/* Učionica — dizajn sustav (odobreni prijedlog, rujan 2026.) */

:root {
  --paper: #FBF6EC;
  --paper-2: #FFFDF8;
  --surface: #FFFFFF;
  --ink: #16263A;
  --muted: #4F5D73;
  --line: #E7DECC;
  --line-soft: #F0E9DB;
  --track: #EFE7D6;
  --primary: #1E5B78;
  --primary-dark: #164760;
  --primary-soft: #D6EBF3;
  --sun: #F2B94B;
  --sun-soft: #FBE3B0;
  --mint-soft: #D5ECDD;
  --coral-soft: #F7D4C8;
  --lilac-soft: #E3DDF3;
  --success: #2F7D4F;
  --danger: #B42318;
  --danger-soft: #FDE7E4;

  --shadow-card: 0 1px 2px rgba(22,38,58,.05), 0 10px 30px rgba(22,38,58,.08);
  --shadow-lift: 0 2px 6px rgba(22,38,58,.06), 0 28px 64px rgba(22,38,58,.14);
  --shadow-primary: 0 2px 4px rgba(30,91,120,.20), 0 8px 20px rgba(30,91,120,.28);
  --shadow-dark: 0 2px 4px rgba(22,38,58,.18), 0 6px 16px rgba(22,38,58,.20);
  --shadow-bar: 0 6px 24px rgba(22,38,58,.06);

  --font-display: 'Bricolage Grotesque', 'Segoe UI', sans-serif;
  --font-body: 'Atkinson Hyperlegible', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, Consolas, monospace;

  --radius: 22px;
  --wrap: 1280px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.55;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
img { max-width: 100%; height: auto; }
a { color: var(--primary); }
a:hover { color: var(--primary-dark); }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.1; margin: 0; letter-spacing: -0.01em; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--sun); outline-offset: 2px; border-radius: 6px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 32px; }
main { flex: 1 0 auto; }
.muted { color: var(--muted); }
.stack { display: flex; flex-direction: column; gap: var(--gap, 16px); }
.row { display: flex; align-items: center; gap: var(--gap, 12px); flex-wrap: wrap; }

/* Gumbi */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: inherit; font-size: 17px; font-weight: 700; line-height: 1.2;
  padding: 13px 22px; border-radius: 999px; border: 2px solid transparent;
  text-decoration: none; cursor: pointer; transition: transform .12s, box-shadow .12s, background .12s;
  min-height: 48px;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: var(--shadow-primary); }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-dark { background: var(--ink); color: #fff; box-shadow: var(--shadow-dark); }
.btn-dark:hover { color: #fff; }
.btn-outline { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-outline:hover { color: var(--ink); background: rgba(22,38,58,.04); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-danger { background: transparent; color: var(--danger); border-color: #F0C6C0; }
.btn-danger:hover { background: var(--danger-soft); color: var(--danger); }
.btn-sm { font-size: 15px; padding: 8px 14px; min-height: 38px; }
.btn-lg { font-size: 19px; padding: 17px 28px; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .55; cursor: not-allowed; transform: none; }

/* Kartice i oznake */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-card); }
.card-pad { padding: 28px 32px; }
.chip {
  display: inline-block; font-size: 14px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  padding: 7px 12px; border-radius: 999px; background: var(--primary-soft); color: var(--primary);
}
.chip-sun { background: var(--sun-soft); color: var(--ink); }
.eyebrow { font-size: 14px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--primary); }
.badge { display: inline-block; font-size: 13px; font-weight: 700; padding: 4px 10px; border-radius: 999px; background: var(--primary-soft); color: var(--primary); }
.badge-muted { background: var(--track); color: var(--muted); }
.badge-success { background: var(--mint-soft); color: var(--success); }
.badge-danger { background: var(--danger-soft); color: var(--danger); }

.progress { height: 10px; border-radius: 999px; background: var(--track); overflow: hidden; }
.progress > span { display: block; height: 100%; border-radius: 999px; background: var(--primary); }

/* Poruke */
.alert { padding: 14px 18px; border-radius: 14px; font-size: 17px; border: 1px solid; }
.alert-success { background: #E7F4EC; border-color: #BFE0CB; color: #1E5A38; }
.alert-error { background: var(--danger-soft); border-color: #F4C5BF; color: #8A1C12; }
.alert-info { background: var(--primary-soft); border-color: #B7D8E6; color: #164760; }
.flash-wrap { padding-top: 20px; }

