/* ═══════════════════════════════════════════════════
   TrueCert — Light Theme
   ═══════════════════════════════════════════════════ */
:root {
  --tc-bg:          #f6f8fa;
  --tc-bg-2:        #ffffff;
  --tc-bg-card:     #ffffff;
  --tc-border:      #d0d7de;
  --tc-border-2:    #afb8c1;
  --tc-text:        #1f2328;
  --tc-text-muted:  #656d76;
  --tc-blue:        #0969da;
  --tc-blue-hover:  #0860ca;
  --tc-green:       #1a7f37;
  --tc-red:         #d1242f;
  --tc-yellow:      #9a6700;
  --tc-purple:      #8250df;
  --tc-orange:      #bc4c00;
}

/* ── Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-y: scroll; }

body {
  background-color: var(--tc-bg);
  color: var(--tc-text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  min-height: 100vh;
  font-size: 1rem;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--tc-blue); }
a:hover { color: var(--tc-blue-hover); text-decoration: none; }
hr { border-color: var(--tc-border); }

/* ── Accessibility ───────────────────────────────── */
.sr-only-focusable:not(:focus) {
  position: absolute; width: 1px; height: 1px; padding: 0;
  margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0;
}
.sr-only-focusable:focus {
  position: fixed; top: 0; left: 0; z-index: 9999;
  padding: .75rem 1.5rem;
  background: var(--tc-blue); color: #fff;
  font-size: .875rem; font-weight: 600;
  text-decoration: none; border-radius: 0 0 8px 0;
  box-shadow: 0 2px 8px rgba(0,0,0,.2);
}
*:focus-visible {
  outline: 2px solid var(--tc-blue);
  outline-offset: 2px;
}
button:focus:not(:focus-visible),
a:focus:not(:focus-visible) {
  outline: none;
}

/* ── Typography ───────────────────────────────────── */
.text-muted   { color: var(--tc-text-muted) !important; }
.text-success { color: var(--tc-green)      !important; }
.text-danger  { color: var(--tc-red)        !important; }
.text-warning { color: var(--tc-yellow)     !important; }
.text-primary { color: var(--tc-blue)       !important; }

/* ── Navbar ───────────────────────────────────────── */
.tc-navbar {
  background: var(--tc-bg-2);
  border-bottom: 1px solid var(--tc-border);
  position: sticky;
  top: 0;
  z-index: 200;
}

.tc-navbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.tc-navbar-brand {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--tc-text);
  text-decoration: none;
  letter-spacing: -.4px;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-shrink: 0;
}
.tc-navbar-brand:hover { color: var(--tc-text); text-decoration: none; }

.tc-nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--tc-border);
  border-radius: 6px;
  padding: .3rem .5rem;
  color: var(--tc-text-muted);
  cursor: pointer;
  line-height: 1;
  margin-left: auto;
}
.tc-nav-toggle:hover { color: var(--tc-text); border-color: var(--tc-border-2); }

/* Desktop: collapse is a flex row filling remaining space */
.tc-nav-collapse {
  flex: 1;
  display: flex;
  align-items: center;
}

.tc-nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: .1rem;
}

/* Push right-side links to the far right */
.tc-nav-links.tc-nav-right { margin-left: auto; }

.tc-nav-link {
  display: flex;
  align-items: center;
  padding: .45rem .85rem;
  color: var(--tc-text-muted);
  font-size: .9rem;
  font-weight: 450;
  text-decoration: none;
  border-radius: 8px;
  transition: color .13s, background .13s;
  white-space: nowrap;
}
.tc-nav-link:hover { color: var(--tc-text); background: var(--tc-bg); text-decoration: none; }
.tc-nav-link[aria-current="page"] { color: var(--tc-blue); font-weight: 500; }
button.tc-nav-dropdown-btn { background: none; border: none; cursor: pointer; }

/* User menu button */
.tc-user-btn {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .35rem .7rem;
  background: none;
  border: 1px solid var(--tc-border);
  border-radius: 8px;
  color: var(--tc-text);
  font-size: .9rem;
  cursor: pointer;
  transition: border-color .13s, background .13s;
}
.tc-user-btn:hover { background: var(--tc-bg); border-color: var(--tc-border-2); }

/* ── Dropdown ─────────────────────────────────────── */
.tc-dropdown-wrap { position: relative; }

