/* ========================================
   SickleV1 Management System - Main Styles
   National Sickle Cell Disease Program - Uganda
   Official Government Health System Colors
   ======================================== */

/* ========================================
   CSS Variables / OFFICIAL UGANDA HEALTH COLORS
   ======================================== */
:root {
    /* OFFICIAL UGANDA HEALTH PROGRAM COLORS - DO NOT CHANGE */
    --primary-color: #0B6E3F;          /* Official Primary Green */
    --secondary-color: #8B1D18;        /* Official Accent Maroon */
    --accent-color: #0B6E3F;           /* Primary Green (for consistency) */
    --success-color: #0B6E3F;          /* Success = Primary Green */
    --warning-color: #d97706;          /* Warning Orange (WCAG compliant) */
    --danger-color: #8B1D18;           /* Danger = Accent Maroon */
    --info-color: #0369a1;             /* Information Blue (WCAG compliant) */
    
    /* Background Colors */
    --light-bg: #F4F6F8;               /* Official Light Background Gray */
    --lighter-bg: #FFFFFF;             /* Official White */
    --dark-bg: #0B6E3F;                /* Dark = Primary Green */
    --sidebar-bg: #FFFFFF;             /* Clean White Sidebar */
    --card-bg: #FFFFFF;                /* Official White */
    
    /* Text Colors - WCAG AAA Compliant */
    --text-primary: #000000;           /* Official Text Black */
    --text-secondary: #4b5563;         /* Readable Secondary Gray */
    --text-light: #6b7280;             /* Light Gray Text */
    --text-white: #FFFFFF;             /* Official White */
    
    /* Border & Divider Colors */
    --border-color: #e5e7eb;           /* Subtle Border */
    --border-dark: #d1d5db;            /* Visible Border */
    --divider-color: #f3f4f6;          /* Section Divider */
    
    /* Shadows - Depth Hierarchy */
    --shadow-xs: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.15);
    --shadow-xl: 0 12px 32px rgba(0,0,0,0.18);
    
    /* Spacing Scale */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-xxl: 48px;
    
    /* Typography Scale - Healthcare Readability Standards */
    --font-family-base: 'Segoe UI', 'Roboto', Arial, sans-serif;
    --font-family-heading: 'Segoe UI', 'Roboto', Arial, sans-serif;
    --font-size-xs: 0.75rem;      /* 12px */
    --font-size-sm: 0.875rem;     /* 14px - Minimum for body text */
    --font-size-base: 1rem;       /* 16px - Standard body text */
    --font-size-lg: 1.125rem;     /* 18px */
    --font-size-xl: 1.25rem;      /* 20px */
    --font-size-2xl: 1.5rem;      /* 24px */
    --font-size-3xl: 1.875rem;    /* 30px */
    --font-size-4xl: 2.25rem;     /* 36px */
    
    /* Line Heights - Optimal Readability for Health Workers */
    --line-height-tight: 1.3;
    --line-height-normal: 1.6;
    --line-height-relaxed: 1.7;
    --line-height-loose: 1.8;
    
    /* Letter Spacing */
    --letter-spacing-tight: -0.01em;
    --letter-spacing-normal: 0;
    --letter-spacing-wide: 0.025em;
    --letter-spacing-wider: 0.05em;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-base: 0.2s ease-in-out;
    --transition-slow: 0.3s ease-in-out;
    
    /* Z-Index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* ========================================
   Global Resets & Base Styles
   ======================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-base);
    background-color: var(--light-bg);
    color: var(--text-primary);
    line-height: var(--line-height-normal);
    font-size: var(--font-size-base);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Typography - Enhanced Readability */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    font-weight: 600;
    line-height: var(--line-height-tight);
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    letter-spacing: var(--letter-spacing-tight);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
    margin-bottom: var(--space-md);
    line-height: var(--line-height-relaxed);
    color: var(--text-primary);
}

a {
    text-decoration: none;
    color: var(--accent-color);
    transition: color var(--transition-base);
    cursor: pointer;
}

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

a:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Accessibility - Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ========================================
   Header Styles - Professional Healthcare Design
   ======================================== */
.site-header {
    background: var(--primary-color);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    border-bottom: 3px solid var(--secondary-color);
}

.top-bar {
    background-color: rgba(0,0,0,0.15);
    padding: var(--space-sm) 0;
    font-size: var(--font-size-sm);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.top-bar a {
    color: rgba(255,255,255,0.95);
    text-decoration: none;
    margin: 0 var(--space-md);
    transition: all var(--transition-base);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}

.top-bar a:hover {
    color: #fff;
    transform: translateY(-1px);
}

.top-bar i {
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

.top-bar .badge {
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: var(--radius-full);
    font-weight: 600;
    margin-left: var(--space-xs);
}

/* Main Navigation - Enhanced Clarity */
.main-nav {
    padding: var(--space-md) 0;
    background: transparent;
}

.main-nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-white) !important;
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-xs) 0;
    transition: transform var(--transition-base);
    letter-spacing: var(--letter-spacing-tight);
}

.navbar-brand:hover {
    transform: translateX(3px);
}

.brand-icon {
    width: 48px;
    height: 48px;
    background: var(--secondary-color);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    color: white;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.navbar-brand:hover .brand-icon {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.navbar-toggler {
    border: 2px solid rgba(255,255,255,0.3);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    background: rgba(255,255,255,0.1);
    transition: all var(--transition-base);
}

