:root {
    color-scheme: light;
    --bg: #f6f7f4;
    --surface: #ffffff;
    --surface-2: #eef4f1;
    --ink: #18201c;
    --muted: #68736e;
    --line: #d6ddd8;
    --line-strong: #aeb9b2;
    --accent: #1f7a5a;
    --accent-strong: #14543f;
    --accent-soft: #dff0e8;
    --warn: #9a5b11;
    --danger: #a33a3a;
    --danger-soft: #f4e1df;
    --focus: #2f6fed;
    --shadow: 0 18px 45px rgba(24, 32, 28, 0.08);
    --radius: 6px;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-size: 15px;
}

button,
input,
select {
    font: inherit;
}

button {
    min-height: 38px;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--ink);
    cursor: pointer;
}

button:disabled {
    cursor: not-allowed;
    opacity: 0.55;
}

button:hover:not(:disabled) {
    border-color: var(--accent);
}

input,
select {
    width: 100%;
    min-height: 38px;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--ink);
    padding: 8px 10px;
}

input:focus,
select:focus,
button:focus {
    outline: 2px solid var(--focus);
    outline-offset: 2px;
}

label {
    display: grid;
    gap: 6px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 500;
}

label input,
label select {
    color: var(--ink);
    font-size: 14px;
    font-weight: 400;
}

h1,
h2 {
    margin: 0;
    font-weight: 500;
}

h1 {
    font-size: 28px;
}

h2 {
    font-size: 18px;
}

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

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    padding: 18px 24px;
    border-bottom: 1px solid var(--line);
    background: var(--surface);
}

.topbar-actions,
.button-row,
.run-row,
.rail-head,
.band-head,
.progress-head {
    display: flex;
    align-items: center;
    gap: 10px;
}

.band-head,
.progress-head,
.rail-head {
    justify-content: space-between;
}

.band-head.tight {
    margin-bottom: 8px;
}

.eyebrow {
    margin: 0 0 4px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 4px 10px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--surface-2);
    color: var(--muted);
    font-size: 13px;
}

.status-pill.ok {
    background: var(--accent-soft);
    color: var(--accent-strong);
}

.status-pill.warn {
    color: var(--warn);
}

.primary-button {
    border-color: var(--accent);
    background: var(--accent);
    color: #ffffff;
    padding: 8px 14px;
}

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

.secondary-button,
.ghost-button,
.danger-button,
.small-button {
    padding: 8px 12px;
}

.ghost-button {
    background: transparent;
}

.danger-button {
    border-color: #d8b2ad;
    background: var(--danger-soft);
    color: var(--danger);
}

.small-button {
    min-height: 32px;
    padding: 5px 9px;
    font-size: 13px;
}

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

.login-panel {
    display: grid;
    place-items: start center;
    padding: 56px 20px;
}

.login-form {
    display: grid;
    width: min(420px, 100%);
    gap: 18px;
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.form-message {
    min-height: 20px;
    margin: 0;
    color: var(--danger);
    font-size: 13px;
}

.workspace {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr) 300px;
    gap: 18px;
    padding: 18px;
}

.side-rail,
.migration-form,
.status-pane {
    min-width: 0;
}

.side-rail,
.status-pane {
    display: grid;
    align-content: start;
    gap: 12px;
}

.rail-title {
    font-weight: 500;
}

.migration-list {
    display: grid;
    gap: 6px;
}

.migration-item {
    display: grid;
    gap: 2px;
    width: 100%;
    min-height: 46px;
    padding: 8px 10px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    background: transparent;
    text-align: left;
}

.migration-item.is-active {
    border-color: var(--accent);
    background: var(--accent-soft);
}

.migration-item small {
    overflow: hidden;
    color: var(--muted);
    text-overflow: ellipsis;
    white-space: nowrap;
}

.migration-form {
    display: grid;
    gap: 14px;
}

.form-band,
.server-box,
.status-block {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
}

.form-band,
.status-block {
    padding: 16px;
}

.compact-band {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 18px;
}

.wide-field {
    margin-top: 14px;
}

.server-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.server-box {
    display: grid;
    gap: 14px;
    margin: 0;
    padding: 14px;
}

.server-box legend {
    padding: 0 6px;
    font-weight: 500;
}

.field-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.field-grid label:nth-child(1),
.field-grid label:nth-child(5) {
    grid-column: 1 / -1;
}

.mailbox-table-wrap {
    width: 100%;
    margin-top: 12px;
    overflow-x: auto;
}

.mailbox-table {
    width: 100%;
    min-width: 980px;
    border-collapse: collapse;
}

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

.mailbox-table th {
    color: var(--muted);
    font-size: 12px;
    font-weight: 500;
}

.option-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(120px, 1fr));
    gap: 12px;
    flex: 1;
}

.run-row {
    flex-wrap: wrap;
    justify-content: flex-end;
}

.status-pane {
    position: sticky;
    top: 14px;
}

.progress-track {
    height: 10px;
    margin: 14px 0;
    overflow: hidden;
    border-radius: 999px;
    background: var(--surface-2);
}

.progress-bar {
    width: 0%;
    height: 100%;
    border-radius: inherit;
    background: var(--accent);
    transition: width 180ms ease;
}

.metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin: 0;
}

.metrics div {
    min-width: 0;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.metrics dt {
    color: var(--muted);
    font-size: 12px;
}

.metrics dd {
    margin: 2px 0 0;
    overflow: hidden;
    font-weight: 500;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.log-block {
    min-height: 360px;
}

.log-output {
    display: grid;
    align-content: start;
    gap: 6px;
    max-height: 560px;
    overflow: auto;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 12px;
}

.log-line {
    padding: 6px 8px;
    border-left: 3px solid var(--line-strong);
    background: var(--surface-2);
    word-break: break-word;
}

.log-line.ok {
    border-left-color: var(--accent);
}

.log-line.error {
    border-left-color: var(--danger);
}

[hidden] {
    display: none !important;
}

@media (max-width: 1180px) {
    .workspace {
        grid-template-columns: 190px minmax(0, 1fr);
    }

    .status-pane {
        grid-column: 1 / -1;
        position: static;
        grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    }
}

@media (max-width: 860px) {
    .topbar,
    .compact-band,
    .band-head {
        align-items: stretch;
        flex-direction: column;
    }

    .workspace {
        grid-template-columns: 1fr;
        padding: 12px;
    }

    .side-rail {
        order: 2;
    }

    .server-grid,
    .status-pane {
        grid-template-columns: 1fr;
    }

    .field-grid,
    .option-grid {
        grid-template-columns: 1fr;
    }

    .field-grid label:nth-child(1),
    .field-grid label:nth-child(5) {
        grid-column: auto;
    }

    .button-row,
    .run-row,
    .topbar-actions {
        flex-wrap: wrap;
    }

    .primary-button,
    .secondary-button,
    .danger-button,
    .ghost-button {
        width: 100%;
    }
}