:root {
    color-scheme: light dark;
    --bg: #f3f6f8;
    --surface: #ffffff;
    --surface-2: #f8fafc;
    --surface-3: #eef3f6;
    --border: #d7e0e7;
    --border-strong: #b8c8d4;
    --text: #17212b;
    --muted: #607080;
    --accent: #0078d4;
    --accent-2: #006cbe;
    --accent-soft: #e6f3fd;
    --success: #23784c;
    --danger: #b42318;
    --danger-bg: #fff1f0;
    --warning-bg: #fff8e6;
    --warning: #906300;
    --shadow: 0 12px 30px rgba(18, 34, 51, .08);
    font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0f171b;
        --surface: #17212b;
        --surface-2: #1d2a35;
        --surface-3: #263542;
        --border: #314554;
        --border-strong: #486171;
        --text: #eef5f8;
        --muted: #a7b7c4;
        --accent: #4cb3ff;
        --accent-2: #75c5ff;
        --accent-soft: #173149;
        --danger-bg: #3a1d1b;
        --warning-bg: #332a12;
        --warning: #f2c35b;
        --shadow: 0 12px 30px rgba(0, 0, 0, .22);
    }
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
}

button,
input,
select,
textarea {
    font: inherit;
}

button {
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface-2);
    color: var(--text);
    min-height: 34px;
    padding: 7px 11px;
    cursor: pointer;
}

button:hover:not(:disabled) {
    border-color: var(--border-strong);
    background: var(--surface-3);
}

button:disabled {
    cursor: default;
    opacity: .55;
}

button.primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

button.primary:hover:not(:disabled) {
    background: var(--accent-2);
}

button.secondary {
    background: transparent;
}

button.danger {
    background: var(--danger-bg);
    border-color: color-mix(in srgb, var(--danger) 35%, var(--border));
    color: var(--danger);
}

button.link-button {
    border: 0;
    background: transparent;
    color: var(--accent);
    padding-left: 0;
    text-align: left;
}

label {
    display: grid;
    gap: 5px;
    color: var(--muted);
    font-size: 12px;
}

input,
select,
textarea {
    width: 100%;
    min-height: 34px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface);
    color: var(--text);
    padding: 7px 9px;
}

textarea {
    resize: vertical;
}

h1,
h2,
h3 {
    margin: 0;
    line-height: 1.2;
}

h1 {
    font-size: 22px;
}

h2 {
    font-size: 16px;
}

h3 {
    font-size: 14px;
}

p {
    margin: 0;
}

code,
.mono {
    font-family: "Cascadia Mono", Consolas, monospace;
    overflow-wrap: anywhere;
}

.hidden {
    display: none !important;
}

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

.auth-panel {
    width: min(460px, calc(100vw - 28px));
    margin: 7vh auto 0;
}

.brand {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 16px;
}

.brand img {
    width: 34px;
    height: 34px;
    object-fit: contain;
}

.brand img.brand-logo,
.brand-logo {
    width: auto;
    height: auto;
    max-width: 190px;
    max-height: 52px;
}

.auth-brand {
    display: grid;
    justify-items: center;
    gap: 10px;
    text-align: center;
}

.auth-brand h1 {
    font-size: 24px;
}

.topbar p,
.hint {
    color: var(--muted);
    font-size: 12px;
}

.panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 14px;
}

.stack {
    display: grid;
    gap: 12px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.admin-app {
    display: grid;
    grid-template-columns: 238px minmax(0, 1fr);
    min-height: 100vh;
}

.sidebar {
    display: grid;
    grid-template-rows: auto 1fr auto;
    gap: 14px;
    padding: 12px;
    border-right: 1px solid var(--border);
    background: var(--surface);
}

.sidebar-brand {
    display: grid;
    gap: 8px;
}

.sidebar-brand img {
    width: 176px;
    max-width: 100%;
    height: auto;
}

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

nav {
    display: grid;
    align-content: start;
    gap: 8px;
}

.nav-item {
    justify-content: start;
    text-align: left;
}

.nav-item.selected {
    border-color: var(--accent);
    background: var(--accent-soft);
}

.workspace {
    min-width: 0;
    display: grid;
    grid-template-rows: auto 1fr auto;
    gap: 10px;
    padding: 12px;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px;
}

.module-view {
    min-height: 0;
}

.split {
    display: grid;
    grid-template-columns: minmax(280px, 380px) minmax(0, 1fr);
    gap: 10px;
    min-height: calc(100vh - 116px);
}

