/* ---------- Kleuren (hier pas je het thema aan) ----------
   Huidig thema: Teal / Aqua.
   Ander thema? Vervang alleen --accent, --accent-2, --accent-soft en --glow
   door één van deze sets:

   Violet:  --accent:#5b5bf0; --accent-2:#8b5cf6; --accent-soft:#ececff; --glow:rgba(91,91,240,.35);
   Oceaan:  --accent:#2563eb; --accent-2:#06b6d4; --accent-soft:#e3efff; --glow:rgba(37,99,235,.35);
   Zonsondergang: --accent:#f97316; --accent-2:#ec4899; --accent-soft:#ffeee3; --glow:rgba(249,115,22,.35);
------------------------------------------------------------ */
:root {
  --bg: #f2f8f8;
  --surface: #ffffff;
  --text: #11262b;
  --muted: #5f7a80;
  --border: #dcebec;
  --accent: #0d9488;
  --accent-2: #22d3ee;
  --accent-soft: #d9f5f2;
  --glow: rgba(13, 148, 136, .35);
  --danger: #c62828;
  --danger-soft: #fdecec;
  --shadow: 0 10px 30px rgba(10, 70, 75, .08);
  --radius: 16px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a1416;
    --surface: #112124;
    --text: #e9f6f6;
    --muted: #8fb0b5;
    --border: #1d3a3f;
    --accent: #2dd4bf;
    --accent-2: #67e8f9;
    --accent-soft: #123a3d;
    --glow: rgba(45, 212, 191, .3);
    --danger: #ff8a8a;
    --danger-soft: #3a1d24;
    --shadow: 0 10px 30px rgba(0, 0, 0, .4);
    color-scheme: dark;
  }
}

/* ---------- Basis ---------- */
* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background:
    radial-gradient(900px 400px at 10% -10%, var(--accent-soft), transparent 60%),
    var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem 1.25rem 4rem;
}

/* ---------- Kop ---------- */
.hero { margin-bottom: 2rem; }

.badge {
  display: inline-block;
  padding: .25rem .75rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .03em;
}

h1 {
  margin: .75rem 0 .5rem;
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1.1;
  letter-spacing: -.02em;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

h2 { margin: 0 0 .25rem; font-size: 1.15rem; }

.subtitle, .muted { color: var(--muted); margin: 0; }

/* ---------- Panelen ---------- */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
}

/* ---------- Formulier ---------- */
.form {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 1rem;
  align-items: end;
}

label { display: flex; flex-direction: column; gap: .4rem; }
label span { font-size: .85rem; font-weight: 600; color: var(--muted); }

input[type="date"] {
  width: 100%;
  padding: .75rem .9rem;
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: border-color .15s, box-shadow .15s;
}

input[type="date"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

button {
  padding: .8rem 1.5rem;
  font: inherit;
  font-weight: 600;
  color: #04201f;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border: 0;
  border-radius: 10px;
  cursor: pointer;
  transition: transform .1s, box-shadow .15s, filter .15s;
}

button:hover { filter: brightness(1.08); box-shadow: 0 6px 16px var(--glow); }
button:active { transform: translateY(1px); }

/* ---------- Foutmelding ---------- */
.error {
  margin: 1rem 0 0;
  padding: .8rem 1rem;
  color: var(--danger);
  background: var(--danger-soft);
  border-radius: 10px;
  font-weight: 500;
}

/* ---------- Resultaten ---------- */
.results { margin-top: 1.5rem; display: grid; gap: 1.25rem; }

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

.stat {
  display: flex;
  flex-direction: column;
  padding: 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.stat-label { font-size: .8rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.stat-value { font-size: 2.5rem; font-weight: 700; line-height: 1.1; margin: .25rem 0; color: var(--accent); }
.stat-unit { font-size: .9rem; color: var(--muted); }

/* ---------- Tabel ---------- */
table { width: 100%; border-collapse: collapse; margin-top: 1rem; }
th { text-align: left; font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 600; }
th, td { padding: .75rem .5rem; border-bottom: 1px solid var(--border); }
tbody tr:last-child td { border-bottom: 0; }
td.year { font-weight: 700; }
.bar-cell { width: 38%; }

/* ---------- Voortgangsbalk (<progress>) ---------- */
progress.bar {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 10px;
  border: 0;
  border-radius: 999px;
  overflow: hidden;
  background: var(--accent-soft);
}
progress.bar::-webkit-progress-bar { background: var(--accent-soft); border-radius: 999px; }
progress.bar::-webkit-progress-value { background: linear-gradient(90deg, var(--accent), var(--accent-2)); border-radius: 999px; }
progress.bar::-moz-progress-bar { background: linear-gradient(90deg, var(--accent), var(--accent-2)); border-radius: 999px; }

/* ---------- Mobiel ---------- */
@media (max-width: 600px) {
  .form { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
  .stat { flex-direction: row; align-items: baseline; gap: .75rem; flex-wrap: wrap; }
  .stat-value { font-size: 2rem; margin: 0; }
}

/* ---------- Taalkiezer ---------- */
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }

.lang {
  display: flex;
  gap: .25rem;
  padding: .25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
}
.lang a {
  padding: .3rem .85rem;
  border-radius: 999px;
  font-size: .8rem;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
  transition: color .15s, background .15s;
}
.lang a:hover { color: var(--text); }
.lang a.actief { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #04201f; }

/* Taalkiezer: drie duidelijke knoppen met de volledige taalnaam */
.lang a { padding: .5rem 1.1rem; font-size: .9rem; }
@media (max-width: 600px) {
  .lang { width: 100%; }
  .lang a { flex: 1; text-align: center; padding: .55rem .5rem; }
}