/* ==========================================================================
   Vortragsbuchung Herrenberg
   Design: "Fruitful" Style Reference (DESIGN.md)
   ========================================================================== */

:root {
  /* Colors */
  --color-forest-floor: #0b7443;
  --color-deep-moss: #054f31;
  --color-vivid-leaf: #61bc76;
  --color-bright-sprout: #039855;
  --color-mint-wash: #d1fadf;
  --color-warm-putty: #715039;
  --color-sandstone: #d1a883;
  --color-apricot-cream: #fee9d1;
  --color-paper-white: #ffffff;
  --color-soft-mist: #eceff4;
  --color-pale-stone: #f4f4f4;
  --color-graphite-text: #5b616b;
  --color-ink-black: #000000;

  /* Hairline: schwarz, aber leise */
  --hairline: rgba(0, 0, 0, 0.12);

  /* Typography */
  --font-pp-neue-montreal: 'PP Neue Montreal', 'Inter', ui-sans-serif, system-ui,
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --text-caption: 11px;      --leading-caption: 1.4;      --tracking-caption: -0.004em;
  --text-body: 16px;         --leading-body: 1.5;         --tracking-body: -0.004em;
  --text-subheading: 20px;   --leading-subheading: 1.33;  --tracking-subheading: -0.004em;
  --text-heading-sm: 24px;   --leading-heading-sm: 1.32;  --tracking-heading-sm: -0.01em;
  --text-heading: 38px;      --leading-heading: 1.25;     --tracking-heading: -0.01em;
  --text-heading-lg: 48px;   --leading-heading-lg: 1.2;   --tracking-heading-lg: -0.01em;
  --text-display: 60px;      --leading-display: 1.1;      --tracking-display: -0.019em;

  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Spacing */
  --spacing-4: 4px;    --spacing-8: 8px;    --spacing-12: 12px;  --spacing-16: 16px;
  --spacing-20: 20px;  --spacing-24: 24px;  --spacing-32: 32px;  --spacing-40: 40px;
  --spacing-48: 48px;  --spacing-60: 60px;  --spacing-64: 64px;  --spacing-72: 72px;
  --spacing-80: 80px;  --spacing-100: 100px; --spacing-120: 120px;

  /* Layout */
  --page-max-width: 1200px;
  --wrap-pad: 24px;
  --section-gap: 80px;
  --card-padding: 24px;
  --element-gap: 12px;

  /* Radius */
  --radius-md: 4px;
  --radius-cards: 12px;
  --radius-buttons: 12px;
  --radius-images: 20px;
  --radius-pills: 80px;

  /* Elevation */
  --shadow-md: rgba(0, 0, 0, 0.05) 0px 25px 16px 0px,
               rgba(0, 0, 0, 0.1) 0px 10px 10px 0px,
               rgba(0, 0, 0, 0.1) 0px 3px 6px 0px;
}

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--color-paper-white);
  color: var(--color-ink-black);
  font-family: var(--font-pp-neue-montreal);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  letter-spacing: var(--tracking-body);
  font-weight: var(--font-weight-medium);
  font-feature-settings: "ss01" on;
  -webkit-font-smoothing: antialiased;
}

/* Vollflaechiger Verlauf auf Start- und Dankesseite. Der Footer bleibt weiss. */
.page-wash {
  min-height: 100vh;
  background-image: linear-gradient(
    rgba(209, 250, 223, 0.5),
    rgba(209, 250, 223, 1),
    rgba(209, 250, 223, 0.8)
  );
  background-repeat: no-repeat;
  background-size: 100% 100%;
}

.page-wash .footer {
  background: var(--color-paper-white);
  border-top: 0;
}

/* Auf dem Verlauf brauchen helle Flaechen einen eigenen Untergrund */
.page-wash .note-reminder {
  background: var(--color-paper-white);
  border-color: transparent;
}

p { margin: 0 0 var(--spacing-16); color: var(--color-graphite-text); }
p:last-child { margin-bottom: 0; }

a { color: var(--color-forest-floor); }

h1, h2, h3 {
  margin: 0;
  font-weight: var(--font-weight-medium);
  color: var(--color-ink-black);
}

