/* ============================================
   FE CREDIT STEP 1 STYLE GUIDE
   Extracted from step1.html - Design System
   
   NOTE: CSS Variables are now defined in unified-design-system.css
   This file contains step1-specific styles only.
   ============================================ */

/* CSS Variables for FECredit Design System - Now in unified-design-system.css */
/* These are kept for backward compatibility but will be overridden by unified-design-system.css */
:root {
    /* Colors */
    --fecredit-primary: #00994F;
    --fecredit-primary-light: #9FE870;
    --fecredit-primary-dark: #015C2E;
    --fecredit-white: #FFFFFF;
    --fecredit-black: #000000;
    --fecredit-bg-primary: #FFFFFF;
    --fecredit-text-primary: #292929;
    --fecredit-text-secondary: #666666;
    --fecredit-text-tertiary: #999999;
    --fecredit-border-light: #ECECEC;
    --fecredit-error: #e53e3e;
    
    /* Spacing */
    --fecredit-space-1: 4px;
    --fecredit-space-2: 8px;
    --fecredit-space-3: 12px;
    --fecredit-space-4: 16px;
    --fecredit-space-5: 20px;
    --fecredit-space-6: 24px;
    --fecredit-space-8: 32px;
    
    /* Border Radius */
    --fecredit-radius-sm: 4px;
    --fecredit-radius-md: 8px;
    --fecredit-radius-lg: 12px;
    --fecredit-radius-xl: 16px;
    --fecredit-radius-full: 9999px;
    
    /* Shadows */
    --fecredit-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --fecredit-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --fecredit-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    
    /* Font Sizes */
    --fecredit-font-size-xs: 12px;
    --fecredit-font-size-sm: 14px;
    --fecredit-font-size-base: 16px;
    --fecredit-font-size-lg: 18px;
    --fecredit-font-size-xl: 20px;
    --fecredit-font-size-2xl: 24px;
    
    /* Font Weights */
    --fecredit-font-weight-normal: 400;
    --fecredit-font-weight-medium: 500;
    --fecredit-font-weight-semibold: 600;
    --fecredit-font-weight-bold: 700;
    
    /* Touch Target */
    --fecredit-touch-target: 48px;
}

/* Remove all underline decorations for links */
a, a:hover, a:focus, a:active, a:visited { 
    text-decoration: none !important; 
}

/* ============================================
   CONTAINER & LAYOUT
   ============================================ */

.step1-container {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--fecredit-space-6);
}

/* ============================================
   FORM SECTIONS
   ============================================ */

.form-section {
    background: var(--fecredit-bg-primary);
    border-radius: var(--fecredit-radius-xl);
    padding: var(--fecredit-space-8);
    margin-bottom: var(--fecredit-space-6);
    box-shadow: var(--fecredit-shadow-md);
    border: 1px solid var(--fecredit-border-light);
}

.form-section-header {
    display: flex;
    align-items: center;
    gap: var(--fecredit-space-4);
    margin-bottom: var(--fecredit-space-6);
    padding-bottom: var(--fecredit-space-4);
    border-bottom: 2px solid var(--fecredit-border-light);
}

.form-section-icon {
    width: var(--fecredit-touch-target);
    height: var(--fecredit-touch-target);
    background: linear-gradient(135deg, var(--fecredit-primary), var(--fecredit-primary-light));
    border-radius: var(--fecredit-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--fecredit-white);
    font-size: var(--fecredit-font-size-xl);
    flex-shrink: 0;
}

.form-section-title {
    font-size: var(--fecredit-font-size-xl);
    font-weight: var(--fecredit-font-weight-semibold);
    color: var(--fecredit-text-primary);
    margin: 0;
}

.form-section-subtitle {
    font-size: var(--fecredit-font-size-sm);
    color: var(--fecredit-text-secondary);
    margin: var(--fecredit-space-1) 0 0 0;
}

/* ============================================
   FORM GRID & FIELDS
   ============================================ */

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

@media (min-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.form-grid-full {
    grid-column: 1 / -1;
}

.form-field {
    position: relative;
}

.form-field.has-error .form-control {
    border-color: var(--fecredit-error);
    box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.1);
}

