:root {
    --bg-body: #0f172a;
    --bg-card: #1e293b;
    --bg-sidebar: #1e293b;
    --bg-sidebar-item: #334155;
    --bg-sidebar-active: #2563eb;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border: #334155;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --log-item-bg: #1e293b;
    --sidebar-width: 340px;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
}

[data-theme="light"] {
    --bg-body: #f8fafc;
    --bg-card: #ffffff;
    --bg-sidebar: #ffffff;
    --bg-sidebar-item: #f1f5f9;
    --bg-sidebar-active: #3b82f6;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border: #e2e8f0;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --log-item-bg: #ffffff;
    --success: #059669;
    --warning: #d97706;
    --error: #dc2626;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-body);
    color: var(--text-primary);
    margin: 0;
    display: flex;
    height: 100vh;
    overflow: hidden;
    transition: background-color 0.3s;
}

/* Sidebar Styling */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    transition: background-color 0.3s, border-color 0.3s;
}

.sidebar-header {
    padding: 24px;
    border-bottom: 1px solid var(--border);
}

.sidebar-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 20px;
}

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

.search-container {
    position: relative;
}

.search-input {
    width: 100%;
    background-color: var(--bg-sidebar-item);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 12px 10px 40px;
    color: var(--text-primary);
    font-size: 0.875rem;
    outline: none;
    box-sizing: border-box;
}

.search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.nav-tree {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

/* Hierarchy Styling */
.project-card {
    background-color: transparent;
    border-radius: 12px;
    margin-bottom: 8px;
    overflow: hidden;
    border: 1px solid transparent;
    transition: all 0.2s ease;
}

.project-card:hover {
    background-color: rgba(255, 255, 255, 0.02);
    border-color: rgba(255, 255, 255, 0.05);
}

.project-header,
.service-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    cursor: pointer;
    user-select: none;
    border-radius: 8px;
    transition: all 0.2s ease;
    text-decoration: none;
    color: inherit;
}

.project-header:hover {
    background-color: rgba(59, 130, 246, 0.08);
}

.service-item {
    padding-left: 20px;
    position: relative;
}

.service-item::before {
    content: '';
    position: absolute;
    left: 18px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--border), transparent);
}

.service-item:last-child::before {
    background: linear-gradient(to bottom, var(--border) 50%, transparent 50%);
}

.service-header {
    margin-left: 8px;
    padding: 10px 12px;
    position: relative;
}

.service-header::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 50%;
    width: 8px;
    height: 2px;
    background: var(--border);
}

.service-header:hover {
    background-color: rgba(59, 130, 246, 0.08);
    transform: translateX(4px);
}

.service-header.active-service {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: #ffffff !important;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
}

.service-header.active-service .service-name {
    color: #ffffff !important;
}

.service-header.active-service .service-badge {
    background-color: rgba(255, 255, 255, 0.2);
    color: #ffffff;
}

.project-name {
    font-weight: 700;
    font-size: 0.875rem;
    letter-spacing: 0.02em;
    flex: 1;
}

.service-name {
    font-weight: 500;
    font-size: 0.85rem;
    color: var(--text-secondary);
    flex: 1;
}

.project-count,
.service-badge {
    margin-left: auto;
    background-color: rgba(59, 130, 246, 0.15);
    color: var(--accent);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 600;
    font-family: 'Fira Code', monospace;
}

.chevron {
    transition: transform 0.2s;
    color: var(--text-secondary);
    opacity: 0.6;
}

.collapsed .chevron {
    transform: rotate(-90deg);
}

.collapsed+.children {
    display: none;
}

.service-list {
    padding: 0 0 8px;
}

.level-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.825rem;
    border-radius: 6px;
    margin: 2px 0 2px 48px;
    transition: all 0.2s ease;
}

.level-link:hover {
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

.level-link.active {
    background-color: var(--bg-sidebar-active) !important;
    color: #ffffff !important;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.level-badge {
    margin-left: auto;
    background-color: rgba(255, 255, 255, 0.1);
    padding: 1px 6px;
    border-radius: 6px;
    font-size: 0.7rem;
    font-family: 'Fira Code', monospace;
}

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

.main-header {
    padding: 24px 32px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(to bottom, rgba(59, 130, 246, 0.03), transparent);
}

.header-info h2 {
    margin: 8px 0 0 0;
    font-size: 1.75rem;
    font-weight: 700;
}

.header-subtitle {
    margin: 4px 0 0 0;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.breadcrumbs a {
    color: var(--accent);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: color 0.2s;
}

.breadcrumbs a:hover {
    color: var(--accent-hover);
}

.breadcrumbs .sep {
    color: var(--border);
}

.breadcrumbs .current {
    color: var(--text-primary);
    font-weight: 600;
}

.tag-info {
    background: #3b82f633;
    color: #60a5fa;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.75rem;
}

.tag-error {
    background: #ef444433;
    color: #f87171;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.75rem;
}

.tag-warn {
    background: #f59e0b33;
    color: #fbbf24;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.75rem;
}

/* Content Area */
.content-area {
    flex: 1;
    overflow-y: auto;
    background-color: var(--bg-body);
}

/* Dates List View */
.dates-container {
    padding: 0;
    max-width: 900px;
    margin: 0 auto;
}

.dates-header {
    padding: 40px 40px 24px;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(to bottom, rgba(59, 130, 246, 0.03), transparent);
}

.dates-header h3 {
    margin: 0 0 8px 0;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.dates-subtitle {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.dates-list {
    padding: 16px;
}

.date-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    margin-bottom: 12px;
    overflow: hidden;
    transition: all 0.2s ease;
}

.date-item:hover {
    border-color: var(--accent);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.1);
}

.date-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    cursor: pointer;
    user-select: none;
    background: var(--bg-card);
    transition: background 0.2s ease;
}

