/* CSS Variables */
:root {
    /* Colors - Rich Professional Palette */
    --color-primary: #4f46e5;
    --color-primary-dark: #4338ca;
    --color-primary-light: #6366f1;
    --color-primary-gradient: linear-gradient(135deg, #4f46e5 0%, #6366f1 100%);
    --color-success: #059669;
    --color-success-light: #10b981;
    --color-warning: #d97706;
    --color-warning-light: #f59e0b;
    --color-error: #dc2626;
    --color-error-light: #ef4444;
    --color-info: #0284c7;
    --color-info-light: #0ea5e9;

    /* Light Theme - Clean & Professional */
    --bg-primary: #f1f5f9;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e2e8f0;
    --bg-card: #ffffff;
    --bg-gradient: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);

    /* Text Colors - High Contrast for Readability (WCAG AA Compliant) */
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;

    /* Borders - Subtle & Elegant */
    --border-color: #e2e8f0;
    --border-color-strong: #cbd5e1;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    --border-radius-xl: 20px;

    /* Shadows - Prominent for Card Separation */
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.08), 0 1px 2px -1px rgb(0 0 0 / 0.08);
    --shadow: 0 4px 12px 0 rgb(0 0 0 / 0.08), 0 2px 4px -1px rgb(0 0 0 / 0.06);
    --shadow-lg: 0 10px 24px -4px rgb(0 0 0 / 0.1), 0 4px 8px -2px rgb(0 0 0 / 0.06);
    --shadow-xl: 0 20px 40px -8px rgb(0 0 0 / 0.12), 0 8px 16px -4px rgb(0 0 0 / 0.08);
    --shadow-colored: 0 4px 14px 0 rgba(79, 70, 229, 0.25);

    /* Sidebar */
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 70px;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}


/* ========================================
   Global Loading Overlay
   ======================================== */

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.loading-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loading-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.loading-text {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    margin: 0;
    animation: loading-text-pulse 1.5s ease-in-out infinite;
}

@keyframes loading-text-pulse {

    0%,
    100% {
        opacity: 0.7;
    }

    50% {
        opacity: 1;
    }
}

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

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

/* ========================================
   Layout with Sidebar
   ======================================== */

.app-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 100;
    transition: width var(--transition-slow);
    box-shadow: 4px 0 24px rgb(0 0 0 / 0.06);
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    min-height: 60px;
    box-sizing: border-box;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.03) 0%, rgba(99, 102, 241, 0.02) 100%);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-primary);
    font-weight: 700;
    font-size: var(--font-size-sm);
    overflow: hidden;
    flex: 1;
    min-width: 0;
}

.brand-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.brand-logo {
    height: 32px;
    max-width: 90px;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.brand-logo svg {
    width: 24px;
    height: 24px;
}

.brand-logo img {
    height: 100%;
    width: auto;
    object-fit: contain;
}

.sidebar.collapsed .brand-text {
    display: none;
}

.sidebar.collapsed .sidebar-brand {
    justify-content: center;
}

.sidebar-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.sidebar-toggle:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.sidebar.collapsed .sidebar-toggle {
    margin: 0 auto;
}

/* Sidebar Navigation */
.sidebar-nav {
    flex: 1;
    padding: var(--spacing-md);
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 10px var(--spacing-md);
    color: var(--text-secondary);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-base);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    font-weight: 500;
    position: relative;
}

.nav-item:hover {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.08) 0%, rgba(99, 102, 241, 0.05) 100%);
    color: var(--color-primary);
    transform: translateX(4px);
}

.nav-item.active {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.18) 0%, rgba(99, 102, 241, 0.12) 100%);
    color: var(--color-primary);
    font-weight: 600;
    box-shadow: inset 3px 0 0 var(--color-primary), 0 2px 8px rgba(79, 70, 229, 0.1);
    border-radius: var(--border-radius-sm);
}

.nav-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 24px;
    height: 24px;
}

.nav-icon svg {
    width: 20px;
    height: 20px;
}

/* Nav Text - Truncate with ellipsis for long text */
.nav-text {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sidebar.collapsed .nav-text {
    display: none;
}

.sidebar.collapsed .nav-item {
    justify-content: center;
    padding: var(--spacing-sm);
}

.sidebar.collapsed .nav-item-child {
    padding-left: var(--spacing-sm);
}

/* Navigation Groups */
.nav-group {
    margin-bottom: var(--spacing-sm);
}

.nav-group-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: 10px var(--spacing-md);
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-base);
    white-space: nowrap;
    overflow: hidden;
}

.nav-group-header:hover {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.06) 0%, rgba(99, 102, 241, 0.03) 100%);
    color: var(--color-primary);
}

.nav-arrow {
    margin-left: auto;
    transition: transform var(--transition-fast);
    flex-shrink: 0;
}

