/* PVME Exams — shared styles */
:root {
  --navy: #0a1628;
  --dark-navy: #050b14;
  --gold: #d4af37;
  --green: #00ff88;
  --red: #ff4d4d;
  --white: #ffffff;
  --gray: #6b7280;
  --light-gray: #9ca3af;
  --border: rgba(212, 175, 55, 0.25);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  background: var(--dark-navy);
  color: var(--white);
  min-height: 100vh;
  line-height: 1.5;
  padding: 16px;
}

.container {
  max-width: 900px;
  margin: 0 auto;
}

header.brand {
  text-align: center;
  padding: 24px 16px 16px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}

header.brand h1 {
  font-size: 24px;
  font-weight: 700;
  background: linear-gradient(90deg, var(--gold), var(--green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.5px;
}

header.brand p {
  color: var(--light-gray);
  font-size: 13px;
  margin-top: 4px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.card {
  background: rgba(10, 22, 40, 0.7);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 16px;
}

.card h2 {
  color: var(--gold);
  font-size: 18px;
  margin-bottom: 16px;
  font-weight: 600;
}

label {
  display: block;
  font-size: 12px;
  color: var(--light-gray);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
  margin-top: 12px;
}

input, select, textarea {
  width: 100%;
  padding: 12px 14px;
  background: rgba(5, 11, 20, 0.8);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--white);
  font-size: 16px;
  font-family: inherit;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--gold);
}

button, .btn {
  display: inline-block;
  padding: 12px 24px;
  background: linear-gradient(90deg, var(--gold), var(--green));
  color: var(--dark-navy);
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  margin-top: 16px;
  transition: transform 0.1s;
}

button:hover, .btn:hover { transform: translateY(-1px); }
button:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

button.secondary {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--gold);
}

button.danger {
  background: transparent;
  color: var(--red);
  border: 1px solid var(--red);
}

.status {
  padding: 12px;
  border-radius: 8px;
  margin: 16px 0;
  font-size: 14px;
}
.status.success { background: rgba(0, 255, 136, 0.1); color: var(--green); border: 1px solid var(--green); }
.status.error   { background: rgba(255, 77, 77, 0.1); color: var(--red); border: 1px solid var(--red); }
.status.info    { background: rgba(212, 175, 55, 0.1); color: var(--gold); border: 1px solid var(--gold); }

.link-box {
  background: rgba(5, 11, 20, 0.95);
  border: 1px dashed var(--gold);
  padding: 16px;
  border-radius: 8px;
  word-break: break-all;
  font-family: "SF Mono", Menlo, monospace;
  font-size: 13px;
  color: var(--green);
  margin: 12px 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
  font-size: 14px;
}
th, td {
  padding: 10px 8px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
th {
  color: var(--gold);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
td.pass { color: var(--green); font-weight: 700; }
td.fail { color: var(--red); font-weight: 700; }

.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 600px) { .row { grid-template-columns: 1fr; } }

.timer {
  font-size: 28px;
  font-weight: 800;
  color: var(--gold);
  text-align: center;
  margin: 8px 0 24px;
  font-variant-numeric: tabular-nums;
}
.timer.urgent { color: var(--red); }

.question-text {
  font-size: 18px;
  margin: 16px 0 24px;
  line-height: 1.6;
}

.options { display: flex; flex-direction: column; gap: 10px; }

.option {
  display: block;
  padding: 14px 16px;
  background: rgba(5, 11, 20, 0.6);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  font-size: 15px;
  transition: all 0.15s;
}
.option:hover { border-color: var(--gold); }
.option.selected { background: rgba(212, 175, 55, 0.15); border-color: var(--gold); }
.option input { display: none; }

.progress {
  height: 6px;
  background: rgba(212, 175, 55, 0.15);
  border-radius: 3px;
  margin-bottom: 16px;
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--gold), var(--green));
  transition: width 0.3s;
}

.muted { color: var(--light-gray); font-size: 13px; }
.center { text-align: center; }
.big-check { font-size: 64px; margin: 24px 0; color: var(--green); }
.hidden { display: none !important; }

/* Top nav link "Home" */
.top-nav {
  max-width: 900px;
  margin: 0 auto 8px;
  padding: 0 4px;
}
.top-nav a {
  color: var(--light-gray);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.5px;
}
.top-nav a:hover { color: var(--gold); }

/* Inline action row */
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.actions button, .actions .btn { margin-top: 0; }