/* ============================================================
   Elterngeld-Rechner & Monatsplaner – Stylesheet
   Mobile-first, Light/Dark über prefers-color-scheme
   ============================================================ */

:root {
  /* Farbpalette (Light) – warmes Petrol + Koralle auf Sand */
  --color-bg: #faf6ef;
  --color-surface: #ffffff;
  --color-surface-alt: #f1ece1;
  --color-text: #22302e;
  --color-text-muted: #5c6b68;
  --color-primary: #0e6e66;
  --color-primary-strong: #0a544e;
  --color-on-primary: #ffffff;
  --color-accent: #e2654a;
  --color-accent-soft: #fbe4dd;
  --color-border: #ddd4c3;
  --color-error-bg: #fdeae6;
  --color-error-text: #a32e14;
  --color-error-border: #e8a08e;
  --color-ok-bg: #e4f2ec;
  --color-ok-text: #1d6b47;

  /* Planer-Zustände */
  --color-basis: #0e6e66;
  --color-basis-text: #ffffff;
  --color-plus: #7fc6b8;
  --color-plus-text: #14322d;
  --color-bonus: #e2a13c;
  --color-bonus-text: #3a2a06;
  --color-empty: #eee8da;
  --color-empty-text: #8a8474;

  --shadow-card: 0 2px 10px rgba(34, 48, 46, 0.08);
  --radius: 14px;
  --radius-sm: 8px;
  --font-main: "Manrope", "Segoe UI", system-ui, -apple-system, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #131a19;
    --color-surface: #1c2524;
    --color-surface-alt: #232e2d;
    --color-text: #e8efed;
    --color-text-muted: #9fb0ad;
    --color-primary: #3aa79b;
    --color-primary-strong: #55c2b5;
    --color-on-primary: #0c1615;
    --color-accent: #ef7f64;
    --color-accent-soft: #3a2620;
    --color-border: #35423f;
    --color-error-bg: #3a201a;
    --color-error-text: #f2a893;
    --color-error-border: #7c4030;
    --color-ok-bg: #1c332a;
    --color-ok-text: #86cfae;

    --color-basis: #3aa79b;
    --color-basis-text: #0c1615;
    --color-plus: #2c5d55;
    --color-plus-text: #cdeee7;
    --color-bonus: #c98f2f;
    --color-bonus-text: #211703;
    --color-empty: #26302f;
    --color-empty-text: #74827f;

    --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.45);
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.55;
  font-size: 1rem;
}

/* ---------- Header ---------- */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  max-width: 64rem;
  margin: 0 auto;
  padding: 0.9rem 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
}

.brand { display: flex; align-items: center; gap: 0.7rem; }
.brand-icon { display: block; }
.brand-text h1 { margin: 0; font-size: 1.2rem; font-weight: 800; letter-spacing: -0.01em; }
.tagline { margin: 0; font-size: 0.82rem; color: var(--color-text-muted); }

/* ---------- Layout ---------- */
.container {
  max-width: 64rem;
  margin: 0 auto;
  padding: 1rem;
  display: grid;
  gap: 1.1rem;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 1.2rem 1.1rem;
}

.card h2 { margin: 0 0 0.6rem; font-size: 1.15rem; font-weight: 800; }
.intro { margin: 0 0 1rem; color: var(--color-text-muted); }

/* ---------- Formular ---------- */
.field-grid { display: grid; gap: 0.9rem; }

@media (min-width: 40rem) {
  .field-grid { grid-template-columns: 1fr 1fr; }
}

.field label { display: block; font-weight: 600; font-size: 0.92rem; margin-bottom: 0.3rem; }
.field-checkbox label { display: flex; gap: 0.55rem; align-items: flex-start; font-weight: 600; }
.field-checkbox input { margin-top: 0.2rem; accent-color: var(--color-primary); }

.field input[type="number"] {
  width: 100%;
  padding: 0.6rem 0.7rem;
  font: inherit;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.field input[type="number"]:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

.field-hint { margin: 0.3rem 0 0; font-size: 0.8rem; color: var(--color-text-muted); }

.hint-box {
  margin-top: 1rem;
  padding: 0.8rem 0.9rem;
  background: var(--color-surface-alt);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-sm);
  font-size: 0.86rem;
}
.hint-box p { margin: 0 0 0.6rem; }
.hint-box p:last-child { margin-bottom: 0; }

/* ---------- Ergebnisse ---------- */
.results-grid {
  margin-top: 1rem;
  display: grid;
  gap: 0.9rem;
}

@media (min-width: 40rem) {
  .results-grid { grid-template-columns: 1fr 1fr; }
}

.result-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 0.95rem;
  background: var(--color-surface-alt);
}

.result-card h3 { margin: 0 0 0.5rem; font-size: 0.98rem; }

.result-row {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  padding: 0.22rem 0;
  font-size: 0.92rem;
}

.result-row.total {
  border-top: 1px solid var(--color-border);
  margin-top: 0.35rem;
  padding-top: 0.5rem;
  font-weight: 800;
}

.result-row .amount { font-variant-numeric: tabular-nums; white-space: nowrap; }
.result-note { margin: 0.5rem 0 0; font-size: 0.78rem; color: var(--color-text-muted); }

/* ---------- Anzeige ---------- */
.ad-slot {
  min-height: 5.5rem;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  background: var(--color-surface-alt);
}

.ad-slot-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
}

/* ---------- Planer ---------- */
.legend { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-bottom: 0.8rem; font-size: 0.82rem; }
.legend-item { display: inline-flex; align-items: center; gap: 0.35rem; }
.swatch { width: 0.9rem; height: 0.9rem; border-radius: 4px; display: inline-block; }
.swatch-basis { background: var(--color-basis); }
.swatch-plus { background: var(--color-plus); }
.swatch-bonus { background: var(--color-bonus); }