.form-field.has-success .form-control {
    border-color: var(--fecredit-primary);
    box-shadow: 0 0 0 3px rgba(0, 153, 79, 0.1);
}

.form-field-icon {
    position: absolute;
    left: var(--fecredit-space-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--fecredit-text-tertiary);
    z-index: 2;
}

.form-field.has-icon .form-control {
    padding-left: calc(var(--fecredit-space-4) + 20px + var(--fecredit-space-2));
}

.form-field.has-icon .form-field-icon {
    color: var(--fecredit-primary);
}

.form-help-text {
    font-size: var(--fecredit-font-size-xs);
    color: var(--fecredit-text-tertiary);
    margin-top: var(--fecredit-space-1);
    line-height: 1.4;
}

/* ============================================
   FORM CONTROLS
   ============================================ */

.form-label {
    font-weight: var(--fecredit-font-weight-medium);
    color: var(--fecredit-primary-dark);
    font-size: var(--fecredit-font-size-sm);
    margin-bottom: 5px;
    display: block;
}

.form-label-span {
    color: var(--fecredit-error);
}

.form-control, .form-select {
    border-radius: var(--fecredit-radius-lg);
    border: 2px solid var(--fecredit-primary);
    padding: 12px 16px;
    font-size: 15px;
    height: 50px;
    font-family: 'Roboto', sans-serif;
    transition: all 0.3s ease;
    background: #fff;
    width: 100%;
    box-sizing: border-box;
}

.form-control:focus, .form-select:focus {
    border-color: var(--fecredit-primary);
    box-shadow: 0 0 0 4px rgba(0, 153, 79, 0.15);
    outline: none;
    transform: translateY(-1px);
}

.form-control:hover, .form-select:hover {
    border-color: var(--fecredit-primary-light);
    box-shadow: 0 2px 8px rgba(0, 153, 79, 0.08);
}

.form-control.valid, .form-select.valid {
    border-color: var(--fecredit-primary) !important;
}

.form-control:disabled, .form-control[readonly] {
    background: #e0e7ff;
}

.form-select {
    appearance: none;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-chevron-down" viewBox="0 0 16 16"><path fill-rule="evenodd" d="M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .707.708l-6 6a.5.5 0 0 1-.707 0l-6-6a.5.5 0 0 1 0-.708z"/></svg>');
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 12px;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn-primary {
    background: var(--fecredit-primary);
    border: none;
    border-radius: var(--fecredit-radius-md);
    padding: 12px 24px;
    font-weight: var(--fecredit-font-weight-semibold);
    font-size: var(--fecredit-font-size-base);
    font-family: 'Roboto', sans-serif;
    transition: all 0.3s ease;
    color: var(--fecredit-white);
    min-height: var(--fecredit-touch-target);
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--fecredit-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 153, 79, 0.3);
}

.btn-primary:disabled {
    background: var(--fecredit-border-light);
    color: #9E9E9E;
    cursor: not-allowed;
    transform: none;
}

.btn-next {
    min-width: 180px;
    position: relative;
}

.btn-next:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-next:not(:disabled) .btn-icon {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* ============================================
   STEP NAVIGATION
   ============================================ */

.step-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--fecredit-space-8);
    padding-top: var(--fecredit-space-6);
    border-top: 1px solid var(--fecredit-border-light);
}

/* ============================================
   STEP PROGRESS BAR
   ============================================ */

.steps {
    display: flex;
    justify-content: center;
    margin: 8px 0;
    gap: 6px;
    flex-wrap: nowrap;
}

.step {
    flex: 1;
    text-align: center;
    padding: 8px 6px;
    background-color: var(--fecredit-border-light);
    border-radius: var(--fecredit-radius-sm);
    font-size: 11px;
    font-weight: var(--fecredit-font-weight-medium);
    white-space: nowrap;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: all 0.3s ease;
}

.step.active {
    background-color: var(--fecredit-primary);
    color: var(--fecredit-white);
}

.step:hover {
    background-color: var(--fecredit-primary-light);
}

/* ============================================
   VALIDATION & ERRORS
   ============================================ */

