/* ===========================
   Chunk Works Certification Module
   Design matched to Partner Playbook
   =========================== */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  /* Playbook-matched palette */
  --cw-dark: #0f1729;
  --cw-dark-mid: #1a2340;
  --cw-purple: #7c3aed;
  --cw-purple-light: #a78bfa;
  --cw-purple-glow: rgba(124, 58, 237, 0.15);
  --cw-teal: #06b6d4;
  --cw-teal-light: #67e8f9;
  --cw-green: #10b981;
  --cw-green-light: #6ee7b7;
  --cw-amber: #f59e0b;
  --cw-red: #ef4444;
  --cw-white: #ffffff;
  --cw-gray-50: #f8fafc;
  --cw-gray-100: #f1f5f9;
  --cw-gray-200: #e2e8f0;
  --cw-gray-300: #cbd5e1;
  --cw-gray-400: #94a3b8;
  --cw-gray-500: #64748b;
  --cw-gray-600: #475569;
  --cw-gray-700: #334155;
  --cw-gray-800: #1e293b;

  /* Tier colors */
  --tier-bronze: #cd7f32;
  --tier-bronze-bg: #fef3e0;
  --tier-silver: #9ca3af;
  --tier-silver-bg: #f3f4f6;
  --tier-gold: #eab308;
  --tier-gold-bg: #fefce8;
  --tier-platinum: #6366f1;
  --tier-platinum-bg: #eef2ff;
  --tier-mvp: #dc2626;
  --tier-mvp-bg: #fef2f2;

  /* Sizing */
  --max-width: 960px;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
}

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

body {
  font-family: 'DM Sans', system-ui, sans-serif;
  background: var(--cw-gray-50);
  color: var(--cw-gray-800);
  line-height: 1.6;
  min-height: 100vh;
}

/* === HEADER === */
.header {
  background: linear-gradient(135deg, var(--cw-dark) 0%, #2d1b69 50%, #4c1d95 100%);
  color: white;
  padding: 2rem 1.5rem 1.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.header::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(124, 58, 237, 0.2) 0%, transparent 70%);
  pointer-events: none;
}

.header h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 0.25rem;
  position: relative;
}

.header p {
  font-size: 0.95rem;
  opacity: 0.85;
  position: relative;
}

.lang-toggle {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  display: flex;
  gap: 2px;
  background: rgba(255,255,255,0.1);
  border-radius: 6px;
  overflow: hidden;
}

.lang-toggle-btn {
  padding: 0.35rem 0.75rem;
  border: none;
  background: transparent;
  color: rgba(255,255,255,0.6);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.lang-toggle-btn.active {
  background: rgba(255,255,255,0.2);
  color: white;
}

.lang-toggle-btn:hover { color: white; }

/* Trust banner */
.trust-banner {
  background: rgba(255,255,255,0.08);
  padding: 0.5rem 1rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  margin-top: 0.75rem;
  position: relative;
  color: rgba(255,255,255,0.8);
}

.trust-banner span { color: var(--cw-amber); }

/* === MAIN CONTAINER === */
.main-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
}

/* === PROGRESS STEPPER === */
.stepper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 2rem;
  padding: 0 1rem;
}

.stepper-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  flex: 0 0 auto;
}

.stepper-circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 600;
  border: 2px solid var(--cw-gray-300);
  background: var(--cw-white);
  color: var(--cw-gray-400);
  transition: all 0.3s;
  position: relative;
  z-index: 1;
}

.stepper-step.active .stepper-circle {
  border-color: var(--cw-teal);
  background: var(--cw-teal);
  color: white;
}

.stepper-step.completed .stepper-circle {
  border-color: var(--cw-green);
  background: var(--cw-green);
  color: white;
}

.stepper-label {
  font-size: 0.7rem;
  color: var(--cw-gray-400);
  margin-top: 0.4rem;
  white-space: nowrap;
}

.stepper-step.active .stepper-label { color: var(--cw-teal); font-weight: 600; }
.stepper-step.completed .stepper-label { color: var(--cw-green); }