:focus-visible {
  outline: 3px solid var(--color-forest-floor);
  outline-offset: 3px;
  border-radius: var(--radius-md);
}

.wrap {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding-left: calc(var(--wrap-pad) + env(safe-area-inset-left, 0px));
  padding-right: calc(var(--wrap-pad) + env(safe-area-inset-right, 0px));
}

.wrap--narrow { max-width: 760px; }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

/* --------------------------------------------------------------------------
   Nav
   -------------------------------------------------------------------------- */

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-16);
  padding: var(--spacing-20) 0;
}

.nav__mark {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-8);
  font-size: var(--text-body);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-body);
  color: var(--color-ink-black);
  text-decoration: none;
}

.nav__leaf { display: block; flex: none; }

.nav__meta {
  font-size: 14px;
  color: var(--color-graphite-text);
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero { padding: var(--spacing-60) 0 var(--spacing-48); }

.hero__eyebrow {
  display: inline-block;
  background: var(--color-paper-white);
  color: var(--color-deep-moss);
  padding: 6px 12px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-20);
}

.hero__title {
  font-size: var(--text-display);
  line-height: var(--leading-display);
  letter-spacing: var(--tracking-display);
  max-width: 16ch;
}

.hero__lead {
  margin-top: var(--spacing-20);
  max-width: 60ch;
  font-size: var(--text-subheading);
  line-height: var(--leading-subheading);
  color: var(--color-graphite-text);
}

/* --------------------------------------------------------------------------
   Terminliste
   -------------------------------------------------------------------------- */

.section { padding-bottom: var(--spacing-80); }

.section__header {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-16);
  margin-bottom: var(--spacing-24);
  flex-wrap: wrap;
}

.section__title {
  font-size: var(--text-heading-sm);
  line-height: var(--leading-heading-sm);
  letter-spacing: var(--tracking-heading-sm);
}

.section__hint { font-size: 14px; color: var(--color-graphite-text); }

.slots {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-16);
  list-style: none;
  margin: 0;
  padding: 0;
}

.slot {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-12);
  min-height: 132px;
  padding: var(--card-padding);
  border-radius: var(--radius-cards);
  border: 1px solid transparent;
  text-decoration: none;
  transition: transform 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.slot__date {
  font-size: var(--text-subheading);
  line-height: var(--leading-subheading);
  letter-spacing: var(--tracking-subheading);
  font-weight: var(--font-weight-semibold);
}

.slot__foot {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-12);
}

/* Frei — Primaerfarbe, weil der freie Termin die Hauptaktion der Seite ist */
.slot--free {
  background: var(--color-forest-floor);
  color: var(--color-paper-white);
  cursor: pointer;
}

.slot--free .slot__date { color: var(--color-paper-white); }

.slot--free:hover,
.slot--free:focus-visible {
  transform: translateY(-2px);
  background: var(--color-deep-moss);
}

/* Gedrueckt: Karte sinkt spuerbar ein */
.slot--free:active {
  transform: translateY(0) scale(0.985);
  background: var(--color-deep-moss);
}

.slot__cta {
  font-size: 14px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-paper-white);
}

.slot--free .tag--free {
  background: rgba(255, 255, 255, 0.18);
  color: var(--color-paper-white);
}

.slot__arrow { transition: transform 0.18s ease; }
.slot--free:hover .slot__arrow { transform: translateX(4px); }

/* Gebucht */
.slot--taken {
  background: var(--color-pale-stone);
  border-color: var(--hairline);
  color: var(--color-graphite-text);
  cursor: not-allowed;
}

.slot--taken .slot__date {
  color: var(--color-graphite-text);
  text-decoration: line-through;
  text-decoration-thickness: 1px;
  text-decoration-color: rgba(91, 97, 107, 0.5);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--radius-pills);
  font-size: 12px;
  font-weight: var(--font-weight-medium);
}

.tag--free { background: var(--color-mint-wash); color: var(--color-forest-floor); }
.tag--taken { background: var(--color-paper-white); color: var(--color-graphite-text); }

