/**
 * EU Widerrufsbutton - Frontend Styles
 * Gemäß EU-Richtlinie (EU) 2023/2673
 */

/* CSS-Variablen */
:root {
    --eu-wb-button-bg: #dc2626;
    --eu-wb-button-text: #ffffff;
    --eu-wb-button-hover: #b91c1c;
    --eu-wb-border-radius: 6px;
    --eu-wb-transition: 0.2s ease;
    --eu-wb-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    --eu-wb-shadow-hover: 0 4px 8px rgba(0, 0, 0, 0.15);
    --eu-wb-focus-ring: 0 0 0 3px rgba(220, 38, 38, 0.3);
    --eu-wb-modal-bg: rgba(0, 0, 0, 0.6);
    --eu-wb-card-bg: #ffffff;
    --eu-wb-text-primary: #1f2937;
    --eu-wb-text-secondary: #6b7280;
    --eu-wb-border: #e5e7eb;
    --eu-wb-input-bg: #ffffff;
    --eu-wb-input-border: #d1d5db;
    --eu-wb-input-focus: #3b82f6;
    --eu-wb-success: #059669;
    --eu-wb-error: #dc2626;
}

/* ========================
   WIDERRUFSBUTTON
   ======================== */

.eu-wb-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.5;
    color: var(--eu-wb-button-text);
    background-color: var(--eu-wb-button-bg);
    border: 2px solid transparent;
    border-radius: var(--eu-wb-border-radius);
    cursor: pointer;
    text-decoration: none;
    transition: all var(--eu-wb-transition);
    box-shadow: var(--eu-wb-shadow);
    font-family: inherit;
}

.eu-wb-button:hover,
.eu-wb-button:focus {
    background-color: var(--eu-wb-button-hover);
    box-shadow: var(--eu-wb-shadow-hover);
    transform: translateY(-1px);
}

.eu-wb-button:focus {
    outline: none;
    box-shadow: var(--eu-wb-focus-ring), var(--eu-wb-shadow-hover);
}

.eu-wb-button:active {
    transform: translateY(0);
}

/* Button-Varianten */
.eu-wb-button--outline {
    background-color: transparent;
    color: var(--eu-wb-button-bg);
    border-color: var(--eu-wb-button-bg);
}

.eu-wb-button--outline:hover,
.eu-wb-button--outline:focus {
    background-color: var(--eu-wb-button-bg);
    color: var(--eu-wb-button-text);
}

.eu-wb-button--small {
    padding: 8px 16px;
    font-size: 14px;
}

.eu-wb-button--large {
    padding: 16px 32px;
    font-size: 18px;
}

/* ========================
   MODAL
   ======================== */

.eu-wb-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    background-color: var(--eu-wb-modal-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    padding: 20px;
    box-sizing: border-box;
}

.eu-wb-modal-overlay.is-active {
    opacity: 1;
    visibility: visible;
}

.eu-wb-modal {
    position: relative;
    width: 100%;
    max-width: 560px;
    max-height: calc(100vh - 40px);
    background-color: var(--eu-wb-card-bg);
    border-radius: 12px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    overflow: hidden;
    transform: scale(0.95) translateY(20px);
    transition: transform 0.3s ease;
}

.eu-wb-modal-overlay.is-active .eu-wb-modal {
    transform: scale(1) translateY(0);
}

.eu-wb-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--eu-wb-border);
    background-color: #fafafa;
}

.eu-wb-modal__title {
    margin: 0;
    font-size: 20px;
    font-weight: 700;
    color: var(--eu-wb-text-primary);
}

.eu-wb-modal__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    color: var(--eu-wb-text-secondary);
    transition: all var(--eu-wb-transition);
}

.eu-wb-modal__close:hover {
    background-color: #f3f4f6;
    color: var(--eu-wb-text-primary);
}

.eu-wb-modal__close svg {
    width: 20px;
    height: 20px;
}

.eu-wb-modal__body {
    padding: 24px;
    overflow-y: auto;
    max-height: calc(100vh - 200px);
}

.eu-wb-modal__intro {
    margin: 0 0 24px;
    padding: 16px;
    background-color: #fef3c7;
    border: 1px solid #fcd34d;
    border-radius: var(--eu-wb-border-radius);
    color: #92400e;
    font-size: 14px;
    line-height: 1.6;
}

/* ========================
   FORMULAR
   ======================== */

.eu-wb-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.eu-wb-form__group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.eu-wb-form__label {
    font-size: 14px;
    font-weight: 600;
    color: var(--eu-wb-text-primary);
}

.eu-wb-form__label--required::after {
    content: " *";
    color: var(--eu-wb-error);
}

