/* GK Seminars PMP Test Platform — App styles
   Built on top of tokens.css (design system) */

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

html, body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-regular);
  line-height: var(--lh-body);
  color: var(--fg-1);
  background: var(--bg-page);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea {
  font-family: inherit;
  font-size: inherit;
}

a { color: var(--gk-navy); text-decoration: none; }
a:hover { color: var(--gk-sky-ink); }

/* ========== Top bar ========== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-1);
  box-shadow: var(--shadow-xs);
}

.topbar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--gk-navy);
  text-decoration: none;
}

.brand-logo {
  height: 44px;
  width: auto;
  display: block;
}

.brand-text {
  font-family: var(--font-display);
  font-weight: var(--fw-medium);
  font-size: 16px;
  color: var(--fg-3);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding-left: 12px;
  border-left: 1px solid var(--border-2);
  line-height: 1;
}

.topbar-spacer { flex: 1; }

.progress-meta {
  display: flex;
  gap: 16px;
  align-items: center;
  font-size: var(--fs-meta);
  color: var(--fg-3);
}

.progress-meta .item { display: flex; gap: 6px; align-items: center; }
.progress-meta .item strong { color: var(--fg-1); font-weight: var(--fw-medium); }

/* Timer in top-right */
.timer {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--bg-tint);
  border: 1px solid var(--border-1);
  border-radius: var(--r-pill);
}

.timer-display {
  font-family: 'Roboto Mono', 'Courier New', monospace;
  font-weight: var(--fw-bold);
  font-size: 16px;
  color: var(--gk-navy-ink);
  letter-spacing: 0.04em;
  min-width: 70px;
  text-align: center;
}

.timer.danger .timer-display { color: var(--danger); }
.timer.danger { border-color: var(--danger); }
.timer.warn .timer-display { color: var(--warn); }

.timer-controls { display: flex; gap: 4px; }

.timer-btn {
  width: 28px;
  height: 28px;
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gk-navy);
  transition: background var(--dur-fast) var(--ease-out);
}
.timer-btn:hover { background: var(--gk-sky-soft); }

.user-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--r-pill);
  background: var(--bg-sunken);
  font-size: var(--fs-small);
  color: var(--fg-2);
}

.user-chip-name {
  font-weight: var(--fw-medium);
  color: var(--fg-1);
}

/* ========== Page layouts ========== */
.page {
  max-width: 1280px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

.page-narrow {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

.center-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

/* ========== Cards ========== */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-1);
  border-radius: var(--r-md);
  padding: 24px;
  box-shadow: var(--shadow-xs);
}

.card-lg { padding: 40px; border-radius: var(--r-lg); box-shadow: var(--shadow-md); }

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 24px;
  border-radius: var(--r-pill);
  font-weight: var(--fw-medium);
  font-size: var(--fs-body);
  line-height: 1.2;
  transition: background var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out),
              transform var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out);
}

.btn-primary {
  background: var(--gk-navy);
  color: var(--gk-white);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--gk-navy-deep); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: var(--bg-surface);
  color: var(--gk-navy);
  border: 1px solid var(--border-2);
}
.btn-secondary:hover { background: var(--bg-tint); border-color: var(--gk-sky); }

.btn-ghost {
  background: transparent;
  color: var(--gk-navy);
}
.btn-ghost:hover { background: var(--bg-sunken); }

.btn-danger {
  background: var(--danger);
  color: var(--gk-white);
}
.btn-danger:hover { background: #9a3923; }

.btn-sm { padding: 6px 14px; font-size: var(--fs-small); }
.btn-lg { padding: 14px 32px; font-size: 18px; }

.btn[disabled] { opacity: 0.45; cursor: not-allowed; transform: none !important; }

/* ========== Forms ========== */
.field {
  margin-bottom: 20px;
}

.field label {
  display: block;
  margin-bottom: 6px;
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--fg-2);
  letter-spacing: 0.02em;
}

.input, .textarea {
  width: 100%;
  padding: 12px 14px;
  font-size: var(--fs-body);
  color: var(--fg-1);
  background: var(--bg-surface);
  border: 1px solid var(--border-2);
  border-radius: var(--r-sm);
  transition: border-color var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out);
}

.input:focus, .textarea:focus {
  outline: none;
  border-color: var(--gk-sky);
  box-shadow: 0 0 0 3px rgba(127, 176, 204, 0.18);
}

