/* Hardloopcijfers – lichte, frisse opmaak. Geen automatische donkere modus, zodat de kleuren altijd kloppen. */
:root {
  color-scheme: light;
  --ink: #13231f;
  --muted: #5a6b66;
  --paper: #f5f3ee;
  --card: #ffffff;
  --line: #e2e7e3;
  --teal: #0c5c5a;
  --teal-hover: #0a4b49;
  --teal-2: #13807c;
  --sun: #ff7a2f;
  --mint: #e7f6f2;
  --error: #b3261e;
  --radius: 16px;
  --shadow: 0 1px 2px rgba(19, 35, 31, 0.06), 0 8px 24px rgba(19, 35, 31, 0.06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* Kop met kleurverloop */
.hero {
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(255, 122, 47, 0.55) 0%, rgba(255, 122, 47, 0) 55%),
    linear-gradient(135deg, var(--teal) 0%, var(--teal-2) 100%);
  color: #fff;
  padding: 44px 20px 56px;
  text-align: center;
  border-radius: 0 0 28px 28px;
}
.hero h1 { margin: 0 0 8px; font-size: clamp(2rem, 5vw, 2.8rem); letter-spacing: -0.02em; }
.hero p { margin: 0 auto; max-width: 560px; opacity: 0.92; }
.hero .pill {
  display: inline-block;
  margin-top: 16px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  font-size: 0.9rem;
}
.hero-small { padding: 28px 20px 32px; }

.wrap { max-width: 1120px; margin: -28px auto 0; padding: 0 16px 40px; position: relative; }

/* Raster met rekenmodellen */
.tools {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 18px;
}

section.tool,
section.panel {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
section.tool::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--teal-2), var(--sun));
}

section h2 { margin: 2px 0 6px; font-size: 1.12rem; color: var(--teal); }
section > p { margin: 0 0 14px; color: var(--muted); font-size: 0.95rem; }

/* Formulieren */
form { display: grid; gap: 12px; }
label { display: grid; gap: 6px; font-size: 0.9rem; font-weight: 600; color: var(--ink); }
input, textarea {
  font: inherit;
  font-weight: 400;
  padding: 10px 12px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  background: #fbfcfb;
  color: var(--ink);
  width: 100%;
}
input:focus, textarea:focus {
  outline: none;
  border-color: var(--teal-2);
  box-shadow: 0 0 0 3px rgba(19, 128, 124, 0.18);
}
label.check { display: flex; align-items: center; gap: 8px; font-weight: 500; }
label.check input { width: auto; }

button {
  font: inherit;
  font-weight: 600;
  padding: 12px 16px;
  border: 0;
  border-radius: 12px;
  background: var(--teal);
  color: #fff;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.05s ease;
}
button:hover { background: var(--teal-hover); }
button:active { transform: translateY(1px); }
button.ghost { background: transparent; color: var(--teal); border: 1.5px solid var(--teal); padding: 8px 14px; }
button.ghost:hover { background: var(--mint); }

/* Resultaat */
output { display: block; margin-top: 14px; }
output:empty { display: none; }
.result {
  background: var(--mint);
  border-radius: 12px;
  padding: 12px 14px;
}
.result p { margin: 6px 0; font-size: 0.95rem; color: var(--muted); }
.result strong { color: var(--teal); font-size: 1.2rem; font-weight: 700; }
.ref { font-size: 0.82rem; color: var(--muted); margin: 12px 0 0; line-height: 1.45; }
.error {
  color: var(--error);
  background: #fdecea;
  border-radius: 10px;
  padding: 10px 12px;
  margin: 0;
}

.table-wrap { overflow-x: auto; margin-top: 10px; border-radius: 10px; border: 1px solid var(--line); }
table { border-collapse: collapse; width: 100%; font-size: 0.92rem; background: #fff; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
thead th { background: var(--mint); color: var(--teal); font-weight: 700; }
tbody tr:nth-child(even) td { background: #fafcfb; }

footer { max-width: 1120px; margin: 0 auto; padding: 8px 16px 32px; color: var(--muted); font-size: 0.85rem; text-align: center; }

#status-banner:empty { display: none; }
#status-banner.offline {
  background: #fff4d6;
  color: #5c4300;
  border-radius: 12px;
  padding: 12px 14px;
  margin: 0 0 16px;
  font-weight: 500;
}

/* Accounts en opgeslagen resultaten */
.account-area { display: grid; gap: 16px; margin-bottom: 18px; }
.auth-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.auth h2, .panel h2 { margin: 0 0 12px; font-size: 1.1rem; color: var(--teal); }
.auth .ref { margin-top: 16px; }
.form-msg { margin: 0; font-size: 0.92rem; min-height: 1.2em; }
.form-msg.error { color: var(--error); }
.form-msg.ok { color: var(--teal); }
.muted { color: var(--muted); margin: 0; }
.save-bar {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--line);
}
.save-bar .result-name { flex: 1 1 140px; width: auto; }
.save-bar .save-result { flex: 0 0 auto; padding: 10px 14px; }
.save-status { width: 100%; margin: 0; font-size: 0.9rem; color: var(--teal); }
.save-status.error { color: var(--error); }
.saved {
  display: flex; justify-content: space-between; gap: 12px; align-items: flex-start;
  border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; margin-bottom: 10px;
  background: #fbfcfb;
}
.saved h3 { margin: 0 0 2px; font-size: 1rem; color: var(--ink); }
.saved .outs { margin: 6px 0 0; font-size: 0.92rem; color: var(--ink); line-height: 1.6; }
.saved .outs strong { color: var(--teal); }
button.small { padding: 6px 10px; font-size: 0.85rem; }
.danger { border-color: #f1c7c3; }
.danger-btn { background: var(--error); }
.links { margin: 4px 0 0; text-align: right; }
button.link {
  background: none; color: var(--teal); padding: 0; font-weight: 600;
  text-decoration: underline; text-underline-offset: 3px;
}
button.link:hover { background: none; color: var(--teal-hover); }
a { color: var(--teal); }
.prose h2 { margin: 22px 0 6px; font-size: 1.05rem; color: var(--teal); }
.prose p, .prose li { color: var(--ink); font-size: 0.97rem; }
.prose ul { padding-left: 20px; margin: 0 0 10px; }
.prose li { margin-bottom: 6px; }
.prose .flash { margin-bottom: 18px; }
section.panel:not(.admin-card) { margin-bottom: 16px; }
.danger-btn:hover { background: #8e1d17; }

/* Admin */
.flash {
  background: #fff;
  border: 1px solid var(--line);
  border-left: 4px solid var(--sun);
  border-radius: 10px;
  padding: 12px 14px;
  margin: 0 0 16px;
}
.panel.bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; }
.panel.bar p { margin: 0; color: var(--ink); }
.panel.bar form { display: inline; }
.login { max-width: 420px; margin: 0 auto; }
.admin-card { margin-top: 16px; }
.admin-card h2 code { font-size: 0.85rem; background: var(--mint); color: var(--teal); padding: 2px 6px; border-radius: 6px; }
.stats { font-size: 0.9rem; color: var(--muted); margin: 0 0 12px; }
.inline { display: inline; }

@media (max-width: 480px) {
  .hero { padding-top: 32px; }
  .tools { grid-template-columns: 1fr; }
}