/* ==========================================================================
   RLS Widerrufsformular – Styles
   ========================================================================== */

:root {
    --rls-wf-primary: #82368c;
    --rls-wf-primary-hover: #6a2b72;
    --rls-wf-primary-light: #f6eaf7;
    --rls-wf-accent: #d9534f;
    --rls-wf-success: #2e7d32;
    --rls-wf-success-bg: #e8f5e9;
    --rls-wf-error: #c62828;
    --rls-wf-error-bg: #fce4ec;
    --rls-wf-text: #1e1e1e;
    --rls-wf-text-muted: #5a5a5a;
    --rls-wf-border: #c4c4c4;
    --rls-wf-border-focus: #82368c;
    --rls-wf-bg: #ffffff;
    --rls-wf-bg-alt: #f7f8fa;
    --rls-wf-radius: 6px;
    --rls-wf-font: inherit;
    --rls-wf-transition: 0.2s ease;
}

/* ── Container ────────────────────────────────────────────── */

.rls-widerruf {
    width: 100%;
    margin: 2rem auto;
    font-family: var(--rls-wf-font);
    color: var(--rls-wf-text);
    line-height: 1.5;
    font-size: 1rem;
    background: var(--rls-wf-bg);
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    box-sizing: border-box;
}

.rls-widerruf__title {
    text-align: center;
    margin-top: 0;
    margin-bottom: 2rem;
    color: var(--rls-wf-primary);
}

/* ── Honeypot (invisible to real users) ───────────────────── */

.rls-widerruf__hp {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
}

/* ── Fieldset & Legend ────────────────────────────────────── */

.rls-widerruf__fieldset {
    border: 1px solid var(--rls-wf-border);
    border-radius: var(--rls-wf-radius);
    padding: 1.5rem 1.5rem 1rem;
    margin: 0 0 1.5rem;
    background: var(--rls-wf-bg);
}

.rls-widerruf__legend {
    font-weight: 700;
    font-size: 1.1rem;
    padding: 0 0.5rem;
    color: var(--rls-wf-text);
}

/* ── Radio Buttons (Event selection) ──────────────────────── */

.rls-widerruf__radios {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
    margin-top: 0.75rem;
}

.rls-widerruf__radio-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    border: 2px solid var(--rls-wf-border);
    border-radius: var(--rls-wf-radius);
    cursor: pointer;
    transition: border-color var(--rls-wf-transition),
                background-color var(--rls-wf-transition),
                box-shadow var(--rls-wf-transition);
    background: var(--rls-wf-bg);
    position: relative;
}

.rls-widerruf__radio-label:hover {
    border-color: var(--rls-wf-primary);
    background: var(--rls-wf-primary-light);
}

/* Hide native radio */
.rls-widerruf__radio-input {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    border: 0;
    clip: rect(0 0 0 0);
    overflow: hidden;
    white-space: nowrap;
}

/* Custom radio circle */
.rls-widerruf__radio-custom {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    border: 2px solid var(--rls-wf-border);
    border-radius: 50%;
    margin-top: 2px;
    transition: border-color var(--rls-wf-transition),
                background-color var(--rls-wf-transition),
                box-shadow var(--rls-wf-transition);
    position: relative;
}

.rls-widerruf__radio-custom::after {
    content: "";
    display: block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--rls-wf-primary);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    transition: transform 0.15s ease;
}

/* Checked state */
.rls-widerruf__radio-input:checked + .rls-widerruf__radio-custom {
    border-color: var(--rls-wf-primary);
}

.rls-widerruf__radio-input:checked + .rls-widerruf__radio-custom::after {
    transform: translate(-50%, -50%) scale(1);
}

.rls-widerruf__radio-input:checked ~ .rls-widerruf__radio-text {
    color: var(--rls-wf-primary);
}

.rls-widerruf__radio-label:has(.rls-widerruf__radio-input:checked) {
    border-color: var(--rls-wf-primary);
    background: var(--rls-wf-primary-light);
    box-shadow: 0 0 0 1px var(--rls-wf-primary);
}

/* Focus visible */
.rls-widerruf__radio-input:focus-visible + .rls-widerruf__radio-custom {
    outline: 3px solid var(--rls-wf-primary);
    outline-offset: 2px;
}

/* Text block */
.rls-widerruf__radio-text {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    line-height: 1.4;
}

.rls-widerruf__radio-title {
    font-weight: 600;
    font-size: 1rem;
}

.rls-widerruf__radio-dates {
    font-size: 0.8rem;
    color: var(--rls-wf-text-muted);
}

.rls-widerruf__no-events {
    padding: 1rem;
    background: var(--rls-wf-bg-alt);
    border-radius: var(--rls-wf-radius);
    text-align: center;
    color: var(--rls-wf-text-muted);
}

/* ── Grid Layout (Personal fields) ───────────────────────── */

.rls-widerruf__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 0.75rem;
}

.rls-widerruf__field--full {
    grid-column: 1 / -1;
}

/* ── Labels ──────────────────────────────────────────────── */

.rls-widerruf__label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.35rem;
    color: var(--rls-wf-text);
}

.rls-widerruf__required {
    color: var(--rls-wf-accent);
    margin-left: 0.15em;
    font-weight: 700;
}

.rls-widerruf__required-note {
    font-size: 0.85rem;
    color: var(--rls-wf-text-muted);
    margin: 0 0 1.25rem;
}

