:root {
 --bg-primary: #ffffff;
 --bg-secondary: #f8f9fa;
 --bg-tertiary: #e9ecef;
 --text-primary: #212529;
 --text-secondary: #6c757d;
 --border-color: #dee2e6;
 --accent-color: #0d6efd;
 --accent-hover: #0b5ed7;
 --success-color: #198754;
 --danger-color: #dc3545;
 --warning-color: #ffc107;
 --shadow: 0 2px 8px rgba(0,0,0,0.1);
 --shadow-lg: 0 4px 16px rgba(0,0,0,0.15);
}

[data-theme="dark"] {
 --bg-primary: #1a1d23;
 --bg-secondary: #23272f;
 --bg-tertiary: #2c313a;
 --text-primary: #e4e6eb;
 --text-secondary: #b0b3b8;
 --border-color: #3e4451;
 --shadow: 0 2px 8px rgba(0,0,0,0.3);
 --shadow-lg: 0 4px 16px rgba(0,0,0,0.4);
}

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

body {
 font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
 background: var(--bg-secondary);
 color: var(--text-primary);
 line-height: 1.6;
 transition: background 0.3s, color 0.3s;
}

.screen {
 min-height: 100vh;
}

/* Login */
.login-container {
 max-width: 400px;
 margin: 100px auto;
 padding: 40px;
 background: var(--bg-primary);
 border-radius: 12px;
 box-shadow: var(--shadow-lg);
}

.login-container h1 {
 margin-bottom: 30px;
 text-align: center;
 font-size: 28px;
}

.login-container form {
 display: flex;
 flex-direction: column;
 gap: 16px;
}

input[type="text"],
input[type="password"],
input[type="number"],
select,
textarea {
 padding: 12px 16px;
 border: 1px solid var(--border-color);
 border-radius: 6px;
 background: var(--bg-primary);
 color: var(--text-primary);
 font-size: 14px;
 transition: border-color 0.2s;
}

input:focus,
select:focus,
textarea:focus {
 outline: none;
 border-color: var(--accent-color);
}

button {
 padding: 12px 24px;
 background: var(--accent-color);
 color: white;
 border: none;
 border-radius: 6px;
 cursor: pointer;
 font-size: 14px;
 font-weight: 500;
 transition: background 0.2s;
}

button:hover {
 background: var(--accent-hover);
}

button:disabled {
 opacity: 0.6;
 cursor: not-allowed;
}

.error {
 color: var(--danger-color);
 font-size: 13px;
 margin-top: 8px;
}

.success {
 color: var(--success-color);
 font-size: 13px;
 margin-top: 8px;
}

/* Main Layout */
#mainScreen {
 display: flex;
 height: 100vh;
}

.sidebar {
 width: 260px;
 background: var(--bg-primary);
 border-right: 1px solid var(--border-color);
 display: flex;
 flex-direction: column;
 box-shadow: var(--shadow);
}

.sidebar-header {
 padding: 20px;
 border-bottom: 1px solid var(--border-color);
}

.sidebar-header h2 {
 font-size: 20px;
 margin-bottom: 12px;
}

.user-info {
 display: flex;
 align-items: center;
 justify-content: space-between;
 font-size: 13px;
 color: var(--text-secondary);
}

.icon-btn {
 padding: 6px 10px;
 background: transparent;
 border: 1px solid var(--border-color);
 font-size: 16px;
 cursor: pointer;
 border-radius: 6px;
}

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

.nav-menu {
 list-style: none;
 padding: 16px 0;
 flex: 1;
}

.nav-menu li a {
 display: block;
 padding: 12px 20px;
 color: var(--text-primary);
 text-decoration: none;
 transition: background 0.2s;
 font-size: 14px;
}

.nav-menu li a:hover {
 background: var(--bg-tertiary);
}

.nav-menu li a.active {
 background: var(--accent-color);
 color: white;
}

.logout-btn {
 margin: 16px;
 background: var(--danger-color);
}

.logout-btn:hover {
 background: #bb2d3b;
}

/* Content */
.content {
 flex: 1;
 overflow-y: auto;
 padding: 24px;
}

.tab-content {
 display: none;
}

.tab-content.active {
 display: block;
}

.tab-header {
 display: flex;
 justify-content: space-between;
 align-items: center;
 margin-bottom: 24px;
 flex-wrap: wrap;
 gap: 16px;
}

