:root {
  --bg0: #070b14;
  --bg1: #0d1526;
  --card: rgba(16, 24, 42, 0.78);
  --card-solid: #121a2b;
  --line: rgba(120, 150, 210, 0.18);
  --line-strong: rgba(140, 170, 230, 0.28);
  --text: #edf3ff;
  --muted: #93a6c7;
  --primary: #5b8cff;
  --primary2: #8b5cf6;
  --danger: #ff5d6c;
  --ok: #3ddc97;
  --warn: #ffc857;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  --radius: 18px;
  --sidebar-w: 248px;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 500px at 8% -10%, rgba(91, 140, 255, 0.22), transparent 55%),
    radial-gradient(800px 480px at 100% 0%, rgba(139, 92, 246, 0.16), transparent 50%),
    radial-gradient(700px 420px at 50% 100%, rgba(61, 220, 151, 0.06), transparent 45%),
    linear-gradient(180deg, #0a1020 0%, var(--bg0) 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: var(--primary); text-decoration: none; }
button, input, select, textarea { font: inherit; }

/* ===== shell: sidebar layout ===== */
.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 20px 14px;
  border-right: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(14, 22, 40, 0.95), rgba(10, 16, 30, 0.92));
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  z-index: 20;
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 10px 14px;
}
.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  box-shadow: 0 8px 24px rgba(91, 140, 255, 0.35);
  display: grid;
  place-items: center;
  font-weight: 800;
  letter-spacing: .5px;
}
.brand-text { line-height: 1.2; }
.brand-text strong { display: block; font-size: 15px; }
.brand-text span { color: var(--muted); font-size: 12px; }

.side-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  overflow: auto;
  padding: 4px;
}
.side-nav button {
  width: 100%;
  text-align: left;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  border-radius: 12px;
  padding: 12px 12px;
  cursor: pointer;
  transition: all .22s var(--ease);
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}
.side-nav button:hover {
  color: var(--text);
  background: rgba(255,255,255,0.04);
  border-color: var(--line);
  transform: translateX(2px);
}
.side-nav button.active {
  color: #fff;
  background: linear-gradient(135deg, rgba(91,140,255,.28), rgba(139,92,246,.22));
  border-color: rgba(91,140,255,.35);
  box-shadow: 0 8px 22px rgba(91,140,255,.15);
}
.side-nav .ico {
  width: 22px;
  height: 22px;
  border-radius: 7px;
  display: grid;
  place-items: center;
  background: rgba(255,255,255,0.05);
  font-size: 12px;
}

.side-foot {
  padding: 10px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 8px;
}
.who-chip {
  font-size: 12px;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
  word-break: break-all;
}

.main {
  min-width: 0;
  padding: 22px 22px 40px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}
.topbar h1 {
  margin: 0;
  font-size: 22px;
  letter-spacing: .2px;
}
.topbar .sub {
  color: var(--muted);
  font-size: 13px;
  margin-top: 4px;
}

.menu-toggle {
  display: none;
  width: auto !important;
  min-width: 42px;
  padding: 10px 12px !important;
}

.backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(3, 6, 14, 0.55);
  backdrop-filter: blur(2px);
  z-index: 15;
}

/* ===== cards / forms ===== */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  animation: rise .45s var(--ease) both;
}
.card:nth-child(2) { animation-delay: .04s; }
.card:nth-child(3) { animation-delay: .08s; }
.card:nth-child(4) { animation-delay: .12s; }

@keyframes rise {
  from { opacity: 0; transform: translateY(10px) scale(.99); }
  to { opacity: 1; transform: none; }
}

h1,h2,h3 { margin: 0 0 12px; }
h2 { font-size: 17px; }
.muted { color: var(--muted); }
.panel { display: none; }
.panel.active { display: block; animation: rise .4s var(--ease); }

.grid { display: grid; gap: 12px; }
.grid.2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid.3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
@media (max-width: 960px) {
  .grid.3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 800px) {
  .grid.2, .grid.3 { grid-template-columns: 1fr; }
}

label { display:block; font-size: 12px; color: var(--muted); margin-bottom: 6px; letter-spacing: .2px; }
input, select, textarea, button {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  background: rgba(8, 14, 26, 0.85);
  color: var(--text);
  padding: 11px 12px;
  font-size: 14px;
  transition: border-color .2s, box-shadow .2s, transform .15s;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: rgba(91,140,255,.7);
  box-shadow: 0 0 0 3px rgba(91,140,255,.15);
}
button {
  background: linear-gradient(135deg, #6aa1ff 0%, var(--primary) 45%, #6d7dff 100%);
  border: 0;
  cursor: pointer;
  font-weight: 700;
  color: #fff;
  box-shadow: 0 10px 24px rgba(91,140,255,.22);
}
button:hover { transform: translateY(-1px); }
button:active { transform: translateY(0); }
button.secondary {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line-strong);
  box-shadow: none;
  color: var(--text);
  font-weight: 600;
}
button.danger {
  background: linear-gradient(135deg, #ff8a95, var(--danger));
  box-shadow: 0 10px 24px rgba(255,93,108,.2);
}
button:disabled {
  opacity: .55;
  cursor: not-allowed;
  transform: none !important;
}

