/* =========================================================
   CCGA Platform — Theme: "Northbeam"
   A dark navy command-console aesthetic for GRC exam delivery.
   Display face: Sora (headings, dashboards)
   Body face: Inter
   Mono face: JetBrains Mono (timers, codes, room IDs)
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;600;700;800&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
  /* Core palette */
  --bg-primary:    #0a1428;   /* deep navy app background */
  --bg-secondary:  #11203f;   /* cards / panels */
  --bg-tertiary:   #1a2b52;   /* hover / elevated surfaces */
  --bg-elevated:   #1c2f5c;   /* elevated surface fallback */
  --border-color:  #233258;
  --border-soft:   #1c2c4f;

  /* Accent */
  --accent:        #2e6bff;   /* primary action blue */
  --accent-soft:   rgba(46,107,255,0.14);
  --accent-2:      #00c2d1;   /* teal highlight (progress, secondary accents) */
  --accent-2-soft: rgba(0,194,209,0.12);

  /* Text */
  --text-primary:   #eaf0ff;
  --text-secondary: #a8b6d9;
  --text-muted:     #6f80ab;

  /* Status */
  --success:  #2ecc71;
  --success-soft: rgba(46,204,113,0.12);
  --warning:  #f5a623;
  --warning-soft: rgba(245,166,35,0.12);
  --danger:   #e0445b;
  --danger-soft: rgba(224,68,91,0.12);

  /* Typography */
  --font-display: 'Sora', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  /* Radii & shadows */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-card: 0 1px 0 rgba(255,255,255,0.02), 0 8px 24px rgba(0,0,0,0.35);
  --glow-accent: 0 0 0 1px rgba(46,107,255,0.25), 0 0 24px rgba(46,107,255,0.10);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-primary);
  background-image:
    radial-gradient(circle at 10% 0%, rgba(46,107,255,0.08) 0%, transparent 40%),
    radial-gradient(circle at 90% 10%, rgba(0,194,209,0.06) 0%, transparent 35%);
  background-attachment: fixed;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  color: var(--text-primary);
  margin: 0 0 0.5em 0;
  letter-spacing: -0.01em;
}
h1 { font-size: 2rem; font-weight: 800; }
h2 { font-size: 1.5rem; font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 700; }
h4 { font-size: 1rem; font-weight: 600; }

p { color: var(--text-secondary); }

code, .mono, .room-code, .cert-code, .timer-value {
  font-family: var(--font-mono);
}

/* -----------------------------------------------------------
   LAYOUT SHELL
   ----------------------------------------------------------- */

.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 250px;
  flex-shrink: 0;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border-right: 1px solid var(--border-color);
  padding: 24px 18px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  padding: 0 6px;
}
.sidebar .brand .mark {
  width: 34px; height: 34px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 800; color: #061022;
  flex-shrink: 0;
}
.sidebar .brand .name { font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; }
.sidebar .brand .name small { display: block; font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-muted); font-weight: 400; letter-spacing: 0.08em; }

.nav-section { margin-bottom: 18px; }
.nav-section .label {
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--text-muted); padding: 0 10px; margin-bottom: 8px; font-weight: 600;
}
.nav-link {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px; border-radius: var(--radius-sm);
  color: var(--text-secondary); font-size: 0.92rem; font-weight: 500;
  margin-bottom: 2px; transition: background 0.15s, color 0.15s;
}
.nav-link:hover { background: var(--bg-tertiary); color: var(--text-primary); text-decoration: none; }
.nav-link.active { background: var(--accent-soft); color: var(--text-primary); border: 1px solid rgba(46,107,255,0.25); }
.nav-link .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--text-muted); flex-shrink: 0; }
.nav-link.active .dot { background: var(--accent-2); }

