/* ============================================
   FE CREDIT UNIFIED DESIGN SYSTEM
   Mobile-First Responsive CSS
   Version: 1.0.0
   ============================================ */

/* ============================================
   CSS VARIABLES - MOBILE FIRST
   ============================================ */
:root {
    /* FE Credit Brand Colors */
    --fecredit-primary: #00994F;
    --fecredit-primary-light: #9FE870;
    --fecredit-primary-dark: #015C2E;
    --fecredit-secondary: #f5f6f5;
    --fecredit-white: #FFFFFF;
    --fecredit-black: #000000;
    
    /* Semantic Colors */
    --fecredit-success: #28a745;
    --fecredit-error: #e53e3e;
    --fecredit-warning: #ffc107;
    --fecredit-info: #17a2b8;
    
    /* Background Colors */
    --fecredit-bg-primary: #FFFFFF;
    --fecredit-bg-secondary: #f5f6f5;
    --fecredit-bg-tertiary: #ECECEC;
    
    /* Text Colors - WCAG AA Compliant */
    --fecredit-text-primary: #292929;      /* Contrast ratio: 15.34:1 */
    --fecredit-text-secondary: #666666;    /* Contrast ratio: 5.74:1 */
    --fecredit-text-tertiary: #999999;     /* Contrast ratio: 2.85:1 */
    
    /* Border Colors */
    --fecredit-border: #ECECEC;
    --fecredit-border-light: #F5F5F5;
    --fecredit-border-dark: #CCCCCC;
    
    /* Spacing System (4px base) */
    --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;
    --fecredit-space-10: 40px;
    --fecredit-space-12: 48px;
    
    /* 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);
    --fecredit-shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    
    /* Font Sizes - Mobile First */
    --fecredit-font-size-xs: 12px;
    --fecredit-font-size-sm: 14px;
    --fecredit-font-size-base: 16px;  /* Minimum for inputs to prevent iOS zoom */
    --fecredit-font-size-lg: 18px;
    --fecredit-font-size-xl: 20px;
    --fecredit-font-size-2xl: 24px;
    --fecredit-font-size-3xl: 28px;
    --fecredit-font-size-4xl: 32px;
    
    /* Font Weights */
    --fecredit-font-weight-normal: 400;
    --fecredit-font-weight-medium: 500;
    --fecredit-font-weight-semibold: 600;
    --fecredit-font-weight-bold: 700;
    
    /* Font Families */
    --fecredit-font-family-primary: 'Be Vietnam Pro', 'Roboto', sans-serif;
    --fecredit-font-family-secondary: 'Roboto', sans-serif;
    
    /* Touch Targets - WCAG Guidelines */
    --fecredit-touch-target: 48px;
    --fecredit-touch-target-sm: 44px;
    
    /* Transitions */
    --fecredit-transition-base: 0.2s ease-in-out;
    --fecredit-transition-fast: 0.1s ease-in-out;
    --fecredit-transition-slow: 0.3s ease-in-out;
    
    /* Z-Index Scale */
    --fecredit-z-dropdown: 1000;
    --fecredit-z-sticky: 1020;
    --fecredit-z-fixed: 1030;
    --fecredit-z-modal-backdrop: 1040;
    --fecredit-z-modal: 1050;
    --fecredit-z-popover: 1060;
    --fecredit-z-tooltip: 1070;
}

/* ============================================
   GLOBAL RESETS - FIX OVERFLOW
   ============================================ */
* {
    box-sizing: border-box;
    max-width: 100%;
}

html, body {
    overflow-x: hidden !important;
    max-width: 100vw !important;
    width: 100% !important;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--fecredit-font-family-primary);
    font-size: var(--fecredit-font-size-base);
    line-height: 1.6;
    color: var(--fecredit-text-primary);
    background-color: var(--fecredit-bg-secondary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Remove default margins/padding that can cause overflow */
img, video, canvas, iframe {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ============================================
   RESPONSIVE BANNER HERO - FIX OVERFLOW
   ============================================ */
.banner-hero,
.hero-banner,
[class*="banner"],
[class*="hero"] {
    width: 100% !important;
    max-width: 100vw !important;
    overflow: hidden;
    position: relative;
}

