/* ============================================
   ERP AMIC - Modern Professional UI
   ============================================ */

/* Priority Badge Colors - Based on Importance */
.badge-priority-critical {
    background: linear-gradient(135deg, #dc2626 0%, #991b1b 100%);
    color: white;
    font-weight: 700;
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

.badge-priority-urgent {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
    font-weight: 700;
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

.badge-priority-high {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    font-weight: 700;
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

.badge-priority-medium {
    background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
    color: white;
    font-weight: 600;
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

.badge-priority-low {
    background: linear-gradient(135deg, #9ca3af 0%, #6b7280 100%);
    color: white;
    font-weight: 500;
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

/* ===== CSS Variables ===== */
:root {
    /* Primary Colors - Modern Indigo */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --primary-lighter: #a5b4fc;
    
    /* Accent Colors */
    --accent: #10b981;
    --accent-dark: #059669;
    --accent-light: #34d399;
    --warning: #f59e0b;
    --warning-dark: #d97706;
    --danger: #ef4444;
    --danger-dark: #dc2626;
    --info: #06b6d4;
    --info-dark: #0891b2;
    
    /* Neutral Colors - Modern Grays */
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-400: #a3a3a3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;
    
    /* Background */
    --bg-primary: #ffffff;
    --bg-secondary: #fafafa;
    --bg-tertiary: #f5f5f5;
    --bg-overlay: rgba(0, 0, 0, 0.05);
    
    /* Text - High Contrast */
    --text-primary: #171717;
    --text-secondary: #525252;
    --text-tertiary: #737373;
    --text-inverse: #ffffff;
    --text-on-primary: #ffffff;
    --text-on-accent: #ffffff;
    
    /* Borders */
    --border-color: #e5e7eb;
    --border-radius: 0.75rem;
    --border-radius-sm: 0.5rem;
    --border-radius-lg: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease-in-out;
    
    /* AImart specific - maintain compatibility */
    --color-primary: var(--primary);
    --color-primary-dark: var(--primary-dark);
    --color-gray-50: var(--gray-50);
    --color-gray-100: var(--gray-100);
    --color-gray-200: var(--gray-200);
    --color-gray-300: var(--gray-300);
    --color-gray-400: var(--gray-400);
    --color-gray-500: var(--gray-500);
    --color-gray-600: var(--gray-600);
    --color-gray-700: var(--gray-700);
    --color-gray-800: var(--gray-800);
    --color-gray-900: var(--gray-900);
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --spacing-1: var(--spacing-xs);
    --spacing-2: var(--spacing-sm);
    --spacing-3: var(--spacing-md);
    --spacing-4: var(--spacing-lg);
    --spacing-6: var(--spacing-xl);
    --spacing-8: var(--spacing-2xl);
    --radius-md: var(--border-radius-sm);
    --radius-lg: var(--border-radius);
    --radius-xl: var(--border-radius-lg);
}

/* ===== Reset & Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

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

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition-fast);
    font-weight: 500;
}

a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* ===== Sidebar Navigation ===== */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    width: 280px;
    background: var(--bg-primary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.sidebar-logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.brand-text {
    font-weight: 800;
    letter-spacing: -0.02em;
}

.sidebar-toggle {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 36px;
    height: 36px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
}

.sidebar-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--spacing-md) 0;
}

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

.sidebar-nav::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

.sidebar-nav::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 3px;
}

.sidebar-nav::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

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

.nav-item {
    margin: 0.25rem var(--spacing-md);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    color: var(--gray-700);
    font-weight: 500;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
    text-decoration: none;
}

.nav-item.has-submenu {
    position: relative;
}

.nav-item.has-submenu > .nav-link {
    cursor: pointer;
}

.submenu-arrow {
    margin-left: auto;
    font-size: 0.75rem;
    transition: transform 0.3s ease;
}

.nav-item.has-submenu.active .submenu-arrow {
    transform: rotate(180deg);
}

.submenu {
    list-style: none;
    padding: 0;
    margin: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
    margin-top: 0.25rem;
}

.nav-item.has-submenu.active .submenu {
    max-height: 500px;
    padding: 0.25rem 0;
}

.submenu .nav-item {
    margin: 0;
    padding: 0 var(--spacing-sm);
}

.submenu .nav-link {
    padding: var(--spacing-sm) var(--spacing-md);
    padding-left: calc(var(--spacing-md) + 20px + var(--spacing-md));
    font-size: 0.9rem;
    color: var(--gray-600);
}