.row { display:flex; gap:10px; flex-wrap: wrap; }
.row > * { flex: 1; min-width: 120px; }
.row.compact > * { flex: 0 0 auto; min-width: auto; width: auto; }

table { width:100%; border-collapse: collapse; font-size: 13px; }
th, td { border-bottom: 1px solid var(--line); padding: 12px 8px; text-align: left; vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 12px; }
tr { transition: background .15s; }
tbody tr:hover { background: rgba(255,255,255,0.02); }

.tag {
  display:inline-flex; align-items:center; gap:6px;
  padding: 3px 10px; border-radius: 999px;
  background: rgba(255,255,255,0.04); border: 1px solid var(--line);
  font-size: 12px; white-space: nowrap;
}
.tag.ok { color: var(--ok); border-color: rgba(61,220,151,.35); background: rgba(61,220,151,.08); }
.tag.bad { color: var(--danger); border-color: rgba(255,93,108,.35); background: rgba(255,93,108,.08); }
.tag.warn { color: var(--warn); border-color: rgba(255,200,87,.35); background: rgba(255,200,87,.08); }
.tag.pro { color: #c4b5fd; border-color: rgba(139,92,246,.4); background: rgba(139,92,246,.12); }

.toast {
  position: fixed; right: 16px; top: 16px; z-index: 99;
  background: rgba(18, 28, 48, 0.95); border: 1px solid var(--line);
  padding: 12px 14px; border-radius: 12px; max-width: 380px;
  display: none;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  animation: rise .25s var(--ease);
}
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; word-break: break-all; }
.hidden { display:none !important; }

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
@media (max-width: 960px) { .stats { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .stats { grid-template-columns: 1fr; } }
.stat {
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
}
.stat .k { color: var(--muted); font-size: 12px; }
.stat .v { font-size: 22px; font-weight: 800; margin-top: 6px; letter-spacing: .3px; }

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card {
  width: min(440px, 100%);
  animation: rise .5s var(--ease);
}
.login-card .logo-line {
  display: flex; align-items: center; gap: 12px; margin-bottom: 16px;
}

.table-wrap { overflow: auto; margin-top: 12px; border-radius: 12px; }
.hint-box {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px dashed var(--line-strong);
  background: rgba(91,140,255,0.06);
  color: var(--muted);
  font-size: 13px;
}
.field-hidden { display: none !important; }

/* mobile sidebar */
@media (max-width: 900px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    left: 0; top: 0; bottom: 0;
    width: min(86vw, 300px);
    transform: translateX(-105%);
    transition: transform .28s var(--ease);
    box-shadow: 20px 0 50px rgba(0,0,0,.35);
  }
  .sidebar.open { transform: translateX(0); }
  .menu-toggle { display: inline-flex; }
  body.sidebar-open .backdrop { display: block; }
  .main { padding: 16px 14px 36px; }
  .topbar h1 { font-size: 18px; }
}

/* modal */
.modal-mask {
  position: fixed; inset: 0; z-index: 80;
  background: rgba(4, 8, 18, 0.72);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
}
.modal-mask.open { display: flex; animation: rise .2s var(--ease); }
.modal {
  width: min(720px, 100%);
  max-height: min(88vh, 900px);
  overflow: auto;
  border-radius: 18px;
  border: 1px solid var(--line-strong);
  background: linear-gradient(180deg, rgba(22,32,54,.98), rgba(12,18,32,.98));
  box-shadow: 0 30px 80px rgba(0,0,0,.45);
  padding: 18px 18px 16px;
}
.modal h2 { margin: 0 0 6px; font-size: 18px; }
.modal .modal-sub { color: var(--muted); font-size: 13px; margin-bottom: 14px; }
.modal-actions { display:flex; gap:10px; flex-wrap:wrap; justify-content:flex-end; margin-top: 14px; }
.modal-actions button { width: auto; min-width: 96px; }
.check-cell { width: 36px; }
.check-cell input { width: 16px; height: 16px; padding: 0; }
.toolbar { display:flex; gap:8px; flex-wrap:wrap; align-items:center; margin: 10px 0 4px; }
.toolbar button { width: auto; }
.toolbar .spacer { flex: 1; }
.stat-mini { font-size: 12px; color: var(--muted); }
.stat-mini b { color: var(--text); font-weight: 700; }

/* reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}