.form-validation-summary {
    background: rgba(229, 62, 62, 0.1);
    border: 1px solid var(--fecredit-error);
    border-radius: var(--fecredit-radius-sm);
    padding: var(--fecredit-space-4);
    margin-bottom: var(--fecredit-space-5);
    display: none;
}

.form-validation-summary.show {
    display: block;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.validation-summary-title {
    font-size: var(--fecredit-font-size-sm);
    font-weight: var(--fecredit-font-weight-semibold);
    color: var(--fecredit-error);
    margin-bottom: var(--fecredit-space-2);
    display: flex;
    align-items: center;
    gap: var(--fecredit-space-2);
}

.validation-summary-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.validation-summary-list li {
    font-size: var(--fecredit-font-size-sm);
    color: var(--fecredit-error);
    margin-bottom: var(--fecredit-space-1);
    padding-left: var(--fecredit-space-5);
    position: relative;
}

.validation-summary-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--fecredit-error);
    font-weight: var(--fecredit-font-weight-bold);
}

.invalid-feedback {
    display: none;
    font-size: var(--fecredit-font-size-xs);
    color: var(--fecredit-error);
    margin-top: 5px;
}

.was-validated .form-control:invalid, 
.was-validated .form-select:invalid,
.form-control.is-invalid, 
.form-select.is-invalid, 
.custom-select.is-invalid .custom-select-toggle {
    border-color: var(--fecredit-error);
    box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.1);
}

.was-validated .form-control:invalid ~ .invalid-feedback,
.was-validated .form-select:invalid ~ .invalid-feedback,
.form-control.is-invalid ~ .invalid-feedback,
.form-select.is-invalid ~ .invalid-feedback,
.custom-select.is-invalid ~ .invalid-feedback {
    display: block;
}

/* ============================================
   CUSTOM SELECT
   ============================================ */

.custom-select {
    position: relative;
    width: 100%;
}

.custom-select-toggle {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--fecredit-border-light);
    border-radius: var(--fecredit-radius-md);
    background: #fff;
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: var(--fecredit-font-size-sm);
    height: 40px;
    font-family: 'Roboto', sans-serif;
    transition: all 0.3s ease;
}

.custom-select-toggle:focus {
    border-color: var(--fecredit-primary);
    box-shadow: 0 0 0 3px rgba(0, 153, 79, 0.1);
    outline: none;
}

.custom-select-toggle img {
    width: 28px;
    height: 28px;
    margin-right: 8px;
    object-fit: contain;
    vertical-align: middle;
}

.custom-select-list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: #fff;
    border: 1px solid var(--fecredit-border-light);
    border-radius: var(--fecredit-radius-md);
    max-height: 50vh;
    overflow-y: auto;
    z-index: 1001;
    box-shadow: 0 4px 12px rgba(0, 153, 79, 0.15);
}

.custom-select-list.show {
    display: block;
}

.custom-select-option {
    padding: 8px 12px;
    display: flex;
    align-items: center;
    cursor: pointer;
    max-width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.custom-select-option:hover,
.custom-select-option:focus {
    background: var(--fecredit-primary-light);
    color: var(--fecredit-primary-dark);
}

.custom-select-option img {
    width: 28px;
    height: 28px;
    margin-right: 8px;
    object-fit: contain;
    vertical-align: middle;
}

/* ============================================
   FORM GROUP & ROWS
   ============================================ */

.form-group {
    position: relative;
    margin-bottom: var(--fecredit-space-4);
}

.form-group label {
    font-weight: var(--fecredit-font-weight-medium);
    margin-bottom: var(--fecredit-space-2);
    display: block;
    color: var(--fecredit-text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    min-height: var(--fecredit-touch-target);
    padding: var(--fecredit-space-3) var(--fecredit-space-4);
    border: 2px solid var(--fecredit-border-light);
    border-radius: var(--fecredit-radius-lg);
    font-size: var(--fecredit-font-size-base);
    transition: all 0.3s ease;
    background: #fff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--fecredit-primary);
    box-shadow: 0 0 0 3px rgba(0, 153, 79, 0.1);
}

.form-group input.is-invalid,
.form-group select.is-invalid,
.form-group textarea.is-invalid {
    border-color: var(--fecredit-error);
}

