/* ============================================================
   Ma'Box Modern Styles - Clean & Minimal Design
   ============================================================ */

/* -- CSS Variables -- */
:root {
    --mb-primary: #434bdf;
    --mb-primary-hover: #3540c9;
    --mb-primary-light: rgba(67, 75, 223, 0.1);
    --mb-primary-ring: rgba(67, 75, 223, 0.25);
    --mb-success: #10b981;
    --mb-success-light: rgba(16, 185, 129, 0.1);
    --mb-danger: #ef4444;
    --mb-warning: #f59e0b;
    --mb-bg: #f1f5f9;
    --mb-card: #ffffff;
    --mb-text: #1e293b;
    --mb-text-muted: #64748b;
    --mb-border: #e2e8f0;
    --mb-radius: 12px;
    --mb-radius-sm: 8px;
    --mb-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
    --mb-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);
    --mb-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
    --mb-transition: all 0.2s ease;
    --mb-font: 'Work Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* -- Base Reset -- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--mb-font);
    background-color: var(--mb-bg);
    color: var(--mb-text);
    font-size: 15px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { color: var(--mb-primary); text-decoration: none; transition: var(--mb-transition); }
a:hover { color: var(--mb-primary-hover); }

/* -- Preloader -- */
#preloader {
    position: fixed;
    inset: 0;
    background-color: #fff;
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
}

#preloader [data-loader="circle-side"] {
    width: 40px;
    height: 40px;
    border: 3px solid var(--mb-border);
    border-top-color: var(--mb-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

#loader_form {
    position: fixed;
    inset: 0;
    background-color: rgba(255, 255, 255, 0.7);
    z-index: 999999;
    display: none;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(2px);
}

#loader_form [data-loader="circle-side-2"] {
    width: 40px;
    height: 40px;
    border: 3px solid var(--mb-border);
    border-top-color: var(--mb-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* -- Navbar -- */
.mb-navbar {
    background-color: var(--mb-primary);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1030;
    box-shadow: var(--mb-shadow-md);
}

.mb-navbar .navbar-brand {
    padding: 12px 20px;
    height: 60px;
    display: flex;
    align-items: center;
}

.mb-navbar .navbar-brand img {
    height: 36px;
    width: auto;
}

/* -- Welcome Card (intro banner above form) -- */
.mb-welcome-card {
    background: var(--mb-card);
    border-radius: 16px;
    padding: 32px 28px;
    margin-bottom: 28px;
    box-shadow: var(--mb-shadow-md);
    animation: welcomeCardIn 0.5s ease-out both;
    border-left: 4px solid var(--mb-wc-color, var(--mb-primary));
    text-align: center;
}

.mb-wc-logo {
    height: 56px;
    width: auto;
    margin-bottom: 16px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.mb-welcome-card .mb-wc-heading {
    font-size: 22px;
    font-weight: 700;
    color: var(--mb-wc-color, var(--mb-primary));
    margin-bottom: 10px;
    line-height: 1.3;
}

.mb-welcome-card .mb-wc-desc {
    font-size: 14px;
    color: var(--mb-text-muted);
    line-height: 1.7;
    text-align: justify;
}

@keyframes welcomeCardIn {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@media (min-width: 768px) {
    .mb-welcome-card { padding: 36px 32px; }
    .mb-welcome-card .mb-wc-heading { font-size: 26px; }
}

/* -- Main Container -- */
.mb-survey-container {
    max-width: 740px;
    margin: 0 auto;
    padding: 24px 16px 60px;
}

@media (min-width: 768px) {
    .mb-survey-container { padding: 32px 24px 80px; }
}

/* -- Page Title -- */
.mb-page-title {
    text-align: center;
    font-size: 22px;
    font-weight: 600;
    color: var(--mb-text);
    margin: 30px 0 24px;
}

@media (min-width: 768px) {
    .mb-page-title { font-size: 26px; }
}

/* -- Stepper Progress -- */
.mb-stepper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: 28px;
    padding: 0 10px;
    flex-wrap: wrap;
}

.mb-stepper-step {
    display: flex;
    align-items: center;
    gap: 0;
}

.mb-stepper-dot {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    border: 2px solid var(--mb-border);
    background: var(--mb-card);
    color: var(--mb-text-muted);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.mb-stepper-dot.active {
    border-color: var(--mb-primary);
    background: var(--mb-primary);
    color: #fff;
    box-shadow: 0 0 0 4px var(--mb-primary-ring);
}