.tc-dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--tc-bg-2);
  border: 1px solid var(--tc-border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,.12);
  min-width: 180px;
  padding: .3rem 0;
  z-index: 300;
}
.tc-dropdown-menu[hidden] {
  display: none !important;
}

.tc-dropdown-item {
  display: flex;
  align-items: center;
  padding: .55rem 1.1rem;
  color: var(--tc-text-muted);
  font-size: .9rem;
  text-decoration: none;
  transition: background .12s, color .12s;
  white-space: nowrap;
}
.tc-dropdown-item:hover { background: var(--tc-bg); color: var(--tc-text); text-decoration: none; }
.tc-dropdown-divider { height: 1px; background: var(--tc-border); margin: .3rem 0; }
.tc-dropdown-label {
  padding: .4rem 1.1rem .15rem;
  font-size: .7rem;
  font-weight: 600;
  color: var(--tc-text-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
}

/* ── Mobile nav ───────────────────────────────────── */
@media (max-width: 991px) {
  .tc-nav-toggle { display: flex; }

  .tc-nav-collapse {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: var(--tc-bg-2);
    border-bottom: 1px solid var(--tc-border);
    flex-direction: column;
    align-items: stretch;
    padding: .5rem 0;
    box-shadow: 0 4px 12px rgba(0,0,0,.08);
  }
  .tc-nav-collapse.open { display: flex; }

  .tc-nav-links,
  .tc-nav-links.tc-nav-right {
    flex-direction: column;
    align-items: stretch;
    margin-left: 0;
    gap: 0;
  }

  .tc-nav-link { border-radius: 0; padding: .65rem 1.25rem; }

  .tc-user-btn {
    width: 100%;
    border-radius: 0;
    border: none;
    border-top: 1px solid var(--tc-border);
    padding: .65rem 1.25rem;
    justify-content: flex-start;
  }

  .tc-dropdown-menu {
    position: static;
    box-shadow: none;
    border: none;
    border-top: 1px solid var(--tc-border);
    border-radius: 0;
    padding-left: 1rem;
    min-width: 0;
  }

  .tc-navbar-inner { position: relative; }
}

/* ── Cards ────────────────────────────────────────── */
.card {
  display: block;
  background: var(--tc-bg-card);
  border: 1px solid var(--tc-border);
  border-radius: 12px;
  transition: border-color .2s, box-shadow .2s;
}
.card:hover { border-color: var(--tc-border-2); }
.card-header {
  background: rgba(0,0,0,.025);
  border-bottom: 1px solid var(--tc-border);
  padding: .75rem 1.25rem;
}
.card-footer {
  background: rgba(0,0,0,.02);
  border-top: 1px solid var(--tc-border);
  padding: .75rem 1.25rem;
}
.card-body { padding: 1.25rem; }

.cert-card {
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s;
  display: flex;
  flex-direction: column;
}
.cert-card .card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
}
.cert-card .card-body .cert-desc {
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  display: -webkit-box;
  overflow: hidden;
  min-height: 2.9em;
}
.cert-card .card-body .cert-meta {
  margin-top: auto;
}
.cert-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,.1);
  border-color: var(--tc-blue);
}

/* ── Buttons ──────────────────────────────────────── */
.btn {
  border-radius: 8px;
  font-weight: 500;
  padding: .5rem 1.1rem;
  font-size: .9rem;
  transition: all .15s ease;
}
.btn-sm {
  font-size: .8125rem;
  padding: .35rem .85rem;
}
.btn-lg {
  font-size: 1rem;
  padding: .65rem 1.5rem;
}

.btn-primary {
  background: var(--tc-blue);
  border-color: var(--tc-blue);
  color: #fff;
  box-shadow: 0 1px 3px rgba(9,105,218,.2);
}
.btn-primary:hover  { background: var(--tc-blue-hover); border-color: var(--tc-blue-hover); color: #fff; box-shadow: 0 3px 8px rgba(9,105,218,.25); }
.btn-outline-primary { color: var(--tc-blue); border-color: var(--tc-blue); }
.btn-outline-primary:hover { background: var(--tc-blue); color: #fff; }
.btn-success { background: var(--tc-green); border-color: var(--tc-green); color: #fff; }
.btn-danger  { background: var(--tc-red);   border-color: var(--tc-red);   color: #fff; }

.btn-ghost {
  background: var(--tc-bg-2);
  border: 1px solid var(--tc-border);
  color: var(--tc-text-muted);
}
.btn-ghost:hover { background: var(--tc-bg); color: var(--tc-text); border-color: var(--tc-border-2); }

