/* ══════════════════════════════════════════════
   CertForge Quiz Engine — quiz.css
   Mobiel-first interactieve quizomgeving
   ══════════════════════════════════════════════ */

/* ── Wrapper ── */
.cf-quiz-app {
    max-width: 720px;
    margin: 0 auto;
    font-family: var(--font-display, 'Space Grotesk', sans-serif);
    color: var(--forge-text, #e2e4e8);
}

/* ── Schermen ── */
.cf-scherm { animation: cf-infaden .25s ease; }
@keyframes cf-infaden { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

/* ══════════════════════════════════════════════
   STARTSCHERM
   ══════════════════════════════════════════════ */
.cf-scherm-start {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    padding: 48px 32px;
    background: var(--forge-card, #1a1d22);
    border: 1px solid var(--forge-border, #2a2e35);
    border-radius: 16px;
    text-align: center;
}

.cf-start-icoon { font-size: 56px; line-height: 1; }

.cf-quiz-titel {
    font-size: clamp(22px, 4vw, 32px);
    font-weight: 700;
    color: var(--forge-white, #f5f6f8);
    letter-spacing: -.02em;
    margin: 0;
}

.cf-start-meta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}
.cf-meta-item {
    font-size: 14px;
    color: var(--forge-muted, #6b7280);
    display: flex;
    align-items: center;
    gap: 6px;
}
.cf-meta-item strong { color: var(--forge-white, #f5f6f8); }

.cf-start-acties { display: flex; flex-direction: column; gap: 12px; align-items: center; width: 100%; max-width: 320px; }
.cf-start-info { font-size: 13px; color: var(--forge-muted, #6b7280); max-width: 400px; }

/* Voortgang blok op startscherm */
.cf-voortgang-blok {
    width: 100%;
    max-width: 380px;
    background: var(--forge-dark, #131619);
    border: 1px solid var(--forge-border, #2a2e35);
    border-radius: 10px;
    padding: 16px 20px;
    text-align: left;
}
.cf-voortgang-label { font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--forge-amber, #f59e0b); margin-bottom: 10px; }
.cf-voortgang-rijen { display: flex; gap: 24px; margin-bottom: 12px; }
.cf-voortgang-rij { display: flex; flex-direction: column; gap: 2px; font-size: 13px; color: var(--forge-muted, #6b7280); }
.cf-voortgang-rij strong { font-size: 20px; font-weight: 700; color: var(--forge-white, #f5f6f8); }
.cf-geschiedenis { display: flex; flex-direction: column; gap: 6px; }
.cf-geschiedenis-rij {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--forge-muted, #6b7280);
}
.cf-score-pill {
    padding: 2px 10px;
    border-radius: 999px;
    background: rgba(107,114,128,.15);
    font-weight: 700;
    font-size: 12px;
}
.cf-score-pill.geslaagd { background: rgba(34,197,94,.12); color: #22c55e; }

/* Login vereist */
.cf-login-vereist {
    padding: 40px;
    text-align: center;
    background: var(--forge-card, #1a1d22);
    border: 1px solid var(--forge-border, #2a2e35);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
}

/* ══════════════════════════════════════════════
   QUIZSPELER — Vaste balk
   ══════════════════════════════════════════════ */
.cf-scherm-quiz { display: flex; flex-direction: column; gap: 0; }

.cf-quiz-balk {
    position: sticky;
    top: 64px; /* onder site header */
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 20px;
    background: var(--forge-dark, #131619);
    border: 1px solid var(--forge-border, #2a2e35);
    border-radius: 12px;
    margin-bottom: 24px;
}

.cf-balk-voortgang {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 0;
}
.cf-vraag-teller {
    font-size: 13px;
    font-weight: 700;
    color: var(--forge-white, #f5f6f8);
    white-space: nowrap;
    font-family: var(--font-mono, monospace);
}
.cf-voortgangsbalk {
    flex: 1;
    height: 6px;
    background: var(--forge-border, #2a2e35);
    border-radius: 3px;
    overflow: hidden;
}
.cf-voortgangsbalk-vulling {
    height: 100%;
    background: var(--forge-amber, #f59e0b);
    border-radius: 3px;
    transition: width .3s ease;
}

/* Timer */
.cf-timer {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: rgba(245,158,11,.08);
    border: 1px solid rgba(245,158,11,.2);
    border-radius: 999px;
    flex-shrink: 0;
}
.cf-timer-icoon { font-size: 14px; }
.cf-timer-tijd {
    font-family: var(--font-mono, monospace);
    font-size: 16px;
    font-weight: 700;
    color: var(--forge-amber, #f59e0b);
    min-width: 48px;
}
.cf-timer-waarschuwing .cf-timer-tijd { color: #fb923c; }
.cf-timer-waarschuwing { border-color: rgba(251,146,60,.3); background: rgba(251,146,60,.08); }
.cf-timer-kritiek .cf-timer-tijd {
    color: #ef4444;
    animation: cf-puls .6s ease-in-out infinite;
}
.cf-timer-kritiek { border-color: rgba(239,68,68,.3); background: rgba(239,68,68,.08); }
@keyframes cf-puls { 0%,100% { opacity:1; } 50% { opacity:.5; } }

