/* ============================================================
   大厅（多游戏入口）样式
   调色板（与 settings.css 一致并扩展）：
     - 墨 ink:        #1a1d24   主文字
     - 朱砂 cinnabar: #c43d2a   主操作 / 当前可用
     - 古铜 bronze:   #a87b3e   次要强调
     - 玉 jade:       #4d7a5a   「即将上线」标记
     - 宣纸 paper:    #f7f3ec → #ece4d3  背景渐变
     - 纸面 surface:  #fffdf7
   字体：Noto Serif SC（标题，古典汉字）/ Noto Sans SC（正文）
   签名：卡片左侧"书脊"竖排汉字 + 标题下方一道墨线
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700&family=Noto+Serif+SC:wght@500;700;900&display=swap');

:root {
    --ink: #1a1d24;
    --ink-soft: #4a4f5c;
    --cinnabar: #c43d2a;
    --cinnabar-deep: #9c2d1e;
    --bronze: #a87b3e;
    --jade: #4d7a5a;
    --paper: #f7f3ec;
    --paper-deep: #ece4d3;
    --surface: #fffdf7;
    --hairline: rgba(26, 29, 36, 0.12);
    --serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'STSong', Georgia, serif;
    --sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
}

/* ---------- 顶栏（未登录态） ---------- */
.topbar-auth {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 253, 247, 0.85);
    padding: 4px;
    border-radius: 999px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.topbar-link {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    border-radius: 999px;
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--ink);
    text-decoration: none;
    font-family: var(--sans);
    transition: background 0.15s ease, color 0.15s ease;
}

.topbar-link:hover {
    background: var(--paper-deep);
}

.topbar-link.ghost {
    color: var(--cinnabar);
}

.topbar-link.ghost:hover {
    background: rgba(196, 61, 42, 0.08);
}

.topbar-link:focus-visible {
    outline: 2px solid var(--cinnabar);
    outline-offset: 2px;
}

/* ---------- 页面骨架 ---------- */
.lobby-page {
    background:
        radial-gradient(ellipse at 20% 0%, rgba(196, 61, 42, 0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 100%, rgba(168, 123, 62, 0.05) 0%, transparent 50%),
        linear-gradient(160deg, var(--paper) 0%, var(--paper-deep) 100%);
    min-height: 100vh;
    padding: 0 24px 80px;
    font-family: var(--sans);
}

.lobby-inner {
    max-width: 1080px;
    margin: 0 auto;
    padding-top: 96px;
}

/* ---------- 标题 ---------- */
.lobby-title {
    text-align: center;
    margin-bottom: 12px;
}

.lobby-title .eyebrow {
    font-family: var(--sans);
    font-size: 0.78rem;
    letter-spacing: 6px;
    text-transform: uppercase;
    color: var(--ink-soft);
    margin-bottom: 14px;
}

.lobby-title h1 {
    font-family: var(--serif);
    font-weight: 900;
    font-size: 2.4rem;
    color: var(--ink);
    letter-spacing: 4px;
    margin: 0 0 10px;
    line-height: 1.2;
}

.lobby-title h1 .accent {
    color: var(--cinnabar);
    margin: 0 6px;
}

.lobby-title .ink-rule {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin: 14px auto 0;
    color: var(--ink-soft);
}

.lobby-title .ink-rule::before,
.lobby-title .ink-rule::after {
    content: '';
    flex: 0 0 60px;
    height: 1px;
    background: var(--ink-soft);
    opacity: 0.4;
}

.lobby-title .tagline {
    font-family: var(--serif);
    font-size: 1rem;
    color: var(--ink-soft);
    letter-spacing: 2px;
    margin-top: 16px;
}

/* ---------- 卡片网格 ---------- */
.game-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

/* ---------- 单卡 ---------- */
.game-card {
    position: relative;
    background: var(--surface);
    border-radius: 4px; /* 接近传统宣纸卡的轻微圆角 */
    padding: 0;
    box-shadow:
        0 1px 0 var(--hairline),
        0 12px 28px rgba(26, 29, 36, 0.08);
    border: 1px solid var(--hairline);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 340px;
    transition: transform 0.22s ease, box-shadow 0.22s ease;
    animation: card-in 0.45s ease both;
}

.game-card:nth-child(1) { animation-delay: 0.05s; }
.game-card:nth-child(2) { animation-delay: 0.13s; }
.game-card:nth-child(3) { animation-delay: 0.21s; }
.game-card:nth-child(4) { animation-delay: 0.29s; }

@keyframes card-in {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: translateY(0); }
}

.game-card:hover {
    transform: translateY(-4px);
    box-shadow:
        0 1px 0 var(--hairline),
        0 22px 44px rgba(26, 29, 36, 0.14);
}

