:root {
    --primary-color: #635bff;
    --primary-hover: #4b45c6;
    --bg-color: #f4f5f7;
    --card-bg: #ffffff;
    --text-color: #172b4d;
    --text-secondary: #6b778c;
    --border-color: #dfe1e6;
    --success-color: #36b37e;
    --warning-color: #ffab00;
    --danger-color: #ff5630;
    --info-color: #0065ff;
}

body {
    padding: 2rem;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-color);
    margin-bottom: 1rem;
}

.header {
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.header h1 {
    margin-bottom: 0.2rem;
    color: var(--primary-color);
}

.header p {
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* Connection Status */
.connection-status {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.connection-status.connected {
    background: #e3fcef;
    color: #006644;
}

.connection-status.disconnected {
    background: #ffebe6;
    color: #bf2600;
}

.connection-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.connection-dot.connected {
    background: var(--success-color);
    box-shadow: 0 0 0 2px rgba(54, 179, 126, 0.2);
}

.connection-dot.disconnected {
    background: var(--danger-color);
}

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.12);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card h2 {
    font-size: 1.2rem;
    margin-bottom: 1.2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.8rem;
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
}

.stat-item {
    text-align: center;
    padding: 1rem;
    background: #f9f9fa;
    border-radius: 6px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.stat-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 0.5rem;
}

/* Filters */
.filter-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    align-items: flex-start;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.label-with-action {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.button-link {
    background: none;
    border: none;
    color: var(--primary-color);
    padding: 0;
    font-size: 0.8rem;
    cursor: pointer;
    text-decoration: none;
}

.button-link:hover {
    text-decoration: underline;
    color: var(--primary-hover);
}

.filter-group label {
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0;
}

.filter-group select,
.filter-group input[type="text"] {
    margin-bottom: 0;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 0.5rem;
    height: 38px;
    background-color: #fff;
}

.filter-group select[multiple] {
    height: auto;
    min-height: 38px;
    padding: 0.2rem;
}

.search-group {
    flex-grow: 1;
    min-width: 200px;
}

.reload-button {
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    padding: 0 1.2rem;
    height: 38px;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 3.0rem; /* Align with search field visually */
}

.reload-button:hover {
    background: var(--primary-hover);
}

/* Table */
table {
    width: 100%;
    border-collapse: collapse;
}

thead th {
    text-align: left;
    padding: 0.8rem 1rem;
    border-bottom: 2px solid var(--border-color);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
}

tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background 0.15s;
}

tbody tr:last-child {
    border-bottom: none;
}

tbody tr:hover {
    background-color: #f9f9fa;
    cursor: pointer;
}

tbody td {
    padding: 0.8rem 1rem;
    color: var(--text-color);
}

/* Status & Priority Badges */
.status-open { color: var(--info-color); font-weight: 500; }
.status-closed { color: var(--success-color); font-weight: 500; }
.status-in-progress { color: var(--warning-color); font-weight: 500; }

.priority-1 { 
    color: var(--danger-color); 
    font-weight: bold;
    background: #ffebe6;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.85rem;
}
.priority-2 { color: var(--warning-color); }
.priority-3 { color: var(--success-color); }

/* Loading & Error */
.loading-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(255, 255, 255, 0.8);
    z-index: 999;
    justify-content: center;
    align-items: center;
}
.loading-overlay.active { display: flex; }

.spinner {
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 30px; height: 30px;
    animation: spin 1s linear infinite;
}
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

.error-message {
    display: none;
    padding: 1rem;
    margin-bottom: 1.5rem;
    background: #ffebe6;
    border: 1px solid #ffbdad;
    border-radius: 4px;
    color: #bf2600;
}
.error-message.active { display: block; }

/* Modal */
.modal { display: none; position: fixed; z-index: 1000; left: 0; top: 0; width: 100%; height: 100%; overflow: auto; background-color: rgba(9, 30, 66, 0.54); }
.modal-content { background-color: #fff; margin: 5% auto; padding: 0; border-radius: 8px; width: 80%; max-width: 800px; box-shadow: 0 8px 16px rgba(0,0,0,0.24); }
.modal-content h2 { margin: 0; padding: 1.5rem; border-bottom: 1px solid var(--border-color); font-size: 1.4rem; }
#modal-body { padding: 1.5rem; }
.close { color: var(--text-secondary); float: right; font-size: 1.5rem; font-weight: bold; cursor: pointer; margin-top: -0.5rem; }
.close:hover { color: var(--text-color); }

/* Mobile */
@media screen and (max-width: 768px) {
    body { padding: 1rem; }
    .header { flex-direction: column; align-items: flex-start; gap: 1rem; }
    .filter-controls { flex-direction: column; align-items: stretch; gap: 1rem; }
    .filter-group { width: 100%; }
    .search-group { width: 100%; }
    
    table { display: none; }
    .issues-card-view { display: block; }
    
    .issue-card {
        background: #fff;
        border: 1px solid var(--border-color);
        border-radius: 8px;
        padding: 1rem;
        margin-bottom: 1rem;
        cursor: pointer;
    }
    .issue-card-header { display: flex; justify-content: space-between; margin-bottom: 0.5rem; }
    .issue-card-id { font-weight: bold; color: var(--text-secondary); }
    .issue-card-title { font-size: 1.1rem; margin: 0.5rem 0; font-weight: 600; }
    .issue-card-meta { display: flex; gap: 1rem; font-size: 0.9rem; color: var(--text-secondary); }
}

@media screen and (min-width: 769px) {
    .issues-card-view { display: none; }
}