/* Zaglavlje */
.site-header {
  position: relative; z-index: 10; background: var(--paper);
  border-bottom: 1px solid var(--line); box-shadow: var(--shadow-bar);
}
.site-header .wrap { height: 80px; display: flex; align-items: center; gap: 36px; }
.site-logo img { height: 40px; width: auto; display: block; }
.site-nav { display: flex; gap: 26px; flex: 1; }
.site-nav a { color: var(--ink); text-decoration: none; font-weight: 700; font-size: 17px; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--primary); }
.header-actions { display: flex; align-items: center; gap: 8px; }
.avatar {
  width: 44px; height: 44px; border-radius: 50%; background: var(--sun-soft); color: var(--ink);
  display: inline-flex; align-items: center; justify-content: center; font-weight: 700; font-size: 16px;
}
.user-menu { position: relative; }
.user-menu > button { display: flex; align-items: center; gap: 10px; background: none; border: 0; font: inherit; font-weight: 700; color: var(--ink); cursor: pointer; padding: 4px; }
.user-menu-panel {
  position: absolute; right: 0; top: calc(100% + 8px); min-width: 220px; padding: 8px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow-lift);
  display: none;
}
.user-menu.open .user-menu-panel { display: block; }
.user-menu-panel a, .user-menu-panel button {
  display: flex; align-items: center; gap: 10px; width: 100%; padding: 10px 12px; border-radius: 10px;
  color: var(--ink); text-decoration: none; font: inherit; font-size: 16px; background: none; border: 0; cursor: pointer; text-align: left;
}
.user-menu-panel a:hover, .user-menu-panel button:hover { background: var(--paper); }
.nav-toggle { display: none; background: none; border: 0; width: 48px; height: 48px; cursor: pointer; color: var(--ink); }

/* Podnožje */
.site-footer { background: var(--ink); color: #C9D3E0; font-size: 16px; margin-top: 80px; }
.site-footer .wrap { padding-top: 44px; padding-bottom: 44px; display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.site-footer a { color: #fff; }
.site-footer nav { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-brand { font-family: var(--font-display); font-size: 24px; font-weight: 800; color: #fff; }

/* Naslovnica */
.hero { padding: 80px 0 88px; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(40px, 5.4vw, 72px); line-height: 1.02; font-weight: 800; letter-spacing: -0.02em; }
.hero-lead { font-size: 21px; color: var(--muted); max-width: 560px; }
.hero-art { position: relative; min-height: 460px; }
.hero-card { position: absolute; left: 30px; top: 10px; width: min(440px, 90%); padding: 28px; display: flex; flex-direction: column; gap: 18px; box-shadow: var(--shadow-lift); }
.hero-cert {
  position: absolute; right: 0; bottom: 20px; width: 290px; background: var(--paper-2); border: 2px solid var(--ink);
  border-radius: 18px; padding: 20px 22px; transform: rotate(-3deg); box-shadow: 0 16px 40px rgba(22,38,58,.14);
}
.hero-pill { position: absolute; left: 0; bottom: 70px; background: var(--sun); font-weight: 700; font-size: 15px; padding: 10px 16px; border-radius: 999px; box-shadow: 0 10px 24px rgba(160,110,20,.25); }
.icon-tile { width: 48px; height: 48px; border-radius: 14px; display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; }

.band { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 80px 0; }
.section { padding: 88px 0; }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 40px; flex-wrap: wrap; }
.section-head h2 { font-size: clamp(34px, 3.6vw, 48px); font-weight: 800; }
.section-head p { font-size: 20px; color: var(--muted); margin-top: 10px; }

.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.step { background: var(--paper-2); border: 1px solid var(--line-soft); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow-card); display: flex; flex-direction: column; gap: 12px; }
.step-num { font-family: var(--font-display); font-size: 56px; font-weight: 800; color: var(--primary); line-height: 1; }
.step h3 { font-size: 26px; }
.step p { color: var(--muted); }

.filters { display: flex; gap: 10px; flex-wrap: wrap; }
.filters a { font-weight: 700; font-size: 16px; padding: 10px 18px; border-radius: 999px; border: 2px solid #D8CDB6; color: var(--ink); text-decoration: none; }
.filters a[aria-current="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }

.course-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.course-card { display: flex; flex-direction: column; overflow: hidden; text-decoration: none; color: var(--ink); transition: transform .15s, box-shadow .15s; }
.course-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lift); color: var(--ink); }
.course-card-art { aspect-ratio: 16 / 9; display: flex; align-items: center; justify-content: center; }
.course-card-art.has-cover, .enroll-art.has-cover { background: var(--line-soft); overflow: hidden; }

.has-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.my-course-cover { width: 64px; height: 64px; border-radius: 16px; object-fit: cover; flex: none; }
.cover-preview { width: 100%; max-width: 360px; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 14px; border: 1px solid var(--line); }
.course-card-body { padding: 22px 26px 26px; display: flex; flex-direction: column; gap: 10px; }
.course-card h3 { font-size: 24px; font-weight: 700; line-height: 1.2; }
.empty-state { text-align: center; padding: 56px 24px; color: var(--muted); }

