/**
 * Testing Waves - Professional Enterprise Stylesheet
 * Version: 10.0 - PROFESSIONAL PLATFORM DESIGN WITH ROLE-SPECIFIC COLORS
 * Mobile First Responsive Design with Professional Theme
 * Production Ready - Saudi Arabia Platform
 */

/* ========================================================================
   PROFESSIONAL CSS VARIABLES & ROOT CONFIGURATION
   ======================================================================== */
:root {
    /* Layout Variables */
    --navbar-height: 70px;
    --sidebar-width: 280px;
    
    /* Professional Enterprise Brand Colors */
    --brand-primary: #1e40af;
    --brand-secondary: #2563eb;
    --brand-accent: #3b82f6;
    --brand-gradient: linear-gradient(135deg, #1e3a8a 0%, #1e40af 50%, #2563eb 100%);
    
    /* Professional Header & Navigation Colors */
    --header-bg: rgba(248, 250, 252, 0.98);
    --header-border: rgba(0, 0, 0, 0.08);
    --header-text: #475569;
    --header-text-hover: #1e40af;
    --header-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
    --nav-link-hover: rgba(30, 64, 175, 0.08);
    
    /* Professional Sidebar Colors - Base (Default) */
    --sidebar-bg: #f8fafc;
    --sidebar-border: #cbd5e1;
    --sidebar-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    --sidebar-link: #475569;
    --sidebar-link-hover: #1e40af;
    --sidebar-link-active: #1e40af;
    --sidebar-link-bg-hover: rgba(30, 64, 175, 0.08);
    --sidebar-link-bg-active: rgba(30, 64, 175, 0.12);
    
    /* Admin Sidebar - Deep Professional Blue */
    --admin-sidebar-bg: linear-gradient(180deg, #1e293b 0%, #334155 100%);
    --admin-sidebar-link: #e2e8f0;
    --admin-sidebar-link-hover: #ffffff;
    --admin-sidebar-link-active: #ffffff;
    --admin-sidebar-link-bg-hover: rgba(255, 255, 255, 0.12);
    --admin-sidebar-link-bg-active: rgba(255, 255, 255, 0.18);
    --admin-accent: #38bdf8;
    
    /* Business Sidebar - Professional Teal/Cyan */
    --business-sidebar-bg: linear-gradient(180deg, #1e293b 0%, #334155 100%);
    --business-sidebar-link: #e2e8f0;
    --business-sidebar-link-hover: #ffffff;
    --business-sidebar-link-active: #ffffff;
    --business-sidebar-link-bg-hover: rgba(255, 255, 255, 0.12);
    --business-sidebar-link-bg-active: rgba(255, 255, 255, 0.18);
    --business-accent: #38bdf8;
    
    /* Tester Sidebar - Professional Navy Blue (Easy on Eyes) */
    --tester-sidebar-bg: linear-gradient(180deg, #1e293b 0%, #334155 100%);
    --tester-sidebar-link: #e2e8f0;
    --tester-sidebar-link-hover: #ffffff;
    --tester-sidebar-link-active: #ffffff;
    --tester-sidebar-link-bg-hover: rgba(255, 255, 255, 0.12);
    --tester-sidebar-link-bg-active: rgba(255, 255, 255, 0.18);
    --tester-accent: #38bdf8;
    
    /* Bug Reviewer Sidebar - Charcoal Gray (Professional & Easy on Eyes) */
    --reviewer-sidebar-bg: linear-gradient(180deg, #1e293b 0%, #334155 100%);
    --reviewer-sidebar-link: #e2e8f0;
    --reviewer-sidebar-link-hover: #ffffff;
    --reviewer-sidebar-link-active: #ffffff;
    --reviewer-sidebar-link-bg-hover: rgba(255, 255, 255, 0.12);
    --reviewer-sidebar-link-bg-active: rgba(255, 255, 255, 0.18);
    --reviewer-accent: #38bdf8;
    
    /* Modern Professional Color Palette */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;
    
    /* Status Colors - Professional Theme */
    --success: #059669;
    --success-bg: #d1fae5;
    --success-text: #065f46;
    --success-border: #6ee7b7;
    --warning: #d97706;
    --warning-bg: #fef3c7;
    --warning-text: #92400e;
    --warning-border: #fcd34d;
    --danger: #dc2626;
    --danger-bg: #fee2e2;
    --danger-text: #7f1d1d;
    --danger-border: #fca5a5;
    --info: #0891b2;
    --info-bg: #cffafe;
    --info-text: #0e7490;
    --info-border: #67e8f9;
    
    /* Professional Text Colors */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --text-light: #cbd5e1;
    --text-white: #ffffff;
    
    /* Professional Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-accent: #e2e8f0;
    --bg-card: #ffffff;
    --bg-surface: #fefefe;
    
    /* Professional Borders & Shadows */
    --border-light: #e2e8f0;
    --border-medium: #cbd5e1;
    --border-dark: #94a3b8;
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.08), 0 1px 2px -1px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.12), 0 2px 4px -2px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.12), 0 4px 6px -4px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.12), 0 8px 10px -6px rgba(0, 0, 0, 0.12);
    
    /* Professional Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Smooth Transitions */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', system-ui, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    
    /* Z-index layers */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
}

/* ========================================================================
   ROLE-SPECIFIC SIDEBAR STYLES - PROFESSIONAL DESIGN
   ======================================================================== */