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

.submenu .nav-link.active {
    background: transparent;
    color: var(--primary);
    font-weight: 600;
    border: 1px solid var(--primary);
    border-radius: 6px;
}

.nav-link i {
    width: 20px;
    text-align: center;
    font-size: 1.125rem;
}

.nav-link:hover {
    color: var(--primary-dark);
    background-color: rgba(99, 102, 241, 0.08);
}

.nav-link.active {
    color: var(--primary-dark);
    background-color: transparent;
    font-weight: 600;
    border-left: 3px solid var(--primary);
    border-right: 1px solid var(--primary);
    border-top: 1px solid var(--primary);
    border-bottom: 1px solid var(--primary);
    border-radius: 6px;
}

.sidebar-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.user-details {
    flex: 1;
    min-width: 0;
}

.user-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: capitalize;
}

.user-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.user-action-btn {
    flex: 1;
    padding: var(--spacing-sm);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    text-align: center;
    transition: var(--transition-fast);
    text-decoration: none;
}

.user-action-btn:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* ===== Top Navigation Bar ===== */
.top-navbar {
    position: sticky;
    top: 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    z-index: 999;
    height: 64px;
}

.top-navbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    height: 100%;
}

.top-navbar-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex: 0 0 auto;
}

.top-navbar-center {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    flex: 1;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.sidebar-toggle-mobile {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

.sidebar-toggle-mobile:hover {
    background: var(--bg-secondary);
}

.top-nav-logo {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.page-title-top {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-dark);
    margin: 0;
    letter-spacing: -0.02em;
}

.top-navbar-right {
    display: flex;
    align-items: center;
    flex: 0 0 auto;
    margin-left: auto;
}

.top-navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.top-nav-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 500;
    font-size: 0.875rem;
}

.top-nav-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary);
    color: var(--primary-dark);
}

.user-menu-dropdown {
    position: relative;
}

.user-menu-btn {
    min-width: 120px;
}

.user-name-short {
    display: inline-block;
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-menu-dropdown .dropdown-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 200px;
    display: none;
    animation: fadeIn 0.2s ease-out;
}

.user-menu-dropdown.active .dropdown-menu {
    display: block;
}

/* ===== Main Wrapper ===== */
.main-wrapper {
    margin-left: 280px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.main-content {
    flex: 1;
    background: var(--bg-secondary);
}

.flash-messages {
    padding: var(--spacing-md) var(--spacing-lg);
}

/* ===== Sidebar Overlay (Mobile) ===== */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.sidebar-overlay.active {
    display: block;
    opacity: 1;
}

/* ===== Responsive Sidebar ===== */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
        box-shadow: var(--shadow-xl);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .sidebar.active ~ .sidebar-overlay {
        display: block;
        opacity: 1;
    }
    
    .main-wrapper {
        margin-left: 0;
    }
    
    .sidebar-toggle-mobile {
        display: block;
    }
    
    .sidebar-toggle {
        display: none;
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 260px;
    }
    
    .top-navbar-center {
        position: static;
        transform: none;
        flex: 1;
        justify-content: center;
    }
    
    .page-title-top {
        font-size: 1.25rem;
    }
    
    .top-nav-logo {
        width: 32px;
        height: 32px;
    }
    
    .user-name-short {
        display: none;
    }
    
    .top-nav-btn {
        padding: var(--spacing-sm);
    }
}

/* ===== Cards ===== */
.card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    overflow: hidden;
}

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

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    color: var(--gray-800);
}

.card-body {
    padding: var(--spacing-lg);
}

.card-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.5;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: var(--text-on-primary);
    border: 1px solid var(--primary);
}

.btn-primary:hover {
    background: var(--primary-dark);
    color: var(--text-on-primary);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-success {
    background: var(--accent);
    color: var(--text-on-accent);
    border: 1px solid var(--accent);
}

.btn-success:hover {
    background: var(--accent-dark);
    color: var(--text-on-accent);
    border-color: var(--accent-dark);
}

.btn-danger {
    background: var(--danger);
    color: var(--text-on-accent);
    border: 1px solid var(--danger);
}

.btn-danger:hover {
    background: var(--danger-dark);
    color: var(--text-on-accent);
    border-color: var(--danger-dark);
}

.btn-warning {
    background: var(--warning);
    color: var(--text-on-accent);
    border: 1px solid var(--warning);
}