.list-pane,
.detail-pane {
    min-height: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

.pane-head {
    display: grid;
    gap: 10px;
    padding: 10px;
    border-bottom: 1px solid var(--border);
    background: var(--surface-2);
}

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

.scroll {
    overflow: auto;
    max-height: calc(100vh - 225px);
}

.row-button {
    width: 100%;
    display: grid;
    gap: 4px;
    padding: 10px;
    border: 0;
    border-bottom: 1px solid var(--border);
    border-radius: 0;
    background: transparent;
    text-align: left;
}

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

.tender-group {
    border-bottom: 1px solid var(--border);
}

.tender-group-head {
    display: grid;
    gap: 5px;
    padding: 10px;
    background: var(--surface-2);
    border-bottom: 1px solid var(--border);
}

.tender-group-title-row,
.row-line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.tender-group-title {
    font-weight: 700;
}

.tender-row {
    border-left: 4px solid transparent;
    padding-left: 10px;
}

.tender-row.portal-active {
    border-left-color: var(--accent);
}

.tender-row.portal-submitted {
    border-left-color: var(--success);
}

.tender-row.portal-review {
    border-left-color: var(--warning);
}

.tender-row.portal-disabled {
    border-left-color: var(--danger);
}

.tender-row.portal-none {
    border-left-color: var(--border-strong);
}

.row-title {
    font-weight: 600;
}

.row-meta,
.muted {
    color: var(--muted);
    font-size: 12px;
}

.detail-content {
    display: grid;
    gap: 12px;
    padding: 12px;
    overflow: auto;
    max-height: calc(100vh - 150px);
}

.section {
    display: grid;
    gap: 10px;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px;
    background: var(--surface);
}

.section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.pill {
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 2px 8px;
    color: var(--muted);
    font-size: 12px;
}

.pill.success {
    color: var(--success);
    border-color: color-mix(in srgb, var(--success) 35%, var(--border));
}

.pill.warning {
    color: var(--warning);
    background: var(--warning-bg);
}

.pill.portal-active,
.pill.tender-issued {
    color: var(--accent);
    border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
    background: var(--accent-soft);
}

.pill.portal-submitted,
.pill.tender-awarded {
    color: var(--success);
    border-color: color-mix(in srgb, var(--success) 40%, var(--border));
    background: color-mix(in srgb, var(--success) 10%, transparent);
}

.pill.portal-review,
.pill.tender-working,
.pill.tender-on-hold,
.pill.tender-awaiting-addendum {
    color: var(--warning);
    border-color: color-mix(in srgb, var(--warning) 45%, var(--border));
    background: var(--warning-bg);
}

.pill.portal-disabled,
.pill.tender-closed,
.pill.tender-cancelled {
    color: var(--danger);
    border-color: color-mix(in srgb, var(--danger) 40%, var(--border));
    background: var(--danger-bg);
}

.pill.portal-none {
    color: var(--muted);
    background: var(--surface-2);
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.table th,
.table td {
    border-bottom: 1px solid var(--border);
    padding: 7px;
    text-align: left;
    vertical-align: top;
}

.table th {
    color: var(--muted);
    font-weight: 600;
    background: var(--surface-2);
}

.empty {
    color: var(--muted);
    padding: 18px;
    text-align: center;
}

.message {
    min-height: 20px;
    color: var(--danger);
    font-size: 13px;
}

.message.ok {
    color: var(--success);
}

.info-box {
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface-2);
    padding: 10px;
    display: grid;
    gap: 8px;
}

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

.booking-days,
.inline-rows {
    display: grid;
    gap: 8px;
}

.inline-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 92px 92px auto;
    gap: 8px;
    align-items: end;
}

@media (max-width: 980px) {
    .admin-app {
        grid-template-columns: 1fr;
    }

    .sidebar {
        grid-template-columns: 1fr auto;
        grid-template-rows: auto auto;
        border-right: 0;
        border-bottom: 1px solid var(--border);
    }

    nav {
        grid-column: 1 / -1;
        grid-auto-flow: column;
        grid-auto-columns: minmax(120px, 1fr);
        overflow-x: auto;
    }

    .split {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .scroll,
    .detail-content {
        max-height: none;
    }
}

@media (max-width: 720px) {
    .grid,
    .grid-3,
    .inline-row {
        grid-template-columns: 1fr;
    }

    .topbar {
        align-items: stretch;
        flex-direction: column;
    }
}