.mb-stepper-dot.completed {
    border-color: var(--mb-success);
    background: var(--mb-success);
    color: #fff;
}

.mb-stepper-line {
    width: 24px;
    height: 2px;
    background: var(--mb-border);
    transition: background 0.3s ease;
    flex-shrink: 0;
}

.mb-stepper-line.completed {
    background: var(--mb-success);
}

@media (max-width: 576px) {
    .mb-stepper-dot { width: 26px; height: 26px; font-size: 10px; }
    .mb-stepper-line { width: 12px; }
}

/* -- Wizard Step Card -- */
.mb-step-card {
    background: var(--mb-card);
    border-radius: var(--mb-radius);
    box-shadow: var(--mb-shadow);
    padding: 32px 28px;
    margin-bottom: 20px;
    border: 1px solid var(--mb-border);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

@media (max-width: 576px) {
    .mb-step-card { padding: 24px 18px; }
}

.mb-step-card[style*="display: none"] {
    display: none !important;
}

/* -- Step Header -- */
.mb-step-header {
    margin-bottom: 24px;
}

.mb-step-badge {
    display: inline-block;
    background: var(--mb-primary-light);
    color: var(--mb-primary);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 10px;
    letter-spacing: 0.3px;
}

.mb-step-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--mb-text);
    margin: 0;
    line-height: 1.4;
}

@media (min-width: 768px) {
    .mb-step-title { font-size: 20px; }
}

/* -- Form Elements -- */
.mb-form-group {
    margin-bottom: 20px;
}

.mb-form-group:last-child {
    margin-bottom: 0;
}

.mb-form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--mb-text);
    margin-bottom: 6px;
}

.mb-form-label small {
    font-weight: 400;
    color: var(--mb-text-muted);
    display: block;
    margin-top: 2px;
    font-size: 12px;
}

.mb-form-control {
    width: 100%;
    height: 48px;
    padding: 0 16px;
    border: 1.5px solid var(--mb-border);
    border-radius: var(--mb-radius-sm);
    font-size: 15px;
    font-family: var(--mb-font);
    color: var(--mb-text);
    background: var(--mb-card);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    -webkit-appearance: none;
    appearance: none;
}

.mb-form-control:focus {
    outline: none;
    border-color: var(--mb-primary);
    box-shadow: 0 0 0 3px var(--mb-primary-ring);
}

.mb-form-control::placeholder {
    color: var(--mb-text-muted);
}

select.mb-form-control {
    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='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

textarea.mb-form-control {
    height: auto;
    min-height: 100px;
    padding: 12px 16px;
    resize: vertical;
    line-height: 1.5;
}

.mb-form-control.is-invalid {
    border-color: var(--mb-danger);
}

.mb-form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.mb-validation-message {
    color: var(--mb-danger);
    font-size: 13px;
    margin-top: 4px;
    display: block;
}

.mb-field-error-msg {
    color: var(--mb-danger);
    font-size: 12px;
    margin-top: 6px;
    display: flex;
    align-items: center;
    gap: 4px;
    animation: fadeIn 0.2s ease;
}

.mb-radio-group.mb-radio-error {
    border: 1.5px solid var(--mb-danger);
    border-radius: var(--mb-radius-sm);
    padding: 6px;
    background: rgba(239, 68, 68, 0.03);
}

.mb-rating-section.mb-rating-error {
    border-color: var(--mb-danger);
    background: rgba(239, 68, 68, 0.03);
}

/* -- Radio Button Cards -- */
.mb-radio-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.mb-radio-card {
    position: relative;
    display: flex;
    align-items: center;
    padding: 14px 18px;
    border: 1.5px solid var(--mb-border);
    border-radius: var(--mb-radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--mb-card);
    user-select: none;
}

.mb-radio-card:hover {
    border-color: var(--mb-primary);
    background: var(--mb-primary-light);
}

.mb-radio-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.mb-radio-card input[type="radio"]:checked ~ .mb-radio-indicator {
    border-color: var(--mb-primary);
    background: var(--mb-primary);
}

.mb-radio-card input[type="radio"]:checked ~ .mb-radio-indicator::after {
    opacity: 1;
}

.mb-radio-card input[type="radio"]:checked ~ .mb-radio-label {
    color: var(--mb-primary);
    font-weight: 500;
}