.btn-warning:hover {
    background: var(--warning-dark);
    color: var(--text-on-accent);
    border-color: var(--warning-dark);
}

.btn-secondary {
    background: var(--gray-200);
    color: var(--text-primary);
    border: 1px solid var(--gray-300);
}

.btn-secondary:hover {
    background: var(--gray-300);
    color: var(--text-primary);
    border-color: var(--gray-400);
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

/* ===== Forms ===== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
}

.form-control,
.form-input {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

.form-control:focus,
.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    background-color: var(--bg-primary);
}

.form-control::placeholder,
.form-input::placeholder {
    color: var(--text-tertiary);
}

.form-select {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
    cursor: pointer;
}

.form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    background-color: var(--bg-primary);
}

.form-error {
    color: var(--danger);
    font-size: 0.75rem;
    margin-top: var(--spacing-xs);
    display: block;
}

/* ===== Tables ===== */
.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-primary);
}

.table thead {
    background: var(--bg-secondary);
}

.table th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    color: var(--gray-800);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--border-color);
    background: var(--bg-secondary);
}

.table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

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

.table tbody tr:hover {
    background: rgba(99, 102, 241, 0.04);
}

.table-responsive {
    overflow-x: auto;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.table-container {
    overflow-x: auto;
}

.table-actions {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
}

.table-action-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
}

.table-action-btn:hover {
    background: var(--bg-secondary);
    color: var(--primary);
}

.table-action-btn.danger:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

/* ===== Badges ===== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 9999px;
    white-space: nowrap;
}

.badge-primary {
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-dark);
    border: 1px solid rgba(99, 102, 241, 0.3);
    font-weight: 600;
}

.badge-success {
    background: rgba(16, 185, 129, 0.15);
    color: #047857;
    border: 1px solid rgba(16, 185, 129, 0.3);
    font-weight: 600;
}

.badge-warning {
    background: rgba(245, 158, 11, 0.15);
    color: #b45309;
    border: 1px solid rgba(245, 158, 11, 0.3);
    font-weight: 600;
}

.badge-danger {
    background: rgba(239, 68, 68, 0.15);
    color: #b91c1c;
    border: 1px solid rgba(239, 68, 68, 0.3);
    font-weight: 600;
}

.badge-secondary {
    background: var(--gray-200);
    color: var(--gray-800);
    border: 1px solid var(--gray-300);
    font-weight: 600;
}

.badge-info {
    background: rgba(6, 182, 212, 0.15);
    color: #0e7490;
    border: 1px solid rgba(6, 182, 212, 0.3);
    font-weight: 600;
}

/* ===== Alerts ===== */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-sm);
    border: 1px solid;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.alert-success {
    background: rgba(16, 185, 129, 0.12);
    border-color: var(--accent);
    border-left-width: 4px;
    color: #047857;
    font-weight: 500;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.12);
    border-color: var(--danger);
    border-left-width: 4px;
    color: #b91c1c;
    font-weight: 500;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.12);
    border-color: var(--warning);
    border-left-width: 4px;
    color: #b45309;
    font-weight: 500;
}

.alert-info {
    background: rgba(6, 182, 212, 0.12);
    border-color: var(--info);
    border-left-width: 4px;
    color: #0e7490;
    font-weight: 500;
}

/* ===== Progress Bars ===== */
.progress {
    height: 0.75rem;
    background: var(--bg-tertiary);
    border-radius: 9999px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 50%, var(--primary-lighter) 100%);
    border-radius: 9999px;
    transition: width 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-on-primary);
    font-size: 0.75rem;
    font-weight: 600;
    box-shadow: 0 2px 4px rgba(99, 102, 241, 0.2);
}

/* ===== Statistics Cards ===== */
.stat-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-light) 100%);
}

.stat-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    position: relative;
    z-index: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    position: relative;
    z-index: 1;
}

.stat-icon {
    position: absolute;
    right: var(--spacing-lg);
    top: var(--spacing-lg);
    font-size: 3rem;
    opacity: 0.15;
    color: var(--primary);
    z-index: 0;
}

/* ===== Layout ===== */
.container-fluid {
    width: 100%;
    padding: 0;
    margin: 0 auto;
    max-width: 1400px;
}

.page-header {
    margin-bottom: var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin: 0;
}

.page-actions {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

/* ===== Utilities ===== */
.text-primary { color: var(--primary-dark); font-weight: 600; }
.text-success { color: #047857; font-weight: 600; }
.text-danger { color: #b91c1c; font-weight: 600; }
.text-warning { color: #b45309; font-weight: 600; }
.text-info { color: #0e7490; font-weight: 600; }
.text-secondary { color: var(--text-secondary); }

