/**
 * Main CSS File
 * File: assets/css/main.css
 * Base URL: https://www.vietnamcos.com/scam-report/
 * Design: BoilerplateHub-inspired Clean Card Directory
 */

/* CSS Reset and Base Styles */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: #1a1a1a;
    background-color: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* CSS Variables */
:root {
    /* Colors */
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #dbeafe;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --danger-color: #dc2626;
    
    /* Grays */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Typography */
    --font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-family-mono: 'SF Mono', Monaco, Inconsolata, 'Roboto Mono', Consolas, monospace;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
    
    /* Breakpoints (for reference) */
    --breakpoint-sm: 640px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
    --breakpoint-2xl: 1536px;
    
    /* 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;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .container {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 2rem;
    }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.25;
    margin-bottom: 0.5em;
    color: var(--gray-900);
}

h1 {
    font-size: 2.25rem;
    font-weight: 700;
}

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: 1rem;
    color: var(--gray-700);
}

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

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

small {
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.25;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    user-select: none;
    white-space: nowrap;
}

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

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    color: white;
}

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

.btn-outline:hover:not(:disabled) {
    background-color: var(--primary-color);
    color: white;
}

.btn-secondary {
    background-color: var(--gray-100);
    color: var(--gray-700);
    border-color: var(--gray-300);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--gray-200);
    color: var(--gray-800);
}

.btn-danger {
    background-color: var(--error-color);
    color: white;
    border-color: var(--error-color);
}

.btn-danger:hover:not(:disabled) {
    background-color: var(--danger-color);
    border-color: var(--danger-color);
}

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

.btn-large {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

.btn-xl {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

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

.form-control {
    display: block;
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--gray-900);
    background-color: white;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-control::placeholder {
    color: var(--gray-400);
}

.form-control:disabled {
    background-color: var(--gray-100);
    opacity: 1;
}

.form-control.is-invalid {
    border-color: var(--error-color);
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

.form-textarea {
    resize: vertical;
    min-height: 6rem;
}

.form-error {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: var(--error-color);
}

.form-help {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* Checkboxes and Radios */
.form-check {
    display: flex;
    align-items: flex-start;
    margin-bottom: 0.75rem;
}

.form-check-input {
    margin-right: 0.5rem;
    margin-top: 0.25rem;
}

.form-check-label {
    font-size: 0.875rem;
    color: var(--gray-700);
    cursor: pointer;
}

/* Cards */
.card {
    background-color: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-normal), transform var(--transition-normal);
}

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

.card-header {
    padding: 1.5rem 1.5rem 0;
    border-bottom: 1px solid var(--gray-200);
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    padding: 0 1.5rem 1.5rem;
    border-top: 1px solid var(--gray-200);
}

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

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

.badge-secondary {
    background-color: var(--gray-100);
    color: var(--gray-600);
}

.badge-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.badge-warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.badge-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
}

/* Loading and Utility Classes */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.hidden {
    display: none !important;
}

.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;
}

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

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

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

.text-muted {
    color: var(--gray-500);
}

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

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

.text-error {
    color: var(--error-color);
}

/* Flexbox utilities */
.d-flex {
    display: flex;
}

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

.justify-content-center {
    justify-content: center;
}

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

.gap-1 {
    gap: 0.25rem;
}

.gap-2 {
    gap: 0.5rem;
}

.gap-3 {
    gap: 0.75rem;
}

.gap-4 {
    gap: 1rem;
}

/* Spacing utilities */
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-5 { margin-top: 1.25rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-5 { margin-bottom: 1.25rem; }

.pt-1 { padding-top: 0.25rem; }
.pt-2 { padding-top: 0.5rem; }
.pt-3 { padding-top: 0.75rem; }
.pt-4 { padding-top: 1rem; }
.pt-5 { padding-top: 1.25rem; }

.pb-1 { padding-bottom: 0.25rem; }
.pb-2 { padding-bottom: 0.5rem; }
.pb-3 { padding-bottom: 0.75rem; }
.pb-4 { padding-bottom: 1rem; }
.pb-5 { padding-bottom: 1.25rem; }

/* Header Styles */
.header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background-color: white;
    border-bottom: 1px solid var(--gray-200);
}

.top-bar {
    background-color: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    padding: 0.5rem 0;
    font-size: 0.875rem;
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.stats-ticker {
    display: flex;
    gap: 2rem;
}

.stat-item {
    color: var(--gray-600);
    white-space: nowrap;
}

.stat-item strong {
    color: var(--gray-900);
    font-weight: 600;
}

.top-bar-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.language-switcher {
    position: relative;
}

.language-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.5rem;
    background: none;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.8125rem;
    color: var(--gray-700);
    transition: all var(--transition-fast);
}

.language-btn:hover {
    background-color: var(--gray-100);
}

.language-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 140px;
    z-index: var(--z-dropdown);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: all var(--transition-fast);
}

.language-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    color: var(--gray-700);
    text-decoration: none;
    font-size: 0.875rem;
    transition: background-color var(--transition-fast);
}

.language-option:hover {
    background-color: var(--gray-50);
    color: var(--gray-900);
}

.flag {
    width: 16px;
    height: 12px;
    background-size: cover;
    border-radius: 2px;
}

.flag-vi {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 3 2'%3E%3Crect width='3' height='2' fill='%23da020e'/%3E%3Cpolygon points='1.5,0.4 1.95,0.9 1.35,0.9' fill='%23ffff00'/%3E%3C/svg%3E");
}

