/* ==========================================================================
   生日簿 · 样式表
   设计基调：暖纸、墨色、朱砂印。克制的排版，细线分割，不用渐变与毛玻璃。
   ========================================================================== */

/* --------------------------------------------------------------- 设计变量 */
:root {
    --paper: #fbf6ec;
    --paper-2: #f4ecdd;
    --paper-3: #efe5d2;
    --card: #fffdf7;

    --ink: #24211b;
    --ink-2: #5b5445;
    --ink-3: #928975;

    --line: #e5dbc6;
    --line-2: #d2c5a8;

    --accent: #b13a2c;
    --accent-2: #8e2c21;
    --accent-soft: #f2ded3;

    --gold: #a67c34;
    --ok: #4c6b4f;
    --ok-soft: #e3ebdd;
    --warn: #a9761c;
    --warn-soft: #f6e8cd;

    --tone-1-bg: #efe0d4; --tone-1-fg: #8a4a32;
    --tone-2-bg: #e3e7d8; --tone-2-fg: #4e6242;
    --tone-3-bg: #e6e2da; --tone-3-fg: #5a5346;
    --tone-4-bg: #f0e3c8; --tone-4-fg: #8a6624;
    --tone-5-bg: #e2e4ea; --tone-5-fg: #4a5266;
    --tone-6-bg: #efdcdd; --tone-6-fg: #8b4448;

    --font-display: "Songti SC", "STSong", "Noto Serif CJK SC", "Source Han Serif SC",
        "Source Han Serif CN", "SimSun", "Times New Roman", Georgia, serif;
    --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC",
        "Source Han Sans SC", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

    --shell: 1080px;
    --shell-narrow: 760px;
    --radius: 3px;

    --shadow-print: 3px 3px 0 rgba(36, 33, 27, 0.05);
}

@media (prefers-color-scheme: dark) {
    :root {
        --paper: #171512;
        --paper-2: #1e1b16;
        --paper-3: #262119;
        --card: #211e18;

        --ink: #ece3d2;
        --ink-2: #b8ad96;
        --ink-3: #8b8170;

        --line: #332e25;
        --line-2: #453e30;

        --accent: #d9695a;
        --accent-2: #e88a7c;
        --accent-soft: #3a2620;

        --gold: #c69a4e;
        --ok: #8fae8b;
        --ok-soft: #242c22;
        --warn: #d4a44f;
        --warn-soft: #322818;

        --tone-1-bg: #3a2a22; --tone-1-fg: #e0a98d;
        --tone-2-bg: #29301f; --tone-2-fg: #b3c79c;
        --tone-3-bg: #2c2921; --tone-3-fg: #c6bda6;
        --tone-4-bg: #332b18; --tone-4-fg: #dcc084;
        --tone-5-bg: #252a33; --tone-5-fg: #a9b5cd;
        --tone-6-bg: #332326; --tone-6-fg: #dda3a5;

        --shadow-print: 3px 3px 0 rgba(0, 0, 0, 0.25);
    }
}

/* -------------------------------------------------------------------- 基础 */
*, *::before, *::after { box-sizing: border-box; }

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

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.75;
    letter-spacing: 0.01em;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

/* 纸张颗粒：极淡的噪点，铺满整页 */
.paper-grain {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.035;
    mix-blend-mode: multiply;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

@media (prefers-color-scheme: dark) {
    .paper-grain { mix-blend-mode: screen; opacity: 0.05; }
}

.site { position: relative; z-index: 1; }

img, svg { max-width: 100%; }
svg { display: block; }

a {
    color: var(--ink);
    text-decoration: none;
    text-underline-offset: 0.25em;
}
a:hover { color: var(--accent); }

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 600;
    letter-spacing: 0.02em;
    line-height: 1.25;
    margin: 0;
}

p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

code {
    font-family: var(--font-mono);
    font-size: 0.85em;
    background: var(--paper-3);
    border: 1px solid var(--line);
    border-radius: 2px;
    padding: 0.05em 0.35em;
}

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 2px;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--ink);
    color: var(--paper);
    padding: 0.6rem 1rem;
    z-index: 100;
}
.skip-link:focus { left: 0; }

/* ------------------------------------------------------------------ 容器 */
.shell {
    width: 100%;
    max-width: var(--shell);
    margin: 0 auto;
    padding: 0 28px;
}
.shell--narrow { max-width: var(--shell-narrow); }

/* ------------------------------------------------------------------ 页头 */
.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
}
.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    min-height: 68px;
}

.brand { display: flex; align-items: center; gap: 0.7rem; }
.brand:hover { color: var(--ink); }

.brand__seal {
    width: 34px;
    height: 34px;
    flex: none;
    display: grid;
    place-items: center;
    background: var(--accent);
    color: #fff8f0;
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    border-radius: 2px;
    transform: rotate(-2.5deg);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.28);
}

