:root {
    --bg-primary: #0f0f0f;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #242424;
    --bg-card: #1e1e1e;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-success: #22c55e;
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;
    --border-color: #2a2a2a;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --radius: 12px;
    --radius-sm: 8px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow: hidden;
}

.app {
    display: flex;
    height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 24px 16px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 16px;
}

.logo-icon {
    font-size: 28px;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s;
    position: relative;
}

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

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

.nav-icon {
    font-size: 18px;
    width: 24px;
    text-align: center;
}

.badge {
    margin-left: auto;
    background: var(--bg-tertiary);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.badge.urgent {
    background: var(--accent-danger);
    color: white;
}

.blocked-highlight {
    border-left: 3px solid var(--accent-danger);
}

/* Ringo Status */
.ringo-status {
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.ringo-avatar {
    position: relative;
    width: 48px;
    height: 48px;
}

.ringo-pulse {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: var(--accent-primary);
    opacity: 0.3;
    animation: pulse 2s infinite;
}

.ringo-core {
    position: absolute;
    inset: 4px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    border: 2px solid var(--accent-primary);
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.1); opacity: 0.1; }
}

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

.ringo-name {
    font-weight: 600;
    color: var(--text-primary);
}

.ringo-state {
    font-size: 12px;
    color: var(--accent-success);
}

/* Main Content */
.main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 32px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.header h1 {
    font-size: 28px;
    font-weight: 700;
}

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

.btn {
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    border: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

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

.btn-primary:hover {
    background: #5558e0;
}

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

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

/* Content */
.content {
    flex: 1;
    overflow-y: auto;
    padding: 24px 32px;
}

.view {
    display: none;
}

.view.active {
    display: block;
}

/* Cards */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

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

.card-welcome {
    grid-column: span 2;
}

.card-welcome h2 {
    font-size: 24px;
    margin-bottom: 8px;
}

.card-welcome p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.quick-stats {
    display: flex;
    gap: 48px;
}

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

.stat-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--accent-primary);
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

.card-alert {
    grid-column: span 2;
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(239, 68, 68, 0.05));
    border-color: var(--accent-danger);
}

.card-alert h3 {
    color: var(--accent-danger);
    margin-bottom: 16px;
}

.card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.empty {
    color: var(--text-muted);
    font-style: italic;
}

/* Project Cards */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.project-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 24px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all 0.2s;
}

.project-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.project-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.project-card p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 16px;
}

.project-meta {
    display: flex;
    gap: 16px;
    font-size: 12px;
    color: var(--text-muted);
}

/* Tasks */
.tasks-header {
    margin-bottom: 24px;
}

.filters {
    display: flex;
    gap: 8px;
}

.filter-btn {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.filter-btn:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

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

.tasks-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.task-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.task-status {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.task-status.active { background: var(--accent-primary); }
.task-status.completed { background: var(--accent-success); }
.task-status.blocked { background: var(--accent-danger); }

.task-info {
    flex: 1;
}

.task-info h4 {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 4px;
}

.task-info p {
    font-size: 12px;
    color: var(--text-secondary);
}

.task-blocked-reason {
    font-size: 11px;
    color: var(--accent-danger);
    margin-top: 4px;
}

/* Blocked View */
.blocked-intro {
    margin-bottom: 32px;
}

.blocked-intro h2 {
    font-size: 28px;
    margin-bottom: 8px;
}

.blocked-intro p {
    color: var(--text-secondary);
}

.blocked-categories {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.blocked-category {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 24px;
    border: 1px solid var(--border-color);
}

.blocked-category h3 {
    font-size: 16px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.blocked-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.blocked-item {
    padding: 12px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--accent-danger);
}

.blocked-item h4 {
    font-size: 14px;
    margin-bottom: 4px;
}

.blocked-item p {
    font-size: 12px;
    color: var(--text-secondary);
}

.back-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    margin-bottom: 16px;
    font-size: 14px;
}

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

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

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

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

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

/* Responsive */
@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    .card-welcome, .card-alert {
        grid-column: span 1;
    }
    .blocked-categories {
        grid-template-columns: 1fr;
    }
}