:root {
    --bg-color: #f4f4f9;
    --card-bg: #ffffff;
    --text-color: #333;
    --accent-color: #4a90e2;
    --border-color: #ddd;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

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

.card {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 20px;
    position: relative;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.card-title {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.card-title h3 {
    margin: 0;
}

.card-control {
    padding: 6px 8px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    min-width: 160px;
}

.card-expand-btn {
    border: none;
    background: transparent;
    color: var(--accent-color);
    cursor: pointer;
    padding: 4px 6px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    line-height: 1;
}

.card-expand-btn:hover,
.card-expand-btn:focus-visible {
    background-color: rgba(74, 144, 226, 0.12);
    outline: none;
}

.card.is-expanded {
    box-shadow: 0 10px 40px rgba(0,0,0,0.25);
}

.card-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 1000;
}

.card-overlay.visible {
    display: flex;
}

.card-overlay-content {
    position: relative;
    width: min(1100px, 95vw);
    max-height: 92vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.card-overlay-body {
    overflow: auto;
    background: transparent;
    padding: 0;
}

.card-overlay-body .card {
    margin: 0;
    height: 100%;
}

.card-overlay-close {
    position: absolute;
    top: 10px;
    right: 10px;
    border: none;
    background: rgba(0, 0, 0, 0.4);
    color: #fff;
    font-size: 1.5rem;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
}

.card-overlay-close:hover,
.card-overlay-close:focus-visible {
    background: rgba(0, 0, 0, 0.6);
    outline: none;
}

.status-badge {
    padding: 5px 10px;
    border-radius: 4px;
    font-weight: bold;
    background: #eee;
}

.status-badge.active { background: #d4edda; color: #155724; }
.status-badge.missing { background: #f8d7da; color: #721c24; }

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

.form-hint {
    margin: 6px 0 0;
    color: #666;
    font-size: 0.9rem;
}

.text-muted {
    color: #666;
    font-size: 0.9rem;
}

input[type="password"] {
    width: 100%;
    padding: 8px;
    margin-top: 5px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.btn {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
}

.btn:hover {
    opacity: 0.9;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.metric h3 { margin: 0 0 10px 0; font-size: 1rem; color: #666; }
.metric p { margin: 0; font-size: 2rem; font-weight: bold; }

.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    .charts-grid { grid-template-columns: 1fr; }
}

.table-wrapper {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    text-align: left;
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: #f8f9fa;
    font-weight: 600;
    position: relative;
}

.sort-button {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    background: none;
    border: none;
    color: inherit;
    font: inherit;
    cursor: pointer;
    padding: 0;
}

.sort-button::after {
    content: '';
    border-style: solid;
    border-width: 0 4px 6px 4px;
    border-color: transparent transparent var(--text-color) transparent;
    opacity: 0.35;
    transition: transform 0.1s ease;
}

.sort-button.sort-asc::after {
    border-width: 6px 4px 0 4px;
    border-color: var(--text-color) transparent transparent transparent;
}

.sort-button.sort-desc::after {
    border-width: 0 4px 6px 4px;
    border-color: transparent transparent var(--text-color) transparent;
}

.sort-button.is-active {
    color: var(--accent-color);
}

.tooltip {
    cursor: help;
    font-size: 0.8em;
    margin-left: 5px;
    opacity: 0.7;
}

.tooltip:hover {
    opacity: 1;
}