.brand__text { display: flex; flex-direction: column; line-height: 1.2; }
.brand__name {
    font-family: var(--font-display);
    font-size: 1.08rem;
    font-weight: 600;
    letter-spacing: 0.08em;
}
.brand__sub {
    font-size: 0.72rem;
    color: var(--ink-3);
    letter-spacing: 0.06em;
}

.site-nav { display: flex; align-items: center; gap: 0.2rem; }
.site-nav__link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 0.75rem;
    border-radius: var(--radius);
    color: var(--ink-2);
    font-size: 0.92rem;
    border: 1px solid transparent;
    transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.site-nav__link:hover { color: var(--ink); border-color: var(--line); }
.site-nav__link.is-active {
    color: var(--ink);
    border-color: var(--line-2);
    background: var(--card);
}
.site-nav__link--admin { color: var(--accent); }

/* ------------------------------------------------------------------ 主体 */
.site-main { padding: 2.6rem 0 4rem; }
.page-admin--bare .site-main { padding-top: 3.4rem; }

.site-footer {
    border-top: 1px solid var(--line);
    padding: 1.5rem 0 2.4rem;
    color: var(--ink-3);
    font-size: 0.85rem;
}
.site-footer__inner {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}
.site-footer__note { font-family: var(--font-display); letter-spacing: 0.04em; }
.site-footer__links { display: flex; align-items: center; gap: 0.5rem; }
.site-footer__mark { letter-spacing: 0.1em; }
.site-footer .sep { color: var(--line-2); }

/* ------------------------------------------------------------------ 通用 */
.eyebrow {
    font-size: 0.74rem;
    letter-spacing: 0.34em;
    text-transform: uppercase;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 0.5rem;
}
.dot { color: var(--line-2); margin: 0 0.4rem; }

.page-head { margin-bottom: 2rem; }
.page-head--split {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
}
.page-title {
    font-size: clamp(1.7rem, 3.4vw, 2.3rem);
    margin-bottom: 0.5rem;
}
.page-lede { color: var(--ink-2); font-size: 0.95rem; }
.page-lede code { color: var(--ink-2); }

.crumb {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    font-size: 0.82rem;
    color: var(--ink-3);
    margin-bottom: 1.6rem;
}
.crumb .sep { color: var(--line-2); }

/* ------------------------------------------------------------------ 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.42rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--line-2);
    border-radius: var(--radius);
    background: var(--card);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 0.9rem;
    line-height: 1.4;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, color 0.15s, transform 0.1s;
}
.btn:hover { border-color: var(--ink-3); color: var(--ink); }
.btn:active { transform: translateY(1px); }

.btn--primary {
    background: var(--ink);
    border-color: var(--ink);
    color: var(--paper);
}
.btn--primary:hover { background: var(--accent); border-color: var(--accent); color: #fff8f0; }

.btn--accent { background: var(--accent); border-color: var(--accent); color: #fff8f0; }
.btn--accent:hover { background: var(--accent-2); border-color: var(--accent-2); color: #fff8f0; }

.btn--ghost { background: transparent; }
.btn--danger { color: var(--accent); border-color: var(--line-2); }
.btn--danger:hover { background: var(--accent); border-color: var(--accent); color: #fff8f0; }

.btn--icon { padding: 0.45rem; width: 2.2rem; height: 2.2rem; }
.btn--small { padding: 0.3rem 0.65rem; font-size: 0.82rem; }

.link-quiet {
    color: var(--ink-3);
    font-size: 0.85rem;
    border-bottom: 1px solid var(--line-2);
}
.link-quiet:hover { color: var(--accent); border-color: var(--accent); }

/* ------------------------------------------------------------------ 提示条 */
.flash-stack { margin-top: 1.1rem; display: grid; gap: 0.5rem; }
.flash {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.65rem 0.9rem;
    border: 1px solid var(--line-2);
    border-left-width: 3px;
    border-radius: var(--radius);
    background: var(--card);
    font-size: 0.9rem;
}
.flash--success { border-left-color: var(--ok); color: var(--ink); }
.flash--success svg { color: var(--ok); }
.flash--error { border-left-color: var(--accent); }
.flash--error svg { color: var(--accent); }

/* ------------------------------------------------------------------ 首页 */
.hero {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: 3rem;
    align-items: start;
    padding-bottom: 2.4rem;
    border-bottom: 1px solid var(--line);
}

