/* =========================================
   青年驿站门户 - 蓝色科技主题（昼/夜双主题）
   ========================================= */
:root {
  /* 暗夜模式（默认） */
  --bg-deep: #050b1a;
  --bg-1: #0a1530;
  --bg-2: #0f1f44;
  --primary: #2c7bff;
  --primary-2: #4ea1ff;
  --cyan: #00e1ff;
  --text: #e6f0ff;
  --text-dim: #8aa8d6;
  --border: rgba(78, 161, 255, 0.18);
  --card: rgba(15, 31, 68, 0.72);
  --shadow: 0 8px 30px rgba(0, 30, 90, 0.45);

  /* 派生色：搜索/输入背景、信息窗、登录页径向、图标灰阶 */
  --input-bg: rgba(8, 18, 48, 0.6);
  --topbar-grad: linear-gradient(90deg, #0a1530, #0f2050);
  --login-radial: radial-gradient(ellipse at top, #102a5e 0%, #050b1a 60%);
  --login-card-grad: linear-gradient(180deg, rgba(20,40,90,0.85), rgba(8,18,48,0.92));
  --iw-grad: linear-gradient(180deg, #102a5e, #0a1838);
  --remark-bg: rgba(255,180,0,0.08);
  --remark-color: #ffd98a;
  --addr-bg: rgba(44,123,255,0.08);
  --hover-bg: linear-gradient(90deg, rgba(44,123,255,0.18), transparent);
  --tag-3-bg: rgba(255,255,255,0.08);
}

/* ====== 白天模式 ====== */
:root[data-theme="light"] {
  --bg-deep: #f4f7fc;
  --bg-1: #ffffff;
  --bg-2: #eef3fb;
  --primary: #2563eb;
  --primary-2: #3b82f6;
  --cyan: #0ea5b7;
  --text: #1e293b;
  --text-dim: #64748b;
  --border: rgba(37, 99, 235, 0.18);
  --card: rgba(255, 255, 255, 0.92);
  --shadow: 0 6px 22px rgba(30, 64, 175, 0.10);

  --input-bg: #ffffff;
  --topbar-grad: linear-gradient(90deg, #ffffff, #f1f5fb);
  --login-radial: radial-gradient(ellipse at top, #dbeafe 0%, #f4f7fc 60%);
  --login-card-grad: linear-gradient(180deg, #ffffff, #f8fafc);
  --iw-grad: linear-gradient(180deg, #ffffff, #eef3fb);
  --remark-bg: #fff7e6;
  --remark-color: #b45309;
  --addr-bg: #eef4ff;
  --hover-bg: linear-gradient(90deg, #e6efff, transparent);
  --tag-3-bg: rgba(15, 23, 42, 0.06);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg-deep);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  transition: background-color .25s, color .25s;
}
a { color: var(--primary-2); text-decoration: none; }

/* =================== 登录页 =================== */
.login-wrap {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  background: var(--login-radial);
}
.login-bg { position: absolute; inset: 0; pointer-events: none; }
.login-bg .grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(78,161,255,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(78,161,255,0.08) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}
:root[data-theme="light"] .login-bg .grid {
  background-image:
    linear-gradient(rgba(37,99,235,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,0.06) 1px, transparent 1px);
}
.login-bg .glow {
  position: absolute;
  width: 520px; height: 520px; border-radius: 50%;
  filter: blur(80px); opacity: .6;
}
.login-bg .glow-1 { background: var(--primary); top: -120px; left: -100px; }
.login-bg .glow-2 { background: var(--cyan); bottom: -160px; right: -120px; opacity: .35; }
:root[data-theme="light"] .login-bg .glow { opacity: .25; }

.login-card {
  position: relative; z-index: 2;
  width: 420px; padding: 44px 38px 36px;
  background: var(--login-card-grad);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}
.brand { text-align: center; margin-bottom: 28px; }
.logo-circle {
  width: 64px; height: 64px; border-radius: 50%;
  margin: 0 auto 14px;
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  display: flex; align-items: center; justify-content: center;
  color: #fff; box-shadow: 0 6px 24px rgba(44, 123, 255, 0.5);
}
.brand h1 { font-size: 22px; margin: 0; letter-spacing: 1px; }
.subtitle { color: var(--text-dim); font-size: 13px; margin-top: 6px; }

