:root {
  --bg: #0a0d12;
  --bg-soft: #11161e;
  --panel: rgba(17, 22, 30, 0.88);
  --panel-strong: #151c26;
  --line: rgba(148, 163, 184, 0.14);
  --line-strong: rgba(148, 163, 184, 0.28);
  --text: #ecf3ff;
  --muted: #93a0b8;
  --accent: #5eead4;
  --accent-strong: #14b8a6;
  --warn: #f59e0b;
  --danger: #f97316;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
  --radius: 22px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Microsoft YaHei UI", "PingFang SC", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(20, 184, 166, 0.16), transparent 32%),
    radial-gradient(circle at right center, rgba(249, 115, 22, 0.12), transparent 28%),
    linear-gradient(135deg, #06080c, #0b1016 45%, #0d131d);
  color: var(--text);
}

.hidden { display: none !important; }
.shell { min-height: 100vh; display: grid; grid-template-columns: 320px 1fr; }
.shell.login-shell {
  grid-template-columns: 1fr;
}
.shell.login-shell .sidebar {
  display: none;
}
.shell.login-shell .main {
  min-height: 100vh;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.shell.login-shell .topbar,
.shell.login-shell #alerts {
  display: none;
}
.sidebar {
  padding: 28px;
  border-right: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0));
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.brand-kicker, .eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 11px;
  color: var(--accent);
}
.brand h1, .topbar h2, .panel h3 { margin: 8px 0; }
.brand p, .panel p, .detail-meta p, .timeline p { color: var(--muted); }
.nav { display: grid; gap: 10px; }
.nav button {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.02);
  color: var(--text);
  border-radius: 16px;
  padding: 14px 16px;
  text-align: left;
  cursor: pointer;
}
.nav button.active { border-color: rgba(94, 234, 212, 0.45); background: rgba(94, 234, 212, 0.09); }
.sidebar-footer { margin-top: auto; display: grid; gap: 12px; }
.user-badge {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px 14px;
  color: var(--muted);
}

.main { padding: 28px; display: grid; gap: 22px; }
.topbar { display: flex; justify-content: space-between; align-items: end; gap: 16px; }
.status-pill {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(94, 234, 212, 0.3);
  color: var(--accent);
  background: rgba(94, 234, 212, 0.08);
}
.view { display: none; }
.view.active:not(.hidden), .view:not(.hidden) { display: block; }
.login-layout.view.active:not(.hidden) { display: flex; }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
}
.hero-panel {
  display: grid;
  grid-template-columns: 1.5fr minmax(280px, 360px);
  gap: 36px;
  align-items: center;
}
.login-layout {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  width: 100%;
}
.login-form-panel {
  width: 500px;
  max-width: 500px;
  padding: 28px;
}
.login-form-head {
  margin-bottom: 14px;
}
.login-form-head .eyebrow {
  margin: 0 0 6px;
}
.login-form-head h3 {
  margin: 0;
}
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 14px;
  margin-bottom: 18px;
}
.metrics, .grid.two-col, .detail-grid {
  display: grid;
  gap: 18px;
}
.dashboard-sections { margin-top: 28px; }
.metrics { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.grid.two-col, .detail-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.metric-card, .item-card, .timeline-item {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,255,255,0.03);
}
.metric-card { padding: 18px; }
.metric-card strong { display: block; font-size: 30px; margin-top: 8px; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.compact-form { margin-bottom: 18px; }
.section-gap { margin-top: 20px; }
.auth-form { grid-template-columns: 1fr; }
.full-span, .checkbox-row { grid-column: 1 / -1; }
label { display: grid; gap: 8px; color: var(--muted); font-size: 14px; }
.upload-field {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}
input, textarea, select {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(8, 12, 18, 0.82);
  color: var(--text);
  padding: 13px 14px;
}
textarea { resize: vertical; }
.checkbox-row { display: flex; align-items: center; gap: 10px; }
.checkbox-row input { width: auto; }
.upload-box {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
  border-radius: 16px;
  border: 1px dashed var(--line-strong);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  cursor: pointer;
  text-align: center;
  overflow: hidden;
}
.upload-box:hover {
  border-color: rgba(94,234,212,0.35);
  background: rgba(94,234,212,0.05);
}
.upload-box input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.primary-btn, .ghost-btn, .warn-btn {
  border-radius: 16px;
  padding: 12px 16px;
  border: 1px solid transparent;
  cursor: pointer;
  font-weight: 600;
}
.primary-btn { background: linear-gradient(135deg, var(--accent), var(--accent-strong)); color: #042f2e; }
.ghost-btn { background: rgba(255,255,255,0.02); color: var(--text); border-color: var(--line); }
.warn-btn { background: rgba(249, 115, 22, 0.12); color: #ffd8b4; border-color: rgba(249,115,22,0.24); }
.button-row, .action-stack { display: grid; gap: 12px; margin-top: 16px; }
.button-row { grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); }
.detail-action-row {
  grid-column: 1 / -1;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: stretch;
}
.detail-action-row > button {
  width: 100%;
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
#adminView .button-row.section-gap {
  margin-bottom: 18px;
}
#managerView .button-row.section-gap {
  margin-bottom: 18px;
}

.card-list { display: grid; gap: 14px; }
.item-card { padding: 10px 12px; display: grid; gap: 8px; }
.compact-head { margin-bottom: 12px; }
.empty-inline { min-height: 0; margin-top: 8px; }
.item-meta { display: flex; flex-wrap: wrap; gap: 8px; color: var(--muted); font-size: 13px; }
.tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 10px; border-radius: 999px;
  background: rgba(94,234,212,0.08); color: var(--accent); border: 1px solid rgba(94,234,212,0.2);
}

.detail-meta { display: grid; gap: 12px; }
.detail-row {
  display: grid; grid-template-columns: 120px 1fr;
  gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line);
}
.timeline { display: grid; gap: 12px; }
.timeline-item { padding: 16px; }
.timeline-item strong { display: block; margin-bottom: 6px; }
.empty-state {
  border: 1px dashed var(--line-strong);
  border-radius: 18px;
  padding: 26px;
  color: var(--muted);
}
.alert {
  padding: 14px 16px; border-radius: 16px; border: 1px solid var(--line);
  background: rgba(255,255,255,0.04); margin-bottom: 12px;
}
.alert.error { border-color: rgba(249,115,22,0.32); background: rgba(249,115,22,0.08); }
.alert.success { border-color: rgba(94,234,212,0.32); background: rgba(94,234,212,0.08); }

@media (max-width: 1100px) {
  .shell, .hero-panel, .grid.two-col, .detail-grid { grid-template-columns: 1fr; }
  .sidebar { border-right: none; border-bottom: 1px solid var(--line); }
  .login-copy-panel { justify-self: stretch; max-width: none; }
  .login-form-panel { justify-self: stretch; max-width: none; }
  .login-layout { display: block; min-height: auto; }
}