/* =======================================
   ENTERPRISE BUSINESS MANAGEMENT PLATFORM
   Modern UIverse-Inspired Design System
   ======================================= */

/* ========== ROOT & VARIABLES ========== */
:root {
    --primary: #667eea;
    --primary-light: #e0e7ff;
    --secondary: #764ba2;
    --accent: #f5576c;
    --danger: #ef5350;
    --warning: #ffc107;
    --success: #26a69a;
    --bg-main: #ffffff;
    --bg-secondary: #f7f9fc;
    --bg-tertiary: #e8eef7;
    --text-primary: #1a202c;
    --text-secondary: #718096;
    --border: #e2e8f0;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 12px;
}

/* ========== RESET & BASE ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", sans-serif;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    direction: rtl;
}

/* ========== LAYOUT STRUCTURE ========== */
body {
    display: grid;
    grid-template-columns: 260px 1fr;
    grid-template-rows: auto 1fr;
    min-height: 100vh;
}

.sidebar {
    grid-row: 1 / -1;
    grid-column: 1;
    background: var(--bg-main);
    border-left: 1px solid var(--border);
    padding: 2rem 0;
    height: 100vh;
    overflow-y: auto;
    position: sticky;
    top: 0;
}

.main-content {
    grid-column: 2;
    grid-row: 1 / -1;
    display: flex;
    flex-direction: column;
}

/* ========== SIDEBAR ========== */
.sidebar-header {
    padding: 0 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--primary);
    cursor: pointer;
}

.logo-icon {
    font-size: 1.8rem;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0 1rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    transition: all var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

.nav-item:hover {
    background-color: var(--bg-secondary);
    color: var(--primary);
    transform: translateX(-4px);
}

.nav-item.active {
    background-color: var(--primary-light);
    color: var(--primary);
    border-right: 2px solid var(--primary);
}

.nav-item .icon {
    font-size: 1.3rem;
    display: flex;
    align-items: center;
}

/* ========== HEADER ========== */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem;
    background: var(--bg-main);
    border-bottom: 1px solid var(--border);
}

.header-left h1 {
    font-size: 1.75rem;
    margin-bottom: 0.25rem;
}

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

.header-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.filters {
    display: flex;
    gap: 0.5rem;
}

.btn-filter {
    padding: 0.6rem 1.2rem;
    border: 1px solid var(--border);
    background: transparent;
    border-radius: 8px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition);
    font-size: 0.9rem;
}

.btn-filter:hover,
.btn-filter.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.search-input {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    width: 200px;
    transition: all var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--bg-main);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition);
    font-size: 1.5rem;
}

.avatar:hover {
    transform: scale(1.1);
}

/* ========== BUTTONS ========== */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(102, 126, 234, 0.4);
}

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

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

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

.btn-mini {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

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

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

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

.btn-icon {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    font-size: 1.2rem;
    transition: all var(--transition);
}

.btn-icon:hover {
    transform: scale(1.1);
}

/* ========== CARDS ========== */
.card {
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.card-header h2 {
    font-size: 1.2rem;
    margin: 0;
}

/* ========== KPI CARDS ========== */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem;
    margin-bottom: 3rem;
}

.kpi-card {
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

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

.kpi-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.kpi-header h3 {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin: 0;
}

.kpi-icon {
    font-size: 1.8rem;
}

.kpi-value {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary);
}

.kpi-progress {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.progress-bar {
    height: 8px;
    background: var(--bg-secondary);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 4px;
    transition: width var(--transition);
}

.progress-fill.red {
    background: var(--danger);
}

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

.team-avatars {
    display: flex;
    gap: -8px;
}

.avatar-small {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    border: 2px solid var(--bg-main);
    flex-shrink: 0;
}

.avatar-tiny {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    border: 2px solid var(--bg-main);
}

/* ========== DASHBOARD GRID ========== */
.dashboard-content {
    padding: 0 2rem 2rem;
    flex: 1;
    overflow-y: auto;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.left-column,
.right-column {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* ========== ACTIVITY CARD ========== */
.activity-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.activity-item {
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    border-right: 3px solid var(--primary);
}

