/* NordPrax Academy — Design System
   Based on nordprax.de CI: #279989 Teal, Inter font, clean Healthcare look */

:root {
    --np: #279989;
    --np-light: #a8d6cf;
    --np-dark: #1e7a6d;
    --np-bg: #f0f7f5;
    --orange: #e84e0e;

    --bg: #f5f7f9;
    --panel: #ffffff;
    --text: #1e293b;
    --muted: #64748b;
    --line: #e2e8f0;

    --shadow: 0 1px 3px rgba(0,0,0,.08), 0 4px 16px rgba(0,0,0,.04);
    --shadow-lg: 0 4px 24px rgba(0,0,0,.10);
    --r: 16px;
    --r-sm: 12px;
}

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

html { height: 100%; }
body {
    margin: 0;
    font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

/* ===== Topbar ===== */
.topbar {
    background: var(--panel);
    border-bottom: 1px solid var(--line);
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 4px rgba(0,0,0,.04);
    flex-wrap: wrap;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 6px;
}

.menu-toggle {
    display: none;
    background: none;
    border: 1px solid var(--line);
    border-radius: var(--r-sm);
    padding: 6px 10px;
    font-size: 20px;
    color: var(--text);
    cursor: pointer;
    line-height: 1;
}

.topbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.topbar-brand img {
    height: 36px;
    width: auto;
}

.topbar-brand span {
    font-weight: 600;
    font-size: 17px;
    color: var(--text);
    letter-spacing: -.01em;
}

.alpha-banner {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    margin-bottom: 20px;
    border-radius: var(--r-sm);
    border: 1px solid rgba(232, 78, 14, .25);
    background: rgba(232, 78, 14, .06);
    color: var(--text);
    font-size: 13px;
    line-height: 1.5;
}

.alpha-banner-badge {
    flex-shrink: 0;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 1px;
    padding: 3px 8px;
    border-radius: 6px;
    background: var(--orange);
    color: #fff;
}

.alpha-badge {
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 1px;
    padding: 2px 7px;
    border-radius: 6px;
    background: var(--orange);
    color: #fff;
    line-height: 1;
    align-self: center;
}

.topbar-nav {
    display: flex;
    align-items: center;
    gap: 6px;
}

.topbar-nav a, .topbar-nav button {
    padding: 8px 14px;
    border-radius: var(--r-sm);
    font-size: 14px;
    font-weight: 500;
    color: var(--muted);
    background: none;
    border: none;
    cursor: pointer;
    transition: background .15s, color .15s;
}

.topbar-nav a:hover, .topbar-nav button:hover {
    background: var(--np-bg);
    color: var(--np);
}

.topbar-nav a.active {
    background: var(--np-bg);
    color: var(--np);
    font-weight: 600;
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--muted);
}

.topbar-user .name {
    font-weight: 600;
    color: var(--text);
}

/* ===== Container ===== */
.container {
    width: min(1040px, calc(100% - 40px));
    margin: 0 auto;
    padding: 28px 0 48px;
    flex: 1;
}

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

.card + .card { margin-top: 16px; }

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
}

.card-header h2 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
}

.card-header .badge {
    font-size: 13px;
    padding: 4px 12px;
    border-radius: 999px;
    background: var(--np-bg);
    color: var(--np);
    font-weight: 600;
}

/* ===== Grid ===== */
.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

@media (max-width: 768px) {
    .grid, .grid-3 { grid-template-columns: 1fr; }

    /* Topbar: hamburger menu */
    .menu-toggle { display: block; }

    .topbar {
        height: auto;
        min-height: 56px;
        padding: 10px 16px;
        gap: 8px;
    }

    .topbar-brand img { height: 28px; }
    .topbar-brand span { font-size: 15px; }

    .topbar-right {
        display: none;
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        padding-top: 8px;
        border-top: 1px solid var(--line);
    }