.navbar-toggler:hover {
    background: rgba(255,255,255,0.2);
    border-color: rgba(255,255,255,0.5);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Navigation Links - Clear & Accessible */
.navbar-nav {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.navbar-nav .nav-link {
    color: rgba(255,255,255,0.95) !important;
    font-weight: 500;
    font-size: var(--font-size-base);
    padding: var(--space-sm) var(--space-lg) !important;
    margin: 0 var(--space-xs);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    white-space: nowrap;
    letter-spacing: var(--letter-spacing-normal);
}

.navbar-nav .nav-link:hover {
    background-color: rgba(255,255,255,0.15);
    color: var(--text-white) !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.navbar-nav .nav-link.active {
    background-color: rgba(255,255,255,0.2);
    color: var(--text-white) !important;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    border-bottom: 3px solid var(--text-white);
}

.navbar-nav .nav-link i {
    font-size: var(--font-size-lg);
    opacity: 0.95;
}

/* LinkButton Styling (for Logout, etc.) */
.top-bar .aspNetDisabled,
.top-bar input[type="submit"],
.top-bar a[id*="btnLogout"] {
    background: transparent;
    border: none;
    color: rgba(255,255,255,0.95);
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
    font-weight: 500;
    padding: 0;
    transition: all var(--transition-base);
}

/* ========================================
   Breadcrumb Styles - Clear Navigation Path
   ======================================== */
.breadcrumb-section {
    background-color: var(--lighter-bg);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-xs);
}

.breadcrumb {
    background: transparent;
    margin: 0;
    padding: 0;
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "›";
    padding: 0 var(--space-sm);
    color: var(--text-light);
    font-size: var(--font-size-lg);
}

.breadcrumb-item a {
    color: var(--accent-color);
    font-weight: 500;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}

.breadcrumb-item a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.breadcrumb-item.active {
    color: var(--text-secondary);
    font-weight: 500;
}

.breadcrumb-item i {
    font-size: var(--font-size-sm);
}

/* ========================================
   Main Content Area - Professional Layout
   ======================================== */
.main-content {
    min-height: calc(100vh - 380px);
    padding: var(--space-xxl) 0;
    background-color: var(--light-bg);
}

.content-wrapper {
    background: var(--lighter-bg);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: box-shadow var(--transition-base);
}

.content-wrapper:hover {
    box-shadow: var(--shadow-md);
}

/* Page Headers - Clear Hierarchy */
.page-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 3px solid var(--accent-color);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    line-height: var(--line-height-tight);
    letter-spacing: var(--letter-spacing-tight);
}

.page-title i {
    color: var(--accent-color);
    font-size: var(--font-size-2xl);
}

.page-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    line-height: var(--line-height-relaxed);
    font-weight: 400;
}

/* Section Headers */
.section-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin: var(--space-xl) 0 var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--divider-color);
}

/* ========================================
   Sidebar Styles - Clean Navigation
   ======================================== */
.sidebar {
    background: var(--sidebar-bg);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--space-xl);
    border: 1px solid var(--border-color);
    position: sticky;
    top: 100px;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
}

/* Custom Scrollbar for Sidebar */
.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: var(--light-bg);
    border-radius: var(--radius-md);
}

.sidebar::-webkit-scrollbar-thumb {
    background: var(--border-dark);
    border-radius: var(--radius-md);
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--text-light);
}

.sidebar h4 {
    color: var(--primary-color);
    font-size: var(--font-size-base);
    font-weight: 700;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--accent-color);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    font-size: var(--font-size-sm);
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-menu li {
    margin-bottom: var(--space-xs);
}

.sidebar-menu a {
    color: var(--text-primary);
    text-decoration: none;
    padding: var(--space-md) var(--space-md);
    display: flex;
    align-items: center;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    font-weight: 500;
    font-size: var(--font-size-base);
    position: relative;
    gap: var(--space-md);
}

.sidebar-menu a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 60%;
    background: var(--accent-color);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    transition: width var(--transition-base);
}

.sidebar-menu a:hover {
    background-color: var(--light-bg);
    color: var(--accent-color);
    padding-left: var(--space-lg);
}

.sidebar-menu a:hover::before {
    width: 4px;
}

.sidebar-menu a i {
    font-size: var(--font-size-lg);
    min-width: 24px;
    text-align: center;
    transition: transform var(--transition-base);
}

.sidebar-menu a:hover i {
    transform: scale(1.1);
}

.sidebar-menu a.active {
    background: var(--primary-color);
    color: var(--text-white);
    font-weight: 700;
    box-shadow: var(--shadow-sm);
}

.sidebar-menu a.active::before {
    width: 4px;
    background: var(--text-white);
}

.sidebar-menu a.active i {
    color: var(--text-white);
}

/* ========================================
   Footer Styles - Professional & Clean
   ======================================== */
.site-footer {
    background: var(--primary-color);
    color: rgba(255,255,255,0.95);
    padding: var(--space-xl) 0;
    margin-top: var(--space-xxl);
    font-size: var(--font-size-sm);
    border-top: 3px solid var(--secondary-color);
    box-shadow: 0 -4px 16px rgba(0,0,0,0.1);
}

.site-footer p {
    margin: 0;
    line-height: var(--line-height-normal);
    color: rgba(255,255,255,0.9);
}

.site-footer a {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    transition: all var(--transition-base);
    font-size: var(--font-size-sm);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}

.site-footer a:hover {
    color: var(--text-white);
    transform: translateY(-2px);
}

.site-footer i {
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

/* ========================================
   Card Styles
   ======================================== */
.card-custom {
    border: none;
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    overflow: hidden;
}

.card-custom:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.card-custom .card-header {
    background: var(--primary-color);
    color: #fff;
    font-weight: 600;
    padding: 15px 20px;
    border-bottom: none;
}