/* ── Forms ────────────────────────────────────────── */
.form-control {
  background: var(--tc-bg-2);
  border: 1px solid var(--tc-border);
  color: var(--tc-text);
  border-radius: 8px;
  padding: .55rem .85rem;
  font-size: .9rem;
}
.form-control:focus {
  border-color: var(--tc-blue);
  box-shadow: 0 0 0 3px rgba(9,105,218,.12);
  background: var(--tc-bg-2);
  color: var(--tc-text);
  outline: none;
}
.form-control::placeholder { color: #adb5bd; }
label { color: var(--tc-text); font-size: .875rem; font-weight: 500; margin-bottom: .35rem; }

/* ── Option labels (assessment answers) ───────────── */
.option-label {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  padding: .75rem 1rem;
  border: 1px solid var(--tc-border);
  border-radius: 8px;
  cursor: pointer;
  margin-bottom: .5rem;
  transition: border-color .15s, background .15s;
  user-select: none;
}
.option-label:hover { border-color: var(--tc-blue); background: rgba(9,105,218,.04); }
.option-label input[type="radio"],
.option-label input[type="checkbox"] {
  margin-top: 2px;
  accent-color: var(--tc-blue);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}
.option-label.selected {
  border-color: var(--tc-blue);
  background: rgba(9,105,218,.06);
}
.option-label code {
  display: inline;
  white-space: nowrap;
  font-size: .85em;
  background: rgba(9,105,218,.06);
  border: none;
  padding: .1em .4em;
  border-radius: 4px;
  vertical-align: baseline;
}

/* ── Badges ───────────────────────────────────────── */
.badge {
  border-radius: 6px;
  font-weight: 600;
  font-size: .75rem;
  letter-spacing: .3px;
  padding: .3em .7em;
}
.badge-level-0 { background: #f0f0f0; color: #555; border: 1px solid #d0d0d0; }
.badge-level-1 { background: #dafbe1; color: #116329; border: 1px solid #a7f3c0; }
.badge-level-2 { background: #ddf4ff; color: #0550ae; border: 1px solid #a5d6fb; }
.badge-level-3 { background: #fff8c5; color: #7d4e00; border: 1px solid #f0c000; }
.badge-level-4 { background: #ffe8cc; color: #953800; border: 1px solid #ffc680; }
.badge-level-5 { background: #fbefff; color: #622cbc; border: 1px solid #d8b4fe; }
.badge-free    { background: rgba(26,127,55,.08); color: var(--tc-green); border: 1px solid rgba(26,127,55,.2); }
.badge-paid    { background: rgba(9,105,218,.08); color: var(--tc-blue);  border: 1px solid rgba(9,105,218,.2); }
.badge-secondary { background: var(--tc-bg); color: var(--tc-text-muted); border: 1px solid var(--tc-border); }

/* ── Alerts ───────────────────────────────────────── */
.alert {
  border-radius: 10px;
  border: 1px solid;
  font-size: .9rem;
  padding: .85rem 1.15rem;
}
.alert-success { background: #dafbe1; border-color: #a7f3c0; color: var(--tc-green); }
.alert-danger  { background: #ffebe9; border-color: #ffbdbd; color: var(--tc-red);   }
.alert-warning { background: #fff8c5; border-color: #f0c000; color: var(--tc-yellow); }
.alert-info    { background: #ddf4ff; border-color: #a5d6fb; color: var(--tc-blue);  }

/* ── Breadcrumbs ─────────────────────────────────── */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  padding: 0;
  margin: 0;
  background: transparent;
}
.breadcrumb-item + .breadcrumb-item::before {
  content: '/';
  padding: 0 .4rem;
  color: var(--tc-text-muted);
}
.breadcrumb-item.active {
  color: var(--tc-text-muted);
}

/* ── Nav tabs ─────────────────────────────────────── */
.nav-tabs { border-bottom: 2px solid var(--tc-border); }
.nav-tabs .nav-link {
  color: var(--tc-text-muted);
  border: none;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  padding: .7rem 1.1rem;
  font-size: .9rem;
  font-weight: 500;
  background: none;
  margin-bottom: -2px;
}
.nav-tabs .nav-link:hover { color: var(--tc-text); border-bottom-color: var(--tc-border-2); background: none; }
.nav-tabs .nav-link.active {
  color: var(--tc-blue);
  border-bottom-color: var(--tc-blue);
  background: none;
  font-weight: 600;
}