.form label { display: block; font-size: 13px; color: var(--text-dim); margin-bottom: 8px; }
.form input[type="text"] {
  width: 100%; padding: 12px 14px;
  font-size: 16px; letter-spacing: 2px;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text); outline: none;
  transition: all .2s;
}
.form input[type="text"]:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(44,123,255,0.18); }
.btn-primary {
  width: 100%; margin-top: 16px; padding: 12px;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
  color: #fff; font-size: 15px; font-weight: 600;
  border: none; border-radius: 10px; cursor: pointer;
  box-shadow: 0 4px 16px rgba(44,123,255,0.35);
  transition: transform .15s;
}
.btn-primary:hover { transform: translateY(-1px); }
.btn-primary:disabled { opacity: .6; cursor: not-allowed; }
.msg { color: #ff7b8a; font-size: 13px; margin: 10px 0 0; min-height: 18px; text-align: center; }
.tips { font-size: 12px; color: var(--text-dim); text-align: center; line-height: 1.7; margin-top: 16px; }

.footer { position: absolute; bottom: 16px; left: 0; right: 0; text-align: center; color: var(--text-dim); font-size: 12px; z-index:2;}

/* =================== 主页布局 =================== */
.topbar {
  height: 56px;
  display: flex; align-items: center; gap: 16px;
  padding: 0 20px;
  background: var(--topbar-grad);
  border-bottom: 1px solid var(--border);
  position: relative; z-index: 10;
}
.logo-mini {
  display: flex; align-items: center; gap: 8px;
  font-weight: 600; color: var(--text); font-size: 15px;
}
.logo-mini svg { color: var(--primary-2); }
.search-bar {
  flex: 1; display: flex; gap: 8px; max-width: 720px; margin: 0 auto;
}
.search-bar select, .search-bar input {
  padding: 8px 12px; background: var(--input-bg);
  border: 1px solid var(--border); border-radius: 8px;
  color: var(--text); font-size: 13px;
}
.search-bar input { flex: 1; }
.search-bar select:focus, .search-bar input:focus { outline: none; border-color: var(--primary); }
.search-bar button {
  padding: 8px 16px; background: var(--primary); color: #fff;
  border: none; border-radius: 8px; cursor: pointer; font-size: 13px;
}
.search-bar button.ghost { background: transparent; border: 1px solid var(--border); color: var(--text-dim); }
.logout { color: var(--text-dim); font-size: 13px; }

.layout {
  display: grid; grid-template-columns: 360px 1fr;
  height: calc(100vh - 56px);
}
.side-list {
  background: var(--bg-1);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  overflow: hidden;
}
.list-header {
  padding: 12px 16px; font-size: 13px; color: var(--text-dim);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.list-header #list-count { color: var(--cyan); font-weight: 600; font-size: 16px; }
.mini-btn {
  background: rgba(44,123,255,0.16);
  color: var(--primary-2); border: 1px solid var(--border);
  padding: 4px 10px; font-size: 12px; border-radius: 6px; cursor: pointer;
}
#station-list { list-style: none; margin: 0; padding: 0; overflow-y: auto; flex: 1; }
#station-list li {
  padding: 14px 16px; cursor: pointer;
  border-bottom: 1px solid rgba(78,161,255,0.06);
  transition: background .15s;
}
#station-list li:hover, #station-list li.active {
  background: var(--hover-bg);
  border-left: 3px solid var(--primary);
  padding-left: 13px;
}
#station-list .s-name { font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 4px; }
#station-list .s-addr { font-size: 12px; color: var(--text-dim); line-height: 1.5; }
#station-list .s-tags { margin-top: 6px; display: flex; gap: 6px; flex-wrap: wrap; }
.tag {
  display: inline-block; padding: 2px 8px;
  background: rgba(0,225,255,0.12); color: var(--cyan);
  border-radius: 4px; font-size: 11px;
}
.tag-2 { background: rgba(44,123,255,0.18); color: var(--primary-2); }
.tag-3 { background: var(--tag-3-bg); color: var(--text-dim); }