/* ══════════════════════════════════════════════
   VRAAG
   ══════════════════════════════════════════════ */
.cf-vraag-container {
    padding: 0 4px;
    margin-bottom: 24px;
    min-height: 280px;
}

.cf-vraag { display: flex; flex-direction: column; gap: 20px; }

.cf-vraag-nummer {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--forge-muted, #6b7280);
}
.cf-punten {
    margin-left: auto;
    background: rgba(245,158,11,.1);
    color: var(--forge-amber, #f59e0b);
    border: 1px solid rgba(245,158,11,.2);
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .04em;
}

.cf-vraag-tekst {
    font-size: clamp(16px, 2.5vw, 20px);
    font-weight: 600;
    color: var(--forge-white, #f5f6f8);
    line-height: 1.5;
    margin: 0;
}

/* Antwoordopties */
.cf-opties { display: flex; flex-direction: column; gap: 10px; }

.cf-optie {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 14px 18px;
    background: var(--forge-card, #1a1d22);
    border: 1.5px solid var(--forge-border, #2a2e35);
    border-radius: 10px;
    cursor: pointer;
    transition: border-color .15s, background .15s, transform .1s;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    position: relative;
}
.cf-optie:hover { border-color: var(--forge-amber, #f59e0b); background: rgba(245,158,11,.04); }
.cf-optie:active { transform: scale(.99); }
.cf-optie.gekozen {
    border-color: var(--forge-amber, #f59e0b);
    background: rgba(245,158,11,.08);
}
.cf-optie input[type="radio"],
.cf-optie input[type="checkbox"] { position: absolute; opacity: 0; width: 0; height: 0; }

.cf-optie-marker {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1.5px solid var(--forge-border, #2a2e35);
    background: var(--forge-dark, #131619);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    color: var(--forge-muted, #6b7280);
    font-family: var(--font-mono, monospace);
    transition: all .15s;
    margin-top: 1px;
}
.cf-optie.gekozen .cf-optie-marker {
    background: var(--forge-amber, #f59e0b);
    border-color: var(--forge-amber, #f59e0b);
    color: #0d0f11;
}

.cf-optie-tekst {
    font-size: 15px;
    color: var(--forge-text, #e2e4e8);
    line-height: 1.5;
    flex: 1;
}
.cf-optie.gekozen .cf-optie-tekst { color: var(--forge-white, #f5f6f8); font-weight: 500; }

/* ══════════════════════════════════════════════
   NAVIGATIE
   ══════════════════════════════════════════════ */
.cf-quiz-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 20px;
    padding: 16px 0;
    border-top: 1px solid var(--forge-border, #2a2e35);
}

/* Bullet nav */
.cf-vraag-bullets {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    justify-content: center;
    flex: 1;
    max-height: 60px;
    overflow: hidden;
}
.cf-bullet {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--forge-border, #2a2e35);
    border: none;
    cursor: pointer;
    transition: all .15s;
    padding: 0;
    flex-shrink: 0;
}
.cf-bullet.actief    { background: var(--forge-amber, #f59e0b); transform: scale(1.4); }
.cf-bullet.beantwoord { background: rgba(245,158,11,.4); }
.cf-bullet.actief.beantwoord { background: var(--forge-amber, #f59e0b); }

/* Inzenden knop */
.cf-quiz-inzenden-wrap {
    text-align: center;
    padding: 24px;
    background: var(--forge-dark, #131619);
    border: 1px solid var(--forge-border, #2a2e35);
    border-radius: 12px;
    margin-bottom: 16px;
}
.cf-inzenden-info {
    font-size: 13px;
    color: var(--forge-muted, #6b7280);
    margin-top: 10px;
}
.cf-inzenden-knop { width: 100%; max-width: 280px; }

/* ══════════════════════════════════════════════
   RESULTAATSCHERM
   ══════════════════════════════════════════════ */
.cf-scherm-resultaat { display: flex; flex-direction: column; gap: 32px; }