.activity-time {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

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

.activity-content strong {
    color: var(--primary);
}

/* ========== ALERTS ========== */
.alerts-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.alert {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: 8px;
    background: var(--bg-secondary);
    border-right: 4px solid;
}

.alert-danger {
    border-right-color: var(--danger);
}

.alert-warning {
    border-right-color: var(--warning);
}

.alert-success {
    border-right-color: var(--success);
}

.alert-icon {
    font-size: 1.5rem;
}

.alert-content {
    flex: 1;
}

.alert-content strong {
    display: block;
    margin-bottom: 0.25rem;
}

.alert-content p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0;
}

/* ========== STATS CARD ========== */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.stat-item {
    text-align: center;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 8px;
}

.stat-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

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

/* ========== PROJECTS SECTION ========== */
.projects-section {
    padding: 0 2rem 2rem;
    flex: 1;
    overflow-y: auto;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 0.75rem;
}

.project-header h3 {
    font-size: 1.1rem;
    flex: 1;
}

.status-badge {
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
}

.status-active {
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary);
}

.status-completed {
    background: rgba(38, 166, 154, 0.1);
    color: var(--success);
}

.status-pending {
    background: rgba(255, 193, 7, 0.1);
    color: var(--warning);
}

.project-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.project-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.85rem;
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.meta-item .label {
    color: var(--text-secondary);
}

.meta-item .value {
    color: var(--text-primary);
    font-weight: 600;
}

.priority {
    padding: 0.3rem 0.7rem;
    border-radius: 4px;
    font-weight: 600;
}

.priority.high {
    background: rgba(239, 83, 80, 0.1);
    color: var(--danger);
}

.priority.medium {
    background: rgba(255, 193, 7, 0.1);
    color: var(--warning);
}

.priority.low {
    background: rgba(76, 175, 80, 0.1);
    color: var(--success);
}

.project-progress {
    margin: 1rem 0;
}

.progress-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
}

.percent {
    font-weight: 700;
    color: var(--primary);
}

.project-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.team-section {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

/* ========== KANBAN BOARD ========== */
.kanban-section {
    padding: 0 2rem 2rem;
    flex: 1;
    overflow-x: auto;
}

.kanban-board {
    display: grid;
    grid-template-columns: repeat(4, minmax(300px, 1fr));
    gap: 1.5rem;
}

.kanban-column {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: 1rem;
    min-height: 600px;
}

.column-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.column-header h3 {
    font-weight: 700;
    font-size: 1rem;
}

.task-count {
    background: var(--primary);
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
}

.tasks-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.task-card {
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
    cursor: move;
    transition: all var(--transition);
}

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

.task-priority {
    display: inline-block;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.task-card h4 {
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.task-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.task-meta {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-bottom: 1rem;
}

.priority-badge {
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.priority-badge.high {
    background: rgba(239, 83, 80, 0.1);
    color: var(--danger);
}

.priority-badge.medium {
    background: rgba(255, 193, 7, 0.1);
    color: var(--warning);
}

.priority-badge.low {
    background: rgba(76, 175, 80, 0.1);
    color: var(--success);
}

.due-date {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-left: auto;
}

.task-assignee {
    display: flex;
    justify-content: flex-end;
}

.progress-mini {
    height: 4px;
    background: var(--bg-secondary);
    border-radius: 2px;
    margin-top: 0.5rem;
}

.progress-bar-mini {
    height: 100%;
    background: var(--primary);
    border-radius: 2px;
}

/* ========== INSIGHTS SECTION ========== */
.insights-content {
    padding: 0 2rem 2rem;
    flex: 1;
    overflow-y: auto;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.metric-card {
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.metric-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 1rem;
}

.metric-header h3 {
    font-size: 0.95rem;
    margin: 0;
}

.trend-indicator {
    font-weight: 700;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    font-size: 0.85rem;
}

.trend-indicator.up {
    background: rgba(76, 175, 80, 0.1);
    color: var(--success);
}

.trend-indicator.down {
    background: rgba(239, 83, 80, 0.1);
    color: var(--danger);
}

