:root {
    --color-border: #e0e0e0;
    --color-bg-aside: #f6f7f9;
    --color-bg-main: #fff;
    --color-text: #1a1a1a;
    --color-muted: #5c5c5c;
    --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    --space: 1rem;
    --radius: 8px;
    /* Top row height is fixed: logo scales inside this band; header does not grow with the logo */
    --app-shell-header-height: 3.5rem;
    --transition-duration: 0.2s;
    --transition-timing: ease;
    --transition: var(--transition-duration) var(--transition-timing);
    --dashboard-item-width: 15rem;
    --dashboard-item-min-height: 7rem;
    /* Shorter tiles than dashboard (1.5x lower min height) */
    --email-integration-item-min-height: calc(7rem / 1.3);
    /* Title + card padding + up to 5 email lines (0.9rem × 1.35 line-height) */
    --email-channel-item-min-height: calc(2rem + (1.25rem * 1.25) + 5 * (0.9rem * 1.35));
    --process-statistic-item-width: min(100%, calc(var(--dashboard-item-width) * 2));
    --process-statistic-item-min-height: 8.5rem;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    height: 100%;
}

body {
    margin: 0;
    min-height: 100%;
    font-family: var(--font-sans);
    color: var(--color-text);
    line-height: 1.45;
}

.app-shell {
    display: grid;
    grid-template-columns: minmax(0, 15%) 1fr;
    grid-template-rows: var(--app-shell-header-height) minmax(0, 1fr);
    grid-template-areas:
        "logo header"
        "sidebar main";
    min-height: 100vh;
    min-width: 0;
}

.app-shell-logo {
    grid-area: logo;
    align-self: stretch;
    box-sizing: border-box;
    height: 100%;
    min-height: 0;
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    /* Same band height as header; no vertical padding so the logo can use the full row height */
    padding: 0 var(--space);
    border-right: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-aside);
    text-decoration: none;
    color: inherit;
    transition:
        filter var(--transition),
        background-color var(--transition),
        color var(--transition);
}

.app-shell-logo:hover {
    filter: brightness(0.97);
}

.app-shell-logo:focus-visible {
    outline: 2px solid var(--color-text);
    outline-offset: 2px;
}

.app-shell-logo img {
    display: block;
    /* Fit inside the header row: as tall as the row allows, never cropped */
    max-height: 100%;
    max-width: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    object-position: center;
}

.app-shell-header {
    grid-area: header;
    height: 100%;
    min-height: 0;
    min-width: 0;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-aside);
    box-sizing: border-box;
}

.app-shell-sidebar {
    grid-area: sidebar;
    border-right: 1px solid var(--color-border);
    background: var(--color-bg-aside);
    padding: var(--space);
    min-width: 0;
    overflow: auto;
}

.app-shell-main {
    grid-area: main;
    min-width: 0;
    padding: var(--space);
    background: var(--color-bg-main);
    overflow: auto;
}

.nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-list li {
    margin: 0;
}

/* Bullet inside the link so hover/focus/active cover dot + label */
.nav-list a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.65rem;
    border-radius: 6px;
    color: var(--color-text);
    text-decoration: none;
    transition:
        background-color var(--transition),
        color var(--transition),
        box-shadow var(--transition);
}

.nav-list a::before {
    content: '';
    width: 0.35rem;
    height: 0.35rem;
    border-radius: 50%;
    background: var(--color-muted);
    flex-shrink: 0;
    transition: background-color var(--transition);
}

.nav-item-active a::before,
.nav-item-active a.nav-link-active::before {
    background: var(--color-text);
}

.nav-list a:hover {
    background: rgba(0, 0, 0, 0.05);
}

.nav-list a:focus-visible {
    outline: 2px solid var(--color-text);
    outline-offset: 2px;
}

.nav-item-active a,
.nav-item-active a.nav-link-active {
    font-weight: 600;
    background: rgba(0, 0, 0, 0.08);
}

.content-panel {
    max-width: 42rem;
    padding: 1rem 1.25rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    transition:
        border-color var(--transition),
        box-shadow var(--transition);
}

.content-panel h1 {
    font-size: 1.35rem;
    margin: 0 0 0.75rem;
}

.content-panel p {
    margin: 0;
    color: var(--color-muted);
}

.dashboard-items,
.email-integration-items,
.email-channel-items,
.process-statistic-items {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: stretch;
}

.dashboard-item,
.email-integration-item,
.email-channel-item,
.process-statistic-item {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    flex: 0 0 var(--dashboard-item-width);
    width: var(--dashboard-item-width);
    max-width: var(--dashboard-item-width);
    padding: 1rem 1.25rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text);
    box-sizing: border-box;
}

.dashboard-item {
    min-height: var(--dashboard-item-min-height);
    background: var(--color-bg-aside);
}

.email-integration-item {
    min-height: var(--email-integration-item-min-height);
    cursor: default;
}

.email-channel-item {
    min-height: var(--email-channel-item-min-height);
    cursor: default;
    background: var(--color-bg-aside);
}

.process-statistic-item {
    flex: 0 0 var(--process-statistic-item-width);
    width: var(--process-statistic-item-width);
    max-width: var(--process-statistic-item-width);
    min-height: var(--process-statistic-item-min-height);
    cursor: default;
}