    .topbar-right.open { display: flex; }

    .topbar-nav {
        flex-direction: column;
        gap: 2px;
    }

    .topbar-nav a {
        padding: 10px 12px;
        font-size: 15px;
    }

    .topbar-user {
        padding: 10px 12px;
        justify-content: space-between;
        border-top: 1px solid var(--line);
        margin-top: 4px;
        padding-top: 10px;
    }

    /* Container */
    .container {
        width: calc(100% - 24px);
        padding: 16px 0 32px;
    }

    /* Cards */
    .card { padding: 16px; border-radius: var(--r-sm); }

    /* Stats */
    .stat-value { font-size: 28px; }

    /* Quiz */
    .question-text { font-size: 17px; margin: 6px 0 18px; }

    .answer-option {
        padding: 14px;
        gap: 10px;
        border-radius: var(--r-sm);
    }

    .answer-key {
        min-width: 32px;
        height: 32px;
        font-size: 13px;
        border-radius: 8px;
    }

    .answer-text { font-size: 14px; padding-top: 4px; }

    .quiz-meta { padding: 12px 14px; }

    .btn-row {
        flex-direction: column;
    }

    .btn-row .btn { width: 100%; }

    /* Results */
    .result-score { font-size: 42px; }
    .result-header { padding: 24px 16px; }

    /* Tables: horizontal scroll */
    .table-wrap { margin: 0 -16px; padding: 0 16px; }
    th, td { padding: 8px 10px; font-size: 13px; white-space: nowrap; }

    /* Alpha banner */
    .alpha-banner { font-size: 12px; padding: 10px 12px; }

    /* Certificate */
    .certificate { padding: 24px 20px; }
    .cert-header { flex-direction: column; gap: 12px; }
    .cert-meta { grid-template-columns: 1fr; }
    .cert-sign { grid-template-columns: 1fr; }
    .cert-title { font-size: 24px; }

    /* Login/Legal */
    .login-wrap, .legal-wrap { padding: 16px; }
    .login-card, .legal-card { padding: 24px 20px; }

    /* Footer */
    .footer { padding: 16px 12px; }
    .footer-meta { font-size: 11px; }

    /* Setup page: count buttons horizontal scroll */
    #countRow {
        flex-direction: row;
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    #countRow .select-btn {
        flex-shrink: 0;
    }

    /* Register form 2-col -> 1-col */
    [style*="grid-template-columns: 1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }
}

.full-width { grid-column: 1 / -1; }

/* ===== Stat Cards ===== */
.stat {
    text-align: center;
    padding: 20px;
}

.stat-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--np);
    line-height: 1.1;
}

.stat-label {
    font-size: 13px;
    color: var(--muted);
    margin-top: 4px;
    font-weight: 500;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--r-sm);
    font-size: 14px;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all .15s;
    text-decoration: none;
    line-height: 1.4;
}

.btn-primary {
    background: var(--np);
    color: #fff;
    border-color: var(--np);
}
.btn-primary:hover {
    background: var(--np-dark);
    border-color: var(--np-dark);
    color: #fff;
}

.btn-secondary {
    background: var(--panel);
    color: var(--text);
    border-color: var(--line);
}
.btn-secondary:hover {
    background: var(--np-bg);
    border-color: var(--np-light);
    color: var(--np);
}

.btn-danger {
    background: #fee2e2;
    color: #dc2626;
    border-color: #fecaca;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 13px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
    border-radius: var(--r);
}

.btn-block {
    width: 100%;
}

.btn-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* ===== Forms ===== */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text);
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--line);
    border-radius: var(--r-sm);
    font-size: 15px;
    font-family: inherit;
    color: var(--text);
    background: var(--panel);
    transition: border-color .15s, box-shadow .15s;
}

.form-control:focus {
    outline: none;
    border-color: var(--np);
    box-shadow: 0 0 0 3px rgba(39, 153, 137, .15);
}

.form-hint {
    font-size: 13px;
    color: var(--muted);
    margin-top: 4px;
}

/* ===== Selectable Buttons (for quiz setup) ===== */
.select-btn {
    padding: 10px 16px;
    border: 1px solid var(--line);
    border-radius: var(--r-sm);
    background: var(--panel);
    color: var(--text);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all .15s;
}

