/* ═══════════════════════════════════════════
   AI三千问 · 首页 — 白色极简风
   ═══════════════════════════════════════════ */

:root {
  --bg: #faf8f5;
  --bg-card: #ffffff;
  --bg-hover: #f5f2ec;
  --border: #e8e3d8;
  --border-active: #d4c9b0;
  --accent: #b8960a;
  --accent-dim: #9a8b7a;
  --accent-faint: #f5f5f5;
  --text: #1a1a1a;
  --text-dim: #777777;
  --text-muted: #aaaaaa;
  --radius: 12px;
  --radius-md: 14px;
  --shadow-card: 0 1px 4px rgba(0,0,0,0.06), 0 2px 8px rgba(0,0,0,0.04);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html, body {
  background: var(--bg); color: var(--text);
  font-family: "Noto Sans SC", -apple-system, sans-serif;
  min-height: 100vh; line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ===== Layout ===== */
.home-wrapper {
  max-width: 680px; margin: 0 auto; padding: 1.5rem 1.2rem 5rem;
}

/* ===== Header ===== */
.home-header { text-align: center; padding: 2rem 0 1.5rem; }

.home-title {
  font-family: "Noto Serif SC", "Source Han Serif SC", serif;
  font-size: 1.8rem; font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--text);
  margin-bottom: 0.2rem;
}

.home-sub {
  font-size: 0.78rem; color: var(--text-muted); letter-spacing: 0.12em;
}

.home-rule {
  width: 5rem; height: 1.5px;
  background: linear-gradient(90deg, transparent 0%, var(--accent) 30%, var(--accent) 70%, transparent 100%);
  margin: 0.65rem auto 0;
}

/* ===== Sections ===== */
.home-section { margin: 2rem 0; }

.section-head {
  display: flex; align-items: baseline; gap: 0.8rem;
  margin-bottom: 0.5rem;
}

.section-head .cat {
  font-family: "Noto Serif SC", serif;
  font-size: 0.95rem; color: var(--text); font-weight: 500;
  letter-spacing: 0.08em;
}

.section-head span:last-child {
  font-size: 0.72rem; color: var(--text-muted);
}

/* ===== Module Cards ===== */
.module-list { display: flex; flex-direction: column; gap: 0.6rem; }

.module-card {
  display: flex; align-items: center; gap: 0.8rem;
  padding: 1rem 1.05rem;
  text-decoration: none; color: inherit;
  cursor: pointer; position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border); border-left: 3px solid var(--accent);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: all 0.25s var(--ease);
}

.module-card.active:hover {
  border-color: var(--border-active);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.module-card.active:active {
  transform: scale(0.98);
}

.module-card.locked {
  opacity: 0.4; cursor: default;
  box-shadow: none;
  border-style: dashed;
}
.module-card.locked:hover { opacity: 0.5; border-color: var(--border); }

.module-card .icon {
  font-size: 1rem; width: 1.6rem; text-align: center; flex-shrink: 0;
  opacity: 0.5;
}

.module-card .body { flex: 1; min-width: 0; }

.module-card .name {
  display: block; font-size: 0.88rem; font-weight: 500;
  letter-spacing: 0.03em; margin-bottom: 0.04rem;
  color: var(--text);
}

.module-card .desc {
  display: block; font-size: 0.72rem; color: var(--text-dim);
}

.module-card .badge {
  font-family: "Noto Sans SC", sans-serif;
  font-size: 0.6rem; padding: 0.12rem 0.45rem; border-radius: 8px; flex-shrink: 0;
  color: var(--accent-dim);
  border: 1px solid var(--border);
}

/* ===== Footer ===== */
.home-footer {
  text-align: center; padding: 3rem 0 1rem;
  font-size: 0.72rem; color: var(--text-muted);
}

.home-footer-credit {
  margin-top: 0.3rem;
  font-size: 0.68rem;
}
.home-footer-credit a {
  color: var(--accent, #c9a96e);
  text-decoration: none;
  transition: opacity 0.2s;
}
.home-footer-credit a:hover {
  opacity: 0.7;
}

.uptime-line {
  margin-top: 0.6rem;
  font-size: 0.68rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  letter-spacing: 0.03em;
}
.uptime-indicator {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #22c55e;
  display: inline-block;
}
.uptime-timer { font-variant-numeric: tabular-nums; font-weight: 500; }

