/* KUKANILEA Webtools — Büro-Rechner. Eigenständige Subdomain, eigenes Mini-Design-System
   (Brand-Werte aus sites/kukanilea-www/styles.css :root übernommen, nicht importiert —
   volle Unabhängigkeit der Subdomain). */

:root {
  --cream: #ffffff;
  --ink: #0f172a;
  --ink-2: #1e293b;
  --ink-3: #475569;
  --ink-4: #5a6678;
  --line: #e6ebf1;
  --line-2: #cbd5e1;
  --white: #ffffff;
  --paper: #f4f6f9;
  --blue: #1B4965;
  --blue-2: #123449;
  --blue-soft: #d7e3ea;
  --blue-tint: #eef3f6;
  --green: #18553a;
  --green-soft: #e4f1e9;
  --warn-ink: #97491a;
  --warn-soft: #fde9d4;

  --radius: 14px;
  --radius-lg: 20px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 0 rgba(15,23,42,.04), 0 1px 2px rgba(15,23,42,.05);
  --shadow: 0 1px 0 rgba(15,23,42,.04), 0 12px 28px -16px rgba(15,23,42,.16);

  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SFMono-Regular", "SF Mono", "IBM Plex Mono", monospace;
  --maxw: 880px;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.wide { max-width: 1080px; }

a { color: var(--blue); }

/* ── Header ── */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 40;
}
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 20px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand-mark { display: block; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-weight: 700; font-size: 15px; letter-spacing: .01em; }
.brand-sub { font-size: 11px; color: var(--ink-4); font-weight: 600; text-transform: uppercase; letter-spacing: .06em; }
.brand-sub.tool-suite { color: var(--blue); }

.site-nav { display: flex; flex-wrap: wrap; gap: 4px 18px; }
.site-nav a { color: var(--ink-3); font-size: 14px; font-weight: 600; text-decoration: none; }
.site-nav a:hover, .site-nav a[aria-current] { color: var(--blue); }

.header-actions a.text-link { font-size: 14px; font-weight: 600; text-decoration: none; }

@media (max-width: 720px) {
  .header-row { flex-wrap: wrap; }
  .site-nav { order: 3; width: 100%; padding-top: 8px; border-top: 1px solid var(--line); }
}

/* ── Hero / intro ── */
.tool-hero { padding: 44px 0 8px; }
.tool-kicker {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em;
  color: var(--blue); margin-bottom: 10px;
}
.tool-hero h1 { font-size: clamp(28px, 4vw, 38px); line-height: 1.15; margin: 0 0 12px; letter-spacing: -0.01em; }
.tool-hero p.lede { font-size: 17px; color: var(--ink-3); max-width: 60ch; margin: 0 0 0; }

.privacy-note {
  display: flex; align-items: flex-start; gap: 10px;
  margin: 22px 0 0;
  padding: 14px 16px;
  background: var(--blue-tint);
  border: 1px solid var(--blue-soft);
  border-radius: var(--radius);
  font-size: 14px; color: var(--blue-2);
}
.privacy-note svg { flex: none; margin-top: 2px; }

/* ── Tool card / workspace ── */
.tool-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 28px;
  margin: 28px 0 40px;
}

.dropzone {
  border: 2px dashed var(--line-2);
  border-radius: var(--radius);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  background: var(--paper);
  transition: border-color .15s ease, background .15s ease;
}
.dropzone:hover, .dropzone.is-dragover { border-color: var(--blue); background: var(--blue-tint); }
.dropzone svg { color: var(--ink-4); margin-bottom: 10px; }
.dropzone .dz-title { font-weight: 700; font-size: 15px; color: var(--ink-2); }
.dropzone .dz-sub { font-size: 13px; color: var(--ink-4); margin-top: 4px; }
.dropzone input[type="file"] { display: none; }

.file-list { list-style: none; margin: 18px 0 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.file-list li {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 14px;
}
.file-list .file-name { flex: 1 1 auto; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 600; }
.file-list .file-size { color: var(--ink-4); font-size: 12px; font-variant-numeric: tabular-nums; }
.file-list .file-remove {
  border: 0; background: none; color: var(--ink-4); cursor: pointer; font-size: 16px; line-height: 1; padding: 4px;
}
.file-list .file-remove:hover { color: var(--warn-ink); }
.file-list li[draggable="true"] { cursor: grab; }