.map-area { position: relative; }
#map { width: 100%; height: 100%; }

/* 信息窗口 */
.amap-info-content { padding: 0 !important; }
.iw {
  background: var(--iw-grad);
  color: var(--text); padding: 14px 16px; min-width: 240px;
  border-radius: 8px;
}
.iw h4 { margin: 0 0 6px; font-size: 14px; color: var(--text); }
.iw .iw-addr { font-size: 12px; color: var(--text-dim); margin-bottom: 8px; line-height: 1.5; }
.iw a { font-size: 12px; }

/* =================== 详情页 =================== */
.detail-layout {
  display: grid; grid-template-columns: 1fr 480px;
  gap: 20px; padding: 20px;
  height: calc(100vh - 56px);
}
.detail-left {
  background: var(--bg-1); border: 1px solid var(--border);
  border-radius: 12px; padding: 24px 28px; overflow-y: auto;
}
.detail-right { display: flex; flex-direction: column; }
.detail-right #map {
  flex: 1; border-radius: 12px; overflow: hidden;
  border: 1px solid var(--border);
}
.d-name { font-size: 22px; margin: 0 0 12px; color: var(--text); }
.d-meta { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.d-address { padding: 12px 14px; background: var(--addr-bg); border-radius: 8px; font-size: 14px; }
.d-section {
  margin: 22px 0 12px; font-size: 15px; color: var(--cyan);
  border-left: 3px solid var(--primary); padding-left: 10px;
}
.d-rich { font-size: 14px; line-height: 1.8; color: var(--text); }
.d-rich img { max-width: 100%; border-radius: 8px; margin: 8px 0; }
.d-rich a { word-break: break-all; }
.d-rich p { margin: 8px 0; }
.d-remark {
  padding: 12px 14px; background: var(--remark-bg);
  border-left: 3px solid #ffb400; border-radius: 4px;
  font-size: 14px; color: var(--remark-color); line-height: 1.7;
}
.d-attach { padding-left: 20px; }
.d-attach li { margin: 6px 0; }
.empty { color: var(--text-dim); }

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .side-list { max-height: 40vh; }
  .detail-layout { grid-template-columns: 1fr; height: auto; }
  .detail-right #map { height: 320px; }
  .search-bar { flex-wrap: wrap; }
}

/* =================== 主题切换按钮（全局） =================== */
.theme-toggle {
  position: fixed; top: 14px; right: 14px; z-index: 9997;
  width: 38px; height: 38px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  cursor: pointer; user-select: none;
  font-size: 18px; line-height: 1;
  box-shadow: var(--shadow);
  transition: transform .25s cubic-bezier(.5,1.6,.4,1), background .2s, color .2s;
  backdrop-filter: blur(8px);
}
.theme-toggle:hover { transform: rotate(20deg) scale(1.08); }
.theme-toggle:active { transform: scale(0.94); }
:root[data-theme="light"] .theme-toggle { color: #f59e0b; }
:root:not([data-theme="light"]) .theme-toggle { color: #cfe6ff; }
.theme-toggle .ic-sun, .theme-toggle .ic-moon { transition: opacity .25s, transform .25s; }
.theme-toggle .ic-sun { display: none; }
.theme-toggle .ic-moon { display: inline; }
:root[data-theme="light"] .theme-toggle .ic-sun { display: inline; }
:root[data-theme="light"] .theme-toggle .ic-moon { display: none; }

/* 进入登录页时按钮稍微向下避开（登录页 z-index 高） */
.login-wrap ~ .theme-toggle,
body:has(.login-wrap) .theme-toggle { top: 18px; right: 18px; }

/* 详情页里的图片在白天模式下需要白色阴影衬托 */
:root[data-theme="light"] .d-rich img {
  box-shadow: 0 2px 10px rgba(30,64,175,0.08);
}

