/* ==========================================================================
   FristPilot – Stylesheet
   Mobile-first, Light/Dark über prefers-color-scheme, Tokens auf :root
   ========================================================================== */

:root {
  --color-bg: #f4f7f6;
  --color-surface: #ffffff;
  --color-surface-alt: #e8efee;
  --color-text: #1c2b2a;
  --color-text-muted: #55706e;
  --color-primary: #0f5c5a;
  --color-primary-strong: #0a4342;
  --color-primary-contrast: #ffffff;
  --color-accent: #e8a13d;
  --color-accent-contrast: #2b1d05;
  --color-border: #cfdedd;
  --color-danger: #b3402f;
  --color-success: #2c7a4b;
  --shadow-card: 0 2px 10px rgba(15, 92, 90, 0.08);
  --radius: 12px;
  --font-main: "Manrope", "Segoe UI", system-ui, -apple-system, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #101a19;
    --color-surface: #182524;
    --color-surface-alt: #1f302f;
    --color-text: #e4eeed;
    --color-text-muted: #93aead;
    --color-primary: #3fa8a5;
    --color-primary-strong: #5ec4c1;
    --color-primary-contrast: #071414;
    --color-accent: #eab35c;
    --color-accent-contrast: #2b1d05;
    --color-border: #2c403f;
    --color-danger: #e0705d;
    --color-success: #5fbc85;
    --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.4);
  }
}

* { box-sizing: border-box; }

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

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

.wrap {
  width: 100%;
  max-width: 60rem;
  margin: 0 auto;
  padding: 0 1rem;
}

/* ---------- Header ---------- */

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

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.brand-icon { display: block; }

.brand-name {
  display: block;
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
  color: var(--color-primary);
}

.brand-claim {
  display: block;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.help-btn {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--color-text-muted);
}

/* ---------- Intro ---------- */

.intro { padding: 1.5rem 0 0.5rem; }

.intro h1 {
  margin: 0 0 0.5rem;
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.intro p { margin: 0; color: var(--color-text-muted); }

/* ---------- Tabs ---------- */

.tabs {
  display: flex;
  gap: 0.4rem;
  margin: 1.25rem 0 1rem;
  border-bottom: 2px solid var(--color-border);
  overflow-x: auto;
}

.tab {
  appearance: none;
  border: none;
  background: transparent;
  font: inherit;
  font-weight: 700;
  color: var(--color-text-muted);
  padding: 0.6rem 0.9rem;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  white-space: nowrap;
}

.tab:hover { color: var(--color-primary); }

.tab.is-active {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
}

/* ---------- Cards & Forms ---------- */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 1.25rem;
  margin: 0 0 1.25rem;
}

.card h2 { margin: 0 0 0.75rem; font-size: 1.2rem; }
.card h3 { margin: 0 0 0.75rem; font-size: 1.05rem; }

.field-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
  margin-bottom: 1rem;
}

.field label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.3rem;
}

.field small {
  display: block;
  margin-top: 0.3rem;
  color: var(--color-text-muted);
  font-size: 0.78rem;
}

.field input[type="date"],
.field input[type="month"],
.field input[type="number"],
.field input[type="text"],
.field select,
.field textarea {
  width: 100%;
  font: inherit;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 0.55rem 0.65rem;
}

.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible,
.btn:focus-visible,
.tab:focus-visible,
.linklike:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.field textarea { resize: vertical; }

.inline-inputs {
  display: flex;
  gap: 0.5rem;
}

.inline-inputs input { max-width: 6rem; }
.inline-inputs select { flex: 1; }

.check {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
}

.check input { width: 1.1rem; height: 1.1rem; accent-color: var(--color-primary); }

/* ---------- Buttons ---------- */

.btn {
  appearance: none;
  border: none;
  font: inherit;
  font-weight: 700;
  border-radius: 8px;
  padding: 0.6rem 1.1rem;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

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

.btn-primary {
  background: var(--color-primary);
  color: var(--color-primary-contrast);
}

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

.btn-secondary {
  background: var(--color-surface-alt);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover:not(:disabled) { border-color: var(--color-primary); color: var(--color-primary); }

.btn-premium {
  background: var(--color-accent);
  color: var(--color-accent-contrast);
  font-size: 0.85rem;
  padding: 0.5rem 0.9rem;
}

