:root {
    --bg: #0f1115;
    --panel: #1a1d24;
    --panel-2: #21252e;
    --text: #e6e8ec;
    --muted: #9aa0aa;
    --accent: #4f8cff;
    --border: #2c313b;
    --ok: #3ddc91;
    --err: #ff6b6b;
    --fk: #ffab5e;
    --radius: 10px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font: 15px/1.5 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
}

.brand { font-weight: 700; color: var(--text); text-decoration: none; letter-spacing: .5px; }
.topbar nav { display: flex; align-items: center; gap: 14px; }
.who { color: var(--muted); font-size: 13px; }

.container { max-width: 920px; margin: 28px auto; padding: 0 20px; }

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
    margin-bottom: 20px;
}
.card.narrow { max-width: 380px; margin: 60px auto; }

h1 { margin-top: 0; font-size: 22px; }
h2 { font-size: 17px; }
.muted { color: var(--muted); }

label { display: block; margin: 12px 0; }
input, textarea {
    width: 100%;
    margin-top: 6px;
    padding: 10px 12px;
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font: inherit;
}
textarea { font-family: ui-monospace, "Cascadia Code", Consolas, monospace; resize: vertical; }

button {
    font: inherit;
    cursor: pointer;
    border: none;
    border-radius: 8px;
    padding: 10px 16px;
}
button.primary, .button.primary {
    background: var(--accent);
    color: #fff;
}
.button { display: inline-block; text-decoration: none; }
button.link {
    background: none;
    color: var(--accent);
    padding: 0;
}
.inline { display: inline; margin: 0; }

.alert { padding: 10px 12px; border-radius: 8px; }
.alert.error { background: rgba(255,107,107,.12); color: var(--err); }
.ok { color: var(--ok); }
.null { color: var(--muted); font-style: italic; }

.ran-sql {
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px;
    overflow-x: auto;
    white-space: pre-wrap;
}

.grid-wrap { overflow-x: auto; }
table.grid { width: 100%; border-collapse: collapse; margin: 10px 0; }
table.grid th, table.grid td {
    border: 1px solid var(--border);
    padding: 6px 10px;
    text-align: left;
    white-space: nowrap;
}
table.grid th { background: var(--panel-2); }

ul.todo { color: var(--muted); }
code { background: var(--panel-2); padding: 1px 5px; border-radius: 4px; }

.alert.ok-box { background: rgba(61,220,145,.12); color: var(--ok); }
button.link.danger, .link.danger { color: var(--err); }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.two-col .card { margin-bottom: 0; }
@media (max-width: 720px) { .two-col { grid-template-columns: 1fr; } }
.narrow-form { max-width: 420px; }

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

.badge {
    display: inline-block;
    padding: 1px 8px;
    border-radius: 999px;
    font-size: 12px;
    text-transform: capitalize;
}
.badge-created { background: rgba(61,220,145,.15); color: var(--ok); }
.badge-skipped { background: rgba(154,160,170,.18); color: var(--muted); }
.badge-error   { background: rgba(255,107,107,.15); color: var(--err); }

.button.ghost { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }
.dash-actions { display: flex; gap: 10px; }

/* ---- GUI workbench ---- */
.workbench { display: grid; grid-template-columns: 220px 1fr; gap: 20px; align-items: start; }
@media (max-width: 720px) { .workbench { grid-template-columns: 1fr; } }

.wb-side {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px;
    position: sticky;
    top: 16px;
}
.wb-side-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.wb-tables { list-style: none; margin: 0; padding: 0; }
.wb-tables li { margin: 2px 0; }
.wb-table-btn {
    width: 100%;
    text-align: left;
    background: none;
    color: var(--text);
    padding: 6px 8px;
    border-radius: 6px;
    font-family: ui-monospace, Consolas, monospace;
    font-size: 13px;
}
.wb-table-btn:hover { background: var(--panel-2); }
.wb-table-btn.active { background: var(--accent); color: #fff; }
.wb-side-foot { margin: 12px 0 0; font-size: 13px; }

.wb-evidence-head { display: flex; justify-content: space-between; align-items: baseline; }
.wb-evidence h2 { margin: 0 0 8px; }

.wb-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 12px; }
.wb-toolbar h2 { margin: 0; }
.wb-actions { display: flex; gap: 8px; }
.wb-actions button, .wb-pager button { padding: 7px 12px; font-size: 14px; }
button.danger { background: rgba(255,107,107,.15); color: var(--err); }

.wb-row-actions { white-space: nowrap; }
.wb-row-actions .link { margin-right: 8px; }