.mb-radio-card:has(input[type="radio"]:checked) {
    border-color: var(--mb-primary);
    background: var(--mb-primary-light);
}

.mb-radio-indicator {
    width: 22px;
    height: 22px;
    border: 2px solid var(--mb-border);
    border-radius: 50%;
    margin-right: 12px;
    flex-shrink: 0;
    position: relative;
    transition: all 0.2s ease;
}

.mb-radio-indicator::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #fff;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.mb-radio-label {
    font-size: 15px;
    color: var(--mb-text);
    transition: color 0.2s ease;
}

/* -- Checkbox Cards (multi-select) -- */
.mb-checkbox-group {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
}

@media (min-width: 576px) {
    .mb-checkbox-group {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
}

.mb-checkbox-group.mb-checkbox-required.mb-checkbox-error {
    border: 1.5px solid var(--mb-danger);
    border-radius: var(--mb-radius);
    padding: 12px;
    background: rgba(239, 68, 68, 0.03);
}

.mb-checkbox-card {
    position: relative;
    display: flex;
    align-items: center;
    padding: 16px 18px;
    border: 1.5px solid var(--mb-border);
    border-radius: var(--mb-radius-sm);
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--mb-card);
    user-select: none;
    box-shadow: var(--mb-shadow);
}

.mb-checkbox-card:hover {
    border-color: var(--mb-primary);
    background: var(--mb-primary-light);
    transform: translateY(-1px);
    box-shadow: var(--mb-shadow-md);
}

.mb-checkbox-card input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.mb-checkbox-card input[type="checkbox"]:checked ~ .mb-checkbox-indicator {
    border-color: var(--mb-primary);
    background: var(--mb-primary);
    box-shadow: inset 0 0 0 2px var(--mb-primary);
}

.mb-checkbox-card input[type="checkbox"]:checked ~ .mb-checkbox-indicator::after {
    opacity: 1;
    transform: rotate(45deg) scale(1);
}

.mb-checkbox-card input[type="checkbox"]:checked ~ .mb-checkbox-label {
    color: var(--mb-primary);
    font-weight: 600;
}

.mb-checkbox-card:has(input[type="checkbox"]:checked) {
    border-color: var(--mb-primary);
    background: var(--mb-primary-light);
    box-shadow: 0 0 0 3px var(--mb-primary-ring), var(--mb-shadow);
}

.mb-checkbox-indicator {
    width: 24px;
    height: 24px;
    border: 2px solid var(--mb-border);
    border-radius: 6px;
    margin-right: 12px;
    flex-shrink: 0;
    position: relative;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--mb-card);
}

.mb-checkbox-indicator::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 6px;
    width: 7px;
    height: 11px;
    border: solid #fff;
    border-width: 0 2.5px 2.5px 0;
    transform: rotate(45deg) scale(0);
    opacity: 0;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.mb-checkbox-label {
    font-size: 14px;
    color: var(--mb-text);
    transition: color 0.2s ease;
    line-height: 1.4;
}

.mb-checkbox-count {
    text-align: center;
    font-size: 13px;
    color: var(--mb-text-muted);
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid var(--mb-border);
}

.mb-checkbox-count strong {
    color: var(--mb-primary);
    font-weight: 600;
}

/* -- Star Rating -- */
.mb-rating-section {
    margin-bottom: 16px;
    padding: 16px;
    background: #f8fafc;
    border-radius: var(--mb-radius-sm);
    border: 1px solid var(--mb-border);
}

.mb-rating-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
}

.mb-rating-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--mb-text);
}

.mb-rating-stars {
    display: flex;
    flex-direction: row-reverse;
    gap: 4px;
    justify-content: flex-end;
}

.mb-rating-stars input[type="radio"] {
    display: none;
}

.mb-rating-stars label {
    cursor: pointer;
    font-size: 28px;
    color: #d1d5db;
    transition: color 0.15s ease, transform 0.15s ease;
    line-height: 1;
}

.mb-rating-stars label:hover,
.mb-rating-stars label:hover ~ label,
.mb-rating-stars input[type="radio"]:checked ~ label {
    color: var(--mb-warning);
    transform: scale(1.1);
}

@media (max-width: 576px) {
    .mb-rating-header { flex-direction: column; align-items: flex-start; gap: 8px; }
    .mb-rating-stars label { font-size: 24px; }
}

