/**
 * gallery.css —— 青莲诗集页：宣纸雅集 · 水墨浏览
 */

body {
    min-height: 100vh;
    background:
        var(--mountains-ink),
        linear-gradient(180deg, #fbf7ec 0%, var(--paper) 42%, var(--paper-2) 100%);
    background-size: cover, cover;
    background-repeat: no-repeat, no-repeat;
    background-position: bottom center, center;
}

.gallery-hero { padding-bottom: 3rem; }
.gallery-hero h1 { letter-spacing: 14px; }
.gallery-hero .sub { color: var(--ink-soft); }

/* ---------- 工具区 ---------- */
.gallery-tools {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem 1.2rem;
    display: flex;
    align-items: center;
    gap: 1.2rem;
    flex-wrap: wrap;
}
.search-box {
    position: relative;
    flex: 1 1 260px;
    max-width: 420px;
}
.search-mark {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--font-display);
    color: var(--cinnabar);
    font-size: 1.05rem;
    pointer-events: none;
}
.search-box input {
    width: 100%;
    padding: 0.55rem 1rem 0.55rem 2.6rem;
    font-family: var(--font-serif);
    font-size: 1rem;
    letter-spacing: 1px;
    color: var(--ink);
    background: rgba(255, 253, 246, 0.85);
    border: 1px solid rgba(63, 107, 53, 0.45);
    border-radius: 999px;
    outline: none;
    transition: border-color 0.3s, box-shadow 0.3s;
}
.search-box input:focus {
    border-color: var(--cinnabar);
    box-shadow: 0 0 0 3px rgba(176, 58, 46, 0.12);
}
.chips { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.tool-right { margin-left: auto; display: flex; align-items: center; gap: 0.8rem; }
.gallery-count { color: var(--ink-soft); font-size: 0.9rem; letter-spacing: 2px; }

/* ---------- 诗卡网格 ---------- */
.gallery-grid {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1rem 1.5rem 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.3rem;
}

.poem-card {
    position: relative;
    background:
        var(--grain-light),
        linear-gradient(170deg, #fffdf6, #f2ead6);
    border: 1px solid rgba(154, 138, 109, 0.45);
    border-radius: 8px;
    padding: 1.2rem 1.2rem 1.4rem;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(31, 26, 23, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    animation: inkFadeUp 0.6s ease both;
    overflow: hidden;
}
.poem-card:hover {
    transform: translateY(-5px) rotate(-0.4deg);
    box-shadow: 0 12px 26px rgba(31, 26, 23, 0.18), 0 0 0 1px rgba(176, 58, 46, 0.35);
}
.poem-card::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--bamboo), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}
.poem-card:hover::after { opacity: 1; }

/* 分类色线（顶边细线，随分类染色） */
.card-accent {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    border-radius: 8px 8px 0 0;
    opacity: 0.85;
}

.card-top {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}
.card-title {
    font-family: var(--font-display);
    font-size: 1.35rem;
    letter-spacing: 2px;
    color: var(--ink);
    flex: 1;
}
.card-cat {
    font-size: 0.78rem;
    color: var(--bamboo-dark);
    border: 1px solid rgba(63, 107, 53, 0.5);
    border-radius: 999px;
    padding: 0.02rem 0.55rem;
    white-space: nowrap;
}
.card-fav {
    font-size: 1.05rem;
    color: #c9a86a;
    cursor: pointer;
    transition: transform 0.25s;
    line-height: 1;
}
.card-fav:hover { transform: scale(1.25); }
.card-fav.on { color: var(--cinnabar); }

.card-first {
    margin-top: 0.7rem;
    font-size: 0.98rem;
    line-height: 1.9;
    color: var(--ink-2);
    letter-spacing: 1px;
    /* 首行缩进两字 */
    text-indent: 2em;
    min-height: 3.8em;
}
.card-first::before {
    content: '〄 ';
    color: rgba(176, 58, 46, 0.55);
    font-size: 0.9em;
}

.card-meta {
    margin-top: 0.8rem;
    padding-top: 0.6rem;
    border-top: 1px dashed rgba(154, 138, 109, 0.5);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.82rem;
    color: var(--ink-soft);
    letter-spacing: 1px;
}
.card-seal {
    font-family: var(--font-display);
    color: var(--cinnabar);
    transform: rotate(-8deg);
    border: 1px solid rgba(176, 58, 46, 0.7);
    padding: 0 0.4rem;
    border-radius: 2px;
    font-size: 0.8rem;
}