.btn-premium:hover { filter: brightness(1.06); }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.linklike {
  appearance: none;
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  color: var(--color-primary);
  text-decoration: underline;
  cursor: pointer;
}

/* ---------- Ergebnis-Karten ---------- */

.result-area { margin-bottom: 1.25rem; }

.result-card {
  background: var(--color-surface);
  border: 1px solid var(--color-primary);
  border-left: 6px solid var(--color-primary);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 1.1rem 1.25rem;
  margin-bottom: 0.9rem;
}

.result-card h3 {
  margin: 0 0 0.6rem;
  font-size: 1.02rem;
  color: var(--color-primary);
}

.result-rows { margin: 0; }

.result-rows div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.3rem 0;
  border-bottom: 1px dashed var(--color-border);
  font-size: 0.95rem;
}

.result-rows div:last-child { border-bottom: none; }

.result-rows dt { color: var(--color-text-muted); margin: 0; }
.result-rows dd { margin: 0; font-weight: 700; text-align: right; }

.countdown {
  margin-top: 0.7rem;
  font-weight: 800;
  font-size: 1rem;
}

.countdown.ok { color: var(--color-success); }
.countdown.warn { color: var(--color-accent); }
.countdown.over { color: var(--color-danger); }

.result-card .btn { margin-top: 0.8rem; }

.result-error {
  border-left-color: var(--color-danger);
  border-color: var(--color-danger);
}

.result-error p { margin: 0; color: var(--color-danger); font-weight: 600; }

/* ---------- Notizen, Ad-Slot, Generator ---------- */

.note {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin: 0 0 1.5rem;
}

.ad-slot {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 90px;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface-alt);
  margin: 0 0 1.5rem;
}

.ad-hint {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
}

.field-wide { grid-column: 1 / -1; }

.letter-output {
  margin: 1rem 0 0;
  padding: 1rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.92rem;
  white-space: pre-wrap;
  overflow-x: auto;
}

.disclaimer-card { border-left: 6px solid var(--color-accent); }
.disclaimer-card p { margin: 0; font-size: 0.9rem; }

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  margin-top: 2rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding-top: 1rem;
  padding-bottom: 1rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.footer-nav { display: flex; gap: 1rem; }

/* ---------- Modals ---------- */

.modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(10, 25, 24, 0.6);
  z-index: 50;
}

.modal[hidden] { display: none; }

.modal-box {
  position: relative;
  width: 100%;
  max-width: 30rem;
  max-height: 85vh;
  overflow-y: auto;
  background: var(--color-surface);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  padding: 1.5rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
}

.modal-box h2 { margin-top: 0; }

.modal-close {
  position: absolute;
  top: 0.6rem;
  right: 0.7rem;
  appearance: none;
  border: none;
  background: transparent;
  font-size: 1.6rem;
  line-height: 1;
  color: var(--color-text-muted);
  cursor: pointer;
}

.modal-close:hover { color: var(--color-danger); }

/* ---------- Erste-Schritte-Hilfe ---------- */

.help-steps {
  margin: 0 0 1rem;
  padding-left: 1.35rem;
}

.help-steps li { margin-bottom: 0.55rem; }

.help-steps li::marker {
  font-weight: 700;
  color: var(--color-primary);
}

.help-subtitle {
  margin: 0.9rem 0 0.4rem;
  font-size: 0.95rem;
}

.help-know {
  margin: 0;
  padding-left: 1.15rem;
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

.help-know li { margin-bottom: 0.3rem; }

.modal-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 1.1rem;
}

/* ---------- Druckansicht ---------- */

@media print {
  body * { visibility: hidden; }
  .letter-output, .letter-output * { visibility: visible; }
  .letter-output {
    position: absolute;
    inset: 0;
    margin: 0;
    padding: 2cm;
    border: none;
    background: #ffffff;
    color: #000000;
    font-size: 12pt;
  }
}

/* ---------- Ab Tablet ---------- */

@media (min-width: 40rem) {
  .intro h1 { font-size: 2rem; }
  .field-grid { grid-template-columns: 1fr 1fr; }
  .field-check { align-self: end; }
  .card { padding: 1.5rem 1.75rem; }
}