.select-btn:hover {
    border-color: var(--np-light);
    background: var(--np-bg);
}

.select-btn.active,
.select-btn input:checked + .select-btn-label {
    border-color: var(--np);
    background: var(--np-bg);
    color: var(--np);
    font-weight: 600;
    box-shadow: 0 0 0 2px rgba(39, 153, 137, .12) inset;
}

/* ===== Quiz UI ===== */
.quiz-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    padding: 14px 20px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--r);
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.quiz-progress {
    font-weight: 600;
    font-size: 15px;
}

.quiz-timer {
    font-weight: 700;
    font-size: 18px;
    color: var(--np);
    font-variant-numeric: tabular-nums;
}

.quiz-timer.warning { color: var(--orange); }
.quiz-timer.danger { color: #dc2626; }

.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--line);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 8px;
}

.progress-fill {
    height: 100%;
    background: var(--np);
    border-radius: 3px;
    transition: width .3s ease;
}

.question-text {
    font-size: 20px;
    font-weight: 600;
    line-height: 1.4;
    margin: 8px 0 24px;
}

.question-topic {
    font-size: 13px;
    color: var(--muted);
    font-weight: 500;
    margin-bottom: 4px;
}

/* ===== Answer Options ===== */
.answer-option {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px 18px;
    border: 1px solid var(--line);
    border-radius: var(--r);
    background: var(--panel);
    cursor: pointer;
    transition: all .15s;
    margin-bottom: 10px;
}

.answer-option:hover {
    border-color: var(--np-light);
    background: var(--np-bg);
}

.answer-option.selected {
    border-color: var(--np);
    background: rgba(39, 153, 137, .06);
    box-shadow: 0 0 0 2px rgba(39, 153, 137, .10) inset;
}

.answer-option input { display: none; }

.answer-key {
    min-width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    border: 1px solid var(--line);
    background: var(--np-bg);
    font-weight: 700;
    font-size: 14px;
    color: var(--muted);
    flex-shrink: 0;
}

.answer-option.selected .answer-key {
    background: var(--np);
    color: #fff;
    border-color: var(--np);
}

.answer-text {
    font-size: 15px;
    line-height: 1.5;
    padding-top: 6px;
}

/* ===== Results ===== */
.result-header {
    text-align: center;
    padding: 32px 24px;
}

.result-score {
    font-size: 56px;
    font-weight: 800;
    line-height: 1;
}

.result-score.passed { color: var(--np); }
.result-score.failed { color: #dc2626; }

.result-label {
    font-size: 18px;
    color: var(--muted);
    margin-top: 8px;
}

.result-badge {
    display: inline-block;
    margin-top: 12px;
    padding: 6px 18px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 14px;
}

.result-badge.passed {
    background: rgba(39, 153, 137, .12);
    color: var(--np);
    border: 1px solid var(--np-light);
}

.result-badge.failed {
    background: #fee2e2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

/* ===== Table ===== */
.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

th, td {
    padding: 10px 14px;
    text-align: left;
    border-bottom: 1px solid var(--line);
}

th {
    font-weight: 600;
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .5px;
}

tr:last-child td { border-bottom: none; }

/* ===== Topic Checkboxes ===== */
.topic-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

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

.topic-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border: 1px solid var(--line);
    border-radius: var(--r-sm);
    cursor: pointer;
    transition: all .15s;
    font-size: 14px;
}

.topic-item:hover {
    background: var(--np-bg);
    border-color: var(--np-light);
}

.topic-item input:checked ~ .topic-name {
    color: var(--np);
    font-weight: 600;
}

.topic-count {
    font-size: 12px;
    color: var(--muted);
    margin-left: auto;
}

/* ===== Certificate ===== */
.certificate {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--r);
    padding: 48px;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.cert-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--np);
}

.cert-title {
    font-size: 32px;
    font-weight: 700;
    margin: 28px 0 12px;
    text-align: center;
}