.cert-band {
  background: var(--primary); color: #fff; border-radius: 32px; padding: 64px;
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: center;
  box-shadow: 0 6px 14px rgba(30,91,120,.18), 0 32px 80px rgba(30,91,120,.32);
}
.cert-band h2 { font-size: clamp(32px, 3.4vw, 44px); font-weight: 800; }
.cert-band p { color: #DCEBF1; font-size: 19px; margin-top: 16px; }
.cert-form { background: #fff; color: var(--ink); border-radius: var(--radius); padding: 30px; box-shadow: 0 4px 10px rgba(10,30,45,.18), 0 24px 56px rgba(10,30,45,.28); }

/* Odredišne stranice */
.hero-stats { list-style: none; margin: 0; padding: 0; display: flex; gap: 12px 28px; flex-wrap: wrap; color: var(--muted); font-size: 17px; }
.hero-stats strong { font-family: var(--font-display); font-size: 26px; color: var(--ink); margin-right: 4px; }
.audience-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.audience { display: flex; flex-direction: column; gap: 12px; padding: 28px; color: var(--ink); text-decoration: none; }
.audience h3 { font-size: 24px; font-weight: 700; }
.audience p { color: var(--muted); flex: 1; }
.audience-link { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; color: var(--primary); text-decoration: none; }
a.audience:hover .audience-link { text-decoration: underline; }
.page-hero { padding: 56px 0 28px; }
.faq-wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); gap: 56px; align-items: start; }
.faq { display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 0 22px; box-shadow: 0 1px 2px rgba(22,38,58,.05); }
.faq-item summary { cursor: pointer; list-style: none; padding: 18px 28px 18px 0; font-weight: 700; font-size: 18px; position: relative; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; position: absolute; right: 0; top: 14px; font-size: 26px; color: var(--primary); font-weight: 400; }
.faq-item[open] summary::after { content: '−'; }
.faq-item p { padding: 0 0 18px; color: var(--muted); }
@media (max-width: 860px) {
  .audience-grid, .faq-wrap { grid-template-columns: minmax(0, 1fr); gap: 20px; }
}
.parents { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; }
.feature { display: flex; gap: 16px; align-items: flex-start; }
.feature strong { display: block; font-size: 19px; }
.feature span { color: var(--muted); }

/* Stranica tečaja */
.course-page { padding: 48px 0 0; }
.course-layout { display: grid; grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); gap: 32px; align-items: start; }
.breadcrumb { font-size: 16px; color: var(--muted); display: flex; gap: 8px; flex-wrap: wrap; }
.course-title { font-size: clamp(38px, 4.4vw, 60px); font-weight: 800; letter-spacing: -0.02em; }
.course-sub { font-size: 21px; color: var(--muted); max-width: 760px; }
.course-meta { display: flex; gap: 24px; flex-wrap: wrap; color: var(--muted); font-size: 17px; }
.course-meta span { display: inline-flex; gap: 8px; align-items: center; }
.learn-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 28px; list-style: none; margin: 0; padding: 0; }
.learn-list li { display: flex; gap: 10px; align-items: flex-start; }
.learn-list svg { flex-shrink: 0; margin-top: 3px; }
.prose { font-size: 19px; line-height: 1.7; }
.prose > * + * { margin-top: 1em; }
.prose h2 { font-size: 30px; margin-top: 1.4em; }
.prose h3 { font-size: 24px; margin-top: 1.3em; }
.prose img { border-radius: 14px; }
.prose pre { font-family: var(--font-mono); font-size: 16px; background: var(--ink); color: #E9EEF4; border-radius: 16px; padding: 18px 20px; overflow-x: auto; box-shadow: 0 2px 6px rgba(22,38,58,.16), 0 14px 34px rgba(22,38,58,.22); }
.prose code { font-family: var(--font-mono); font-size: .9em; background: var(--track); padding: 2px 6px; border-radius: 6px; }
.prose pre code { background: none; padding: 0; font-size: inherit; }
.prose blockquote { margin-left: 0; padding: 16px 22px; background: var(--sun-soft); border-radius: 16px; }
.prose table { border-collapse: collapse; width: 100%; }
.prose th, .prose td { border: 1px solid var(--line); padding: 8px 12px; text-align: left; }
.prose iframe { width: 100%; aspect-ratio: 16 / 9; height: auto; border: 0; border-radius: 16px; }