/* 列表卡片在白天模式下加点描边 */
:root[data-theme="light"] #station-list li {
  border-bottom: 1px solid rgba(15,23,42,0.06);
}
:root[data-theme="light"] .login-card,
:root[data-theme="light"] .detail-left,
:root[data-theme="light"] .side-list {
  box-shadow: 0 8px 30px rgba(30,64,175,0.08);
}

/* 高德地图工具按钮在白天模式下保留地图自身样式（不强行反色） */

/* =================== 地图详情浮动卡 =================== */
.map-area { position: relative; }
.detail-card {
  position: absolute; top: 16px; right: 16px;
  width: 380px; max-width: calc(100% - 32px);
  max-height: calc(100% - 32px);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  z-index: 6;
  overflow: hidden;
  display: flex; flex-direction: column;
  animation: dcIn .2s cubic-bezier(.4,1.5,.5,1);
}
@keyframes dcIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
.detail-card .dc-close {
  position: absolute; top: 8px; right: 10px;
  width: 28px; height: 28px; border-radius: 50%;
  background: rgba(0,0,0,0.18); color: var(--text);
  border: none; cursor: pointer; font-size: 18px; line-height: 1;
  z-index: 2;
}
.detail-card .dc-close:hover { background: rgba(255,80,100,0.45); color: #fff; }
:root[data-theme="light"] .detail-card .dc-close { background: rgba(15,23,42,0.06); color: #475569; }
:root[data-theme="light"] .detail-card .dc-close:hover { background: #fee2e2; color: #b91c1c; }

.detail-card .dc-body {
  padding: 22px 22px 20px;
  overflow-y: auto;
  max-height: 100%;
  scrollbar-width: thin;
}
.dc-name {
  font-size: 18px; font-weight: 700; color: var(--text);
  margin: 0 28px 10px 0; line-height: 1.4;
}
.dc-meta {
  display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px;
}
.dc-addr {
  background: var(--addr-bg); border-radius: 10px;
  padding: 10px 14px; font-size: 13px; line-height: 1.7;
  color: var(--text); margin-bottom: 14px;
  border-left: 3px solid var(--primary);
}
.dc-section {
  font-size: 12px; font-weight: 700; letter-spacing: .08em;
  color: var(--text-dim); text-transform: uppercase;
  margin: 14px 0 8px; padding-left: 8px;
  border-left: 2px solid var(--primary-2);
}
.dc-info-row {
  display: flex; gap: 10px; padding: 7px 0;
  font-size: 13px; line-height: 1.6; color: var(--text);
  border-bottom: 1px dashed var(--border);
}
.dc-info-row:last-of-type { border-bottom: none; }
.dc-info-row .ir-label { color: var(--text-dim); flex-shrink: 0; min-width: 64px; font-weight: 500; }
.dc-info-row .ir-value { flex: 1; }
.dc-info-row .ir-value a { color: var(--primary-2); }
.dc-list { padding-left: 18px; margin: 4px 0; font-size: 13px; line-height: 1.7; color: var(--text); }
.dc-list li { margin-bottom: 2px; }
.dc-actions {
  display: flex; gap: 8px; margin-top: 16px;
}
.dc-btn {
  flex: 1; padding: 10px 14px; border-radius: 10px;
  border: none; cursor: pointer; font-size: 13px; font-weight: 600;
  text-align: center; text-decoration: none;
  transition: transform .15s, box-shadow .15s, filter .15s;
}
.dc-btn.primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
  box-shadow: 0 4px 14px rgba(44,123,255,0.32);
}
.dc-btn.primary:hover { transform: translateY(-1px); filter: brightness(1.06); }
.dc-btn.ghost {
  background: transparent; border: 1px solid var(--border);
  color: var(--primary-2);
}
.dc-btn.ghost:hover { background: var(--addr-bg); }
.dc-empty { color: var(--text-dim); font-size: 13px; padding: 20px 0; text-align: center; }

@media (max-width: 900px) {
  .detail-card {
    top: auto; right: 0; left: 0; bottom: 0;
    width: 100%; max-width: none;
    max-height: 60vh;
    border-radius: 14px 14px 0 0;
  }
}