.main {
  flex: 1;
  padding: 28px 36px;
  max-width: 1200px;
}

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 24px; gap: 16px; flex-wrap: wrap;
}
.topbar .eyebrow {
  font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.12em;
  color: var(--accent-2); text-transform: uppercase; margin-bottom: 4px;
}
.user-chip {
  display: flex; align-items: center; gap: 10px;
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  border-radius: var(--radius-md); padding: 8px 14px; font-size: 0.85rem;
}
.user-chip .avatar {
  width: 30px; height: 30px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; color: #061022; font-size: 0.85rem;
}

/* -----------------------------------------------------------
   CARDS, BADGES, PROGRESS
   ----------------------------------------------------------- */

.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.2s, border-color 0.2s;
}
.card:hover { border-color: rgba(46,107,255,0.35); }
.card.glow:hover { box-shadow: var(--glow-accent), var(--shadow-card); }

.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }

.badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em;
  padding: 4px 10px; border-radius: 999px;
  font-family: var(--font-mono);
}
.badge-success { background: var(--success-soft); color: var(--success); }
.badge-warning { background: var(--warning-soft); color: var(--warning); }
.badge-danger  { background: var(--danger-soft); color: var(--danger); }
.badge-accent  { background: var(--accent-soft); color: #8fb1ff; }
.badge-muted   { background: var(--bg-tertiary); color: var(--text-muted); }

.progress-track {
  width: 100%; height: 8px; border-radius: 999px;
  background: var(--bg-tertiary); overflow: hidden;
}
.progress-fill {
  height: 100%; border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.4s ease;
}

.stat-value { font-family: var(--font-display); font-size: 1.9rem; font-weight: 800; }
.stat-label { font-size: 0.78rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; }

/* -----------------------------------------------------------
   FORMS & BUTTONS
   ----------------------------------------------------------- */

label { display: block; font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 6px; font-weight: 500; }

input[type=text], input[type=email], input[type=password], input[type=number],
input[type=date], input[type=datetime-local], select, textarea {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.92rem;
  margin-bottom: 14px;
  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-soft);
}
textarea { resize: vertical; min-height: 90px; font-family: var(--font-body); }
.form-row { display: flex; gap: 14px; flex-wrap: wrap; }
.form-row > * { flex: 1; min-width: 160px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-body); font-weight: 600; font-size: 0.9rem;
  padding: 10px 18px; border-radius: var(--radius-sm);
  border: 1px solid transparent; cursor: pointer;
  transition: transform 0.05s, opacity 0.15s, background 0.15s, border-color 0.15s;
  text-decoration: none;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #4a7dff; text-decoration: none; }
.btn-outline { background: transparent; border-color: var(--border-color); color: var(--text-primary); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent-2); text-decoration: none; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #ec5a70; text-decoration: none; }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* -----------------------------------------------------------
   AUTH SCREENS
   ----------------------------------------------------------- */

.auth-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.auth-card {
  width: 100%; max-width: 420px;
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow-card);
}
.auth-card .brand-row {
  display: flex; align-items: center; gap: 12px; margin-bottom: 24px;
}
.auth-card .brand-row .mark {
  width: 42px; height: 42px; border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 800; color: #061022; font-size: 1.1rem;
}
.auth-foot { margin-top: 18px; text-align: center; font-size: 0.85rem; color: var(--text-muted); }

/* -----------------------------------------------------------
   ALERTS
   ----------------------------------------------------------- */

.alert {
  border-radius: var(--radius-md); padding: 12px 16px; margin-bottom: 16px;
  font-size: 0.88rem; border: 1px solid;
}
.alert-success { background: var(--success-soft); border-color: rgba(46,204,113,0.35); color: var(--success); }
.alert-danger  { background: var(--danger-soft); border-color: rgba(224,68,91,0.35); color: var(--danger); }
.alert-info    { background: var(--accent-soft); border-color: rgba(46,107,255,0.35); color: #8fb1ff; }
.alert-warning { background: var(--warning-soft); border-color: rgba(245,166,35,0.35); color: var(--warning); }

