/* ══════════════════════════════════════════
   Spendenkampagne – Frontend Formular
   Akzentfarbe: Gold #C9A84C / #8B6914
   ══════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@600;700&family=Source+Sans+3:wght@400;500;600&display=swap');

/* ── Wrapper ── */
.sk-form-wrap {
    --gold:        #C9A84C;
    --gold-dark:   #8B6914;
    --gold-light:  #f5ead0;
    --gold-pale:   #fffbf4;
    --text:        #1a1a1a;
    --text-soft:   #555;
    --border:      #e8d9b0;
    --radius:      14px;
    --shadow:      0 4px 24px rgba(139,105,20,.10);

    font-family: 'Source Sans 3', sans-serif;
    color: var(--text);
    max-width: 760px;
    margin: 0 auto;
    padding: 0 16px 48px;
    box-sizing: border-box;
}

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

/* ── Hero ── */
.sk-form-hero {
    text-align: center;
    padding: 48px 24px 36px;
    background: linear-gradient(160deg, #fffdf6 0%, #fff8e6 100%);
    border-radius: var(--radius) var(--radius) 0 0;
    border: 1px solid var(--border);
    border-bottom: none;
    margin-bottom: 0;
}
.sk-form-hero-icon { font-size: 48px; margin-bottom: 12px; }
.sk-form-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: clamp(28px, 5vw, 42px);
    color: var(--gold-dark);
    margin: 0 0 10px;
    line-height: 1.15;
}
.sk-form-subtitle { font-size: 17px; color: var(--text-soft); margin: 0; max-width: 480px; margin: 0 auto; line-height: 1.6; }

/* ── Fieldsets ── */
.sk-fieldset {
    border: 1px solid var(--border);
    border-top: none;
    padding: 32px 28px;
    margin: 0;
    background: #fff;
}
.sk-fieldset:last-of-type {
    border-radius: 0 0 var(--radius) var(--radius);
}
.sk-fieldset + .sk-fieldset { border-top: none; }

.sk-legend {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 19px;
    color: var(--gold-dark);
    font-weight: 600;
    padding: 0;
    margin-bottom: 24px;
    display: block;
    width: 100%;
    float: left;
}
.sk-legend-hint {
    font-family: 'Source Sans 3', sans-serif;
    font-size: 13px;
    font-weight: 400;
    color: var(--text-soft);
    margin-left: 8px;
    background: var(--gold-light);
    padding: 2px 10px;
    border-radius: 20px;
}

/* ── Fields ── */
.sk-field { margin-bottom: 20px; }
.sk-field:last-child { margin-bottom: 0; }

.sk-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
    letter-spacing: .2px;
}
.sk-req { color: var(--gold-dark); }
.sk-field-hint { font-size: 13px; color: var(--text-soft); margin: 0 0 10px; line-height: 1.55; }

.sk-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
@media (max-width: 520px) { .sk-row-2 { grid-template-columns: 1fr; } }

.sk-field-plz { max-width: 200px; }

/* ── Inputs ── */
.sk-input,
.sk-select {
    width: 100%;
    font-family: 'Source Sans 3', sans-serif;
    font-size: 16px;
    color: var(--text);
    background: #fff;
    border: 2px solid var(--border);
    border-radius: 10px;
    padding: 14px 18px;
    outline: none;
    transition: border-color .2s, box-shadow .2s;
    appearance: none;
    -webkit-appearance: none;
}
.sk-input::placeholder { color: #bbb; }
.sk-input:focus,
.sk-select:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 4px rgba(201,168,76,.18);
}
.sk-input.sk-error,
.sk-select.sk-error { border-color: #e05252; box-shadow: 0 0 0 4px rgba(224,82,82,.12); }

.sk-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath fill='%238B6914' d='M8 11L2 5h12z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 48px;
    cursor: pointer;
}

/* ── Anrede Radios ── */
.sk-radio-group { display: flex; gap: 12px; flex-wrap: wrap; }
.sk-radio-label { cursor: pointer; }
.sk-radio-label input[type="radio"] { position: absolute; opacity: 0; width: 0; height: 0; }
.sk-radio-btn {
    display: inline-block;
    padding: 11px 24px;
    border: 2px solid var(--border);
    border-radius: 10px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-soft);
    background: #fff;
    transition: all .2s;
    cursor: pointer;
    user-select: none;
}
.sk-radio-label input[type="radio"]:checked + .sk-radio-btn {
    border-color: var(--gold);
    background: var(--gold-light);
    color: var(--gold-dark);
    font-weight: 700;
    box-shadow: 0 0 0 3px rgba(201,168,76,.18);
}
.sk-radio-label:hover .sk-radio-btn { border-color: var(--gold); }