/* Admin Sidebar - Professional Deep Blue */
#adminSidebar,
.admin-sidebar,
.admin-sidebar-fixed {
    background: var(--admin-sidebar-bg) !important;
    border-right: 2px solid rgba(59, 130, 246, 0.3);
}

#adminSidebar .sidebar-header,
#adminSidebar .admin-header {
    background: rgba(255, 255, 255, 0.08);
    border-bottom: 2px solid rgba(255, 255, 255, 0.15);
}

#adminSidebar .sidebar-title,
#adminSidebar .admin-portal-title {
    color: var(--admin-sidebar-link-active) !important;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

#adminSidebar .nav-link,
#adminSidebar .admin-menu-link {
    color: var(--admin-sidebar-link) !important;
}

#adminSidebar .nav-link:hover,
#adminSidebar .admin-menu-link:hover {
    color: var(--admin-sidebar-link-hover) !important;
    background-color: var(--admin-sidebar-link-bg-hover) !important;
}

#adminSidebar .nav-link.active,
#adminSidebar .admin-menu-link.active {
    color: var(--admin-sidebar-link-active) !important;
    background-color: var(--admin-sidebar-link-bg-active) !important;
    border-left: 4px solid var(--admin-accent);
    font-weight: 600;
}

#adminSidebar .badge {
    background: var(--admin-accent) !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Business Sidebar - Professional Teal */
#businessSidebar,
.business-sidebar {
    background: var(--business-sidebar-bg) !important;
    border-right: 2px solid rgba(20, 184, 166, 0.3);
}

#businessSidebar .sidebar-header {
    background: rgba(255, 255, 255, 0.08);
    border-bottom: 2px solid rgba(255, 255, 255, 0.15);
}

#businessSidebar .sidebar-title {
    color: var(--business-sidebar-link-active) !important;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

#businessSidebar .nav-link {
    color: var(--business-sidebar-link) !important;
}

#businessSidebar .nav-link:hover {
    color: var(--business-sidebar-link-hover) !important;
    background-color: var(--business-sidebar-link-bg-hover) !important;
}

#businessSidebar .nav-link.active {
    color: var(--business-sidebar-link-active) !important;
    background-color: var(--business-sidebar-link-bg-active) !important;
    border-left: 4px solid var(--business-accent);
    font-weight: 600;
}

#businessSidebar .badge {
    background: var(--business-accent) !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Tester Sidebar - Professional Navy Blue */
#testerSidebar,
.tester-sidebar {
    background: var(--tester-sidebar-bg) !important;
    border-right: 2px solid rgba(167, 139, 250, 0.3);
}

#testerSidebar .sidebar-header {
    background: rgba(255, 255, 255, 0.08);
    border-bottom: 2px solid rgba(255, 255, 255, 0.15);
}

#testerSidebar .sidebar-title {
    color: var(--tester-sidebar-link-active) !important;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

#testerSidebar .nav-link {
    color: var(--tester-sidebar-link) !important;
}

#testerSidebar .nav-link:hover {
    color: var(--tester-sidebar-link-hover) !important;
    background-color: var(--tester-sidebar-link-bg-hover) !important;
}

#testerSidebar .nav-link.active {
    color: var(--tester-sidebar-link-active) !important;
    background-color: var(--tester-sidebar-link-bg-active) !important;
    border-left: 4px solid var(--tester-accent);
    font-weight: 600;
}

#testerSidebar .badge {
    background: var(--tester-accent) !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Bug Reviewer Sidebar - Charcoal Gray */
#bugReviewerSidebar,
.bug-reviewer-sidebar {
    background: var(--reviewer-sidebar-bg) !important;
    border-right: 2px solid rgba(251, 146, 60, 0.3);
}

#bugReviewerSidebar .sidebar-header {
    background: rgba(255, 255, 255, 0.08);
    border-bottom: 2px solid rgba(255, 255, 255, 0.15);
}

#bugReviewerSidebar .sidebar-title {
    color: var(--reviewer-sidebar-link-active) !important;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

#bugReviewerSidebar .nav-link {
    color: var(--reviewer-sidebar-link) !important;
}

#bugReviewerSidebar .nav-link:hover {
    color: var(--reviewer-sidebar-link-hover) !important;
    background-color: var(--reviewer-sidebar-link-bg-hover) !important;
}

#bugReviewerSidebar .nav-link.active {
    color: var(--reviewer-sidebar-link-active) !important;
    background-color: var(--reviewer-sidebar-link-bg-active) !important;
    border-left: 4px solid var(--reviewer-accent);
    font-weight: 600;
}

#bugReviewerSidebar .badge {
    background: var(--reviewer-accent) !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Universal sidebar icon styling for all roles */
.sidebar .nav-link i,
.sidebar .sidebar-title i {
    margin-right: 0.75rem;
    width: 20px;
    text-align: center;
    font-size: 1.125rem;
}

/* Professional hover effects for all sidebars */
.sidebar .nav-link {
    position: relative;
    transition: all var(--transition-normal);
}

.sidebar .nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 70%;
    background: currentColor;
    opacity: 0;
    transition: all var(--transition-fast);
    border-radius: 0 4px 4px 0;
}

.sidebar .nav-link.active::before {
    width: 4px;
    opacity: 1;
}


/* ========================================================================
   MODERN BASE STYLES & RESET
   ======================================================================== */
* {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    height: 100%;
}