.card-custom .card-body {
    padding: 20px;
}

.card-custom .card-footer {
    background-color: var(--light-bg);
    border-top: 1px solid var(--border-color);
    padding: 15px 20px;
}

.stat-card {
    text-align: center;
    padding: 25px;
    border-radius: 10px;
    background: #fff;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-speed);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.stat-card .stat-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-card .stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ========================================
   Button Styles
   ======================================== */
.btn-custom {
    padding: 10px 25px;
    border-radius: 5px;
    font-weight: 500;
    transition: all var(--transition-speed);
    border: none;
    cursor: pointer;
}

.btn-primary-custom {
    background-color: var(--primary-color);
    color: #fff;
}

.btn-primary-custom:hover {
    background-color: var(--dark-bg);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.btn-accent-custom {
    background-color: var(--accent-color);
    color: #fff;
}

.btn-accent-custom:hover {
    background-color: #095530;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.btn-success-custom {
    background-color: var(--success-color);
    color: #fff;
}

.btn-success-custom:hover {
    background-color: #095530;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.btn-danger-custom {
    background-color: var(--danger-color);
    color: #fff;
}

.btn-danger-custom:hover {
    background-color: #6e1613;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.btn-outline-custom {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline-custom:hover {
    background-color: var(--primary-color);
    color: #fff;
}

/* ========================================
   Form Styles
   ======================================== */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
    display: block;
}

.form-control-custom {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.form-control-custom:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-control-custom:disabled {
    background-color: var(--light-bg);
    cursor: not-allowed;
}

.form-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 5px;
}

.form-check-label {
    margin-left: 8px;
    cursor: pointer;
}

/* ========================================
   Alert Styles
   ======================================== */
.alert-custom {
    border-radius: 8px;
    padding: 15px 20px;
    margin-bottom: 20px;
    border-left: 4px solid;
    display: flex;
    align-items: center;
}

.alert-custom i {
    margin-right: 10px;
    font-size: 1.2rem;
}

.alert-success-custom {
    background-color: #d1f4e0;
    border-color: var(--success-color);
    color: #065028;
}

.alert-danger-custom {
    background-color: #f8d7da;
    border-color: var(--danger-color);
    color: #5c0f0d;
}

.alert-warning-custom {
    background-color: #fff3cd;
    border-color: var(--warning-color);
    color: #664d03;
}

.alert-info-custom {
    background-color: #cfe2ff;
    border-color: var(--info-color);
    color: #084298;
}

/* ========================================
   Table Styles
   ======================================== */
.table-custom {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table-custom thead {
    background-color: var(--primary-color);
    color: #fff;
}

.table-custom thead th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
}

.table-custom tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background-color var(--transition-speed);
}

.table-custom tbody tr:hover {
    background-color: var(--light-bg);
}

.table-custom tbody td {
    padding: 15px;
}

.table-custom tbody tr:last-child {
    border-bottom: none;
}

/* ========================================
   Badge Styles
   ======================================== */
.badge-custom {
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.875rem;
    font-weight: 500;
    display: inline-block;
}

.badge-success {
    background-color: var(--success-color);
    color: #fff;
}

.badge-danger {
    background-color: var(--danger-color);
    color: #fff;
}

.badge-warning {
    background-color: var(--warning-color);
    color: #fff;
}

.badge-info {
    background-color: var(--info-color);
    color: #fff;
}

.badge-primary {
    background-color: var(--primary-color);
    color: #fff;
}

.badge-secondary {
    background-color: var(--text-secondary);
    color: #fff;
}

/* ========================================
   Modal/Dialog Styles
   ======================================== */
.modal-custom {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.modal-custom.show {
    display: flex;
}

.modal-content-custom {
    background: #fff;
    border-radius: 10px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.modal-header-custom {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header-custom h3 {
    margin: 0;
    color: var(--primary-color);
}

.modal-body-custom {
    padding: 20px;
}

.modal-footer-custom {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* ========================================
   Loading Spinner
   ======================================== */
.loading-spinner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-spinner.show {
    display: flex;
}

.spinner {
    border: 4px solid rgba(255,255,255,0.3);
    border-top: 4px solid #fff;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ========================================
   Utility Classes
   ======================================== */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-left {
    text-align: left;
}

.mt-10 { margin-top: 10px; }
.mt-20 { margin-top: 20px; }
.mt-30 { margin-top: 30px; }

.mb-10 { margin-bottom: 10px; }
.mb-20 { margin-bottom: 20px; }
.mb-30 { margin-bottom: 30px; }

.pt-10 { padding-top: 10px; }
.pt-20 { padding-top: 20px; }
.pt-30 { padding-top: 30px; }

.pb-10 { padding-bottom: 10px; }
.pb-20 { padding-bottom: 20px; }
.pb-30 { padding-bottom: 30px; }

.d-flex {
    display: flex;
}

.justify-between {
    justify-content: space-between;
}

.align-center {
    align-items: center;
}

.gap-10 { gap: 10px; }
.gap-20 { gap: 20px; }

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1200px) {
    .content-wrapper {
        padding: 25px;
    }
}

@media (max-width: 992px) {
    .sidebar {
        margin-bottom: 20px;
    }
}

@media (max-width: 768px) {
    .content-wrapper {
        padding: 20px;
    }
    
    .main-content {
        padding: 20px 0;
    }

    .navbar-brand {
        font-size: 1.2rem;
    }

    .brand-icon {
        width: 35px;
        height: 35px;
        font-size: 1.2rem;
    }

