:root {
    --background: #0b1220;
    --surface: #111b2b;
    --surface-raised: #162235;
    --border: #23324a;
    --text: #e8eef7;
    --muted: #91a1b8;
    --accent: #46c6b6;
    --accent-soft: rgba(70, 198, 182, 0.12);
    --warning: #f5be62;
    --danger: #ee8181;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--background);
    color: var(--text);
    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
}

a {
    color: inherit;
    text-decoration: none;
}

.app-shell {
    min-height: 100vh;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 76px;
    padding: 0 36px;
    border-bottom: 1px solid var(--border);
    background: var(--surface);
}

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

.brand-name {
    font-size: 18px;
    font-weight: 750;
    letter-spacing: 0.02em;
}

.brand-subtitle {
    color: var(--muted);
    font-size: 12px;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.topbar-user {
    color: var(--muted);
    font-size: 14px;
}

.admin-link {
    padding: 9px 13px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 13px;
}

.main-content {
    max-width: 1480px;
    margin: 0 auto;
    padding: 38px 36px 60px;
}

.page-heading {
    margin-bottom: 28px;
}

.page-heading h1 {
    margin: 0 0 8px;
    font-size: 30px;
    font-weight: 700;
}

.page-heading p {
    margin: 0;
    color: var(--muted);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    margin-bottom: 24px;
}

.stat-card,
.panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
}

.stat-card {
    min-height: 126px;
    padding: 20px;
}

.stat-label {
    display: block;
    margin-bottom: 14px;
    color: var(--muted);
    font-size: 13px;
}

.stat-value {
    font-size: 32px;
    font-weight: 750;
}

.content-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 22px;
    align-items: start;
}

.panel {
    overflow: hidden;
}

.panel + .panel {
    margin-top: 22px;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 20px;
    border-bottom: 1px solid var(--border);
}

.panel-title {
    margin: 0;
    font-size: 16px;
    font-weight: 650;
}

.panel-link {
    color: var(--accent);
    font-size: 13px;
}

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

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

th,
td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    font-size: 13px;
}

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

th {
    color: var(--muted);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.record-link {
    color: var(--text);
    font-weight: 600;
}

.record-link:hover,
.panel-link:hover {
    color: var(--accent);
}

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

.score-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    padding: 6px 9px;
    border-radius: 7px;
    background: var(--accent-soft);
    color: var(--accent);
    font-weight: 700;
}

.score-medium {
    background: rgba(245, 190, 98, 0.12);
    color: var(--warning);
}

.score-low {
    background: rgba(145, 161, 184, 0.12);
    color: var(--muted);
}

.research-list {
    padding: 6px 0;
}

.research-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
}

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

.research-count {
    font-weight: 700;
    color: var(--warning);
}

.empty-state {
    padding: 24px 20px;
    color: var(--muted);
    font-size: 13px;
}

.primary-nav {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-link {
    padding: 9px 11px;
    border-radius: 7px;
    color: var(--muted);
    font-size: 13px;
}

.nav-link:hover {
    background: var(--surface-raised);
    color: var(--text);
}

.logout-form {
    margin: 0;
}

.logout-button {
    padding: 9px 13px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: transparent;
    color: var(--text);
    font: inherit;
    font-size: 13px;
    cursor: pointer;
}

.logout-button:hover,
.admin-link:hover {
    border-color: var(--accent);
    color: var(--accent);
}



@media (max-width: 1000px) {
    .stats-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .content-grid {
        grid-template-columns: 1fr;
    }
   
    .primary-nav {
    display: none;
    }    
}

@media (max-width: 620px) {
    .topbar {
        padding: 0 18px;
    }

    .main-content {
        padding: 28px 18px 45px;
    }

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

    .topbar-user {
        display: none;
    }
}