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 0;
    padding: 0;
    padding-top: var(--navbar-height);
    min-height: 100vh;
}

/* Typography improvements */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.25;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    letter-spacing: -0.025em;
}

h1 { font-size: 2.25rem; font-weight: 700; }
h2 { font-size: 1.875rem; font-weight: 600; }
h3 { font-size: 1.5rem; font-weight: 600; }
h4 { font-size: 1.25rem; font-weight: 600; }
h5 { font-size: 1.125rem; font-weight: 500; }
h6 { font-size: 1rem; font-weight: 500; }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    font-weight: 400;
}

a {
    color: var(--brand-primary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

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

/* Selection styling */
::selection {
    background: var(--primary-100);
    color: var(--primary-800);
}

/* Focus styles for accessibility */
*:focus {
    outline: 2px solid var(--brand-primary);
    outline-offset: 2px;
}

/* ========================================================================
   LIGHT PROFESSIONAL NAVBAR - COMPLETE REDESIGN - FIREFOX COMPATIBLE
   ======================================================================== */
.navbar {
    height: var(--navbar-height);
    background: var(--header-bg) !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
    border-bottom: 1px solid var(--header-border) !important;
    box-shadow: var(--header-shadow) !important;
    border: none;
    padding: 0.75rem 2rem;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    transition: all var(--transition-fast);
    /* CRITICAL: Firefox fix - prevent backdrop-filter from blocking pointer events */
    isolation: isolate;
}

/* Firefox specific fixes for clickability issues */
@-moz-document url-prefix() {
    .navbar * {
        pointer-events: auto !important;
    }
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--brand-primary) !important;
    text-shadow: none;
    letter-spacing: -0.025em;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    text-decoration: none !important;
    /* Firefox fix: ensure proper stacking */
    position: relative;
    z-index: 1;
    pointer-events: auto;
}

.navbar-brand:hover {
    color: var(--brand-accent) !important;
    transform: translateY(-1px);
}

.navbar-brand img {
    height: 32px;
    width: auto;
    margin-right: 0.5rem;
    pointer-events: none; /* Prevent img from blocking clicks */
}

/* Mobile Burger Menu - Firefox Compatible */
.navbar-toggler {
    border: none;
    padding: 0.5rem;
    background: none;
    color: var(--header-text);
    font-size: 1.25rem;
    transition: all var(--transition-fast);
    border-radius: var(--radius-md);
    /* CRITICAL: Fix Firefox clickability issues */
    position: relative;
    z-index: 1050 !important; /* Higher than navbar z-index */
    pointer-events: auto !important;
    cursor: pointer !important;
    isolation: isolate; /* Creates new stacking context for Firefox */
}

.navbar-toggler:hover {
    color: var(--header-text-hover);
    background-color: var(--nav-link-hover);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.25);
    outline: none;
}

.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='%236b7280' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    width: 1.5em;
    height: 1.5em;
    display: block;
    pointer-events: none; /* Let clicks pass through to button */
}

/* Mobile Collapsed Menu - Enhanced Visibility */
@media (max-width: 991.98px) {
    .navbar-collapse {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border: 1px solid var(--border-light);
        border-top: 2px solid var(--brand-primary);
        border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
        padding: 1rem;
        margin-top: 0.5rem;
        z-index: var(--z-dropdown);
        max-height: 80vh;
        overflow-y: auto;
    }
    
    .navbar-collapse.collapsing,
    .navbar-collapse.show {
        animation: slideDown 0.3s ease-out;
    }
    
    .navbar-nav {
        padding: 0.5rem 0;
    }
    
    .navbar-nav .nav-link {
        padding: 0.75rem 1rem !important;
        margin: 0.25rem 0;
        border-radius: var(--radius-md);
        display: flex;
        align-items: center;
        background: var(--bg-primary);
        border: 1px solid transparent;
    }
    
    .navbar-nav .nav-link:hover {
        background-color: var(--bg-secondary) !important;
        border-color: var(--brand-primary);
    }
    
    /* CRITICAL FIX: Auto-expand ALL dropdowns on mobile for logout visibility */
    .navbar-nav .dropdown-menu,
    .navbar-nav .nav-item.dropdown .dropdown-menu {
        position: static !important;
        transform: none !important;
        border: none;
        box-shadow: none;
        background: var(--bg-secondary);
        margin: 0.5rem 0 !important;
        padding: 0.5rem !important;
        display: block !important;
        opacity: 1 !important;
        visibility: visible !important;
        float: none !important;
        width: 100% !important;
    }
    
    .navbar-nav .dropdown-item {
        border-radius: var(--radius-sm);
        margin: 0.25rem 0;
        padding: 0.75rem 1rem;
    }
    
    /* Hide dropdown toggle arrow on mobile since menu is always visible */
    .navbar-nav .dropdown-toggle::after {
        display: none;
    }
    
    /* Hide the dropdown header dividers on mobile for cleaner look */
    .navbar-nav .dropdown-menu .dropdown-divider {
        margin: 0.25rem 0;
    }
    
    /* Style the logout link prominently on mobile */
    .navbar-nav .dropdown-item.text-danger,
    .navbar-nav .dropdown-menu a[href="logout.php"],
    .navbar-collapse .dropdown-item.text-danger {
        background-color: #fee2e2 !important;
        color: #dc2626 !important;
        font-weight: 600 !important;
        padding: 0.75rem 1rem !important;
        border-radius: var(--radius-md) !important;
        margin-top: 0.5rem !important;
        display: flex !important;
        align-items: center;
    }
    