/* ===== 底部导航 ===== */
.bottom-nav {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 100;
  display: flex;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
  padding: 0.5rem 0 0.4rem;
  padding-bottom: calc(0.4rem + env(safe-area-inset-bottom, 0px));
}

.nav-item {
  flex: 1; display: flex; align-items: center; justify-content: center;
  background: none; border: none; cursor: pointer;
  padding: 0.5rem 0.5rem;
  font-family: inherit;
  font-size: 0.82rem; letter-spacing: 0.06em; font-weight: 400;
  color: var(--text-muted);
  transition: all 0.2s;
  position: relative;
}

.nav-item.active {
  color: var(--text);
}

.nav-item.active::after {
  content: ''; position: absolute; bottom: -0.2rem; left: 50%;
  transform: translateX(-50%);
  width: 1rem; height: 2px;
  background: var(--accent); height: 3px; border-radius: 1px;
}

.nav-item:not(.active):hover { color: var(--text-dim); }

/* ===== Tab 容器 ===== */
.tab-content { min-height: 60vh; }

.home-wrapper { padding-bottom: 5rem; }

/* ===== 空/未登录状态 ===== */
.charts-guest {
  text-align: center; padding: 3rem 1.5rem;
}

.charts-guest .cg-icon { font-size: 2.4rem; margin-bottom: 0.5rem; opacity: 0.4; }

.charts-guest .cg-title {
  font-size: 0.95rem; font-weight: 500; letter-spacing: 0.03em;
  margin-bottom: 0.15rem;
}

.charts-guest .cg-desc {
  font-size: 0.76rem; color: var(--text-dim); margin-bottom: 1.2rem;
}

.cg-btns { display: flex; gap: 0.6rem; justify-content: center; }

.cg-btn {
  display: inline-block; padding: 0.4rem 1.3rem;
  font-size: 0.82rem; border-radius: 14px; text-decoration: none;
  font-family: inherit; letter-spacing: 0.02em;
  transition: all 0.2s var(--ease);
}

.cg-login {
  background: var(--accent); color: #fff;
  box-shadow: 0 2px 8px rgba(184,150,10,0.25);
  border: none;
}

.cg-login:hover { opacity: 0.85; }

.cg-register {
  background: transparent; color: var(--text-dim);
  border: 1px solid var(--border);
}

.cg-register:hover { color: var(--text); border-color: var(--border-active); }

/* ===== 命盘列表内联 ===== */
.mini-chart-card {
  display: flex; align-items: center; gap: 0.7rem;
  padding: 0.7rem 0;
  margin: 0; cursor: pointer;
  transition: all 0.2s var(--ease);
  border-bottom: 1px solid var(--border);
}

.mini-chart-card:last-of-type { border-bottom: none; }

.mini-chart-card:hover {
  padding-left: 0.4rem;
}

.mini-chart-card .mc-icon { font-size: 1rem; flex-shrink: 0; opacity: 0.4; }
.mini-chart-card .mc-body { flex: 1; min-width: 0; }

.mini-chart-card .mc-name {
  font-size: 0.82rem; font-weight: 450; color: var(--text);
  letter-spacing: 0.02em;
}

.mini-chart-card .mc-date {
  font-size: 0.64rem; color: var(--text-muted); margin-top: 0.04rem;
}

.mc-del {
  background: none; border: 1px solid var(--border); border-radius: 6px;
  color: var(--text-muted);
  font-size: 0.65rem; cursor: pointer; padding: 0.2rem 0.45rem;
  font-family: inherit; transition: all 0.2s;
  flex-shrink: 0;
  letter-spacing: 0.02em;
}
.mc-del:hover { color: #c94a4a; border-color: rgba(201,74,74,0.3); }

.mc-add {
  display: block; text-align: left; padding: 0.6rem 0;
  font-size: 0.8rem; color: var(--accent-dim); text-decoration: none;
  border-bottom: 1px dashed var(--border);
  transition: all 0.2s var(--ease);
  letter-spacing: 0.02em;
}

