/* ===== CSS Variables & Theme System ===== */
:root {
    /* Base Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --text-primary: #1a1a1a;
    --text-secondary: #6c757d;
    --text-tertiary: #adb5bd;
    --border-color: #dee2e6;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);

    /* Theme Colors - Blue (Default) */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);

    /* Status Colors */
    --success: #10b981;
    --success-bg: #d1fae5;
    --warning: #f59e0b;
    --warning-bg: #fef3c7;
    --danger: #ef4444;
    --danger-bg: #fee2e2;
    --info: #3b82f6;
    --info-bg: #dbeafe;

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

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;

    /* 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);
}

/* Dark Mode */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;
    --border-color: #334155;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.6);
}

/* Theme Variations */
[data-color-theme="green"] {
    --primary-gradient: linear-gradient(135deg, #0ba360 0%, #3cba92 100%);
    --primary-500: #10b981;
    --primary-600: #059669;
    --primary-700: #047857;
}

[data-color-theme="purple"] {
    --primary-gradient: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    --primary-500: #a855f7;
    --primary-600: #9333ea;
    --primary-700: #7e22ce;
}

[data-color-theme="orange"] {
    --primary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --primary-500: #f97316;
    --primary-600: #ea580c;
    --primary-700: #c2410c;
}

[data-color-theme="teal"] {
    --primary-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --primary-500: #14b8a6;
    --primary-600: #0d9488;
    --primary-700: #0f766e;
}

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

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color var(--transition-base), color var(--transition-base);
    overflow-x: hidden;
    letter-spacing: -0.01em;
}

/* Typography - Headings use Space Grotesk */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Space Grotesk', 'Plus Jakarta Sans', sans-serif;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

/* ===== Utility Classes ===== */
.hidden {
    display: none !important;
}

/* ===== Login Screen ===== */
.login-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    padding: var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.login-screen::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) rotate(0deg);
    }

    33% {
        transform: translate(30px, -30px) rotate(120deg);
    }

    66% {
        transform: translate(-20px, 20px) rotate(240deg);
    }
}

.login-container {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 450px;
    position: relative;
    z-index: 1;
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

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

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.logo-icon {
    width: 48px;
    height: 48px;
    stroke: var(--primary-600);
    stroke-width: 2;
}

/* Logo Image Styles */
.logo-image {
    max-width: 200px;
    height: auto;
    margin-bottom: var(--spacing-md);
}

.logo-image-header {
    height: 32px;
    width: auto;
    margin-right: var(--spacing-sm);
}

/* Dark mode logo filter */
[data-theme="dark"] .logo-image,
[data-theme="dark"] .logo-image-header {
    filter: invert(1) brightness(2);
}

.app-title {
    font-size: 1.75rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.login-header h1 {
    font-size: 2rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="email"],
.form-input,
.select-input,
.todo-input,
textarea {
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-family: inherit;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-input:focus,
.select-input:focus,
.todo-input:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-100);
}

[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-input:focus,
[data-theme="dark"] .select-input:focus,
[data-theme="dark"] .todo-input:focus,
[data-theme="dark"] textarea:focus {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.radio-group {
    display: flex;
    gap: var(--spacing-lg);
}

.radio-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    position: relative;
}

.radio-label input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.radio-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    position: relative;
    transition: all var(--transition-base);
}

.radio-label input[type="radio"]:checked+.radio-custom {
    border-color: var(--primary-600);
    background: var(--primary-600);
}

.radio-label input[type="radio"]:checked+.radio-custom::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
}

.radio-text {
    font-size: 0.95rem;
    color: var(--text-primary);
}

/* ===== Buttons ===== */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn svg {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: var(--shadow-md);
}

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

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
}

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

.btn-danger:hover {
    background: #dc2626;
}

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

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.icon-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.icon-btn svg {
    width: 20px;
    height: 20px;
    stroke: var(--text-primary);
    stroke-width: 2;
}

.icon-btn:hover {
    background: var(--bg-tertiary);
    transform: scale(1.05);
}

.icon-btn-small {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.icon-btn-small svg {
    width: 18px;
    height: 18px;
    stroke: var(--text-secondary);
    stroke-width: 2;
}

.icon-btn-small:hover {
    background: var(--bg-tertiary);
}

.login-footer {
    margin-top: var(--spacing-xl);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* ===== Main App ===== */
.main-app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===== Header ===== */
.app-header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md) var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left .logo-container {
    margin: 0;
}