    .navbar-nav .dropdown-item.text-danger:hover,
    .navbar-nav .dropdown-menu a[href="logout.php"]:hover,
    .navbar-collapse .dropdown-item.text-danger:hover {
        background-color: #fecaca !important;
        color: #991b1b !important;
    }
    
    /* User profile dropdown header styling on mobile */
    .navbar-nav .dropdown-menu .dropdown-header {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
    
    /* Notification dropdown styling on mobile */
    .navbar-nav .notification-dropdown {
        max-height: 300px;
        overflow-y: auto;
    }
}


/* Navbar navigation */
.navbar-nav {
    gap: 0.5rem;
}

.navbar-nav .nav-link {
    color: var(--header-text) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
}

.navbar-nav .nav-link:hover {
    color: var(--header-text-hover) !important;
    background-color: var(--nav-link-hover);
}

.navbar-nav .nav-link.active {
    color: var(--brand-primary) !important;
    background-color: rgba(37, 99, 235, 0.1);
}

/* Firefox fix: Ensure nav links are clickable */
.navbar-nav .nav-link,
.navbar-nav .nav-item,
.navbar-nav .dropdown,
.navbar .dropdown-menu,
.navbar .dropdown-item {
    pointer-events: auto !important;
    cursor: pointer;
}

/* Ensure proper stacking for all navbar interactive elements */
.navbar-nav .nav-item {
    position: relative;
    z-index: 1;
}


/* User menu dropdown */
.navbar .dropdown-menu {
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-lg);
    margin-top: 0.5rem;
    min-width: 200px;
}

.navbar .dropdown-item {
    padding: 0.75rem 1rem;
    transition: all var(--transition-fast);
    color: var(--text-secondary);
}

.navbar .dropdown-item:hover {
    background-color: var(--bg-tertiary);
    color: var(--brand-primary);
}

/* ========================================================================
   LIGHT PROFESSIONAL SIDEBAR STYLES
   ======================================================================== */
.sidebar {
    position: fixed;
    top: var(--navbar-height);
    bottom: 0;
    left: 0;
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    border-right: 1px solid var(--sidebar-border);
    box-shadow: var(--sidebar-shadow);
    z-index: var(--z-sticky);
    overflow-y: auto;
    overflow-x: hidden;
    transition: all var(--transition-normal);
    scrollbar-width: thin;
    scrollbar-color: var(--border-light) transparent;
}

.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--border-medium);
}

/* Sidebar Header */
.sidebar-header {
    padding: 1.5rem 1rem 1rem;
    border-bottom: 1px solid var(--border-light);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.sidebar-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
}

.sidebar-title i {
    color: var(--brand-primary);
    margin-right: 0.5rem;
}

/* Sidebar Navigation */
.sidebar-nav {
    padding: 1rem 0;
}

.sidebar-nav .nav {
    flex-direction: column;
    gap: 0.25rem;
    padding: 0 1rem;
}

.sidebar-nav .nav-item {
    margin: 0;
}

.sidebar-nav .nav-link {
    color: var(--sidebar-link);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 0.25rem;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    font-weight: 500;
    text-decoration: none;
    border: none;
    background: none;
}

.sidebar-nav .nav-link:hover {
    color: var(--sidebar-link-hover);
    background-color: var(--sidebar-link-bg-hover);
    text-decoration: none;
    transform: translateX(2px);
}

.sidebar-nav .nav-link.active {
    color: var(--sidebar-link-active);
    background-color: var(--sidebar-link-bg-active);
    font-weight: 600;
    box-shadow: inset 3px 0 0 var(--brand-primary);
}

.sidebar-nav .nav-link i {
    width: 18px;
    margin-right: 0.75rem;
    text-align: center;
    font-size: 1rem;
}

/* Badge/Counter styling in sidebar */
.sidebar-nav .badge {
    margin-left: auto;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
}

/* Section dividers */
.sidebar-nav .nav-divider {
    height: 1px;
    background: var(--border-light);
    margin: 1rem 0;
}

.sidebar-nav .nav-section-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.5rem 1rem;
    margin-top: 1rem;
}

/* ========================================================================
   MAIN CONTENT LAYOUT
   ======================================================================== */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: calc(100vh - var(--navbar-height));
    padding: 2rem;
    background: var(--bg-secondary);
    transition: margin-left var(--transition-normal);
}

/* Page header styling */
.page-header {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 1.5rem 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

.page-header h1 {
    margin: 0;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.page-header h1 i {
    color: var(--brand-primary);
}

/* ========================================================================
   CARD & COMPONENT STYLING
   ======================================================================== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
    transition: all var(--transition-fast);
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.card-header {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    border-bottom: 1px solid var(--border-light);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.card-body {
    padding: 1.5rem;
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

/* ========================================================================
   BUTTON STYLING - LIGHT PROFESSIONAL THEME
   ======================================================================== */
.btn {
    font-weight: 500;
    padding: 0.625rem 1.5rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    border: 1px solid transparent;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    cursor: pointer;
}

.btn:hover {
    transform: translateY(-1px);
    text-decoration: none;
}

.btn-primary {
    background: var(--brand-gradient);
    border-color: var(--brand-primary);
    color: white;
    box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--brand-accent) 0%, var(--primary-700) 100%);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background: var(--bg-tertiary);
    border-color: var(--border-medium);
    color: var(--text-secondary);
}