.empty {
  padding: var(--spacing-48);
  border-radius: var(--radius-cards);
  background: var(--color-apricot-cream);
  text-align: center;
}

.empty p { color: var(--color-ink-black); }

/* --------------------------------------------------------------------------
   Buchungsstrecke
   -------------------------------------------------------------------------- */

.flow { padding: var(--spacing-40) 0 var(--spacing-80); }

.progress {
  display: flex;
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-32);
}

.progress__seg {
  height: 4px;
  flex: 1;
  border-radius: var(--radius-pills);
  background: var(--color-soft-mist);
}

.progress__seg--done { background: var(--color-forest-floor); }

.step__number {
  font-size: var(--text-heading);
  line-height: 1;
  font-weight: var(--font-weight-regular);
  color: var(--color-graphite-text);
  letter-spacing: var(--tracking-heading);
  display: block;
  margin-bottom: var(--spacing-12);
}

.step__title {
  font-size: var(--text-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
}

.step__lead {
  margin-top: var(--spacing-12);
  font-size: var(--text-subheading);
  line-height: var(--leading-subheading);
  color: var(--color-graphite-text);
}

.slot-banner {
  display: flex;
  align-items: center;
  gap: var(--spacing-12);
  background: var(--color-apricot-cream);
  border-radius: var(--radius-cards);
  padding: var(--spacing-16) var(--spacing-20);
  margin-bottom: var(--spacing-32);
  font-weight: var(--font-weight-semibold);
}

.slot-banner__label { font-size: 12px; font-weight: var(--font-weight-medium); color: var(--color-warm-putty); display: block; }
.slot-banner__value { font-size: var(--text-subheading); }

/* Formularfelder */

.form { margin-top: var(--spacing-32); }

.field { margin-bottom: var(--spacing-24); }

.field__label {
  display: block;
  font-size: var(--text-body);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-8);
}

.field__hint {
  display: block;
  font-size: 14px;
  font-weight: var(--font-weight-medium);
  color: var(--color-graphite-text);
  margin-bottom: var(--spacing-8);
}

.input, .textarea {
  width: 100%;
  font-family: inherit;
  font-size: var(--text-body);
  line-height: var(--leading-body);
  letter-spacing: var(--tracking-body);
  font-weight: var(--font-weight-medium);
  color: var(--color-ink-black);
  background: var(--color-paper-white);
  border: 1px solid rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-buttons);
  padding: 12px 16px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.textarea { min-height: 120px; resize: vertical; }

.input:focus, .textarea:focus {
  outline: none;
  border-color: var(--color-forest-floor);
  box-shadow: 0 0 0 4px var(--color-mint-wash);
}

.input::placeholder, .textarea::placeholder { color: #9aa0a8; }

.field--error .input, .field--error .textarea { border-color: #b42318; }

.field__error {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  color: #b42318;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-16);
}

/* Auswahl-Karten (Checkbox / Radio) */

.choices { display: grid; gap: var(--spacing-8); }

.choice {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-12);
  padding: 14px 16px;
  border: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: var(--radius-buttons);
  background: var(--color-paper-white);
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease,
              transform 0.08s ease;
}

.choice:hover { border-color: var(--color-forest-floor); }
.choice:active { transform: scale(0.99); }

.choice input { margin: 2px 0 0; accent-color: var(--color-forest-floor); width: 18px; height: 18px; flex: none; }

.choice:has(input:checked) {
  border-color: var(--color-forest-floor);
  background: var(--color-mint-wash);
}

.choice:has(input:focus-visible) {
  box-shadow: 0 0 0 4px var(--color-mint-wash);
  border-color: var(--color-forest-floor);
}

.choice__main { display: flex; flex-direction: column; gap: 2px; }
.choice__title { font-weight: var(--font-weight-semibold); }
.choice__note { font-size: 14px; color: var(--color-graphite-text); }

.choice-group { margin-bottom: var(--spacing-24); }

.choice-group--preferred {
  background: var(--color-mint-wash);
  border-radius: var(--radius-cards);
  padding: var(--spacing-20);
}

