/* 预约演示表单 — 品牌风格 */

.demo-form-shell {
    background: #ffffff;
    border: 1px solid var(--border-default, #e5e7eb);
    border-radius: 1.5rem;
    padding: 1rem 1.25rem;
}

@media (min-width: 768px) {
    .demo-form-shell {
        padding: 1.25rem 1.5rem;
    }
}

.demo-form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-primary, #111827);
    margin-bottom: 0.375rem;
}

.demo-form-input,
.demo-form-textarea {
    display: block;
    width: 100%;
    font-size: 0.9375rem;
    color: var(--text-primary, #111827);
    background: #ffffff;
    border: 1px solid var(--border-default, #e5e7eb);
    border-radius: 0.75rem;
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.demo-form-input {
    height: 3rem;
    padding: 0 1rem;
}

.demo-form-textarea {
    padding: 0.75rem 1rem;
    resize: none;
}

.demo-form-input:hover:not(:disabled),
.demo-form-textarea:hover:not(:disabled) {
    border-color: var(--border-strong, #cbd5e1);
}

.demo-form-input:focus,
.demo-form-textarea:focus {
    border-color: var(--action-primary, #c2410c);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--action-primary, #c2410c) 14%, transparent);
}

.demo-form-input:disabled,
.demo-form-textarea:disabled {
    background: var(--bg-subtle, #f9fafb);
    color: var(--text-disabled, #94a3b8);
    cursor: not-allowed;
}

.demo-form-input--error,
.demo-form-textarea--error {
    border-color: #f87171;
    box-shadow: 0 0 0 2px color-mix(in srgb, #f87171 20%, transparent);
}

.demo-form-radio {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    cursor: pointer;
    font-size: 0.9375rem;
    color: var(--text-secondary, #475569);
    transition: color 0.15s ease;
}

.demo-form-radio:hover {
    color: var(--action-primary, #c2410c);
}

.demo-form-radio input[type="radio"] {
    width: 1rem;
    height: 1rem;
    accent-color: var(--action-primary, #c2410c);
    flex-shrink: 0;
}

.demo-form-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    height: 3.25rem;
    border: none;
    border-radius: 0.75rem;
    font-size: 1rem;
    font-weight: 700;
    color: #ffffff;
    background: var(--brand-gradient, linear-gradient(135deg, #ff7a00 0%, #ff5a3d 48%, #f2356b 100%));
    box-shadow: 0 6px 20px rgba(255, 90, 61, 0.32);
    cursor: pointer;
    transition: filter 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

@media (min-width: 768px) {
    .demo-form-submit {
        height: 3.5rem;
        font-size: 1.0625rem;
    }
}

.demo-form-submit:hover:not(:disabled) {
    filter: brightness(1.04);
    box-shadow: 0 8px 24px rgba(255, 90, 61, 0.38);
}

.demo-form-submit:active:not(:disabled) {
    transform: translateY(1px);
}

.demo-form-submit:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.demo-form-choice {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border-default, #e5e7eb);
    background: #ffffff;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary, #475569);
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
    transition: border-color 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}

.demo-form-choice:hover {
    border-color: color-mix(in srgb, var(--action-primary, #c2410c) 30%, transparent);
    color: var(--action-primary, #c2410c);
}

.demo-form-choice:has(:checked) {
    border-color: color-mix(in srgb, var(--action-primary, #c2410c) 38%, transparent);
    background: var(--action-primary-soft, #fff4ec);
    color: var(--action-primary-hover, #9a3412);
}

.demo-form-choice input[type="radio"] {
    width: 1rem;
    height: 1rem;
    accent-color: var(--action-primary, #c2410c);
    flex-shrink: 0;
}