.hero__bigdate {
    font-size: clamp(2.6rem, 6vw, 3.9rem);
    line-height: 1.05;
    letter-spacing: 0.02em;
    display: inline-flex;
    align-items: baseline;
    gap: 0.15rem;
    padding-bottom: 0.5rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 8' preserveAspectRatio='none'%3E%3Cpath d='M1 5.4C30 2.1 62 6.9 98 4.3c34-2.5 68 1.5 101-.9' fill='none' stroke='%23b13a2c' stroke-width='2.2' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: 0 100%;
    background-size: 100% 7px;
}
.hero__num { font-family: var(--font-display); }
.hero__unit {
    font-size: 0.34em;
    letter-spacing: 0.16em;
    color: var(--ink-2);
    margin: 0 0.35em 0 0.05em;
    font-family: var(--font-body);
}
.hero__meta {
    margin-top: 1.1rem;
    font-size: 0.88rem;
    color: var(--ink-2);
    line-height: 1.9;
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    column-gap: 0.5rem;
}
/* 分隔点由 CSS 生成，换行时不会孤零零留在行尾 */
.hero__meta > span, .star__meta > span { white-space: nowrap; }
.hero__meta > span + span::before,
.star__meta > span + span::before {
    content: "·";
    color: var(--line-2);
    margin-right: 0.5rem;
    font-weight: 400;
}
.hero__note {
    margin-top: 1rem;
    font-family: var(--font-display);
    font-size: 0.95rem;
    color: var(--ink-2);
    padding-left: 0.9rem;
    border-left: 2px solid var(--accent-soft);
}

.stage__label {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.78rem;
    letter-spacing: 0.2em;
    color: var(--accent);
    margin-bottom: 0.9rem;
}

.star-stack { display: grid; gap: 0.9rem; }

.star {
    position: relative;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.1rem;
    padding: 1.15rem 1.3rem;
    background: var(--card);
    border: 1px solid var(--line-2);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius);
    box-shadow: var(--shadow-print);
}
.star--compact { padding: 0.85rem 1rem; }


.star__body { min-width: 0; }

.star__top {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1.2rem;
    flex-wrap: wrap;
}

.star__name {
    font-size: 1.5rem;
    line-height: 1.3;
    display: flex;
    align-items: baseline;
    gap: 0.55rem;
    flex-wrap: wrap;
}
.star__age {
    font-family: var(--font-display);
    color: var(--accent);
    display: flex;
    align-items: baseline;
    gap: 0.15rem;
    white-space: nowrap;
}
.star__age-num { font-size: 2rem; line-height: 1.05; }
.star__age-unit { font-size: 0.8rem; font-family: var(--font-body); letter-spacing: 0.1em; }
.star__age-unknown { font-size: 0.95rem; color: var(--ink-3); font-family: var(--font-body); }

.star__meta {
    font-size: 0.85rem;
    color: var(--ink-2);
    margin-top: 0.45rem;
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    column-gap: 0.5rem;
}
.star__note {
    font-size: 0.85rem;
    color: var(--ink-2);
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px dashed var(--line);
}
.star__hint {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.78rem;
    color: var(--ink-3);
    margin-top: 0.5rem;
}

.star__seal {
    font-family: var(--font-display);
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    color: var(--accent);
    border: 1px solid currentColor;
    border-radius: 2px;
    padding: 0 0.3rem;
    line-height: 1.5;
    opacity: 0.85;
    align-self: center;
}

.tone-1 { background: var(--tone-1-bg); color: var(--tone-1-fg); }
.tone-2 { background: var(--tone-2-bg); color: var(--tone-2-fg); }
.tone-3 { background: var(--tone-3-bg); color: var(--tone-3-fg); }
.tone-4 { background: var(--tone-4-bg); color: var(--tone-4-fg); }
.tone-5 { background: var(--tone-5-bg); color: var(--tone-5-fg); }
.tone-6 { background: var(--tone-6-bg); color: var(--tone-6-fg); }

/* 今天没人过生日 */
.quiet {
    border: 1px dashed var(--line-2);
    border-radius: var(--radius);
    padding: 2rem 1.6rem;
    text-align: center;
    background: var(--paper-2);
}
.quiet--inline { border-style: dashed; }
.quiet__art {
    display: flex;
    justify-content: center;
    color: var(--line-2);
    margin-bottom: 0.9rem;
}
.quiet__title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    margin-bottom: 0.35rem;
}
.quiet__sub { font-size: 0.88rem; color: var(--ink-2); }
.quiet__sub b { font-family: var(--font-display); color: var(--accent); font-size: 1.05rem; }

/* 数字条 */
.stat-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-bottom: 1px solid var(--line);
    margin-bottom: 3rem;
}
.stat-strip li {
    padding: 1.2rem 0.5rem;
    text-align: center;
    border-right: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}
.stat-strip li:last-child { border-right: 0; }
.stat-strip b {
    font-family: var(--font-display);
    font-size: 1.7rem;
    font-weight: 600;
    line-height: 1.2;
}
.stat-strip span { font-size: 0.78rem; color: var(--ink-3); letter-spacing: 0.1em; }

/* 区块标题 */
.band { margin-bottom: 3rem; }
.band--results { margin-top: 2.4rem; }
.band__head {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.1rem;
}
.band__title { font-size: 1.12rem; letter-spacing: 0.06em; white-space: nowrap; }
.band__rule { flex: 1; height: 1px; background: var(--line); }
.band__action {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.85rem;
    color: var(--ink-2);
    white-space: nowrap;
}
.band__action:hover { color: var(--accent); }
.band__note { font-size: 0.8rem; color: var(--ink-3); white-space: nowrap; }
.band__empty {
    color: var(--ink-3);
    font-size: 0.9rem;
    padding: 1.4rem 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    text-align: center;
}

