/* base.css – Globale Design-Tokens, Reset, App-Shell, wiederverwendbare Komponenten */

/* ─── Reset ──────────────────────────────────────────────────────────────────── */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

[hidden] {
  display: none !important;
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, select {
  font-family: inherit;
  font-size: inherit;
}

/* ─── Design Tokens ──────────────────────────────────────────────────────────── */

:root {
  /* Farben */
  --color-primary:       #2d6a4f;
  --color-primary-dark:  #1b4332;
  --color-primary-bg:    #eef6f1;
  --color-surface:       #ffffff;
  --color-surface-alt:   #f5f7f6;
  --color-border:        #d5e5dc;
  --color-text:          #1a2e25;
  --color-text-muted:    #5a7868;
  --color-danger:        #c0392b;
  --color-danger-dark:   #a93226;
  --color-danger-border: #e8a09a;
  --color-danger-bg:     #fdf2f1;
  --color-warning:       #92580a;
  --color-warning-bg:    #fef9ec;

  /* Overlays – semantisch über Komponenten hinweg, Dark-Mode-fähig */
  --color-overlay:        rgba(0, 0, 0, 0.45);     /* Modal-Backdrop u.ä. */
  --color-overlay-light:  rgba(255, 255, 255, 0.15); /* Hover auf farbigen Flächen (z.B. Header) */

  /* Abstände */
  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  40px;

  /* Typografie */
  --font: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-sm:   13px;
  --font-size-base: 16px;
  --font-size-lg:   18px;
  --font-size-xl:   22px;
  --line-height:    1.5;

  /* Rahmen */
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   16px;
  --radius-pill: 999px;

  /* Schatten */
  --shadow-card:         0 1px 3px rgba(0, 0, 0, 0.07), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-toggle-thumb: 0 1px 3px rgba(0, 0, 0, 0.22);

  /* Animation */
  --duration-fast: 150ms;
}

/* ─── Base ───────────────────────────────────────────────────────────────────── */

body {
  font-family: var(--font);
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  color: var(--color-text);
  background: var(--color-surface-alt);
  -webkit-font-smoothing: antialiased;
}

/* ─── App-Shell ──────────────────────────────────────────────────────────────── */

#app {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;  /* dvh: berücksichtigt mobile Browser-Chrome */
}

.app-header {
  background: var(--color-primary);
  color: white;
  padding: var(--space-md);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.app-header__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.app-header__settings {
  color: white;
  font-size: 22px;
  line-height: 1;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: background var(--duration-fast);
  position: relative;
}
.app-header__settings:hover { background: var(--color-overlay-light); }
.app-header__settings:focus-visible {
  outline: 2px solid white;
  outline-offset: 2px;
}

.app-header__settings-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-danger);
  box-shadow: 0 0 0 2px var(--color-primary);
}
.app-header__settings-badge[hidden] { display: none; }

.app-nav {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  flex-shrink: 0;
}

.app-nav__item {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  flex-shrink: 0;
}

.app-nav__item--active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.app-main {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

/* Zentrierter Inhalts-Container; wächst, damit der Footer bei kurzem Inhalt
   unten sitzt und bei langem Inhalt mitscrollt. */
.app-view {
  flex: 1 0 auto;
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
}

/* ─── App-Footer (mitscrollend) ─────────────────────────────────────────────── */

.app-footer {
  flex-shrink: 0;
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: var(--space-md);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.app-footer__copy { margin: 0; }

.app-footer__links {
  display: flex;
  gap: var(--space-md);
}

.app-footer__link {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  text-decoration: underline;
  cursor: pointer;
}
.app-footer__link:hover { color: var(--color-primary); }

/* ─── Rechtliche Views (Impressum / Datenschutz) ────────────────────────────── */

.legal-view { padding: var(--space-md); }

.legal-view__header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.legal-view__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
}

.legal-view__body {
  line-height: 1.6;
  color: var(--color-text);
}

.legal-view__body h3 {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin: var(--space-lg) 0 var(--space-sm);
}

.legal-view__body p { margin: 0 0 var(--space-sm); }
.legal-view__body a { color: var(--color-primary); }

.legal-view__lead { color: var(--color-text-muted); }

.legal-view__contact {
  font-style: normal;
  margin: 0 0 var(--space-sm);
}

.legal-view__list {
  margin: 0 0 var(--space-sm) var(--space-lg);
}
.legal-view__list li { margin-bottom: 2px; }

/* ─── Buttons ────────────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 10px var(--space-md);
  border-radius: var(--radius-sm);
  font-weight: 500;
  line-height: 1;
  transition: background var(--duration-fast), opacity var(--duration-fast);
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.38;
  cursor: not-allowed;
  pointer-events: none;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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