.metric-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

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

.charts-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.chart-card,
.goals-card {
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.timeline-chart {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.timeline-item {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 1rem;
    align-items: center;
}

.timeline-date {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.timeline-block {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: white;
    padding: 0.75rem 1rem;
    border-radius: 6px;
    min-height: 40px;
    display: flex;
    align-items: center;
    font-weight: 600;
    font-size: 0.9rem;
}

.goals-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.goal-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 8px;
}

.goal-status {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.goal-content h4 {
    margin-bottom: 0.25rem;
    font-size: 0.95rem;
}

.goal-content p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0;
}

.performance-card {
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.performance-table {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.perf-item {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 2rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    align-items: center;
}

.perf-member {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.member-name {
    font-weight: 600;
}

.perf-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.stat {
    text-align: center;
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 0.3rem;
}

.stat-value {
    display: block;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
}

/* ========== SETTINGS SECTION ========== */
.settings-content {
    padding: 0 2rem 2rem;
    flex: 1;
    overflow-y: auto;
}

.settings-grid {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 2rem;
}

.settings-menu {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.settings-menu-item {
    padding: 0.75rem 1rem;
    background: transparent;
    border: none;
    border-right: 3px solid transparent;
    cursor: pointer;
    text-align: right;
    color: var(--text-secondary);
    transition: all var(--transition);
    font-weight: 500;
}

.settings-menu-item:hover {
    color: var(--primary);
    background: var(--bg-secondary);
}

.settings-menu-item.active {
    color: var(--primary);
    background: var(--primary-light);
    border-right-color: var(--primary);
}

.settings-panels {
    min-height: 600px;
}

.settings-section {
    display: none;
}

.settings-section.active {
    display: block;
}

.settings-section h2 {
    margin-bottom: 1.5rem;
}

.settings-card {
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.profile-header {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

@media (max-width: 768px) {
    .profile-header {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }

    .avatar-large {
        width: 90px;
        height: 90px;
    }
}

.avatar-large {
    width: 100px;
    height: 100px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    box-shadow: var(--shadow-md);
    flex-shrink: 0;
    overflow: hidden;
}

.avatar-large svg {
    width: 85%;
    height: 85%;
}

.profile-info h3 {
    margin-bottom: 0.25rem;
    font-size: 1.5rem;
}

.profile-info p {
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.social-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.social-links .form-input {
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
}

.social-links .form-input::placeholder {
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .social-links {
        grid-template-columns: 1fr;
    }
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.95rem;
}

.form-input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: all var(--transition);
    font-size: 0.95rem;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--bg-main);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.team-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.team-members {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.team-member {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    align-items: center;
}

.member-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.member-info h4 {
    margin-bottom: 0.25rem;
}

.member-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0;
}

.member-role {
    min-width: 150px;
}

.role-select {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-main);
    cursor: pointer;
}

.divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 1.5rem 0;
}

.toggle-setting {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    margin-bottom: 1rem;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 26px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--border);
    transition: all var(--transition);
    border-radius: 26px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: all var(--transition);
    border-radius: 50%;
}

input:checked + .toggle-slider {
    background-color: var(--primary);
}

input:checked + .toggle-slider:before {
    transform: translateX(24px);
}

.active-devices {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.device-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 8px;
}

.device-icon {
    font-size: 1.5rem;
    margin-right: 1rem;
}

.device-info {
    flex: 1;
}

.device-info h4 {
    margin-bottom: 0.25rem;
}

.device-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0;
}

.notification-setting {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    margin-bottom: 1rem;
}

.notification-setting h4 {
    margin-bottom: 0.25rem;
}

.notification-setting p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0;
}

.theme-select,
.density-select {
    display: flex;
    gap: 1rem;
    margin: 1rem 0 1.5rem;
}

.theme-option,
.density-select label {
    flex: 1;
}

.theme-option input,
.density-select input {
    display: none;
}

.theme-label,
.density-select label {
    display: block;
    padding: 1rem;
    border: 2px solid var(--border);
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
}

