:root {
    color-scheme: dark;
    --bg: #07111f;
    --bg-deep: #040b16;
    --panel: rgba(11, 24, 42, 0.9);
    --panel-strong: rgba(15, 31, 54, 0.96);
    --panel-soft: rgba(20, 39, 67, 0.92);
    --line: rgba(118, 158, 212, 0.2);
    --line-strong: rgba(126, 174, 235, 0.34);
    --text: #edf4ff;
    --muted: #9eb6d4;
    --accent: #4cb4ff;
    --accent-strong: #6dc4ff;
    --accent-soft: rgba(54, 124, 203, 0.24);
    --danger: #ff8f98;
    --danger-soft: rgba(255, 120, 130, 0.14);
    --success-soft: rgba(91, 211, 180, 0.12);
    --shadow: 0 24px 60px rgba(1, 7, 17, 0.45);
    --radius: 18px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background:
        radial-gradient(circle at top right, rgba(76, 180, 255, 0.12), transparent 24%),
        radial-gradient(circle at top left, rgba(79, 126, 255, 0.1), transparent 18%),
        linear-gradient(180deg, #091427 0%, var(--bg) 42%, var(--bg-deep) 100%);
    color: var(--text);
    font: 14px/1.5 "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.app-header,
.tab-nav,
.layout-grid,
.login-shell {
    max-width: 1680px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    padding-top: 28px;
    padding-bottom: 10px;
}

.app-header h1,
.login-card h1 {
    margin: 0;
    font-size: 34px;
    line-height: 1.1;
}

.app-kicker,
.login-kicker {
    font-size: 12px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 8px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-user,
.page-chip,
.muted-copy,
.panel-topline p {
    color: var(--muted);
}

.tab-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding-bottom: 16px;
}

.tab-link {
    background: rgba(13, 29, 49, 0.82);
    border: 1px solid var(--line);
    padding: 10px 16px;
    border-radius: 999px;
    color: var(--muted);
}

.tab-link.is-active {
    background: linear-gradient(135deg, rgba(76, 180, 255, 0.22), rgba(53, 109, 217, 0.32));
    border-color: var(--line-strong);
    color: var(--text);
    text-decoration: none;
    box-shadow: inset 0 0 0 1px rgba(126, 174, 235, 0.14);
}

.layout-grid {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr) 420px;
    gap: 18px;
    padding-bottom: 28px;
}

.panel,
.login-card {
    background: linear-gradient(180deg, var(--panel-strong) 0%, var(--panel) 100%);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    backdrop-filter: blur(14px);
}

.panel {
    padding: 18px;
}

.panel-heading,
.subpanel-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.filters-panel h2,
.table-panel h2,
.detail-panel h2,
.related-block h3 {
    margin: 0 0 12px;
}

.subpanel-heading {
    margin-bottom: 10px;
}

.subpanel-heading h3 {
    margin: 0;
    font-size: 15px;
}

.panel-topline {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 16px;
    margin-bottom: 14px;
}

.filters-form,
.login-form {
    display: grid;
    gap: 12px;
}

.saved-views-block,
.columns-block {
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(18, 37, 62, 0.82);
    padding: 14px;
    margin-bottom: 14px;
}

.saved-views-controls,
.saved-view-editor {
    display: grid;
    gap: 10px;
}

.saved-view-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.saved-view-status {
    margin: 10px 0 0;
}

.checkbox-row {
    display: flex !important;
    align-items: center;
    gap: 8px;
}

.checkbox-row input {
    width: auto;
}

.column-config-list {
    display: grid;
    gap: 8px;
}

.column-config-item {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
    padding: 10px 12px;
    border: 1px solid rgba(120, 164, 223, 0.2);
    border-radius: 12px;
    background: rgba(10, 23, 40, 0.92);
}

.column-config-main label {
    display: flex;
    align-items: center;
    gap: 8px;
}