.wb-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 14px; }
.wb-tab {
    background: none;
    color: var(--muted);
    border: none;
    border-bottom: 2px solid transparent;
    border-radius: 0;
    padding: 8px 14px;
    font-size: 14px;
}
.wb-tab:hover { color: var(--text); }
.wb-tab.active { color: var(--text); border-bottom-color: var(--accent); }
.inline-check { display: inline-flex; align-items: center; gap: 6px; margin: 8px 0; font-weight: normal; }
.inline-check input { width: auto; margin: 0; }
.seed-mode { width: auto; margin: 0 6px 0 0; padding: 3px 6px; font-size: 13px; }

/* ---- session history ---- */
.history-list { list-style: none; margin: 0; padding: 0; }
.history-item {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 12px;
    padding: 7px 10px;
    border: 1px solid var(--border);
    border-radius: 7px;
    margin-bottom: 6px;
    cursor: pointer;
}
.history-item:hover { background: var(--panel-2); border-color: var(--accent); }
.history-item.failed { border-left: 3px solid var(--err); }
.history-sql {
    font-family: ui-monospace, Consolas, monospace;
    font-size: 13px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    background: none;
    padding: 0;
}
.history-meta { color: var(--muted); font-size: 12px; white-space: nowrap; }
.history-tools { display: inline-flex; gap: 14px; }

.wb-pager { display: flex; gap: 12px; align-items: center; margin-top: 12px; }
.wb-pager button[disabled] { opacity: .4; cursor: default; }
.wb-pager-size { margin-left: auto; }
.wb-pager-size select { width: auto; margin: 0 0 0 6px; padding: 4px 8px; }
.wb-pager-size label { display: inline-flex; align-items: center; margin: 0; }

.wb-field { margin: 10px 0; }
.wb-field label { display: block; margin-bottom: 4px; }
.wb-field-input { display: flex; gap: 8px; }
.wb-field-input input { flex: 1; }
.wb-field-input select { width: 110px; }
.wb-form-actions { display: flex; gap: 10px; margin-top: 16px; }

/* ---- key colour-coding: PK blue, FK orange ---- */
.col-pk { color: var(--accent); }
.col-fk { color: var(--fk); }
.wb-key-legend { font-size: 13px; }

/* ---- foreign keys ---- */
.wb-fk { white-space: nowrap; color: var(--fk); }
.wb-fk .muted { font-size: 12px; margin: 0 4px; }

.wb-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .55);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 50;
}
.wb-modal {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
}
.wb-modal h2 { margin-top: 0; }
.wb-modal select {
    width: 100%;
    margin-top: 6px;
    padding: 10px 12px;
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font: inherit;
}
.wb-fk-help {
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 10px;
    font-size: 13px;
    color: var(--muted);
    margin: 6px 0 0;
}

/* ---- query wizard ---- */
.wiz-palette { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0; }
.wiz-block {
    background: var(--accent);
    color: #fff;
    border-radius: 999px;
    padding: 8px 16px;
    font-size: 14px;
    font-family: ui-monospace, Consolas, monospace;
    cursor: grab;
}
.wiz-block:active { cursor: grabbing; }

.wiz-canvas {
    min-height: 96px;
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-content: flex-start;
    margin-bottom: 12px;
}
.wiz-canvas.drag-over { border-color: var(--accent); }

.wiz-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 6px 12px;
    cursor: grab;
}
.wiz-chip:active { cursor: grabbing; }
.wiz-kw {
    color: var(--accent);
    font-weight: 600;
    font-family: ui-monospace, Consolas, monospace;
    font-size: 14px;
    white-space: nowrap;
}
.wiz-chip input, .wiz-chip select {
    width: auto;
    margin: 0;
    padding: 4px 10px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-family: ui-monospace, Consolas, monospace;
    font-size: 13px;
}
.wiz-chip select.wiz-op { min-width: 4.5em; text-align: center; }
.wiz-chip select.wiz-addcol { color: var(--muted); max-width: 7em; }
.wiz-preview { margin: 12px 0 0; }

.wb-cols input[type=text], .wb-cols select { margin: 0; }
.wb-cols .ct-name { min-width: 14em; }
.wb-cols .ct-size { width: 9em; }
.wb-cols .ct-size:disabled { opacity: .45; }
.wb-cols td.center, .wb-cols th { text-align: center; }
.wb-cols td:first-child, .wb-cols td:nth-child(2) { text-align: left; }
#wb-add-col { margin-top: 8px; display: inline-block; }
input:disabled { opacity: .5; }