.btn--secondary {
  background: var(--color-primary-bg);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}
.btn--secondary:hover:not(:disabled) { background: var(--color-border); }

.btn--ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.btn--ghost:hover:not(:disabled) { background: var(--color-surface-alt); }

.btn--danger {
  background: var(--color-danger);
  color: white;
}
.btn--danger:hover:not(:disabled) { background: var(--color-danger-dark); }

.btn--danger-ghost {
  background: transparent;
  color: var(--color-danger);
  border: 1px solid var(--color-danger-border);
}
.btn--danger-ghost:hover:not(:disabled) {
  background: var(--color-danger-bg);
  border-color: var(--color-danger);
}

.btn--icon {
  padding: var(--space-xs) var(--space-sm);
  min-width: 32px;
  min-height: 32px;
  font-size: var(--font-size-sm);
}

/* ─── Badge ──────────────────────────────────────────────────────────────────── */

.badge {
  display: inline-block;
  padding: 2px 7px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 500;
  vertical-align: middle;
}

.badge--soon {
  background: var(--color-surface-alt);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

/* ─── Bestätigungs-Dialog ────────────────────────────────────────────────────── */

.dialog-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-overlay);
  display: flex;
  align-items: flex-end;   /* Mobile: Dialog von unten */
  justify-content: center;
  z-index: 100;
  padding: var(--space-md);
}

@media (min-width: 480px) {
  .dialog-overlay {
    align-items: center;   /* Desktop: zentriert */
  }
}

.dialog {
  background: var(--color-surface);
  border-radius: var(--radius-lg) var(--radius-lg) var(--radius-sm) var(--radius-sm);
  padding: var(--space-lg);
  width: 100%;
  max-width: 400px;
}

@media (min-width: 480px) {
  .dialog {
    border-radius: var(--radius-lg);
  }
}

.dialog__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.dialog__body {
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

.dialog__fields {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.dialog__checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin: calc(-1 * var(--space-sm)) 0 var(--space-lg);
  cursor: pointer;
}

.dialog__checkbox-input {
  flex-shrink: 0;
}

.dialog__actions {
  display: flex;
  gap: var(--space-sm);
}

.dialog__actions .btn {
  flex: 1;
  justify-content: center;
}

/* Drei-Wege-Auswahl (showChoice mit tertiary, S33): vertikal stapeln, damit
   die Labels nicht in einer Zeile gequetscht werden. column-reverse → Primär
   (häufigste Wahl) oben, danach secondary, tertiary. */
.dialog__actions--stacked {
  flex-direction: column-reverse;
}

/* Upgrade-Modal (S35): Pro-Vorteile als kompakte Liste zwischen Body und CTA. */
.dialog__benefits {
  list-style: none;
  margin: 0 0 var(--space-lg);
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.dialog__benefits li {
  position: relative;
  padding-left: var(--space-lg);
}

.dialog__benefits li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

/* ─── Form-Felder ────────────────────────────────────────────────────────────── */

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-field--disabled {
  opacity: 0.5;
  pointer-events: none;
}

.form-field--toggle {
  gap: var(--space-sm);
}

.form-field__label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}

.form-field__input,
.form-field__select {
  width: 100%;
  padding: 10px var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  appearance: none;
  -webkit-appearance: none;
}

.form-field__input:focus,
.form-field__select:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-color: var(--color-primary);
}

/* Pfeil-Icon für Select */
.form-field__select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%235a7868' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}

.form-field__hint {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.form-field__warning {
  font-size: var(--font-size-sm);
  color: var(--color-warning);
  background: var(--color-warning-bg);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-warning);
}

.form-field__error {
  font-size: var(--font-size-sm);
  color: var(--color-danger);
}

.form-error {
  font-size: var(--font-size-sm);
  color: var(--color-danger);
  background: var(--color-danger-bg);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  text-align: center;
}

/* ─── Formular-Aktionen ──────────────────────────────────────────────────────── */

/* Wrapper: nimmt form-actions + danger-zone aus dem form-gap heraus */
.form-bottom {
  display: flex;
  flex-direction: column;
}

.form-actions {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-md) 0;
  border-top: 1px solid var(--color-border);
}

.form-actions .btn {
  flex: 1;
  justify-content: center;
}

/* ─── Fehlermeldungen (generisch) ────────────────────────────────────────────── */

.error-text {
  color: var(--color-danger);
  padding: var(--space-lg);
  text-align: center;
}

/* ─── Reload-Banner ──────────────────────────────────────────────────────────── */

.reload-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-warning-bg);
  border-top: 2px solid var(--color-warning);
  color: var(--color-text);
  padding: var(--space-md);
  z-index: 1000;
  display: flex;
  gap: var(--space-md);
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.08);
}

.reload-banner__text { flex: 1; }
.reload-banner__btn  { flex-shrink: 0; }