.btn-secondary:hover {
    background: var(--border-medium);
    color: var(--text-primary);
}

.btn-success {
    background: var(--success);
    border-color: var(--success);
    color: white;
    box-shadow: 0 2px 4px rgba(16, 185, 129, 0.2);
}

.btn-success:hover {
    background: #059669;
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.3);
}

.btn-warning {
    background: var(--warning);
    border-color: var(--warning);
    color: white;
    box-shadow: 0 2px 4px rgba(245, 158, 11, 0.2);
}

.btn-warning:hover {
    background: #d97706;
    box-shadow: 0 6px 16px rgba(245, 158, 11, 0.3);
}

.btn-danger {
    background: var(--danger);
    border-color: var(--danger);
    color: white;
    box-shadow: 0 2px 4px rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    background: #dc2626;
    box-shadow: 0 6px 16px rgba(239, 68, 68, 0.3);
}

.btn-outline-primary {
    background: transparent;
    border-color: var(--brand-primary);
    color: var(--brand-primary);
}

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

/* Small button sizing */
.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Large button sizing */
.btn-lg {
    padding: 0.75rem 2rem;
    font-size: 1.125rem;
}

/* ========================================================================
   FORM STYLING - LIGHT PROFESSIONAL THEME
   ======================================================================== */
.form-control,
.form-select {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.15);
    outline: none;
}

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

.form-label {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-text {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Input groups */
.input-group {
    margin-bottom: 1rem;
}

.input-group-text {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    padding: 0.75rem 1rem;
}

/* ========================================================================
   TABLE STYLING - LIGHT PROFESSIONAL THEME
   ======================================================================== */
.table {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table thead th {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-accent) 100%);
    color: var(--text-primary);
    font-weight: 600;
    border-bottom: 2px solid var(--border-light);
    padding: 1rem 1.5rem;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table tbody td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-secondary);
    vertical-align: middle;
}

.table tbody tr:hover {
    background: var(--bg-secondary);
}

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

/* ========================================================================
   ALERT & NOTIFICATION STYLING - FIXED TO PERSIST
   ======================================================================== */
.alert {
    border-radius: var(--radius-lg);
    border: 1px solid transparent;
    padding: 1rem 1.5rem;
    margin-bottom: 1rem;
    font-weight: 500;
    position: relative;
}

/* IMPORTANT: Persistent alert class to prevent auto-hiding */
.alert-persistent {
    /* Persistent alerts stay visible until manually dismissed */
}

.alert-success {
    background: var(--success-bg);
    border-color: var(--success-border);
    color: var(--success-text);
}

.alert-warning {
    background: var(--warning-bg);
    border-color: var(--warning-border);
    color: var(--warning-text);
}

.alert-danger {
    background: var(--danger-bg);
    border-color: var(--danger-border);
    color: var(--danger-text);
}

.alert-info {
    background: var(--info-bg);
    border-color: var(--info-border);
    color: var(--info-text);
}

/* Close button for alerts - styled nicely */
.alert .btn-close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    padding: 0.375rem;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: inherit;
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.alert .btn-close:hover {
    opacity: 1;
    background: rgba(0, 0, 0, 0.05);
}

.alert .btn-close:focus {
    box-shadow: 0 0 0 0.2rem rgba(0, 0, 0, 0.1);
}

/* ========================================================================
   BADGE STYLING
   ======================================================================== */
.badge {
    font-weight: 600;
    font-size: 0.75rem;
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.badge.bg-success { background-color: var(--success) !important; }
.badge.bg-warning { background-color: var(--warning) !important; }
.badge.bg-danger { background-color: var(--danger) !important; }
.badge.bg-info { background-color: var(--info) !important; }
.badge.bg-primary { background-color: var(--brand-primary) !important; }
.badge.bg-secondary { background-color: var(--text-muted) !important; }

/* ========================================================================
   MODAL STYLING
   ======================================================================== */
.modal-content {
    border-radius: var(--radius-lg);
    border: none;
    box-shadow: var(--shadow-xl);
    background: var(--bg-primary);
}

.modal-header {
    border-bottom: 1px solid var(--border-light);
    padding: 1.5rem 2rem;
}

.modal-title {
    font-weight: 600;
    color: var(--text-primary);
}

.modal-body {
    padding: 2rem;
}

.modal-footer {
    border-top: 1px solid var(--border-light);
    padding: 1.5rem 2rem;
    background: var(--bg-secondary);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ========================================================================
   RESPONSIVE MOBILE DESIGN
   ======================================================================== */

/* Mobile Sidebar Overlay */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--z-sticky) - 1);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.sidebar-overlay.show {
    opacity: 1;
    visibility: visible;
}

/* Mobile Sidebar Toggle Button */
.mobile-sidebar-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 56px;
    height: 56px;
    background: var(--brand-primary);
    color: white;
    border: none;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow-lg);
    z-index: calc(var(--z-sticky) + 1);
    transition: all var(--transition-fast);
}

.mobile-sidebar-toggle:hover {
    background: var(--brand-accent);
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

/* Burger Menu Navigation */
.mobile-nav {
    display: none;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    position: absolute;
    top: 100%;
    left: 1rem;
    right: 1rem;
    z-index: var(--z-dropdown);
    padding: 1rem 0;
    margin-top: 0.5rem;
}