.curriculum { overflow: hidden; }
.curr-section + .curr-section { border-top: 1px solid var(--line); }
.curr-head { display: flex; align-items: center; gap: 14px; padding: 20px 26px; background: var(--paper-2); border-bottom: 1px solid var(--line); }
.curr-head h3 { font-size: 22px; flex: 1; }
.curr-list { list-style: none; margin: 0; padding: 0; }
.curr-list li { display: flex; align-items: center; gap: 16px; padding: 16px 26px; border-bottom: 1px solid var(--line-soft); font-size: 18px; }
.curr-list li:last-child { border-bottom: 0; }
.curr-num { width: 32px; text-align: center; color: var(--muted); flex-shrink: 0; }
.curr-title { flex: 1; }
.curr-type { font-size: 15px; color: var(--muted); width: 80px; text-align: right; }

.mobile-cta { display: none; flex-direction: column; gap: 10px; }
.enroll-card { position: sticky; top: 24px; overflow: hidden; box-shadow: var(--shadow-lift); }
.enroll-art { height: 190px; display: flex; align-items: center; justify-content: center; }
.enroll-art.has-cover { height: auto; aspect-ratio: 16 / 9; }
.enroll-body { padding: 28px; display: flex; flex-direction: column; gap: 16px; }
.price { font-family: var(--font-display); font-size: 36px; font-weight: 800; }
.checklist { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; color: var(--muted); font-size: 17px; }
.checklist li { display: flex; gap: 10px; }
.instructor { display: flex; gap: 22px; align-items: center; }
.author-hero { display: flex; gap: 36px; align-items: center; }
.author-photo { width: 168px; height: 168px; border-radius: 50%; object-fit: cover; flex-shrink: 0; box-shadow: 0 2px 6px rgba(22,38,58,.10), 0 18px 40px rgba(22,38,58,.14); }
.author-initials { display: inline-flex; align-items: center; justify-content: center; background: var(--primary-soft); color: var(--primary); font-family: var(--font-display); font-size: 56px; font-weight: 800; }
.author-bio { max-width: 760px; }
.author-link { color: var(--ink); text-decoration: none; }
.author-link:hover { text-decoration: underline; }
.avatar-img { object-fit: cover; border-radius: 50%; padding: 0; }
@media (max-width: 640px) { .author-hero { flex-direction: column; align-items: flex-start; gap: 20px; } .author-photo { width: 120px; height: 120px; } .author-initials { font-size: 40px; } }
.instructor .avatar { width: 84px; height: 84px; font-family: var(--font-display); font-size: 30px; font-weight: 800; background: var(--primary-soft); color: var(--primary); flex-shrink: 0; }

/* Forme */
.form { display: flex; flex-direction: column; gap: 20px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field > label, .field > .label { font-weight: 700; font-size: 17px; }
.field .hint { font-size: 15px; color: var(--muted); }
.field .error { font-size: 15px; color: var(--danger); font-weight: 700; }
.input, select.input, textarea.input {
  font-family: inherit; font-size: 18px; color: var(--ink); width: 100%;
  padding: 13px 16px; border: 2px solid #D8CDB6; border-radius: 14px; background: var(--paper-2);
}
.input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px rgba(30,91,120,.15); }
.input.has-error { border-color: var(--danger); }
textarea.input { min-height: 120px; resize: vertical; line-height: 1.5; }
.choice { display: flex; gap: 12px; align-items: flex-start; padding: 14px 16px; border: 2px solid #D8CDB6; border-radius: 14px; cursor: pointer; background: var(--paper-2); }
.choice input { margin-top: 5px; width: 18px; height: 18px; accent-color: var(--primary); }
.choice:has(input:checked) { border-color: var(--primary); background: #EEF6FA; }
.checkbox { display: flex; gap: 10px; align-items: flex-start; font-size: 17px; }
.checkbox input { width: 20px; height: 20px; margin-top: 3px; accent-color: var(--primary); }
.parent-fields { display: none; flex-direction: column; gap: 16px; padding: 18px; border-radius: 16px; background: #EEF6FA; }
.parent-fields.show { display: flex; }

/* Auth */
.auth-shell { flex: 1; display: flex; align-items: center; justify-content: center; padding: 48px 20px; }
.auth-card { width: 100%; max-width: 520px; padding: 40px; }
.auth-card h1 { font-size: 36px; font-weight: 800; }
.auth-logo { display: block; margin: 0 auto 28px; width: 180px; }

/* Moji tečajevi */
.dash { padding: 48px 0; }
.dash-grid { display: grid; grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); gap: 32px; align-items: start; }
.continue-card { display: flex; align-items: center; gap: 28px; padding: 32px 36px; border-radius: 26px; background: var(--primary); color: #fff; text-decoration: none; box-shadow: 0 4px 10px rgba(30,91,120,.18), 0 26px 60px rgba(30,91,120,.30); }
.my-course { display: flex; align-items: center; gap: 24px; padding: 22px 26px; }