.stepper-line {
  width: 60px;
  height: 2px;
  background: var(--cw-gray-200);
  flex-shrink: 0;
  margin: 0 0.25rem;
  margin-bottom: 1.2rem;
  transition: background 0.3s;
}

.stepper-line.completed { background: var(--cw-green); }

/* === CARDS === */
.card {
  background: var(--cw-white);
  border: 1px solid var(--cw-gray-200);
  border-radius: var(--radius);
  padding: 2rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.card-selectable {
  cursor: pointer;
}

.card-selectable:hover {
  border-color: var(--cw-purple-light);
  box-shadow: 0 4px 12px var(--cw-purple-glow);
}

.card-selectable.selected {
  border-color: var(--cw-purple);
  box-shadow: 0 0 0 2px var(--cw-purple-glow), 0 4px 12px var(--cw-purple-glow);
}

.card-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.card-subtitle {
  font-size: 0.85rem;
  color: var(--cw-purple);
  margin-bottom: 0.75rem;
}

.card-desc {
  font-size: 0.9rem;
  color: var(--cw-gray-600);
  margin-bottom: 1rem;
}

.card-meta {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.25rem 1rem;
  font-size: 0.85rem;
  color: var(--cw-gray-600);
}

.card-meta dt { font-weight: 500; color: var(--cw-gray-700); }

.card-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.icon-sales { background: #ede9fe; }
.icon-tech { background: #e0f2fe; }

/* Suitable-for badge */
.suitable-for {
  margin-top: 1rem;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
}

.suitable-for strong { display: block; margin-bottom: 0.15rem; }
.suitable-for.sales { background: #ede9fe; color: #5b21b6; }
.suitable-for.tech { background: #e0f2fe; color: #0369a1; }

/* === FORM ELEMENTS === */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--cw-gray-700);
  margin-bottom: 0.35rem;
}

.form-group input {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--cw-gray-200);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: inherit;
  transition: border-color 0.2s;
  background: var(--cw-white);
}

.form-group input:focus {
  outline: none;
  border-color: var(--cw-purple);
  box-shadow: 0 0 0 3px var(--cw-purple-glow);
}

.form-help {
  font-size: 0.75rem;
  color: var(--cw-gray-400);
  margin-top: 0.25rem;
}

.form-error {
  font-size: 0.8rem;
  color: var(--cw-red);
  margin-top: 0.25rem;
  display: none;
}

.form-error.visible { display: block; }

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: inherit;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--cw-purple);
  color: white;
}

.btn-primary:hover { background: #6d28d9; }
.btn-primary:disabled { background: var(--cw-gray-300); cursor: not-allowed; }

.btn-secondary {
  background: transparent;
  color: var(--cw-gray-600);
  border: 1px solid var(--cw-gray-200);
}

.btn-secondary:hover {
  background: var(--cw-gray-100);
  border-color: var(--cw-gray-300);
}

.btn-full {
  width: 100%;
}

.btn-group {
  display: flex;
  gap: 0.75rem;
  justify-content: space-between;
  margin-top: 1.5rem;
}

/* === TWO-COLUMN LAYOUT === */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 640px) {
  .grid-2 { grid-template-columns: 1fr; }
}

/* === TIER CARDS === */
.tier-card {
  padding: 1rem;
  border-radius: var(--radius-sm);
  border: 2px solid var(--cw-gray-200);
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}

.tier-card.locked {
  opacity: 0.5;
  cursor: not-allowed;
}

.tier-card.selected {
  box-shadow: 0 0 0 2px var(--cw-purple-glow);
}

.tier-card.completed {
  opacity: 0.7;
}

.tier-card.completed::after {
  content: '✓';
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: var(--cw-green);
  color: white;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
}