.mobile-nav.show {
    display: block;
    animation: slideDown 0.2s ease-out;
}

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

.mobile-nav .nav-link {
    padding: 0.75rem 1.5rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all var(--transition-fast);
}

.mobile-nav .nav-link:hover {
    background: var(--bg-secondary);
    color: var(--brand-primary);
}

.mobile-nav .nav-link i {
    width: 20px;
    text-align: center;
}

.mobile-nav .nav-divider {
    height: 1px;
    background: var(--border-light);
    margin: 0.5rem 1.5rem;
}

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

/* Large Desktop */
@media (min-width: 1200px) {
    .main-content {
        padding: 2.5rem;
    }
    
    .navbar {
        padding: 0.75rem 3rem;
    }
}

/* Desktop */
@media (min-width: 992px) {
    .container-fluid {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

/* Tablet */
@media (max-width: 991.98px) {
    :root {
        --sidebar-width: 0px;
    }
    
    .sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        padding: 1.5rem;
    }
    
    /* Mobile Sidebar Toggle Button - HIDDEN (removed from bottom of page) */
    .mobile-sidebar-toggle {
        display: none !important;
    }
    
    .navbar-brand {
        font-size: 1.25rem;
    }
    
    .page-header {
        padding: 1rem 1.5rem;
    }
    
    .card-body {
        padding: 1.25rem;
    }
    
    .table thead th,
    .table tbody td {
        padding: 0.75rem 1rem;
    }
    
    /* Stack form elements on tablet */
    .row.g-3 .col-md-6 {
        margin-bottom: 1rem;
    }
}

/* Mobile */
@media (max-width: 767.98px) {
    .navbar {
        padding: 0.5rem 1rem;
    }
    
    .navbar-brand {
        font-size: 1.125rem;
    }
    
    .main-content {
        padding: 1rem;
    }
    
    .page-header {
        padding: 1rem;
        text-align: center;
    }
    
    .page-header h1 {
        font-size: 1.5rem;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
        margin-bottom: 0.5rem;
    }
    
    .btn-group .btn {
        width: auto;
    }
    
    .table-responsive {
        border-radius: var(--radius-lg);
    }
    
    .table thead th,
    .table tbody td {
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
    }
    
    /* Mobile form adjustments */
    .form-control,
    .form-select {
        font-size: 1rem; /* Prevent zoom on iOS */
        padding: 0.75rem;
    }
    
    .modal-body {
        padding: 1.5rem;
    }
    
    /* Stack button groups on mobile */
    .btn-toolbar .btn-group {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .btn-toolbar .btn-group .btn {
        flex: 1;
    }
}

/* Small Mobile */
@media (max-width: 575.98px) {
    .navbar {
        padding: 0.5rem 0.75rem;
    }
    
    .main-content {
        padding: 0.75rem;
    }
    
    .page-header {
        padding: 0.75rem;
    }
    
    .card-body {
        padding: 0.75rem;
    }
    
    .mobile-sidebar-toggle {
        bottom: 1rem;
        right: 1rem;
        width: 48px;
        height: 48px;
    }
}

/* ========================================================================
   UTILITY CLASSES
   ======================================================================== */
.text-gradient {
    background: var(--brand-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.shadow-soft {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08) !important;
}

.border-soft {
    border-color: var(--border-light) !important;
}

.bg-gradient-primary {
    background: var(--brand-gradient) !important;
    color: white;
}

.rounded-modern {
    border-radius: var(--radius-lg) !important;
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* ========================================================================
   PRINT STYLES
   ======================================================================== */
@media print {
    .navbar,
    .sidebar,
    .mobile-sidebar-toggle,
    .mobile-nav,
    .btn,
    .pagination,
    .modal {
        display: none !important;
    }
    
    body {
        padding-top: 0 !important;
        font-size: 12pt;
        line-height: 1.4;
        background: white !important;
    }
    
    .main-content {
        margin-left: 0 !important;
        padding: 0 !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
        break-inside: avoid;
    }
    
    .page-header {
        background: white !important;
        border: none !important;
        box-shadow: none !important;
    }
    
    a {
        text-decoration: underline;
        color: #000;
    }
    
    .text-gradient {
        -webkit-text-fill-color: initial;
        color: #000;
    }
}

/* ========================================================================
   ACCESSIBILITY IMPROVEMENTS
   ======================================================================== */

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --border-light: #000;
        --border-medium: #000;
        --text-secondary: #000;
        --bg-secondary: #fff;
    }
}

/* 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;
    }
}

/* Focus visible for better keyboard navigation */
.btn:focus-visible,
.nav-link:focus-visible,
.form-control:focus-visible {
    outline: 2px solid var(--brand-primary);
    outline-offset: 2px;
}

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

.sr-only-focusable:focus {
    position: static;
    width: auto;
    height: auto;
    margin: 0;
    overflow: visible;
    clip: auto;
    white-space: normal;
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--brand-primary);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: var(--radius-md);
    z-index: 1000;
}

.skip-link:focus {
    top: 6px;
}

/* ========================================================================
   COMPONENT-SPECIFIC STYLES
   ======================================================================== */

/* Dashboard stats cards */
.stats-card {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    transition: all var(--transition-fast);
    height: 100%;
}

.stats-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.stats-card .stats-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--brand-primary);
    margin-bottom: 0.5rem;
}