.theme-option input:checked + .theme-label,
.density-select input:checked + label {
    border-color: var(--primary);
    background: var(--primary-light);
}

.period-select {
    padding: 0.6rem 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-main);
    color: var(--text-primary);
    cursor: pointer;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1200px) {
    .kanban-board {
        grid-template-columns: repeat(2, minmax(280px, 1fr));
    }

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

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

    .perf-item {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

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

@media (max-width: 768px) {
    body {
        grid-template-columns: 1fr;
    }

    .sidebar {
        grid-row: auto;
        grid-column: 1;
        height: auto;
        border-left: none;
        border-bottom: 1px solid var(--border);
        padding: 1rem;
    }

    .sidebar-nav {
        flex-direction: row;
        overflow-x: auto;
    }

    .nav-item {
        white-space: nowrap;
    }

    .main-content {
        grid-column: 1;
    }

    .header {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }

    .header-right {
        flex-direction: column;
        width: 100%;
    }

    .search-input {
        width: 100%;
    }

    .kpi-grid {
        grid-template-columns: 1fr;
        margin: 1rem;
    }

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

    .kanban-board {
        grid-template-columns: 1fr;
    }

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

    .settings-menu {
        flex-direction: row;
        margin-bottom: 1rem;
    }

    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .team-member {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --border-radius: 8px;
    }

    .sidebar-header {
        padding: 0 1rem 1rem;
    }

    .logo {
        font-size: 1rem;
    }

    .logo-icon {
        font-size: 1.4rem;
    }

    .header {
        padding: 1rem 0.75rem;
    }

    .header-left h1 {
        font-size: 1.3rem;
    }

    .kpi-grid,
    .dashboard-content,
    .projects-section,
    .kanban-section,
    .insights-content,
    .settings-content {
        padding: 1rem;
    }

    .kpi-grid {
        margin: 0;
        gap: 1rem;
    }

    .projects-grid {
        gap: 1rem;
    }

    .kanban-board {
        gap: 1rem;
    }

    .kanban-column {
        min-height: 400px;
    }

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

    .perf-item {
        gap: 1rem;
    }
}

/* ========== UI SWITCH TOGGLE ========== */
/* From UIverse.io - Modern Toggle Switch */

.ui-switch {
    /* switch settings */
    --switch-bg: rgb(135, 150, 165);
    --switch-width: 48px;
    --switch-height: 20px;
    /* circle */
    --circle-diameter: 32px;
    --circle-bg: rgb(102, 126, 234);
    --circle-inset: calc((var(--circle-diameter) - var(--switch-height)) / 2);
}

.ui-switch input {
    display: none;
}

.slider {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    width: var(--switch-width);
    height: var(--switch-height);
    background: var(--switch-bg);
    border-radius: 999px;
    position: relative;
    cursor: pointer;
    transition: background 0.3s ease;
}

.slider:hover {
    background: #99a8ba;
}

.slider .circle {
    top: calc(var(--circle-inset) * -1);
    left: 0;
    width: var(--circle-diameter);
    height: var(--circle-diameter);
    position: absolute;
    background: var(--circle-bg);
    border-radius: inherit;
    background-image: url("data:image/svg+xml;base64,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");
    background-repeat: no-repeat;
    background-position: center center;
    background-size: 16px;
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1), transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

.slider .circle::before {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.75);
    border-radius: inherit;
    transition: all 0.5s ease;
    opacity: 0;
}

/* Active State */
.ui-switch input:checked + .slider {
    background: var(--primary);
}

.ui-switch input:checked + .slider:hover {
    background: #5568d3;
}

.ui-switch input:checked + .slider .circle {
    left: calc(100% - var(--circle-diameter));
    background-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIGhlaWdodD0iMjAiIHdpZHRoPSIyMCIgdmlld0JveD0iMCAwIDIwIDIwIj4KICAgIDxwYXRoIGZpbGw9IiNmZmYiCiAgICAgICAgZD0iTTQuMiAyLjVsLS43IDEuOC0xLjguNyAxLjguNy43IDEuOC42LTEuOEw2LjcgNWwtMS45LS43LS42LTEuOHptMTUgOC4zYTYuNyA2LjcgMCAxMS02LjYtNi42IDUuOCA1LjggMCAwMDYuNiA2LjZ6IiAvPgo8L3N2Zz4=");
}