.tab-header h1 {
 font-size: 28px;
 font-weight: 600;
}

.tab-actions {
 display: flex;
 gap: 12px;
 flex-wrap: wrap;
}

.search-input {
 min-width: 250px;
}

.filter-select {
 min-width: 150px;
}

/* Table */
.table-container {
 background: var(--bg-primary);
 border-radius: 8px;
 box-shadow: var(--shadow);
 overflow: hidden;
}

table {
 width: 100%;
 border-collapse: collapse;
}

thead {
 background: var(--bg-tertiary);
 position: sticky;
 top: 0;
 z-index: 10;
}

th {
 padding: 14px 16px;
 text-align: left;
 font-weight: 600;
 font-size: 13px;
 text-transform: uppercase;
 color: var(--text-secondary);
 border-bottom: 2px solid var(--border-color);
 cursor: pointer;
 user-select: none;
}

th:hover {
 background: var(--bg-secondary);
}

td {
 padding: 14px 16px;
 border-bottom: 1px solid var(--border-color);
 font-size: 14px;
}

tr:hover {
 background: var(--bg-secondary);
}

.row-actions {
 display: flex;
 gap: 8px;
 align-items: center;
}

.action-btn {
 padding: 6px 10px;
 font-size: 12px;
 background: var(--bg-tertiary);
 color: var(--text-primary);
 border: 1px solid var(--border-color);
}

.action-btn:hover {
 background: var(--accent-color);
 color: white;
 border-color: var(--accent-color);
}

.expand-btn {
 cursor: pointer;
 user-select: none;
 font-size: 16px;
}

.sub-row {
 background: var(--bg-secondary);
}

.sub-row td {
 padding-left: 48px;
}

.sub-row-2 {
 background: var(--bg-tertiary);
}

.sub-row-2 td {
 padding-left: 80px;
}

.clickable {
 color: var(--accent-color);
 cursor: pointer;
 text-decoration: underline;
 text-decoration-style: dotted;
}

.clickable:hover {
 text-decoration-style: solid;
}

.badge {
 display: inline-block;
 padding: 4px 10px;
 border-radius: 12px;
 font-size: 12px;
 font-weight: 500;
}

.badge.active {
 background: #d1f4e0;
 color: #198754;
}

.badge.stopped {
 background: #f8d7da;
 color: #dc3545;
}

.badge.waiting {
 background: #fff3cd;
 color: #856404;
}

.badge.successful {
 background: #d1f4e0;
 color: #198754;
}

.badge.canceled,
.badge.failed {
 background: #f8d7da;
 color: #dc3545;
}

/* Stats Grid */
.stats-grid {
 display: grid;
 grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
 gap: 16px;
 margin-bottom: 24px;
}

.stat-card {
 background: var(--bg-primary);
 padding: 20px;
 border-radius: 8px;
 box-shadow: var(--shadow);
}

.stat-card h3 {
 font-size: 13px;
 color: var(--text-secondary);
 margin-bottom: 8px;
 text-transform: uppercase;
 font-weight: 600;
}

.stat-card .value {
 font-size: 28px;
 font-weight: 700;
 color: var(--text-primary);
}

.stat-card .subvalue {
 font-size: 13px;
 color: var(--text-secondary);
 margin-top: 4px;
}

/* Chart Container */
.chart-container {
 background: var(--bg-primary);
 padding: 24px;
 border-radius: 8px;
 box-shadow: var(--shadow);
 margin-bottom: 24px;
}

.chart-container h2 {
 font-size: 18px;
 margin-bottom: 16px;
}

.chart {
 height: 300px;
 position: relative;
}

/* Settings */
.settings-container {
 max-width: 800px;
}

.settings-section {
 background: var(--bg-primary);
 padding: 24px;
 border-radius: 8px;
 box-shadow: var(--shadow);
 margin-bottom: 24px;
}