.banner-hero img,
.hero-banner img,
[class*="banner"] img,
[class*="hero"] img {
    width: 100%;
    max-width: 100%;
    height: auto;
    object-fit: cover;
}

/* ============================================
   MOBILE-FIRST FORM CONTROLS
   ============================================ */
.form-control,
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="password"],
input[type="date"],
select,
textarea {
    font-size: 16px !important;  /* Prevent iOS zoom */
    min-height: var(--fecredit-touch-target);
    padding: 14px 16px;
    border: 1px solid var(--fecredit-border);
    border-radius: var(--fecredit-radius-md);
    width: 100%;
    transition: all var(--fecredit-transition-base);
    background-color: var(--fecredit-white);
    color: var(--fecredit-text-primary);
}

.form-control:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 3px solid var(--fecredit-primary);
    outline-offset: 2px;
    border-color: var(--fecredit-primary);
}

/* Form Labels */
.form-label,
label {
    display: block;
    margin-bottom: var(--fecredit-space-2);
    font-size: var(--fecredit-font-size-sm);
    font-weight: var(--fecredit-font-weight-medium);
    color: var(--fecredit-text-primary);
}

/* Required Fields Indicator */
.form-label.required::after,
label.required::after {
    content: " *";
    color: var(--fecredit-error);
}

/* ============================================
   TOUCH-FRIENDLY BUTTONS
   ============================================ */
.btn,
button,
[role="button"],
.button {
    min-height: var(--fecredit-touch-target);
    padding: 12px 24px;
    font-size: var(--fecredit-font-size-base);
    font-weight: var(--fecredit-font-weight-medium);
    border: none;
    border-radius: var(--fecredit-radius-md);
    cursor: pointer;
    transition: all var(--fecredit-transition-base);
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--fecredit-space-2);
    text-decoration: none;
}

.btn-primary,
.button-primary {
    background: linear-gradient(135deg, var(--fecredit-primary), var(--fecredit-primary-light));
    color: var(--fecredit-white);
}

.btn-primary:hover,
.button-primary:hover {
    background: var(--fecredit-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--fecredit-shadow-lg);
}

.btn-secondary,
.button-secondary {
    background: var(--fecredit-white);
    color: var(--fecredit-primary);
    border: 2px solid var(--fecredit-primary);
}

.btn-secondary:hover,
.button-secondary:hover {
    background: var(--fecredit-primary);
    color: var(--fecredit-white);
}

/* ============================================
   RESPONSIVE CANVAS - FIX OVERFLOW
   ============================================ */
canvas {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block;
}

.canvas-container {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    position: relative;
}

/* ============================================
   RESPONSIVE TABLES
   ============================================ */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: var(--fecredit-space-3);
    text-align: left;
    border-bottom: 1px solid var(--fecredit-border);
    font-size: var(--fecredit-font-size-sm);
}

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

/* ============================================
   LOADING INDICATORS
   ============================================ */
.loading-spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid var(--fecredit-border);
    border-top-color: var(--fecredit-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--fecredit-z-modal);
}

/* ============================================
   ERROR MESSAGES
   ============================================ */
.error-message {
    color: var(--fecredit-error);
    font-size: var(--fecredit-font-size-sm);
    margin-top: var(--fecredit-space-2);
    display: flex;
    align-items: center;
    gap: var(--fecredit-space-2);
}

.error-message::before {
    content: "⚠";
    font-size: var(--fecredit-font-size-lg);
}

.success-message {
    color: var(--fecredit-success);
    font-size: var(--fecredit-font-size-sm);
    margin-top: var(--fecredit-space-2);
    display: flex;
    align-items: center;
    gap: var(--fecredit-space-2);
}

.success-message::before {
    content: "✓";
    font-size: var(--fecredit-font-size-lg);
}

/* ============================================
   FOCUS STATES - ACCESSIBILITY
   ============================================ */
*:focus {
    outline: 3px solid var(--fecredit-primary);
    outline-offset: 2px;
}

