/* Master Data Lab - one stylesheet, no framework. */
:root {
  --bg: #f4f6fb;
  --card: #ffffff;
  --ink: #0f172a;
  --ink-2: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --line-2: #eef2f7;
  --accent: #4f46e5;
  --accent-2: #6366f1;
  --accent-soft: #eef2ff;
  --ok: #059669;
  --ok-soft: #ecfdf5;
  --bad: #dc2626;
  --bad-soft: #fef2f2;
  --warn: #d97706;
  --warn-soft: #fffbeb;
  --side: #0b1224;
  --side-2: #121b33;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 4px 16px rgba(15, 23, 42, .06);
  --mono: "Cascadia Code", "JetBrains Mono", Consolas, ui-monospace, monospace;
  font-family: "Segoe UI", "Noto Sans Thai", "Leelawadee UI", system-ui, -apple-system, sans-serif;
  font-size: 14.5px;
  color: var(--ink);
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); line-height: 1.5; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, .mono { font-family: var(--mono); font-size: .92em; }
h1, h2, h3 { margin: 0; line-height: 1.25; }

/* ---------- shell ---------- */
.shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 272px; flex: 0 0 272px; background: linear-gradient(180deg, var(--side), var(--side-2));
  color: #cbd5e1; position: sticky; top: 0; height: 100vh; overflow-y: auto; padding: 18px 12px 28px;
}
.sidebar::-webkit-scrollbar { width: 6px; }
.sidebar::-webkit-scrollbar-thumb { background: #26324f; border-radius: 6px; }
.brand { display: flex; gap: 12px; align-items: center; color: #fff; padding: 4px 8px 18px; }
.brand:hover { text-decoration: none; }
.brand strong { display: block; font-size: 16px; letter-spacing: .2px; }
.brand small { color: #8b9bc0; font-size: 12px; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; font-weight: 800;
  background: linear-gradient(135deg, #818cf8, #4f46e5 60%, #22d3ee); color: #fff; box-shadow: 0 6px 18px rgba(79, 70, 229, .45);
}
.nav-group { text-transform: uppercase; font-size: 11px; letter-spacing: .9px; color: #6b7aa1; margin: 16px 10px 6px; font-weight: 700; }
.nav-link {
  display: flex; align-items: center; gap: 10px; padding: 7px 10px; border-radius: 9px; color: #cbd5e1; font-size: 13.5px;
}
.nav-link:hover { background: rgba(255, 255, 255, .06); color: #fff; text-decoration: none; }
.nav-link.on { background: linear-gradient(90deg, rgba(99, 102, 241, .35), rgba(99, 102, 241, .12)); color: #fff; box-shadow: inset 3px 0 0 #818cf8; }
.nav-ico { width: 22px; text-align: center; }
.nav-text { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nav-no { font-family: var(--mono); font-size: 11px; color: #7b8bb3; background: rgba(255, 255, 255, .06); padding: 1px 6px; border-radius: 6px; }
.nav-link.on .nav-no { color: #e0e7ff; background: rgba(129, 140, 248, .35); }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  height: 56px; display: flex; align-items: center; gap: 14px; padding: 0 28px; background: rgba(255, 255, 255, .85);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20;
}
.topbar-title { color: var(--muted); font-size: 13px; }
.topbar-right { margin-left: auto; display: flex; gap: 8px; }
.db-chip { font-size: 12px; color: var(--ink-2); background: var(--line-2); border: 1px solid var(--line); padding: 4px 10px; border-radius: 999px; }
.menu-btn { display: none; border: 1px solid var(--line); background: #fff; border-radius: 8px; font-size: 18px; padding: 2px 10px; cursor: pointer; }
.content { padding: 24px 28px 60px; max-width: 1480px; width: 100%; }

/* ---------- flash ---------- */
.flash-wrap { padding: 0 28px; }
.flash { margin-top: 16px; padding: 11px 16px; border-radius: 10px; font-weight: 500; border: 1px solid; transition: opacity .4s; }
.flash.ok { background: var(--ok-soft); color: #065f46; border-color: #a7f3d0; }
.flash.bad { background: var(--bad-soft); color: #991b1b; border-color: #fecaca; }
.flash.ok::before { content: "✓  "; font-weight: 700; }
.flash.bad::before { content: "⚠  "; }