    .page-title {
        font-size: 1.5rem;
    }

    .top-bar {
        font-size: 0.75rem;
    }

    .top-bar a {
        margin: 0 8px;
    }

    .table-custom {
        font-size: 0.875rem;
    }

    .table-custom thead th,
    .table-custom tbody td {
        padding: 10px;
    }
}

@media (max-width: 576px) {
    .content-wrapper {
        padding: 15px;
        border-radius: 5px;
    }

    .stat-card {
        padding: 20px;
    }

    .stat-card .stat-icon {
        font-size: 2rem;
    }

    .stat-card .stat-value {
        font-size: 1.5rem;
    }

    .btn-custom {
        padding: 8px 20px;
        font-size: 0.875rem;
    }
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
    .site-header,
    .breadcrumb-section,
    .sidebar,
    .site-footer,
    .btn-custom,
    .loading-spinner {
        display: none !important;
    }

    .main-content {
        padding: 0;
        min-height: auto;
    }

    .content-wrapper {
        box-shadow: none;
        padding: 0;
    }

    body {
        background: #fff;
    }
}
/* ========================================
   ENHANCED COMPONENTS FOR HEALTHCARE UI
   Additional Styles to be added to Site.css
   ======================================== */

/* ========================================
   Card Styles - Professional Healthcare Cards
   ======================================== */
.card-custom {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    overflow: hidden;
    background: var(--card-bg);
}

.card-custom:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-color);
}

.card-custom .card-header {
    background: var(--primary-color);
    color: var(--text-white);
    font-weight: 700;
    font-size: var(--font-size-lg);
    padding: var(--space-lg) var(--space-xl);
    border-bottom: 3px solid var(--secondary-color);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.card-custom .card-header i {
    font-size: var(--font-size-xl);
}

.card-custom .card-header h5 {
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-white);
}

.card-custom .card-body {
    padding: var(--space-xl);
}

.card-custom .card-footer {
    background-color: var(--light-bg);
    border-top: 1px solid var(--border-color);
    padding: var(--space-lg) var(--space-xl);
}

/* Stat Cards - Dashboard Metrics */
.stat-card {
    text-align: center;
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    background: var(--lighter-bg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-color);
}

.stat-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-color);
}

.stat-card .stat-icon {
    font-size: 3.5rem;
    margin-bottom: var(--space-lg);
    color: var(--primary-color);
}

.stat-card .stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--space-sm);
    line-height: 1;
}

.stat-card .stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wider);
    font-weight: 600;
}

.stat-card .stat-change {
    margin-top: var(--space-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.stat-card .stat-change.positive {
    color: var(--success-color);
}

.stat-card .stat-change.negative {
    color: var(--danger-color);
}

/* ========================================
   Button Styles - Professional & Accessible
   ======================================== */
.btn-custom {
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    line-height: 1;
    white-space: nowrap;
    letter-spacing: var(--letter-spacing-normal);
}

.btn-custom:focus {
    outline: 3px solid rgba(44, 125, 160, 0.3);
    outline-offset: 2px;
}

.btn-custom i {
    font-size: var(--font-size-lg);
}

.btn-primary-custom {
    background: var(--primary-color);
    color: var(--text-white);
    box-shadow: var(--shadow-sm);
    border: 2px solid var(--primary-color);
}

.btn-primary-custom:hover {
    background: #095530;
    border-color: #095530;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--text-white);
}

.btn-accent-custom {
    background: var(--primary-color);
    color: var(--text-white);
    box-shadow: var(--shadow-sm);
    border: 2px solid var(--primary-color);
}

.btn-accent-custom:hover {
    background: #095530;
    border-color: #095530;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--text-white);
}

.btn-success-custom {
    background: var(--success-color);
    color: var(--text-white);
    box-shadow: var(--shadow-sm);
    border: 2px solid var(--success-color);
}

.btn-success-custom:hover {
    background: #095530;
    border-color: #095530;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--text-white);
}

.btn-danger-custom {
    background: var(--danger-color);
    color: var(--text-white);
    box-shadow: var(--shadow-sm);
    border: 2px solid var(--danger-color);
}

.btn-danger-custom:hover {
    background: #6e1613;
    border-color: #6e1613;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--text-white);
}

.btn-warning-custom {
    background: var(--warning-color);
    color: var(--text-white);
    box-shadow: var(--shadow-sm);
    border: 2px solid var(--warning-color);
}

.btn-warning-custom:hover {
    background: #b45309;
    border-color: #b45309;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--text-white);
}

.btn-outline-custom {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline-custom:hover {
    background-color: var(--primary-color);
    color: var(--text-white);
    border-color: var(--primary-color);
}

.btn-sm-custom {
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--font-size-sm);
}

.btn-lg-custom {
    padding: var(--space-lg) var(--space-xxl);
    font-size: var(--font-size-lg);
}

/* ========================================
   Form Styles - Clear & Accessible
   ======================================== */
.form-group {
    margin-bottom: var(--space-xl);
}

.form-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    display: block;
    font-size: var(--font-size-base);
    letter-spacing: var(--letter-spacing-normal);
}

.form-label.required::after {
    content: ' *';
    color: var(--danger-color);
}

.form-control,
.form-select,
.form-control-custom {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family-base);
    transition: all var(--transition-base);
    background-color: var(--lighter-bg);
    color: var(--text-primary);
    line-height: var(--line-height-normal);
}

.form-control:focus,
.form-select:focus,
.form-control-custom:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px rgba(44, 125, 160, 0.1);
    background-color: var(--lighter-bg);
}

.form-control:disabled,
.form-select:disabled,
.form-control-custom:disabled {
    background-color: var(--light-bg);
    cursor: not-allowed;
    opacity: 0.6;
}

