/* ============ Poster Lab - 灵感公社统一设计系统 ============ */
:root {
  --bg: #0f0f18; --card-bg: rgba(255,255,255,0.03); --sidebar-bg: #0d0d1a;
  --accent: #f59e0b; --accent2: #8b5cf6; --gold: #fbbf24;
  --green: #10b981; --orange: #f97316; --blue: #38bdf8; --purple: #8b5cf6;
  --text: #eaeaea; --text-dim: #9ca3af;
  --border: rgba(255,255,255,0.06);
  --radius: 14px; --radius-sm: 10px;
  --shadow: 0 8px 24px rgba(0,0,0,0.3);
  --glass: rgba(15,15,24,0.92);
  --input-bg: rgba(255,255,255,0.04);
  --input-border: rgba(255,255,255,0.1);
  --hover-bg: rgba(255,255,255,0.02);
}

[data-theme="light"] {
  --bg: #f5f3ef; --card-bg: #ffffff; --sidebar-bg: #ede8e0;
  --accent: #d97706; --accent2: #7c3aed; --gold: #b45309;
  --text: #1a1a2e; --text-dim: #6b7280;
  --border: rgba(0,0,0,0.08);
  --shadow: 0 4px 16px rgba(0,0,0,0.06);
  --glass: rgba(255,255,255,0.92);
  --input-bg: #f3f4f6;
  --input-border: rgba(0,0,0,0.12);
  --hover-bg: rgba(0,0,0,0.02);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg); color: var(--text); min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }

/* 导航栏 */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: var(--glass); backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0 40px; height: 64px;
  display: flex; align-items: center; justify-content: space-between;
}
.navbar .logo {
  font-size: 1.5rem; font-weight: 800; letter-spacing: 2px;
  background: linear-gradient(135deg, var(--accent2), var(--gold));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.navbar .nav-links { display: flex; gap: 20px; align-items: center; }
.navbar .nav-links a {
  color: var(--text-dim); font-size: 0.9rem; letter-spacing: 1px;
  transition: color 0.3s;
}
.navbar .nav-links a:hover, .navbar .nav-links a.active { color: var(--accent); }

/* 按钮 */
.btn { display: inline-block; padding: 8px 20px; border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.15); background: transparent;
  color: var(--text-dim); cursor: pointer; font-size: 0.85rem;
  letter-spacing: 1px; transition: all 0.3s; text-align: center;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn-accent { border-color: var(--accent); color: var(--accent); }
.btn-accent:hover { background: var(--accent); color: #fff; }
.btn-gold { border-color: var(--gold); color: var(--gold); }
.btn-gold:hover { background: var(--gold); color: #111; }
.btn-purple { border-color: var(--purple); color: var(--purple); }
.btn-purple:hover { background: var(--purple); color: #fff; }
.btn-primary {
  border: none; color: #fff; letter-spacing: 2px;
  background: linear-gradient(135deg, var(--purple), var(--accent));
}
.btn-primary:hover { opacity: 0.9; }
.btn-sm { padding: 6px 14px; font-size: 0.78rem; }

/* 卡片 */
.card {
  background: var(--card-bg); border-radius: var(--radius);
  border: 1px solid var(--border); padding: 24px;
}

/* 统计卡片行 */
.stats-row {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px; margin-bottom: 28px;
}
.stat-card {
  background: var(--card-bg); border-radius: var(--radius);
  border: 1px solid var(--border); padding: 24px; position: relative;
}
.stat-card .icon-dot {
  position: absolute; top: 16px; right: 16px;
  width: 40px; height: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-size: 1.2rem;
  background: rgba(255,255,255,0.04);
}
.stat-card .label { font-size: 0.78rem; color: var(--text-dim); letter-spacing: 1px; margin-bottom: 8px; }
.stat-card .value { font-size: 2rem; font-weight: 800; }
.stat-card .change { font-size: 0.75rem; margin-top: 6px; color: var(--text-dim); }
.stat-card .change-up { color: var(--green); }
.stat-card.accent .value { color: var(--accent); }
.stat-card.green .value { color: var(--green); }
.stat-card.orange .value { color: var(--orange); }
.stat-card.blue .value { color: var(--blue); }
.stat-card.purple .value { color: var(--purple); }