/* 账本式列表 */
.ledger { border-top: 1px solid var(--line); }
.ledger__row {
    display: grid;
    grid-template-columns: 4.4rem minmax(0, 1fr) auto;
    gap: 1.1rem;
    align-items: baseline;
    padding: 0.8rem 0.4rem;
    border-bottom: 1px solid var(--line);
    transition: background 0.14s;
}
.ledger__row:hover { background: var(--paper-2); }
.ledger__row.is-today { background: var(--accent-soft); }

.ledger__date {
    display: flex;
    align-items: baseline;
    gap: 0.3rem;
    color: var(--ink-2);
}
.ledger__date:hover { color: var(--accent); }
.ledger__date--blank { display: block; }
.ledger__month { font-size: 0.72rem; letter-spacing: 0.08em; white-space: nowrap; }
.ledger__day { font-family: var(--font-display); font-size: 1.35rem; line-height: 1; }

.ledger__who { display: grid; gap: 0.35rem; min-width: 0; }
.ledger__line { display: flex; align-items: center; gap: 0.55rem; flex-wrap: wrap; min-width: 0; }
.ledger__name {
    font-family: var(--font-display);
    font-size: 1.08rem;
    letter-spacing: 0.03em;
}
.ledger__tags { display: inline-flex; align-items: center; gap: 0.35rem; flex-wrap: wrap; }
.ledger__muted { font-size: 0.76rem; color: var(--ink-3); }
.ledger__note { font-size: 0.82rem; color: var(--ink-3); }

.tag {
    display: inline-flex;
    align-items: center;
    gap: 0.2rem;
    font-size: 0.72rem;
    color: var(--ink-2);
    border: 1px solid var(--line-2);
    border-radius: 2px;
    padding: 0 0.32rem;
    line-height: 1.6;
    white-space: nowrap;
}
.tag--lunar { color: var(--gold); border-color: currentColor; opacity: 0.9; }

.ledger__when {
    display: flex;
    align-items: baseline;
    gap: 0.9rem;
    white-space: nowrap;
    font-size: 0.82rem;
    color: var(--ink-2);
}
.ledger__age { color: var(--ink-3); }
.ledger__age b { font-family: var(--font-display); font-size: 1rem; color: var(--ink-2); }

.countdown { color: var(--ink-2); }
.countdown b { font-family: var(--font-display); font-size: 1rem; color: var(--ink); }
.countdown--today {
    color: var(--accent);
    font-family: var(--font-display);
    letter-spacing: 0.1em;
}
.countdown--past { color: var(--ink-3); }

/* ------------------------------------------------------------------ 搜索 */
.search-form {
    border: 1px solid var(--line-2);
    border-radius: var(--radius);
    background: var(--card);
    padding: 1.1rem;
    margin-bottom: 1.6rem;
}
.search-form__main {
    display: flex;
    align-items: center;
    gap: 0.7rem;
}
.search-form__main > svg { color: var(--ink-3); flex: none; }
.search-form__main input[type="search"] {
    flex: 1;
    min-width: 0;
    border: 0;
    background: transparent;
    font-family: var(--font-body);
    font-size: 1.02rem;
    color: var(--ink);
    padding: 0.35rem 0;
}
.search-form__main input[type="search"]:focus { outline: none; }
.search-form__main input[type="search"]::placeholder { color: var(--ink-3); }

.search-form__more { margin-top: 0.9rem; border-top: 1px solid var(--line); padding-top: 0.7rem; }
.search-form__more > summary {
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--ink-3);
    list-style: none;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}
.search-form__more > summary::-webkit-details-marker { display: none; }
.search-form__more > summary::before {
    content: "＋";
    font-size: 0.9rem;
    color: var(--line-2);
}
.search-form__more[open] > summary::before { content: "－"; }
.search-form__more > summary:hover { color: var(--ink); }

.search-form__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.9rem;
    margin-top: 1rem;
}
.field--action { display: flex; align-items: flex-end; gap: 0.8rem; }

.quick-chips {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-wrap: wrap;
    margin-top: 0.9rem;
    border-top: 1px solid var(--line);
    padding-top: 0.8rem;
}
.quick-chips__label { font-size: 0.76rem; color: var(--ink-3); letter-spacing: 0.16em; }
.chip {
    font-size: 0.8rem;
    border: 1px solid var(--line-2);
    border-radius: 999px;
    padding: 0.05rem 0.65rem;
    color: var(--ink-2);
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.chip:hover { background: var(--accent); border-color: var(--accent); color: #fff8f0; }
.chip:has(input:checked) {
    background: var(--accent-soft);
    border-color: var(--accent);
    color: var(--accent);
    font-weight: 500;
}
.chip input[type="radio"], .chip input[type="checkbox"] { accent-color: var(--accent); }

