/* =========================================
   Studiesjekk – Styling
   ========================================= */

:root {
    --color-bg: #f5f7fa;
    --color-surface: #ffffff;
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-text: #1e293b;
    --color-text-secondary: #64748b;
    --color-border: #e2e8f0;
    --color-ja: #16a34a;
    --color-ja-bg: #dcfce7;
    --color-kanskje: #ca8a04;
    --color-kanskje-bg: #fef9c3;
    --color-nei-poeng: #dc2626;
    --color-nei-poeng-bg: #fee2e2;
    --color-nei-fagkrav: #6b7280;
    --color-nei-fagkrav-bg: #f3f4f6;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-lg: 0 4px 12px rgba(0,0,0,0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px 16px 48px;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 24px;
}

header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
}

.subtitle {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

/* Step indicator */
.steps-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: 20px;
}

.step-dot {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    cursor: default;
}

.step-num {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-border);
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.step-dot.active .step-num,
.step-dot.done .step-num {
    background: var(--color-primary);
    color: white;
}

.step-dot.done .step-num {
    background: var(--color-ja);
}

.step-dot.done,
.step-dot.visited {
    cursor: pointer;
}

.step-dot.visited .step-num {
    background: var(--color-primary);
    color: white;
    opacity: 0.5;
}

.step-dot.visited .step-label {
    color: var(--color-text-secondary);
}

.step-dot.done:hover .step-num,
.step-dot.visited:hover .step-num {
    opacity: 0.8;
    transform: scale(1.1);
}

.step-label {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

.step-dot.active .step-label {
    color: var(--color-primary);
    font-weight: 600;
}

.step-line {
    width: 48px;
    height: 2px;
    background: var(--color-border);
    margin: 0 4px;
    margin-bottom: 20px;
}

/* Live poeng */
.poeng-live {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 12px 20px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow);
}

.poeng-label {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.poeng-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.poeng-kvote {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

/* Steps */
.step {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
}

.step h2 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

.hidden { display: none !important; }

/* Form */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 6px;
}

.form-group h3 {
    font-size: 0.95rem;
    margin-bottom: 10px;
}

input[type="number"],
select {
    width: 100%;
    max-width: 300px;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 1rem;
    color: var(--color-text);
    background: var(--color-surface);
    transition: border-color 0.15s;
}

input[type="number"]:focus,
select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.help-text {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    margin-top: 4px;
}

/* Checkboxes */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 0;
    font-size: 0.9rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
}

/* Fag grid */
.fag-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.fag-gruppe {
    background: var(--color-bg);
    border-radius: var(--radius);
    padding: 16px;
}

.fag-gruppe h3 {
    font-size: 0.9rem;
    color: var(--color-primary);
    margin-bottom: 8px;
}

/* Poengdetalj */
.poeng-detalj {
    background: var(--color-bg);
    border-radius: var(--radius);
    padding: 12px 16px;
    margin-bottom: 20px;
}

.poeng-rad {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    font-size: 0.9rem;
}

/* Navigation */
.step-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
}

/* Buttons */
.btn {
    padding: 10px 24px;
    border: none;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background: var(--color-primary-hover);
}

.btn-secondary {
    background: var(--color-bg);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-border);
}

.btn-large {
    padding: 14px 36px;
    font-size: 1.05rem;
}

/* Results */
.result-summary {
    background: var(--color-bg);
    border-radius: var(--radius);
    padding: 16px 20px;
    margin-bottom: 16px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
}

.summary-item {
    text-align: center;
}

.summary-item .val {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-primary);
}

.summary-item .lbl {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

/* Filters */
.result-filters {
    margin-bottom: 16px;
}

.filter-row {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

#search-box {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.95rem;
}

#search-box:focus {
    outline: none;
    border-color: var(--color-primary);
}

.multiselect {
    position: relative;
    min-width: 200px;
}

.multiselect-btn {
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.95rem;
    background: var(--color-surface);
    cursor: pointer;
    width: 100%;
    text-align: left;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.multiselect-btn:hover {
    border-color: var(--color-primary);
}

.multiselect-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    max-height: 260px;
    overflow-y: auto;
    z-index: 100;
    margin-top: 4px;
}

.multiselect-dropdown label {
    display: block;
    padding: 6px 12px;
    cursor: pointer;
    font-size: 0.9rem;
}

.multiselect-dropdown label:hover {
    background: var(--color-bg);
}

.campus-cell {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.filter-chips {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.chip {
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.15s;
}

.chip:hover { background: var(--color-bg); }

.chip.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

/* Table */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

thead {
    background: var(--color-bg);
}

th {
    padding: 10px 12px;
    text-align: left;
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    white-space: nowrap;
}

th.sortable { cursor: pointer; }
th.sortable:hover { color: var(--color-primary); }

td {
    padding: 10px 12px;
    border-top: 1px solid var(--color-border);
}

tr:hover td {
    background: #f8fafc;
}

/* Status badges */
.status-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.status-ja {
    background: var(--color-ja-bg);
    color: var(--color-ja);
}

