:root {
    --bg-primary: #0a0a0c;
    --bg-secondary: #121216;
    --bg-tertiary: #1c1c22;
    --border-color: #272730;
    --text-primary: #ffffff;
    --text-secondary: #8b8b9d;
    --accent-primary: #6366f1;
    --accent-hover: #4f46e5;
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.1);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.1);
    
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
}

/* Layout */
.app-container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2.5rem;
}

.logo-icon {
    color: var(--accent-primary);
}

.nav-menu {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.nav-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

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

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

.nav-item svg {
    width: 18px;
    height: 18px;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background-color: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

.user-name {
    font-size: 0.875rem;
    font-weight: 600;
}

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

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-primary);
    min-width: 0;
}

.top-header {
    height: 72px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    background-color: rgba(18, 18, 22, 0.8);
    backdrop-filter: blur(12px);
    z-index: 10;
}

.header-search {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background-color: var(--bg-tertiary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    width: 400px;
    border: 1px solid var(--border-color);
}

.header-search svg {
    color: var(--text-secondary);
    width: 18px;
    height: 18px;
}

.header-search input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    width: 100%;
    font-size: 0.875rem;
}

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

.action-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    position: relative;
    padding: 0.5rem;
    border-radius: var(--radius-md);
    transition: all 0.2s;
}

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

.badge {
    position: absolute;
    top: 2px;
    right: 2px;
    background-color: var(--danger);
    color: white;
    font-size: 0.65rem;
    font-weight: 700;
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
}

.shift-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--warning-bg);
    color: var(--warning);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.shift-badge svg {
    width: 16px;
    height: 16px;
}

/* Dashboard Scroll Area */
.dashboard-scroll-area {
    padding: 2rem;
    overflow-y: auto;
    overflow-x: hidden;
    flex: 1;
}

.dashboard-header {
    margin-bottom: 2rem;
}

.dashboard-header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.dashboard-header .subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Sections */
.dashboard-section {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-md);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
}

.section-header h2 {
    font-size: 1.125rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-header h2 svg {
    width: 20px;
    height: 20px;
    color: var(--text-secondary);
}

.view-all {
    color: var(--accent-primary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
}

/* Alerts Grid */
.alerts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

.alert-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.alert-card.danger {
    background-color: var(--danger-bg);
    border-color: rgba(239, 68, 68, 0.2);
}

.alert-card.warning {
    background-color: var(--warning-bg);
    border-color: rgba(245, 158, 11, 0.2);
}

.alert-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
}

.alert-card.danger .alert-icon {
    background-color: rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

.alert-card.warning .alert-icon {
    background-color: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.alert-content {
    flex: 1;
}

.alert-content h3 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.alert-content p {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
}

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

.btn-primary:hover {
    background-color: var(--accent-hover);
    box-shadow: var(--shadow-glow);
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.75rem;
}

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

.btn-warning {
    background-color: var(--warning);
    color: #fff;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.grid-col {
    display: flex;
    flex-direction: column;
}

/* Stats */
.stats-row {
    display: flex;
    gap: 1rem;
}

.stat-box {
    flex: 1;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 1rem;
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

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

.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.stat-box.highlight {
    background-color: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.2);
}
.stat-box.highlight .stat-value { color: var(--accent-primary); }
.stat-box.success .stat-value { color: var(--success); }

/* Task List */
.task-list {
    list-style: none;
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.task-item {
    display: flex;
    align-items: center;
    padding: 0.75rem;
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    transition: all 0.2s;
}

.task-item:hover {
    border-color: var(--border-color);
    transform: translateY(-1px);
}

.task-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    background-color: var(--text-secondary);
    margin-right: 1rem;
}

.task-item.warning .task-dot { background-color: var(--warning); }
.task-item.danger .task-dot { background-color: var(--danger); }

.task-info {
    flex: 1;
}

.task-name {
    font-size: 0.875rem;
    font-weight: 500;
}

.task-action {
    font-size: 0.75rem;
    color: var(--accent-primary);
    cursor: pointer;
    font-weight: 500;
}

.task-action:hover {
    text-decoration: underline;
}

/* KPIs */
.kpi-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.kpi-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
}

.kpi-item .badge {
    position: static;
    width: auto;
    height: auto;
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
}

.kpi-item .badge.danger { background-color: var(--danger); }
.kpi-item .badge.warning { background-color: var(--warning); color: #fff;}
.kpi-item .badge:not(.danger):not(.warning) { background-color: var(--border-color); color: var(--text-secondary); }

/* Data Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th, .data-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.875rem;
}

.data-table th {
    font-weight: 600;
    color: var(--text-secondary);
}

.user-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.5rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
}

.status-badge {
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
}

.status-badge.pending { background-color: var(--warning-bg); color: var(--warning); }
.status-badge.blocked { background-color: var(--danger-bg); color: var(--danger); }

/* Shift Logs */
.handover-log {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.log-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
}

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

.log-title {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.shift-type {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
}

.shift-type.night {
    background-color: rgba(99, 102, 241, 0.1);
    color: var(--accent-primary);
}

.log-date {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.log-body {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.log-block h4 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.log-block ul {
    list-style-type: none;
    font-size: 0.875rem;
}

.log-block ul li {
    position: relative;
    padding-left: 1rem;
    margin-bottom: 0.25rem;
}

.log-block ul li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--text-secondary);
}

.success-block h4 { color: var(--success); }
.warning-block h4 { color: var(--warning); }
.danger-block h4 { color: var(--danger); }

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 600px;
    max-width: 90vw;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
    transform: translateY(20px);
    transition: all 0.3s;
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
}

.icon-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover { color: var(--text-primary); }

.modal-body {
    padding: 1.5rem;
    max-height: 60vh;
    overflow-y: auto;
}

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

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-group textarea,
.form-group input,
.form-group select {
    width: 100%;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    padding: 0.75rem;
    font-family: inherit;
    font-size: 0.875rem;
}

.form-group textarea {
    min-height: 80px;
    resize: vertical;
}

.form-group textarea:focus,
.form-group input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.action-inputs {
    display: flex;
    gap: 0.5rem;
}

.action-inputs input { flex: 2; }
.action-inputs select { flex: 1; }

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

/* Kanban Board */
.kanban-area {
    display: flex;
    flex-direction: column;
}

.kanban-board {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    padding-bottom: 1rem;
    flex: 1;
}

.kanban-col {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    min-width: 300px;
    display: flex;
    flex-direction: column;
}

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

.kanban-header h3 {
    font-size: 0.875rem;
    font-weight: 600;
}

.kanban-cards {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    overflow-y: auto;
    flex: 1;
}

.k-card {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    cursor: grab;
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.k-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.k-card.warning-border { border-left: 3px solid var(--warning); }
.k-card.success-border { border-left: 3px solid var(--success); }
.k-card.danger-border { border-left: 3px solid var(--danger); }

.k-card-title {
    font-size: 0.875rem;
    font-weight: 600;
}

.k-card-metric {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.k-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.5rem;
}