.eu-wb-form__input,
.eu-wb-form__textarea,
.eu-wb-form__select {
    width: 100%;
    padding: 12px 14px;
    font-size: 15px;
    line-height: 1.5;
    color: var(--eu-wb-text-primary);
    background-color: var(--eu-wb-input-bg);
    border: 1px solid var(--eu-wb-input-border);
    border-radius: var(--eu-wb-border-radius);
    transition: border-color var(--eu-wb-transition), box-shadow var(--eu-wb-transition);
    font-family: inherit;
    box-sizing: border-box;
}

.eu-wb-form__input:focus,
.eu-wb-form__textarea:focus,
.eu-wb-form__select:focus {
    outline: none;
    border-color: var(--eu-wb-input-focus);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.eu-wb-form__input::placeholder,
.eu-wb-form__textarea::placeholder {
    color: #9ca3af;
}

.eu-wb-form__input.has-error,
.eu-wb-form__textarea.has-error {
    border-color: var(--eu-wb-error);
}

.eu-wb-form__textarea {
    min-height: 100px;
    resize: vertical;
}

.eu-wb-form__help {
    font-size: 12px;
    color: var(--eu-wb-text-secondary);
    margin-top: 2px;
}

.eu-wb-form__error {
    font-size: 12px;
    color: var(--eu-wb-error);
    margin-top: 2px;
}

/* Checkbox-Gruppe */
.eu-wb-form__checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.eu-wb-form__checkbox {
    width: 20px;
    height: 20px;
    margin: 0;
    cursor: pointer;
    flex-shrink: 0;
    accent-color: var(--eu-wb-button-bg);
}

.eu-wb-form__checkbox-label {
    font-size: 14px;
    line-height: 1.5;
    color: var(--eu-wb-text-primary);
    cursor: pointer;
}

/* Submit-Bereich */
.eu-wb-form__actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 8px;
    padding-top: 20px;
    border-top: 1px solid var(--eu-wb-border);
}

.eu-wb-form__submit {
    width: 100%;
    padding: 14px 24px;
    font-size: 16px;
    font-weight: 600;
    color: var(--eu-wb-button-text);
    background-color: var(--eu-wb-button-bg);
    border: none;
    border-radius: var(--eu-wb-border-radius);
    cursor: pointer;
    transition: all var(--eu-wb-transition);
}

.eu-wb-form__submit:hover:not(:disabled) {
    background-color: var(--eu-wb-button-hover);
}

.eu-wb-form__submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.eu-wb-form__cancel {
    width: 100%;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 500;
    color: var(--eu-wb-text-secondary);
    background-color: transparent;
    border: 1px solid var(--eu-wb-border);
    border-radius: var(--eu-wb-border-radius);
    cursor: pointer;
    transition: all var(--eu-wb-transition);
}

.eu-wb-form__cancel:hover {
    background-color: #f9fafb;
    color: var(--eu-wb-text-primary);
}

/* ========================
   BESTÄTIGUNGSDIALOG
   ======================== */

.eu-wb-confirm {
    text-align: center;
    padding: 20px 0;
}

.eu-wb-confirm__icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #fef3c7;
    border-radius: 50%;
    color: #d97706;
}

.eu-wb-confirm__icon svg {
    width: 32px;
    height: 32px;
}

.eu-wb-confirm__title {
    margin: 0 0 12px;
    font-size: 20px;
    font-weight: 700;
    color: var(--eu-wb-text-primary);
}

.eu-wb-confirm__message {
    margin: 0 0 24px;
    font-size: 15px;
    color: var(--eu-wb-text-secondary);
    line-height: 1.6;
}

.eu-wb-confirm__actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.eu-wb-confirm__btn {
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--eu-wb-border-radius);
    cursor: pointer;
    transition: all var(--eu-wb-transition);
}

.eu-wb-confirm__btn--primary {
    color: var(--eu-wb-button-text);
    background-color: var(--eu-wb-button-bg);
    border: none;
}

.eu-wb-confirm__btn--primary:hover {
    background-color: var(--eu-wb-button-hover);
}

.eu-wb-confirm__btn--secondary {
    color: var(--eu-wb-text-primary);
    background-color: transparent;
    border: 1px solid var(--eu-wb-border);
}

.eu-wb-confirm__btn--secondary:hover {
    background-color: #f9fafb;
}

/* ========================
   ERFOLGSMELDUNG
   ======================== */

.eu-wb-success {
    text-align: center;
    padding: 30px 20px;
}

.eu-wb-success__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #d1fae5;
    border-radius: 50%;
    color: var(--eu-wb-success);
}

.eu-wb-success__icon svg {
    width: 40px;
    height: 40px;
}

.eu-wb-success__title {
    margin: 0 0 12px;
    font-size: 22px;
    font-weight: 700;
    color: var(--eu-wb-text-primary);
}

.eu-wb-success__message {
    margin: 0 0 20px;
    font-size: 15px;
    color: var(--eu-wb-text-secondary);
    line-height: 1.6;
}

