/**
 * WhatsForm Lite Frontend Styles
 * 
 * @package WhatsForm_Lite
 * @since 1.0.0
 */

/* Container */
.whatsform-container {
    max-width: 600px;
    margin: 0 auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

/* Form */
.whatsform-form {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

/* Fields */
.whatsform-fields {
    margin-bottom: 20px;
}

.whatsform-field {
    margin-bottom: 20px;
}

.whatsform-field:last-child {
    margin-bottom: 0;
}

.whatsform-field label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: #333;
    font-size: 14px;
}

.whatsform-required {
    color: #dc3232;
    margin-left: 2px;
}

/* Input Styles */
.whatsform-field input[type="text"],
.whatsform-field input[type="email"],
.whatsform-field input[type="tel"],
.whatsform-field input[type="number"],
.whatsform-field input[type="date"],
.whatsform-field textarea,
.whatsform-field select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 15px;
    transition: border-color 0.2s, box-shadow 0.2s;
    background: #fff;
    box-sizing: border-box;
}

.whatsform-field input:focus,
.whatsform-field textarea:focus,
.whatsform-field select:focus {
    outline: none;
    border-color: #25d366;
    box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.15);
}

.whatsform-field input::placeholder,
.whatsform-field textarea::placeholder {
    color: #999;
}

.whatsform-field textarea {
    resize: vertical;
    min-height: 100px;
}

.whatsform-field select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8.825L1.175 4 2.583 2.592 6 6.008 9.417 2.592 10.825 4z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

/* Checkbox & Radio Groups */
.whatsform-checkbox-group,
.whatsform-radio-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.whatsform-checkbox-label,
.whatsform-radio-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: normal !important;
    cursor: pointer;
    padding: 10px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    transition: border-color 0.2s, background 0.2s;
}

.whatsform-checkbox-label:hover,
.whatsform-radio-label:hover {
    border-color: #25d366;
    background: rgba(37, 211, 102, 0.05);
}

.whatsform-checkbox-label input,
.whatsform-radio-label input {
    width: 18px;
    height: 18px;
    margin: 0;
    accent-color: #25d366;
}

/* Submit Button */
.whatsform-submit {
    margin-top: 25px;
}

.whatsform-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 14px 30px;
    background-color: #25d366;
    /* Default, overridden by inline style */
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s, filter 0.2s;
}

.whatsform-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
    filter: brightness(1.1);
}

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

.whatsform-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.whatsform-button-icon {
    display: flex;
    align-items: center;
}

.whatsform-button-icon svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* Messages */
.whatsform-message {
    margin-top: 15px;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
}

.whatsform-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.whatsform-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Error State */
.whatsform-error {
    background: #fff3cd;
    color: #856404;
    padding: 15px 20px;
    border-radius: 8px;
    border: 1px solid #ffeeba;
    text-align: center;
}

/* Field Error */
.whatsform-field.has-error input,
.whatsform-field.has-error textarea,
.whatsform-field.has-error select {
    border-color: #dc3232 !important;
    background-color: #fff8f8;
}

.whatsform-field.has-error .whatsform-checkbox-label,
.whatsform-field.has-error .whatsform-radio-label {
    border-color: #dc3232;
    background-color: #fff8f8;
}

.whatsform-field .field-error {
    display: block;
    color: #dc3232;
    font-size: 13px;
    font-weight: 500;
    margin-top: 8px;
    padding: 8px 12px;
    background: #fef2f2;
    border-radius: 4px;
    border-left: 3px solid #dc3232;
}

/* Loading State */
.whatsform-form.loading .whatsform-button {
    position: relative;
    color: transparent;
}

.whatsform-form.loading .whatsform-button::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid #fff;
    border-top-color: transparent;
    border-radius: 50%;
    animation: whatsform-spin 0.8s linear infinite;
}

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

/* Responsive */
@media (max-width: 480px) {
    .whatsform-form {
        padding: 20px;
    }

    .whatsform-field input,
    .whatsform-field textarea,
    .whatsform-field select {
        padding: 10px 14px;
        font-size: 16px;
        /* Prevents zoom on iOS */
    }

    .whatsform-button {
        padding: 12px 24px;
    }
}