.process-statistic-item--no_info {
    background: var(--color-bg-aside);
}

.process-statistic-item--error {
    background: #ffebee;
}

.process-statistic-item--success {
    background: #e8f5e9;
}

.process-statistic-item--warning {
    background: #fff3e0;
}

.process-statistic-item--link {
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    border-color: #c5cad3;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    transition:
        border-color var(--transition),
        box-shadow var(--transition),
        filter var(--transition);
}

.process-statistic-item--link:hover {
    filter: brightness(0.97);
    border-color: #a8b0bd;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.process-statistic-item--link:focus-visible {
    outline: 2px solid var(--color-text);
    outline-offset: 2px;
}

.process-statistic-item--static {
    border-color: var(--color-border);
    box-shadow: none;
}

.process-statistic-item__headline {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
    width: 100%;
}

.process-statistic-item__title {
    flex: 1 1 auto;
    min-width: 0;
    font-weight: bold;
    font-size: 1.25rem;
    line-height: 1.25;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    overflow-wrap: break-word;
}

.process-statistic-item__schedule {
    flex: 0 1 auto;
    max-width: 48%;
    align-self: flex-start;
    text-align: right;
    font-size: 0.8125rem;
    line-height: 1.35;
    color: var(--color-muted);
    overflow-wrap: break-word;
}

.process-statistic-item__detail {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.4;
    color: var(--color-text);
    overflow-wrap: break-word;
}

.process-statistic-item__headline + .process-statistic-item__detail {
    margin-top: 0.5rem;
}

.process-statistic-item__detail + .process-statistic-item__detail {
    margin-top: 0.35rem;
}

.email-integration-item--ok {
    background: #e8f5e9;
}

.email-integration-item--warn {
    background: #ffebee;
}

.email-integration-item__title {
    align-self: flex-start;
    max-width: 100%;
    font-weight: bold;
    font-size: 1.25rem;
    line-height: 1.25;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    overflow-wrap: break-word;
}

.email-integration-item__email {
    margin-top: auto;
    align-self: flex-end;
    max-width: 100%;
    font-size: 0.9rem;
    line-height: 1.3;
    color: var(--color-muted);
    text-align: right;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.email-channel-item__title {
    align-self: flex-start;
    max-width: 100%;
    font-weight: bold;
    font-size: 1.25rem;
    line-height: 1.25;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    overflow-wrap: break-word;
}

.email-channel-item__emails {
    list-style: none;
    margin: 0;
    padding: 0;
    margin-top: auto;
    align-self: flex-end;
    max-width: 100%;
    text-align: right;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.email-channel-item__email-line {
    font-size: 0.9rem;
    line-height: 1.35;
    color: var(--color-muted);
    overflow-wrap: anywhere;
    word-break: break-word;
}

.dashboard-item--link {
    cursor: pointer;
    text-decoration: none;
    /* Read as clickable before hover: frame + light lift like a control */
    border-color: #c5cad3;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    transition:
        border-color var(--transition),
        box-shadow var(--transition),
        background-color var(--transition);
}

.dashboard-item--link:hover {
    border-color: #a8b0bd;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    background: #dfe3e8;
}

.dashboard-item--link:hover .dashboard-item__title {
    text-decoration-color: rgba(0, 0, 0, 0.45);
}

.dashboard-item--link:focus-visible {
    outline: 2px solid var(--color-text);
    outline-offset: 2px;
}

.dashboard-item--static {
    cursor: default;
    border-color: var(--color-border);
    box-shadow: none;
}

.dashboard-item__title {
    align-self: flex-start;
    max-width: 100%;
    font-weight: bold;
    font-size: 1.25rem;
    line-height: 1.25;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    overflow-wrap: break-word;
}

.dashboard-item__count {
    margin-top: auto;
    align-self: flex-end;
    font-size: 1.75rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    line-height: 1;
    color: var(--color-muted);
}

.data-table {
    width: 100%;
    max-width: 100%;
    min-width: 0;
}

.data-table__toolbar {
    display: flex;
    justify-content: flex-start;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.data-table__title {
    font-size: 0.95rem;
    line-height: 1.35;
    color: var(--color-muted);
    text-align: left;
}

.data-table__table {
    width: 100%;
    border-collapse: collapse;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--color-bg-main);
    font-size: 0.9rem;
    line-height: 1.35;
}

.data-table__table thead {
    background: var(--color-bg-aside);
}

.data-table__table th,
.data-table__table td {
    padding: 0.5rem 0.65rem;
    border: 1px solid var(--color-border);
    text-align: left;
    vertical-align: top;
}

.data-table__table th {
    font-weight: 600;
    color: var(--color-text);
}

.data-table__table tbody tr.data-table__row--white {
    background: var(--color-bg-main);
}

.data-table__table tbody tr.data-table__row--red {
    background: #ffebee;
}

.data-table__table tbody tr.data-table__row--orange {
    background: #fff3e0;
}

.data-table__table tbody tr.data-table__row--green {
    background: #e8f5e9;
}

.data-table__table tbody tr.data-table__row--blue {
    background: #e3f2fd;
}

@media (prefers-reduced-motion: reduce) {
    :root {
        --transition-duration: 0.01ms;
    }
}