/* ============================================================================
   Perpetuals — Tokenized Securities Monitoring Portal
   Design system: dark-first fintech dashboard, brand orange #FC8800.
   Theme switching via [data-theme] on <html>; every color is a token below.
   ========================================================================== */

:root, :root[data-theme="dark"] {
  --bg:            #0d1117;
  --bg-raised:     #151b23;
  --bg-hover:      #1c242e;
  --bg-inset:      #0a0e13;
  --border:        #262f3a;
  --border-strong: #38434f;
  --text:          #e6e9ee;
  --text-mut:      #9aa4b2;
  --text-faint:    #6b7683;
  --accent:        #fc8800;
  --accent-soft:   rgba(252, 136, 0, 0.12);
  --accent-strong: #ffa033;
  --good:          #3fb950;
  --good-soft:     rgba(63, 185, 80, 0.14);
  --warn:          #d29922;
  --warn-soft:     rgba(210, 153, 34, 0.15);
  --bad:           #f85149;
  --bad-soft:      rgba(248, 81, 73, 0.14);
  --info:          #58a6ff;
  --info-soft:     rgba(88, 166, 255, 0.13);
  --chart-grid:    rgba(154, 164, 178, 0.13);
  --shadow:        0 8px 28px rgba(0, 0, 0, 0.45);
  --logo-dark:     inline-block;
  --logo-light:    none;
}

:root[data-theme="light"] {
  --bg:            #f6f7f9;
  --bg-raised:     #ffffff;
  --bg-hover:      #f0f2f5;
  --bg-inset:      #eceef2;
  --border:        #dfe3e8;
  --border-strong: #c6ccd4;
  --text:          #1a2330;
  --text-mut:      #5a6572;
  --text-faint:    #8b95a1;
  --accent:        #e07800;
  --accent-soft:   rgba(224, 120, 0, 0.10);
  --accent-strong: #fc8800;
  --good:          #1a7f37;
  --good-soft:     rgba(26, 127, 55, 0.10);
  --warn:          #9a6700;
  --warn-soft:     rgba(154, 103, 0, 0.11);
  --bad:           #cf222e;
  --bad-soft:      rgba(207, 34, 46, 0.09);
  --info:          #0969da;
  --info-soft:     rgba(9, 105, 218, 0.09);
  --chart-grid:    rgba(90, 101, 114, 0.14);
  --shadow:        0 6px 22px rgba(26, 35, 48, 0.10);
  --logo-dark:     none;
  --logo-light:    inline-block;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; }
a { color: var(--info); text-decoration: none; }
a:hover { text-decoration: underline; }

img.logo { height: 19px; max-width: 100%; object-fit: contain; object-position: left center; }
img.logo.logo-dark  { display: var(--logo-dark); }
img.logo.logo-light { display: var(--logo-light); }

/* ---------- layout ---------- */
#app { display: none; height: 100vh; }
#app.ready { display: flex; }

.sidebar {
  width: 232px; min-width: 232px;
  background: var(--bg-raised);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  padding: 18px 12px;
  gap: 4px;
}
.sidebar .brand { padding: 4px 10px 20px; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: 8px;
  color: var(--text-mut); cursor: pointer;
  font-weight: 500; user-select: none;
  border: none; background: transparent; width: 100%; text-align: left; font-size: 14px;
}
.nav-item:hover { background: var(--bg-hover); color: var(--text); text-decoration: none; }
.nav-item.active { background: var(--accent-soft); color: var(--accent-strong); }
.nav-item .ico { width: 18px; height: 18px; flex: none; }
.sidebar .foot { margin-top: auto; padding: 10px 12px; color: var(--text-faint); font-size: 11.5px; }

.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
  height: 58px; flex: none;
  display: flex; align-items: center; gap: 14px;
  padding: 0 22px;
  background: var(--bg-raised);
  border-bottom: 1px solid var(--border);
}
.topbar .page-title { font-size: 16px; font-weight: 650; }
.topbar .spacer { flex: 1; }
.topbar .clock { color: var(--text-faint); font-size: 12px; }

.content { flex: 1; overflow-y: auto; padding: 22px; }
.content > * + * { margin-top: 18px; }

/* ---------- cards / grids ---------- */
.grid { display: grid; gap: 14px; }
.grid.kpis { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.grid.two  { grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); }

.card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
}
.card h3 {
  font-size: 12px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--text-mut); margin-bottom: 12px;
}
.card .sub { color: var(--text-faint); font-size: 12px; }

.kpi .value { font-size: 26px; font-weight: 700; letter-spacing: -0.01em; }
.kpi .value small { font-size: 14px; font-weight: 500; color: var(--text-mut); }
.kpi .label { color: var(--text-mut); font-size: 12.5px; margin-top: 2px; }
.kpi .trend { font-size: 12px; margin-top: 6px; }

.chart-wrap { position: relative; height: 260px; }
.chart-wrap.tall { height: 300px; }

/* ---------- badges / status ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  border-radius: 999px; padding: 2px 10px 2px 8px;
  font-size: 12px; font-weight: 600; white-space: nowrap;
}
.badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.badge.good { color: var(--good); background: var(--good-soft); }
.badge.warn { color: var(--warn); background: var(--warn-soft); }
.badge.bad  { color: var(--bad);  background: var(--bad-soft); }
.badge.info { color: var(--info); background: var(--info-soft); }
.badge.mut  { color: var(--text-mut); background: var(--bg-hover); }