.header-left .logo-icon {
    width: 32px;
    height: 32px;
}

.header-left h1 {
    font-size: 1.5rem;
    font-weight: 700;
}

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

.theme-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    position: relative;
}

.theme-selector {
    position: relative;
}

.theme-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-sm);
    min-width: 200px;
    z-index: 1000;
    animation: slideDown 0.2s ease-out;
}

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

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

.theme-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.theme-option:hover {
    background: var(--bg-secondary);
}

.theme-color {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
}

.theme-option span {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

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

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-gradient);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}

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

.user-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.user-role {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* ===== App Content ===== */
.app-content {
    display: flex;
    flex: 1;
}

/* ===== Sidebar ===== */
.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: var(--spacing-lg);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-base);
}

.nav-item svg {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

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

.nav-item.active {
    background: var(--primary-gradient);
    color: white;
}

/* Sidebar Shortcuts */
.sidebar-shortcuts {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.shortcuts-header {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-md);
    padding: 0 var(--spacing-sm);
}

.shortcuts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

.shortcut-item {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    background: var(--bg-tertiary);
    transition: all var(--transition-base);
    border: 1px solid transparent;
}

.shortcut-item:hover {
    background: var(--bg-primary);
    border-color: var(--primary-400);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.shortcut-logo {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

/* ===== Content Area ===== */
.content-area {
    flex: 1;
    padding: var(--spacing-xl);
    overflow-y: auto;
    background: var(--bg-primary);
}

.view {
    display: none;
    animation: fadeIn 0.3s ease-out;
}

.view.active {
    display: block;
}

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

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

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

.view-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.view-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: var(--spacing-xs);
}

.view-actions {
    display: flex;
    gap: var(--spacing-md);
}

.filter-group {
    display: flex;
    gap: var(--spacing-md);
}

/* ===== Dashboard ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    transition: all var(--transition-base);
}

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

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon svg {
    width: 28px;
    height: 28px;
    stroke: white;
    stroke-width: 2;
}

.stat-icon-blue {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.stat-icon-orange {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.stat-icon-green {
    background: linear-gradient(135deg, #0ba360 0%, #3cba92 100%);
}

.stat-icon-purple {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
}

.stat-content {
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.recent-tickets h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

/* ===== Tickets List ===== */
.tickets-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.ticket-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: all var(--transition-base);
}

.ticket-card:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-500);
}

.ticket-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.ticket-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.ticket-id {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    font-family: 'Courier New', monospace;
}

.ticket-badges {
    display: flex;
    gap: var(--spacing-sm);
}

.badge {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-open {
    background: var(--info-bg);
    color: var(--info);
}

.badge-in-progress {
    background: var(--warning-bg);
    color: var(--warning);
}

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

.badge-closed {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.badge-low {
    background: #e0e7ff;
    color: #4f46e5;
}

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

.badge-high {
    background: #fed7aa;
    color: #ea580c;
}

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

.ticket-meta {
    display: flex;
    gap: var(--spacing-lg);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.ticket-meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.ticket-meta-item svg {
    width: 16px;
    height: 16px;
    stroke-width: 2;
}

/* ===== Ticket Form ===== */
.ticket-form {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

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

/* ===== Ticket Detail ===== */
.ticket-detail-container {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: var(--spacing-xl);
}

.ticket-main {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
}

.ticket-header-detail {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.ticket-header-detail h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.ticket-header-detail .ticket-meta {
    display: flex;
    gap: var(--spacing-md);
}

.ticket-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

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

.info-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-value {
    font-size: 0.95rem;
    color: var(--text-primary);
    font-weight: 500;
}

.ticket-section {
    margin-bottom: var(--spacing-xl);
}

.ticket-section h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.ticket-description {
    color: var(--text-secondary);
    line-height: 1.7;
}

.update-form .form-row {
    margin-bottom: var(--spacing-md);
}

/* ===== Ticket Sidebar ===== */
.ticket-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

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

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

.section-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ===== To-Do List ===== */
.todo-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.todo-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.todo-item:hover {
    border-color: var(--primary-500);
}

.todo-checkbox {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.todo-checkbox.checked {
    background: var(--primary-600);
    border-color: var(--primary-600);
    position: relative;
}

.todo-checkbox.checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 0.85rem;
    font-weight: 700;
}

.todo-text {
    flex: 1;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.todo-text.completed {
    text-decoration: line-through;
    color: var(--text-tertiary);
}

.todo-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.todo-meta {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-style: italic;
}