.tool-actions { display: flex; align-items: center; gap: 14px; margin-top: 20px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 20px;
  border-radius: 999px;
  font-size: 14px; font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary { background: var(--blue); color: var(--white); }
.btn-primary:hover:not(:disabled) { background: var(--blue-2); }
.btn-primary:disabled { background: var(--line-2); color: var(--ink-4); cursor: not-allowed; }
.btn-ghost { background: var(--white); color: var(--ink-2); border-color: var(--line-2); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }

.tool-status { font-size: 14px; color: var(--ink-3); }
.tool-status[data-state="error"] { color: var(--warn-ink); }
.tool-status[data-state="done"] { color: var(--green); font-weight: 600; }

.result-panel {
  margin-top: 20px;
  padding: 18px;
  background: var(--green-soft);
  border: 1px solid #bfe0cd;
  border-radius: var(--radius);
  display: none;
}
.result-panel.is-visible { display: block; }
.result-panel h3 { margin: 0 0 6px; font-size: 15px; color: var(--green); }

.page-select-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(64px, 1fr));
  gap: 10px;
  margin: 18px 0 0;
}
.page-thumb {
  position: relative;
  border: 2px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 4px;
  cursor: pointer;
  background: var(--white);
  text-align: center;
  font-size: 11px;
  color: var(--ink-4);
}
.page-thumb.is-selected { border-color: var(--blue); background: var(--blue-tint); color: var(--blue); font-weight: 700; }
.page-thumb canvas { display: block; width: 100%; height: auto; border-radius: 4px; margin-bottom: 4px; }

/* ── Landing: tool grid ── */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  margin: 28px 0 48px;
}
.tool-tile {
  display: block;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 22px;
  text-decoration: none;
  color: var(--ink);
  box-shadow: var(--shadow-sm);
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.tool-tile:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: var(--blue-soft); }
.tool-tile .tt-icon { color: var(--blue); margin-bottom: 12px; }
.tool-tile h2 { font-size: 16px; margin: 0 0 6px; }
.tool-tile p { font-size: 13.5px; color: var(--ink-3); margin: 0; }

/* ── Footer ── */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 32px 0 40px;
  margin-top: 40px;
}
.ft-row {
  display: flex; flex-wrap: wrap; gap: 10px 24px;
  align-items: center; justify-content: space-between;
  font-size: 13px; color: var(--ink-4);
}
.ft-links { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.ft-links a { color: var(--ink-4); text-decoration: none; }
.ft-links a:hover { color: var(--blue); }

/* ── Bild-Tool-spezifisch: Regler, Zahlenfelder, Vorschau ── */
.field-row { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 24px; margin-top: 18px; }
.field-row label { font-size: 14px; font-weight: 600; color: var(--ink-2); display: flex; align-items: center; gap: 10px; }
.field-row input[type="number"] {
  width: 88px; padding: 8px 10px; border: 1px solid var(--line-2); border-radius: var(--radius-sm);
  font-size: 14px; font-family: var(--font-sans); color: var(--ink);
}
.field-row input[type="range"] { width: 200px; accent-color: var(--blue); }
.field-row .field-value { font-variant-numeric: tabular-nums; color: var(--ink-3); font-size: 13px; min-width: 3.5ch; }
.field-row .field-sep { color: var(--ink-4); }

.result-preview { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 14px; }
.result-preview figure { margin: 0; text-align: center; }
.result-preview img { max-width: 160px; max-height: 160px; border-radius: var(--radius-sm); border: 1px solid var(--line); display: block; }
.result-preview figcaption { font-size: 12px; color: var(--ink-4); margin-top: 6px; }

.result-list { list-style: none; margin: 14px 0 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.result-list li { display: flex; justify-content: space-between; gap: 12px; font-size: 13px; color: var(--ink-3); }
.result-list a { font-weight: 600; }

@media (max-width: 520px) {
  .tool-card { padding: 20px; }
  .dropzone { padding: 28px 14px; }
}