.date-header:hover {
    background: rgba(59, 130, 246, 0.05);
}

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

.date-chevron {
    color: var(--text-secondary);
    transition: transform 0.2s ease;
}

.date-item.collapsed .date-chevron {
    transform: rotate(-90deg);
}

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

.date-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: 'Fira Code', monospace;
}

.date-count {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-family: 'Fira Code', monospace;
    background: rgba(59, 130, 246, 0.1);
    padding: 4px 12px;
    border-radius: 12px;
}

.date-badges {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.date-badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.date-badge.badge-error {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.2), rgba(220, 38, 38, 0.1));
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.date-badge.badge-warn {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(217, 119, 6, 0.1));
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.date-badge.badge-info {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(37, 99, 235, 0.1));
    color: var(--accent);
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.date-levels {
    border-top: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.02);
    max-height: 500px;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.date-item.collapsed .date-levels {
    max-height: 0;
    border-top: none;
}

.level-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    text-decoration: none;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border);
    transition: all 0.2s ease;
    position: relative;
}

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

.level-item:hover {
    background: rgba(59, 130, 246, 0.08);
    padding-left: 28px;
}

.level-icon-wrapper {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.level-item.level-error .level-icon-wrapper {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.15), rgba(220, 38, 38, 0.05));
    color: var(--error);
}

.level-item.level-warn .level-icon-wrapper {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(217, 119, 6, 0.05));
    color: var(--warning);
}

.level-item.level-info .level-icon-wrapper {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(37, 99, 235, 0.05));
    color: var(--accent);
}

.level-label {
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: capitalize;
    flex: 1;
}

.level-count {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-family: 'Fira Code', monospace;
}

.level-arrow {
    color: var(--text-secondary);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.level-item:hover .level-arrow {
    opacity: 1;
}

.empty-state {
    padding: 60px 20px;
    text-align: center;
    color: var(--text-muted);
}

/* Selection Views */
.selection-container {
    padding: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.selection-header {
    margin-bottom: 32px;
}

.selection-header h3 {
    margin: 0 0 8px 0;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.selection-subtitle {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.selection-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.dates-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

.selection-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    transition: all 0.2s ease;
    cursor: pointer;
}

.selection-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.15);
}

.card-icon {
    width: 64px;
    height: 64px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(37, 99, 235, 0.05));
    color: var(--accent);
}

.card-icon.level-error {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.15), rgba(220, 38, 38, 0.05));
    color: var(--error);
}

.card-icon.level-warn {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(217, 119, 6, 0.05));
    color: var(--warning);
}

.card-icon.level-info {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(37, 99, 235, 0.05));
    color: var(--accent);
}

.card-info {
    text-align: center;
    width: 100%;
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
    text-transform: capitalize;
}

.card-count {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-family: 'Fira Code', monospace;
}

/* Log Container */
.log-container {
    display: flex;
    flex-direction: column;
    height: 100%;
}

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

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

.log-level-badge {
    padding: 6px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.log-level-badge.level-error {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
}

.log-level-badge.level-warn {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
}

.log-level-badge.level-info {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
}

.log-date-info {
    color: var(--text-muted);
    font-size: 0.875rem;
    font-family: 'Fira Code', monospace;
}

.log-count {
    color: var(--text-muted);
    font-size: 0.875rem;
    font-family: 'Fira Code', monospace;
}

.log-list {
    flex: 1;
    overflow-y: auto;
    padding: 24px 32px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.log-entry {
    background-color: var(--log-item-bg);
    border: 1px solid var(--border);
    border-left: 4px solid var(--border);
    border-radius: 8px;
    display: flex;
    align-items: flex-start;
    padding: 14px 18px;
    gap: 16px;
    transition: all 0.2s ease;
}

.log-entry:hover {
    transform: translateX(4px);
    border-left-color: var(--accent);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.log-entry.level-error {
    border-left-color: var(--error);
    background: linear-gradient(to right, rgba(239, 68, 68, 0.05), transparent);
}

.log-entry.level-warn,
.log-entry.level-warning {
    border-left-color: var(--warning);
    background: linear-gradient(to right, rgba(245, 158, 11, 0.05), transparent);
}

.log-entry.level-info {
    border-left-color: var(--accent);
    background: linear-gradient(to right, rgba(59, 130, 246, 0.05), transparent);
}

.log-time {
    background-color: rgba(0, 0, 0, 0.2);
    color: var(--text-secondary);
    font-family: 'Fira Code', monospace;
    font-size: 0.8rem;
    padding: 4px 8px;
    border-radius: 4px;
    flex-shrink: 0;
}

.log-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.log-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
}

.log-path {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
    font-family: 'Fira Code', monospace;
}

.log-path code {
    background: rgba(59, 130, 246, 0.1);
    padding: 2px 8px;
    border-radius: 4px;
    color: var(--accent);
    font-size: 0.85rem;
}

.log-msg {
    font-size: 0.9rem;
    line-height: 1.5;
    word-break: break-word;
    color: var(--text-secondary);
}

.log-json {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 12px;
    margin: 0;
    font-family: 'Fira Code', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--text-primary);
    overflow-x: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
}

[data-theme="light"] .log-json {
    background: rgba(0, 0, 0, 0.03);
    border-color: var(--border);
}

.theme-toggle {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 10px;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.theme-toggle:hover {
    background-color: var(--accent);
    border-color: var(--accent);
    color: white;
    transform: scale(1.05);
}

.no-selection {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 60px;
}

.no-selection svg {
    opacity: 0.3;
    margin-bottom: 24px;
}

.no-selection-text {
    color: var(--text-muted);
    font-size: 1.125rem;
    margin: 0;
}

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

::-webkit-scrollbar-track {
    background: transparent;
}

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

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