*:focus:not(:focus-visible) {
    outline: none;
}

*:focus-visible {
    outline: 3px solid var(--fecredit-primary);
    outline-offset: 2px;
}

/* ============================================
   RESPONSIVE BREAKPOINTS
   ============================================ */

/* Mobile First - Base styles are for mobile */

/* Small devices (landscape phones, 576px and up) */
@media (min-width: 576px) {
    .container {
        max-width: 540px;
    }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) {
    .container {
        max-width: 720px;
    }
    
    .form-section {
        padding: var(--fecredit-space-8);
    }
}

/* Large devices (desktops, 992px and up) */
@media (min-width: 992px) {
    .container {
        max-width: 960px;
    }
}

/* Extra large devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
}

/* ============================================
   MOBILE SPECIFIC FIXES (max-width: 767px)
   ============================================ */
@media (max-width: 767px) {
    /* Form Sections - Reduced Padding */
    .form-section {
        padding: var(--fecredit-space-4) !important;
        margin-bottom: var(--fecredit-space-4);
    }
    
    /* Full Width Buttons */
    .btn-primary,
    .btn-secondary,
    .button-primary,
    .button-secondary,
    button[type="submit"],
    button[type="button"] {
        width: 100%;
        min-height: var(--fecredit-touch-target);
    }
    
    /* Stack Form Groups */
    .form-group {
        margin-bottom: var(--fecredit-space-4);
    }
    
    /* Headings - Responsive Sizing */
    h1 { font-size: var(--fecredit-font-size-2xl); }
    h2 { font-size: var(--fecredit-font-size-xl); }
    h3 { font-size: var(--fecredit-font-size-lg); }
    h4 { font-size: var(--fecredit-font-size-base); }
    h5 { font-size: var(--fecredit-font-size-sm); }
    h6 { font-size: var(--fecredit-font-size-xs); }
    
    /* Tables - Horizontal Scroll */
    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
    
    /* Hide elements on mobile */
    .hide-mobile {
        display: none !important;
    }
    
    /* Stack columns on mobile */
    .row {
        flex-direction: column;
    }
    
    .col, [class*="col-"] {
        width: 100%;
        flex: 0 0 100%;
        max-width: 100%;
    }
}

/* ============================================
   CONTAINER & GRID
   ============================================ */
.container {
    width: 100%;
    padding-right: var(--fecredit-space-4);
    padding-left: var(--fecredit-space-4);
    margin-right: auto;
    margin-left: auto;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin-right: calc(var(--fecredit-space-4) * -0.5);
    margin-left: calc(var(--fecredit-space-4) * -0.5);
}

.col {
    flex: 1 0 0%;
    padding-right: calc(var(--fecredit-space-4) * 0.5);
    padding-left: calc(var(--fecredit-space-4) * 0.5);
}

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

/* Text Alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Display */
.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-inline-flex { display: inline-flex; }

/* Flex */
.flex-column { flex-direction: column; }
.flex-row { flex-direction: row; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }
.gap-2 { gap: var(--fecredit-space-2); }
.gap-4 { gap: var(--fecredit-space-4); }

/* Spacing */
.mt-2 { margin-top: var(--fecredit-space-2); }
.mt-4 { margin-top: var(--fecredit-space-4); }
.mb-2 { margin-bottom: var(--fecredit-space-2); }
.mb-4 { margin-bottom: var(--fecredit-space-4); }
.p-4 { padding: var(--fecredit-space-4); }

/* Width */
.w-100 { width: 100%; }
.w-auto { width: auto; }

/* ============================================
   SAFE AREA INSETS (for iOS notch support)
   ============================================ */
@supports (padding: env(safe-area-inset-top)) {
    body {
        padding-top: env(safe-area-inset-top);
        padding-right: env(safe-area-inset-right);
        padding-bottom: env(safe-area-inset-bottom);
        padding-left: env(safe-area-inset-left);
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    * {
        background: transparent !important;
        color: black !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }
    
    a, a:visited {
        text-decoration: underline;
    }
    
    img {
        max-width: 100% !important;
    }
}