.hint-line {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.84rem;
    color: var(--ink-3);
    margin-bottom: 0.6rem;
}

/* ------------------------------------------------------------------ 表单 */
.field { display: flex; flex-direction: column; gap: 0.3rem; min-width: 0; }
.field__label {
    font-size: 0.78rem;
    color: var(--ink-2);
    letter-spacing: 0.08em;
}
.field__hint { font-size: 0.76rem; color: var(--ink-3); }
.field__error { font-size: 0.78rem; color: var(--accent); }
.field--check { flex-direction: row; align-items: center; gap: 0.5rem; }

input[type="text"], input[type="password"], input[type="number"],
input[type="search"], select, textarea {
    width: 100%;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--ink);
    background: var(--paper-2);
    border: 1px solid var(--line-2);
    border-radius: var(--radius);
    padding: 0.5rem 0.65rem;
    transition: border-color 0.15s, background 0.15s;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--card);
}
textarea { resize: vertical; min-height: 5rem; line-height: 1.7; }
select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23928975' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.55rem center;
    padding-right: 1.7rem;
}
input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    accent-color: var(--accent);
}
.field--invalid input, .field--invalid select, .field--invalid textarea { border-color: var(--accent); }

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}
.form-row { display: grid; gap: 1rem; margin-bottom: 1rem; }
.form-actions {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-top: 1.6rem;
    padding-top: 1.2rem;
    border-top: 1px solid var(--line);
}

/* ------------------------------------------------------------------ 日历 */
.month-nav { display: flex; align-items: center; gap: 0.5rem; }

.calendar {
    border: 1px solid var(--line-2);
    border-radius: var(--radius);
    background: var(--card);
    overflow: hidden;
    margin-bottom: 3rem;
}
.calendar__head {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    border-bottom: 1px solid var(--line);
    background: var(--paper-2);
}
.calendar__head span {
    text-align: center;
    padding: 0.5rem 0;
    font-size: 0.76rem;
    letter-spacing: 0.16em;
    color: var(--ink-3);
}
.calendar__grid { display: grid; grid-template-columns: repeat(7, 1fr); }
.cal-cell {
    min-height: 5.2rem;
    padding: 0.45rem 0.5rem;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}
.cal-cell:nth-child(7n) { border-right: 0; }
.cal-cell--empty { background: var(--paper-2); }
.cal-cell__day {
    font-family: var(--font-display);
    font-size: 0.95rem;
    color: var(--ink-3);
}
.cal-cell.has-people { background: var(--paper); }
.cal-cell.is-today { background: var(--accent-soft); }
.cal-cell.is-today .cal-cell__day { color: var(--accent); font-weight: 600; }

.cal-cell__list { display: grid; gap: 0.12rem; }
.cal-cell__list a {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.3rem;
    font-size: 0.8rem;
    padding: 0.05rem 0.25rem;
    border-radius: 2px;
    background: var(--card);
    border: 1px solid var(--line);
    color: var(--ink);
}
.cal-cell__list a:hover { border-color: var(--accent); color: var(--accent); }
.cal-cell__age {
    font-family: var(--font-display);
    font-size: 0.72rem;
    color: var(--ink-3);
}
.cal-cell__more { font-size: 0.72rem; color: var(--ink-3); padding-left: 0.25rem; }

/* ------------------------------------------------------------------ 个人页 */
.profile {
    border: 1px solid var(--line-2);
    border-radius: var(--radius);
    background: var(--card);
    box-shadow: var(--shadow-print);
    padding: 2rem;
}
.profile__head {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    padding-bottom: 1.4rem;
    border-bottom: 1px solid var(--line);
}
.profile__name { font-size: clamp(1.6rem, 4vw, 2.1rem); }
.profile__sub { font-size: 0.88rem; color: var(--ink-2); margin-top: 0.2rem; }

.profile__countdown {
    margin: 1.6rem 0;
    padding: 1.2rem 1.3rem;
    border: 1px solid var(--line);
    border-left: 3px solid var(--line-2);
    border-radius: var(--radius);
    background: var(--paper-2);
}
.profile__countdown.is-today {
    border-left-color: var(--accent);
    background: var(--accent-soft);
}
.profile__count-label {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.78rem;
    letter-spacing: 0.2em;
    color: var(--ink-2);
    margin-bottom: 0.35rem;
}
.profile__countdown.is-today .profile__count-label { color: var(--accent); }
.profile__count-big {
    font-family: var(--font-display);
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
}
.profile__count-big .num { font-size: 3.1rem; line-height: 1.05; }
.profile__count-big .unit { font-size: 0.95rem; font-family: var(--font-body); letter-spacing: 0.16em; color: var(--ink-2); }
.profile__count-sub { font-size: 0.86rem; color: var(--ink-2); margin-top: 0.3rem; }
.profile__count-hint {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.78rem;
    color: var(--ink-3);
    margin-top: 0.5rem;
}