/* Stranice s tekstom */
.page { padding: 56px 0; }
.page .prose { max-width: 820px; }

/* Admin */
.admin-shell { display: grid; grid-template-columns: 260px minmax(0, 1fr); min-height: 100vh; }
.admin-side { background: var(--ink); color: #C9D3E0; padding: 24px 16px; display: flex; flex-direction: column; gap: 4px; }
.admin-side .brand { display: block; background: var(--paper); border-radius: 14px; padding: 10px 14px; margin-bottom: 20px; }
.admin-side .brand img { height: 30px; display: block; }
.admin-side a { color: #E3E9F1; text-decoration: none; display: flex; align-items: center; gap: 12px; padding: 11px 14px; border-radius: 12px; font-weight: 700; font-size: 16px; }
.admin-side a:hover { background: rgba(255,255,255,.07); color: #fff; }
.admin-side a[aria-current="page"] { background: rgba(255,255,255,.12); color: #fff; }
.admin-side .sep { height: 1px; background: rgba(255,255,255,.1); margin: 12px 8px; }
.admin-main { padding: 32px 40px 64px; min-width: 0; }
.admin-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 28px; flex-wrap: wrap; }
.admin-top h1 { font-size: 34px; font-weight: 800; }
.table { width: 100%; border-collapse: collapse; font-size: 16px; }
.table th { text-align: left; font-size: 13px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); padding: 12px 16px; border-bottom: 1px solid var(--line); }
.table td { padding: 14px 16px; border-bottom: 1px solid var(--line-soft); vertical-align: middle; }
.table tr:last-child td { border-bottom: 0; }
.stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.stat { padding: 22px 24px; }
.stat b { display: block; font-family: var(--font-display); font-size: 36px; }
.grid-2 { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 28px; align-items: start; }
.grid-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.swatches { display: flex; gap: 10px; flex-wrap: wrap; }
.swatch { position: relative; }
.swatch input { position: absolute; opacity: 0; }
.swatch span { display: block; width: 44px; height: 44px; border-radius: 12px; border: 2px solid transparent; box-shadow: inset 0 0 0 1px rgba(22,38,58,.12); cursor: pointer; }
.swatch input:checked + span { border-color: var(--ink); }
.swatch input:focus-visible + span { outline: 3px solid var(--sun); outline-offset: 2px; }

.builder-section { border: 1px solid var(--line); border-radius: 18px; background: var(--paper-2); }
.builder-section + .builder-section { margin-top: 16px; }
.builder-head { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.builder-head .input { font-family: var(--font-display); font-weight: 700; font-size: 18px; padding: 8px 12px; background: #fff; }
.builder-lessons { list-style: none; margin: 0; padding: 8px; min-height: 48px; }
.builder-lesson { display: flex; align-items: center; gap: 10px; padding: 10px 12px; background: #fff; border: 1px solid var(--line-soft); border-radius: 12px; margin-bottom: 6px; }
.builder-lesson a.title { flex: 1; color: var(--ink); font-weight: 700; text-decoration: none; }
.builder-lesson a.title:hover { color: var(--primary); }
.handle { cursor: grab; color: #A89B80; display: inline-flex; padding: 4px; border: 0; background: none; }
.dragging { opacity: .45; }
.drop-hint { outline: 2px dashed var(--primary); outline-offset: 2px; }
.builder-add { display: flex; gap: 8px; padding: 10px 14px 14px; flex-wrap: wrap; }
.builder-add .input { flex: 1; min-width: 180px; font-size: 16px; padding: 9px 12px; }
.builder-add select.input { flex: 0 0 150px; min-width: 0; }
.save-status { font-size: 15px; color: var(--muted); }
.tox-tinymce { border-radius: 14px !important; border: 2px solid #D8CDB6 !important; }