.input.code {
  font-family: 'Roboto Mono', monospace;
  letter-spacing: 0.08em;
  text-align: center;
  font-size: 18px;
}

/* ========== Login screen ========== */
.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-surface);
  border-radius: var(--r-lg);
  padding: 48px 40px;
  box-shadow: var(--shadow-lg);
}

.login-brand {
  text-align: center;
  margin-bottom: 32px;
}
.login-brand-logo {
  display: block;
  margin: 0 auto 20px;
  height: 88px;
  width: auto;
}
.login-brand-title {
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  font-size: 24px;
  color: var(--gk-navy-ink);
  letter-spacing: 0.02em;
  margin-bottom: 4px;
}
.login-brand-sub {
  color: var(--fg-3);
  font-size: var(--fs-small);
}

.login-error {
  background: #FBE9E5;
  color: #7C2C19;
  border: 1px solid #F0BCAE;
  padding: 12px 14px;
  border-radius: var(--r-sm);
  font-size: var(--fs-small);
  margin-bottom: 16px;
}

.login-foot {
  margin-top: 24px;
  text-align: center;
  font-size: var(--fs-meta);
  color: var(--fg-3);
}

/* ========== Test selection ========== */
.tests-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.test-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-1);
  border-radius: var(--r-md);
  padding: 28px;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out);
}
.test-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--gk-sky);
}

.test-card-num {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: var(--fw-bold);
  color: var(--gk-sky-ink);
  line-height: 1;
  margin-bottom: 8px;
}
.test-card-title {
  font-family: var(--font-sans);
  font-weight: var(--fw-medium);
  font-size: 22px;
  color: var(--gk-navy-ink);
  margin-bottom: 6px;
}
.test-card-meta {
  font-size: var(--fs-small);
  color: var(--fg-3);
  margin-bottom: 16px;
}
.test-card-state {
  display: inline-block;
  font-size: var(--fs-meta);
  color: var(--fg-3);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.test-card-state.in-progress {
  color: var(--gk-sky-ink);
  font-weight: var(--fw-medium);
}
.test-card-state.completed {
  color: var(--ok);
  font-weight: var(--fw-medium);
}

.test-card-stats {
  margin-top: 4px;
  margin-bottom: 14px;
  padding: 12px 14px;
  background: var(--bg-tint);
  border-radius: var(--r-sm);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.test-card-stats .stat-line {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: var(--fs-small);
}
.test-card-stats .stat-line span {
  color: var(--fg-3);
}
.test-card-stats .stat-line strong {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: var(--fw-bold);
}
.test-card-stats .link-btn {
  margin-top: 6px;
  align-self: flex-start;
  padding: 0;
  font-size: var(--fs-meta);
  color: var(--gk-sky-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
  background: transparent;
}
.test-card-stats .link-btn:hover {
  color: var(--gk-navy);
}

.test-card-actions {
  margin-top: 16px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.test-card-actions .btn { flex: 1; min-width: 0; }
.test-card-actions .btn-ghost { flex: 0 0 auto; }

.link-btn {
  background: transparent;
  border: none;
  color: var(--gk-sky-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-size: var(--fs-small);
  padding: 0;
  cursor: pointer;
}
.link-btn:hover { color: var(--gk-navy); }

/* ========== Question card ========== */
.q-layout {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 24px;
  align-items: start;
}

.q-main {
  background: var(--bg-surface);
  border: 1px solid var(--border-1);
  border-radius: var(--r-lg);
  padding: 36px 40px;
  box-shadow: var(--shadow-sm);
}

.q-eyebrow {
  font-family: var(--font-sans);
  font-weight: var(--fw-medium);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--gk-sky-ink);
  margin-bottom: 12px;
}

.q-stem {
  font-size: 18px;
  line-height: 1.55;
  color: var(--fg-1);
  margin-bottom: 16px;
}

.q-prompt {
  font-size: 18px;
  line-height: 1.5;
  color: var(--gk-navy-ink);
  font-weight: var(--fw-medium);
  margin-bottom: 24px;
}

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

.option {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 18px;
  border: 1.5px solid var(--border-2);
  border-radius: var(--r-md);
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out);
  background: var(--bg-surface);
}
.option:hover { background: var(--bg-tint); border-color: var(--gk-sky); }

.option input { display: none; }

.option-letter {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1.5px solid var(--border-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--fw-medium);
  font-size: 14px;
  color: var(--fg-2);
  transition: all var(--dur-fast) var(--ease-out);
}