.nav-group.expanded .nav-arrow {
    transform: rotate(180deg);
}

.nav-group-items {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.nav-group.expanded .nav-group-items {
    max-height: 500px;
}

.nav-item-child {
    padding-left: calc(var(--spacing-sm) + 24px + var(--spacing-sm));
    font-size: var(--font-size-sm);
    margin-left: 8px;
    margin-right: 8px;
    border-radius: var(--border-radius-sm);
}

/* Active child/sub-menu item - Enhanced Premium Styling */
.nav-item-child.active {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.2) 0%, rgba(99, 102, 241, 0.14) 100%);
    color: var(--color-primary);
    font-weight: 600;
    box-shadow: inset 3px 0 0 var(--color-primary), 0 2px 10px rgba(79, 70, 229, 0.12);
    position: relative;
}

.nav-item-child.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 70%;
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: 0 2px 2px 0;
}

/* Parent group when contains active child */
.nav-group.has-active>.nav-group-header {
    color: var(--color-primary);
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(99, 102, 241, 0.02) 100%);
}

.nav-group.has-active>.nav-group-header .nav-icon {
    color: var(--color-primary);
}

.sidebar.collapsed .nav-group-header .nav-text,
.sidebar.collapsed .nav-group-header .nav-arrow {
    display: none;
}

.sidebar.collapsed .nav-group-header {
    justify-content: center;
    padding: var(--spacing-sm);
}

.sidebar.collapsed .nav-group-items {
    display: none;
}

/* Sidebar Footer */
.sidebar-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    gap: var(--spacing-sm);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    overflow: hidden;
}

.user-avatar {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: white;
    flex-shrink: 0;
}

.user-details {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.user-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    font-weight: 500;
}

.sidebar.collapsed .user-details {
    display: none;
}

.sidebar.collapsed .sidebar-footer {
    justify-content: center;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.sidebar.collapsed .btn-logout {
    width: 100%;
    justify-content: center;
}

/* Sidebar header in collapsed mode */
.sidebar.collapsed .sidebar-header {
    justify-content: center;
    align-items: center;
    padding: var(--spacing-sm);
}

.sidebar.collapsed .sidebar-brand {
    display: none;
}

.btn-logout {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.btn-logout:hover {
    background: rgba(239, 68, 68, 0.15);
    border-color: var(--color-error);
    color: var(--color-error);
}

/* Main Wrapper */
.main-wrapper {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: margin-left var(--transition-slow);
}

.main-wrapper.no-sidebar {
    margin-left: 0;
}

.sidebar.collapsed+.main-wrapper,
.sidebar.collapsed~.main-wrapper {
    margin-left: var(--sidebar-collapsed-width);
}

/* Main Content - Centered */
.main-content {
    flex: 1;
    padding: var(--spacing-xl);
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

/* Main Header */
.main-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-xl);
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 50;
    min-height: 60px;
    box-sizing: border-box;
    box-shadow: 0 2px 12px rgb(0 0 0 / 0.04);
}

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

.mobile-menu-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.mobile-menu-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.header-logo {
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    padding: 4px;
}

.header-logo img {
    height: 36px;
    width: auto;
    display: block;
}

.header-divider {
    width: 1px;
    height: 32px;
    background: var(--border-color);
}

.header-title h1 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.3;
}

.header-subtitle {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin: 0;
}

.header-subtitle:empty {
    display: none;
}

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

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

.header-user-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 6px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-family);
}

.header-user-btn:hover {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.08) 0%, rgba(99, 102, 241, 0.05) 100%);
    border-color: var(--color-primary-light);
}

.header-user-dropdown.open .header-user-btn {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(99, 102, 241, 0.06) 100%);
    border-color: var(--color-primary);
}

.header-user-avatar {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: white;
    box-shadow: 0 2px 6px rgba(79, 70, 229, 0.25);
}

.header-user-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.header-user-arrow {
    color: var(--text-muted);
    transition: transform var(--transition-fast);
}

.header-user-dropdown.open .header-user-arrow {
    transform: rotate(180deg);
}

/* Dropdown Menu */
.header-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 220px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: 1000;
    overflow: hidden;
}

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

.dropdown-user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.04) 0%, rgba(99, 102, 241, 0.02) 100%);
}

.dropdown-avatar {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--font-size-base);
    color: white;
    box-shadow: 0 2px 8px rgba(79, 70, 229, 0.3);
}

.dropdown-user-details {
    display: flex;
    flex-direction: column;
}

.dropdown-user-name {
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

.dropdown-user-role {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

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

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 10px var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.08) 0%, rgba(99, 102, 241, 0.04) 100%);
    color: var(--color-primary);
}

.dropdown-item svg {
    flex-shrink: 0;
}

.dropdown-item-danger {
    color: var(--color-error);
}

.dropdown-item-danger:hover {
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.08) 0%, rgba(239, 68, 68, 0.04) 100%);
    color: var(--color-error);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: var(--spacing-xl);
    max-width: 1400px;
    width: 100%;
}

