:root {
    color-scheme: light dark;
    --background: #f6f7f9;
    --surface: #ffffff;
    --surface-alt: #eef0f4;
    --text: #1c2028;
    --muted: #5d6573;
    --border: #d5d9e0;
    --accent: #2456c7;
    --accent-text: #ffffff;
    --danger: #b3261e;
}

@media (prefers-color-scheme: dark) {
    :root {
        --background: #14171c;
        --surface: #1d2127;
        --surface-alt: #282d35;
        --text: #e8eaee;
        --muted: #a2a9b5;
        --border: #3a404a;
        --accent: #8ab0ff;
        --accent-text: #10151f;
        --danger: #ff9d94;
    }
}

* {
    box-sizing: border-box;
}

body {
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    min-height: 100vh;  /* So that the footer stays at the bottom of a short page */
    margin: 0 auto;
    max-width: 1800px;
    padding: 24px 16px;
    background: var(--background);
    color: var(--text);
    font: 15px/1.45 system-ui, "Segoe UI", sans-serif;
}

header {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 4px 16px;
}

h1 {
    margin: 0;
    font-size: 26px;
}

h2 {
    margin: 0;
    font-size: 19px;
}

a {
    color: var(--accent);
}

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

input:not([type="checkbox"]),
select {
    width: 100%;
    min-height: 36px;
    padding: 6px 8px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface);
}

button {
    min-height: 36px;
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface);
    cursor: pointer;
}

button:hover {
    background: var(--surface-alt);
}

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

button.danger {
    color: var(--danger);
}

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

.language {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
    color: var(--muted);
    font-size: 13px;
}

.language select {
    width: auto;
    color: var(--text);
    font-size: 15px;
}

.filters td {
    padding: 6px;
    background: var(--surface-alt);
    vertical-align: middle;
}

.filters input,
.filters select {
    min-width: 66px;
    padding-left: 4px;
    padding-right: 2px;
    font-size: 14px;
}

.fields label {
    display: grid;
    grid-template-columns: 130px minmax(0, 1fr);
    align-items: center;
    gap: 4px 12px;
    color: var(--muted);
    font-size: 13px;
}

.fields label > input,
.fields label > select {
    grid-column: 2;
}

.fields input,
.fields select {
    color: var(--text);
    font-size: 15px;
}

tfoot {
    position: sticky;
    bottom: 0;
    z-index: 1;
}

tfoot td {
    border-top: 1px solid var(--border);
    border-bottom: 0;
    background: var(--surface-alt);
}

tfoot td.number {
    font-weight: 600;
    vertical-align: middle;
}

tfoot .count-cell,
tfoot .add-cell {
    position: sticky;
    z-index: 1;
    vertical-align: middle;
    white-space: nowrap;
}

/* Both stay visible when the table scrolls sideways */
tfoot .count-cell {
    left: 0;
}

tfoot .add-cell {
    right: 0;
    text-align: right;
}

tfoot .icon-button {
    margin-right: 0;
}

.message {
    margin: 12px 0;
    color: var(--danger);
}

.message.info {
    color: var(--muted);
}

.table-wrapper {
    overflow: auto;
    max-height: calc(100vh - 160px);  /* Leaves room for the footer */
    min-height: 320px;
    margin-top: 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

th,
td {
    padding: 8px 6px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: top;
}

thead {
    position: sticky;
    top: 0;
    z-index: 1;
}

th {
    padding: 0;
    background: var(--surface-alt);
    white-space: nowrap;
}

th span,
th button {
    display: block;
    width: 100%;
    min-height: 38px;
    padding: 8px 6px;
    border: 0;
    border-radius: 0;
    background: none;
    font-weight: 600;
    text-align: center;
}

th button:hover {
    background: var(--border);
}

td.number {
    font-variant-numeric: tabular-nums;
    text-align: right;
    white-space: nowrap;
}

td.date {
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

td.title {
    min-width: 170px;
    font-weight: 500;
}

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

td.title a:hover,
td.title a:focus-visible {
    text-decoration: underline;
}

.icon-button.busy img {
    animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {
    50% {
        opacity: 0.3;
    }
}

td.actions {
    white-space: nowrap;
}

.icon-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    min-height: 32px;
    margin-right: 4px;
    padding: 0;
}

a.icon-button {
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface);
}

a.icon-button:hover {
    background: var(--surface-alt);
}

.icon-button svg {
    width: 16px;
    height: 16px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

td.empty {
    padding: 32px;
    color: var(--muted);
    text-align: center;
}

.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    min-width: 70px;
}

.chip {
    padding: 1px 7px;
    border-radius: 10px;
    background: var(--surface-alt);
    font-size: 12px;
    white-space: nowrap;
}

dialog {
    width: min(560px, calc(100vw - 32px));
    padding: 20px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface);
    color: var(--text);
}

dialog::backdrop {
    background: rgb(0 0 0 / 50%);
}

.fields {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 14px;
}

.tags {
    display: grid;
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 12px;
    color: var(--muted);
    font-size: 13px;
}

.tags > div {
    display: grid;
    gap: 8px;
}

.fields label.check {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text);
    font-size: 15px;
}

.dialog-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 18px;
}

/* Left, centered and right; stacked and centered on narrow screens */
.site-footer {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 4px 24px;
    margin-top: auto;
    padding-top: 24px;
    color: var(--muted);
    font-size: 13px;
}

.site-footer span:last-child {
    text-align: right;
}

@media (max-width: 760px) {
    .site-footer {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .site-footer span:last-child {
        text-align: center;
    }
}