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

.form-control.is-valid,
.form-select.is-valid {
    border-color: var(--success-color);
}

.form-text {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: var(--space-xs);
    display: block;
    line-height: var(--line-height-normal);
}

.invalid-feedback {
    color: var(--danger-color);
    font-size: var(--font-size-sm);
    margin-top: var(--space-xs);
    display: block;
    font-weight: 500;
}

.valid-feedback {
    color: var(--success-color);
    font-size: var(--font-size-sm);
    margin-top: var(--space-xs);
    display: block;
    font-weight: 500;
}

/* Checkboxes and Radio Buttons */
.form-check {
    display: flex;
    align-items: center;
    margin-bottom: var(--space-md);
    padding-left: 0;
}

.form-check-input {
    width: 20px;
    height: 20px;
    margin-right: var(--space-md);
    cursor: pointer;
    border: 2px solid var(--border-dark);
}

.form-check-input:checked {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}

.form-check-input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px rgba(44, 125, 160, 0.1);
}

.form-check-label {
    margin-left: var(--space-sm);
    cursor: pointer;
    font-weight: 500;
    color: var(--text-primary);
    line-height: var(--line-height-normal);
}

/* Input Groups */
.input-group {
    display: flex;
    align-items: stretch;
    width: 100%;
}

.input-group .form-control {
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.input-group-text {
    display: flex;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--text-primary);
    background-color: var(--light-bg);
    border: 2px solid var(--border-color);
    border-left: none;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* ========================================
   Table Styles - Clean Data Display
   ======================================== */
.table-custom {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--lighter-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.table-custom thead {
    background: var(--primary-color);
    color: var(--text-white);
}

.table-custom thead th {
    padding: var(--space-lg) var(--space-lg);
    text-align: left;
    font-weight: 700;
    text-transform: uppercase;
    font-size: var(--font-size-sm);
    letter-spacing: var(--letter-spacing-wide);
    white-space: nowrap;
    border-bottom: 2px solid var(--secondary-color);
}

.table-custom tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.table-custom tbody tr:hover {
    background-color: var(--light-bg);
    transform: scale(1.01);
}

.table-custom tbody tr:last-child {
    border-bottom: none;
}

.table-custom tbody td {
    padding: var(--space-lg) var(--space-lg);
    font-size: var(--font-size-base);
    color: var(--text-primary);
    line-height: var(--line-height-normal);
}

/* Striped Table Variant */
.table-custom.table-striped tbody tr:nth-child(even) {
    background-color: var(--light-bg);
}

/* Bordered Table Variant */
.table-custom.table-bordered {
    border: 2px solid var(--border-color);
}

.table-custom.table-bordered th,
.table-custom.table-bordered td {
    border: 1px solid var(--border-color);
}

/* Responsive Table Wrapper */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

/* ========================================
   Alert Styles - Clear Messaging
   ======================================== */
.alert-custom {
    border-radius: var(--radius-md);
    padding: var(--space-lg) var(--space-xl);
    margin-bottom: var(--space-lg);
    border-left: 4px solid;
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
}

.alert-custom i {
    font-size: var(--font-size-xl);
    flex-shrink: 0;
    margin-top: 2px;
}

.alert-custom strong {
    font-weight: 700;
    display: block;
    margin-bottom: var(--space-xs);
}

.alert-success-custom {
    background-color: #d1f4e0;
    border-color: var(--success-color);
    color: #065028;
}

.alert-success-custom i {
    color: var(--success-color);
}

.alert-danger-custom {
    background-color: #f8d7da;
    border-color: var(--danger-color);
    color: #5c0f0d;
}

.alert-danger-custom i {
    color: var(--danger-color);
}

.alert-warning-custom {
    background-color: #fff3cd;
    border-color: var(--warning-color);
    color: #664d03;
}

.alert-warning-custom i {
    color: var(--warning-color);
}

.alert-info-custom {
    background-color: #cfe2ff;
    border-color: var(--info-color);
    color: #084298;
}

.alert-info-custom i {
    color: var(--info-color);
}

.alert-dismissible {
    padding-right: 4rem;
    position: relative;
}

.alert-dismissible .btn-close {
    position: absolute;
    top: 50%;
    right: var(--space-lg);
    transform: translateY(-50%);
    cursor: pointer;
    opacity: 0.6;
    transition: opacity var(--transition-base);
}

.alert-dismissible .btn-close:hover {
    opacity: 1;
}

/* ========================================
   Badge Styles - Status Indicators
   ======================================== */
.badge-custom {
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    line-height: 1;
}

.badge-success {
    background-color: var(--success-color);
    color: var(--text-white);
}

.badge-danger {
    background-color: var(--danger-color);
    color: var(--text-white);
}

.badge-warning {
    background-color: var(--warning-color);
    color: var(--text-white);
}

.badge-info {
    background-color: var(--info-color);
    color: var(--text-white);
}

.badge-primary {
    background-color: var(--primary-color);
    color: var(--text-white);
}

.badge-secondary {
    background-color: var(--text-secondary);
    color: var(--text-white);
}

.badge-light {
    background-color: var(--light-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

/* ========================================
   Loading Spinner - Professional
   ======================================== */
.loading-spinner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(30, 58, 95, 0.85);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    backdrop-filter: blur(4px);
}

.loading-spinner.show {
    display: flex;
}

.spinner {
    border: 5px solid rgba(255,255,255,0.2);
    border-top: 5px solid var(--accent-color);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-spinner-text {
    color: var(--text-white);
    margin-top: var(--space-lg);
    font-size: var(--font-size-lg);
    font-weight: 600;
}