/* 空态 */
.empty-tip { text-align: center; padding: 4rem 1rem 5rem; color: var(--ink-soft); }
.empty-tip p { font-size: 1.4rem; letter-spacing: 3px; font-family: var(--font-display); }
.empty-tip .empty-sub { margin-top: 0.6rem; font-size: 0.95rem; letter-spacing: 2px; }

/* ---------- 阅读浮层 ---------- */
.reader-mask {
    position: fixed;
    inset: 0;
    z-index: 300;
    background: rgba(8, 12, 22, 0.72);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: maskIn 0.35s ease both;
    padding: 1rem;
}
@keyframes maskIn { from { opacity: 0; } to { opacity: 1; } }

.reader {
    position: relative;
    width: min(94vw, 860px);
    max-height: 92vh;
    overflow-y: auto;
    background:
        var(--grain-light),
        linear-gradient(165deg, #fdfaf0, #f0e7d1);
    border: 1px solid rgba(154, 138, 109, 0.6);
    border-radius: 8px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
    padding: 2rem 2.2rem 2.4rem;
    animation: readerIn 0.4s cubic-bezier(0.2, 0.9, 0.3, 1.2) both;
}
@keyframes readerIn {
    from { opacity: 0; transform: translateY(30px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.reader-close {
    position: absolute;
    top: 0.8rem;
    right: 1rem;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--ink-soft);
    background: transparent;
    color: var(--ink-2);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.25s;
    z-index: 5;
}
.reader-close:hover { background: var(--cinnabar); color: #fff; border-color: var(--cinnabar); transform: rotate(90deg); }

.reader-head { text-align: center; margin-bottom: 1rem; }
.reader-title { font-family: var(--font-display); font-size: 2rem; letter-spacing: 6px; color: var(--ink); }
.reader-meta { margin-top: 0.4rem; font-size: 0.95rem; color: var(--ink-soft); letter-spacing: 2px; }
.reader-meta .cat {
    display: inline-block;
    color: var(--cinnabar);
    border: 1px solid rgba(176, 58, 46, 0.6);
    border-radius: 999px;
    padding: 0 0.6rem;
    font-size: 0.82rem;
    margin-right: 6px;
}

.reader-body { display: flex; justify-content: center; }
/* 竖排右读：vertical-rl 下 flex 轴反转，column = 水平主轴（从右到左换列） */
.reader-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    writing-mode: vertical-rl;
    text-orientation: upright;
    width: 100%;
    padding: 0.5rem 0.3rem 0.4rem;
}
.reader-content .r-line { margin-left: clamp(8px, 1.6vw, 22px); flex: none; }
.reader-content .r-line:first-child { margin-left: 0; }
.reader-content .r-line {
    font-size: clamp(17px, 2.3vw, 28px);
    line-height: 1.5;
    letter-spacing: 2px;
    color: var(--ink);
    white-space: nowrap;
    animation: inkFadeUp 0.6s ease both;
}
/* 逐字墨现 */
.reader-content .r-line .ch {
    opacity: 0;
    animation: charIn 0.35s ease forwards;
}
@keyframes charIn {
    to { opacity: 1; }
}

.reader-note, .reader-trans {
    margin: 1.1rem auto 0;
    max-width: 92%;
    text-align: center;
    font-size: 0.95rem;
    line-height: 1.9;
    color: var(--ink-2);
    letter-spacing: 1px;
    padding-top: 0.9rem;
    border-top: 1px dashed rgba(154, 138, 109, 0.5);
}
.reader-note::before { content: '〔题解〕'; color: var(--cinnabar); margin-right: 4px; }
.reader-trans::before { content: '〔白话〕'; color: var(--cinnabar); margin-right: 4px; }

.reader-seal {
    position: absolute;
    right: 26px;
    bottom: 92px;
    width: 46px;
    height: 46px;
    font-size: 1rem;
    opacity: 0.9;
}

.reader-tools {
    margin-top: 1.4rem;
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    flex-wrap: wrap;
}

/* 响应式 */
@media (max-width: 640px) {
    .gallery-tools { padding: 0 1rem 1rem; gap: 0.8rem; }
    .tool-right { margin-left: 0; width: 100%; justify-content: space-between; }
    .reader { padding: 1.4rem 1rem 1.6rem; }
    .reader-title { font-size: 1.5rem; letter-spacing: 3px; }
    .reader-content .r-line { font-size: clamp(14px, 2.6vw, 20px); }
    .reader-seal { right: 14px; bottom: 84px; width: 38px; height: 38px; font-size: 0.85rem; }
}