.facts { display: grid; gap: 0; }
.facts__row {
    display: grid;
    grid-template-columns: 8rem minmax(0, 1fr);
    gap: 1rem;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--line);
    align-items: baseline;
}
.facts dt { font-size: 0.8rem; color: var(--ink-3); letter-spacing: 0.08em; }
.facts dd { margin: 0; font-size: 0.95rem; }

.profile__note {
    margin-top: 1.4rem;
    padding: 1rem 1.1rem;
    background: var(--paper-2);
    border-radius: var(--radius);
    border: 1px solid var(--line);
}
.profile__note-label { font-size: 0.76rem; color: var(--ink-3); letter-spacing: 0.16em; margin-bottom: 0.3rem; }
.profile__note-text { font-size: 0.94rem; color: var(--ink-2); }

.profile__actions {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    margin-top: 1.6rem;
    padding-top: 1.2rem;
    border-top: 1px solid var(--line);
}

/* ------------------------------------------------------------------ 错误页 */
.errorpage {
    text-align: center;
    padding: 3.5rem 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--card);
}
.errorpage__code {
    font-family: var(--font-display);
    font-size: 4.2rem;
    line-height: 1;
    color: var(--accent);
    opacity: 0.9;
}
.errorpage__title { font-size: 1.35rem; margin: 0.6rem 0 0.4rem; }
.errorpage__sub { color: var(--ink-2); font-size: 0.92rem; }
.errorpage__actions { display: flex; gap: 0.7rem; justify-content: center; margin-top: 1.6rem; }

/* ------------------------------------------------------------------ 后台 */
.admin-nav {
    display: flex;
    align-items: center;
    gap: 0.15rem;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--line);
    margin-bottom: 2rem;
    padding-bottom: 0.5rem;
}
.admin-nav__link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 0.8rem;
    font-size: 0.9rem;
    color: var(--ink-2);
    border-radius: var(--radius);
    border-bottom: 2px solid transparent;
}
.admin-nav__link:hover { color: var(--ink); background: var(--paper-2); }
.admin-nav__link.is-active { color: var(--ink); border-bottom-color: var(--accent); }
.admin-nav__spacer { flex: 1; }
.admin-nav form { display: inline; }

.panel {
    border: 1px solid var(--line-2);
    border-radius: var(--radius);
    background: var(--card);
    margin-bottom: 1.6rem;
    overflow: hidden;
}
.panel__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem 1.1rem;
    border-bottom: 1px solid var(--line);
    background: var(--paper-2);
    flex-wrap: wrap;
}
.panel__title {
    font-size: 0.98rem;
    letter-spacing: 0.08em;
    display: flex;
    align-items: center;
    gap: 0.45rem;
}
.panel__body { padding: 1.1rem; }
.panel__foot {
    padding: 0.9rem 1.1rem;
    border-top: 1px solid var(--line);
    background: var(--paper-2);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.admin-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.6rem;
    padding-bottom: 1.2rem;
    border-bottom: 1px solid var(--line);
}
.admin-head__title { font-size: 1.5rem; }
.admin-head__sub { font-size: 0.88rem; color: var(--ink-2); margin-top: 0.25rem; }
.admin-head__actions { display: flex; gap: 0.6rem; flex-wrap: wrap; }

.mini-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 0.9rem;
    margin-bottom: 1.8rem;
}
.mini-stat {
    border: 1px solid var(--line-2);
    border-radius: var(--radius);
    background: var(--card);
    padding: 0.9rem 1rem;
}
.mini-stat__label { font-size: 0.76rem; color: var(--ink-3); letter-spacing: 0.12em; }
.mini-stat__value { font-family: var(--font-display); font-size: 1.7rem; line-height: 1.3; }
.mini-stat__hint { font-size: 0.76rem; color: var(--ink-3); }

.filter-bar {
    display: flex;
    align-items: flex-end;
    gap: 0.75rem;
    flex-wrap: wrap;
}
.filter-bar .field { min-width: 130px; }
.filter-bar__search { flex: 1 1 200px; }

.data-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.data-table th {
    text-align: left;
    font-weight: 500;
    font-size: 0.76rem;
    letter-spacing: 0.12em;
    color: var(--ink-3);
    padding: 0.65rem 0.8rem;
    border-bottom: 1px solid var(--line-2);
    white-space: nowrap;
}
.data-table td {
    padding: 0.7rem 0.8rem;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
}
.data-table tr:hover td { background: var(--paper-2); }
.data-table .col-actions { text-align: right; white-space: nowrap; }
.data-table .nowrap { white-space: nowrap; }
.data-table .cell-name { font-family: var(--font-display); font-size: 1.02rem; white-space: nowrap; }
.cell-person { display: inline-flex; align-items: center; gap: 0.5rem; }
.data-table .cell-muted { color: var(--ink-3); font-size: 0.82rem; }
.table-wrap { overflow-x: auto; }