.choice-group--preferred .choice { background: var(--color-paper-white); border-color: transparent; }
.choice-group--preferred .choice:has(input:checked) { border-color: var(--color-forest-floor); }

.choice-group__title {
  display: flex;
  align-items: center;
  gap: var(--spacing-8);
  font-size: var(--text-subheading);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-4);
}

.choice-group__desc {
  font-size: 14px;
  color: var(--color-graphite-text);
  margin-bottom: var(--spacing-16);
}

.choice-group--preferred .choice-group__desc { color: var(--color-deep-moss); }

.star { color: var(--color-bright-sprout); }

/* Aufklappendes Feld in Schritt 3 */
.reveal { margin-top: var(--spacing-16); }
.reveal[hidden] { display: none; }

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

.actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-16);
  margin-top: var(--spacing-40);
  padding-top: var(--spacing-24);
  border-top: 1px solid var(--hairline);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-8);
  font-family: inherit;
  font-size: var(--text-body);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--tracking-body);
  padding: 12px 24px;
  border-radius: var(--radius-buttons);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.15s ease, color 0.15s ease,
              border-color 0.15s ease, transform 0.08s ease;
}

/* Gedrueckt: Element sinkt kurz ein */
.btn:active { transform: translateY(1px) scale(0.985); }

/* Grauer "Weiter"-Button — Schritt 1 und 2 */
.btn--grey {
  background: var(--color-soft-mist);
  color: var(--color-ink-black);
}
.btn--grey:hover { background: #dfe4ec; }

/* Gruener Abschluss-Button — nur Schritt 3 */
.btn--primary {
  background: var(--color-forest-floor);
  color: var(--color-paper-white);
  font-weight: var(--font-weight-bold);
  padding: 16px 32px;
}
.btn--primary:hover { background: var(--color-deep-moss); }

.btn--ghost {
  background: transparent;
  border-color: var(--color-ink-black);
  color: var(--color-ink-black);
}
.btn--ghost:hover { background: rgba(0, 0, 0, 0.04); }

.btn--link {
  background: transparent;
  color: var(--color-graphite-text);
  padding-left: 0;
  padding-right: 0;
}
.btn--link:hover { color: var(--color-ink-black); }

/* --------------------------------------------------------------------------
   Dankesseite
   -------------------------------------------------------------------------- */

.thanks { padding: var(--spacing-72) 0 var(--spacing-80); }

.thanks__check { margin-bottom: var(--spacing-24); }

.thanks__title {
  font-size: var(--text-heading-lg);
  line-height: var(--leading-heading-lg);
  letter-spacing: var(--tracking-heading-lg);
  max-width: 20ch;
}

.thanks__lead {
  margin-top: var(--spacing-20);
  font-size: var(--text-subheading);
  line-height: var(--leading-subheading);
  color: var(--color-graphite-text);
  max-width: 60ch;
}

.thanks__slot {
  display: inline-block;
  margin-top: var(--spacing-24);
  background: var(--color-mint-wash);
  color: var(--color-deep-moss);
  padding: 6px 12px;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
}

.card-warm {
  background: var(--color-apricot-cream);
  border-radius: var(--radius-cards);
  padding: var(--spacing-32);
  margin-top: var(--spacing-40);
}

.card-warm__title {
  font-size: var(--text-heading-sm);
  line-height: var(--leading-heading-sm);
  letter-spacing: var(--tracking-heading-sm);
  margin-bottom: var(--spacing-12);
}

.card-warm p { color: var(--color-ink-black); }

.contact-list {
  list-style: none;
  margin: var(--spacing-16) 0 0;
  padding: 0;
  display: grid;
  gap: var(--spacing-8);
}

.contact-list a { color: var(--color-forest-floor); font-weight: var(--font-weight-semibold); }

.note-reminder {
  display: flex;
  gap: var(--spacing-12);
  align-items: flex-start;
  margin-top: var(--spacing-24);
  padding: var(--spacing-20);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-cards);
}

.note-reminder p { color: var(--color-ink-black); }

.close-hint {
  margin-top: var(--spacing-32);
  font-size: 14px;
  color: var(--color-graphite-text);
}