/* Hero */
.cf-resultaat-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 40px 32px;
    border-radius: 16px;
    text-align: center;
    border: 1px solid transparent;
}
.cf-resultaat-hero.geslaagd {
    background: linear-gradient(160deg, rgba(34,197,94,.08) 0%, var(--forge-card, #1a1d22) 70%);
    border-color: rgba(34,197,94,.25);
}
.cf-resultaat-hero.gezakt {
    background: linear-gradient(160deg, rgba(245,158,11,.06) 0%, var(--forge-card, #1a1d22) 70%);
    border-color: rgba(245,158,11,.2);
}
.cf-resultaat-icoon { font-size: 56px; line-height: 1; }
.cf-resultaat-hero h2 {
    font-size: clamp(24px, 4vw, 36px);
    font-weight: 700;
    color: var(--forge-white, #f5f6f8);
    margin: 0;
    letter-spacing: -.02em;
}

/* Score ring SVG */
.cf-score-ring {
    position: relative;
    width: 140px;
    height: 140px;
    flex-shrink: 0;
}
.cf-score-ring svg { width: 100%; height: 100%; }
.cf-score-tekst {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
}
.cf-score-getal {
    font-size: 30px;
    font-weight: 700;
    color: var(--forge-white, #f5f6f8);
    font-family: var(--font-mono, monospace);
    line-height: 1;
}
.cf-score-label { font-size: 11px; color: var(--forge-muted, #6b7280); }

/* Resultaat stats */
.cf-resultaat-stats {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    justify-content: center;
}
.cf-rs-item { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.cf-rs-getal { font-size: 22px; font-weight: 700; color: var(--forge-white, #f5f6f8); font-family: var(--font-mono, monospace); }
.cf-rs-label { font-size: 12px; color: var(--forge-muted, #6b7280); }

/* Foutenanalyse */
.cf-foutenanalyse h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--forge-white, #f5f6f8);
    margin-bottom: 16px;
}
.cf-foutenanalyse-vragen { display: flex; flex-direction: column; gap: 12px; }

.cf-resultaat-vraag {
    border: 1px solid var(--forge-border, #2a2e35);
    border-radius: 10px;
    overflow: hidden;
}
.cf-resultaat-vraag.correct { border-color: rgba(34,197,94,.25); }
.cf-resultaat-vraag.incorrect { border-color: rgba(239,68,68,.25); }

.cf-rv-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--forge-card, #1a1d22);
    border-bottom: 1px solid var(--forge-border, #2a2e35);
}
.cf-resultaat-vraag.correct .cf-rv-header  { background: rgba(34,197,94,.05); }
.cf-resultaat-vraag.incorrect .cf-rv-header { background: rgba(239,68,68,.05); }

.cf-rv-nr {
    font-family: var(--font-mono, monospace);
    font-size: 12px;
    font-weight: 700;
    color: var(--forge-muted, #6b7280);
}
.cf-rv-icoon {
    font-size: 16px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.cf-resultaat-vraag.correct  .cf-rv-icoon { background: rgba(34,197,94,.15); color: #22c55e; }
.cf-resultaat-vraag.incorrect .cf-rv-icoon { background: rgba(239,68,68,.15); color: #ef4444; }

.cf-rv-label { font-size: 13px; font-weight: 600; }
.cf-resultaat-vraag.correct  .cf-rv-label { color: #22c55e; }
.cf-resultaat-vraag.incorrect .cf-rv-label { color: #ef4444; }
.cf-rv-punten { margin-left: auto; font-size: 12px; font-family: var(--font-mono, monospace); color: var(--forge-muted, #6b7280); }

.cf-rv-vraag {
    padding: 12px 16px 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--forge-text, #e2e4e8);
    line-height: 1.5;
    margin: 0;
}

.cf-rv-antwoorden {
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.cf-rv-ant {
    display: flex;
    gap: 8px;
    font-size: 13px;
    padding: 8px 12px;
    border-radius: 6px;
    line-height: 1.5;
}
.cf-rv-ant.jouw    { background: rgba(239,68,68,.07); }
.cf-rv-ant.juist   { background: rgba(34,197,94,.07); }
.cf-rv-ant.uitleg  { background: rgba(59,130,246,.07); }
.cf-rv-ant-label   { font-weight: 700; color: var(--forge-muted, #6b7280); white-space: nowrap; }
.cf-rv-ant.jouw  .cf-rv-ant-label  { color: #ef4444; }
.cf-rv-ant.juist .cf-rv-ant-label  { color: #22c55e; }
.cf-rv-ant.uitleg .cf-rv-ant-label { color: #3b82f6; }

/* Resultaat acties */
.cf-resultaat-acties {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    padding: 24px 0 8px;
    border-top: 1px solid var(--forge-border, #2a2e35);
}