.option-text {
  flex: 1;
  font-size: var(--fs-body);
  line-height: 1.5;
  color: var(--fg-1);
  padding-top: 2px;
}

.option.selected .option-letter {
  background: var(--gk-navy);
  color: var(--gk-white);
  border-color: var(--gk-navy);
}
.option.selected { border-color: var(--gk-navy); background: var(--bg-tint); }

/* Post-check states */
.option.correct {
  border-color: var(--ok);
  background: #E8F5EE;
}
.option.correct .option-letter {
  background: var(--ok);
  color: var(--gk-white);
  border-color: var(--ok);
}

.option.incorrect {
  border-color: var(--danger);
  background: #FBE9E5;
}
.option.incorrect .option-letter {
  background: var(--danger);
  color: var(--gk-white);
  border-color: var(--danger);
}

.option.locked { cursor: default; }
.option.locked:hover { background: inherit; }
.option.correct:hover, .option.locked.correct { background: #E8F5EE; }
.option.incorrect:hover, .option.locked.incorrect { background: #FBE9E5; }

/* ========== Rationale (after check) ========== */
.feedback {
  margin-top: 24px;
  padding: 18px 22px;
  border-left: 3px solid var(--gk-sky);
  background: var(--bg-tint);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  display: none;
}
.feedback.shown { display: block; }
.feedback.feedback-correct { border-left-color: var(--ok); background: #E8F5EE; }
.feedback.feedback-incorrect { border-left-color: var(--danger); background: #FBE9E5; }

.feedback-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: var(--fw-bold);
  margin-bottom: 8px;
  font-size: 16px;
}
.feedback-correct .feedback-title { color: var(--ok); }
.feedback-incorrect .feedback-title { color: var(--danger); }
.feedback-icon { font-size: 20px; }

.feedback-text {
  color: var(--fg-1);
  line-height: 1.55;
  font-size: var(--fs-body-tiny);
}
.feedback-text strong { color: var(--gk-navy-ink); }

/* ========== Question footer (nav) ========== */
.q-footer {
  margin-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.q-footer-left { display: flex; gap: 10px; }

/* ========== Sidebar (question grid) ========== */
.q-sidebar {
  position: sticky;
  top: 88px;
  background: var(--bg-surface);
  border: 1px solid var(--border-1);
  border-radius: var(--r-md);
  padding: 18px;
  box-shadow: var(--shadow-xs);
}

.q-sidebar-title {
  font-size: var(--fs-eyebrow);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 12px;
}

.q-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 6px;
}

.q-grid-cell {
  aspect-ratio: 1;
  border-radius: var(--r-xs);
  border: 1px solid var(--border-2);
  background: var(--bg-surface);
  font-size: 11px;
  font-weight: var(--fw-medium);
  color: var(--fg-3);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-out);
  position: relative;
}
.q-grid-cell:hover { border-color: var(--gk-sky); color: var(--gk-navy); }
.q-grid-cell.current {
  background: var(--gk-navy);
  border-color: var(--gk-navy);
  color: var(--gk-white);
}
.q-grid-cell.answered {
  background: var(--bg-tint);
  border-color: var(--gk-sky);
  color: var(--gk-navy);
}
.q-grid-cell.checked-correct {
  background: #E8F5EE;
  border-color: var(--ok);
  color: var(--ok);
}
.q-grid-cell.checked-incorrect {
  background: #FBE9E5;
  border-color: var(--danger);
  color: var(--danger);
}
.q-grid-cell.flagged::after {
  content: "";
  position: absolute;
  top: 2px;
  right: 2px;
  width: 6px;
  height: 6px;
  background: var(--gk-gold);
  border-radius: 50%;
}

.q-sidebar-legend {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border-1);
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: var(--fs-meta);
  color: var(--fg-3);
}
.q-sidebar-legend .swatch {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  margin-right: 6px;
  vertical-align: middle;
}

.q-sidebar-actions {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border-1);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* ========== Results ========== */
.results-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.result-stat {
  background: var(--bg-surface);
  border: 1px solid var(--border-1);
  border-radius: var(--r-md);
  padding: 24px;
  text-align: center;
}
.result-stat-label {
  font-size: var(--fs-eyebrow);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 8px;
}
.result-stat-value {
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  font-size: 36px;
  color: var(--gk-navy-ink);
  line-height: 1;
}
.result-stat-value.ok { color: var(--ok); }
.result-stat-value.fail { color: var(--danger); }

