:root {
  --primary: #0f172a;      /* Deep Slate Blue */
  --secondary: #0284c7;    /* Precision Cyan */
  --accent: #f97316;       /* Maker Orange */
  --bg: #f8fafc;           /* Canvas Off-White */
  --surface: #ffffff;      /* Pure White */
  --credit-gold: #eab308;  /* Credit Gold */
  --border: #e2e8f0;
  --text: #0f172a;
  --muted: #64748b;
  --danger: #dc2626;
  --font: Arial, Helvetica, sans-serif;
  --font-mono: Consolas, "Courier New", monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
}

header.topbar {
  background: var(--primary);
  color: #fff;
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

header.topbar .brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

header.topbar .brand strong { font-size: 18px; }
header.topbar .brand span { font-size: 12px; color: #94a3b8; }

#logout-btn {
  background: transparent;
  color: #cbd5e1;
  border: 1px solid #334155;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-family: var(--font);
}
#logout-btn:hover { color: #fff; border-color: #475569; }

.hidden { display: none !important; }

/* Login */
#login-view {
  min-height: calc(100vh - 54px);
  display: flex;
  align-items: center;
  justify-content: center;
}

#login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  width: 320px;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
}

#login-card h2 { margin-top: 0; font-size: 18px; }

.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 4px; }
.field input, .field select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--font);
  font-size: 14px;
}

button.primary {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 9px 16px;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
}
button.primary:hover { background: #ea6a0d; }
button.primary:disabled { background: #fdba8c; cursor: not-allowed; }

button.secondary {
  background: var(--surface);
  color: var(--secondary);
  border: 1px solid var(--secondary);
  padding: 7px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-family: var(--font);
  font-size: 13px;
}
button.secondary:hover { background: #f0f9ff; }

.error-text { color: var(--danger); font-size: 13px; margin-top: 8px; }
.ok-text { color: #16a34a; font-size: 13px; margin-top: 8px; }

/* App shell */
#app-view { display: flex; min-height: calc(100vh - 54px); }

nav.tabs {
  width: 200px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 16px 0;
  flex-shrink: 0;
}
nav.tabs button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 10px 20px;
  background: none;
  border: none;
  font-family: var(--font);
  font-size: 14px;
  color: var(--text);
  cursor: pointer;
  border-left: 3px solid transparent;
}
nav.tabs button:hover { background: #f1f5f9; }
nav.tabs button.active {
  border-left-color: var(--accent);
  background: #f1f5f9;
  font-weight: 600;
  color: var(--primary);
}

main.content { flex: 1; padding: 24px 32px; max-width: 980px; }
main.content h1 { font-size: 20px; margin: 0 0 4px; }
main.content .section-desc { color: var(--muted); font-size: 13px; margin: 0 0 20px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
}
.card h2 { font-size: 15px; margin: 0 0 14px; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.02em; }
td.mono, .mono { font-family: var(--font-mono); }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}
.badge.role-admin { background: #ede9fe; color: #6d28d9; }
.badge.role-partner { background: #dcfce7; color: #15803d; }
.badge.role-user { background: #e2e8f0; color: #475569; }

.credit-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  color: var(--credit-gold);
  font-weight: 700;
}

.inline-form { display: flex; gap: 8px; align-items: flex-end; flex-wrap: wrap; }
.inline-form .field { margin-bottom: 0; min-width: 120px; }

.row-actions { display: flex; gap: 6px; }

.empty-state { color: var(--muted); font-size: 13px; padding: 12px 0; }

/* Tools hub */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 20px;
}
.tool-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.tool-card h2 { font-size: 16px; margin: 0; color: var(--primary); }
.tool-card p { font-size: 13px; color: var(--muted); margin: 0; flex: 1; }
.tool-card a.primary {
  align-self: flex-start;
  text-decoration: none;
  background: var(--accent);
  color: #fff;
  padding: 8px 16px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 13px;
}
.tool-card a.primary:hover { background: #ea6a0d; }