.eu-wb-success__details {
    background-color: #f9fafb;
    border: 1px solid var(--eu-wb-border);
    border-radius: var(--eu-wb-border-radius);
    padding: 16px;
    margin-bottom: 24px;
}

.eu-wb-success__detail {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    font-size: 14px;
}

.eu-wb-success__detail:not(:last-child) {
    border-bottom: 1px solid var(--eu-wb-border);
}

.eu-wb-success__detail-label {
    color: var(--eu-wb-text-secondary);
}

.eu-wb-success__detail-value {
    font-weight: 600;
    color: var(--eu-wb-text-primary);
}

.eu-wb-success__close-btn {
    padding: 12px 32px;
    font-size: 15px;
    font-weight: 600;
    color: var(--eu-wb-button-text);
    background-color: var(--eu-wb-success);
    border: none;
    border-radius: var(--eu-wb-border-radius);
    cursor: pointer;
    transition: all var(--eu-wb-transition);
}

.eu-wb-success__close-btn:hover {
    background-color: #047857;
}

/* ========================
   FEHLERMELDUNG
   ======================== */

.eu-wb-error-message {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--eu-wb-border-radius);
    color: #991b1b;
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 20px;
}

.eu-wb-error-message svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 2px;
}

/* ========================
   LOADING-ZUSTAND
   ======================== */

.eu-wb-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 40px;
}

.eu-wb-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--eu-wb-border);
    border-top-color: var(--eu-wb-button-bg);
    border-radius: 50%;
    animation: eu-wb-spin 0.8s linear infinite;
}

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

/* ========================
   STANDALONE-FORMULAR
   ======================== */

.eu-wb-standalone-form {
    max-width: 600px;
    margin: 0 auto;
    padding: 32px;
    background-color: var(--eu-wb-card-bg);
    border: 1px solid var(--eu-wb-border);
    border-radius: 12px;
    box-shadow: var(--eu-wb-shadow);
}

.eu-wb-standalone-form__title {
    margin: 0 0 8px;
    font-size: 24px;
    font-weight: 700;
    color: var(--eu-wb-text-primary);
}

.eu-wb-standalone-form__intro {
    margin: 0 0 24px;
    font-size: 15px;
    color: var(--eu-wb-text-secondary);
    line-height: 1.6;
}

/* ========================
   RESPONSIVE
   ======================== */

@media (max-width: 640px) {
    .eu-wb-modal-overlay {
        padding: 0;
        align-items: flex-end;
    }

    .eu-wb-modal {
        max-width: 100%;
        max-height: 90vh;
        border-radius: 16px 16px 0 0;
    }

    .eu-wb-modal__body {
        max-height: calc(90vh - 160px);
    }

    .eu-wb-confirm__actions {
        flex-direction: column;
    }

    .eu-wb-standalone-form {
        padding: 20px;
        margin: 0 16px;
    }
}

/* ========================
   DRUCKSTILE
   ======================== */

@media print {
    .eu-wb-modal-overlay {
        display: none;
    }

    .eu-wb-button {
        display: none;
    }
}

/* ========================
   BARRIEREFREIHEIT
   ======================== */

@media (prefers-reduced-motion: reduce) {
    .eu-wb-button,
    .eu-wb-modal,
    .eu-wb-modal-overlay,
    .eu-wb-form__input,
    .eu-wb-form__textarea {
        transition: none;
    }

    .eu-wb-spinner {
        animation: none;
    }
}

/* High Contrast Modus */
@media (prefers-contrast: high) {
    .eu-wb-button {
        border: 2px solid currentColor;
    }

    .eu-wb-form__input,
    .eu-wb-form__textarea {
        border-width: 2px;
    }
}

/* Widerrufslink (Footer) */
.eu-wb-link.eu-wb-button {
    margin: 16px 0;
    display: inline-block;
    text-decoration: none;
}

/* Bestätigungs-Vorschau */
.eu-wb-confirm__summary {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0 24px;
    font-size: 14px;
}

.eu-wb-confirm__summary th,
.eu-wb-confirm__summary td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--eu-wb-border);
}

.eu-wb-confirm__summary th {
    font-weight: 600;
    color: var(--eu-wb-text-secondary);
    width: 40%;
}

.eu-wb-confirm__summary td {
    color: var(--eu-wb-text-primary);
}

/* Honeypot */
.eu-wb-form__hp {
    position: absolute;
    left: -9999px;
    top: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
}

/* Dark Mode Support (optional) */
@media (prefers-color-scheme: dark) {
    .eu-wb-modal,
    .eu-wb-standalone-form {
        /* Auskommentiert - nur aktivieren wenn Dark Mode gewünscht */
        /* background-color: #1f2937;
        color: #f9fafb; */
    }
}