/* ── Progress bar ─────────────────────────────────── */
.progress { background: var(--tc-border); border-radius: 10px; height: 8px; }
.progress-bar { border-radius: 10px; }
.progress-bar.bg-success { background: var(--tc-green)  !important; }
.progress-bar.bg-danger  { background: var(--tc-red)    !important; }
.progress-bar.bg-warning { background: var(--tc-yellow) !important; }
.progress-bar.bg-primary { background: var(--tc-blue)   !important; }

/* ── Stat cards ───────────────────────────────────── */
.stat-card { text-align: center; padding: 1.5rem 1rem; }
.stat-card .stat-number { font-size: 2.25rem; font-weight: 800; line-height: 1; letter-spacing: -.5px; }
.stat-card .stat-label  { font-size: .8rem; color: var(--tc-text-muted); margin-top: .4rem; text-transform: uppercase; letter-spacing: .5px; font-weight: 500; }

/* ── Assessment copy protection ──────────────────── */
.assessment-page { -webkit-user-select: none; user-select: none; -webkit-touch-callout: none; }
.assessment-page input,
.assessment-page textarea { -webkit-user-select: text; user-select: text; }
.assessment-page img { pointer-events: none; -webkit-user-drag: none; user-drag: none; }

/* ── Assessment timer bar ─────────────────────────── */
.assessment-timer-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--tc-bg-2);
  border-bottom: 1px solid var(--tc-border);
  padding: .75rem 0;
}
.timer-display {
  font-size: 1.1rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  min-width: 5rem;
  text-align: center;
}
.timer-display.warning { color: var(--tc-yellow); }
.timer-display.danger  { color: var(--tc-red); animation: pulse 1s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:.5; } }

/* ── Question card ────────────────────────────────── */
.question-card { margin-bottom: 1.5rem; }
.question-card .question-num {
  font-size: .75rem;
  color: var(--tc-text-muted);
  text-transform: uppercase;
  letter-spacing: .6px;
  margin-bottom: .5rem;
}
.question-card .question-text {
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.55;
  margin-bottom: 1rem;
}
.question-card .question-text-wrap {
  margin-bottom: 1rem;
}
.question-card .question-text code {
  background: var(--tc-bg);
  border: 1px solid var(--tc-border);
  border-radius: 4px;
  padding: .1em .35em;
  font-size: .875em;
}
.question-table-wrap {
  margin-bottom: 1rem;
  overflow-x: auto;
}
.question-table {
  border-collapse: collapse;
  font-size: .875rem;
  width: auto;
  min-width: 200px;
}
.question-table th,
.question-table td {
  border: 1px solid var(--tc-border);
  padding: .4rem .75rem;
  text-align: left;
  white-space: nowrap;
}
.question-table th {
  background: var(--tc-bg);
  font-weight: 600;
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .3px;
  color: var(--tc-text-muted);
}
.question-table td {
  font-family: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
}
/* Scenario box (AWS/CKA style) */
.scenario-box {
  background: var(--tc-bg);
  border: 1px solid var(--tc-border);
  border-left: 3px solid var(--tc-blue);
  border-radius: 6px;
  padding: 1rem 1.25rem;
}
.scenario-label {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--tc-blue);
  margin-bottom: .5rem;
}
.scenario-content {
  font-size: .875rem;
  line-height: 1.65;
  color: var(--tc-text);
}
/* Doc cards */
.doc-card { border: 1px solid var(--tc-border-2) !important; box-shadow: 0 1px 3px rgba(0,0,0,.06); transition: border-color .2s, box-shadow .2s; }
.doc-card:hover { border-color: var(--tc-blue) !important; box-shadow: 0 2px 8px rgba(9,105,218,.12); }
/* Tables in docs/content pages */
.table th, .table td { border-bottom: 1px solid var(--tc-border); }
.table thead th { border-bottom: 2px solid var(--tc-border-2); font-size: .8rem; text-transform: uppercase; letter-spacing: .3px; color: var(--tc-text-muted); text-align: left !important; }
.table tbody tr:last-child td { border-bottom: none; }
.difficulty-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 3px; }
.diff-1 { background: var(--tc-green);  }
.diff-2 { background: var(--tc-blue);   }
.diff-3 { background: var(--tc-yellow); }
.diff-4 { background: var(--tc-orange); }
.diff-5 { background: var(--tc-red);    }