/* 弹窗 */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,0.85); backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity 0.3s;
}
.modal-overlay.active { opacity: 1; pointer-events: auto; }
.modal-box {
  background: var(--card-bg); border-radius: 20px; padding: 40px;
  max-width: 460px; width: 90%; position: relative;
  border: 1px solid rgba(255,255,255,0.1);
}
.modal-close {
  position: absolute; top: 14px; right: 18px; background: none; border: none;
  color: #fff; font-size: 1.5rem; cursor: pointer; width: 36px; height: 36px;
  border-radius: 50%; transition: background 0.3s;
}
.modal-close:hover { background: rgba(255,255,255,0.1); }

/* 表单 */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block; font-size: 0.85rem; color: var(--text-dim);
  margin-bottom: 6px; letter-spacing: 1px;
}
.form-input {
  width: 100%; padding: 12px 16px; border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.05); color: #fff;
  font-size: 0.95rem; outline: none; transition: border-color 0.3s;
}
.form-input:focus { border-color: var(--purple); }

/* 消息提示 */
.msg { font-size: 0.85rem; text-align: center; min-height: 20px; margin-bottom: 8px; }
.msg-error { color: var(--accent); }
.msg-success { color: var(--green); }

/* 表格 */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
  text-align: left; padding: 12px 16px; font-size: 0.78rem;
  color: var(--text-dim); letter-spacing: 1px;
  border-bottom: 1px solid var(--border);
}
.data-table td {
  padding: 12px 16px; font-size: 0.9rem;
  border-bottom: 1px solid var(--border);
}
.data-table tbody tr:hover { background: rgba(255,255,255,0.02); }

/* 图表区 */
.charts-row {
  display: grid; grid-template-columns: 2fr 1fr; gap: 20px; margin-bottom: 28px;
}
.chart-card { background: var(--card-bg); border-radius: var(--radius);
  border: 1px solid var(--border); padding: 24px; }
.chart-card h3 { font-size: 0.95rem; letter-spacing: 1px; margin-bottom: 20px; color: var(--text-dim); }

/* 热度条 */
.heat-bar {
  height: 8px; border-radius: 4px; background: rgba(255,255,255,0.08);
  overflow: hidden; margin-top: 4px;
}
.heat-bar-fill { height: 100%; border-radius: 4px; transition: width 0.6s; }

/* 页脚 */
.footer {
  text-align: center; padding: 32px 20px; color: var(--text-dim);
  font-size: 0.8rem; border-top: 1px solid var(--border);
  margin-top: 40px;
}

/* 粒子背景 */
.particles-bg {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 0;
  background: radial-gradient(ellipse at 20% 50%, rgba(245,158,11,0.06) 0%, transparent 50%),
              radial-gradient(ellipse at 80% 20%, rgba(139,92,246,0.08) 0%, transparent 50%),
              radial-gradient(ellipse at 50% 80%, rgba(108,99,255,0.05) 0%, transparent 50%),
              radial-gradient(ellipse at 60% 60%, rgba(245,158,11,0.03) 0%, transparent 40%);
}

/* 分类标签 */
.tag { display: inline-block; padding: 4px 12px; border-radius: 12px;
  font-size: 0.7rem; letter-spacing: 1px; }
.tag-design { background: var(--accent); color: #fff; }
.tag-photo { background: var(--accent2); color: #fff; }
.tag-illustration { background: var(--gold); color: #111; }
.tag-typography { background: #533483; color: #fff; }
.tag-anime { background: linear-gradient(135deg, #ff6b9d, #c44dff); color: #fff; }
.tag-beauty { background: linear-gradient(135deg, #f093fb, #f5576c); color: #fff; }
.tag-scenery { background: linear-gradient(135deg, #43e97b, #38f9d7); color: #111; }