.review-question {
  margin-bottom: 28px;
}
.review-question-num {
  font-size: var(--fs-meta);
  color: var(--fg-3);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

/* ========== Admin ========== */
.admin-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  gap: 12px;
  flex-wrap: wrap;
}

.admin-search {
  flex: 1;
  min-width: 220px;
  max-width: 340px;
}

.admin-table {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-1);
  border-radius: var(--r-md);
  overflow: hidden;
  border-collapse: collapse;
  box-shadow: var(--shadow-xs);
}
.admin-table th, .admin-table td {
  padding: 14px 18px;
  text-align: left;
  font-size: var(--fs-small);
  color: var(--fg-1);
}
.admin-table th {
  background: var(--bg-sunken);
  font-size: var(--fs-eyebrow);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--fg-3);
}
.admin-table tr { border-bottom: 1px solid var(--border-1); }
.admin-table tr:last-child { border-bottom: none; }
.admin-table tr:hover { background: var(--bg-sunken); }

.code-cell {
  font-family: 'Roboto Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--gk-navy);
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--gk-sky-ink);
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--bg-tint);
}
.copy-btn:hover { background: var(--gk-sky-soft); }

.status-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: var(--fw-medium);
  padding: 3px 10px;
  border-radius: var(--r-pill);
  letter-spacing: 0.03em;
}
.status-badge.active {
  background: #E8F5EE;
  color: var(--ok);
}
.status-badge.disabled {
  background: var(--bg-sunken);
  color: var(--fg-3);
}

/* ========== Modal ========== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(11, 22, 40, 0.5);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
}
.modal-backdrop.shown { display: flex; }
.modal {
  background: var(--bg-surface);
  border-radius: var(--r-lg);
  padding: 32px;
  max-width: 520px;
  width: calc(100% - 32px);
  box-shadow: var(--shadow-lg);
}
.modal-title {
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  font-size: 22px;
  color: var(--gk-navy-ink);
  margin-bottom: 16px;
}
.modal-body { color: var(--fg-2); margin-bottom: 24px; line-height: 1.55; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; }

/* ========== Tag ========== */
.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--r-pill);
  font-size: 11px;
  font-weight: var(--fw-medium);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.tag.tag-multi {
  background: var(--gk-gold-soft);
  color: #7E5F1F;
}

/* ========== Toast ========== */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  padding: 12px 24px;
  background: var(--gk-navy-ink);
  color: var(--gk-white);
  border-radius: var(--r-pill);
  font-size: var(--fs-small);
  box-shadow: var(--shadow-lg);
  z-index: 300;
  display: none;
}
.toast.shown { display: block; animation: toast-in 200ms var(--ease-out); }
@keyframes toast-in {
  from { transform: translateX(-50%) translateY(8px); opacity: 0; }
  to   { transform: translateX(-50%) translateY(0); opacity: 1; }
}

/* ========== Responsive ========== */
@media (max-width: 1023px) {
  .q-layout { grid-template-columns: 1fr; }
  .q-sidebar { position: static; }
  .q-grid { grid-template-columns: repeat(10, 1fr); }
}

@media (max-width: 767px) {
  .topbar-inner { padding: 10px 16px; gap: 12px; min-height: 56px; flex-wrap: wrap; }
  .brand-logo { height: 36px; }
  .brand-text { display: none; }
  .progress-meta { display: none; }
  .login-brand-logo { height: 64px; }
  .page, .page-narrow { padding: 20px 16px 60px; }
  .q-main { padding: 20px; }
  .q-stem, .q-prompt { font-size: 16px; }
  .timer { padding: 6px 10px; }
  .timer-display { font-size: 14px; min-width: 60px; }
  .q-grid { grid-template-columns: repeat(8, 1fr); }
  .login-card { padding: 32px 24px; }
  .card-lg { padding: 24px; }
  .admin-table { display: block; overflow-x: auto; white-space: nowrap; }
  .admin-toolbar { flex-direction: column; align-items: stretch; }
  .admin-search { max-width: none; }
  .q-footer { flex-direction: column; align-items: stretch; }
  .q-footer-left { justify-content: center; }
  .btn { width: auto; }
}