/* Lekcija (layout za učenje) */
.learn-body { background: var(--paper); }
.learn-top {
  position: sticky; top: 0; z-index: 20; height: 68px; padding: 0 24px; display: flex; align-items: center; gap: 20px;
  background: var(--surface); border-bottom: 1px solid var(--line); box-shadow: var(--shadow-bar);
}
.learn-back { display: flex; align-items: center; gap: 8px; color: var(--ink); text-decoration: none; font-weight: 700; min-width: 0; }
.learn-back span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.learn-top-right { margin-left: auto; display: flex; align-items: center; gap: 16px; }
.learn-progress { display: flex; align-items: center; gap: 12px; font-size: 16px; color: var(--muted); }
.learn-progress .progress { width: 200px; }
.learn-toc-toggle { display: none; background: none; border: 0; width: 44px; height: 44px; align-items: center; justify-content: center; color: var(--ink); cursor: pointer; }
.learn-shell { display: grid; grid-template-columns: 330px minmax(0, 1fr); min-height: calc(100vh - 68px); }
.learn-toc {
  background: var(--surface); border-right: 1px solid var(--line); padding: 20px 14px; box-shadow: 8px 0 28px rgba(22,38,58,.04);
  position: sticky; top: 68px; height: calc(100vh - 68px); overflow-y: auto;
}
.learn-toc-section { font-size: 13px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); padding: 14px 12px 6px; }
.learn-toc-item { display: flex; gap: 12px; align-items: center; padding: 10px 12px; border-radius: 12px; color: var(--ink); text-decoration: none; font-size: 16px; line-height: 1.35; }
.learn-toc-item svg { flex-shrink: 0; }
a.learn-toc-item:hover { background: var(--paper); color: var(--ink); }
.learn-toc-item.is-done { color: var(--muted); }
.learn-toc-item.is-current { background: var(--primary-soft); font-weight: 700; color: var(--ink); }
.learn-toc-item.is-locked { color: #A89B80; }
.learn-main { display: flex; flex-direction: column; min-width: 0; }
.learn-article { flex: 1; width: 100%; max-width: 820px; margin: 0 auto; padding: 44px 28px 40px; display: flex; flex-direction: column; gap: 20px; }
.learn-title { font-size: clamp(32px, 4vw, 48px); font-weight: 800; }
.learn-video { aspect-ratio: 16 / 9; border-radius: 18px; overflow: hidden; box-shadow: var(--shadow-card); background: #000; }
.learn-video iframe { width: 100%; height: 100%; border: 0; display: block; }
.learn-bar {
  position: sticky; bottom: 0; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px 32px; background: var(--surface); border-top: 1px solid var(--line); box-shadow: 0 -6px 24px rgba(22,38,58,.06);
}
.learn-bar form { margin: 0; }
.learn-prev { display: flex; align-items: center; gap: 8px; color: var(--ink); text-decoration: none; font-weight: 700; min-width: 0; }
.learn-prev span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 320px; }

/* Kviz */
.quiz-q { border: 1px solid var(--line); padding: 22px 24px; margin: 0; display: flex; flex-direction: column; gap: 14px; }
.quiz-q.is-wrong { border-color: #E8A39B; box-shadow: 0 0 0 3px rgba(180,35,24,.08), var(--shadow-card); }
.quiz-q.is-right { border-color: #9FD0B2; }
.quiz-q-head { display: flex; gap: 14px; align-items: flex-start; }
.quiz-num { flex-shrink: 0; width: 32px; height: 32px; border-radius: 50%; background: var(--primary-soft); color: var(--primary); font-weight: 700; display: inline-flex; align-items: center; justify-content: center; }
.quiz-q-text { font-weight: 700; font-size: 19px; white-space: pre-wrap; padding-top: 3px; }
.quiz-order { list-style: decimal; margin: 0; padding-left: 1.6em; display: flex; flex-direction: column; gap: 8px; }
.quiz-order li { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper-2); cursor: grab; }
.quiz-order li.dragging { opacity: .45; }
.quiz-order-text { flex: 1; font-family: var(--font-mono); font-size: 16px; white-space: pre-wrap; }
.quiz-order-btns { display: flex; gap: 6px; }
.quiz-order-btns button { width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 10px; background: #fff; font-size: 18px; cursor: pointer; color: var(--ink); }
.quiz-match { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; }
.quiz-match-left { flex: 0 1 12em; font-weight: 700; }
.quiz-match select { flex: 1 1 16em; }

@media (max-width: 860px) {
  .learn-top { padding: 0 8px 0 12px; gap: 8px; }
  .learn-progress > span { display: none; }
  .learn-progress .progress { width: 90px; }
  .learn-toc-toggle { display: inline-flex; }
  .learn-shell { grid-template-columns: minmax(0, 1fr); }
  .learn-toc { display: none; position: fixed; top: 68px; left: 0; right: 0; bottom: 0; height: auto; z-index: 15; border-right: 0; }
  .learn-toc.open { display: block; }
  .learn-article { padding: 28px 18px 28px; }
  .learn-bar { padding: 12px 14px 18px; }
  .learn-prev span { display: none; }
  .learn-bar .btn-lg { font-size: 17px; padding: 14px 20px; }
}