/* -----------------------------------------------------------
   TABLES
   ----------------------------------------------------------- */

table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--border-soft); text-align: left; }
th { color: var(--text-muted); font-weight: 600; text-transform: uppercase; font-size: 0.72rem; letter-spacing: 0.08em; }
tr:hover td { background: rgba(255,255,255,0.015); }
.table-wrap { overflow-x: auto; border: 1px solid var(--border-color); border-radius: var(--radius-md); }
.table-wrap table { margin: 0; }
.table-wrap th, .table-wrap td { border-color: var(--border-soft); }
.table-wrap th:first-child, .table-wrap td:first-child { padding-left: 16px; }

/* -----------------------------------------------------------
   EXAM-SPECIFIC UI
   ----------------------------------------------------------- */

.exam-shell { display: flex; min-height: 100vh; }

.exam-sidebar {
  width: 260px; flex-shrink: 0;
  background: var(--bg-secondary); border-right: 1px solid var(--border-color);
  padding: 20px 16px; position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.exam-sidebar h4 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); margin-bottom: 12px; }

.section-group { margin-bottom: 18px; }
.section-group .section-title {
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--accent-2);
  text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 8px;
  display: flex; justify-content: space-between;
}
.q-pill-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
.q-pill {
  width: 100%; aspect-ratio: 1; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 0.75rem; font-weight: 600;
  background: var(--bg-tertiary); color: var(--text-muted);
  border: 1px solid var(--border-soft); cursor: pointer; transition: all 0.12s;
  text-decoration: none;
}
.q-pill:hover { border-color: var(--accent); text-decoration: none; }
.q-pill.answered { background: var(--success-soft); color: var(--success); border-color: rgba(46,204,113,0.3); }
.q-pill.flagged { border-color: var(--warning); color: var(--warning); }
.q-pill.current { background: var(--accent); color: #fff; border-color: var(--accent); }

.exam-main { flex: 1; padding: 24px 40px; max-width: 980px; margin: 0 auto; width: 100%; }

.exam-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  margin-bottom: 22px; padding-bottom: 18px; border-bottom: 1px solid var(--border-color);
  gap: 16px; flex-wrap: wrap;
}

.timer-pill {
  display: flex; align-items: center; gap: 10px;
  background: var(--bg-tertiary); border: 1px solid var(--border-color);
  border-radius: 999px; padding: 8px 18px;
  font-family: var(--font-mono); font-size: 1.05rem; font-weight: 700;
  color: var(--accent-2);
}
.timer-pill.warn { color: var(--warning); border-color: rgba(245,166,35,0.4); }
.timer-pill.danger {
  color: var(--danger); border-color: rgba(224,68,91,0.5);
  animation: pulse-danger 1.4s ease-in-out infinite;
}
@keyframes pulse-danger {
  0%, 100% { box-shadow: 0 0 0 0 rgba(224,68,91,0.0); }
  50% { box-shadow: 0 0 0 6px rgba(224,68,91,0.12); }
}
.timer-pill .dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; }

.scenario-box {
  background: var(--bg-tertiary); border: 1px solid var(--border-color); border-left: 3px solid var(--accent-2);
  border-radius: var(--radius-md); padding: 16px 18px; margin-bottom: 18px;
  font-size: 0.92rem; color: var(--text-secondary); white-space: pre-line;
}
.scenario-box .scenario-title { font-family: var(--font-display); font-weight: 700; color: var(--text-primary); margin-bottom: 6px; font-size: 0.95rem; }

.question-card {
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  border-radius: var(--radius-lg); padding: 26px; margin-bottom: 20px;
}
.question-meta {
  display: flex; gap: 10px; align-items: center; margin-bottom: 14px; flex-wrap: wrap;
}
.question-text { font-size: 1.05rem; color: var(--text-primary); margin-bottom: 18px; font-weight: 500; }