/* Visually hidden — for accessibility */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* Loading spinner */
.spinner {
  display: inline-block;
  width: 18px; height: 18px;
  border: 2px solid var(--border-2);
  border-top-color: var(--gk-navy);
  border-radius: 50%;
  animation: spin 800ms linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Empty / loading state */
.empty {
  text-align: center;
  padding: 48px 24px;
  color: var(--fg-3);
}
.empty-icon {
  font-size: 48px;
  margin-bottom: 12px;
  color: var(--gk-sky);
}

/* ==============================================================
   Marketing / pricing / landing
   ============================================================== */

.page-narrow {
  margin: 0 auto;
  padding: 24px 16px;
  width: 100%;
  box-sizing: border-box;
}

/* Hero */
.hero {
  background: linear-gradient(180deg, var(--bg-tint, #F4F8FB) 0%, transparent 100%);
  padding: 56px 16px 40px;
  border-bottom: 1px solid var(--border-2);
}
.hero-inner {
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}
.hero-title {
  font-family: 'Montserrat', system-ui, sans-serif;
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1.15;
  color: var(--gk-navy-ink, #14213A);
  margin: 0 0 16px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.hero-sub {
  font-size: 17px;
  line-height: 1.55;
  color: var(--fg-2);
  max-width: 720px;
  margin: 0 auto 28px;
}
.hero-cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.hero-bullets {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 8px 24px;
  max-width: 720px;
  margin: 0 auto;
  text-align: left;
}
.hero-bullets .bullet {
  font-size: 14px;
  color: var(--fg-2);
  padding: 4px 0;
}

/* Pricing section */
.pricing-section {
  padding: 56px 16px 32px;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  max-width: 760px;
  margin: 0 auto;
}
.pricing-card {
  background: #fff;
  border: 1px solid var(--border-2);
  border-radius: 14px;
  padding: 28px 24px;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: box-shadow 160ms ease, transform 160ms ease, border-color 160ms ease;
}
.pricing-card:hover {
  box-shadow: 0 8px 32px rgba(27, 42, 74, 0.10);
  transform: translateY(-1px);
}
.pricing-card-premium {
  border-color: var(--gk-navy, #1B2A4A);
  border-width: 2px;
  background: linear-gradient(180deg, #fff 0%, var(--bg-tint, #F4F8FB) 100%);
}
.pricing-badge {
  position: absolute;
  top: -10px;
  right: 20px;
  background: var(--gk-navy, #1B2A4A);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
}
.pricing-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gk-sky, #7FB0CC);
  margin-bottom: 10px;
}
.pricing-price {
  font-family: 'Montserrat', system-ui, sans-serif;
  font-size: 42px;
  font-weight: 700;
  color: var(--gk-navy-ink, #14213A);
  line-height: 1;
  margin-bottom: 6px;
}
.pricing-price .currency {
  font-size: 24px;
  vertical-align: super;
  margin-right: 2px;
}
.pricing-price .amount { letter-spacing: -0.02em; }
.pricing-meta {
  font-size: 14px;
  color: var(--fg-3);
  margin-bottom: 16px;
}
.pricing-features {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.pricing-features li {
  font-size: 14px;
  color: var(--fg-2);
  padding-left: 22px;
  position: relative;
  line-height: 1.45;
}
.pricing-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--ok, #2C8A55);
  font-weight: 700;
}
.pricing-foot {
  text-align: center;
  margin-top: 24px;
  font-size: 13px;
  color: var(--fg-3);
}

/* FAQ */
.faq-section {
  padding: 16px 16px 56px;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border-2);
  border-radius: 10px;
  padding: 14px 18px;
  margin-bottom: 10px;
}
.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--gk-navy-ink, #14213A);
  list-style: none;
  position: relative;
  padding-right: 24px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 0;
  font-size: 20px;
  color: var(--gk-sky, #7FB0CC);
  transition: transform 160ms ease;
}
.faq-item[open] summary::after { content: '−'; }
.faq-item p {
  margin: 12px 0 0;
  font-size: 14px;
  color: var(--fg-2);
  line-height: 1.55;
}
.faq-item a { color: var(--gk-navy, #1B2A4A); text-decoration: underline; }

.site-footer {
  border-top: 1px solid var(--border-2);
  padding: 24px 16px;
  background: var(--bg-tint, #F4F8FB);
  font-size: 13px;
  color: var(--fg-3);
}