.scenario-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 0.9rem;
}
.scenario-label { font-size: 0.85rem; font-weight: 600; color: var(--color-text-muted); }

.timeline-scroll { overflow-x: auto; padding-bottom: 0.4rem; }

.timeline {
  display: grid;
  grid-template-columns: auto repeat(32, minmax(2.1rem, 1fr));
  gap: 3px;
  min-width: 52rem;
  align-items: stretch;
}

.tl-corner, .tl-month-head {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  text-align: center;
  padding: 0.15rem 0;
  font-weight: 600;
}

.tl-parent-label {
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  padding-right: 0.5rem;
  white-space: nowrap;
}

.tl-cell {
  border: none;
  border-radius: 6px;
  min-height: 2.2rem;
  font: inherit;
  font-size: 0.68rem;
  font-weight: 700;
  cursor: pointer;
  background: var(--color-empty);
  color: var(--color-empty-text);
  padding: 0;
}

.tl-cell:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 1px; }
.tl-cell[data-state="basis"] { background: var(--color-basis); color: var(--color-basis-text); }
.tl-cell[data-state="plus"]  { background: var(--color-plus);  color: var(--color-plus-text); }
.tl-cell[data-state="bonus"] { background: var(--color-bonus); color: var(--color-bonus-text); }

.plan-errors { display: grid; gap: 0.4rem; margin-top: 0.9rem; }
.plan-errors:empty { display: none; }

.plan-error {
  background: var(--color-error-bg);
  color: var(--color-error-text);
  border: 1px solid var(--color-error-border);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.75rem;
  font-size: 0.87rem;
}

.plan-ok {
  background: var(--color-ok-bg);
  color: var(--color-ok-text);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.75rem;
  font-size: 0.87rem;
}

.sums-grid {
  margin-top: 0.9rem;
  display: grid;
  gap: 0.7rem;
}

@media (min-width: 40rem) {
  .sums-grid { grid-template-columns: repeat(3, 1fr); }
}

.sum-card {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.7rem 0.85rem;
}

.sum-card .sum-label { margin: 0; font-size: 0.78rem; color: var(--color-text-muted); font-weight: 600; }
.sum-card .sum-value { margin: 0.15rem 0 0; font-size: 1.25rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.sum-card .sum-detail { margin: 0.15rem 0 0; font-size: 0.75rem; color: var(--color-text-muted); }
.sum-card.sum-total { border-color: var(--color-primary); }

/* ---------- Buttons ---------- */
.btn {
  font: inherit;
  font-weight: 700;
  font-size: 0.88rem;
  border-radius: 999px;
  padding: 0.5rem 1rem;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.btn-primary { background: var(--color-primary); color: var(--color-on-primary); }
.btn-primary:not(:disabled):hover { background: var(--color-primary-strong); }

.btn-premium { background: var(--color-accent); color: #fff; }
.btn-premium:hover { filter: brightness(0.93); }

.btn-secondary {
  background: var(--color-surface-alt);
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-secondary:hover { border-color: var(--color-primary); color: var(--color-primary); }

.btn-ghost { background: transparent; color: var(--color-text-muted); border-color: var(--color-border); }
.btn-ghost:hover { color: var(--color-text); }

.link-button {
  background: none;
  border: none;
  font: inherit;
  color: var(--color-primary);
  text-decoration: underline;
  cursor: pointer;
  padding: 0.2rem;
}

/* ---------- Disclaimer & Footer ---------- */
.disclaimer-card { border-left: 4px solid var(--color-accent); font-size: 0.9rem; }
.disclaimer-card p { margin: 0; }

.site-footer {
  max-width: 64rem;
  margin: 0 auto;
  padding: 1.2rem 1rem 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
  justify-content: space-between;
  color: var(--color-text-muted);
  font-size: 0.82rem;
}
.site-footer p { margin: 0; }

/* ---------- Modals ---------- */
.modal {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  max-width: 28rem;
  width: calc(100vw - 2rem);
  padding: 0;
  box-shadow: var(--shadow-card);
}

.modal::backdrop { background: rgba(10, 20, 18, 0.55); }
.modal-body { padding: 1.2rem 1.2rem 1.1rem; }
.modal-body h2 { margin: 0 0 0.6rem; font-size: 1.1rem; }
.modal-body p { margin: 0 0 0.7rem; font-size: 0.92rem; }
.modal-actions { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-top: 0.9rem; }

/* ---------- Erste-Schritte-Hilfe ---------- */
.header-actions { display: flex; align-items: center; gap: 0.6rem; flex: 0 0 auto; }

.help-btn {
  inline-size: 2rem; block-size: 2rem; padding: 0;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  font: inherit; font-weight: 700; font-size: 1rem; line-height: 1;
  cursor: pointer; flex: 0 0 auto;
}
.help-btn:hover, .help-btn:focus-visible { color: var(--color-primary); border-color: var(--color-primary); }

.tour-intro { color: var(--color-text-muted); }
.tour-steps { margin: 0 0 1rem; padding-left: 1.25rem; display: grid; gap: 0.6rem; }
.tour-steps li strong { color: var(--color-primary); }

.know-box {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1rem;
  margin-bottom: 1rem;
}
.know-box h3 { margin: 0 0 0.5rem; font-size: 0.95rem; }
.know-box ul { margin: 0; padding-left: 1.1rem; display: grid; gap: 0.4rem; }
.know-box li { font-size: 0.9rem; color: var(--color-text-muted); }