.flag-en {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 60 30'%3E%3Crect width='60' height='30' fill='%23012169'/%3E%3Cpath d='M0,0 L60,30 M60,0 L0,30' stroke='%23fff' stroke-width='6'/%3E%3Cpath d='M0,0 L60,30 M60,0 L0,30' stroke='%23C8102E' stroke-width='4'/%3E%3C/svg%3E");
}

.donation-link {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.75rem;
    background-color: var(--accent-color);
    color: white;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.donation-link:hover {
    background-color: #d97706;
    color: white;
    transform: translateY(-1px);
}

/* Navbar Styles */
.navbar {
    padding: 1rem 0;
}

.navbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.navbar-brand .logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    text-decoration: none;
}

.logo-text strong {
    color: var(--primary-color);
}

.quick-search {
    flex: 1;
    max-width: 400px;
    margin: 0 2rem;
}

.search-input-group {
    position: relative;
    display: flex;
}

.search-input {
    flex: 1;
    padding: 0.75rem 1rem;
    padding-right: 3rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.search-btn {
    position: absolute;
    right: 0.25rem;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.search-btn:hover {
    color: var(--primary-color);
    background-color: var(--primary-light);
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    color: var(--gray-600);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background-color: var(--primary-light);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* User Menu */
.user-menu {
    position: relative;
}

.user-menu-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem;
    background: none;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.user-menu-btn:hover {
    background-color: var(--gray-50);
    border-color: var(--gray-400);
}

.user-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 600;
}

.user-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    width: 280px;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-dropdown);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-normal);
    margin-top: 0.5rem;
}

.user-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background-color: var(--gray-50);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.user-avatar-large {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-size: 1rem;
    font-weight: 600;
}

.user-details strong {
    display: block;
    font-size: 0.9375rem;
    color: var(--gray-900);
}

.user-details small {
    color: var(--gray-500);
    font-size: 0.8125rem;
}

.user-menu-divider {
    height: 1px;
    background-color: var(--gray-200);
    margin: 0.5rem 0;
}

.user-menu-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--gray-700);
    text-decoration: none;
    font-size: 0.875rem;
    transition: background-color var(--transition-fast);
}

.user-menu-item:hover {
    background-color: var(--gray-50);
    color: var(--gray-900);
}

.user-menu-item.admin-link {
    color: var(--accent-color);
}

.user-menu-item.logout-link {
    color: var(--error-color);
}

.user-menu-item.logout-link:hover {
    background-color: rgba(239, 68, 68, 0.05);
}

/* Auth Links */
.auth-links {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.auth-link {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.login-link {
    color: var(--gray-700);
}

.login-link:hover {
    color: var(--primary-color);
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 2.5rem;
    height: 2.5rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
}

.hamburger-line {
    width: 20px;
    height: 2px;
    background-color: var(--gray-600);
    margin: 2px 0;
    transition: all var(--transition-fast);
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background: white;
    box-shadow: var(--shadow-xl);
    z-index: var(--z-modal);
    transition: right var(--transition-normal);
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

body.mobile-menu-open {
    overflow: hidden;
}

.mobile-menu-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
}

.mobile-search-form .search-input-group {
    width: 100%;
}

.mobile-menu-content {
    padding: 1rem 0;
}

.mobile-nav-links {
    padding: 0 1rem;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    color: var(--gray-700);
    text-decoration: none;
    font-size: 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 0.25rem;
    transition: all var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    background-color: var(--primary-light);
    color: var(--primary-color);
}

.mobile-nav-link.logout-link {
    color: var(--error-color);
}

.mobile-nav-link.logout-link:hover {
    background-color: rgba(239, 68, 68, 0.1);
}

.mobile-menu-stats {
    padding: 1rem;
    border-top: 1px solid var(--gray-200);
    margin-top: 1rem;
}

.stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.stat-grid .stat-item {
    text-align: center;
    padding: 1rem;
    background-color: var(--gray-50);
    border-radius: var(--radius-md);
}

.stat-grid .stat-item strong {
    display: block;
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.stat-grid .stat-item span {
    font-size: 0.75rem;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Responsive Design */
@media (max-width: 1023px) {
    .quick-search {
        display: none;
    }
}

@media (max-width: 767px) {
    .top-bar {
        display: none;
    }
    
    .navbar-nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .stats-ticker {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .stats-ticker .stat-item {
        font-size: 0.8125rem;
    }
}

/* Notifications */
.notification-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: var(--z-toast);
    max-width: 400px;
}

.notification {
    display: flex;
    align-items: flex-start;
    padding: 1rem;
    margin-bottom: 0.5rem;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--gray-300);
    animation: slideInRight 0.3s ease-out;
}

.notification.success {
    border-left-color: var(--success-color);
}

.notification.error {
    border-left-color: var(--error-color);
}

.notification.warning {
    border-left-color: var(--warning-color);
}

.notification-content {
    flex: 1;
    margin-right: 0.5rem;
}

.notification-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--gray-900);
}

.notification-message {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin: 0;
}

.notification-close {
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.notification-close:hover {
    color: var(--gray-600);
    background-color: var(--gray-100);
}

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

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    backdrop-filter: blur(2px);
}

.loading-spinner {
    text-align: center;
}

.spinner {
    width: 3rem;
    height: 3rem;
    border: 3px solid var(--gray-200);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

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

.loading-spinner p {
    margin: 0;
    color: var(--gray-600);
    font-weight: 500;
}

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

/* Print styles */
@media print {
    .header,
    .mobile-menu,
    .notification-container,
    .loading-overlay {
        display: none !important;
    }
    
    .main-content {
        margin-top: 0 !important;
    }
    
    * {
        color: black !important;
        background: white !important;
    }
}