:root {
  --green: #4CAF50;
  --green-dark: #2E7D32;
  --bg: #F4F6F5;
  --card: #FFFFFF;
  --line: #E6EBE8;
  --text: #2D3436;
  --muted: #8A9490;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.6 -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
}

/* ---------- 登录 ---------- */
.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #E8F5E9 0%, #F4F6F5 60%);
}

.login-card {
  width: 340px;
  background: #fff;
  border-radius: 20px;
  padding: 34px 30px 28px;
  box-shadow: 0 18px 50px rgba(46, 125, 50, 0.12);
  display: flex;
  flex-direction: column;
}

.login-logo {
  width: 54px; height: 54px;
  border-radius: 16px;
  background: var(--green);
  color: #fff;
  font-size: 26px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}

.login-card h1 { font-size: 20px; margin: 0; }
.login-sub { color: var(--muted); font-size: 12px; margin: 4px 0 18px; }
.login-card label { font-size: 12px; color: var(--muted); margin-top: 12px; }
.login-card input {
  height: 42px;
  margin-top: 6px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 14px;
  outline: none;
}
.login-card input:focus { border-color: var(--green); }
.login-card button {
  height: 44px;
  margin-top: 22px;
  border: 0;
  border-radius: 22px;
  background: var(--green);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}
.login-card button:disabled { opacity: .6; cursor: default; }
.login-err { color: #D84315; font-size: 12px; margin-top: 10px; min-height: 18px; }

/* ---------- 顶栏 ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 28px;
  height: 58px;
  padding: 0 24px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.brand { font-weight: 600; font-size: 15px; display: flex; align-items: center; gap: 8px; }
.brand .logo {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: var(--green);
  color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 14px;
}

.tabs { display: flex; gap: 6px; }
.tabs a {
  padding: 6px 14px;
  border-radius: 8px;
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
}
.tabs a:hover { background: #F1F6F2; color: var(--green-dark); }
.tabs a.active { background: #E8F5E9; color: var(--green-dark); font-weight: 600; }

.me { margin-left: auto; display: flex; gap: 14px; align-items: center; font-size: 13px; color: var(--muted); }
.me a { color: var(--green-dark); cursor: pointer; }

/* ---------- 内容 ---------- */
main { padding: 22px 24px 60px; max-width: 1200px; margin: 0 auto; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 18px;
}
.card-label { font-size: 12px; color: var(--muted); }
.card-val { font-size: 26px; font-weight: 700; color: var(--green-dark); line-height: 1.3; }
.card-sub { font-size: 11px; color: var(--muted); min-height: 16px; }

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 20px;
  margin-bottom: 18px;
}
.panel h2 { font-size: 14px; margin: 0 0 14px; font-weight: 600; }

.trend-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 5px 0;
  font-size: 12px;
}
.trend-date { width: 52px; color: var(--muted); flex: none; }
.trend-num { width: 190px; color: var(--muted); text-align: right; flex: none; }
.trend-bars { flex: 1; display: flex; flex-direction: column; gap: 3px; }
.bar { display: block; height: 6px; border-radius: 3px; min-width: 2px; }
.bar-share { background: #4CAF50; }
.bar-save { background: #8BC34A; }
.bar-login { background: #CFD8DC; }
.bar-star { background: #FFB74D; }

/* ---------- 工具条 ---------- */
.toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.toolbar input, .toolbar select {
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #fff;
  font-size: 13px;
  outline: none;
}
.toolbar input:focus, .toolbar select:focus { border-color: var(--green); }
.toolbar button {
  height: 36px;
  padding: 0 18px;
  border: 0;
  border-radius: 9px;
  background: var(--green);
  color: #fff;
  font-size: 13px;
  cursor: pointer;
}
.chk { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); }

/* ---------- 表格 ---------- */
.table-wrap {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: auto;
}
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 10px 14px; text-align: left; border-bottom: 1px solid #F1F4F2; vertical-align: middle; }
th { background: #FAFCFB; font-weight: 600; color: var(--muted); font-size: 12px; white-space: nowrap; }
tbody tr:hover { background: #FAFCFB; }
tbody tr:last-child td { border-bottom: 0; }

.cell-user { display: flex; align-items: center; gap: 8px; }
.avatar { width: 26px; height: 26px; border-radius: 50%; object-fit: cover; flex: none; }
.avatar-ph {
  display: inline-flex; align-items: center; justify-content: center;
  background: #E8F5E9; color: var(--green-dark); font-size: 12px;
}
.mono { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 12px; }
.ellipsis { max-width: 190px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.small { font-size: 12px; color: var(--muted); }
.muted { color: var(--muted); }
.empty { text-align: center; color: var(--muted); padding: 28px 0; }
.stars { color: #FFA726; letter-spacing: 1px; }

.thumb {
  width: 44px; height: 44px;
  border-radius: 8px;
  object-fit: cover;
  cursor: zoom-in;
  border: 1px solid var(--line);
}

.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 12px;
}
.tag-login { background: #ECEFF1; color: #546E7A; }
.tag-share { background: #E8F5E9; color: var(--green-dark); }
.tag-save_image { background: #FFF3E0; color: #A9631B; }

/* 位置取证：实地=金标，回忆=灰标，可疑=红标 */
.tag-local { background: #FFF6E0; color: #96660A; border: 1px solid #E8C46A; }
.tag-memory { background: #F1F3F2; color: #6B7A72; }
.tag-warn { background: #FDECEC; color: #B23B3B; margin-left: 6px; }

/* ---------- 分页 ---------- */
.pager { display: flex; gap: 6px; align-items: center; margin-top: 12px; font-size: 12px; }
.pager a {
  min-width: 28px; height: 28px;
  padding: 0 8px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--text);
  cursor: pointer;
}
.pager a.on { background: var(--green); border-color: var(--green); color: #fff; }

/* ---------- 图片放大 ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .78);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 50;
  cursor: zoom-out;
}
.lightbox.show { display: flex; }
.lightbox img { max-width: 86vw; max-height: 86vh; border-radius: 10px; }