.tier-bronze { border-color: var(--tier-bronze); }
.tier-bronze.selected { background: var(--tier-bronze-bg); }
.tier-silver { border-color: var(--tier-silver); }
.tier-silver.selected { background: var(--tier-silver-bg); }
.tier-gold { border-color: var(--tier-gold); }
.tier-gold.selected { background: var(--tier-gold-bg); }
.tier-platinum { border-color: var(--tier-platinum); }
.tier-platinum.selected { background: var(--tier-platinum-bg); }
.tier-mvp { border-color: var(--tier-mvp); }
.tier-mvp.selected { background: var(--tier-mvp-bg); }

.tier-name {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.15rem;
}

.tier-bronze .tier-name { color: var(--tier-bronze); }
.tier-silver .tier-name { color: var(--tier-silver); }
.tier-gold .tier-name { color: var(--tier-gold); }
.tier-platinum .tier-name { color: var(--tier-platinum); }
.tier-mvp .tier-name { color: var(--tier-mvp); }

.tier-desc {
  font-size: 0.75rem;
  color: var(--cw-gray-500);
}

/* === DRIVERS CHECKBOXES === */
.driver-option {
  padding: 0.75rem 1rem;
  border: 1px solid var(--cw-gray-200);
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: all 0.15s;
  font-size: 0.9rem;
}

.driver-option:hover { border-color: var(--cw-purple-light); }

.driver-option.checked {
  border-color: var(--cw-purple);
  background: var(--cw-purple-glow);
}

.driver-option .check-icon {
  width: 22px;
  height: 22px;
  border-radius: 4px;
  border: 2px solid var(--cw-gray-300);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  transition: all 0.15s;
  flex-shrink: 0;
}

.driver-option.checked .check-icon {
  background: var(--cw-purple);
  border-color: var(--cw-purple);
  color: white;
}

/* === EXAM SCREEN === */
.exam-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--cw-gray-200);
}

.exam-progress-text {
  font-size: 0.9rem;
  color: var(--cw-gray-600);
}

.exam-timer {
  font-family: 'Space Grotesk', monospace;
  font-size: 1.1rem;
  font-weight: 600;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-sm);
  background: var(--cw-gray-100);
  color: var(--cw-gray-700);
}

.exam-timer.warning {
  background: #fef3c7;
  color: var(--cw-amber);
}

.exam-timer.danger {
  background: #fee2e2;
  color: var(--cw-red);
  animation: pulse-danger 1s infinite;
}

@keyframes pulse-danger {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.exam-progress-bar {
  width: 100%;
  height: 4px;
  background: var(--cw-gray-200);
  border-radius: 2px;
  margin-bottom: 1.5rem;
  overflow: hidden;
}

.exam-progress-fill {
  height: 100%;
  background: var(--cw-purple);
  border-radius: 2px;
  transition: width 0.3s ease;
}

.exam-domain {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--cw-purple);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.exam-question {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--cw-gray-800);
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.exam-option {
  padding: 0.85rem 1rem;
  border: 2px solid var(--cw-gray-200);
  border-radius: var(--radius-sm);
  margin-bottom: 0.6rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: all 0.15s;
  font-size: 0.9rem;
}

.exam-option:hover {
  border-color: var(--cw-purple-light);
  background: var(--cw-purple-glow);
}

.exam-option.selected {
  border-color: var(--cw-purple);
  background: var(--cw-purple-glow);
}

.exam-option .option-letter {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--cw-gray-300);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 600;
  flex-shrink: 0;
  transition: all 0.15s;
}

.exam-option.selected .option-letter {
  background: var(--cw-purple);
  border-color: var(--cw-purple);
  color: white;
}

/* === RESULTS === */
.result-score-circle {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-family: 'Space Grotesk', sans-serif;
}

.result-score-circle.pass {
  background: linear-gradient(135deg, #d1fae5, #a7f3d0);
  color: #065f46;
}

.result-score-circle.fail {
  background: linear-gradient(135deg, #fee2e2, #fecaca);
  color: #991b1b;
}

.result-score-number {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
}

.result-score-label {
  font-size: 0.8rem;
  opacity: 0.8;
}

.domain-bar {
  margin-bottom: 0.75rem;
}

.domain-bar-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  margin-bottom: 0.25rem;
}