/* ========== 天气部件 ========== */
.weather-widget {
  position: fixed; top: 80px; right: 28px; z-index: 99;
  background: rgba(26,26,46,0.82); backdrop-filter: blur(16px);
  border-radius: 16px; border: 1px solid rgba(255,255,255,0.08);
  padding: 16px 20px; display: flex; align-items: center; gap: 14px;
  transition: all 0.4s; min-width: 170px; box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.weather-widget:hover { border-color: rgba(255,255,255,0.16); transform: translateY(-2px); }
.weather-widget .weather-icon-wrap { width: 52px; height: 52px; flex-shrink: 0; position: relative; }
.weather-widget .weather-refresh {
  position: absolute; bottom: -2px; right: -2px; width: 20px; height: 20px;
  border-radius: 50%; background: rgba(255,255,255,0.12); border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center; color: var(--text-dim); font-size: 0.65rem;
  transition: all 0.3s;
}
.weather-widget .weather-refresh:hover { background: var(--accent); color: #fff; }
.weather-widget .weather-refresh.spinning { animation: spin 0.8s linear; }
.weather-info { min-width: 0; }
.weather-info .temp { font-size: 1.6rem; font-weight: 800; line-height: 1.2; color: #fff; }
.weather-info .desc { font-size: 0.78rem; color: var(--text-dim); letter-spacing: 1px; }
.weather-info .extra { font-size: 0.7rem; color: var(--text-dim); margin-top: 2px; display: flex; gap: 10px; }
.weather-info .extra span { white-space: nowrap; }
.weather-svg { width: 52px; height: 52px; }
.sun-rays { animation: spin 20s linear infinite; transform-origin: 26px 26px; }
@keyframes spin { to { transform: rotate(360deg); } }
.rain-drop { animation: rainFall 0.8s linear infinite; }
.rain-drop:nth-child(2) { animation-delay: 0.25s; }
.rain-drop:nth-child(3) { animation-delay: 0.55s; }
@keyframes rainFall {
  0% { opacity: 0; transform: translateY(-2px); }
  50% { opacity: 1; }
  100% { opacity: 0; transform: translateY(8px); }
}
.snow-flake { animation: snowFall 2s linear infinite; }
.snow-flake:nth-child(2) { animation-delay: 0.7s; }
.snow-flake:nth-child(3) { animation-delay: 1.4s; }
@keyframes snowFall {
  0% { opacity: 0; transform: translateY(-3px) rotate(0deg); }
  50% { opacity: 1; }
  100% { opacity: 0; transform: translateY(10px) rotate(180deg); }
}

/* ========== 页面过渡动画 ========== */
@keyframes pageIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.main-content, .game-page, .chat-page, .poster-grid, .hero {
  animation: pageIn 0.35s ease-out;
}

/* ========== 汉堡菜单 ========== */
.hamburger {
  display: none; flex-direction: column; gap: 5px; cursor: pointer;
  background: none; border: none; padding: 6px; z-index: 101;
}
.hamburger span {
  display: block; width: 24px; height: 2px; background: var(--text);
  border-radius: 2px; transition: all 0.3s;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ========== 响应式 ========== */
@media (max-width: 768px) {
  .navbar { padding: 0 16px; }
  .hamburger { display: flex; }
  .navbar .nav-links {
    position: fixed; top: 64px; left: 0; right: 0;
    background: var(--glass); backdrop-filter: blur(20px);
    flex-direction: column; padding: 16px 24px; gap: 12px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%); transition: transform 0.35s ease;
    z-index: 99;
  }
  .navbar .nav-links.open { transform: translateY(0); }
  .navbar .nav-links a { font-size: 0.9rem; padding: 8px 0; }
  .navbar .nav-links .btn { display: inline-block; width: auto; }
  .charts-row { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .modal-box { padding: 28px; }
  .weather-widget { top: 74px; right: 8px; padding: 10px 14px; min-width: auto; gap: 8px; }
  .weather-widget .weather-icon-wrap { width: 40px; height: 40px; }
  .weather-svg { width: 40px; height: 40px; }
  .weather-info .temp { font-size: 1.3rem; }
  .weather-info .desc { font-size: 0.7rem; }
  .weather-info .extra { font-size: 0.65rem; }
}