/* ── Betrag ── */
.sk-betrag-presets { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 14px; }

.sk-preset {
    padding: 14px 28px;
    border: 2px solid var(--border);
    background: #fff;
    border-radius: 10px;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-soft);
    cursor: pointer;
    transition: all .18s;
    font-family: 'Playfair Display', Georgia, serif;
    letter-spacing: .3px;
    flex: 1 1 0;
    min-width: 100px;
    text-align: center;
}
.sk-preset:hover,
.sk-preset.sk-preset-active {
    border-color: var(--gold);
    background: var(--gold-light);
    color: var(--gold-dark);
}
/* Highlight-Variante: 2000 € bekommt Gold-Hintergrund als Eyecatcher */
.sk-preset-highlight {
    background: linear-gradient(135deg, #C9A84C 0%, #8B6914 100%);
    border-color: #8B6914;
    color: #fff;
    box-shadow: 0 4px 14px rgba(139,105,20,.30);
}
.sk-preset-highlight:hover,
.sk-preset-highlight.sk-preset-active {
    background: linear-gradient(135deg, #dbb85a 0%, #9e7618 100%);
    color: #fff;
    border-color: #6b5010;
    box-shadow: 0 6px 20px rgba(139,105,20,.45);
}
.sk-betrag-input-wrap { position: relative; }
.sk-currency-symbol {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 18px;
    font-weight: 700;
    color: var(--gold);
    pointer-events: none;
}
.sk-betrag-input { padding-left: 42px !important; font-size: 22px !important; font-weight: 700; }

/* ── Bezahlmethode ── */
.sk-payment-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}
@media (min-width: 540px) { .sk-payment-grid { grid-template-columns: repeat(4, 1fr); } }

.sk-payment-option { cursor: pointer; }
.sk-payment-option input[type="radio"] { position: absolute; opacity: 0; width: 0; height: 0; }
.sk-payment-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 12px;
    border: 2px solid var(--border);
    border-radius: 12px;
    background: #fff;
    transition: all .2s;
    cursor: pointer;
    text-align: center;
}
.sk-payment-option input[type="radio"]:checked + .sk-payment-card {
    border-color: var(--gold);
    background: var(--gold-light);
    box-shadow: 0 0 0 3px rgba(201,168,76,.18);
}
.sk-payment-option:hover .sk-payment-card { border-color: var(--gold); }
.sk-pay-icon { font-size: 26px; }
.sk-pay-label { font-size: 13px; font-weight: 600; color: var(--text-soft); line-height: 1.2; }
.sk-payment-option input[type="radio"]:checked + .sk-payment-card .sk-pay-label { color: var(--gold-dark); }

/* ── Info box ── */
.sk-info-box {
    background: var(--gold-pale);
    border: 1px solid var(--gold-light);
    border-left: 4px solid var(--gold);
    border-radius: 8px;
    padding: 16px 20px;
    margin-top: 16px;
    font-size: 15px;
    color: var(--text-soft);
    line-height: 1.65;
}
.sk-info-box strong { color: var(--gold-dark); }

/* ── Lastschrift ── */
.sk-lastschrift-block {
    margin-top: 16px;
    background: var(--gold-pale);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px 20px 10px;
}
.sk-iban-input { letter-spacing: .08em; font-family: monospace, sans-serif; font-size: 17px !important; }
.sk-iban-status { display: block; font-size: 13px; margin-top: 4px; min-height: 18px; transition: color .2s; }
.sk-iban-ok   { color: #1a8a3c; }
.sk-iban-fail { color: #c0392b; }

.sk-sepa-hinweis {
    font-size: 12px;
    color: #888;
    border-top: 1px solid var(--border);
    padding-top: 12px;
    margin-top: 16px;
    line-height: 1.55;
}