.todo-delete {
    width: 24px;
    height: 24px;
    border: none;
    background: transparent;
    cursor: pointer;
    opacity: 0;
    transition: all var(--transition-base);
}

.todo-item:hover .todo-delete {
    opacity: 1;
}

.todo-delete svg {
    width: 18px;
    height: 18px;
    stroke: var(--danger);
    stroke-width: 2;
}

.add-todo-form,
.add-note-form {
    margin-top: var(--spacing-md);
}

.todo-actions,
.note-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.note-input {
    width: 100%;
    resize: vertical;
}

/* ===== Notes ===== */
.notes-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.note-item {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    position: relative;
    transition: all var(--transition-base);
}

.note-item:hover {
    border-color: var(--primary-500);
}

.note-item:hover .note-delete {
    opacity: 1;
}

.note-text {
    font-size: 0.9rem;
    color: var(--text-primary);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.note-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.note-author {
    font-size: 0.75rem;
    color: var(--primary-500);
    font-weight: 500;
}

.note-timestamp {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.note-delete {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    width: 24px;
    height: 24px;
    border: none;
    background: transparent;
    cursor: pointer;
    opacity: 0;
    transition: all var(--transition-base);
}

.note-delete svg {
    width: 16px;
    height: 16px;
    stroke: var(--danger);
    stroke-width: 2;
}

/* ===== Users Grid ===== */
.users-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.user-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-base);
}

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

.user-card-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--primary-gradient);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 2rem;
    margin: 0 auto var(--spacing-md);
}

.user-card-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.user-card-role {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.user-card-email {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.user-card-username {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    margin-top: var(--spacing-xs);
    font-family: monospace;
}

.user-card-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.user-card-actions .btn {
    flex: 1;
    justify-content: center;
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.8rem;
    gap: var(--spacing-xs);
}

.btn-sm svg {
    width: 14px;
    height: 14px;
}

.btn-danger {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
    color: white;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #c82333 0%, #bd2130 100%);
    transform: translateY(-1px);
}

.readonly-field {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-family: monospace;
}

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

/* ===== Settings ===== */
.settings-sections {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.settings-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
}

.settings-section h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.settings-section .form-group {
    margin-bottom: var(--spacing-md);
}

.settings-section label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.settings-section input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.settings-info {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .ticket-detail-container {
        grid-template-columns: 1fr;
    }

    .ticket-sidebar {
        order: -1;
    }
}

@media (max-width: 768px) {
    .sidebar {
        display: none;
    }

    .app-header {
        padding: var(--spacing-md);
    }

    .content-area {
        padding: var(--spacing-md);
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .user-details {
        display: none;
    }
}

/* ===== Animations ===== */
@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.loading {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ===== Add User Form ===== */
.add-user-form {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.add-user-form h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

/* ===== Reports & Analytics ===== */
.reports-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.reports-header .btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.reports-header .btn svg {
    stroke: currentColor;
}

/* PDF Export Loading Overlay */
.pdf-loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(4px);
}

.pdf-loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.2);
    border-top-color: var(--primary-500);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.pdf-loading-text {
    color: white;
    font-size: 1.1rem;
    margin-top: var(--spacing-lg);
    font-weight: 500;
}

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

.reports-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.summary-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all var(--transition-base);
}

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

.summary-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.summary-icon svg {
    width: 24px;
    height: 24px;
    stroke: white;
}

.summary-icon-blue {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.summary-icon-green {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.summary-icon-orange {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.summary-icon-purple {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
}

.summary-content {
    display: flex;
    flex-direction: column;
}

.summary-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.summary-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Charts Grid */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.chart-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
}

.chart-card:hover {
    box-shadow: var(--shadow-md);
}

.chart-card.chart-wide {
    grid-column: span 2;
}

.chart-header {
    margin-bottom: var(--spacing-lg);
}

.chart-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.chart-subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.chart-body {
    min-height: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* Trend Chart */
.trend-chart {
    width: 100%;
    height: 250px;
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
}

.trend-bar-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    max-width: 80px;
}

.trend-bar {
    width: 100%;
    max-width: 50px;
    background: var(--primary-gradient);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    transition: all var(--transition-base);
    min-height: 4px;
}

.trend-bar:hover {
    opacity: 0.8;
    transform: scaleY(1.02);
}

.trend-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
    text-align: center;
}

.trend-value {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: var(--spacing-xs);
}

/* Donut Chart */
.donut-chart-container {
    position: relative;
    width: 180px;
    height: 180px;
    margin-bottom: var(--spacing-md);
}