.stats-card .stats-label {
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.875rem;
}

/* Status indicators */
.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.875rem;
}

.status-indicator::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: block;
}

.status-indicator.status-success {
    background: var(--success-bg);
    color: var(--success-text);
}

.status-indicator.status-success::before {
    background: var(--success);
}

.status-indicator.status-warning {
    background: var(--warning-bg);
    color: var(--warning-text);
}

.status-indicator.status-warning::before {
    background: var(--warning);
}

.status-indicator.status-danger {
    background: var(--danger-bg);
    color: var(--danger-text);
}

.status-indicator.status-danger::before {
    background: var(--danger);
}

.status-indicator.status-info {
    background: var(--info-bg);
    color: var(--info-text);
}

.status-indicator.status-info::before {
    background: var(--info);
}

/* Progress bars */
.progress {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.progress-bar {
    background: var(--brand-gradient);
    transition: width 0.6s ease;
}

/* File upload area */
.file-upload-area {
    border: 2px dashed var(--border-medium);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    background: var(--bg-secondary);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.file-upload-area:hover {
    border-color: var(--brand-primary);
    background: var(--primary-50);
}

.file-upload-area.dragover {
    border-color: var(--brand-primary);
    background: var(--primary-50);
    transform: scale(1.02);
}

/* Pagination */
.pagination {
    gap: 0.25rem;
}

.pagination .page-link {
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    padding: 0.5rem 0.75rem;
    margin: 0 0.125rem;
    transition: all var(--transition-fast);
}

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

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

/* Breadcrumb */
.breadcrumb {
    background: transparent;
    margin-bottom: 1rem;
    padding: 0;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "›";
    color: var(--text-muted);
    font-weight: 600;
}

.breadcrumb-item a {
    color: var(--text-secondary);
    text-decoration: none;
}

.breadcrumb-item a:hover {
    color: var(--brand-primary);
}

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

/* Footer */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-light);
    padding: 2rem 0;
    margin-top: auto;
    color: var(--text-secondary);
}

.footer a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer a:hover {
    color: var(--brand-primary);
}

/* ========================================================================
   CUSTOM ANIMATIONS
   ======================================================================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

.slide-up {
    animation: slideUp 0.5s ease-out;
}

.pulse {
    animation: pulse 2s infinite;
}

/* Loading spinner */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.spinner {
    animation: spin 1s linear infinite;
}

/* ========================================================================
   END OF STYLESHEET
   ======================================================================== */
/* ========================================================================
   PROFESSIONAL ENHANCEMENTS - BUTTONS, CARDS, FORMS
   ======================================================================== */

/* Professional Button Styling */
.btn {
    font-weight: 600;
    text-transform: none;
    letter-spacing: 0.01em;
    border-radius: var(--radius-md);
    padding: 0.625rem 1.25rem;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-primary {
    background: var(--brand-gradient);
    border: none;
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
}

.btn-success {
    background: linear-gradient(135deg, #065f46 0%, #059669 100%);
    border: none;
}

.btn-danger {
    background: linear-gradient(135deg, #991b1b 0%, #dc2626 100%);
    border: none;
}

.btn-warning {
    background: linear-gradient(135deg, #92400e 0%, #d97706 100%);
    border: none;
}

.btn-info {
    background: linear-gradient(135deg, #0e7490 0%, #0891b2 100%);
    border: none;
}

/* Professional Card Styling */
.card {
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    background: var(--bg-card);
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-header {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-bottom: 2px solid var(--border-light);
    font-weight: 600;
    color: var(--text-primary);
    padding: 1rem 1.5rem;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-light);
    padding: 1rem 1.5rem;
}

/* Professional Form Styling */
.form-control,
.form-select {
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    padding: 0.625rem 1rem;
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
    background: var(--bg-primary);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 0.2rem rgba(30, 64, 175, 0.15);
    background: white;
}

.form-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    letter-spacing: 0.01em;
}

/* Professional Table Styling */
.table {
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.table thead th {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    color: var(--text-primary);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--border-medium);
    padding: 1rem;
}

.table tbody tr {
    transition: all var(--transition-fast);
}

.table tbody tr:hover {
    background: var(--bg-secondary);
}

.table tbody td {
    padding: 1rem;
    vertical-align: middle;
    color: var(--text-secondary);
}

/* Professional Badge Styling */
.badge {
    font-weight: 700;
    font-size: 0.7rem;
    padding: 0.35rem 0.65rem;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: var(--shadow-sm);
}

/* Professional Alert Styling */
.alert {
    border-radius: var(--radius-lg);
    border: 1px solid;
    padding: 1rem 1.25rem;
    box-shadow: var(--shadow-sm);
    font-weight: 500;
}

.alert-success {
    background: var(--success-bg);
    border-color: var(--success-border);
    color: var(--success-text);
}

.alert-danger {
    background: var(--danger-bg);
    border-color: var(--danger-border);
    color: var(--danger-text);
}

.alert-warning {
    background: var(--warning-bg);
    border-color: var(--warning-border);
    color: var(--warning-text);
}

.alert-info {
    background: var(--info-bg);
    border-color: var(--info-border);
    color: var(--info-text);
}

/* Professional Page Header */
.page-header {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    border-bottom: 2px solid var(--border-light);
    padding: 1.5rem 2rem;
    margin-bottom: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.page-header h1 {
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    font-size: 1.75rem;
}