/* ── Results page ─────────────────────────────────── */
.score-circle {
  width: 160px; height: 160px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center; flex-direction: column;
  margin: 0 auto;
  border: 6px solid;
}
.score-circle.passed { border-color: var(--tc-green); color: var(--tc-green); }
.score-circle.failed { border-color: var(--tc-red);   color: var(--tc-red);   }
.score-circle .score-number { font-size: 2.5rem; font-weight: 800; line-height: 1; letter-spacing: -1px; }
.score-circle .score-pct    { font-size: .9rem; font-weight: 600; margin-top: .15rem; }

/* ── Hero section ─────────────────────────────────── */
.tc-hero {
  padding: 5rem 0 4rem;
  background: radial-gradient(ellipse at 50% 0%, rgba(9,105,218,.06) 0%, transparent 60%);
  border-bottom: 1px solid var(--tc-border);
}
.tc-hero h1 { font-size: 2.75rem; font-weight: 800; letter-spacing: -.7px; line-height: 1.1; }
.tc-hero .lead { color: var(--tc-text-muted); font-size: 1.15rem; line-height: 1.7; }

/* ── Category pills ───────────────────────────────── */
.category-pill {
  background: var(--tc-bg-2);
  border: 1px solid var(--tc-border);
  color: var(--tc-text-muted);
  border-radius: 100px;
  padding: .45rem 1.1rem;
  font-size: .85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all .15s ease;
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  text-decoration: none;
}
.category-pill:hover, .category-pill.active {
  background: rgba(9,105,218,.07);
  border-color: var(--tc-blue);
  color: var(--tc-blue);
  text-decoration: none;
  box-shadow: 0 1px 4px rgba(9,105,218,.1);
}

/* ── HTMX indicator ───────────────────────────────── */
.htmx-indicator { opacity: 0; transition: opacity .2s; }
.htmx-request .htmx-indicator { opacity: 1; }

/* ── Footer ───────────────────────────────────────── */
.tc-footer {
  background: var(--tc-bg-2);
  border-top: 1px solid var(--tc-border);
  color: var(--tc-text-muted);
  font-size: .8125rem;
}
.tc-footer a { color: var(--tc-text-muted); }
.tc-footer a:hover { color: var(--tc-text); }

/* ── Auth card ────────────────────────────────────── */
.auth-card { max-width: 440px; margin: 5rem auto; }
.auth-divider {
  display: flex; align-items: center; gap: 1rem;
  color: var(--tc-text-muted); font-size: .8125rem; margin: 1.25rem 0;
}
.auth-divider::before,
.auth-divider::after { content: ''; flex: 1; height: 1px; background: var(--tc-border); }

.btn-oauth {
  background: var(--tc-bg-2);
  border: 1px solid var(--tc-border);
  color: var(--tc-text);
  display: flex; align-items: center; justify-content: center;
  gap: .7rem; width: 100%; padding: .65rem 1rem;
  border-radius: 8px; font-size: .9rem;
  transition: background .15s, border-color .15s, box-shadow .15s;
  text-decoration: none; margin-bottom: .7rem; font-weight: 500;
}
.btn-oauth:hover { background: var(--tc-bg); border-color: var(--tc-border-2); color: var(--tc-text); text-decoration: none; box-shadow: 0 1px 4px rgba(0,0,0,.06); }
.btn-oauth img  { width: 20px; height: 20px; }

/* ── Dashboard ────────────────────────────────────── */
.dashboard-header { padding: .5rem 0 1.5rem; border-bottom: 1px solid var(--tc-border); margin-bottom: 2rem; }
.cert-row {
  display: flex; align-items: center; gap: 1rem;
  padding: 1rem 1.25rem; background: var(--tc-bg-card);
  border: 1px solid var(--tc-border); border-radius: 12px;
  margin-bottom: .5rem; transition: border-color .15s, box-shadow .15s;
}
.cert-row:hover { border-color: var(--tc-border-2); box-shadow: 0 2px 8px rgba(0,0,0,.04); }
.cert-row-icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: rgba(9,105,218,.07);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; font-size: 1.15rem; color: var(--tc-blue);
}
.cert-row-icon img { border-radius: 6px; }
.cert-row-body { flex: 1; min-width: 0; }
.cert-row-title { font-weight: 600; font-size: .9375rem; margin-bottom: .15rem; line-height: 1.3; }
.cert-row-meta  { font-size: .775rem; color: var(--tc-text-muted); display: flex; align-items: center; flex-wrap: wrap; gap: .15rem .4rem; }
.cert-row-actions { display: flex; align-items: center; gap: .5rem; flex-shrink: 0; }