/* ---------- page header ---------- */
.page-head { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.page-icon {
  width: 52px; height: 52px; border-radius: 15px; display: grid; place-items: center; font-size: 26px;
  background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow);
}
.page-head h1 { font-size: 24px; font-weight: 750; letter-spacing: -.3px; }
.page-head p { margin: 4px 0 0; color: var(--muted); max-width: 760px; }
.feature-no { font-family: var(--mono); font-size: 12px; color: var(--accent); background: var(--accent-soft); padding: 2px 8px; border-radius: 6px; margin-right: 8px; vertical-align: 3px; }
.page-actions { margin-left: auto; display: flex; gap: 8px; align-items: center; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin: 0 0 18px; overflow-x: auto; }
.tab { padding: 9px 16px; color: var(--muted); border-bottom: 2px solid transparent; font-weight: 600; white-space: nowrap; }
.tab:hover { color: var(--ink); text-decoration: none; }
.tab.on { color: var(--accent); border-color: var(--accent); }

/* ---------- cards ---------- */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.card + .card, .stack > * + * { margin-top: 18px; }
.card-head { display: flex; align-items: center; gap: 10px; padding: 14px 18px; border-bottom: 1px solid var(--line-2); flex-wrap: wrap; }
.card-head h2 { font-size: 15.5px; font-weight: 700; }
.card-head .sub { color: var(--muted); font-size: 13px; }
.card-body { padding: 18px; }
.card-foot { padding: 12px 18px; border-top: 1px solid var(--line-2); display: flex; align-items: center; gap: 12px; flex-wrap: wrap; color: var(--muted); font-size: 13px; }
.tool-card { border-color: #c7d2fe; background: linear-gradient(180deg, #fbfbff, #fff 120px); }
.tool-card .card-head { border-bottom-color: #e0e7ff; }
.tool-badge { font-size: 11px; font-weight: 700; color: #4338ca; background: #e0e7ff; padding: 2px 8px; border-radius: 999px; letter-spacing: .4px; text-transform: uppercase; }

/* ---------- buttons & inputs ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); background: #fff; color: var(--ink-2);
  padding: 7px 14px; border-radius: 9px; font: inherit; font-weight: 600; font-size: 13.5px; cursor: pointer; white-space: nowrap;
}
.btn:hover { border-color: #cbd5e1; background: #f8fafc; text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; box-shadow: 0 4px 12px rgba(79, 70, 229, .25); }
.btn.primary:hover { background: #4338ca; }
.btn.danger { color: var(--bad); }
.btn.danger:hover { background: var(--bad-soft); border-color: #fecaca; }
.btn.sm { padding: 4px 9px; font-size: 12.5px; border-radius: 7px; }
.btn.ghost { border-color: transparent; background: transparent; }
.btn.ghost:hover { background: var(--line-2); }
.icon-btn { border: 0; background: transparent; padding: 5px 7px; border-radius: 7px; cursor: pointer; color: var(--muted); font-size: 14px; }
.icon-btn:hover { background: var(--line-2); color: var(--ink); }
.icon-btn.danger:hover { background: var(--bad-soft); color: var(--bad); }

input[type=text], input[type=number], input[type=date], input[type=month], input[type=search], select, textarea {
  font: inherit; font-size: 14px; border: 1px solid #d5dbe5; border-radius: 9px; padding: 7px 11px; background: #fff; color: var(--ink);
  width: 100%; transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus { outline: 0; border-color: var(--accent-2); box-shadow: 0 0 0 3px rgba(99, 102, 241, .18); }
textarea { min-height: 90px; resize: vertical; }
textarea.code { font-family: var(--mono); font-size: 13px; min-height: 180px; line-height: 1.55; }
input[type=color] { width: 44px; height: 36px; padding: 2px; border: 1px solid #d5dbe5; border-radius: 9px; background: #fff; cursor: pointer; }
label.lbl { display: block; font-weight: 600; font-size: 13px; color: var(--ink-2); margin-bottom: 5px; }
.req { color: var(--bad); margin-left: 2px; }
.hint { color: var(--muted); font-size: 12.5px; margin-top: 4px; }
.err-text { color: var(--bad); font-size: 12.5px; margin-top: 4px; font-weight: 500; }
.has-err input, .has-err select, .has-err textarea { border-color: #f87171; background: #fffafa; }
.switch { display: inline-flex; align-items: center; gap: 9px; cursor: pointer; user-select: none; }
.switch input { width: 18px; height: 18px; accent-color: var(--accent); }