/* 卡片左侧"书脊"竖排汉字 */
.game-card .spine {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 56px;
    background: linear-gradient(180deg, var(--ink) 0%, #2a2e36 100%);
    color: var(--paper);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 24px 0;
    user-select: none;
}

.game-card .spine .spine-title {
    writing-mode: vertical-rl;
    text-orientation: upright;
    font-family: var(--serif);
    font-weight: 700;
    font-size: 1.55rem;
    letter-spacing: 10px;
    /* 让字符底端对齐（视觉上是"上→下"排列） */
    text-align: center;
}

.game-card .spine .spine-meta {
    font-family: var(--sans);
    font-weight: 400;
    font-size: 0.62rem;
    letter-spacing: 3px;
    color: rgba(247, 243, 236, 0.55);
    writing-mode: horizontal-tb;
    text-align: center;
}

.game-card .body {
    margin-left: 56px;
    padding: 24px 24px 22px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.game-card .row-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 6px;
}

.game-card .pinyin {
    font-family: var(--sans);
    font-size: 0.72rem;
    color: var(--ink-soft);
    letter-spacing: 3px;
    text-transform: uppercase;
}

.game-card .badge {
    font-family: var(--sans);
    font-size: 0.7rem;
    padding: 3px 10px;
    border-radius: 999px;
    font-weight: 500;
    letter-spacing: 1px;
    white-space: nowrap;
}

.game-card .badge.live {
    background: rgba(196, 61, 42, 0.1);
    color: var(--cinnabar);
}

.game-card .badge.soon {
    background: rgba(77, 122, 90, 0.12);
    color: var(--jade);
}

.game-card h2 {
    font-family: var(--serif);
    font-weight: 700;
    font-size: 1.55rem;
    color: var(--ink);
    margin: 0 0 10px;
    letter-spacing: 2px;
}

.game-card .desc {
    font-family: var(--sans);
    color: var(--ink-soft);
    font-size: 0.92rem;
    line-height: 1.55;
    flex: 1;
    margin-bottom: 18px;
}

.game-card .meta {
    display: flex;
    gap: 14px;
    font-family: var(--sans);
    font-size: 0.78rem;
    color: var(--ink-soft);
    margin-bottom: 16px;
    padding-top: 12px;
    border-top: 1px dashed var(--hairline);
}

.game-card .meta span::before {
    content: '·';
    margin-right: 14px;
    color: var(--bronze);
    opacity: 0.6;
}

.game-card .meta span:first-child::before { content: ''; margin: 0; }

.game-card .enter {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--serif);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 2px;
    padding: 10px 0;
    color: var(--cinnabar);
    text-decoration: none;
    border-bottom: 2px solid var(--cinnabar);
    transition: gap 0.18s ease, color 0.18s ease;
}

.game-card .enter:hover {
    gap: 14px;
}

.game-card .enter[aria-disabled="true"] {
    color: var(--ink-soft);
    border-bottom-color: var(--ink-soft);
    cursor: not-allowed;
    pointer-events: none;
}

.game-card .enter .arrow {
    font-family: var(--sans);
    font-weight: 400;
}

/* 已登录态：欢迎词在右上角 */
.greeting strong { color: var(--cinnabar); }

/* ---------- 装饰性底部 ---------- */
.lobby-footer {
    margin-top: 64px;
    text-align: center;
    color: var(--ink-soft);
    font-family: var(--serif);
    font-size: 0.85rem;
    letter-spacing: 4px;
    opacity: 0.7;
}

.lobby-footer .seal {
    display: inline-block;
    border: 1px solid var(--cinnabar);
    color: var(--cinnabar);
    padding: 2px 8px;
    margin: 0 8px;
    border-radius: 2px;
    font-weight: 700;
}

/* ---------- 响应式 ---------- */
@media (max-width: 880px) {
    .game-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
    .lobby-title h1 { font-size: 2rem; letter-spacing: 3px; }
}

@media (max-width: 560px) {
    .lobby-page { padding: 0 16px 60px; }
    .lobby-inner { padding-top: 80px; }
    .game-grid { grid-template-columns: 1fr; }
    .game-card { min-height: 300px; }
    .game-card .spine { width: 44px; font-size: 1.4rem; letter-spacing: 6px; }
    .game-card .body { margin-left: 44px; padding: 20px 18px; }
    .game-card h2 { font-size: 1.35rem; }
    .lobby-title h1 { font-size: 1.7rem; letter-spacing: 2px; }
    .topbar { top: 10px; right: 10px; }
    .topbar-link { padding: 6px 12px; font-size: 0.85rem; }
}

/* ---------- 减少动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
    .game-card { animation: none; }
    .game-card:hover { transform: none; }
}