/* Score bar */
.score-bar { width: 80px; height: 6px; background: var(--tc-border); border-radius: 3px; overflow: hidden; flex-shrink: 0; }
.score-bar-fill { height: 100%; border-radius: 3px; transition: width .3s ease; }
.score-bar-fill.pass { background: var(--tc-green); }
.score-bar-fill.fail { background: var(--tc-red); }

/* Score chip */
.score-chip {
  display: inline-flex; align-items: center; gap: .35rem;
  font-size: .775rem; font-weight: 600; padding: .2rem .55rem;
  border-radius: 6px; line-height: 1;
}
.score-chip.pass { background: rgba(26,127,55,.08); color: var(--tc-green); }
.score-chip.fail { background: rgba(209,36,47,.07); color: var(--tc-red); }
.score-chip.expired { background: rgba(154,103,0,.08); color: var(--tc-yellow); }

/* Time remaining pill for in-progress */
.time-pill {
  display: inline-flex; align-items: center; gap: .3rem;
  font-size: .7rem; font-weight: 500; padding: .2rem .5rem;
  border-radius: 20px; background: rgba(9,105,218,.07); color: var(--tc-blue);
}

@media (max-width: 600px) {
  .tc-hero-icon { display: none; }
  .cert-row { flex-wrap: wrap; gap: .75rem; }
  .cert-row-actions { width: 100%; justify-content: flex-end; }
  .score-bar { width: 60px; }
}

/* ── Verification badge ───────────────────────────── */
.verify-badge {
  background: rgba(26,127,55,.06);
  border: 1px solid rgba(26,127,55,.2);
  border-radius: 10px; padding: 1.5rem; text-align: center;
}
.verify-badge .verify-icon { font-size: 2.5rem; color: var(--tc-green); margin-bottom: .75rem; }
.verify-token {
  font-family: 'SFMono-Regular', Consolas, monospace;
  background: var(--tc-bg);
  border: 1px solid var(--tc-border);
  border-radius: 6px; padding: .5rem .75rem;
  font-size: .85rem; letter-spacing: .5px; word-break: break-all;
}

/* ── Scrollbar ────────────────────────────────────── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--tc-bg); }
::-webkit-scrollbar-thumb { background: var(--tc-border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--tc-border-2); }

/* ── Utilities ────────────────────────────────────── */
.cursor-pointer { cursor: pointer; }
.rounded-lg     { border-radius: 10px !important; }
.font-mono      { font-family: 'SFMono-Regular', Consolas, monospace; }
.skills-list    { list-style: none; padding: 0; margin: 0; }
.skills-list li::before { content: '✓  '; color: var(--tc-green); font-weight: 700; }

/* ── How It Works steps ──────────────────────────── */
.hiw-step { padding: 1.5rem 1rem; }
.hiw-icon {
  width: 64px; height: 64px;
  border-radius: 16px;
  background: rgba(9,105,218,.07);
  color: var(--tc-blue);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.75rem;
}

/* ── Testimonials ────────────────────────────────── */
.testimonial-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--tc-blue);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: .8rem;
  flex-shrink: 0;
}

/* ── B2B section ─────────────────────────────────── */
.b2b-features {
  list-style: none;
  padding: 0;
  margin: 0;
}
.b2b-features li {
  display: flex;
  align-items: flex-start;
  padding: .55rem 0;
  font-size: .9rem;
  color: var(--tc-text);
  line-height: 1.55;
}
.b2b-card-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-size: 1.5rem;
}

/* ── HTMX loading spinner ─────────────────────────── */
#loading-spinner { display: none; text-align: center; padding: 2rem; color: var(--tc-text-muted); }
.htmx-request #loading-spinner { display: block; }

/* ── Code snippets (code_output, code_completion) ──── */
.code-snippet-wrap {
  position: relative;
}
.code-snippet-lang {
  position: absolute;
  top: 0;
  right: 0;
  padding: .15rem .5rem;
  font-size: .65rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--tc-text-muted);
  background: var(--tc-bg);
  border-bottom-left-radius: 6px;
  border-top-right-radius: 6px;
  border: 1px solid var(--tc-border);
  border-top: none;
  border-right: none;
}
.code-snippet {
  background: #f6f8fa;
  border: 1px solid var(--tc-border);
  border-radius: 6px;
  padding: 1rem;
  overflow-x: auto;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: .8125rem;
  line-height: 1.6;
  margin: 0;
  white-space: pre;
  tab-size: 4;
}
/* highlight.js: let .code-snippet own the box styling */
.code-snippet code.hljs {
  background: transparent;
  padding: 0;
}