/* ========== 主题切换按钮 ========== */
.theme-toggle {
  background: none; border: 1px solid var(--border); cursor: pointer;
  width: 34px; height: 34px; border-radius: 50%; display: flex;
  align-items: center; justify-content: center; font-size: 1rem;
  transition: all 0.3s; color: var(--text-dim);
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }

/* ========== 搜索框 ========== */
.search-wrap {
  position: relative; display: flex; align-items: center; gap: 8px;
  flex-shrink: 0;
}
.search-wrap input {
  padding: 8px 14px 8px 36px; border-radius: 20px;
  border: 1px solid var(--input-border); background: var(--input-bg);
  color: var(--text); font-size: 0.85rem; outline: none; width: 180px;
  transition: all 0.3s;
}
.search-wrap input:focus { border-color: var(--purple); width: 220px; }
.search-wrap input::placeholder { color: var(--text-dim); }
.search-icon {
  position: absolute; left: 12px; color: var(--text-dim);
  pointer-events: none; font-size: 0.85rem;
}

/* ========== 收藏按钮 ========== */
.fav-btn {
  background: none; border: none; cursor: pointer; font-size: 1.2rem;
  transition: transform 0.2s; padding: 2px;
}
.fav-btn:hover { transform: scale(1.2); }
.fav-btn.active { filter: none; }

/* ========== 返回顶部 ========== */
.back-to-top {
  position: fixed; bottom: 32px; right: 28px; z-index: 98;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--card-bg); border: 1px solid var(--border);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  opacity: 0; transform: translateY(20px); pointer-events: none;
  transition: all 0.3s; color: var(--text-dim); font-size: 1.2rem;
  box-shadow: var(--shadow);
}
.back-to-top.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.back-to-top:hover { border-color: var(--accent); color: var(--accent); }

/* ========== QR Tab 切换 ========== */
.tab-switch {
  display: flex; gap: 0; margin-bottom: 16px; border-radius: 10px;
  overflow: hidden; border: 1px solid var(--input-border);
  background: var(--input-bg);
}
.tab-switch button {
  flex: 1; padding: 10px; border: none; cursor: pointer; font-size: 0.82rem;
  letter-spacing: 1px; color: var(--text-dim); background: none;
  transition: all 0.3s;
}
.tab-switch button.active {
  background: var(--purple); color: #fff;
}
.qr-output { text-align: center; padding: 20px 0; }
.qr-output img { border-radius: 12px; max-width: 200px; }

/* ========== 抓取历史 ========== */
.history-list { margin-top: 8px; }
.history-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 0; border-bottom: 1px solid var(--border);
  font-size: 0.82rem; cursor: pointer; color: var(--text-dim);
  transition: color 0.2s;
}
.history-item:hover { color: var(--accent); }
.history-item .h-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; }
.history-item .h-time { font-size: 0.72rem; margin-left: 12px; flex-shrink: 0; }

/* ========== 便签墙 ========== */
.notes-page { padding: 80px 20px 40px; min-height: 100vh; position: relative; }
.notes-toolbar {
  display: flex; gap: 12px; justify-content: center; margin-bottom: 30px;
  flex-wrap: wrap;
}
.note {
  position: absolute; width: 200px; min-height: 140px; border-radius: 8px;
  padding: 16px; cursor: move; box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  user-select: none; transition: box-shadow 0.2s;
  display: flex; flex-direction: column; gap: 8px;
}
.note:hover { z-index: 10; box-shadow: 0 8px 30px rgba(0,0,0,0.35); }
.note textarea {
  flex: 1; background: transparent; border: none; resize: none;
  color: inherit; font-size: 0.9rem; outline: none; font-family: inherit;
  line-height: 1.6;
}
.note .note-del {
  position: absolute; top: 4px; right: 8px; background: none; border: none;
  cursor: pointer; font-size: 1rem; opacity: 0.5; color: inherit;
}
.note .note-del:hover { opacity: 1; }