.form-row {
    display: flex;
    gap: 15px;
    align-items: flex-start;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.form-row .form-group {
    flex: 1;
    min-width: 150px;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--fecredit-primary);
    color: var(--fecredit-white);
    text-align: center;
    padding: 20px 15px;
    font-size: 13px;
    margin-top: 40px;
}

.footer-links a {
    color: var(--fecredit-primary-light);
    margin: 0 8px;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--fecredit-white);
    text-decoration: underline;
}

/* ============================================
   AUTO-SAVE INDICATOR
   ============================================ */

.auto-save-indicator {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--fecredit-primary);
    color: white;
    padding: 10px 20px;
    border-radius: var(--fecredit-radius-md);
    font-size: 13px;
    font-weight: var(--fecredit-font-weight-medium);
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 153, 79, 0.3);
}

.auto-save-indicator.show {
    opacity: 1;
    transform: translateY(0);
}

.auto-save-indicator.success {
    background: var(--fecredit-primary-light);
    color: var(--fecredit-primary-dark);
}

/* ============================================
   MOBILE OPTIMIZATIONS
   ============================================ */

@media (max-width: 767px) {
    .step1-container {
        padding: 18px 20px;
        padding-left: max(18px, env(safe-area-inset-left));
        padding-right: max(18px, env(safe-area-inset-right));
    }
    
    .form-section {
        padding: 20px;
        padding-left: max(18px, env(safe-area-inset-left));
        padding-right: max(18px, env(safe-area-inset-right));
        margin-bottom: 15px;
    }
    
    .form-section-header {
        flex-direction: column;
        text-align: center;
        gap: var(--fecredit-space-3);
    }
    
    .form-control, .form-select {
        width: 100% !important;
        max-width: 100%;
        min-width: unset;
        padding: 14px 16px;
        font-size: 16px !important; /* Ngăn zoom trên iOS */
        border-radius: var(--fecredit-radius-md);
        box-sizing: border-box;
        height: auto;
        min-height: var(--fecredit-touch-target);
        line-height: 1.4;
    }
    
    .form-field-icon {
        display: none !important;
    }
    
    .form-field.has-icon .form-control {
        padding-left: 16px !important;
    }
    
    .form-grid {
        grid-template-columns: 1fr !important;
        gap: 15px;
    }
    
    .form-label {
        font-size: var(--fecredit-font-size-sm);
        font-weight: var(--fecredit-font-weight-medium);
        margin-bottom: 8px;
        display: block;
    }
    
    .invalid-feedback {
        font-size: 13px;
        margin-top: 6px;
        line-height: 1.3;
    }
    
    .step-navigation {
        flex-direction: column;
        gap: 15px;
        margin-top: 20px;
        padding-top: 15px;
    }
    
    .btn-next {
        width: 100%;
        min-width: auto;
        padding: 15px 20px;
        font-size: 16px;
        min-height: var(--fecredit-touch-target);
    }
    
    .custom-select-toggle {
        padding: 14px 16px !important;
        font-size: 16px !important;
        min-height: var(--fecredit-touch-target) !important;
    }
    
    .custom-select-list {
        max-height: 60vh;
        font-size: 16px;
    }
    
    .custom-select-option {
        padding: 12px 16px;
        font-size: 16px;
    }
    
    .steps {
        gap: 4px;
        margin: 6px 0;
    }
    
    .step {
        padding: 6px 4px;
        font-size: 10px;
    }
    
    .form-row {
        flex-direction: column;
        gap: 10px;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

* {
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background: #f5f5f5;
    color: var(--fecredit-text-primary);
}

.section-title {
    color: var(--fecredit-primary);
    font-size: var(--fecredit-font-size-lg);
    font-weight: var(--fecredit-font-weight-bold);
    margin-bottom: 15px;
    text-transform: uppercase;
    text-align: center;
}

.form-check {
    margin-top: 20px;
    text-align: center;
}

.form-check-label a {
    color: var(--fecredit-primary);
    text-decoration: none;
    font-weight: var(--fecredit-font-weight-medium);
}

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

.spinner {
    display: none;
    margin-left: 8px;
}

.success-message {
    color: #28a745;
    font-size: var(--fecredit-font-size-xs);
    margin-top: 10px;
    display: none;
    text-align: center;
}