/* -- Toggle Switch -- */
.mb-toggle-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    background: #f8fafc;
    border: 1.5px solid var(--mb-border);
    border-radius: var(--mb-radius-sm);
    margin-top: 16px;
}

.mb-toggle {
    position: relative;
    width: 48px;
    height: 26px;
    flex-shrink: 0;
}

.mb-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.mb-toggle-slider {
    position: absolute;
    inset: 0;
    background-color: #cbd5e1;
    border-radius: 26px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.mb-toggle-slider::before {
    content: '';
    position: absolute;
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: #fff;
    border-radius: 50%;
    transition: transform 0.3s ease;
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.mb-toggle input:checked + .mb-toggle-slider {
    background-color: #f5079e;
}

.mb-toggle input:checked + .mb-toggle-slider::before {
    transform: translateX(22px);
}

.mb-toggle-label {
    font-size: 14px;
    color: var(--mb-text);
}

/* -- Navigation Buttons -- */
.mb-nav-buttons {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--mb-border);
}

.mb-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 600;
    font-family: var(--mb-font);
    border: none;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    white-space: nowrap;
}

.mb-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.mb-btn-primary {
    background: var(--mb-primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(67, 75, 223, 0.3);
}

.mb-btn-primary:hover:not(:disabled) {
    background: var(--mb-primary-hover);
    box-shadow: 0 4px 12px rgba(67, 75, 223, 0.4);
    transform: translateY(-1px);
}

.mb-btn-secondary {
    background: #f1f5f9;
    color: var(--mb-text-muted);
    border: 1.5px solid var(--mb-border);
}

.mb-btn-secondary:hover:not(:disabled) {
    background: #e2e8f0;
    color: var(--mb-text);
}

.mb-btn-submit {
    background: var(--mb-success);
    color: #fff;
    padding: 14px 40px;
    font-size: 16px;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
    width: 100%;
}

.mb-btn-submit:hover:not(:disabled) {
    background: #059669;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
    transform: translateY(-1px);
}

.mb-btn-submit.loading {
    pointer-events: none;
    opacity: 0.85;
}

.mb-btn-submit .spinner-border {
    width: 18px;
    height: 18px;
    border-width: 2px;
    margin-right: 8px;
}

/* -- Footer -- */
.mb-footer {
    position: relative;
    padding: 32px 0;
    margin-top: 0;
    border-top: none;
    background-color: var(--mb-footer-bg, var(--mb-primary));
}

.mb-footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    max-width: 740px;
    margin: 0 auto;
    padding: 0 20px;
}

.mb-footer-copyright {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.8);
}

.mb-footer-social {
    display: flex;
    gap: 12px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.mb-footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    transition: all 0.25s ease;
    font-size: 15px;
}

.mb-footer-social a:hover {
    background: #fff;
    color: var(--mb-footer-bg, var(--mb-primary));
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* -- Modal -- */
.mb-modal .modal-content {
    border: none;
    border-radius: var(--mb-radius);
    box-shadow: var(--mb-shadow-lg);
}

.mb-modal .modal-header {
    border-bottom: 1px solid var(--mb-border);
    padding: 20px 24px;
}

.mb-modal .modal-title {
    font-size: 18px;
    font-weight: 600;
}

.mb-modal .modal-body {
    padding: 24px;
    font-size: 15px;
    line-height: 1.7;
    color: var(--mb-text);
}

.mb-modal .modal-footer {
    border-top: 1px solid var(--mb-border);
    padding: 16px 24px;
}

.mb-modal .btn-close {
    font-size: 18px;
}

/* -- Success/Error Alerts -- */
.mb-alert {
    padding: 16px 20px;
    border-radius: var(--mb-radius-sm);
    margin-bottom: 16px;
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.mb-alert-success {
    background: var(--mb-success-light);
    color: #065f46;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.mb-alert-danger {
    background: rgba(239, 68, 68, 0.08);
    color: #991b1b;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* -- Character Counter -- */
.mb-char-count {
    text-align: right;
    font-size: 12px;
    color: var(--mb-text-muted);
    margin-top: 4px;
}

/* -- Hidden utility -- */
.mb-hidden { display: none; }

/* -- Intersex/Other text field -- */
.mb-text-inline {
    margin-top: 12px;
}

.mb-text-inline .mb-form-control {
    height: 42px;
}