.banner {
  display: flex; align-items: center; gap: 12px;
  border-radius: 12px; padding: 12px 18px; font-weight: 600;
  border: 1px solid var(--border);
}
.banner.good { background: var(--good-soft); color: var(--good); border-color: transparent; }
.banner.bad  { background: var(--bad-soft);  color: var(--bad);  border-color: transparent; }
.banner.warn { background: var(--warn-soft); color: var(--warn); border-color: transparent; }

/* ---------- tables ---------- */
.table-card { padding: 0; overflow: hidden; }
.table-card .table-head {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 14px 18px; border-bottom: 1px solid var(--border);
}
.table-card .table-head h3 { margin: 0; }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th {
  text-align: left; font-weight: 600; font-size: 11.5px; letter-spacing: 0.05em;
  text-transform: uppercase; color: var(--text-faint);
  padding: 10px 14px; border-bottom: 1px solid var(--border);
  background: var(--bg-inset);
  white-space: nowrap;
}
tbody td { padding: 10px 14px; border-bottom: 1px solid var(--border); white-space: nowrap; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--bg-hover); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.addr { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12px; }
.empty-row td { text-align: center; color: var(--text-faint); padding: 26px; }

.pager {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 18px; border-top: 1px solid var(--border);
  color: var(--text-mut); font-size: 12.5px; flex-wrap: wrap;
}
.pager .spacer { flex: 1; }
.pager button {
  background: var(--bg-hover); color: var(--text);
  border: 1px solid var(--border); border-radius: 7px;
  padding: 5px 11px; cursor: pointer; font-size: 12.5px;
}
.pager button:disabled { opacity: 0.4; cursor: default; }
.pager button:not(:disabled):hover { border-color: var(--border-strong); }
.pager select, .filters select, .filters input {
  background: var(--bg-hover); color: var(--text);
  border: 1px solid var(--border); border-radius: 7px;
  padding: 5px 8px; font-size: 12.5px;
}

.filters { display: flex; gap: 8px; align-items: center; }

/* ---------- progress / meters ---------- */
.meter { height: 8px; border-radius: 999px; background: var(--bg-inset); overflow: hidden; min-width: 90px; }
.meter > i { display: block; height: 100%; border-radius: 999px; background: var(--good); }
.meter > i.warn { background: var(--warn); }
.meter > i.bad { background: var(--bad); }

/* ---------- buttons / controls ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent); color: #fff;
  border: none; border-radius: 8px;
  padding: 9px 16px; font-size: 13.5px; font-weight: 600;
  cursor: pointer;
}
.btn:hover { background: var(--accent-strong); }
.btn.ghost {
  background: transparent; color: var(--text-mut);
  border: 1px solid var(--border);
}
.btn.ghost:hover { color: var(--text); border-color: var(--border-strong); background: var(--bg-hover); }
.icon-btn {
  width: 34px; height: 34px; border-radius: 8px; border: 1px solid var(--border);
  background: transparent; color: var(--text-mut); cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
}
.icon-btn:hover { color: var(--text); background: var(--bg-hover); }

.user-chip {
  display: flex; align-items: center; gap: 9px;
  padding: 5px 10px; border-radius: 999px;
  background: var(--bg-hover); border: 1px solid var(--border);
  font-size: 12.5px; color: var(--text-mut);
}
.user-chip .avatar {
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--accent); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700;
}

/* ---------- login ---------- */
#login {
  display: none; height: 100vh;
  align-items: center; justify-content: center;
  background:
    radial-gradient(1100px 500px at 85% -10%, var(--accent-soft), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, var(--info-soft), transparent 55%),
    var(--bg);
}
#login.show { display: flex; }
.login-card {
  width: 400px; max-width: calc(100vw - 40px);
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 38px 36px 30px;
  box-shadow: var(--shadow);
}
.login-card .brand { display: flex; justify-content: center; margin-bottom: 8px; }
.login-card img.logo { height: 26px; }
.login-card .tagline { text-align: center; color: var(--text-mut); font-size: 13px; margin-bottom: 26px; }
.login-card label { display: block; font-size: 12px; font-weight: 600; color: var(--text-mut); margin: 14px 0 6px; }
.login-card input {
  width: 100%; padding: 10px 12px;
  background: var(--bg-inset); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px; font-size: 14px;
}
.login-card input:focus { outline: none; border-color: var(--accent); }
.login-card .btn { width: 100%; justify-content: center; margin-top: 22px; }
.login-card .err { color: var(--bad); font-size: 12.5px; margin-top: 12px; min-height: 18px; text-align: center; }
.login-card .foot { margin-top: 18px; text-align: center; color: var(--text-faint); font-size: 11.5px; }
.login-theme { position: fixed; top: 18px; right: 18px; }

/* ---------- misc ---------- */
.skeleton { color: var(--text-faint); padding: 30px; text-align: center; }
.two-col { display: grid; grid-template-columns: 2fr 1fr; gap: 14px; }
@media (max-width: 1100px) { .two-col { grid-template-columns: 1fr; } }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; font-size: 13px; }
.kv dt { color: var(--text-mut); }
.kv dd { text-align: right; overflow: hidden; text-overflow: ellipsis; }
.section-note { color: var(--text-faint); font-size: 12px; }