.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; padding: 14px 18px; border-bottom: 1px solid var(--line-2); }
.toolbar .search { position: relative; flex: 1 1 240px; max-width: 340px; }
.toolbar .search input { padding-left: 34px; }
.toolbar .search::before { content: "🔎"; position: absolute; left: 11px; top: 7px; font-size: 13px; opacity: .6; }
.toolbar select { width: auto; min-width: 130px; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 9px; overflow: hidden; }
.seg a { padding: 6px 12px; color: var(--muted); font-size: 13px; font-weight: 600; border-right: 1px solid var(--line); }
.seg a:last-child { border-right: 0; }
.seg a.on { background: var(--accent-soft); color: var(--accent); }
.seg a:hover { text-decoration: none; background: #f8fafc; }

/* ---------- table ---------- */
.table-wrap { overflow-x: auto; }
table.grid { width: 100%; border-collapse: collapse; }
.grid th {
  text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); font-weight: 700;
  padding: 10px 14px; background: #f8fafc; border-bottom: 1px solid var(--line); white-space: nowrap;
}
.grid th a { color: inherit; }
.grid th a:hover { color: var(--accent); text-decoration: none; }
.grid th .arrow { color: var(--accent); }
.grid td { padding: 10px 14px; border-bottom: 1px solid var(--line-2); vertical-align: middle; }
.grid tbody tr:hover { background: #fafbff; }
.grid tr.inactive td { color: #94a3b8; }
.grid tr.inactive td .badge { opacity: .55; }
.grid tr.hl { animation: hl 2.4s ease-out; }
@keyframes hl { from { background: #e0e7ff; } to { background: transparent; } }
.grid td.actions { text-align: right; white-space: nowrap; width: 1%; }
.grid td.id { color: #94a3b8; font-family: var(--mono); font-size: 12px; width: 1%; }
.grid.compact td, .grid.compact th { padding: 7px 12px; }
.cell-flag { font-size: 20px; }
.empty { text-align: center; padding: 48px 20px; color: var(--muted); }
.empty .big { font-size: 34px; display: block; margin-bottom: 6px; }

.badge { display: inline-flex; align-items: center; gap: 6px; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.badge .dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.badge.solid { color: #fff; }
.pill-on { background: var(--ok-soft); color: var(--ok); }
.pill-off { background: #f1f5f9; color: #64748b; }
.swatch { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 12px; color: var(--ink-2); }
.swatch i { width: 18px; height: 18px; border-radius: 6px; border: 1px solid rgba(0, 0, 0, .1); display: inline-block; }
.yes { color: var(--ok); font-weight: 700; }
.muted { color: #94a3b8; }

.pager { display: flex; gap: 4px; margin-left: auto; }
.pager a, .pager span { min-width: 32px; height: 32px; display: grid; place-items: center; border-radius: 8px; border: 1px solid var(--line); color: var(--ink-2); font-size: 13px; padding: 0 8px; background: #fff; }
.pager a.on { background: var(--accent); color: #fff; border-color: var(--accent); }
.pager a:hover { text-decoration: none; border-color: #cbd5e1; }
.pager span.off { color: #cbd5e1; background: transparent; }

/* ---------- form ---------- */
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 22px; }
.form-grid .wide { grid-column: 1 / -1; }
.form-actions { display: flex; gap: 10px; align-items: center; padding: 16px 18px; border-top: 1px solid var(--line-2); background: #fbfcfe; border-radius: 0 0 var(--radius) var(--radius); }
.color-row { display: flex; gap: 8px; align-items: center; }
.errors-box { background: var(--bad-soft); border: 1px solid #fecaca; color: #991b1b; border-radius: 10px; padding: 12px 16px; margin-bottom: 18px; }
.errors-box ul { margin: 6px 0 0; padding-left: 20px; }
.meta { display: flex; gap: 18px; flex-wrap: wrap; color: var(--muted); font-size: 12.5px; }