/* --------------------------------------------------------------------------
   Meldungen
   -------------------------------------------------------------------------- */

.alert {
  border-radius: var(--radius-cards);
  padding: var(--spacing-16) var(--spacing-20);
  margin-bottom: var(--spacing-24);
  border: 1px solid var(--hairline);
}

.alert--error { border-color: rgba(180, 35, 24, 0.35); background: #fdf3f2; color: #7a271a; }
.alert--ok { border-color: var(--color-forest-floor); background: var(--color-mint-wash); color: var(--color-deep-moss); }
.alert p { color: inherit; }

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

.footer {
  border-top: 1px solid var(--hairline);
  padding: var(--spacing-40) 0;
  font-size: 14px;
  color: var(--color-graphite-text);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-16);
  flex-wrap: wrap;
}

.footer a { color: var(--color-graphite-text); }

/* --------------------------------------------------------------------------
   Admin
   -------------------------------------------------------------------------- */

.admin-login {
  max-width: 420px;
  margin: var(--spacing-100) auto;
  padding: 0 var(--spacing-24);
}

.admin-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--spacing-16);
  flex-wrap: wrap;
  padding: var(--spacing-40) 0 var(--spacing-24);
}

.admin-title {
  font-size: var(--text-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
}

.panel {
  background: var(--color-apricot-cream);
  border-radius: var(--radius-cards);
  padding: var(--spacing-24);
  margin-bottom: var(--spacing-40);
}

.panel__title {
  font-size: var(--text-subheading);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-12);
}

.panel .input { border-color: rgba(0, 0, 0, 0.15); }

.add-row { display: flex; gap: var(--spacing-12); align-items: flex-start; flex-wrap: wrap; }
.add-row .input { flex: 1 1 320px; }

.table-wrap { overflow-x: auto; }

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.table th {
  text-align: left;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-graphite-text);
  font-weight: var(--font-weight-semibold);
  padding: 0 var(--spacing-12) var(--spacing-12);
  white-space: nowrap;
}

.table td {
  padding: var(--spacing-16) var(--spacing-12);
  border-top: 1px solid var(--hairline);
  vertical-align: top;
}

.table tr.is-hidden td { opacity: 0.55; }

.table__label { font-weight: var(--font-weight-semibold); font-size: var(--text-body); }

.booking-detail { font-size: 14px; color: var(--color-graphite-text); display: grid; gap: 2px; }
.booking-detail strong { color: var(--color-ink-black); font-weight: var(--font-weight-semibold); }

.row-actions { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }

.btn--tiny {
  font-size: 13px;
  padding: 7px 12px;
  border-radius: 10px;
  background: var(--color-paper-white);
  border-color: rgba(0, 0, 0, 0.15);
  color: var(--color-ink-black);
}
.btn--tiny:hover { border-color: var(--color-ink-black); }
.btn--danger { color: #b42318; border-color: rgba(180, 35, 24, 0.3); }
.btn--danger:hover { border-color: #b42318; background: #fdf3f2; }

.btn--icon { padding: 7px 10px; line-height: 1; }

.inline-form { display: inline; }

.stat-row { display: flex; gap: var(--spacing-32); flex-wrap: wrap; margin-bottom: var(--spacing-24); }
.stat__value { font-size: var(--text-heading-sm); font-weight: var(--font-weight-semibold); display: block; }
.stat__label { font-size: 14px; color: var(--color-graphite-text); }

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 720px) {
  :root {
    --text-display: 40px;
    --text-heading-lg: 34px;
    --text-heading: 30px;
    --card-padding: 20px;
    /* etwas mehr Luft links und rechts als auf dem Desktop */
    --wrap-pad: 28px;
  }



  .hero { padding: var(--spacing-40) 0 var(--spacing-32); }
  .hero__title { max-width: none; }
  .grid-2 { grid-template-columns: 1fr; }
  .slots { grid-template-columns: 1fr; }

  .actions { flex-direction: column-reverse; align-items: stretch; }
  .actions .btn { width: 100%; }

  .card-warm { padding: var(--spacing-24); }
  .row-actions { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}