/* ── Ordering ──────────────────────────────────────── */
.ordering-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.ordering-item {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .625rem .75rem;
  margin-bottom: .375rem;
  background: var(--tc-bg-card);
  border: 1px solid var(--tc-border);
  border-radius: 6px;
  cursor: grab;
  transition: box-shadow .15s, border-color .15s;
  user-select: none;
}
.ordering-item:active,
.ordering-item.dragging {
  cursor: grabbing;
  box-shadow: 0 4px 12px rgba(0,0,0,.1);
  border-color: var(--tc-blue);
  opacity: .85;
}
.ordering-handle {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}
.ordering-text {
  flex: 1;
  font-size: .875rem;
}
.ordering-pos-select {
  width: 52px;
  padding: .15rem .25rem;
  font-size: .75rem;
  border: 1px solid var(--tc-border);
  border-radius: 4px;
  background: var(--tc-bg);
  flex-shrink: 0;
}

/* ── Matching ──────────────────────────────────────── */
.matching-grid {
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.matching-row {
  display: flex;
  align-items: center;
  gap: .75rem;
}
.matching-left {
  flex: 1;
  padding: .5rem .75rem;
  background: var(--tc-bg);
  border: 1px solid var(--tc-border);
  border-radius: 6px;
  font-size: .875rem;
  font-weight: 500;
}
.matching-arrow {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}
.matching-right {
  flex: 1;
}
.matching-select {
  font-size: .8125rem;
}

/* ── Code Completion blanks ────────────────────────── */
/* ── Code completion: type mode (inline inputs) ───── */
.inline-blank {
  display: inline-block;
  border: none;
  border-bottom: 2px solid var(--tc-blue);
  border-radius: 0;
  background: rgba(9,105,218,.06);
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  min-width: 70px;
  width: 8ch;
  padding: 1px 6px;
  outline: none;
  color: var(--tc-blue);
  font-weight: 600;
  caret-color: var(--tc-blue);
  transition: border-color .2s, background .2s;
}
.inline-blank::placeholder {
  color: rgba(9,105,218,.35);
  font-weight: 400;
  font-style: normal;
}
.inline-blank:focus {
  border-bottom-color: var(--tc-purple);
  background: rgba(130,80,223,.06);
  color: var(--tc-purple);
}
.inline-blank:not(:placeholder-shown) {
  background: rgba(9,105,218,.08);
}

/* ── Code completion: drag mode (blank slots) ─────── */
.blank-slot {
  display: inline-flex;
  align-items: center;
  min-width: 80px;
  min-height: 1.8em;
  padding: .15rem .5rem;
  background: rgba(9,105,218,.04);
  border: 1.5px solid rgba(9,105,218,.25);
  border-radius: 6px;
  vertical-align: middle;
  cursor: pointer;
  transition: border-color .2s, background .2s, box-shadow .2s;
}
.blank-slot.slot-hover {
  border-color: var(--tc-blue);
  background: rgba(9,105,218,.1);
  box-shadow: 0 0 0 3px rgba(9,105,218,.1);
}
.blank-placeholder {
  font-size: .7rem;
  color: rgba(9,105,218,.4);
  font-family: inherit;
  letter-spacing: .5px;
}

/* ── Word bank ─────────────────────────────────────── */
.word-bank {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1rem;
  background: linear-gradient(135deg, rgba(9,105,218,.03) 0%, rgba(9,105,218,.06) 100%);
  border: 1.5px solid rgba(9,105,218,.15);
  border-radius: 10px;
}
.word-bank-label {
  font-size: .7rem;
  color: var(--tc-blue);
  font-weight: 600;
  letter-spacing: .5px;
  text-transform: uppercase;
  margin-right: .25rem;
  display: flex;
  align-items: center;
  white-space: nowrap;
}
.word-chip {
  display: inline-block;
  padding: .3rem .7rem;
  background: var(--tc-bg-card);
  border: 1px solid var(--tc-border);
  border-radius: 6px;
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: .8125rem;
  cursor: grab;
  user-select: none;
  transition: box-shadow .15s, border-color .15s, transform .1s;
}
.word-chip:hover {
  border-color: var(--tc-blue);
  box-shadow: 0 2px 6px rgba(9,105,218,.1);
  transform: translateY(-1px);
}
.word-chip.dragging {
  opacity: .4;
  transform: scale(.95);
}
.word-chip.in-slot {
  background: rgba(9,105,218,.08);
  border-color: var(--tc-blue);
  color: var(--tc-blue);
  font-weight: 600;
  cursor: pointer;
}