.donut-chart-container svg {
    transform: rotate(-90deg);
}

.donut-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.donut-center-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    display: block;
}

.donut-center-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Chart Legend */
.chart-legend {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 3px;
    flex-shrink: 0;
}

/* Bar Chart */
.bar-chart {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

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

.bar-label {
    width: 80px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: right;
    flex-shrink: 0;
}

.bar-track {
    flex: 1;
    height: 24px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    overflow: hidden;
    position: relative;
}

.bar-fill {
    height: 100%;
    border-radius: var(--radius-sm);
    transition: width 0.5s ease-out;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: var(--spacing-sm);
}

.bar-value {
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
    min-width: 20px;
}

.bar-fill.priority-low {
    background: linear-gradient(90deg, #10b981, #059669);
}

.bar-fill.priority-medium {
    background: linear-gradient(90deg, #f59e0b, #d97706);
}

.bar-fill.priority-high {
    background: linear-gradient(90deg, #f97316, #ea580c);
}

.bar-fill.priority-critical {
    background: linear-gradient(90deg, #ef4444, #dc2626);
}

/* Horizontal Bar Chart */
.horizontal-bar-chart {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

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

.h-bar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.h-bar-label {
    font-size: 0.85rem;
    color: var(--text-primary);
    text-transform: capitalize;
}

.h-bar-value {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.h-bar-track {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.h-bar-fill {
    height: 100%;
    background: var(--primary-gradient);
    border-radius: var(--radius-sm);
    transition: width 0.5s ease-out;
}

/* Workload Chart */
.workload-chart {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

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

.workload-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary-gradient);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.workload-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.workload-name {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

.workload-bar-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.workload-bar-track {
    flex: 1;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.workload-bar-fill {
    height: 100%;
    background: var(--primary-gradient);
    border-radius: var(--radius-sm);
    transition: width 0.5s ease-out;
}

.workload-count {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 30px;
    text-align: right;
}

/* No Data State */
.no-data {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    color: var(--text-tertiary);
    text-align: center;
}

.no-data svg {
    width: 48px;
    height: 48px;
    stroke: var(--text-tertiary);
    margin-bottom: var(--spacing-md);
}

.no-data p {
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .charts-grid {
        grid-template-columns: 1fr;
    }

    .chart-card.chart-wide {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    .reports-summary {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .reports-summary {
        grid-template-columns: 1fr;
    }
}

/* ===== Knowledge Base ===== */
.kb-container {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: var(--spacing-xl);
    min-height: 500px;
}

.kb-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.kb-search input {
    width: 100%;
}

.kb-categories h4 {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-sm);
}

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

.category-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    background: transparent;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: left;
}

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

.category-item.active {
    background: var(--primary-500);
    color: white;
}

.category-count {
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    background: var(--bg-tertiary);
}

.category-item.active .category-count {
    background: rgba(255, 255, 255, 0.2);
}

.kb-content {
    flex: 1;
}

.kb-articles {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.kb-article-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: all var(--transition-base);
}

.kb-article-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-400);
}

.article-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.article-category-badge {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.article-category-badge.hardware {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.article-category-badge.software {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
}

.article-category-badge.network {
    background: rgba(168, 85, 247, 0.15);
    color: #a855f7;
}

.article-category-badge.security {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
}

.article-category-badge.other {
    background: rgba(107, 114, 128, 0.15);
    color: #6b7280;
}

.article-views {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.article-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.article-card-excerpt {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.article-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}

.article-tag {
    font-size: 0.7rem;
    padding: 2px 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
}

.kb-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-tertiary);
}

.kb-empty svg {
    width: 64px;
    height: 64px;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.kb-empty h3 {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

/* ===== Modal Base Styles ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-lg);
}

.modal-overlay.hidden {
    display: none;
}

.modal {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

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

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

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 0;
    line-height: 1;
    transition: color 0.2s ease;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
    max-height: 60vh;
    overflow-y: auto;
}

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

/* Knowledge Base Editor Modal */
.kb-editor-modal {
    max-width: 900px;
    width: 90%;
    max-height: 90vh;
}

.kb-editor-modal .modal-body {
    max-height: calc(90vh - 150px);
    overflow-y: auto;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

/* Quill Editor Styling */
#articleEditor {
    min-height: 300px;
    background: var(--bg-primary);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.ql-toolbar.ql-snow {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    background: var(--bg-tertiary);
}

.ql-container.ql-snow {
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.9rem;
    background: var(--bg-primary);
}