/* ========== 图片压缩器 ========== */
.compress-page { padding: 80px 20px 40px; min-height: 100vh; }
.compress-hero { text-align: center; margin-bottom: 32px; }
.compress-hero h1 { font-size: 2rem; margin-bottom: 8px; }
.compress-hero p { color: var(--text-dim); }
.drop-zone {
  max-width: 600px; margin: 0 auto 32px; padding: 48px 24px;
  border: 2px dashed var(--border); border-radius: var(--radius);
  text-align: center; cursor: pointer; transition: all 0.3s;
  background: var(--card-bg);
}
.drop-zone:hover, .drop-zone.drag-over { border-color: var(--purple); }
.drop-zone .dz-icon { font-size: 3rem; margin-bottom: 12px; }
.drop-zone .dz-text { color: var(--text-dim); font-size: 0.9rem; }
.drop-zone .dz-hint { color: var(--text-dim); font-size: 0.75rem; margin-top: 6px; }
.compress-result { max-width: 600px; margin: 0 auto; display: none; }
.compress-result.show { display: block; }
.compress-preview {
  display: flex; gap: 24px; align-items: flex-start; flex-wrap: wrap;
}
.compress-preview img { max-width: 300px; border-radius: var(--radius-sm); border: 1px solid var(--border); }
.compress-info { flex: 1; min-width: 200px; }
.compress-info .ci-row { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
.ci-row .ci-label { color: var(--text-dim); }
.ci-row .ci-val { color: var(--green); }
.compress-controls { margin-top: 16px; }
.compress-controls label { display: block; font-size: 0.85rem; margin-bottom: 6px; color: var(--text-dim); }
.compress-controls input[type="range"] { width: 100%; accent-color: var(--purple); }
.compress-controls .btn { margin-top: 12px; }

/* ========== 自定义滚动条 ========== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(139,92,246,0.25); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(139,92,246,0.45); }
[data-theme="light"] ::-webkit-scrollbar-thumb { background: rgba(124,58,237,0.2); }
[data-theme="light"] ::-webkit-scrollbar-thumb:hover { background: rgba(124,58,237,0.35); }

/* ========== 全局 Toast ========== */
.toast-container {
  position: fixed; top: 80px; left: 50%; transform: translateX(-50%);
  z-index: 9999; display: flex; flex-direction: column; gap: 8px;
  align-items: center; pointer-events: none;
}
.toast {
  padding: 12px 24px; border-radius: 12px; font-size: 0.85rem;
  letter-spacing: 1px; pointer-events: auto;
  background: rgba(30,30,50,0.95); color: #fff;
  border: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(16px); animation: toastIn 0.35s ease-out;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  max-width: 90vw; text-align: center;
}
.toast.success { border-color: rgba(16,185,129,0.4); }
.toast.error { border-color: rgba(239,68,68,0.4); }
.toast.warn { border-color: rgba(245,158,11,0.4); }
.toast.fade-out { animation: toastOut 0.3s ease-in forwards; }
@keyframes toastIn { from { opacity: 0; transform: translateY(-12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes toastOut { from { opacity: 1; transform: translateY(0); } to { opacity: 0; transform: translateY(-12px); } }

/* ========== 点击波纹 ========== */
.ripple { position: relative; overflow: hidden; }
.ripple-effect {
  position: absolute; border-radius: 50%; background: rgba(139,92,246,0.35);
  transform: scale(0); animation: rippleAnim 0.6s ease-out;
  pointer-events: none;
}
@keyframes rippleAnim { to { transform: scale(4); opacity: 0; } }

@media (max-width: 768px) {
  .back-to-top { bottom: 20px; right: 12px; width: 40px; height: 40px; }
  .note { width: 160px; min-height: 110px; }
  .compress-preview img { max-width: 100%; }
}