.column-config-actions {
    display: flex;
    gap: 6px;
}

.filters-form label,
.login-form label {
    display: grid;
    gap: 6px;
}

input,
select,
button {
    font: inherit;
}

input,
select {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: rgba(7, 19, 35, 0.96);
    padding: 10px 12px;
    color: var(--text);
}

input::placeholder {
    color: rgba(158, 182, 212, 0.72);
}

input:focus,
select:focus,
button:focus,
.ghost-link:focus,
.ghost-button:focus {
    outline: none;
    border-color: var(--accent-strong);
    box-shadow: 0 0 0 3px rgba(76, 180, 255, 0.16);
}

button,
.ghost-link,
.ghost-button {
    border-radius: 10px;
    padding: 10px 14px;
}

.compact-button {
    padding: 8px 10px;
    font-size: 12px;
}

button {
    border: 0;
    background: linear-gradient(135deg, #3d8fff 0%, #59c3ff 100%);
    color: #04101e;
    cursor: pointer;
    font-weight: 600;
}

.ghost-link,
.ghost-button {
    border: 1px solid var(--line);
    background: rgba(12, 28, 47, 0.72);
    color: var(--text);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.ghost-link:hover,
.ghost-button:hover,
button:hover,
.tab-link:hover {
    text-decoration: none;
    filter: brightness(1.06);
}

.ghost-link.is-disabled {
    opacity: 0.45;
    pointer-events: none;
}

.danger-button {
    border-color: rgba(255, 143, 152, 0.22);
    background: var(--danger-soft);
    color: var(--danger);
}

.filters-actions,
.pager {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.table-wrap {
    overflow: auto;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(7, 18, 32, 0.96);
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 840px;
}

.compact table {
    min-width: 620px;
}

th,
td {
    padding: 11px 12px;
    border-bottom: 1px solid rgba(118, 158, 212, 0.14);
    text-align: left;
    vertical-align: top;
}

th {
    position: sticky;
    top: 0;
    background: rgba(13, 29, 49, 0.98);
    z-index: 1;
    font-size: 12px;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--muted);
}

tr:hover td {
    background: rgba(76, 180, 255, 0.06);
}

tbody tr[data-row-href] {
    cursor: pointer;
}

.selected-row td {
    background: var(--accent-soft);
}

.empty-state {
    text-align: center;
    color: var(--muted);
    padding: 30px 12px;
}

.detail-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 14px;
}

.layout-grid.filters-collapsed {
    grid-template-columns: 78px minmax(0, 1fr) 420px;
}

.layout-grid.detail-collapsed {
    grid-template-columns: 280px minmax(0, 1fr) 88px;
}

.layout-grid.filters-collapsed .filters-panel > :not(.panel-heading),
.layout-grid.detail-collapsed .detail-panel > :not(.panel-heading) {
    display: none;
}

.detail-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    margin: 0;
}

.detail-grid dt {
    margin-top: 12px;
    font-weight: 700;
    color: var(--muted);
}

.detail-grid dd {
    margin: 4px 0 0;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(118, 158, 212, 0.12);
}

.related-block {
    margin-top: 22px;
}

.login-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
}

.login-card {
    width: min(100%, 460px);
    padding: 34px;
}

.login-copy {
    color: var(--muted);
    margin: 10px 0 18px;
}

.alert {
    border-radius: 12px;
    padding: 12px 14px;
    margin-bottom: 14px;
}

.alert-error {
    background: var(--danger-soft);
    color: var(--danger);
    border: 1px solid rgba(255, 143, 152, 0.22);
}

::selection {
    background: rgba(76, 180, 255, 0.28);
    color: var(--text);
}

@media (max-width: 1380px) {
    .layout-grid {
        grid-template-columns: 260px minmax(0, 1fr);
    }

    .layout-grid.filters-collapsed,
    .layout-grid.detail-collapsed {
        grid-template-columns: 92px minmax(0, 1fr);
    }

    .detail-panel {
        grid-column: 1 / -1;
    }
}

@media (max-width: 900px) {
    .app-header,
    .tab-nav,
    .layout-grid,
    .login-shell {
        padding-left: 16px;
        padding-right: 16px;
    }

    .app-header {
        flex-direction: column;
        align-items: flex-start;
    }

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

    .layout-grid.filters-collapsed,
    .layout-grid.detail-collapsed {
        grid-template-columns: 1fr;
    }

    table {
        min-width: 680px;
    }
}