.settings-section h2 {
 font-size: 18px;
 margin-bottom: 20px;
}

.settings-section form {
 display: flex;
 flex-direction: column;
 gap: 16px;
}

.settings-section label {
 display: flex;
 align-items: center;
 gap: 8px;
 cursor: pointer;
}

.settings-section input[type="checkbox"] {
 width: auto;
}

/* Modal */
.modal {
 display: none;
 position: fixed;
 top: 0;
 left: 0;
 width: 100%;
 height: 100%;
 background: rgba(0, 0, 0, 0.5);
 z-index: 1000;
 backdrop-filter: blur(4px);
}

.modal.active {
 display: flex;
 align-items: center;
 justify-content: center;
}

.modal-content {
 background: var(--bg-primary);
 border-radius: 12px;
 box-shadow: var(--shadow-lg);
 max-width: 90%;
 max-height: 90%;
 overflow: hidden;
 display: flex;
 flex-direction: column;
}

.modal-header {
 padding: 20px 24px;
 border-bottom: 1px solid var(--border-color);
 display: flex;
 justify-content: space-between;
 align-items: center;
}

.modal-header h2 {
 font-size: 20px;
}

.modal-close {
 background: transparent;
 border: none;
 font-size: 24px;
 cursor: pointer;
 color: var(--text-secondary);
 padding: 0;
 width: 32px;
 height: 32px;
 display: flex;
 align-items: center;
 justify-content: center;
 border-radius: 6px;
}

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

.modal-body {
 padding: 24px;
 overflow-y: auto;
 flex: 1;
}

/* Pagination */
.pagination {
 display: flex;
 justify-content: center;
 align-items: center;
 gap: 8px;
 padding: 20px;
 background: var(--bg-primary);
 border-top: 1px solid var(--border-color);
}

.pagination button {
 padding: 8px 12px;
 background: var(--bg-tertiary);
 color: var(--text-primary);
 border: 1px solid var(--border-color);
 font-size: 13px;
}

.pagination button:hover:not(:disabled) {
 background: var(--accent-color);
 color: white;
 border-color: var(--accent-color);
}

.pagination .page-info {
 color: var(--text-secondary);
 font-size: 13px;
}

/* Loading */
.loading {
 text-align: center;
 padding: 40px;
 color: var(--text-secondary);
}

.loading::after {
 content: '...';
 animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
 0%, 20% { content: '.'; }
 40% { content: '..'; }
 60%, 100% { content: '...'; }
}

/* Tree View */
.tree-view {
 font-family: monospace;
 font-size: 13px;
}

.tree-item {
 margin: 4px 0;
 padding: 4px 8px;
 border-radius: 4px;
}

.tree-item:hover {
 background: var(--bg-tertiary);
}

.tree-key {
 color: var(--accent-color);
 font-weight: 600;
}

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

/* Responsive */
@media (max-width: 768px) {
 #mainScreen {
   flex-direction: column;
 }
 
 .sidebar {
   width: 100%;
   border-right: none;
   border-bottom: 1px solid var(--border-color);
 }
 
 .nav-menu {
   display: flex;
   padding: 0;
 }
 
 .nav-menu li {
   flex: 1;
 }
 
 .nav-menu li a {
   text-align: center;
   padding: 12px 8px;
 }
 
 .tab-header {
   flex-direction: column;
   align-items: flex-start;
 }
 
 .tab-actions {
   width: 100%;
 }
 
 .search-input,
 .filter-select {
   width: 100%;
 }
 
 table {
   font-size: 12px;
 }
 
 th, td {
   padding: 10px 8px;
 }
}

/* Context Menu */
.context-menu {
 position: fixed;
 background: var(--bg-primary);
 border: 1px solid var(--border-color);
 border-radius: 6px;
 box-shadow: var(--shadow-lg);
 padding: 4px 0;
 z-index: 2000;
 min-width: 150px;
}

.context-menu-item {
 padding: 10px 16px;
 cursor: pointer;
 font-size: 13px;
 transition: background 0.2s;
}

.context-menu-item:hover {
 background: var(--bg-tertiary);
}

.context-menu-divider {
 height: 1px;
 background: var(--border-color);
 margin: 4px 0;
}