    background-color: var(--ink-800);
    background-image: var(--bg-page);
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    transform: translateX(100%);
    transition: transform .3s cubic-bezier(.22,.61,.36,1);
    padding-bottom: 0;
}
.overlay.show { transform: translateX(0); }
.overlay--fixed { overflow: hidden; }
/* 细盘干支表加宽规则（保留） */
.pro-body .gz-table__corner { width: 0; }
.pro-body .gz-table__table th:nth-child(1), .pro-body .gz-table__table th:nth-child(2),
.pro-body .gz-table__table td:nth-child(1), .pro-body .gz-table__table td:nth-child(2) { min-width: 64px; }
/* 弹层星空：静态星点层（CSS 多点）+ 斜贯银河，与主屏深邃星空同源 */
.overlay::before {
    content: "";
    position: fixed; inset: 0; pointer-events: none;
    background:
        radial-gradient(1.4px 1.4px at 12% 18%, rgba(232,238,255,.85), transparent 60%),
        radial-gradient(1px 1px at 28% 62%, rgba(232,204,140,.7), transparent 60%),
        radial-gradient(1.2px 1.2px at 47% 30%, rgba(207,224,255,.8), transparent 60%),
        radial-gradient(1px 1px at 63% 74%, rgba(232,204,140,.55), transparent 60%),
        radial-gradient(1.5px 1.5px at 78% 22%, rgba(222,232,255,.9), transparent 60%),
        radial-gradient(1px 1px at 88% 58%, rgba(207,224,255,.6), transparent 60%),
        radial-gradient(1px 1px at 8% 82%, rgba(207,224,255,.55), transparent 60%),
        radial-gradient(1.3px 1.3px at 36% 88%, rgba(232,238,255,.7), transparent 60%),
        radial-gradient(1px 1px at 72% 90%, rgba(232,204,140,.5), transparent 60%),
        var(--bg-galaxy);
}
.overlay-inner {
    position: relative; z-index: 1;
    max-width: 640px; margin: 0 auto;
    padding: 0 14px 28px;
    animation: page-in .3s ease;
    transform-origin: top center;
    min-height: 100%;
    display: flex; flex-direction: column;
}
.overlay-inner > .sub-nav { flex: none; }
.overlay-inner > .sub-nav + * { margin-top: auto; }
.overlay-inner > :last-child { margin-bottom: auto; }

/* 弹层顶栏：星蓝玻璃 */
.sub-nav {
    position: sticky; top: 0; z-index: 2;
    height: 50px;
    display: flex; align-items: center;
    background: linear-gradient(180deg, rgba(5,7,12,0.96), rgba(11,13,20,0.9));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(217,184,94,0.26);
    margin: 0 -14px 16px;
    padding: 0 12px;
}
.sub-nav__back {
    display: flex; align-items: center;
    color: var(--gold-200); font-size: var(--fs-base); line-height: var(--lh-none); gap: 2px;
    padding: 6px 8px 6px 0;
}
.sub-nav__back svg { width: 20px; height: 20px; }
.sub-nav__title {
    flex: 1; text-align: center;
    font-family: var(--font-display);
    font-size: var(--fs-xl); line-height: var(--lh-none); letter-spacing: var(--ls-title); font-weight: var(--fw-semi);
    background: linear-gradient(180deg, var(--gold-100), var(--gold-300) 60%, var(--gold-500));
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 1px 6px rgba(217,184,94,0.35));
    margin-right: 46px;
}
.sub-nav__close { color: var(--text-sub); display: grid; place-items: center; padding: 6px; }
.sub-nav__close svg { width: 18px; height: 18px; }