.mc-add:hover { padding-left: 0.4rem; color: var(--accent); }

/* ===== "我的" 卡片样式 ===== */
.card {
  background: var(--bg-card); border: 1px solid var(--border); border-left: 3px solid var(--accent); box-shadow: 0 1px 4px rgba(0,0,0,0.04);
  border-radius: var(--radius); padding: 1.2rem 1.4rem;
  margin-bottom: 0.6rem;
}

.card-title {
  font-family: "Noto Serif SC", serif;
  font-size: 0.95rem; color: var(--accent); letter-spacing: 0.04em;
  margin-bottom: 0.6rem; padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}

.info-row {
  display: flex; align-items: center; gap: 0.6rem; padding: 0.25rem 0;
  font-size: 0.84rem;
}

.info-label {
  color: var(--text-dim); font-weight: 500; min-width: 3.2em;
  font-size: 0.75rem;
}

.back-link {
  display: inline-flex; align-items: center; gap: 0.3rem;
  font-size: 0.78rem; color: var(--text-dim); text-decoration: none;
  padding: 0.3rem 0.6rem; border-radius: 8px;
  transition: all 0.2s var(--ease);
}
.back-link:hover { color: var(--text); background: var(--bg-hover); }

/* ===== Responsive ===== */
@media (max-width: 640px) {
  .home-wrapper { padding: 1.2rem 0.8rem 4rem; }
  .home-header { padding: 1.2rem 0 1rem; }
  .home-title { font-size: 1.5rem; letter-spacing: 0.1em; }
  .home-sub { font-size: 0.74rem; }
  .section-head .cat { font-size: 0.92rem; }
  .module-card { padding: 0.85rem 0.9rem; gap: 0.6rem; }
  .module-card .icon { font-size: 1rem; width: 1.8rem; }
  .module-card .name { font-size: 0.82rem; }
  .module-card .desc { font-size: 0.68rem; }
  .home-footer { padding: 2rem 0 0.8rem; font-size: 0.68rem; }
  .uptime-line { font-size: 0.64rem; }
  .charts-guest { padding: 2rem 1rem; }
  .mini-chart-card { padding: 0.65rem 0.85rem; }
  .cg-btn { padding: 0.35rem 1rem; font-size: 0.78rem; }
}

@media (max-width: 380px) {
  .home-title { font-size: 1.25rem; }
}

/* ===== AI 对话入口 ===== */
.ai-chat-entrance {
  display:flex; align-items:center; gap:0.5rem;
  margin:0.4rem 0 0; padding:0.65rem 1rem;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-left:3px solid var(--accent);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-card);
  cursor:pointer;
  transition:all 0.25s var(--ease);
}
.ai-chat-entrance:hover {
  border-color:var(--border-active);
  box-shadow:0 2px 8px rgba(0,0,0,0.06);
}
.ai-chat-entrance:active { transform:scale(0.98); }
.ai-chat-entrance .ai-ent-icon { font-size:1.1rem; flex-shrink:0; }
.ai-chat-entrance .ai-ent-text { flex:1; font-size:0.88rem; font-weight:500; letter-spacing:0.03em; color:var(--text); }
.ai-chat-entrance .ai-ent-arrow { font-size:1.2rem; color:var(--text-muted); transition:transform 0.2s; }
.ai-chat-entrance:hover .ai-ent-arrow { transform:translateX(2px); }

/* ===== 全屏 AI 对话弹窗 ===== */
.chat-overlay {
  position:fixed; top:0; left:0; right:0; bottom:0;
  z-index:999;
  display:none;
  background:rgba(0,0,0,0.2);
  animation:chatOverlayFadeIn 0.2s ease;
}
.chat-overlay.open { display:block; }
@keyframes chatOverlayFadeIn { from{opacity:0} to{opacity:1} }

.chat-overlay-inner {
  position:fixed; top:0; left:0; right:0; bottom:0;
  max-width:500px; margin:0 auto;
  background:var(--bg-card);
  display:flex; flex-direction:column;
  animation:chatSlideIn 0.25s var(--ease);
}
@keyframes chatSlideIn {
  from { transform:translateX(100%); opacity:0.5; }
  to { transform:translateX(0); opacity:1; }
}

.chat-overlay-iframe {
  width:100%; height:100%;
  border:none;
  background:var(--bg);
}