.ql-editor {
    min-height: 280px;
    color: var(--text-primary);
    background: var(--bg-primary);
}

.ql-editor.ql-blank::before {
    color: var(--text-tertiary);
    font-style: italic;
}

/* Quill toolbar icons - dark mode fix with explicit colors */
.ql-toolbar.ql-snow .ql-stroke {
    stroke: #e0e0e0 !important;
}

.ql-toolbar.ql-snow .ql-fill,
.ql-toolbar.ql-snow .ql-stroke.ql-fill {
    fill: #e0e0e0 !important;
}

.ql-toolbar.ql-snow .ql-picker {
    color: #e0e0e0 !important;
}

.ql-toolbar.ql-snow .ql-picker-label {
    color: #e0e0e0 !important;
}

.ql-toolbar.ql-snow .ql-picker-label::before {
    color: #e0e0e0 !important;
}

/* Also fix picker arrow */
.ql-toolbar.ql-snow .ql-picker-label svg .ql-stroke {
    stroke: #e0e0e0 !important;
}

/* Toolbar button hover states */
.ql-snow.ql-toolbar button:hover,
.ql-snow .ql-toolbar button:hover,
.ql-snow.ql-toolbar button:focus,
.ql-snow .ql-toolbar button:focus,
.ql-snow.ql-toolbar button.ql-active,
.ql-snow .ql-toolbar button.ql-active,
.ql-snow.ql-toolbar .ql-picker-label:hover,
.ql-snow .ql-toolbar .ql-picker-label:hover,
.ql-snow.ql-toolbar .ql-picker-label.ql-active,
.ql-snow .ql-toolbar .ql-picker-label.ql-active {
    color: var(--primary);
}

.ql-snow.ql-toolbar button:hover .ql-fill,
.ql-snow .ql-toolbar button:hover .ql-fill,
.ql-snow.ql-toolbar button:focus .ql-fill,
.ql-snow .ql-toolbar button:focus .ql-fill,
.ql-snow.ql-toolbar button.ql-active .ql-fill,
.ql-snow .ql-toolbar button.ql-active .ql-fill {
    fill: var(--primary);
}

.ql-snow.ql-toolbar button:hover .ql-stroke,
.ql-snow .ql-toolbar button:hover .ql-stroke,
.ql-snow.ql-toolbar button:focus .ql-stroke,
.ql-snow .ql-toolbar button:focus .ql-stroke,
.ql-snow.ql-toolbar button.ql-active .ql-stroke,
.ql-snow .ql-toolbar button.ql-active .ql-stroke {
    stroke: var(--primary);
}

/* Picker dropdown menu */
.ql-snow .ql-picker-options {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.ql-snow .ql-picker-item {
    color: var(--text-secondary);
}

.ql-snow .ql-picker-item:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

/* Color picker specific */
.ql-snow .ql-color-picker .ql-picker-label,
.ql-snow .ql-icon-picker .ql-picker-label {
    padding: 2px 4px;
}

/* Tooltip styling */
.ql-snow .ql-tooltip {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.ql-snow .ql-tooltip input[type=text] {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.ql-snow .ql-tooltip a {
    color: var(--primary);
}

/* Knowledge Base Viewer Modal */
.kb-viewer-modal {
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
}

.kb-viewer-modal .modal-body {
    max-height: calc(90vh - 150px);
    overflow-y: auto;
}

.article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.meta-separator {
    color: var(--text-tertiary);
}

.article-content {
    line-height: 1.8;
    color: var(--text-primary);
}

.article-content h1,
.article-content h2,
.article-content h3 {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.article-content p {
    margin-bottom: var(--spacing-md);
}

.article-content ul,
.article-content ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-xl);
}

.article-content li {
    margin-bottom: var(--spacing-xs);
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
}

.article-content blockquote {
    border-left: 4px solid var(--primary-500);
    padding-left: var(--spacing-md);
    margin: var(--spacing-md) 0;
    color: var(--text-secondary);
    font-style: italic;
}

.article-content pre {
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: var(--spacing-md) 0;
}

.article-content code {
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.875em;
}

.article-content a {
    color: var(--primary-500);
    text-decoration: underline;
}

.article-content a:hover {
    color: var(--primary-400);
}

/* Responsive Knowledge Base */
@media (max-width: 768px) {
    .kb-container {
        grid-template-columns: 1fr;
    }

    .kb-sidebar {
        order: -1;
    }

    .category-list {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .kb-articles {
        grid-template-columns: 1fr;
    }
}