/* ========================================
   Modal Styles - Clean Dialogs
   ======================================== */
.modal-custom {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    backdrop-filter: blur(4px);
}

.modal-custom.show {
    display: flex;
}

.modal-content-custom {
    background: var(--lighter-bg);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header-custom {
    padding: var(--space-xl);
    border-bottom: 2px solid var(--divider-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header-custom h3 {
    margin: 0;
    color: var(--primary-color);
    font-size: var(--font-size-2xl);
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-2xl);
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.modal-close:hover {
    background: var(--light-bg);
    color: var(--primary-color);
}

.modal-body-custom {
    padding: var(--space-xl);
}

.modal-footer-custom {
    padding: var(--space-xl);
    border-top: 2px solid var(--divider-color);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-md);
    background-color: var(--light-bg);
}

/* ========================================
   Utility Classes - Quick Styling
   ======================================== */
/* Text Alignment */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }
.text-justify { text-align: justify; }

/* Text Transform */
.text-uppercase { text-transform: uppercase; }
.text-lowercase { text-transform: lowercase; }
.text-capitalize { text-transform: capitalize; }

/* Font Weights */
.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

/* Text Colors */
.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-success { color: var(--success-color) !important; }
.text-danger { color: var(--danger-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-info { color: var(--info-color) !important; }
.text-light { color: var(--text-light) !important; }
.text-white { color: var(--text-white) !important; }

/* Spacing Utilities */
.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.ml-xs { margin-left: var(--space-xs); }
.ml-sm { margin-left: var(--space-sm); }
.ml-md { margin-left: var(--space-md); }
.ml-lg { margin-left: var(--space-lg); }
.ml-xl { margin-left: var(--space-xl); }

.mr-xs { margin-right: var(--space-xs); }
.mr-sm { margin-right: var(--space-sm); }
.mr-md { margin-right: var(--space-md); }
.mr-lg { margin-right: var(--space-lg); }
.mr-xl { margin-right: var(--space-xl); }

.pt-xs { padding-top: var(--space-xs); }
.pt-sm { padding-top: var(--space-sm); }
.pt-md { padding-top: var(--space-md); }
.pt-lg { padding-top: var(--space-lg); }
.pt-xl { padding-top: var(--space-xl); }

.pb-xs { padding-bottom: var(--space-xs); }
.pb-sm { padding-bottom: var(--space-sm); }
.pb-md { padding-bottom: var(--space-md); }
.pb-lg { padding-bottom: var(--space-lg); }
.pb-xl { padding-bottom: var(--space-xl); }

.pl-xs { padding-left: var(--space-xs); }
.pl-sm { padding-left: var(--space-sm); }
.pl-md { padding-left: var(--space-md); }
.pl-lg { padding-left: var(--space-lg); }
.pl-xl { padding-left: var(--space-xl); }

.pr-xs { padding-right: var(--space-xs); }
.pr-sm { padding-right: var(--space-sm); }
.pr-md { padding-right: var(--space-md); }
.pr-lg { padding-right: var(--space-lg); }
.pr-xl { padding-right: var(--space-xl); }

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

/* Flexbox Utilities */
.flex-row { flex-direction: row; }
.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.align-start { align-items: flex-start; }
.align-end { align-items: flex-end; }
.align-center { align-items: center; }
.align-stretch { align-items: stretch; }

/* Gap Utilities */
.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* Border Utilities */
.border-0 { border: none !important; }
.border { border: 1px solid var(--border-color); }
.border-top { border-top: 1px solid var(--border-color); }
.border-bottom { border-bottom: 1px solid var(--border-color); }
.border-left { border-left: 1px solid var(--border-color); }
.border-right { border-right: 1px solid var(--border-color); }

.rounded-sm { border-radius: var(--radius-sm); }
.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

/* Shadow Utilities */
.shadow-xs { box-shadow: var(--shadow-xs); }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }
.shadow-none { box-shadow: none !important; }

/* Position Utilities */
.position-relative { position: relative; }
.position-absolute { position: absolute; }
.position-fixed { position: fixed; }
.position-sticky { position: sticky; }

/* Overflow Utilities */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-scroll { overflow: scroll; }

/* Width Utilities */
.w-25 { width: 25%; }
.w-50 { width: 50%; }
.w-75 { width: 75%; }
.w-100 { width: 100%; }
.w-auto { width: auto; }

/* Height Utilities */
.h-25 { height: 25%; }
.h-50 { height: 50%; }
.h-75 { height: 75%; }
.h-100 { height: 100%; }
.h-auto { height: auto; }

/* ========================================
   Responsive Design - Mobile First
   ======================================== */
@media (max-width: 1200px) {
    :root {
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.75rem;
    }
    
    .content-wrapper {
        padding: var(--space-lg);
    }
    
    .sidebar {
        padding: var(--space-lg);
    }
}

@media (max-width: 992px) {
    .sidebar {
        margin-bottom: var(--space-lg);
        position: static;
        max-height: none;
    }
    
    .main-content {
        padding: var(--space-lg) 0;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.5rem;
        --font-size-2xl: 1.25rem;
    }
    
    .content-wrapper {
        padding: var(--space-md);
        border-radius: var(--radius-md);
    }
    
    .main-content {
        padding: var(--space-lg) 0;
    }

    .navbar-brand {
        font-size: var(--font-size-lg);
    }

    .brand-icon {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-xl);
    }

    .page-title {
        font-size: var(--font-size-2xl);
    }

    .top-bar {
        font-size: var(--font-size-xs);
        padding: var(--space-xs) 0;
    }