/* Uređivač kviza (admin) */
.qe-q { padding: 18px 20px; display: flex; flex-direction: column; gap: 10px; border-left: 4px solid var(--primary); }
.qe-opts { display: flex; flex-direction: column; gap: 8px; margin-bottom: 8px; }
.qe-opt { display: flex; align-items: center; gap: 8px; }
.qe-opt .input { padding: 9px 12px; font-size: 16px; }
.qe-correct { display: flex; align-items: center; gap: 6px; white-space: nowrap; font-size: 15px; color: var(--muted); }
.qe-grip { color: #A89B80; }
.qe-q:not([data-type="choice"]) .qe-only-choice,
.qe-q:not([data-type="order"]) .qe-only-order,
.qe-q:not([data-type="match"]) .qe-only-match,
.qe-q:not([data-type="text"]) .qe-only-text,
.qe-q[data-type="text"] .qe-not-text { display: none !important; }
/* Greške */
.error-page { text-align: center; padding: 96px 20px; }
.error-page h1 { font-size: 72px; font-weight: 800; color: var(--primary); }

/* Mobitel i tablet */
@media (max-width: 1024px) {
  .course-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .admin-shell { grid-template-columns: 1fr; }
  .admin-side { flex-direction: row; flex-wrap: wrap; align-items: center; padding: 12px; }
  .admin-side .brand { margin: 0 8px 0 0; }
  .admin-side .sep { display: none; }
  .admin-main { padding: 24px 20px 48px; }
}
@media (max-width: 860px) {
  body { font-size: 17px; }
  .wrap { padding: 0 20px; }
  .site-header .wrap { height: 68px; gap: 12px; }
  .site-logo img { height: 34px; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; order: 3; }
  .header-actions { margin-left: auto; }
  .header-actions .btn-primary { font-size: 15px; padding: 8px 14px; min-height: 40px; }
  .chip { white-space: normal; }
  .site-nav {
    display: none; position: absolute; left: 0; right: 0; top: 68px; flex-direction: column; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: var(--shadow-bar); padding: 8px 20px 16px;
  }
  .site-nav a { padding: 12px 0; }
  .site-header.open .site-nav { display: flex; }
  .header-actions .btn-ghost { display: none; }
  .hero { padding: 48px 0 56px; }
  /* minmax(0,1fr): najširi element (npr. kartica u heroju) ne smije raširiti stupac preko ekrana */
  .hero .wrap, .parents, .cert-band, .course-layout, .dash-grid, .grid-2, .grid-fields { grid-template-columns: minmax(0, 1fr); }
  .hero-art { min-height: 0; }
  .hero-card { position: static; width: 100%; }
  .hero-cert, .hero-pill { display: none; }
  .mobile-cta { display: flex !important; }
  .steps, .course-grid, .learn-list { grid-template-columns: minmax(0, 1fr); }
  .cert-band { padding: 36px 24px; border-radius: 24px; }
  .section, .band { padding: 56px 0; }
  .enroll-card { position: static; }
  .auth-card { padding: 28px 22px; }
  .curr-list li, .curr-head { padding-left: 18px; padding-right: 18px; }
  .curr-type { display: none; }
  .continue-card { flex-direction: column; align-items: flex-start; padding: 24px; }
  .my-course { flex-wrap: wrap; }
  .table { font-size: 15px; }
}

/* Predaje zadataka */
.badge-warn { background: var(--sun-soft); color: #7A5200; }
.assignment { border-color: #B7D8E6; }
.review-box { padding: 16px 18px; border-radius: 14px; border: 1px solid; }
.review-box.is-passed { background: #E7F4EC; border-color: #BFE0CB; }
.review-box.is-revise { background: #FFF6E0; border-color: #F2D894; }
.grade-pill { font-weight: 800; font-size: 15px; padding: 3px 10px; border-radius: 999px; background: #fff; border: 1px solid var(--line); }
.submission-text { white-space: normal; background: var(--line-soft); border-radius: 14px; padding: 16px 18px; line-height: 1.55; overflow-wrap: anywhere; }
.file-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.file-list li { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; font-size: 16px; }
.file-list a { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; overflow-wrap: anywhere; }
.file-remove { font-size: 14px; color: var(--muted); display: inline-flex; gap: 6px; align-items: center; }
.file-preview img { max-width: 100%; max-height: 420px; border-radius: 12px; border: 1px solid var(--line); }
.grade-picker { display: flex; gap: 8px; flex-wrap: wrap; }
.grade-picker label { cursor: pointer; }
.grade-picker input { position: absolute; opacity: 0; pointer-events: none; }
.grade-picker span { display: inline-flex; min-width: 44px; height: 44px; padding: 0 10px; align-items: center; justify-content: center; border-radius: 12px; border: 1.5px solid var(--line); font-weight: 700; background: #fff; }
.grade-picker input:checked + span { background: var(--primary); border-color: var(--primary); color: #fff; }
.grade-picker input:focus-visible + span { outline: 3px solid var(--sun); outline-offset: 2px; }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 18px; }
.tabs a { padding: 8px 14px; border-radius: 999px; font-weight: 600; color: var(--muted); text-decoration: none; border: 1px solid transparent; }
.tabs a[aria-current="page"] { background: #fff; color: var(--ink); border-color: var(--line); box-shadow: 0 1px 2px rgba(22,38,58,.06); }
.wait-count { font-variant-numeric: tabular-nums; font-weight: 600; opacity: .9; }
.nav-count { margin-left: auto; font-size: 13px; font-weight: 800; background: var(--sun); color: var(--ink); border-radius: 999px; padding: 1px 8px; }