.cert-meta {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 8px;
    font-size: 15px;
    margin: 24px 0;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: var(--r-sm);
    background: #fafbfc;
}

.cert-meta dt {
    color: var(--muted);
    font-weight: 500;
}

.cert-meta dd {
    margin: 0;
    font-weight: 600;
}

.cert-sign {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 40px;
}

.cert-sign-line {
    border-top: 1px solid var(--line);
    padding-top: 8px;
    font-size: 13px;
    color: var(--muted);
}

/* ===== Alert ===== */
.alert {
    padding: 14px 18px;
    border-radius: var(--r-sm);
    font-size: 14px;
    margin-bottom: 16px;
}

.alert-info {
    background: var(--np-bg);
    border: 1px solid var(--np-light);
    color: var(--np-dark);
}

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

.alert-error {
    background: #fee2e2;
    border: 1px solid #fecaca;
    color: #dc2626;
}

/* ===== Login ===== */
.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background:
        radial-gradient(900px 500px at 20% 10%, rgba(39, 153, 137, .12), transparent 60%),
        radial-gradient(700px 500px at 80% 80%, rgba(39, 153, 137, .08), transparent 50%),
        var(--bg);
}

.legal-wrap {
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 40px 24px;
    background:
        radial-gradient(900px 500px at 20% 10%, rgba(39, 153, 137, .12), transparent 60%),
        radial-gradient(700px 500px at 80% 80%, rgba(39, 153, 137, .08), transparent 50%),
        var(--bg);
}

.legal-card {
    width: min(680px, 100%);
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--r);
    box-shadow: var(--shadow-lg);
    padding: 40px 36px;
}

.legal-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
    text-decoration: none;
    color: var(--text);
}

.legal-brand img { height: 40px; }
.legal-brand span { font-weight: 600; font-size: 18px; }

.login-card {
    width: min(420px, 100%);
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--r);
    box-shadow: var(--shadow-lg);
    padding: 40px 36px;
}

.login-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
}

.login-brand img { height: 40px; }
.login-brand span { font-weight: 600; font-size: 18px; }

/* ===== Footer ===== */
.footer {
    text-align: center;
    padding: 20px 20px 16px;
    font-size: 13px;
    color: var(--muted);
    border-top: 1px solid var(--line);
    margin-top: auto;
}

.footer-meta {
    margin-top: 4px;
    font-size: 12px;
}

.footer-meta a {
    color: var(--muted);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.footer-meta a:hover {
    color: var(--np);
}

/* ===== Print ===== */
@media print {
    .topbar, .footer, .btn, .no-print { display: none !important; }
    body { background: #fff; }
    .container { width: 100%; padding: 0; }
    .certificate { border: none; box-shadow: none; padding: 20px; }
}

/* ===== Utility ===== */
.text-center { text-align: center; }
.text-muted { color: var(--muted); }
.text-sm { font-size: 13px; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.hidden { display: none; }

/* ===== Touch-friendly ===== */
@media (pointer: coarse) {
    .btn, .select-btn, .answer-option, .topic-item {
        min-height: 44px;
    }

    .form-control {
        font-size: 16px;
        padding: 12px 14px;
    }

    .answer-option:hover {
        border-color: var(--line);
        background: var(--panel);
    }

    .answer-option.selected:hover {
        border-color: var(--np);
        background: rgba(39, 153, 137, .06);
    }
}

/* ===== Safe area (notch devices) ===== */
@supports (padding: env(safe-area-inset-bottom)) {
    .footer {
        padding-bottom: calc(16px + env(safe-area-inset-bottom));
    }
    .topbar {
        padding-top: env(safe-area-inset-top);
    }
}

/* ===== Admin Button ===== */
.btn-admin {
    background: #e8590c;
    color: #fff;
    border: none;
    padding: 6px 14px;
    border-radius: 6px;
    font-size: .8rem;
    font-weight: 600;
    text-decoration: none;
    margin-right: 8px;
    transition: background .2s;
}
.btn-admin:hover {
    background: #d9480f;
    color: #fff;
}