    .top-bar a {
        margin: 0 var(--space-sm);
    }

    .table-custom {
        font-size: var(--font-size-sm);
    }

    .table-custom thead th,
    .table-custom tbody td {
        padding: var(--space-md);
    }
    
    .stat-card {
        padding: var(--space-lg);
    }
    
    .stat-card .stat-icon {
        font-size: 2.5rem;
    }
    
    .stat-card .stat-value {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .content-wrapper {
        padding: var(--space-sm);
        border-radius: var(--radius-sm);
    }

    .btn-custom {
        padding: var(--space-sm) var(--space-md);
        font-size: var(--font-size-sm);
    }
    
    .page-title {
        font-size: var(--font-size-xl);
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }
    
    .modal-content-custom {
        width: 95%;
    }
    
    .form-group {
        margin-bottom: var(--space-lg);
    }
}

/* ========================================
   Print Styles - Professional Documents
   ======================================== */
@media print {
    .site-header,
    .breadcrumb-section,
    .sidebar,
    .site-footer,
    .btn-custom,
    .loading-spinner,
    .navbar-toggler,
    .alert-custom {
        display: none !important;
    }

    .main-content {
        padding: 0;
        min-height: auto;
    }

    .content-wrapper {
        box-shadow: none;
        padding: 0;
        border: none;
    }

    body {
        background: var(--lighter-bg);
        font-size: 12pt;
        line-height: var(--line-height-relaxed);
    }
    
    .page-title {
        border-bottom: 2px solid var(--text-primary);
        color: var(--text-primary);
    }
    
    .table-custom {
        border: 1px solid var(--text-primary);
    }
    
    .table-custom thead {
        background: var(--text-primary) !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
    
    a[href]:after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
        color: var(--text-secondary);
    }
}

/* ========================================
   Accessibility Enhancements - WCAG 2.1 AA
   ======================================== */
/* Focus Visible States */
*:focus-visible {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #000000;
        --text-primary: #000000;
        --border-color: #000000;
        --accent-color: #000000;
    }
    
    .btn-custom {
        border: 2px solid currentColor;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Dark Mode Support (Optional Future Enhancement) */
@media (prefers-color-scheme: dark) {
    /* 
    Dark mode currently disabled to maintain official color scheme
    If enabled in future, must use official Uganda health colors only
    */
}
/* ========================================
   OFFICIAL UGANDA HEALTH PROGRAM OVERRIDES
   Bootstrap & ASP.NET Control Standardization
   ======================================== */

/* Bootstrap Button Overrides - Official Colors */
.btn-primary,
input[type="submit"].btn-primary,
.aspNetButton.btn-primary {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    color: var(--text-white) !important;
    font-weight: 600;
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
    background-color: #095530 !important;
    border-color: #095530 !important;
    color: var(--text-white) !important;
}

.btn-success {
    background-color: var(--success-color) !important;
    border-color: var(--success-color) !important;
    color: var(--text-white) !important;
}

.btn-success:hover,
.btn-success:focus,
.btn-success:active {
    background-color: #095530 !important;
    border-color: #095530 !important;
}

.btn-danger {
    background-color: var(--danger-color) !important;
    border-color: var(--danger-color) !important;
    color: var(--text-white) !important;
}

.btn-danger:hover,
.btn-danger:focus,
.btn-danger:active {
    background-color: #6e1613 !important;
    border-color: #6e1613 !important;
}

.btn-warning {
    background-color: var(--warning-color) !important;
    border-color: var(--warning-color) !important;
    color: var(--text-white) !important;
}

.btn-info {
    background-color: var(--info-color) !important;
    border-color: var(--info-color) !important;
    color: var(--text-white) !important;
}

.btn-outline-primary {
    color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
}

.btn-outline-primary:hover {
    background-color: var(--primary-color) !important;
    color: var(--text-white) !important;
}

/* Bootstrap Form Controls - Enhanced Readability */
.form-control,
.form-select,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="tel"],
textarea,
select {
    font-size: var(--font-size-base) !important;
    padding: var(--space-md) var(--space-lg) !important;
    border: 2px solid var(--border-color) !important;
    border-radius: var(--radius-md) !important;
    line-height: var(--line-height-normal) !important;
}

.form-control:focus,
.form-select:focus,
input:focus,
textarea:focus,
select:focus {
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 0.2rem rgba(11, 110, 63, 0.25) !important;
    outline: none !important;
}

.form-label,
label {
    font-weight: 600 !important;
    color: var(--text-primary) !important;
    margin-bottom: var(--space-sm) !important;
    font-size: var(--font-size-base) !important;
}

/* Bootstrap Nav Tabs - Official Colors */
.nav-tabs .nav-link {
    color: var(--text-primary);
    font-weight: 500;
    border: none;
    border-bottom: 3px solid transparent;
}

.nav-tabs .nav-link:hover {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.nav-tabs .nav-link.active {
    color: var(--primary-color) !important;
    font-weight: 700;
    background-color: transparent;
    border-bottom: 3px solid var(--primary-color);
}

/* Bootstrap Alerts - Official Colors */
.alert-success {
    background-color: #d1f4e0 !important;
    border-color: var(--success-color) !important;
    color: #065028 !important;
    border-left: 4px solid var(--success-color) !important;
}

.alert-danger {
    background-color: #f8d7da !important;
    border-color: var(--danger-color) !important;
    color: #5c0f0d !important;
    border-left: 4px solid var(--danger-color) !important;
}

