@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=Orbitron:wght@500;600&display=swap");

:root {
  --bg: #070b14;
  --bg-2: #0c1424;
  --panel: rgba(16, 24, 40, 0.82);
  --panel-solid: #101828;
  --line: rgba(56, 189, 248, 0.22);
  --line-strong: rgba(56, 189, 248, 0.45);
  --text: #e8f1ff;
  --muted: #8aa0b8;
  --accent: #22d3ee;
  --accent-2: #38bdf8;
  --accent-deep: #0ea5e9;
  --ok: #34d399;
  --bad: #fb7185;
  --shadow: 0 0 0 1px rgba(56, 189, 248, 0.08), 0 18px 50px rgba(0, 0, 0, 0.45);
  --radius: 14px;
  --font: "IBM Plex Sans", "Segoe UI", sans-serif;
  --font-display: "Orbitron", "IBM Plex Sans", sans-serif;
}
* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 12% -10%, rgba(14, 165, 233, 0.18), transparent 55%),
    radial-gradient(900px 500px at 90% 10%, rgba(34, 211, 238, 0.1), transparent 50%),
    linear-gradient(180deg, var(--bg-2), var(--bg) 40%, #05080f);
  background-attachment: fixed;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(56, 189, 248, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, #000 35%, transparent 80%);
}
body > * { position: relative; z-index: 1; }
a { color: var(--accent-2); text-decoration: none; }
a:hover { color: #7dd3fc; }

.topbar {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  padding: 12px 20px;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 14, 26, 0.75);
  backdrop-filter: blur(12px);
}
.topbar nav a {
  margin-right: 16px;
  color: var(--muted);
  font-weight: 500;
  letter-spacing: 0.02em;
}
.topbar nav a:last-child { margin-right: 0; }
.topbar nav a.active {
  color: var(--accent);
  text-shadow: 0 0 18px rgba(34, 211, 238, 0.35);
}

.main { padding: 16px; max-width: 1200px; margin: 0 auto; }
body.page-desk .main,
body.page-dashboard .main {
  max-width: 1800px;
  width: 100%;
  margin: 0 auto;
  padding: 12px clamp(16px, 3vw, 48px) 20px;
}
body.page-login {
  min-height: 100vh;
}
body.page-login .main {
  max-width: none;
  min-height: 100vh;
  margin: 0;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-head { display: flex; align-items: center; gap: 12px; }
.page-head h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.muted { color: var(--muted); font-size: 0.9rem; }
.flash {
  background: rgba(14, 165, 233, 0.12);
  border: 1px solid var(--line-strong);
  padding: 8px 12px;
  border-radius: 10px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
}

/* —— 登录 —— */
.login-wrap {
  width: 100%;
  max-width: 420px;
}
.login-card {
  width: 100%;
  margin: 0;
  padding: 32px 28px 28px;
  border-radius: 18px;
  background: linear-gradient(160deg, rgba(18, 32, 54, 0.92), rgba(10, 16, 28, 0.95));
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(16px);
}
.login-card h1 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  background: linear-gradient(90deg, #e0f2fe, var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.login-card .login-sub {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.45;
}
.login-card .stack label {
  display: block;
  margin: 0 0 14px;
  font-size: 0.82rem;
  color: #b6c7da;
  font-weight: 500;
}
.login-card input {
  margin-top: 6px;
  padding: 11px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(5, 10, 18, 0.85);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.login-card input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
}
.login-card button[type="submit"] {
  width: 100%;
  margin-top: 8px;
  padding: 12px 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  background: linear-gradient(90deg, var(--accent-deep), var(--accent));
  color: #041018;
  box-shadow: 0 8px 24px rgba(14, 165, 233, 0.28);
}
.login-card button[type="submit"]:hover {
  filter: brightness(1.05);
}

