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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #1a1a2e;
    color: #e0e0e0;
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
#sidebar {
    width: 220px;
    background: #16213e;
    padding: 20px 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    padding: 0 20px 20px;
    border-bottom: 1px solid #0f3460;
}

.sidebar-header h2 {
    color: #00b4d8;
    font-size: 1.2em;
}

.sidebar-section {
    padding: 10px 0;
}

.sidebar-item {
    display: block;
    padding: 10px 20px;
    color: #a0a0a0;
    text-decoration: none;
    transition: all 0.2s;
}

.sidebar-item:hover {
    background: #0f3460;
    color: #fff;
}

.sidebar-item.active {
    background: #0f3460;
    color: #00b4d8;
    border-left: 3px solid #00b4d8;
}

.sidebar-stats {
    padding: 20px;
    font-size: 0.85em;
    color: #888;
}

/* Main content */
#content {
    margin-left: 220px;
    flex: 1;
    padding: 20px;
}

/* Page headers */
h1 {
    margin-bottom: 20px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

/* Filters */
.filters {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.filters select,
.filters input {
    padding: 6px 10px;
    background: #16213e;
    border: 1px solid #0f3460;
    color: #e0e0e0;
    border-radius: 4px;
}

.filters select:focus,
.filters input:focus {
    outline: none;
    border-color: #00b4d8;
}

/* Event cards */
.event-card {
    background: #16213e;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
    display: flex;
    gap: 15px;
    transition: border-color 0.2s;
    border: 1px solid transparent;
}

.event-card:hover {
    border-color: #0f3460;
}

.event-card img {
    width: 160px;
    height: 120px;
    object-fit: cover;
    border-radius: 4px;
    background: #1a1a2e;
}

.event-info {
    flex: 1;
}

.event-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.event-camera {
    font-weight: bold;
    color: #00b4d8;
}

.event-label {
    color: #a0a0a0;
}

.event-score {
    color: #888;
    font-size: 0.85em;
}

.event-description {
    color: #ccc;
    margin: 8px 0;
    font-size: 0.9em;
    line-height: 1.4;
}

.event-time {
    color: #666;
    font-size: 0.8em;
    margin-bottom: 6px;
}

.event-actions {
    margin-top: 10px;
    display: flex;
    gap: 8px;
}

/* Status badges */
.badge {
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.8em;
    font-weight: bold;
}

.badge-known {
    background: #2d6a4f;
    color: #95d5b2;
}

.badge-unknown {
    background: #9a4c1a;
    color: #f4a261;
}

.badge-ambiguous {
    background: #7c6f09;
    color: #ffd166;
}

.badge-unreviewed {
    background: #444;
    color: #aaa;
}

/* Buttons */
.btn {
    padding: 6px 14px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85em;
    transition: all 0.2s;
    color: #ccc;
    background: #2a2a4a;
}

.btn:hover {
    background: #3a3a5a;
    color: #fff;
}

.btn-primary {
    background: #0f3460;
    color: #fff;
}

.btn-primary:hover {
    background: #00b4d8;
}

.btn-danger {
    background: #7c2929;
    color: #fff;
}

.btn-danger:hover {
    background: #c0392b;
}

.btn-sm {
    padding: 4px 10px;
    font-size: 0.8em;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: #16213e;
    border-radius: 8px;
    padding: 25px;
    width: 450px;
    max-width: 90vw;
}

.modal-content h3 {
    margin-bottom: 15px;
    color: #00b4d8;
}

.modal-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 15px;
}

#tag-modal-snapshot {
    margin-bottom: 15px;
}

#tag-modal-snapshot img {
    width: 100%;
    max-height: 200px;
    object-fit: cover;
    border-radius: 4px;
}

/* Form elements */
.form-group {
    margin-bottom: 12px;
}

.form-group label {
    display: block;
    margin-bottom: 4px;
    color: #a0a0a0;
    font-size: 0.9em;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 8px 10px;
    background: #1a1a2e;
    border: 1px solid #0f3460;
    color: #e0e0e0;
    border-radius: 4px;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #00b4d8;
}

.form-group input[type="checkbox"] {
    width: auto;
    margin-right: 8px;
}

.form-group .checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.form-group .help-text {
    font-size: 0.8em;
    color: #666;
    margin-top: 4px;
}

/* Known objects grid */
.known-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 15px;
}

.known-card {
    background: #16213e;
    border-radius: 8px;
    padding: 15px;
    border: 1px solid transparent;
    transition: border-color 0.2s;
}

.known-card:hover {
    border-color: #0f3460;
}

.known-card h4 {
    color: #00b4d8;
    margin-bottom: 5px;
}

.known-card .type-badge {
    font-size: 0.8em;
    color: #a0a0a0;
    text-transform: capitalize;
}

.known-card .embedding-count {
    font-size: 0.8em;
    color: #666;
    margin-top: 6px;
}

.known-card .known-card-actions {
    margin-top: 10px;
    display: flex;
    gap: 8px;
}

.known-card .known-card-samples {
    display: flex;
    gap: 5px;
    margin-top: 10px;
    overflow-x: auto;
}

.known-card .known-card-samples img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 4px;
    background: #1a1a2e;
}

/* Settings */
.settings-form {
    max-width: 600px;
}

.settings-form .form-group {
    margin-bottom: 15px;
}

.settings-section {
    margin-bottom: 30px;
}

.settings-section h3 {
    color: #00b4d8;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 1px solid #0f3460;
}

/* Stats in sidebar */
.stat-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.stat-value {
    color: #00b4d8;
    font-weight: bold;
}

/* Empty state */
.empty-state {
    text-align: center;
    color: #666;
    padding: 60px 20px;
}

.empty-state p {
    margin-top: 10px;
    font-size: 0.9em;
}

/* Loading spinner */
.loading {
    text-align: center;
    padding: 40px;
    color: #666;
}

.loading::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #0f3460;
    border-top-color: #00b4d8;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-left: 10px;
    vertical-align: middle;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Toast notifications */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 12px 20px;
    border-radius: 6px;
    color: #fff;
    font-size: 0.9em;
    z-index: 2000;
    animation: slideIn 0.3s ease-out;
}

.toast-success {
    background: #2d6a4f;
}

.toast-error {
    background: #7c2929;
}

@keyframes slideIn {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Responsive */
@media (max-width: 768px) {
    #sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }

    .sidebar-section {
        display: flex;
        flex-wrap: wrap;
    }

    .sidebar-item {
        padding: 8px 15px;
    }

    .sidebar-stats {
        display: none;
    }

    #content {
        margin-left: 0;
    }

    body {
        flex-direction: column;
    }

    .event-card {
        flex-direction: column;
    }

    .event-card img {
        width: 100%;
        height: auto;
    }

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