.inline-form { display: inline; }

.empty-note {
    text-align: center;
    color: var(--ink-3);
    font-size: 0.9rem;
    padding: 2.4rem 1rem;
}

.pagination {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    justify-content: center;
    margin-top: 1.6rem;
    font-size: 0.85rem;
    color: var(--ink-3);
}
.pagination a, .pagination span {
    padding: 0.25rem 0.6rem;
    border: 1px solid var(--line-2);
    border-radius: var(--radius);
}
.pagination .is-current { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* 登录 / 初始化 */
.auth-card {
    max-width: 420px;
    margin: 0 auto;
    border: 1px solid var(--line-2);
    border-radius: var(--radius);
    background: var(--card);
    box-shadow: var(--shadow-print);
    padding: 2.2rem;
}
.auth-card__brand {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    margin-bottom: 1.6rem;
    padding-bottom: 1.2rem;
    border-bottom: 1px solid var(--line);
}
.auth-card__title { font-size: 1.3rem; }
.auth-card__sub { font-size: 0.85rem; color: var(--ink-2); }
.auth-card form { display: grid; gap: 1rem; }
.auth-card .btn { width: 100%; }
.auth-card__foot {
    margin-top: 1.4rem;
    padding-top: 1rem;
    border-top: 1px solid var(--line);
    font-size: 0.8rem;
    color: var(--ink-3);
    text-align: center;
}

.notice {
    border: 1px solid var(--line-2);
    border-left: 3px solid var(--gold);
    border-radius: var(--radius);
    background: var(--paper-2);
    padding: 0.8rem 1rem;
    font-size: 0.86rem;
    color: var(--ink-2);
    margin-bottom: 1.2rem;
}
.notice--warn { border-left-color: var(--accent); }

.error-list {
    margin: 0;
    padding-left: 1.2rem;
    list-style: disc;
    font-size: 0.84rem;
    color: var(--ink-2);
}
.error-list li { margin-bottom: 0.2rem; }

.code-block {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.7;
    background: var(--paper-3);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 0.9rem 1rem;
    overflow-x: auto;
    white-space: pre;
    color: var(--ink-2);
}

/* ------------------------------------------------------------ 首次使用引导 */
.onboard {
    border: 1px solid var(--line-2);
    border-radius: var(--radius);
    background: var(--card);
    box-shadow: var(--shadow-print);
    padding: 2rem 2.2rem;
    margin-bottom: 3rem;
}
.onboard__title { font-size: 1.3rem; margin-bottom: 0.6rem; }
.onboard__lede {
    color: var(--ink-2);
    font-size: 0.94rem;
    max-width: 52ch;
    line-height: 1.9;
}
.onboard__actions { display: flex; gap: 0.7rem; flex-wrap: wrap; margin-top: 1.4rem; }
.onboard__steps {
    margin-top: 1.8rem;
    padding-top: 1.4rem;
    border-top: 1px solid var(--line);
    display: grid;
    gap: 0.7rem;
}
.onboard__steps li {
    display: flex;
    align-items: baseline;
    gap: 0.7rem;
    font-size: 0.92rem;
    color: var(--ink-2);
}
.onboard__num {
    flex: none;
    width: 1.5rem;
    height: 1.5rem;
    display: grid;
    place-items: center;
    border: 1px solid var(--accent);
    color: var(--accent);
    border-radius: 2px;
    font-family: var(--font-display);
    font-size: 0.78rem;
    transform: translateY(0.15rem);
}

/* ------------------------------------------------------------------ 头像 */
.avatar {
    flex: none;
    display: grid;
    place-items: center;
    border-radius: 2px;
    overflow: hidden;
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1;
    user-select: none;
}
.avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }
.avatar:hover { color: inherit; }
.avatar--photo { background: var(--paper-3); }
.avatar--sm { width: 34px; height: 34px; font-size: 1rem; }
.avatar--md { width: 48px; height: 48px; font-size: 1.35rem; }
.avatar--lg { width: 64px; height: 64px; font-size: 1.8rem; }
.avatar--xl { width: 96px; height: 96px; font-size: 2.5rem; }

/* ------------------------------------------------- 列表里的一句「总结（感受）」 */
.ledger__quote {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    flex-wrap: wrap;
    padding-left: 0.7rem;
    border-left: 2px solid var(--accent-soft);
    font-family: var(--font-display);
    font-size: 0.86rem;
    color: var(--ink-2);
    line-height: 1.7;
}
.ledger__quote-text { min-width: 0; }
.ledger__quote-credit {
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--ink-3);
    white-space: nowrap;
}
.ledger__quote-more {
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--accent);
    white-space: nowrap;
}