/* Messages Container */
.messages-container {
    padding: var(--spacing-md) var(--spacing-xl);
    padding-bottom: 0;
}

/* Footer */
.footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    text-align: center;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

/* ========================================
   Components
   ======================================== */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 500;
    line-height: 1.5;
    border: 1px solid transparent;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.btn-primary {
    background: linear-gradient(135deg, #4f46e5 0%, #6366f1 100%);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, #4338ca 0%, #4f46e5 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
}

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

.btn-outline:hover:not(:disabled) {
    background: var(--bg-tertiary);
    border-color: var(--text-muted);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-xs);
    text-align: center;
}

.btn-block {
    width: 100%;
}

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

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
}

/* Required field indicator - red asterisk */
.form-label.required::after,
.form-label[required]::after,
label.required::after {
    content: ' *';
    color: var(--color-error);
    font-weight: 700;
}

/* Centered form card container */
.form-card-container {
    display: flex;
    justify-content: center;
    width: 100%;
}

.form-card-container .card {
    width: 100%;
    max-width: 500px;
}

.form-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--text-primary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

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

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-hint {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

/* Alerts / Messages */
.alert {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    animation: slideIn var(--transition-base);
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-success {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid var(--color-success);
    color: var(--color-success);
}

.alert-error {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid var(--color-error);
    color: var(--color-error);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid var(--color-warning);
    color: var(--color-warning);
}

.alert-info {
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid var(--color-info);
    color: var(--color-info);
}

.alert-close {
    background: none;
    border: none;
    color: inherit;
    font-size: var(--font-size-xl);
    cursor: pointer;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

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

/* ========================================
   Page Styles
   ======================================== */

/* Page Header */
.page-header {
    margin-bottom: var(--spacing-xl);
}

.page-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: var(--font-size-base);
}

/* Auth Pages */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    background:
        radial-gradient(ellipse at top, rgba(91, 95, 199, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at bottom right, rgba(108, 112, 212, 0.06) 0%, transparent 50%),
        linear-gradient(180deg, var(--bg-primary) 0%, #f1f5f9 100%);
}

.auth-container {
    width: 100%;
    max-width: 420px;
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.auth-logo {
    display: inline-block;
    background: var(--bg-tertiary);
    /* padding: 16px 28px; */
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--border-color);
}

.auth-logo img {
    display: block;
    height: 80px;
    width: auto;
    max-width: 220px;
    object-fit: contain;
}

.auth-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.auth-subtitle {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.auth-messages {
    margin-bottom: var(--spacing-lg);
}

.auth-form .btn-primary {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    font-size: var(--font-size-base);
}

.auth-footer {
    text-align: center;
    margin-top: var(--spacing-xl);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* Dashboard */
.dashboard {
    padding: var(--spacing-md) 0;
}

.dashboard-header {
    margin-bottom: var(--spacing-2xl);
}

.dashboard-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

.dashboard-subtitle {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    font-weight: 500;
}

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

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.stat-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, #ffffff 0%, #fafbfc 100%);
    border: 1px solid #e2e8f0;
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-base);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-primary-gradient);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.stat-card:hover {
    border-color: var(--color-primary-light);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(79, 70, 229, 0.12);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: var(--border-radius-sm);
}

.stat-icon-primary {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.12) 0%, rgba(99, 102, 241, 0.08) 100%);
    color: var(--color-primary);
    box-shadow: 0 2px 8px rgba(79, 70, 229, 0.15);
}

.stat-icon-success {
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.12) 0%, rgba(16, 185, 129, 0.08) 100%);
    color: var(--color-success);
    box-shadow: 0 2px 8px rgba(5, 150, 105, 0.15);
}

.stat-icon-info {
    background: linear-gradient(135deg, rgba(2, 132, 199, 0.12) 0%, rgba(14, 165, 233, 0.08) 100%);
    color: var(--color-info);
    box-shadow: 0 2px 8px rgba(2, 132, 199, 0.15);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.stat-value {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
}

/* Cards */
.card {
    background: linear-gradient(135deg, #ffffff 0%, #fafbfc 100%);
    border: 1px solid #e2e8f0;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    transition: all var(--transition-base);
}

.card-margin-center {
    margin: 1px auto;
}

.card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.card-header {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.02) 0%, rgba(99, 102, 241, 0.01) 100%);
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-primary);
}

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

/* Info Grid */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.info-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 600;
}

.info-value {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--text-primary);
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.mobile-open {
        transform: translateX(0);
    }

    .main-wrapper {
        margin-left: 0 !important;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .header-user-name {
        display: none;
    }
}

@media (max-width: 768px) {
    .main-content {
        padding: var(--spacing-md);
    }

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

    .auth-card {
        padding: var(--spacing-xl);
    }

    .form-actions {
        flex-direction: column;
    }
}