@import url('https://fonts.googleapis.com/css2?family=Atkinson+Hyperlegible:wght@400;700&display=swap');

:root {
  --color-bg: #f0f9ff;
  --color-surface: #ffffff;
  --color-text: #0c4a6e;
  --color-muted: #475569;
  --color-primary: #0369a1;
  --color-primary-dark: #075985;
  --color-accent: #16a34a;
  --color-danger: #dc2626;
  --color-border: #bfdbfe;
  --color-success: #16a34a;
  --color-ring: #0369a1;
  --radius: 12px;
  --font-scale: 1;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: "Atkinson Hyperlegible", -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: calc(16px * var(--font-scale));
  line-height: 1.5;
}

body.font-small { --font-scale: 0.9; }
body.font-normal { --font-scale: 1; }
body.font-large { --font-scale: 1.25; }
body.font-xlarge { --font-scale: 1.55; }

body.high-contrast {
  --color-bg: #000000;
  --color-surface: #101010;
  --color-text: #ffffff;
  --color-muted: #e6e6e6;
  --color-primary: #ffd400;
  --color-primary-dark: #ffea70;
  --color-accent: #ffd400;
  --color-border: #ffffff;
  --color-danger: #ff6b6b;
  --color-ring: #ffd400;
}
body.high-contrast .btn-primary { color: #000; }
body.high-contrast a { color: var(--color-primary); }

h1, h2, h3 { line-height: 1.25; }

a { color: var(--color-primary-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Visible focus ring for keyboard navigation (WCAG 2.4.7) */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--color-ring);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

[aria-hidden="true"] { pointer-events: none; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 20px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 20;
}
.brand { display: inline-flex; align-items: center; gap: 8px; font-size: 1.2rem; font-weight: 700; color: var(--color-text); }
.topbar-right { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.a11y-controls { display: flex; gap: 8px; }
.a11y-controls button {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 44px; min-height: 44px;
  border-radius: 8px; border: 1px solid var(--color-border);
  background: var(--color-surface); color: var(--color-text); cursor: pointer; font-weight: 700;
  transition: background-color 180ms ease, border-color 180ms ease;
}
.a11y-controls button:hover { border-color: var(--color-primary); background: var(--color-bg); }
.lang-switch select {
  padding: 8px 10px; border-radius: 8px; border: 1px solid var(--color-border);
  background: var(--color-surface); color: var(--color-text);
}

.content { max-width: 1100px; margin: 0 auto; padding: 20px; }

.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 16px; border-radius: 10px; border: 1px solid var(--color-border);
  background: var(--color-surface); color: var(--color-text);
  cursor: pointer; font-size: 1rem; min-height: 44px;
  transition: background-color 180ms ease, border-color 180ms ease, transform 120ms ease;
}
.btn:hover { border-color: var(--color-primary); }
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-danger { background: var(--color-danger); color: #fff; border-color: var(--color-danger); }
.btn-ghost { background: transparent; }
.btn-block { width: 100%; justify-content: center; }
.btn-large { font-size: 1.15rem; padding: 14px 22px; }
.btn-small { padding: 8px 12px; min-height: 40px; font-size: 0.9rem; }

.auth-page { display: flex; align-items: center; justify-content: center; min-height: 80vh; padding: 20px; }
.auth-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius); padding: 32px; max-width: 420px; width: 100%;
}
.auth-card h1 { margin-top: 0; }
.auth-card label { display: block; margin: 14px 0 6px; font-weight: 600; }
.auth-card input, .auth-card select {
  width: 100%; padding: 12px; border-radius: 8px; border: 1px solid var(--color-border);
  font-size: 1rem; background: var(--color-surface); color: var(--color-text);
}
.lang-switch-inline { margin: 12px 0; }
.role-tabs { display: flex; gap: 8px; margin: 16px 0; }
.role-tab {
  flex: 1; padding: 10px; border-radius: 8px; border: 1px solid var(--color-border);
  background: var(--color-surface); cursor: pointer; font-weight: 600;
}
.role-tab.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.error { color: var(--color-danger); font-weight: 600; }
.notice { color: var(--color-success); font-weight: 600; }

.module-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px; margin: 20px 0;
}
.module-card {
  display: block; background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius); padding: 20px; color: var(--color-text);
}
.module-card { transition: border-color 180ms ease, transform 120ms ease; }
.module-card:hover { border-color: var(--color-primary); text-decoration: none; transform: translateY(-2px); }
.module-card.completed { border-color: var(--color-success); }
.icon-inline { display: inline-block; vertical-align: -3px; color: var(--color-success); }
.module-icon { color: var(--color-primary); margin-bottom: 4px; }
.progress-bar {
  height: 10px; background: var(--color-border); border-radius: 6px; overflow: hidden; margin: 10px 0 4px;
}
.progress-fill { height: 100%; background: var(--color-primary); transition: width 250ms ease; }

