@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg: #080b10;
  --bg-elevated: #0e1219;
  --sidebar: #0a0d14;
  --card: #11161f;
  --card-hover: #151b26;
  --border: rgba(255, 255, 255, 0.06);
  --border-strong: rgba(255, 255, 255, 0.1);
  --text: #eef2f7;
  --dim: #7b8798;
  --muted: #4a5568;
  --accent: #5eead4;
  --accent-dim: rgba(94, 234, 212, 0.12);
  --accent-text: #0d9488;
  --green: #34d399;
  --green-dim: rgba(52, 211, 153, 0.12);
  --red: #f87171;
  --red-dim: rgba(248, 113, 113, 0.12);
  --warn: #fbbf24;
  --warn-dim: rgba(251, 191, 36, 0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
  --font: 'DM Sans', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --sidebar-w: 240px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  min-height: 100vh;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(94, 234, 212, 0.07), transparent),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(59, 130, 246, 0.04), transparent);
  pointer-events: none;
  z-index: 0;
}

a { color: var(--accent); text-decoration: none; transition: color 0.15s; }
a:hover { color: #99f6e4; }

/* ── Layout ── */
.app-shell {
  display: flex;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 20px 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 10px 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: linear-gradient(135deg, #14b8a6, #0d9488);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.75rem;
  color: #042f2e;
}

.brand-text strong { display: block; font-size: 0.95rem; letter-spacing: -0.02em; }
.brand-text span { font-size: 0.7rem; color: var(--dim); }

.nav-links { display: flex; flex-direction: column; gap: 2px; flex: 1; }

.nav-links a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--dim);
  font-size: 0.875rem;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
}

.nav-links a:hover { background: rgba(255,255,255,0.04); color: var(--text); }
.nav-links a.active {
  background: var(--accent-dim);
  color: var(--accent);
}

.sidebar-footer {
  padding-top: 16px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.main {
  flex: 1;
  min-width: 0;
  padding: 28px 32px 48px;
  max-width: 1280px;
}

/* ── Page header ── */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.page-header h1 {
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.page-header .subtitle { color: var(--dim); font-size: 0.9rem; margin-top: 4px; }

/* ── Cards & grid ── */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  transition: border-color 0.15s, background 0.15s;
}

.card:hover { border-color: var(--border-strong); background: var(--card-hover); }

.card h3 {
  font-size: 0.7rem;
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  margin-bottom: 8px;
}

.card .val {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.card .val.accent { color: var(--accent); }
.card .val.green { color: var(--green); }

.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 24px;
}

.panel-head {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.panel-head h2 { font-size: 0.95rem; font-weight: 600; }

.panel-body { padding: 0; }

/* ── Tables ── */
.table-wrap { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }

th, td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--dim);
  font-weight: 600;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: rgba(0,0,0,0.15);
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,0.02); }
tr.stop-loss td { background: var(--red-dim); }

/* ── Badges ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge-green { background: var(--green-dim); color: var(--green); }
.badge-red { background: var(--red-dim); color: var(--red); }
.badge-warn { background: var(--warn-dim); color: var(--warn); }
.badge-accent { background: var(--accent-dim); color: var(--accent); }
.badge-muted { background: rgba(255,255,255,0.05); color: var(--dim); }

.badge-dot::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 16px;
  background: linear-gradient(135deg, #14b8a6, #0d9488);
  color: #042f2e;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.1s;
}

.btn:hover { opacity: 0.92; }
.btn:active { transform: scale(0.98); }

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text);
}

.btn-outline:hover { background: rgba(255,255,255,0.04); border-color: var(--dim); }

.btn-sm { padding: 6px 12px; font-size: 0.8rem; }

.btn.is-loading { opacity: 0.6; pointer-events: none; }

.btn-group { display: flex; gap: 8px; flex-wrap: wrap; }

.btn-group .btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

/* ── Forms ── */
input, select, textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.875rem;
  margin-bottom: 12px;
  transition: border-color 0.15s, box-shadow 0.15s;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

label {
  display: block;
  font-size: 0.78rem;
  color: var(--dim);
  font-weight: 500;
  margin-bottom: 5px;
}

pre, code {
  font-family: var(--mono);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
}

pre { padding: 14px 16px; overflow-x: auto; display: block; word-break: break-all; }
code { padding: 2px 6px; display: inline; }

/* ── Login ── */
.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  position: relative;
  z-index: 1;
}

.login-box {
  width: 100%;
  max-width: 400px;
  padding: 36px 32px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.login-box .brand { border: none; margin-bottom: 28px; padding: 0; justify-content: center; }

.login-box h1 {
  text-align: center;
  font-size: 1.25rem;
  margin-bottom: 24px;
  font-weight: 600;
}

.alert-error {
  padding: 10px 14px;
  background: var(--red-dim);
  border: 1px solid rgba(248,113,113,0.25);
  border-radius: var(--radius-sm);
  color: #fca5a5;
  font-size: 0.85rem;
  margin-bottom: 16px;
}

/* ── Filters bar ── */
.filters {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: flex-end;
  margin-bottom: 20px;
}

.filters > div { flex: 1; min-width: 140px; }
.filters label { margin-bottom: 4px; }
.filters input, .filters select { margin-bottom: 0; }

/* ── Online indicator ── */
.online-pulse {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--green);
  font-size: 0.8rem;
  font-weight: 500;
}

.online-pulse::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.empty-state {
  padding: 48px 24px;
  text-align: center;
  color: var(--dim);
}

@media (max-width: 900px) {
  .sidebar {
    width: 72px;
    padding: 16px 8px;
    align-items: center;
  }
  .brand-text, .nav-links a span { display: none; }
  .brand { justify-content: center; padding-bottom: 16px; }
  .nav-links a {
    justify-content: center;
    padding: 12px 8px;
    font-size: 0.7rem;
    text-align: center;
  }
  .sidebar-footer .badge { font-size: 0.6rem; padding: 2px 6px; }
  .main { padding: 20px 16px; }
}