.bg-primary { background-color: var(--primary); }
.bg-success { background-color: var(--accent); }
.bg-danger { background-color: var(--danger); }
.bg-warning { background-color: var(--warning); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: var(--shadow); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

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

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

/* ===== Loading States ===== */
.loading {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .container-fluid {
        padding: 0 var(--spacing-md);
    }
    
    .page-title {
        font-size: 1.5rem;
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
    
    .card-body {
        padding: var(--spacing-md);
    }
    
    .table {
        font-size: 0.875rem;
    }
    
    .table th,
    .table td {
        padding: var(--spacing-sm);
    }
}

/* ===== Animations ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

/* ===== Footer ===== */
footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-left: 280px;
    transition: var(--transition);
}

@media (max-width: 1024px) {
    footer {
        margin-left: 0;
    }
}

/* ===== Dropdown ===== */
.dropdown-menu {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-xs);
    min-width: 200px;
    margin-top: var(--spacing-xs);
}

.dropdown-item {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    font-size: 0.875rem;
}

.dropdown-item:hover {
    background: rgba(99, 102, 241, 0.08);
    color: var(--primary-dark);
}

.dropdown-item.text-danger:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-dark);
}

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: var(--spacing-xs) 0;
}

/* ===== Pagination ===== */
.pagination {
    display: flex;
    gap: var(--spacing-xs);
    justify-content: center;
    align-items: center;
}

.page-link {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: var(--transition-fast);
}

.page-link:hover {
    background: var(--bg-secondary);
    border-color: var(--primary);
    color: var(--primary-dark);
    font-weight: 600;
}

.page-item.active .page-link {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--text-on-primary);
    font-weight: 600;
}

.page-item.disabled .page-link {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ===== Empty States ===== */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 4rem;
    color: var(--gray-400);
    margin-bottom: var(--spacing-md);
}

.empty-state-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.empty-state-text {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* ===== Table Controls ===== */
.table-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.table-search {
    position: relative;
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 200px;
}

.table-search i {
    position: absolute;
    left: var(--spacing-md);
    color: var(--text-tertiary);
}

.table-search input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md) var(--spacing-sm) calc(var(--spacing-md) * 2 + 16px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
}

.table-filters {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

/* ===== Modern Toast Notifications ===== */
.toast-container {
    position: fixed;
    top: 80px;
    right: var(--spacing-lg);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: 420px;
    width: 100%;
    pointer-events: none;
}

.toast {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15), 0 4px 12px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    pointer-events: auto;
    animation: slideInRight 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
    min-width: 320px;
    max-width: 420px;
}

.toast::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--primary);
    border-radius: var(--border-radius) 0 0 var(--border-radius);
}

.toast-success::before {
    background: linear-gradient(180deg, #10b981 0%, #059669 100%);
}

.toast-error::before,
.toast-danger::before {
    background: linear-gradient(180deg, #ef4444 0%, #dc2626 100%);
}

.toast-warning::before {
    background: linear-gradient(180deg, #f59e0b 0%, #d97706 100%);
}

.toast-info::before {
    background: linear-gradient(180deg, #3b82f6 0%, #2563eb 100%);
}

.toast-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    color: white;
    position: relative;
}

.toast-success .toast-icon {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2) 0%, rgba(5, 150, 105, 0.15) 100%);
    color: #10b981;
}

.toast-error .toast-icon,
.toast-danger .toast-icon {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.2) 0%, rgba(220, 38, 38, 0.15) 100%);
    color: #ef4444;
}

.toast-warning .toast-icon {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.2) 0%, rgba(217, 119, 6, 0.15) 100%);
    color: #f59e0b;
}

.toast-info .toast-icon {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2) 0%, rgba(37, 99, 235, 0.15) 100%);
    color: #3b82f6;
}

.toast-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.toast-title {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-primary);
    line-height: 1.4;
}

.toast-message {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.toast-close {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--text-tertiary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    font-size: 1rem;
    padding: 0;
}

.toast-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
    transform: rotate(90deg);
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* Responsive Toast Container */
@media (max-width: 768px) {
    .toast-container {
        right: var(--spacing-md);
        left: var(--spacing-md);
        max-width: none;
    }
    
    .toast {
        min-width: auto;
        max-width: none;
    }
}