/* ══════════════════════════════════════════════
   QUIZ OVERZICHT (shortcode)
   ══════════════════════════════════════════════ */
.cf-quiz-overzicht {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.cf-quiz-kaart {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 24px;
    background: var(--forge-card, #1a1d22);
    border: 1px solid var(--forge-border, #2a2e35);
    border-radius: 12px;
    transition: border-color .15s;
}
.cf-quiz-kaart.geslaagd { border-color: rgba(34,197,94,.3); }
.cf-quiz-kaart-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; }
.cf-quiz-kaart h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--forge-white, #f5f6f8);
    margin: 0;
    flex: 1;
    line-height: 1.4;
}
.cf-badge-geslaagd {
    font-size: 11px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 999px;
    background: rgba(34,197,94,.12);
    color: #22c55e;
    white-space: nowrap;
    flex-shrink: 0;
}
.cf-quiz-kaart-meta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    font-size: 13px;
    color: var(--forge-muted, #6b7280);
}
.cf-quiz-kaart-intro { font-size: 13px; color: var(--forge-muted, #6b7280); line-height: 1.5; margin: 0; }
.cf-quiz-pogingen { font-size: 12px; color: var(--forge-muted, #6b7280); text-align: center; }

/* Fout banner */
.cf-fout-banner {
    background: rgba(239,68,68,.1);
    border: 1px solid rgba(239,68,68,.3);
    color: #ef4444;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 16px;
    animation: cf-infaden .2s ease;
}
.cf-fout { color: #ef4444; font-size: 14px; }

/* ══════════════════════════════════════════════
   MOBIELE OPTIMALISATIES
   ══════════════════════════════════════════════ */

/* Grote aanraakdoelen op mobiel */
@media (max-width: 640px) {
    .cf-scherm-start { padding: 32px 20px; gap: 20px; }
    .cf-quiz-balk {
        top: 0; /* Op mobiel: geen site header sticky offset */
        border-radius: 0 0 12px 12px;
        border-top: none;
        padding: 10px 14px;
        gap: 10px;
    }
    .cf-optie { padding: 14px; gap: 12px; min-height: 56px; /* min aanraakdoel */ }
    .cf-optie-tekst { font-size: 14px; }
    .cf-optie-marker { width: 26px; height: 26px; }
    .cf-vraag-tekst { font-size: 17px; }
    .cf-quiz-nav { gap: 8px; }
    .cf-vraag-bullets { max-height: 40px; gap: 5px; }
    .cf-bullet { width: 9px; height: 9px; }
    .cf-resultaat-hero { padding: 28px 20px; }
    .cf-score-ring { width: 120px; height: 120px; }
    .cf-score-getal { font-size: 26px; }
    .cf-rv-antwoorden { flex-direction: column; }
    .cf-rv-ant { flex-direction: column; gap: 4px; }
    .cf-resultaat-acties { flex-direction: column; align-items: stretch; }
    .cf-quiz-overzicht { grid-template-columns: 1fr; }
}

/* Tablet */
@media (min-width: 641px) and (max-width: 900px) {
    .cf-optie { padding: 14px 16px; }
    .cf-resultaat-hero { padding: 36px 28px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .cf-scherm { animation: none; }
    .cf-voortgangsbalk-vulling { transition: none; }
    .cf-timer-kritiek .cf-timer-tijd { animation: none; }
}

/* Donker systeemthema bonus — al ingebakken in het thema */

/* ── Demo CTA na afloop ── */
.cf-demo-cta {
    margin-top: 32px;
    padding: 28px;
    background: linear-gradient(135deg, rgba(245,158,11,.08) 0%, rgba(245,158,11,.03) 100%);
    border: 1px solid rgba(245,158,11,.25);
    border-radius: var(--radius-lg, 16px);
}
.cf-demo-cta-inner {
    display: flex;
    gap: 32px;
    align-items: flex-start;
    flex-wrap: wrap;
}
.cf-demo-cta-tekst {
    flex: 1;
    min-width: 200px;
}
.cf-demo-cta-tekst h3 {
    color: var(--forge-white, #f5f6f8);
    font-size: 20px;
    font-weight: 700;
    margin: 0 0 8px;
}
.cf-demo-cta-tekst p {
    color: var(--forge-muted, #6b7280);
    font-size: 14px;
    margin: 0 0 12px;
}
.cf-demo-cta-tekst ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.cf-demo-cta-tekst li {
    color: var(--forge-text, #c9cdd4);
    font-size: 14px;
    padding: 4px 0;
}
.cf-demo-cta-acties {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    min-width: 180px;
}
.cf-demo-prijs {
    font-size: 28px;
    font-weight: 800;
    color: var(--forge-white, #f5f6f8);
    font-family: var(--font-mono, monospace);
}
.cf-demo-prijs small {
    font-size: 13px;
    color: var(--forge-muted, #6b7280);
    font-weight: 400;
}