/* ------------------------------------------------------- 个人页：感言时间线 */
.timeline { position: relative; display: grid; gap: 1.3rem; padding-left: 1.5rem; }
.timeline::before {
    content: "";
    position: absolute;
    left: 4px;
    top: 0.6rem;
    bottom: 0.6rem;
    width: 1px;
    background: var(--line);
}
.timeline__item { position: relative; }
.timeline__item::before {
    content: "";
    position: absolute;
    left: -1.5rem;
    top: 0.6rem;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--card);
    border: 1px solid var(--line-2);
}
.timeline__item--latest::before { background: var(--accent); border-color: var(--accent); }
.timeline__meta { display: flex; align-items: baseline; gap: 0.55rem; flex-wrap: wrap; margin-bottom: 0.3rem; }
.timeline__date { font-family: var(--font-display); font-size: 0.95rem; }
.timeline__author {
    font-size: 0.74rem;
    color: var(--ink-3);
    border: 1px solid var(--line-2);
    border-radius: 2px;
    padding: 0 0.3rem;
    line-height: 1.6;
}
.timeline__text { font-size: 0.95rem; color: var(--ink-2); line-height: 1.95; white-space: pre-wrap; }

/* --------------------------------------------------- 后台：头像与感言编辑 */
.avatar-editor { display: flex; align-items: center; gap: 1.3rem; flex-wrap: wrap; }
.avatar-editor__preview { flex: none; }
.avatar-editor__body { flex: 1; min-width: 240px; }
.avatar-editor__form {
    display: flex;
    align-items: flex-end;
    gap: 0.8rem;
    flex-wrap: wrap;
    margin-top: 0.7rem;
}
.avatar-editor input[type="file"] {
    font-size: 0.88rem;
    color: var(--ink-2);
    max-width: 100%;
}

.msg-list { display: grid; gap: 0.9rem; }
.msg {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--paper-2);
    padding: 0.85rem 1rem;
}
.msg__head { display: flex; align-items: baseline; gap: 0.55rem; flex-wrap: wrap; margin-bottom: 0.35rem; }
.msg__date { font-family: var(--font-display); font-size: 0.94rem; }
.msg__author {
    font-size: 0.74rem;
    color: var(--ink-3);
    border: 1px solid var(--line-2);
    border-radius: 2px;
    padding: 0 0.3rem;
    line-height: 1.6;
}
.msg__content { font-size: 0.92rem; color: var(--ink-2); line-height: 1.85; white-space: pre-wrap; }
.msg__actions { display: flex; align-items: center; gap: 0.5rem; margin-top: 0.65rem; flex-wrap: wrap; }
.msg__edit > summary { list-style: none; }
.msg__edit > summary::-webkit-details-marker { display: none; }
.msg__form {
    margin-top: 0.8rem;
    padding-top: 0.8rem;
    border-top: 1px dashed var(--line);
    display: grid;
    gap: 0.8rem;
}

/* ------------------------------------------------------------------ 响应式 */
@media (max-width: 900px) {
    .hero { grid-template-columns: 1fr; gap: 2rem; }
    .stat-strip { grid-template-columns: repeat(2, 1fr); }
    .stat-strip li:nth-child(2) { border-right: 0; }
    .stat-strip li:nth-child(1), .stat-strip li:nth-child(2) { border-bottom: 1px solid var(--line); }
}

@media (max-width: 720px) {
    body { font-size: 15px; }
    .shell { padding: 0 18px; }
    .site-header__inner { min-height: 60px; }
    .brand__sub { display: none; }
    .site-nav__link span { display: none; }
    .site-nav__link { padding: 0.45rem 0.55rem; }
    .site-nav__link--admin span { display: inline; }

    .site-main { padding: 1.8rem 0 3rem; }
    .hero { padding-bottom: 1.8rem; }
    .star { grid-template-columns: auto 1fr; padding: 1rem; }

    .ledger__row {
        grid-template-columns: 3.4rem minmax(0, 1fr);
        gap: 0.8rem;
        row-gap: 0.3rem;
    }
    .ledger__when { grid-column: 2; justify-content: flex-start; gap: 0.8rem; }
    .ledger__day { font-size: 1.15rem; }

    .cal-cell { min-height: 4.4rem; padding: 0.3rem; }
    .cal-cell__list a { font-size: 0.72rem; }
    .cal-cell__age { display: none; }

    .profile { padding: 1.3rem; }
    .facts__row { grid-template-columns: 6rem minmax(0, 1fr); gap: 0.6rem; }
    .admin-head { align-items: flex-start; }
}

@media (max-width: 460px) {
    .calendar__head span { letter-spacing: 0; font-size: 0.7rem; }
    .cal-cell__list a { padding: 0.05rem 0.15rem; }
    .stat-strip b { font-size: 1.4rem; }
}

/* ------------------------------------------------------- 动效与无障碍偏好 */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
}

@media print {
    .site-header, .site-footer, .site-nav, .band__action, .search-form { display: none; }
    body { background: #fff; color: #000; }
    .paper-grain { display: none; }
}