/* Obavijesti */
.bell { position: relative; display: inline-flex; width: 44px; height: 44px; align-items: center; justify-content: center; border-radius: 50%; color: var(--ink); }
.bell:hover { background: var(--line-soft); }
.bell-count { position: absolute; top: 4px; right: 2px; min-width: 19px; height: 19px; padding: 0 5px; border-radius: 999px; background: var(--danger); color: #fff; font-size: 12px; font-weight: 800; line-height: 19px; text-align: center; }
.notif-list { overflow: hidden; }
.notif { display: flex; gap: 14px; align-items: flex-start; padding: 16px 22px; color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--line-soft); }
.notif:last-child { border-bottom: 0; }
.notif:hover { background: var(--paper); }
.notif strong { font-weight: 600; }
.notif.is-unread { background: #F4FAFD; }
.notif.is-unread strong { font-weight: 800; }
.notif-dot { width: 9px; height: 9px; border-radius: 50%; margin-top: 8px; flex: none; background: transparent; }
.notif.is-unread .notif-dot { background: var(--primary); }
.notif-time { font-size: 14px; white-space: nowrap; }

/* Profil */
.input-readonly { background: var(--line-soft); color: var(--muted); display: flex; align-items: center; }
.danger-zone { border-color: #F0C6C0; }
@media (max-width: 560px) {
  .notif { padding: 14px 16px; flex-wrap: wrap; }
  .notif-time { width: 100%; padding-left: 23px; }
}

/* Statistika (admin) */
.stat-tiles { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; }
.stat-tile { padding: 18px 20px; display: flex; flex-direction: column; gap: 4px; }
.stat-label { font-size: 14px; color: var(--muted); }
.stat-value { font-family: var(--font-display); font-size: 32px; font-weight: 800; color: var(--ink); font-variant-numeric: tabular-nums; }
.vbars { display: flex; align-items: flex-end; gap: 2px; height: 180px; border-bottom: 1px solid var(--line); }
.vbar { flex: 1; height: 100%; display: flex; align-items: flex-end; position: relative; cursor: default; outline: none; }
.vbar span { display: block; width: 100%; background: var(--primary); border-radius: 4px 4px 0 0; min-height: 0; }
.vbar:hover span, .vbar:focus span { background: #164760; }
.vbar:hover::after, .vbar:focus::after { content: attr(data-tip); position: absolute; bottom: calc(100% + 6px); left: 50%; transform: translateX(-50%); white-space: nowrap; background: var(--ink); color: #fff; font-size: 13px; padding: 5px 9px; border-radius: 8px; z-index: 5; pointer-events: none; }
.vbar:first-child:hover::after, .vbar:first-child:focus::after { left: 0; transform: none; }
.vbar:last-child:hover::after, .vbar:last-child:focus::after { left: auto; right: 0; transform: none; }
.vbars-axis { display: flex; justify-content: space-between; font-size: 13px; }
@media (max-width: 1024px) { .stat-tiles { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 560px) { .stat-tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.course-card-body { flex: 1; }
.course-card-sub { color: var(--muted); font-size: 16px; line-height: 1.5; margin: 0; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.course-card-meta { font-size: 15px; margin-top: auto; padding-top: 4px; }

/* Narudžbe / uplata */
.pay-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 20px; align-items: start; }
.pay-list { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 10px 18px; margin: 0; }
.pay-list dt { color: var(--muted); font-size: 15px; }
.pay-list dd { margin: 0; font-size: 17px; overflow-wrap: anywhere; }
.mono { font-family: var(--font-mono); letter-spacing: .01em; }
[data-copy] { cursor: copy; border-bottom: 1px dashed var(--line); }
[data-copy].copied { background: var(--mint-soft); }
.hub3 { max-width: 100%; height: auto; image-rendering: pixelated; background: #fff; border-radius: 8px; }
.card-price { color: var(--ink); font-weight: 700; }
@media (max-width: 760px) { .pay-grid { grid-template-columns: minmax(0, 1fr); } }