/* ---------- learn ---------- */
.learn { margin-top: 18px; }
.learn summary { cursor: pointer; padding: 14px 18px; font-weight: 700; list-style: none; display: flex; gap: 10px; align-items: center; }
.learn summary::-webkit-details-marker { display: none; }
.learn summary::after { content: "▸"; margin-left: auto; color: var(--muted); transition: transform .2s; }
.learn[open] summary::after { transform: rotate(90deg); }
.learn-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 18px; padding: 0 18px 18px; }
.learn ul { margin: 0; padding-left: 18px; }
.learn li { margin-bottom: 6px; }
pre.sql {
  margin: 0; background: #0b1224; color: #e2e8f0; padding: 14px 16px; border-radius: 10px; overflow-x: auto;
  font-family: var(--mono); font-size: 12.5px; line-height: 1.6; white-space: pre;
}
.kv { display: grid; grid-template-columns: 150px 1fr; gap: 6px 12px; font-size: 13.5px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

/* ---------- dashboard ---------- */
.hero {
  border-radius: 20px; padding: 26px 28px; color: #fff; position: relative; overflow: hidden; margin-bottom: 22px;
  background: radial-gradient(1200px 300px at 90% -40%, rgba(34, 211, 238, .35), transparent 60%), linear-gradient(120deg, #312e81, #4f46e5 55%, #6366f1);
  box-shadow: 0 14px 40px rgba(79, 70, 229, .28);
}
.hero h1 { font-size: 27px; font-weight: 800; letter-spacing: -.4px; }
.hero p { margin: 6px 0 0; color: #e0e7ff; max-width: 720px; }
.stats { display: flex; gap: 12px; margin-top: 18px; flex-wrap: wrap; }
.stat { background: rgba(255, 255, 255, .13); border: 1px solid rgba(255, 255, 255, .2); padding: 10px 16px; border-radius: 12px; min-width: 130px; }
.stat b { display: block; font-size: 22px; }
.stat span { font-size: 12px; color: #c7d2fe; }
.group-title { font-size: 13px; text-transform: uppercase; letter-spacing: .8px; color: var(--muted); font-weight: 800; margin: 26px 0 10px; }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.feature-card { display: flex; flex-direction: column; gap: 6px; padding: 16px; color: var(--ink); transition: transform .15s, box-shadow .15s, border-color .15s; }
.feature-card:hover { text-decoration: none; transform: translateY(-2px); border-color: #c7d2fe; box-shadow: 0 10px 26px rgba(79, 70, 229, .12); }
.feature-card .top { display: flex; align-items: center; gap: 10px; }
.feature-card .ico { font-size: 22px; width: 40px; height: 40px; display: grid; place-items: center; border-radius: 11px; background: var(--accent-soft); }
.feature-card h3 { font-size: 14.5px; font-weight: 700; }
.feature-card .count { margin-left: auto; font-family: var(--mono); font-size: 12px; color: var(--muted); }
.feature-card small { color: var(--muted); font-size: 12.5px; }
.layout-2 { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 22px; align-items: start; }
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { padding: 10px 18px; border-bottom: 1px solid var(--line-2); font-size: 13px; }
.timeline li:last-child { border-bottom: 0; }
.act { font-size: 10.5px; font-weight: 800; letter-spacing: .5px; padding: 1px 7px; border-radius: 5px; margin-right: 6px; }
.act.CREATE { background: var(--ok-soft); color: var(--ok); }
.act.UPDATE { background: var(--accent-soft); color: var(--accent); }
.act.DELETE { background: var(--bad-soft); color: var(--bad); }
.act.ACTIVATE, .act.DEACTIVATE { background: var(--warn-soft); color: var(--warn); }

/* ---------- tools ---------- */
.tool-form { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.tool-form .f { display: flex; flex-direction: column; gap: 4px; }
.tool-form .f label { font-size: 12px; font-weight: 600; color: var(--muted); }
.tool-form input, .tool-form select { width: auto; min-width: 110px; }
.result {
  margin-top: 14px; padding: 14px 16px; border-radius: 12px; background: #f8fafc; border: 1px dashed #cbd5e1;
  display: flex; flex-wrap: wrap; gap: 8px 22px; align-items: baseline;
}
.result .big { font-size: 22px; font-weight: 800; color: var(--accent); font-family: var(--mono); }
.result.ok { background: var(--ok-soft); border-color: #a7f3d0; }
.result.bad { background: var(--bad-soft); border-color: #fecaca; }
.result .big.ok { color: var(--ok); }
.result .big.bad { color: var(--bad); }
.tool-cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.tool-cols.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.section-label { font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .6px; color: var(--muted); margin: 0 0 8px; }