/* ── Inputs & Textarea ───────────────────────────────────── */

.rls-widerruf__input,
.rls-widerruf__textarea {
    display: block;
    width: 100%;
    padding: 0.65rem 0.85rem;
    font-size: 1rem;
    font-family: var(--rls-wf-font);
    color: var(--rls-wf-text);
    background: var(--rls-wf-bg);
    border: 2px solid var(--rls-wf-border);
    border-radius: var(--rls-wf-radius);
    transition: border-color var(--rls-wf-transition),
                box-shadow var(--rls-wf-transition);
    box-sizing: border-box;
}

.rls-widerruf__input:hover,
.rls-widerruf__textarea:hover {
    border-color: #999;
}

.rls-widerruf__input:focus,
.rls-widerruf__textarea:focus {
    outline: none;
    border-color: var(--rls-wf-border-focus);
    box-shadow: 0 0 0 3px rgba(26, 77, 143, 0.18);
}

.rls-widerruf__textarea {
    resize: vertical;
    min-height: 100px;
}

/* Invalid state */
.rls-widerruf__input--invalid,
.rls-widerruf__textarea--invalid {
    border-color: var(--rls-wf-error) !important;
    box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.12) !important;
}

/* ── Error Messages ──────────────────────────────────────── */

.rls-widerruf__error {
    font-size: 0.82rem;
    color: var(--rls-wf-error);
    min-height: 0;
    overflow: hidden;
    transition: min-height 0.2s ease;
    margin-top: 0.25rem;
}

.rls-widerruf__error:empty {
    margin-top: 0;
}

/* ── Privacy Note ────────────────────────────────────────── */

.rls-widerruf__privacy {
    background: var(--rls-wf-bg-alt);
    border-left: 4px solid var(--rls-wf-primary);
    padding: 0.85rem 1rem;
    border-radius: 0 var(--rls-wf-radius) var(--rls-wf-radius) 0;
    margin-bottom: 1.5rem;
    font-size: 0.88rem;
    color: var(--rls-wf-text-muted);
}

.rls-widerruf__privacy p {
    margin: 0;
}

/* ── Submit Button ───────────────────────────────────────── */

.rls-widerruf__actions {
    text-align: left;
}

.rls-widerruf__submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.85rem 2.4rem;
    font-size: 1rem;
    font-weight: 700;
    font-family: var(--rls-wf-font);
    color: #fff;
    background: var(--rls-wf-primary);
    border: none;
    border-radius: var(--rls-wf-radius);
    cursor: pointer;
    transition: background-color var(--rls-wf-transition),
                transform 0.1s ease,
                box-shadow var(--rls-wf-transition);
    min-height: 48px; /* Touch target */
}

.rls-widerruf__submit:hover {
    background: var(--rls-wf-primary-hover);
    box-shadow: 0 2px 8px rgba(26, 77, 143, 0.25);
}

.rls-widerruf__submit:active {
    transform: translateY(1px);
}

.rls-widerruf__submit:focus-visible {
    outline: 3px solid var(--rls-wf-primary);
    outline-offset: 3px;
}

.rls-widerruf__submit:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

/* Spinner */
.rls-widerruf__spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 3px solid rgba(255, 255, 255, 0.35);
    border-top-color: #fff;
    border-radius: 50%;
    animation: rls-wf-spin 0.6s linear infinite;
}

.rls-widerruf__submit--loading .rls-widerruf__spinner {
    display: inline-block;
}

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

/* ── Global Status Message ───────────────────────────────── */

.rls-widerruf__message {
    margin-top: 1.25rem;
    padding: 0;
    border-radius: var(--rls-wf-radius);
    font-size: 0.95rem;
    font-weight: 600;
    text-align: center;
    transition: padding 0.2s ease, margin 0.2s ease;
}

.rls-widerruf__message:empty {
    display: none;
}

.rls-widerruf__message--success {
    display: block;
    background: var(--rls-wf-success-bg);
    color: var(--rls-wf-success);
    padding: 1rem 1.25rem;
    border: 1px solid var(--rls-wf-success);
}

.rls-widerruf__message--error {
    display: block;
    background: var(--rls-wf-error-bg);
    color: var(--rls-wf-error);
    padding: 1rem 1.25rem;
    border: 1px solid var(--rls-wf-error);
}

/* ── Responsive ──────────────────────────────────────────── */

@media (max-width: 600px) {
    .rls-widerruf {
        padding: 1.25rem;
    }

    .rls-widerruf__grid {
        grid-template-columns: 1fr;
    }

    .rls-widerruf__fieldset {
        padding: 1rem;
    }

    .rls-widerruf__submit {
        width: 100%;
    }
}

/* ── Form States (Loading / Success) ─────────────────────── */

.rls-widerruf__form {
    transition: opacity var(--rls-wf-transition);
}

.rls-widerruf__form--loading .rls-widerruf__fieldset,
.rls-widerruf__form--loading .rls-widerruf__required-note,
.rls-widerruf__form--loading .rls-widerruf__privacy {
    opacity: 0.6;
    pointer-events: none;
}

.rls-widerruf__form--success .rls-widerruf__fieldset,
.rls-widerruf__form--success .rls-widerruf__required-note,
.rls-widerruf__form--success .rls-widerruf__privacy,
.rls-widerruf__form--success .rls-widerruf__actions {
    display: none;
}