.status-kanskje {
    background: var(--color-kanskje-bg);
    color: var(--color-kanskje);
}

.status-nei_poeng {
    background: var(--color-nei-poeng-bg);
    color: var(--color-nei-poeng);
}

.status-nei_fagkrav {
    background: var(--color-nei-fagkrav-bg);
    color: var(--color-nei-fagkrav);
}

/* Konfidens-indikator */
.konfidens {
    font-size: 0.7rem;
    color: var(--color-text-secondary);
}

.konfidens-lav {
    color: var(--color-kanskje);
}

/* Campus label */
.campus-label {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    margin-top: 2px;
}

/* Expandable rows */
.expandable-row:hover {
    background: var(--color-bg);
}

.expand-icon {
    font-size: 0.7rem;
    color: var(--color-text-secondary);
    margin-left: 4px;
}

.detail-row td {
    padding: 0 !important;
    border-top: none !important;
}

.detail-row .detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 8px 16px;
    padding: 12px 16px 16px;
    background: var(--color-bg);
    border-bottom: 2px solid var(--color-border);
    font-size: 0.8rem;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.detail-label {
    color: var(--color-text-secondary);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.detail-value {
    color: var(--color-text);
    font-weight: 500;
}

/* Disclaimer */
.disclaimer {
    margin-top: 16px;
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    font-style: italic;
}

/* Footer */
footer {
    margin-top: 40px;
    text-align: center;
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

footer a {
    color: var(--color-primary);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Loading overlay */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(255,255,255,0.85);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    z-index: 100;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Mobile subtitle (hidden by default, shown on mobile) */
.mobile-subtitle {
    display: none;
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    margin-top: 2px;
}

/* =========================================
   Responsive: Tablet (<=768px)
   ========================================= */
@media (max-width: 768px) {
    .container { padding: 20px 12px 36px; }
    .step { padding: 24px 16px; }

    /* Skjul campus-kolonne, vis i mobil-subtitle */
    .col-campus { display: none; }
    .mobile-subtitle { display: block; }

    /* Filter-rad: stabel vertikalt */
    .filter-row {
        flex-direction: column;
    }

    .multiselect {
        min-width: 0;
        width: 100%;
    }

    /* Tabell: mindre tekst */
    table { font-size: 0.8rem; }
    th { font-size: 0.75rem; }
    td, th { padding: 8px 8px; }

    /* Form inputs full bredde */
    input[type="number"], select {
        max-width: 100%;
    }
}

/* =========================================
   Responsive: Mobil (<=520px)
   ========================================= */
@media (max-width: 520px) {
    .container { padding: 12px 8px 32px; }
    .step { padding: 16px 12px; }

    /* Header */
    header h1 { font-size: 1.4rem; }
    .subtitle { font-size: 0.85rem; }

    /* Steg-indikator: skjul labels */
    .step-label { display: none; }
    .step-num { width: 28px; height: 28px; font-size: 0.8rem; }
    .step-line { width: 20px; margin-bottom: 0; }
    .step-dot { gap: 0; }
    .steps-indicator { margin-bottom: 12px; }

    /* Live poeng: mer kompakt */
    .poeng-live { padding: 8px 12px; gap: 6px; }
    .poeng-value { font-size: 1.2rem; }
    .poeng-label { font-size: 0.8rem; }

    /* Fag-grid: en kolonne */
    .fag-grid { grid-template-columns: 1fr; }

    /* Resultat-oppsummering */
    .result-summary { grid-template-columns: repeat(2, 1fr); gap: 8px; padding: 12px; }
    .summary-item .val { font-size: 1.1rem; }

    /* Navigasjonsknapper: full bredde */
    .step-nav { flex-direction: column-reverse; gap: 10px; }
    .step-nav .btn { width: 100%; text-align: center; }

    /* Skjul institusjon og kravkode-kolonne, vis i subtitle */
    .col-inst { display: none; }
    .col-kravkode { display: none; }

    /* Tabell: kompakt */
    table { font-size: 0.78rem; }
    th { font-size: 0.7rem; padding: 6px; }
    td { padding: 8px 6px; }

    /* Status-badge kompakt */
    .status-badge { padding: 2px 8px; font-size: 0.7rem; }

    /* Detalj-grid: en kolonne */
    .detail-row .detail-grid {
        grid-template-columns: 1fr 1fr;
        gap: 6px 12px;
        padding: 10px 12px;
    }

    /* Filter-chips: mindre */
    .chip { padding: 5px 10px; font-size: 0.75rem; }

    /* Knapper */
    .btn { padding: 10px 16px; font-size: 0.9rem; }
    .btn-large { padding: 12px 20px; font-size: 0.95rem; }

    /* Steg-overskrifter */
    .step h2 { font-size: 1.05rem; margin-bottom: 14px; }
}