/* ── Consent ── */
.sk-fieldset-consent { background: var(--gold-pale); }

.sk-field-checkbox { display: flex; align-items: flex-start; gap: 0; }
.sk-checkbox-label { display: flex; align-items: flex-start; gap: 14px; cursor: pointer; }
.sk-checkbox-label input[type="checkbox"] { position: absolute; opacity: 0; width: 0; height: 0; }
.sk-checkmark {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    border: 2px solid var(--border);
    border-radius: 6px;
    background: #fff;
    margin-top: 2px;
    transition: all .18s;
    position: relative;
}
.sk-checkbox-label input[type="checkbox"]:checked + .sk-checkmark {
    background: var(--gold);
    border-color: var(--gold);
}
.sk-checkbox-label input[type="checkbox"]:checked + .sk-checkmark::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 2px;
    width: 7px;
    height: 12px;
    border: 2px solid #fff;
    border-top: none;
    border-left: none;
    transform: rotate(45deg);
}
.sk-checkbox-text { font-size: 14px; color: var(--text-soft); line-height: 1.55; padding-top: 2px; }
.sk-link { color: var(--gold-dark); text-decoration: underline; }

/* ── Submit ── */
.sk-submit-area { margin-top: 28px; text-align: center; }
.sk-submit-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, #C9A84C 0%, #8B6914 100%);
    color: #fff;
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 20px;
    font-weight: 700;
    padding: 18px 48px;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    letter-spacing: .3px;
    transition: transform .18s, box-shadow .18s, opacity .18s;
    box-shadow: 0 4px 18px rgba(139,105,20,.35);
    min-width: 260px;
    justify-content: center;
}
.sk-submit-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(139,105,20,.45); }
.sk-submit-btn:active { transform: translateY(0); }
.sk-submit-btn:disabled { opacity: .6; cursor: not-allowed; transform: none; }
.sk-btn-icon { font-size: 22px; transition: transform .2s; }
.sk-submit-btn:hover .sk-btn-icon { transform: translateX(4px); }

.sk-submit-hint { font-size: 12px; color: #aaa; margin-top: 12px; }

/* ── Success ── */
.sk-success-message {
    background: #eafaf1;
    border: 1.5px solid #a3e4b8;
    border-radius: 12px;
    padding: 24px 28px;
    margin-bottom: 20px;
    text-align: center;
    font-size: 17px;
    color: #1a5e35;
    line-height: 1.6;
}

/* ── Ratenzahlung ── */
.sk-raten-toggle-label {
    background: var(--gold-pale);
    border: 1.5px solid var(--border);
    border-radius: 10px;
    padding: 14px 16px;
    margin-bottom: 0;
    transition: border-color .2s;
}
.sk-raten-toggle-label:has(input:checked) {
    border-color: var(--gold);
    background: var(--gold-light);
}
.sk-raten-hint { margin: 16px 0 10px; }

.sk-raten-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 12px;
    margin-top: 4px;
}
@media (min-width: 480px) { .sk-raten-grid { grid-template-columns: repeat(5, 1fr); } }

.sk-raten-option { cursor: pointer; }
.sk-raten-option input[type="radio"] { position: absolute; opacity: 0; width: 0; height: 0; }
.sk-raten-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 12px 6px;
    border: 2px solid var(--border);
    border-radius: 10px;
    background: #fff;
    transition: all .2s;
    cursor: pointer;
    text-align: center;
}
.sk-raten-option input[type="radio"]:checked + .sk-raten-card {
    border-color: var(--gold);
    background: var(--gold-light);
    box-shadow: 0 0 0 3px rgba(201,168,76,.18);
}
.sk-raten-option:hover .sk-raten-card { border-color: var(--gold); }
.sk-raten-zahl { font-size: 18px; font-weight: 700; color: var(--gold-dark); }
.sk-raten-sub  { font-size: 11px; color: var(--text-soft); font-weight: 500; }
.sk-raten-option input[type="radio"]:checked + .sk-raten-card .sk-raten-sub { color: var(--gold-dark); }

.sk-raten-info {
    background: #fffbf0;
    border: 1.5px solid var(--gold);
    border-radius: 10px;
    padding: 14px 18px;
    font-size: 15px;
    color: var(--gold-dark);
    font-weight: 600;
    text-align: center;
    margin-top: 4px;
}
.sk-raten-info .sk-raten-rate { font-size: 22px; display: block; margin-top: 2px; }

/* ── Loading spinner ── */
@keyframes sk-spin { to { transform: rotate(360deg); } }
.sk-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: sk-spin .8s linear infinite;
}