/* ==========================================================
   Skibspejling – style.css
   ========================================================== */

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --color-bg:          #f6f5f1;
    --color-surface:     #ffffff;
    --color-surface-own: #f0f4f8;
    --color-border:      #d8d6cf;
    --color-border-soft: #e8e6df;
    --color-text:        #1e1d1b;
    --color-text-muted:  #6b6860;
    --color-accent:      #0f6e56;
    --color-accent-btn:  #0a5442;
    --color-error:       #922b1c;
    --color-metric-bg:   #f0ede6;
    --radius:            10px;
    --radius-sm:         6px;
    --shadow:            0 1px 3px rgba(0,0,0,.08), 0 4px 12px rgba(0,0,0,.04);
    --font-sans:         'Segoe UI', system-ui, sans-serif;
    --font-mono:         'Fira Code', 'Courier New', monospace;
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-bg:          #141413;
        --color-surface:     #1e1e1c;
        --color-surface-own: #1a2026;
        --color-border:      #2e2d2a;
        --color-border-soft: #262523;
        --color-text:        #e2e0d8;
        --color-text-muted:  #8a8780;
        --color-accent:      #5dcaa5;
        --color-accent-btn:  #4db893;
        --color-error:       #f0755d;
        --color-metric-bg:   #222220;
    }
}

body {
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    min-height: 100vh;
    line-height: 1.5;
}

/* ---------- Layout ---------- */
.wrap {
    max-width: 720px;
    margin: 0 auto;
    padding: 2rem 1.25rem 4rem;
}

/* ---------- Header ---------- */
header { margin-bottom: 2rem; }

h1 {
    font-size: 1.75rem;
    font-weight: 600;
    letter-spacing: -.02em;
    color: var(--color-text);
}

.subtitle {
    font-size: .9rem;
    color: var(--color-text-muted);
    margin-top: .2rem;
}

/* ---------- Cards ---------- */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
}

.card--own {
    background: var(--color-surface-own);
    border-color: var(--color-border);
}

.card h2 {
    font-size: .75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .07em;
    color: var(--color-text-muted);
    margin-bottom: .9rem;
}

/* ---------- Form ---------- */
.row {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.field {
    flex: 1;
    min-width: 120px;
}

.field label {
    display: block;
    font-size: .8rem;
    color: var(--color-text-muted);
    margin-bottom: .3rem;
}

.field input {
    width: 100%;
    font-size: .95rem;
    padding: .5rem .7rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    color: var(--color-text);
    transition: border-color .15s;
    font-family: var(--font-mono);
}

.field input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(15,110,86,.12);
}

/* ---------- Error ---------- */
.error {
    color: var(--color-error);
    font-size: .85rem;
    margin-bottom: .75rem;
    padding: .5rem .75rem;
    border: 1px solid currentColor;
    border-radius: var(--radius-sm);
    background: rgba(146,43,28,.06);
}

/* ---------- Submit button ---------- */
.btn-calc {
    display: block;
    width: 100%;
    padding: .75rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    border: none;
    border-radius: var(--radius);
    background: var(--color-accent);
    color: #fff;
    margin-top: .5rem;
    transition: background .15s, transform .1s;
    letter-spacing: .01em;
}

.btn-calc:hover  { background: var(--color-accent-btn); }
.btn-calc:active { transform: scale(0.985); }

/* ---------- Metrics ---------- */
.metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: .75rem;
    margin: 1.75rem 0 1.5rem;
}

@media (max-width: 540px) {
    .metrics { grid-template-columns: 1fr 1fr; }
}

.metric {
    background: var(--color-metric-bg);
    border-radius: var(--radius);
    padding: 1rem .75rem;
    text-align: center;
    border: 1px solid var(--color-border-soft);
}

.metric .lbl  { font-size: .72rem; color: var(--color-text-muted); margin-bottom: .3rem; }
.metric .val  { font-size: 1.5rem; font-weight: 600; color: var(--color-text); font-family: var(--font-mono); }
.metric .unit { font-size: .68rem; color: var(--color-text-muted); margin-top: .1rem; }

/* ---------- Canvas ---------- */
#plot {
    display: block;
    width: 100%;
    max-width: 600px;
    height: auto;
    margin: 0 auto;
    border-radius: var(--radius);
    border: 1px solid var(--color-border-soft);
    box-shadow: var(--shadow);
}

/* ==========================================================
   CPA & TCPA tilføjelser
   ========================================================== */

.section-title {
    font-size: .78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .07em;
    color: var(--color-text-muted);
    margin: 1.6rem 0 .6rem;
}

.cpa-metrics { margin-bottom: .75rem; }

/* CPA risiko-farvekodning på metric-boksen */
.metric--risk-høj {
    border-left: 4px solid #c0392b;
    background: rgba(192,57,43,.08);
}
.metric--risk-moderat {
    border-left: 4px solid #e67e22;
    background: rgba(230,126,34,.07);
}
.metric--risk-lav {
    border-left: 4px solid #27ae60;
    background: rgba(39,174,96,.07);
}

@media (prefers-color-scheme: dark) {
    .metric--risk-høj     { background: rgba(192,57,43,.18); }
    .metric--risk-moderat { background: rgba(230,126,34,.15); }
    .metric--risk-lav     { background: rgba(39,174,96,.13); }
}

/* Risikovurdering tekst-farve */
.risk-høj      { color: #c0392b; }
.risk-moderat  { color: #c87a0a; }
.risk-lav      { color: #1e8449; }

@media (prefers-color-scheme: dark) {
    .risk-høj      { color: #e74c3c; }
    .risk-moderat  { color: #f39c12; }
    .risk-lav      { color: #2ecc71; }
}

/* CPA forklaringsnotat */
.cpa-note {
    font-size: .8rem;
    color: var(--color-text-muted);
    background: var(--color-metric-bg);
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-sm);
    padding: .65rem .9rem;
    margin-bottom: 1.25rem;
    line-height: 1.55;
}
.cpa-note strong { color: var(--color-text); }