/* ── Rechner-spezifisch ── */

/* Taschenrechner: Display + Tastenfeld */
.calc-display {
  background: var(--ink);
  color: var(--white);
  border-radius: var(--radius);
  padding: 18px 20px;
  text-align: right;
  margin-bottom: 16px;
}
.calc-history { font-size: 13px; color: #94a3b8; min-height: 18px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.calc-value { font-size: clamp(28px, 6vw, 40px); font-variant-numeric: tabular-nums; font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.calc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.calc-key {
  border: 1px solid var(--line-2);
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 16px 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--ink-2);
  cursor: pointer;
  font-family: var(--font-sans);
}
.calc-key:hover { border-color: var(--blue); color: var(--blue); }
.calc-key:active { background: var(--blue-tint); }
.calc-key.op { background: var(--blue-tint); color: var(--blue); }
.calc-key.eq { background: var(--blue); color: var(--white); border-color: var(--blue); }
.calc-key.eq:hover { background: var(--blue-2); }
.calc-key.zero { grid-column: span 2; }
.calc-log { list-style: none; margin: 16px 0 0; padding: 0; max-height: 140px; overflow-y: auto; display: flex; flex-direction: column-reverse; gap: 4px; }
.calc-log li { font-size: 13px; color: var(--ink-4); display: flex; justify-content: space-between; gap: 10px; padding: 4px 2px; border-bottom: 1px solid var(--line); }

/* Rechner: gemeinsame Formular-Zeile (Selects/Zahlenfelder untereinander) */
.calc-form { display: flex; flex-direction: column; gap: 16px; }
.calc-form-row { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 14px 20px; }
.calc-field { display: flex; flex-direction: column; gap: 6px; min-width: 140px; flex: 1 1 160px; }
.calc-field label { font-size: 13px; font-weight: 600; color: var(--ink-2); }
.calc-field input[type="number"], .calc-field input[type="text"], .calc-field select {
  padding: 10px 12px; border: 1px solid var(--line-2); border-radius: var(--radius-sm);
  font-size: 15px; font-family: var(--font-sans); color: var(--ink); background: var(--white);
}
.calc-toggle-group { display: flex; gap: 8px; flex-wrap: wrap; }
.calc-toggle {
  padding: 8px 16px; border-radius: 999px; border: 1px solid var(--line-2);
  background: var(--white); color: var(--ink-3); font-size: 13px; font-weight: 600; cursor: pointer;
}
.calc-toggle.is-active { background: var(--blue); color: var(--white); border-color: var(--blue); }
.calc-swap-btn {
  align-self: center; border: 1px solid var(--line-2); background: var(--white); border-radius: 999px;
  width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; cursor: pointer; color: var(--blue);
}
.calc-swap-btn:hover { border-color: var(--blue); background: var(--blue-tint); }
.calc-hint { font-size: 13px; color: var(--ink-4); background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 10px 12px; }
.calc-hint.is-warn { color: var(--warn-ink); background: var(--warn-soft); border-color: #f3cfa0; }

.calc-output {
  margin-top: 4px; padding: 18px 20px; background: var(--blue-tint); border: 1px solid var(--blue-soft);
  border-radius: var(--radius); display: flex; flex-direction: column; gap: 4px;
}
.calc-output .co-label { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--blue); }
.calc-output .co-value { font-size: clamp(22px, 4vw, 30px); font-weight: 700; color: var(--blue-2); font-variant-numeric: tabular-nums; }
.calc-output .co-sub { font-size: 13px; color: var(--ink-3); }

.rate-meta { font-size: 12px; color: var(--ink-4); margin-top: 10px; }
.rate-meta .is-error { color: var(--warn-ink); font-weight: 600; }

/* Tilgungsplan-Tabelle */
.amort-wrap { overflow-x: auto; margin-top: 18px; border: 1px solid var(--line); border-radius: var(--radius); }
table.amort-table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 520px; }
table.amort-table th, table.amort-table td { padding: 9px 12px; text-align: right; border-bottom: 1px solid var(--line); font-variant-numeric: tabular-nums; white-space: nowrap; }
table.amort-table th:first-child, table.amort-table td:first-child { text-align: left; }
table.amort-table thead th { background: var(--paper); color: var(--ink-3); font-weight: 700; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; position: sticky; top: 0; }
table.amort-table tbody tr:last-child td { border-bottom: none; }
table.amort-table tbody tr:hover { background: var(--blue-tint); }

@media (max-width: 520px) {
  .calc-key { padding: 14px 0; font-size: 16px; }
}