.panel {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius); padding: 20px; margin: 20px 0;
}
.restore-success {
  border-color: var(--color-success); border-width: 2px; background: var(--color-bg);
}
.restore-success h2 { display: flex; align-items: center; gap: 8px; color: var(--color-success); margin-top: 0; }
.restore-success p { font-size: 1.05rem; }

.provider-tip {
  display: flex; align-items: flex-start; gap: 10px;
  background: var(--color-bg); border: 2px solid var(--color-primary); border-radius: var(--radius);
  padding: 12px 16px; margin: 14px 0;
}
.provider-tip svg { flex-shrink: 0; color: var(--color-primary); margin-top: 2px; }
.provider-tip p { margin: 0 0 10px; }
.provider-tip > div { flex: 1; }
.provider-tip .btn:last-child { margin: 0; }

.lesson-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; flex-wrap: wrap; gap: 8px; }
.lesson-subtitle { color: var(--color-muted); margin-top: -8px; }
.step-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius); padding: 24px; margin: 16px 0;
}
.step-body { font-size: 1.05rem; }
.step-body ul, .step-body ol { padding-left: 22px; }

/* Phishing-mail oefening (nep-postvak-widget) */
.phish-sim { margin-top: 12px; }
.phish-instruction { color: var(--color-muted); font-style: italic; }
.phish-inbox-item {
  display: flex; align-items: center; gap: 12px; width: 100%;
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 10px;
  padding: 14px; cursor: pointer; text-align: left; font-family: inherit; font-size: 1rem; color: var(--color-text);
  transition: border-color 180ms ease, background-color 180ms ease;
}
.phish-inbox-item:hover { border-color: var(--color-primary); background: var(--color-bg); }
.phish-avatar {
  flex-shrink: 0; width: 40px; height: 40px; border-radius: 50%;
  background: var(--color-primary); color: #fff; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1.1rem;
}
.phish-inbox-text { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.phish-sender-name { font-weight: 700; }
.phish-subject { font-weight: 600; }
.phish-snippet { color: var(--color-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.phish-time { flex-shrink: 0; color: var(--color-muted); font-size: 0.85rem; }

.phish-email {
  position: relative;
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 10px; overflow: visible;
}
.phish-more-btn {
  position: absolute; top: 10px; right: 10px; z-index: 2;
  width: 36px; height: 36px; border-radius: 8px; border: 1px solid var(--color-border);
  background: var(--color-surface); color: var(--color-text); font-size: 1.3rem; line-height: 1;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
}
.phish-more-btn:hover { border-color: var(--color-primary); background: var(--color-bg); }
.phish-more-menu {
  position: absolute; top: 50px; right: 10px; z-index: 3;
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 8px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.18); overflow: hidden; min-width: 160px;
}
.phish-more-menu button {
  display: flex; align-items: center; gap: 8px; width: 100%; padding: 12px 14px;
  border: none; background: var(--color-surface); color: var(--color-text); font-size: 1rem;
  cursor: pointer; text-align: left; min-height: 44px;
}
.phish-more-menu button:hover { background: var(--color-bg); }
.phish-more-menu.hidden { display: none; }
.phish-email-header {
  background: var(--color-bg); padding: 14px 56px 14px 16px; border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem; line-height: 1.7; border-radius: 10px 10px 0 0;
}
.phish-email-header code, .phish-email-header span.phish-flag { font-family: monospace; color: var(--color-danger); font-weight: 700; }
.phish-email-body { padding: 18px 16px; }
.phish-cta-btn {
  display: inline-block; margin-top: 12px; padding: 14px 24px; border: none; border-radius: 8px;
  background: var(--color-danger); color: #fff; font-size: 1.05rem; font-weight: 700; cursor: pointer;
  min-height: 44px;
}
.phish-cta-btn:hover { filter: brightness(0.92); }

.phish-reveal {
  background: var(--color-bg); border: 2px solid var(--color-success); border-radius: 10px; padding: 20px;
}
.phish-reveal h4 { display: flex; align-items: center; gap: 8px; color: var(--color-success); margin-top: 0; }
.phish-reveal ul { padding-left: 22px; }

.phish-inbox-item.hidden, .phish-email.hidden, .phish-reveal.hidden { display: none; }
.phish-reveal-bad { border-color: var(--color-danger); }
.phish-reveal-bad h4 { color: var(--color-danger); }
.step-tools { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.step-tools button {
  display: inline-flex; align-items: center; gap: 8px;
  min-height: 44px; padding: 10px 16px; border-radius: 10px; border: 1px solid var(--color-border);
  background: var(--color-surface); color: var(--color-text); cursor: pointer;
  transition: background-color 180ms ease, border-color 180ms ease;
}
.step-tools button:hover { border-color: var(--color-primary); }
.step-tools .hidden { display: none; }
.lesson-nav { display: flex; justify-content: space-between; align-items: center; margin-top: 20px; gap: 10px; flex-wrap: wrap; }


