/* ============================================================
   FORMS – Formular-Styles
   ============================================================ */

.form {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5);
}

@media (max-width: 640px) {
    .form-row { grid-template-columns: 1fr; }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text);
}

.form-required {
    color: var(--color-error);
    margin-left: 2px;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
input[type="number"],
input[type="password"],
select,
textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-surface);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    appearance: none;
    -webkit-appearance: none;
    line-height: 1.5;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.12);
}

input.error,
select.error,
textarea.error {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.10);
}

input::placeholder,
textarea::placeholder {
    color: var(--color-text-muted);
    font-size: var(--text-sm);
}

textarea {
    min-height: 140px;
    resize: vertical;
}

select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 16 16'%3E%3Cpath stroke='%236B7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-4) center;
    background-size: 16px;
    padding-right: var(--space-10);
    cursor: pointer;
}

.field-error {
    font-size: var(--text-xs);
    color: var(--color-error);
    margin-top: 2px;
}

.field-hint {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

/* Honeypot */
.form-honeypot {
    position: absolute;
    left: -9999px;
    height: 0;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    tab-index: -1;
}

/* Checkbox / Radio */
.form-check {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    cursor: pointer;
    user-select: none;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    width: 20px;
    height: 20px;
    min-width: 20px;
    border: 2px solid var(--color-border);
    border-radius: 4px;
    background: var(--color-surface);
    cursor: pointer;
    appearance: none;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    margin-top: 2px;
}

.form-check input[type="radio"] {
    border-radius: 50%;
}

.form-check input[type="checkbox"]:checked,
.form-check input[type="radio"]:checked {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.form-check input[type="checkbox"]:checked::after {
    content: '✓';
    color: #fff;
    font-size: 13px;
    font-weight: bold;
}

.form-check input[type="radio"]:checked::after {
    content: '';
    width: 8px;
    height: 8px;
    background: #fff;
    border-radius: 50%;
    display: block;
    margin: auto;
}

.form-check label {
    font-weight: 400;
    color: var(--color-text-light);
    font-size: var(--text-sm);
    cursor: pointer;
}

.form-check label a {
    color: var(--color-primary);
    text-decoration: underline;
}

/* ---- Großes Kontaktformular ---- */
.contact-form-wrapper {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: var(--space-12);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border-light);
}

@media (max-width: 768px) {
    .contact-form-wrapper {
        padding: var(--space-7);
        border-radius: var(--radius-lg);
    }
}

.contact-form-wrapper .form-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--space-2);
}

.contact-form-wrapper .form-subtitle {
    color: var(--color-text-muted);
    font-size: var(--text-sm);
    margin-bottom: var(--space-8);
}

/* Submit Button Loading State */
.btn--loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn--loading::after {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    margin-left: var(--space-2);
}

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

/* ---- AJAX Success State ---- */
.form-success {
    text-align: center;
    padding: var(--space-12) var(--space-8);
}

.form-success__icon {
    width: 80px;
    height: 80px;
    background: var(--color-success-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-6);
    font-size: 2rem;
}

.form-success__title {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-success);
    margin-bottom: var(--space-3);
}

.form-success__text {
    color: var(--color-text-light);
    max-width: 440px;
    margin-inline: auto;
}