.option-list { display: flex; flex-direction: column; gap: 10px; }
.option-item {
  display: flex; align-items: center; gap: 12px;
  background: var(--bg-primary); border: 1px solid var(--border-color);
  border-radius: var(--radius-md); padding: 13px 16px; cursor: pointer;
  transition: border-color 0.12s, background 0.12s;
}
.option-item:hover { border-color: var(--accent); }
.option-item input { width: auto; margin: 0; flex-shrink: 0; accent-color: var(--accent); }
.option-item.selected { border-color: var(--accent); background: var(--accent-soft); }
.option-letter {
  width: 26px; height: 26px; border-radius: 6px; flex-shrink: 0;
  background: var(--bg-tertiary); display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 0.78rem; font-weight: 700; color: var(--text-muted);
}
.option-item.selected .option-letter { background: var(--accent); color: #fff; }

.matching-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.matching-col h5 { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); margin-bottom: 10px; }
.match-row { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.match-row .left-label { flex: 1; background: var(--bg-tertiary); border-radius: var(--radius-sm); padding: 10px 12px; font-size: 0.88rem; }
.match-row select { margin-bottom: 0; flex: 1; }

.ordering-list { display: flex; flex-direction: column; gap: 8px; }
.ordering-item {
  display: flex; align-items: center; gap: 12px;
  background: var(--bg-primary); border: 1px solid var(--border-color);
  border-radius: var(--radius-md); padding: 10px 14px;
}
.ordering-item .handle { font-family: var(--font-mono); color: var(--text-muted); cursor: grab; }
.ordering-item select { margin: 0; width: 80px; flex-shrink: 0; }

.practical-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 20px; }
@media (max-width: 900px) { .practical-grid { grid-template-columns: 1fr; } }
.practical-brief {
  background: var(--bg-tertiary); border: 1px solid var(--border-color);
  border-radius: var(--radius-md); padding: 18px; font-size: 0.9rem;
  white-space: pre-line; color: var(--text-secondary); max-height: 520px; overflow-y: auto;
}
.practical-editor textarea { min-height: 420px; font-family: var(--font-mono); font-size: 0.85rem; }

.exam-footer-nav {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border-color);
  gap: 12px; flex-wrap: wrap;
}

/* -----------------------------------------------------------
   CERTIFICATE
   ----------------------------------------------------------- */

.certificate {
  max-width: 800px; margin: 0 auto; padding: 60px;
  background: linear-gradient(135deg, #0e1c3a 0%, #0a1428 100%);
  border: 2px solid var(--accent); border-radius: var(--radius-lg);
  text-align: center; position: relative; overflow: hidden;
}
.certificate::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(0,194,209,0.12), transparent 60%);
}
.certificate .cert-eyebrow { font-family: var(--font-mono); letter-spacing: 0.2em; color: var(--accent-2); font-size: 0.8rem; text-transform: uppercase; }
.certificate h1 { font-size: 2.4rem; margin: 14px 0; }
.certificate .recipient { font-size: 1.6rem; color: #fff; font-family: var(--font-display); font-weight: 700; margin: 18px 0; }
.certificate .cert-code { margin-top: 24px; color: var(--text-muted); font-size: 0.8rem; }

/* -----------------------------------------------------------
   RESPONSIVE
   ----------------------------------------------------------- */

@media (max-width: 900px) {
  .sidebar { display: none; }
  .main { padding: 20px; }
  .exam-sidebar { display: none; }
  .exam-main { padding: 20px; }
  .matching-grid { grid-template-columns: 1fr; gap: 12px; }
}

/* -----------------------------------------------------------
   UTILITIES
   ----------------------------------------------------------- */

.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.mt-1 { margin-top: 8px; } .mb-1 { margin-bottom: 8px; }
.mt-2 { margin-top: 16px; } .mb-2 { margin-bottom: 16px; }
.mt-3 { margin-top: 24px; } .mb-3 { margin-bottom: 24px; }
.flex { display: flex; } .items-center { align-items: center; } .justify-between { justify-content: space-between; }
.gap-1 { gap: 8px; } .gap-2 { gap: 16px; }
.flex-wrap { flex-wrap: wrap; }