.stack label, .form-grid label { display: block; margin: 8px 0; }
input[type="text"], input[type="password"], input:not([type]) {
  width: 100%;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #0a1220;
  color: var(--text);
}
button, .btn {
  display: inline-block;
  margin-top: 8px;
  padding: 8px 12px;
  border-radius: 8px;
  border: 0;
  background: linear-gradient(90deg, var(--accent-deep), #06b6d4);
  color: #041018;
  font-weight: 600;
  cursor: pointer;
}
.btn:hover, button:hover { filter: brightness(1.06); }
.btn-danger { background: #9f1239; color: #fff; }
.btn-sm {
  padding: 3px 8px;
  font-size: 0.75rem;
  border-radius: 6px;
  font-weight: 600;
}
.btn[disabled] {
  opacity: 0.45;
  cursor: not-allowed;
  filter: none;
}
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  margin: 14px 0;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
  align-items: end;
}
.check { display: flex !important; align-items: center; gap: 8px; }
.inst-row { margin: 10px 0; border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px; }
.overview-table-wrap {
  overflow-x: auto;
  margin: 12px auto 0;
  width: fit-content;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}
.overview-table {
  width: auto;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 0.88rem;
  margin: 0 auto;
}
body.page-dashboard #overview-status {
  text-align: center;
}
body.page-dashboard .page-head {
  justify-content: center;
}
.overview-table th,
.overview-table td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(56, 189, 248, 0.12);
  text-align: left;
  vertical-align: top;
}
.overview-table th {
  color: var(--accent-2);
  font-weight: 600;
  background: rgba(8, 16, 30, 0.9);
  white-space: nowrap;
  letter-spacing: 0.03em;
}
.overview-table tr:last-child td { border-bottom: 0; }
.overview-table .status-on { color: var(--ok); }
.overview-table .status-off { color: var(--bad); }
.overview-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.overview-actions .btn { margin-top: 0; }
.pos-brief {
  margin: 0;
  padding-left: 1.1em;
  color: var(--muted);
  font-size: 0.8rem;
}
.pos-brief li {
  margin: 2px 0;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
  margin-top: 12px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  box-shadow: var(--shadow);
}
.card .status-on { color: var(--ok); }
.card .status-off { color: var(--bad); }
.card table { width: 100%; font-size: 0.8rem; border-collapse: collapse; }
.card td, .card th { border-bottom: 1px solid var(--line); padding: 4px 2px; text-align: left; }

.desk {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 12px;
  min-height: calc(100vh - 70px);
  max-width: none;
  transition: grid-template-columns 0.18s ease;
}
.desk.is-side-collapsed {
  grid-template-columns: 48px minmax(0, 1fr);
}
.desk-side {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px;
  min-width: 0;
  overflow: hidden;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}
.desk-side-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  margin-bottom: 8px;
}
.desk-side-title {
  margin: 0;
  font-size: 0.95rem;
  font-family: var(--font-display);
  letter-spacing: 0.04em;
  white-space: nowrap;
  color: var(--accent-2);
}
.desk-side-toggle {
  flex: 0 0 auto;
  margin-top: 0;
  width: 28px;
  height: 28px;
  padding: 0;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: rgba(8, 16, 30, 0.9);
  color: var(--text);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
}
.desk-side-toggle:hover { border-color: var(--accent); color: var(--accent); }
.desk-side-toggle--bar { display: none; }
.desk.is-side-collapsed .desk-side-title,
.desk.is-side-collapsed .desk-list-name,
.desk.is-side-collapsed .desk-list-empty { display: none; }
.desk.is-side-collapsed .desk-side { padding: 8px 6px; }
.desk.is-side-collapsed .desk-side-head {
  justify-content: center;
  margin-bottom: 0;
}
.desk.is-side-collapsed .desk-side-toggle { transform: rotate(180deg); }
.desk.is-side-collapsed .desk-list { display: none; }
.desk.is-side-collapsed .desk-side-toggle--bar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.desk-list { list-style: none; padding: 0; margin: 0; }
.desk-list li { margin: 6px 0; }
.desk-list li a {
  display: block;
  padding: 7px 9px;
  border-radius: 8px;
  color: var(--muted);
  border: 1px solid transparent;
}
.desk-list li a:hover {
  background: rgba(34, 211, 238, 0.08);
  color: #fff;
  border-color: rgba(34, 211, 238, 0.2);
}
.desk-list li.active a {
  color: #fff;
  font-weight: 600;
  background: rgba(34, 211, 238, 0.16);
  border-color: rgba(34, 211, 238, 0.35);
}
.desk-main { display: flex; flex-direction: column; min-height: calc(100vh - 70px); min-width: 0; }
.desk-toolbar {
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
  margin-bottom: 8px;
}
.desk-frame {
  flex: 1;
  width: 100%;
  min-height: calc(100vh - 130px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #000;
  box-shadow: var(--shadow);
}
.empty { padding: 40px; color: var(--muted); }
.settings-card { max-width: 480px; }
.settings-form { max-width: 420px; }
input.readonly {
  opacity: 0.75;
  cursor: default;
}
.pnl-up { color: var(--ok); font-weight: 600; }
.pnl-down { color: var(--bad); font-weight: 600; }
.pnl-flat { color: var(--muted); }
.liq-ok { color: var(--text); }
.liq-warn {
  color: #fbbf24;
  font-weight: 600;
}
.liq-brief--warn {
  border-left: 2px solid rgba(251, 191, 36, 0.7);
  padding-left: 8px;
}

@media (max-width: 800px) {
  .desk,
  .desk.is-side-collapsed { grid-template-columns: 1fr; }
  .desk-side-toggle--bar { display: none !important; }
}
@media (min-width: 2000px) {
  body.page-desk .main,
  body.page-dashboard .main {
    max-width: 1800px;
    padding-left: clamp(32px, 6vw, 96px);
    padding-right: clamp(32px, 6vw, 96px);
  }
}