.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,0.55);
  display: flex; align-items: center; justify-content: center; z-index: 50; padding: 16px;
}
.modal.hidden { display: none; }
.modal-box {
  background: var(--color-surface); color: var(--color-text); border-radius: var(--radius);
  padding: 24px; max-width: 420px; width: 100%; max-height: 80vh; overflow-y: auto;
}
.modal-wide { max-width: 600px; }
.modal-box textarea {
  width: 100%; padding: 12px; border-radius: 8px; border: 1px solid var(--color-border); font-size: 1rem;
}
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 14px; }
.hint { color: var(--color-muted); font-size: 0.9rem; }
.glossary-item { padding: 10px 0; border-bottom: 1px solid var(--color-border); }
.glossary-item p { margin: 4px 0 0; color: var(--color-muted); }

.glossary-term {
  border-bottom: 2px dotted var(--color-primary);
  cursor: help;
  border-radius: 3px;
}
.glossary-term:hover, .glossary-term:focus-visible {
  background: var(--color-bg);
  outline: 2px solid var(--color-ring);
  outline-offset: 1px;
}
.glossary-tooltip {
  position: fixed;
  z-index: 60;
  max-width: min(300px, calc(100vw - 16px));
  background: var(--color-surface);
  color: var(--color-text);
  border: 2px solid var(--color-primary);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.92rem;
  line-height: 1.4;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
  pointer-events: none;
}
.glossary-tooltip.hidden { display: none; }

.practice-launch { max-width: 640px; margin: 0 auto; }
.practice-card {
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius);
  padding: 32px 24px; margin: 20px 0; text-align: center;
}
.practice-icon { color: var(--color-primary); display: flex; justify-content: center; margin-bottom: 8px; }
.practice-card .browser-address {
  display: inline-block; margin: 0 auto 16px; padding: 8px 14px; background: var(--color-bg);
  border: 1px solid var(--color-border); border-radius: 8px; overflow-wrap: anywhere;
  font-family: monospace; font-size: 0.9rem; color: var(--color-muted);
}
.practice-card p { font-size: 1.05rem; margin: 0 0 24px; }
.practice-return {
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius);
  padding: 24px;
}
.practice-return h3 { display: flex; align-items: center; gap: 8px; margin-top: 0; }
.practice-return ol { padding-left: 22px; font-size: 1.05rem; }
.practice-return li { margin-bottom: 10px; }
.practice-return .btn { margin-top: 8px; }

.admin-page {}
.admin-header { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; margin-bottom: 10px; }
.admin-nav { display: flex; gap: 8px; flex-wrap: wrap; }
.admin-nav a { padding: 8px 14px; border-radius: 8px; border: 1px solid var(--color-border); color: var(--color-text); }
.admin-nav a.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin: 16px 0; }
.stat-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 18px; text-align: center; }
.stat-value { font-size: 1.4rem; font-weight: 700; }
.stat-label { color: var(--color-muted); }

.help-list { list-style: none; padding: 0; margin: 0; }
.help-item {
  display: flex; justify-content: space-between; align-items: flex-start; gap: 12px;
  padding: 12px 0; border-bottom: 1px solid var(--color-border);
}
.help-item .tag { background: var(--color-primary); color: #fff; border-radius: 6px; padding: 2px 8px; font-size: 0.8rem; margin-left: 8px; }
.live-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; background: var(--color-danger); margin-left: 8px; animation: pulse 1s infinite; }
.live-dot.hidden { display: none; }
@keyframes pulse { 0% { opacity: 1; } 50% { opacity: 0.3; } 100% { opacity: 1; } }
.empty { color: var(--color-muted); }

.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { text-align: left; padding: 10px; border-bottom: 1px solid var(--color-border); }

.student-form .form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 12px; }
.student-form label { display: block; font-weight: 600; margin-bottom: 4px; }
.student-form input, .student-form select {
  width: 100%; padding: 10px; border-radius: 8px; border: 1px solid var(--color-border);
  background: var(--color-surface); color: var(--color-text);
}
.module-checkboxes { display: flex; gap: 10px; flex-wrap: wrap; margin: 10px 0; }
.checkbox-pill {
  border: 1px solid var(--color-border); border-radius: 999px; padding: 8px 14px;
  display: flex; align-items: center; gap: 6px; cursor: pointer;
}
.form-actions { display: flex; gap: 10px; margin-top: 10px; }
.student-edit { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 14px; margin-bottom: 10px; }
.student-edit summary { cursor: pointer; font-weight: 600; padding: 6px 0; }
.student-row-actions { display: flex; align-items: center; gap: 12px; margin-top: 10px; flex-wrap: wrap; }

.changelog-body, .git-result {
  white-space: pre-wrap; background: var(--color-bg); border: 1px solid var(--color-border);
  border-radius: 8px; padding: 14px; font-family: monospace; font-size: 0.9rem;
}

@media (max-width: 640px) {
  .content { padding: 14px; }
  .topbar { padding: 10px 14px; }
  .step-card { padding: 16px; }
  .lesson-nav .btn-large { flex: 1; text-align: center; justify-content: center; }
}