.domain-bar-track {
  height: 8px;
  background: var(--cw-gray-200);
  border-radius: 4px;
  overflow: hidden;
}

.domain-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.5s ease;
}

.domain-bar-fill.good { background: var(--cw-green); }
.domain-bar-fill.warn { background: var(--cw-amber); }
.domain-bar-fill.bad { background: var(--cw-red); }

/* === CERTIFICATE === */
.certificate {
  background: white;
  border: 3px solid var(--cw-gray-800);
  border-radius: 0;
  padding: 3rem 2.5rem;
  text-align: center;
  position: relative;
  max-width: 700px;
  margin: 0 auto;
}

.certificate::before,
.certificate::after {
  content: '';
  position: absolute;
  width: 60px;
  height: 60px;
  border: 2px solid var(--cw-gray-300);
}

.certificate::before { top: 12px; left: 12px; border-right: none; border-bottom: none; }
.certificate::after { bottom: 12px; right: 12px; border-left: none; border-top: none; }

.cert-header-text {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--cw-gray-400);
  margin-bottom: 0.5rem;
}

.cert-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--cw-gray-800);
  margin-bottom: 1.5rem;
}

.cert-name {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--cw-purple);
  margin: 0.5rem 0;
}

.cert-track {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  margin: 1rem 0;
}

.cert-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 2rem;
  margin: 1.5rem auto;
  max-width: 400px;
  text-align: left;
  font-size: 0.85rem;
}

.cert-details dt { color: var(--cw-gray-500); }
.cert-details dd { font-weight: 500; }

.cert-id {
  font-family: 'Space Grotesk', monospace;
  font-size: 0.8rem;
  color: var(--cw-gray-400);
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--cw-gray-200);
}

/* === DASHBOARD === */
.dash-tier-row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.dash-tier-badge {
  padding: 0.4rem 1rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  border: 2px solid;
}

.dash-tier-badge.current { box-shadow: 0 0 0 2px rgba(124,58,237,0.2); }

.exam-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border: 1px solid var(--cw-gray-200);
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
  transition: all 0.15s;
}

.exam-card.locked { opacity: 0.5; }
.exam-card.passed { border-left: 4px solid var(--cw-green); }

.exam-card-info h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
}

.exam-card-info p {
  font-size: 0.8rem;
  color: var(--cw-gray-500);
}

.exam-card-action .btn {
  font-size: 0.8rem;
  padding: 0.45rem 1rem;
}

/* === UTILITIES === */
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.hidden { display: none !important; }

.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.35rem;
}

.section-subtitle {
  text-align: center;
  color: var(--cw-gray-500);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.note-box {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.note-box.info {
  background: #eff6ff;
  color: #1e40af;
  border: 1px solid #bfdbfe;
}

.note-box.warning {
  background: #fffbeb;
  color: #92400e;
  border: 1px solid #fde68a;
}

.note-box.success {
  background: #f0fdf4;
  color: #166534;
  border: 1px solid #bbf7d0;
}

.note-box.error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.wait-info {
  text-align: center;
  padding: 1.5rem;
  background: var(--cw-gray-100);
  border-radius: var(--radius);
  margin-top: 1rem;
}

.wait-info .countdown {
  font-family: 'Space Grotesk', monospace;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--cw-purple);
  margin: 0.5rem 0;
}

/* === ANIMATIONS === */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in { animation: fadeInUp 0.35s ease-out; }

/* === RESPONSIVE === */
@media (max-width: 640px) {
  .main-container { padding: 1rem; }
  .card { padding: 1.25rem; }
  .stepper-line { width: 30px; }
  .stepper-label { font-size: 0.6rem; }
  .exam-header { flex-direction: column; gap: 0.5rem; }
  .btn-group { flex-direction: column; }
  .certificate { padding: 2rem 1.5rem; }
  .cert-details { grid-template-columns: 1fr; }
}