/* Kombajn Dashboard Styles */
:root {
    --bg-primary: #0f0f23;
    --bg-secondary: #1a1a2e;
    --bg-card: #16213e;
    --bg-hover: #1f3460;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --accent-primary: #00d9ff;
    --accent-secondary: #7c3aed;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --border-color: #2a2a4a;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    --radius: 12px;
    --transition: all 0.2s ease;
}

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

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
}

/* Screens */
.screen {
    min-height: 100vh;
}

.hidden {
    display: none !important;
}

/* Login Screen */
.login-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.login-header {
    text-align: center;
    margin-bottom: 40px;
}

.login-header .logo {
    font-size: 64px;
    display: block;
    margin-bottom: 16px;
}

.login-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 8px;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

#login-form {
    background: var(--bg-secondary);
    padding: 40px;
    border-radius: var(--radius);
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1);
}

.btn-primary {
    width: 100%;
    padding: 14px 24px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 217, 255, 0.3);
}

.btn-secondary {
    padding: 10px 20px;
    background: var(--bg-hover);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

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

.error-message {
    margin-top: 16px;
    color: var(--error);
    text-align: center;
    font-size: 0.9rem;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 32px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-left .logo {
    font-size: 32px;
}

.header-left h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.icon-btn {
    background: transparent;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: var(--transition);
    position: relative;
}

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

.badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--error);
    color: white;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 10px;
    font-weight: 600;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
}

/* Main Content */
.main-content {
    padding: 32px;
    max-width: 1600px;
    margin: 0 auto;
}

/* Stats Bar */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    background: var(--bg-secondary);
    padding: 24px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    text-align: center;
}

.stat-card.online {
    border-color: var(--success);
}

.stat-value {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 8px;
}

.stat-card.online .stat-value {
    color: var(--success);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Section Title */
.section-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

/* Systems Grid */
.systems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.system-card {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    padding: 24px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

.system-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--system-color, var(--accent-primary));
}

.system-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.system-icon {
    font-size: 2rem;
}

.system-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    padding: 4px 10px;
    border-radius: 20px;
    background: var(--bg-primary);
}

.system-status.online {
    color: var(--success);
}

.system-status.offline {
    color: var(--error);
}

.system-status.unknown {
    color: var(--text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
}

.system-name {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.system-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.system-actions {
    display: flex;
    gap: 10px;
    margin-top: 16px;
}

.system-btn {
    flex: 1;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
}

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

.system-btn.primary {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--bg-primary);
}

.system-btn.primary:hover {
    background: #00c4e6;
}

/* Events List */
.events-list {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.event-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.event-item:last-child {
    border-bottom: none;
}

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

.event-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    background: var(--bg-primary);
}

.event-content {
    flex: 1;
}

.event-title {
    font-weight: 500;
    margin-bottom: 4px;
}

.event-source {
    color: var(--accent-primary);
    font-size: 0.85rem;
}

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

.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

/* Notifications Panel */
.side-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 400px;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    z-index: 200;
    display: flex;
    flex-direction: column;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.4);
}

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

.panel-header h3 {
    font-size: 1.2rem;
}

.panel-actions {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.notifications-list {
    flex: 1;
    overflow-y: auto;
}

.notification-item {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition);
}

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

.notification-item.unread {
    border-left: 3px solid var(--accent-primary);
}

.notification-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 6px;
}

.notification-system {
    font-size: 0.8rem;
    color: var(--accent-primary);
}

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

.notification-title {
    font-weight: 500;
    margin-bottom: 4px;
}

.notification-message {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .header {
        padding: 12px 16px;
    }

    .main-content {
        padding: 16px;
    }

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

    .side-panel {
        width: 100%;
    }
}

/* Drag & Drop for System Cards */
.system-card.dragging {
    opacity: 0.5;
    transform: scale(1.02);
    box-shadow: 0 8px 30px rgba(0, 217, 255, 0.3);
    z-index: 1000;
}

.system-card.drag-over {
    border: 2px dashed var(--accent-primary);
    background: var(--bg-hover);
}

.systems-grid.drag-active .system-card:not(.dragging) {
    transition: transform 0.2s ease;
}

.system-card .drag-handle {
    position: absolute;
    top: 8px;
    right: 8px;
    cursor: grab;
    opacity: 0.3;
    font-size: 1rem;
    padding: 4px;
    transition: opacity 0.2s;
}

.system-card:hover .drag-handle {
    opacity: 0.7;
}

.system-card .drag-handle:active {
    cursor: grabbing;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.system-card, .event-item, .stat-card {
    animation: fadeIn 0.3s ease;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}