.alert-warning {
    background-color: #fff3cd !important;
    border-color: var(--warning-color) !important;
    color: #664d03 !important;
    border-left: 4px solid var(--warning-color) !important;
}

.alert-info {
    background-color: #cfe2ff !important;
    border-color: var(--info-color) !important;
    color: #084298 !important;
    border-left: 4px solid var(--info-color) !important;
}

/* Bootstrap Badges - Official Colors */
.badge.bg-primary {
    background-color: var(--primary-color) !important;
}

.badge.bg-success {
    background-color: var(--success-color) !important;
}

.badge.bg-danger {
    background-color: var(--danger-color) !important;
}

.badge.bg-warning {
    background-color: var(--warning-color) !important;
}

/* Bootstrap Progress Bars */
.progress-bar {
    background-color: var(--primary-color) !important;
}

.progress-bar.bg-success {
    background-color: var(--success-color) !important;
}

.progress-bar.bg-danger {
    background-color: var(--danger-color) !important;
}

/* ASP.NET GridView Overrides */
.GridViewStyle,
table.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.GridViewStyle thead th,
table.table thead th {
    background-color: var(--primary-color) !important;
    color: var(--text-white) !important;
    font-weight: 700;
    padding: var(--space-lg);
    text-align: left;
    border-bottom: 2px solid var(--secondary-color);
}

.GridViewStyle tbody tr:nth-child(even),
table.table-striped tbody tr:nth-child(even) {
    background-color: var(--light-bg);
}

.GridViewStyle tbody tr:hover,
table.table tbody tr:hover {
    background-color: #e8f5e9;
}

/* ASP.NET Validation Summary */
.validation-summary-errors {
    background-color: #f8d7da;
    border-left: 4px solid var(--danger-color);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
    color: #721c24;
}

.field-validation-error {
    color: var(--danger-color);
    font-size: var(--font-size-sm);
    font-weight: 600;
    display: block;
    margin-top: var(--space-xs);
}

.input-validation-error {
    border-color: var(--danger-color) !important;
}

/* Chart.js Colors Override */
:root {
    --chart-color-primary: #0B6E3F;
    --chart-color-secondary: #8B1D18;
    --chart-color-success: #0B6E3F;
    --chart-color-warning: #d97706;
    --chart-color-info: #0369a1;
}

/* Pagination - Official Colors */
.pagination .page-link {
    color: var(--primary-color);
    border-color: var(--border-color);
}

.pagination .page-link:hover {
    background-color: var(--light-bg);
    color: var(--primary-color);
}

.pagination .page-item.active .page-link {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    color: var(--text-white) !important;
}

/* Dropdown Menus */
.dropdown-menu {
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.dropdown-item:hover,
.dropdown-item:focus {
    background-color: var(--light-bg);
    color: var(--primary-color);
}

.dropdown-item.active {
    background-color: var(--primary-color);
    color: var(--text-white);
}

/* Modal Headers */
.modal-header {
    background-color: var(--primary-color);
    color: var(--text-white);
    border-bottom: 2px solid var(--secondary-color);
}

.modal-header .btn-close {
    filter: brightness(0) invert(1);
}

/* Accordion - Official Colors */
.accordion-button:not(.collapsed) {
    background-color: var(--light-bg);
    color: var(--primary-color);
    font-weight: 700;
}

.accordion-button:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(11, 110, 63, 0.25);
}

/* Breadcrumb Active Item */
.breadcrumb-item.active {
    color: var(--primary-color);
    font-weight: 600;
}

/* List Group Active Item */
.list-group-item.active {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
}

.list-group-item:hover {
    background-color: var(--light-bg);
}

/* Spinner/Loading Indicator */
.spinner-border {
    color: var(--primary-color) !important;
}

.spinner-border.text-primary {
    color: var(--primary-color) !important;
}

/* Toast Notifications */
.toast-header {
    background-color: var(--primary-color);
    color: var(--text-white);
}

/* Card with Primary Header */
.card-header.bg-primary {
    background-color: var(--primary-color) !important;
    color: var(--text-white) !important;
    font-weight: 700;
    border-bottom: 2px solid var(--secondary-color);
}

/* Switch/Toggle Controls */
.form-check-input:checked {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
}

.form-switch .form-check-input:checked {
    background-color: var(--primary-color) !important;
}

/* Range Slider */
input[type="range"]::-webkit-slider-thumb {
    background: var(--primary-color);
}

input[type="range"]::-moz-range-thumb {
    background: var(--primary-color);
}

/* Tooltips */
.tooltip-inner {
    background-color: var(--primary-color);
}

.bs-tooltip-top .tooltip-arrow::before {
    border-top-color: var(--primary-color);
}

.bs-tooltip-bottom .tooltip-arrow::before {
    border-bottom-color: var(--primary-color);
}

/* Link Colors */
a {
    color: var(--primary-color);
}

a:hover {
    color: #095530;
    text-decoration: underline;
}

/* Selection Highlight */
::selection {
    background-color: var(--primary-color);
    color: var(--text-white);
}

::-moz-selection {
    background-color: var(--primary-color);
    color: var(--text-white);
}

/* Focus Outline - Accessibility */
*:focus-visible {
    outline: 2px solid var(--primary-color) !important;
    outline-offset: 2px;
}

/* Scrollbar - Official Colors */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--light-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: #095530;
}

/* Print Styles - Maintain Official Colors */
@media print {
    .site-header {
        background: var(--primary-color) !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
    
    .table-custom thead {
        background: var(--primary-color) !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
    
    .card-header {
        background: var(--primary-color) !important;
        border-bottom: 2px solid var(--secondary-color) !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
}