/* Professional Stats Cards */
.stats-card {
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-secondary) 100%);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.stats-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--brand-primary);
}

.stats-card .stats-number {
    font-size: 2.25rem;
    font-weight: 800;
    background: var(--brand-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stats-card .stats-label {
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.875rem;
}

/* Professional Main Content Background */
.main-content {
    background: var(--bg-secondary);
}

/* Professional Navbar Enhancement */
.navbar {
    background: var(--header-bg) !important;
    backdrop-filter: blur(16px) !important;
    border-bottom: 2px solid var(--header-border) !important;
    box-shadow: var(--header-shadow) !important;
}

.navbar-brand {
    font-weight: 800;
    color: var(--brand-primary) !important;
    letter-spacing: -0.02em;
}

/* ========================================================================
   FILTER TABS - MOBILE RESPONSIVE
   ======================================================================== */

/* Filter tabs wrapper - flex wrap for mobile responsiveness */
.filter-tabs-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: flex-start;
}

/* Filter tab buttons - base styling */
.filter-tab-btn {
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.filter-tab-btn .badge {
    font-size: 0.7rem;
    padding: 0.25rem 0.5rem;
}

/* Desktop view - all tabs in one row */
@media (min-width: 992px) {
    .filter-tabs-wrapper {
        justify-content: space-between;
    }
    
    .filter-tab-btn {
        flex: 1;
        justify-content: center;
        text-align: center;
    }
}

/* Tablet view - wrap to 2-3 per row */
@media (max-width: 991.98px) and (min-width: 576px) {
    .filter-tabs-wrapper {
        justify-content: center;
    }
    
    .filter-tab-btn {
        flex: 0 1 auto;
        min-width: 140px;
    }
}

/* Mobile view - stack vertically, full width */
@media (max-width: 575.98px) {
    .filter-tabs-wrapper {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .filter-tab-btn {
        width: 100%;
        justify-content: center;
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
    
    .filter-tab-btn .filter-tab-text {
        flex: 1;
    }
    
    .filter-tab-btn .badge {
        margin-left: auto;
    }
}

/* Active state enhancements */
.filter-tab-btn.active {
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

/* ========================================================================
   END OF FILTER TABS
   ======================================================================== */

/* ========================================================================
   END OF PROFESSIONAL ENHANCEMENTS
   ======================================================================== */

/* ========================================================================
   LOGOUT BUTTON FIX - HIGH VISIBILITY
   ======================================================================== */

/* Navbar Dropdown Logout Link */
.navbar .dropdown-item.text-danger,
.dropdown-item.text-danger,
a.text-danger.dropdown-item {
    color: #dc2626 !important;
    background-color: transparent !important;
    font-weight: 600;
}

.navbar .dropdown-item.text-danger:hover,
.dropdown-item.text-danger:hover,
a.text-danger.dropdown-item:hover {
    background-color: #fee2e2 !important;
    color: #991b1b !important;
}

/* Sidebar Logout Links */
.sidebar .nav-link.text-danger,
.sidebar a.text-danger {
    color: #fca5a5 !important;
    font-weight: 600;
}

.sidebar .nav-link.text-danger:hover,
.sidebar a.text-danger:hover {
    color: #ffffff !important;
    background-color: rgba(220, 38, 38, 0.2) !important;
}

/* Admin Sidebar Logout */
#adminSidebar .nav-link.text-danger,
#adminSidebar a.text-danger {
    color: #fca5a5 !important;
}

#adminSidebar .nav-link.text-danger:hover,
#adminSidebar a.text-danger:hover {
    color: #ffffff !important;
    background-color: rgba(220, 38, 38, 0.3) !important;
}

/* Business Sidebar Logout */
#businessSidebar .nav-link.text-danger,
#businessSidebar a.text-danger {
    color: #fca5a5 !important;
}

#businessSidebar .nav-link.text-danger:hover,
#businessSidebar a.text-danger:hover {
    color: #ffffff !important;
    background-color: rgba(220, 38, 38, 0.3) !important;
}

/* Tester Sidebar Logout */
#testerSidebar .nav-link.text-danger,
#testerSidebar a.text-danger {
    color: #fca5a5 !important;
}

#testerSidebar .nav-link.text-danger:hover,
#testerSidebar a.text-danger:hover {
    color: #ffffff !important;
    background-color: rgba(220, 38, 38, 0.3) !important;
}

/* Bug Reviewer Sidebar Logout */
#bugReviewerSidebar .nav-link.text-danger,
#bugReviewerSidebar a.text-danger {
    color: #fca5a5 !important;
}

#bugReviewerSidebar .nav-link.text-danger:hover,
#bugReviewerSidebar a.text-danger:hover {
    color: #ffffff !important;
    background-color: rgba(220, 38, 38, 0.3) !important;
}

/* Force visibility on all logout links */
a[href="logout.php"],
a[href="/logout.php"],
.logout-link {
    color: #dc2626 !important;
    font-weight: 600 !important;
}

/* Navbar logout specifically */
.navbar a[href="logout.php"],
.navbar a[href="/logout.php"] {
    color: #dc2626 !important;
    background-color: transparent !important;
}

.navbar a[href="logout.php"]:hover,
.navbar a[href="/logout.php"]:hover {
    color: #991b1b !important;
    background-color: #fee2e2 !important;
}

/* ========================================================================
   END LOGOUT BUTTON FIX
   ======================================================================== */