.ui-switch input:active + .slider .circle::before {
    transition: 0s;
    opacity: 1;
    width: 0;
    height: 0;
}

/* ========== TOGGLE SWITCH VARIATIONS ========== */

.toggle-group {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.toggle-label {
    font-size: 0.95rem;
    color: var(--text-primary);
    font-weight: 500;
    user-select: none;
}

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

/* ========== RESPONSIVE UI SWITCH ========== */

/* Tablet & iPad Optimization */
@media (max-width: 1024px) {
    .ui-switch {
        --switch-width: 50px;
        --switch-height: 22px;
        --circle-diameter: 34px;
    }

    .notification-setting {
        gap: 1.2rem;
    }

    .toggle-label {
        font-size: 0.93rem;
    }
}

/* Mobile & Small Devices Optimization */
@media (max-width: 768px) {
    .ui-switch {
        --switch-width: 52px;
        --switch-height: 24px;
        --circle-diameter: 36px;
    }

    .slider {
        width: var(--switch-width);
        height: var(--switch-height);
    }

    .slider .circle {
        width: var(--circle-diameter);
        height: var(--circle-diameter);
    }

    .toggle-group {
        gap: 1.2rem;
        flex-wrap: wrap;
    }

    .notification-setting {
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
        padding: 1rem;
        border-bottom: 1px solid var(--border);
    }

    .notification-setting:last-child {
        border-bottom: none;
    }

    .notification-setting div {
        flex: 1;
        min-width: 200px;
    }

    .notification-setting h4 {
        font-size: 0.95rem;
        margin-bottom: 0.2rem;
    }

    .notification-setting p {
        font-size: 0.85rem;
        color: var(--text-secondary);
    }

    .notification-setting label {
        flex-shrink: 0;
    }

    .toggle-label {
        font-size: 0.9rem;
    }
}

/* Small Mobile Devices */
@media (max-width: 480px) {
    .ui-switch {
        --switch-width: 48px;
        --switch-height: 22px;
        --circle-diameter: 32px;
    }

    .slider {
        width: var(--switch-width);
        height: var(--switch-height);
    }

    .slider .circle {
        width: var(--circle-diameter);
        height: var(--circle-diameter);
    }

    .notification-setting {
        flex-direction: column;
        align-items: flex-start;
        padding: 0.8rem;
    }

    .notification-setting div {
        min-width: 100%;
        margin-bottom: 0.5rem;
    }

    .notification-setting label {
        align-self: flex-end;
    }

    .toggle-group {
        flex-direction: column;
        gap: 1rem;
        width: 100%;
    }

    .toggle-label {
        font-size: 0.88rem;
        width: 100%;
    }

    .settings-card {
        padding: 1rem;
    }
}

/* ========== TOUCH-FRIENDLY ENHANCEMENTS ========== */

/* Increase touch target size */
.ui-switch {
    padding: 0.4rem;
    min-width: 60px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Improve tap area for mobile */
@media (hover: none) and (pointer: coarse) {
    .slider {
        min-height: 28px;
        min-width: 54px;
    }

    .slider:active {
        background-color: rgba(102, 126, 234, 0.2);
    }

    .ui-switch input:checked + .slider:active {
        background-color: rgba(102, 126, 234, 0.3);
    }

    /* Remove hover effects on touch devices */
    .slider:hover {
        background: var(--switch-bg);
    }

    .ui-switch input:checked + .slider:hover {
        background: var(--primary);
    }
}

/* Better focus states for accessibility */
.ui-switch input:focus + .slider {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

/* Accessibility: High contrast mode support */
@media (prefers-contrast: more) {
    .slider {
        border: 2px solid var(--text-primary);
    }

    .slider .circle {
        border: 2px solid var(--bg-main);
    }
}

/* Accessibility: Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .slider,
    .slider .circle,
    .slider .circle::before {
        transition: none;
    }
}