/* ── Results: partial credit badge ─────────────────── */
.badge-partial {
  background: rgba(154,103,0,.12);
  color: var(--tc-yellow);
  border: 1px solid rgba(154,103,0,.25);
}

/* ── Question navigation dots ─────────────────────── */
.qnav-dots {
  display: flex;
  flex-wrap: wrap;
  gap: .375rem;
  justify-content: center;
  position: sticky;
  top: 52px; /* below the timer bar */
  z-index: 99;
  background: var(--tc-bg);
  padding: .5rem 0;
}
.qnav-dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--tc-border);
  background: var(--tc-bg-2);
  color: var(--tc-text-muted);
  font-size: .7rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}
.qnav-dot:hover {
  border-color: var(--tc-blue);
  color: var(--tc-blue);
}
.qnav-dot.active {
  background: var(--tc-blue);
  border-color: var(--tc-blue);
  color: #fff;
}
.qnav-dot.answered:not(.active) {
  background: rgba(26,127,55,.1);
  border-color: var(--tc-green);
  color: var(--tc-green);
}

/* ── Submit confirmation modal ────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.modal-box {
  background: var(--tc-bg-2);
  border-radius: 12px;
  padding: 2rem;
  max-width: 440px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(0,0,0,.2);
}

/* ── Cert picker modal ────────────────────────────── */
.cert-cat-btn:hover { border-color: var(--tc-blue) !important; }
.cert-exam-item:hover { border-color: var(--tc-blue) !important; background: rgba(9,105,218,.03) !important; }

/* ── Star rating widget ──────────────────────────── */
.star-rating {
  display: inline-flex;
  gap: .25rem;
}
.star-label {
  cursor: pointer;
  color: var(--tc-border-2);
  transition: color .12s;
  font-size: 1.5rem;
  line-height: 1;
}
.star-label:hover,
.star-label.active {
  color: var(--tc-yellow);
}
.star-label .star-icon,
.star-label .star-icon svg {
  pointer-events: none;
}
.star-label input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.star-rating {
  position: relative;
}

/* ── Flag button ─────────────────────────────────── */
.btn-flag {
  background: none;
  border: 1px solid var(--tc-border);
  border-radius: 6px;
  color: var(--tc-text-muted);
  padding: .25rem .5rem;
  cursor: pointer;
  font-size: .75rem;
  transition: all .15s;
}
.btn-flag:hover {
  border-color: var(--tc-red);
  color: var(--tc-red);
  background: rgba(209,36,47,.06);
}
.flag-form {
  margin-top: .5rem;
  padding: .75rem;
  background: var(--tc-bg);
  border: 1px solid var(--tc-border);
  border-radius: 8px;
}

/* ── Live Ticker ──────────────────────────────────── */
.tc-ticker-wrap {
  border-bottom: 1px solid var(--tc-border);
  background: var(--tc-bg);
  overflow: hidden;
  padding: .6rem 0;
}
.tc-ticker {
  position: relative;
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
}
.tc-ticker-track {
  display: flex;
  gap: 2.5rem;
  animation: ticker-scroll 40s linear infinite;
  width: max-content;
}
.tc-ticker-track:hover {
  animation-play-state: paused;
}
@keyframes ticker-scroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.tc-ticker-item {
  display: flex;
  align-items: center;
  gap: .35rem;
  white-space: nowrap;
  font-size: .8rem;
  color: var(--tc-text-muted);
}
.tc-ticker-icon {
  color: var(--tc-green);
  flex-shrink: 0;
}
.tc-ticker-name {
  font-weight: 600;
  color: var(--tc-text);
}
.tc-ticker-sep {
  color: var(--tc-text-muted);
}
.tc-ticker-cert {
  font-weight: 600;
  color: var(--tc-blue);
}
.tc-ticker-ago {
  font-size: .7rem;
  color: var(--tc-text-muted);
  opacity: .7;
}

/* ── Utility ───────────────────────────────────────── */
.text-mono { font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace; }