/* CourseOrbit dashboard theme.
   Design tokens mirror test.courseorbit.com/assets/css/main.css so the
   dashboard reads as part of the same product family. */

:root {
  --color-ink: #14181f;
  --color-ink-soft: #3a4150;
  --color-paper: #ffffff;
  --color-paper-alt: #f4f6f8;
  --color-border: #d7dce2;
  --color-focus: #1a4fd6;
  --color-link: #144fc4;

  /* Brand orange from the crescent logo. --color-brand is decorative only;
     --color-brand-strong holds 4.5:1 contrast on white for buttons/text. */
  --color-brand: #f94d00;
  --color-brand-strong: #c03d00;
  --color-brand-deep: #8f2e00;

  --color-accent: #144fc4;
  --color-accent-dark: #0d3894;
  --color-accent-soft: #eaf0fd;

  --color-success-bg: #e6f4ea;
  --color-success-ink: #1e4620;
  --color-danger-bg: #fbe9e9;
  --color-danger-ink: #7a1f1f;

  --font-sans: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow-sm: 0 1px 3px rgba(20, 24, 31, 0.08), 0 1px 2px rgba(20, 24, 31, 0.06);
  --shadow-md: 0 8px 24px rgba(20, 24, 31, 0.10), 0 2px 6px rgba(20, 24, 31, 0.06);

  --bs-body-font-family: var(--font-sans);
}

body.co-dashboard {
  font-family: var(--font-sans);
  background-color: var(--color-paper-alt);
  color: var(--color-ink);
}

/* ---- Header ---- */
.co-dashboard .app-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-paper) !important;
}

.co-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-brand-strong);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
}

/* ---- Sidebar: dark ink like the marketing site's footer/nav ---- */
.co-dashboard .app-sidebar {
  background-color: var(--color-ink) !important;
}
.co-dashboard .sidebar-brand {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.co-brand-logo {
  height: 1.8rem;
  width: 1.8rem;
  filter: brightness(0) invert(1);
}
.co-dashboard .brand-text { color: #ffffff; letter-spacing: 0.01em; }
.co-brand-orange { color: var(--color-brand); }

.co-dashboard .app-sidebar .nav-header {
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  padding: 0.9rem 1rem 0.35rem;
  color: rgba(255, 255, 255, 0.45);
}
.co-dashboard .app-sidebar .nav-link {
  color: rgba(255, 255, 255, 0.78);
  border-radius: var(--radius-sm);
}
.co-dashboard .app-sidebar .nav-link:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}
.co-dashboard .app-sidebar .nav-link.active {
  background: var(--color-brand-strong);
  color: #ffffff;
}

/* ---- Cards, tables, buttons ---- */
.co-dashboard .card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.co-dashboard .card-header {
  background: transparent;
  border-bottom: 1px solid var(--color-border);
  font-weight: 600;
}

.co-dashboard a { color: var(--color-link); }
.co-dashboard .btn-primary {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}
.co-dashboard .btn-primary:hover,
.co-dashboard .btn-primary:focus {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
}
.co-dashboard .btn-brand {
  background-color: var(--color-brand-strong);
  border-color: var(--color-brand-strong);
  color: #ffffff;
}
.co-dashboard .btn-brand:hover,
.co-dashboard .btn-brand:focus {
  background-color: var(--color-brand-deep);
  border-color: var(--color-brand-deep);
  color: #ffffff;
}

.co-dashboard .table > :not(caption) > * > * { vertical-align: middle; }
.co-dashboard .app-content-header h3 { color: var(--color-ink); }

/* Stat cards on home */
.co-stat-card { border-left: 4px solid var(--color-accent); }
.co-stat-card.co-stat-brand { border-left-color: var(--color-brand-strong); }
.co-stat-card.co-stat-success { border-left-color: #1e7c3a; }
.co-stat-card .co-stat-value { font-size: 1.75rem; font-weight: 700; color: var(--color-ink); }
.co-stat-card .co-stat-label { color: var(--color-ink-soft); font-size: 0.85rem; }

/* ---- Login screen ---- */
.co-login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-ink);
  font-family: var(--font-sans);
}
.co-login-card {
  width: 100%;
  max-width: 420px;
  background: var(--color-paper);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.co-login-header {
  background: var(--color-ink);
  color: #fff;
  padding: 1.75rem 2rem;
  text-align: center;
  border-bottom: 3px solid var(--color-brand);
}
.co-login-header img { height: 3rem; filter: brightness(0) invert(1); }
.co-login-body { padding: 2rem; }
.co-otp-input {
  font-size: 1.6rem;
  letter-spacing: 0.6rem;
  text-align: center;
  font-weight: 700;
}