.tree { list-style: none; margin: 0; padding: 0; columns: 2; column-gap: 28px; }
.tree li { padding: 4px 0; break-inside: avoid; display: flex; align-items: center; gap: 6px; }
.tree .guide { color: #cbd5e1; font-family: var(--mono); white-space: pre; }
.tree .kids { font-size: 11px; color: var(--muted); background: var(--line-2); padding: 0 6px; border-radius: 6px; }
.tree .off { opacity: .45; }

.cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.cloud .tagchip { padding: 6px 14px; border-radius: 999px; color: #fff; font-weight: 600; box-shadow: 0 2px 6px rgba(0, 0, 0, .12); }
.cloud .tagchip small { opacity: .8; font-family: var(--mono); margin-left: 6px; font-weight: 400; }

.flow { display: flex; flex-direction: column; gap: 10px; }
.flow-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.flow-row .badge { min-width: 110px; justify-content: center; padding: 5px 12px; }
.flow-arrow { color: var(--muted); font-size: 12.5px; display: inline-flex; align-items: center; gap: 6px; }
.flow-arrow b { color: var(--ink-2); }
.flow-end { color: #94a3b8; font-size: 12px; font-style: italic; }

.cal { width: 100%; border-collapse: separate; border-spacing: 4px; table-layout: fixed; }
.cal th { font-size: 11.5px; color: var(--muted); font-weight: 700; padding: 4px; }
.cal td { height: 64px; vertical-align: top; padding: 6px 7px; border-radius: 9px; background: #fff; border: 1px solid var(--line-2); font-size: 12px; }
.cal td .d { font-weight: 700; font-size: 13px; }
.cal td.out { opacity: .35; }
.cal td.we { background: #f8fafc; }
.cal td.hol { background: #fef2f2; border-color: #fecaca; }
.cal td.hol.t-COMPANY { background: #eff6ff; border-color: #bfdbfe; }
.cal td.hol.t-SUBSTITUTE { background: #fff7ed; border-color: #fed7aa; }
.cal td.today { box-shadow: inset 0 0 0 2px var(--accent); }
.cal td .h { display: block; margin-top: 2px; line-height: 1.25; color: #b91c1c; font-size: 11px; }
.cal td.t-COMPANY .h { color: #1d4ed8; }
.cal td.t-SUBSTITUTE .h { color: #c2410c; }

.preview-doc {
  background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; box-shadow: 0 1px 0 #e2e8f0, 0 8px 24px rgba(15, 23, 42, .06);
}
.preview-doc .subj { font-weight: 700; border-bottom: 1px solid var(--line-2); padding-bottom: 10px; margin-bottom: 12px; }
.preview-doc .body { white-space: pre-wrap; font-size: 13.5px; }
.chip { display: inline-block; font-family: var(--mono); font-size: 12px; background: var(--line-2); border: 1px solid var(--line); border-radius: 6px; padding: 1px 7px; margin: 2px 3px 2px 0; }
.chip.miss { background: var(--bad-soft); border-color: #fecaca; color: var(--bad); }
.missing-cell { background: #fff7ed; color: #c2410c; font-style: italic; }
.flag-grid { display: flex; flex-wrap: wrap; gap: 6px; }
.flag-grid span { font-size: 22px; cursor: default; }

.err-page { text-align: center; padding: 70px 20px; }
.err-page .big { font-size: 48px; }

@media (max-width: 1100px) {
  .layout-2, .tool-cols, .tool-cols.three, .learn-grid { grid-template-columns: 1fr; }
  .tree { columns: 1; }
}
@media (max-width: 960px) {
  .sidebar { position: fixed; left: -290px; z-index: 50; transition: left .2s; }
  .sidebar.open { left: 0; box-shadow: 0 0 60px rgba(0, 0, 0, .4); }
  .menu-btn { display: inline-block; }
  .content { padding: 18px 16px 48px; }
  .topbar, .flash-wrap { padding-left: 16px; padding-right: 16px; }
  .form-grid { grid-template-columns: 1fr; }
  .db-chip { display: none; }
}