/* ──────────────────────────────────────────────────────────────────────────
   Widerrufsformular – Basis-Stylesheet
   Farben werden via CSS-Variablen aus config.php injiziert (in index.php).
   ────────────────────────────────────────────────────────────────────────── */

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

html {
  font-size: var(--base-font-size);
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: var(--line-height);
  color: var(--body-text);
  background-color: var(--body-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--link-color);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* ── Header ─────────────────────────────────────────────────────────────── */
.site-header {
  background: #ffffff;
  height: var(--header-height);
  display: flex;
  align-items: center;
  border-bottom: 1px solid #e8e4df;
}

.site-header .inner {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.site-header .logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--link-color);
  text-decoration: none;
}

.site-header .logo img {
  height: var(--logo-height);
  width: auto;
}

.site-header .logo-text {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: normal;
  letter-spacing: 0.5px;
  white-space: nowrap;
  color: var(--link-color);
}

/* ── Akzentstreifen ──────────────────────────────────────────────────────── */
.accent-stripe {
  height: var(--accent-stripe-height);
  background: var(--accent-color);
}

/* ── Hauptinhalt ─────────────────────────────────────────────────────────── */
.site-main {
  flex: 1;
  padding: 40px 24px 60px;
}

.page-header {
  max-width: 760px;
  margin: 0 auto 32px;
}

.page-header h1 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: normal;
  color: var(--link-color);
  border-bottom: 2px solid var(--primary-bg);
  padding-bottom: 12px;
  margin-bottom: 12px;
}

.page-header .intro {
  font-size: 0.95rem;
  color: #555;
  max-width: 640px;
}

/* ── Formular-Container ──────────────────────────────────────────────────── */
.form-card {
  background: var(--form-bg);
  border-radius: var(--form-border-radius);
  box-shadow: var(--form-shadow);
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 48px;
}

@media (max-width: 620px) {
  .form-card {
    padding: 24px 20px;
  }
}

/* ── Formular-Sektionen ──────────────────────────────────────────────────── */
.form-section {
  margin-bottom: 36px;
}

.form-section:last-of-type {
  margin-bottom: 0;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--primary-bg);
  border-bottom: 2px solid var(--primary-bg);
  padding-bottom: 6px;
  margin-bottom: 20px;
}

/* ── Empfänger-Box ───────────────────────────────────────────────────────── */
.recipient-box {
  background: var(--fieldset-bg);
  border: 1px solid var(--fieldset-border);
  border-radius: 3px;
  padding: 16px 20px;
  font-size: 0.9rem;
  line-height: 1.6;
}

.recipient-box .label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: #888;
  margin-bottom: 6px;
}

/* ── Formular-Felder ─────────────────────────────────────────────────────── */
.field-group {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.field-group.two-col {
  grid-template-columns: 1fr 1fr;
}

.field-group.three-col {
  grid-template-columns: 2fr 1fr 2fr;
}

@media (max-width: 560px) {
  .field-group.two-col,
  .field-group.three-col {
    grid-template-columns: 1fr;
  }
}

.field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

label {
  font-size: 0.85rem;
  font-weight: bold;
  color: #444;
  line-height: 1.3;
}

label .required {
  color: var(--required-color);
  margin-left: 3px;
}

label .optional {
  color: #999;
  font-weight: normal;
  font-size: 0.8rem;
  margin-left: 4px;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
textarea,
select {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--input-border);
  border-radius: 3px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--body-text);
  background: #fff;
  transition: border-color 0.15s, box-shadow 0.15s;
  appearance: none;
  -webkit-appearance: none;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="date"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--input-focus-border);
  box-shadow: 0 0 0 3px rgba(26, 53, 89, 0.12);
}

textarea {
  resize: vertical;
  min-height: 90px;
}

/* ── Radio-Gruppe ────────────────────────────────────────────────────────── */
.radio-group {
  display: flex;
  gap: 24px;
  margin-top: 4px;
  flex-wrap: wrap;
}

.radio-option {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.95rem;
}

.radio-option input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary-bg);
  cursor: pointer;
  flex-shrink: 0;
}

/* ── Conditional Field (Empfangsdatum) ───────────────────────────────────── */
#receiptDateField {
  transition: opacity 0.2s;
}

#receiptDateField.hidden {
  opacity: 0;
  pointer-events: none;
}

/* ── Captcha-Slot ────────────────────────────────────────────────────────── */
.captcha-wrapper {
  margin-top: 4px;
}

/* ── Submit-Button ───────────────────────────────────────────────────────── */
.submit-area {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.privacy-note {
  font-size: 0.8rem;
  color: #777;
  line-height: 1.5;
}

.privacy-note a {
  color: var(--link-color);
}

.btn-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--primary-bg);
  color: var(--primary-text);
  border: none;
  border-radius: 3px;
  padding: 13px 32px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: bold;
  letter-spacing: 0.3px;
  cursor: pointer;
  transition: background 0.15s;
  align-self: flex-start;
}

.btn-submit:hover {
  background: var(--primary-hover-bg);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-submit .spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.btn-submit.loading .spinner {
  display: inline-block;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Benachrichtigungen ──────────────────────────────────────────────────── */
.alert {
  padding: 16px 20px;
  border-radius: 3px;
  border-left: 4px solid;
  font-size: 0.95rem;
  line-height: 1.5;
  display: none;
}

.alert.visible {
  display: block;
}

.alert.success {
  background: var(--success-bg);
  border-color: var(--success-border);
  color: var(--success-text);
}

.alert.error {
  background: var(--error-bg);
  border-color: var(--error-border);
  color: var(--error-text);
}

/* ── Footer ──────────────────────────────────────────────────────────────── */
.site-footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 28px 24px;
  margin-top: auto;
  font-size: 0.85rem;
  text-align: center;
}

.site-footer .footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 0;
  margin-bottom: 16px;
}

.site-footer .footer-nav a {
  color: var(--footer-link-color);
  text-decoration: none;
  padding: 0 14px;
  border-right: 1px solid rgba(255,255,255,0.2);
  line-height: 1;
}

.site-footer .footer-nav a:last-child {
  border-right: none;
}

.site-footer .footer-nav a:hover {
  color: var(--footer-link-hover-color);
  text-decoration: underline;
}

.site-footer .copyright {
  color: var(--footer-text);
  opacity: 0.55;
  font-size: 0.8rem;
}