/* Test picker (basic plan modal) */
.test-pick {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 1px solid var(--border-2);
  border-radius: 10px;
  padding: 14px 8px;
  cursor: pointer;
  transition: all 120ms ease;
  font: inherit;
}
.test-pick:hover {
  border-color: var(--gk-sky, #7FB0CC);
  background: var(--bg-tint, #F4F8FB);
}
.test-pick.selected {
  border-color: var(--gk-navy, #1B2A4A);
  background: var(--gk-navy, #1B2A4A);
  color: #fff;
}
.test-pick-num {
  font-family: 'Montserrat', system-ui, sans-serif;
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
}
.test-pick-label {
  font-size: 12px;
  margin-top: 4px;
  letter-spacing: 0.04em;
}

/* ==============================================================
   Locked tests + payment banner + plan line
   ============================================================== */

.payment-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #E8F5EE;
  color: #1f6b41;
  border: 1px solid #B0DFC4;
  padding: 12px 16px;
  border-radius: 10px;
  margin-bottom: 20px;
}
.payment-banner-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #2C8A55;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}

.plan-line {
  background: var(--bg-tint, #F4F8FB);
  border: 1px solid var(--border-2);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 14px;
  color: var(--fg-2);
  margin-bottom: 16px;
}

.test-card-locked {
  opacity: 0.85;
  background: var(--bg-tint, #F4F8FB);
  border-style: dashed;
}
.test-card-locked .test-card-num { color: var(--fg-3); }
.test-card-state.locked {
  color: var(--fg-3);
  font-style: italic;
}
.lock-icon {
  font-size: 14px;
  opacity: 0.7;
}

/* ==============================================================
   Profile page + access toggles
   ============================================================== */

.card {
  background: #fff;
  border: 1px solid var(--border-2);
  border-radius: 12px;
  padding: 20px 22px;
}
.card-title {
  font-family: 'Montserrat', system-ui, sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--gk-navy-ink, #14213A);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-2);
}
.hint {
  font-size: 12px;
  color: var(--fg-3);
  margin-top: 4px;
}
.form-msg {
  font-size: 13px;
  min-height: 18px;
}

/* Access grid (profile + admin) */
.access-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 10px;
}
.access-cell {
  background: #fff;
  border: 1px solid var(--border-2);
  border-radius: 10px;
  padding: 12px 8px;
  text-align: center;
}
.access-cell.unlocked {
  background: #E8F5EE;
  border-color: #B0DFC4;
  color: #1f6b41;
}
.access-cell.locked { opacity: 0.7; }
.access-cell .num {
  font-family: 'Montserrat', system-ui, sans-serif;
  font-size: 20px;
  font-weight: 700;
}
.access-cell .label {
  font-size: 12px;
  margin: 2px 0;
}
.access-cell .state {
  font-size: 11px;
  letter-spacing: 0.04em;
}

/* Access toggle (admin) */
.access-toggle {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: #fff;
  border: 1px solid var(--border-2);
  border-radius: 10px;
  padding: 12px 8px;
  cursor: pointer;
  transition: all 120ms ease;
  position: relative;
}
.access-toggle input { position: absolute; opacity: 0; pointer-events: none; }
.access-toggle:hover { border-color: var(--gk-sky, #7FB0CC); }
.access-toggle:has(input:checked),
.access-toggle.on {
  border-color: var(--ok, #2C8A55);
  background: #E8F5EE;
  color: #1f6b41;
}
.access-toggle-num {
  font-family: 'Montserrat', system-ui, sans-serif;
  font-size: 20px;
  font-weight: 700;
}
.access-toggle-label {
  font-size: 12px;
  margin-top: 2px;
}

/* Device list rows */
.device-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-2);
  gap: 12px;
}
.device-row:last-child { border-bottom: none; }

/* Tags (status pills) */
.tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--bg-tint, #F4F8FB);
  color: var(--fg-2);
  border: 1px solid var(--border-2);
}
.tag-ok { background: #E8F5EE; color: #1f6b41; border-color: #B0DFC4; }
.tag-danger { background: #FBE9E5; color: #a23c3c; border-color: #f3c1b8; }
.tag-info { background: var(--bg-tint, #F4F8FB); color: var(--gk-navy, #1B2A4A); border-color: var(--gk-sky, #7FB0CC); }

/* Compact spinner used inline */
.btn .spinner {
  margin-left: 8px;
  width: 14px;
  height: 14px;
  border-width: 2px;
}