/* LertKitti — design tokens from Phase A (06_UI_Sitemap_Design_Tokens.md) */
:root {
  --bg: #F7F8FC; --surface: #FFFFFF; --sidebar: #F3F4FB; --primary: #4F5BD5; --primary-600: #4450c4; --primary-soft: #E6E8FB;
  --lavender: #A7A3F0; --sky: #5AB4F0; --accent: #F5A524; --accent-soft: #FEF1DC; --accent-text: #8A5200;
  --success: #1F8F5F; --success-soft: #E3F6EC; --danger: #D63B40; --danger-soft: #FDE8E8;
  --text: #1F2340; --text-2: #5F6484; --border: #E6E8F2; --shadow: 0 2px 10px rgba(40, 50, 120, .06);
  --r: 16px; --r-sm: 10px; --font: "Noto Sans Thai", "Leelawadee UI", Tahoma, sans-serif; --head: "Prompt", var(--font);
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.6 var(--font); }
h1, h2, h3 { font-family: var(--head); font-weight: 600; margin: 0 0 .4em; line-height: 1.3; }
h1 { font-size: 24px; } h2 { font-size: 19px; } h3 { font-size: 16px; }
a { color: var(--primary); text-decoration: none; } a:hover { text-decoration: underline; }
.muted { color: var(--text-2); } .small { font-size: 13px; } .num { font-variant-numeric: tabular-nums; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.ico { flex: none; vertical-align: middle; }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--primary) 45%, transparent); outline-offset: 2px; }

/* Shell */
.app { display: grid; grid-template-columns: 248px 1fr; min-height: 100vh; }
.sidebar { background: var(--sidebar); border-right: 1px solid var(--border); padding: 18px 12px; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--primary); font: 600 19px var(--head); margin: 2px 8px 22px; text-decoration: none !important; }
.brand small { display: block; font: 500 9px/1 var(--font); letter-spacing: .08em; color: var(--text-2); margin-top: 3px; }
.sidebar nav a, .nav-soon { display: flex; align-items: center; gap: 12px; padding: 9px 12px; border-radius: var(--r-sm); color: var(--text); margin-bottom: 2px; text-decoration: none; }
.sidebar nav a:hover { background: #eceefa; }
.sidebar nav a.on { background: var(--primary-soft); color: var(--primary); font-weight: 600; }
.nav-soon { color: #9aa0bd; cursor: default; }
.nav-sep { font-size: 12px; color: var(--text-2); margin: 16px 12px 6px; border-top: 1px solid var(--border); padding-top: 12px; }
.main { min-width: 0; display: flex; flex-direction: column; }
.topbar { display: flex; gap: 12px; align-items: center; padding: 14px 28px; background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 20; }
.menu-toggle { display: none; }
.search { flex: 1; display: flex; align-items: center; gap: 8px; background: #F4F5FB; border: 1px solid var(--border); border-radius: 12px; padding: 0 12px; color: var(--text-2); max-width: 560px; }
.search input, .search input[type=search] { border: 0; outline: none; background: transparent; padding: 10px 0; width: 100%; font: inherit; color: var(--text); outline: none; }
.switcher { display: flex; align-items: center; gap: 8px; border: 1px solid var(--border); border-radius: 12px; padding: 4px 10px; color: var(--primary); background: var(--surface); }
.switcher select { border: 0; font: 500 14px var(--font); color: var(--text); background: transparent; padding: 6px 2px; max-width: 260px; cursor: pointer; }
.usermenu { position: relative; margin-left: auto; }
.usermenu summary { list-style: none; display: flex; align-items: center; gap: 8px; cursor: pointer; }
.usermenu summary::-webkit-details-marker { display: none; }
.avatar { width: 36px; height: 36px; border-radius: 50%; background: linear-gradient(135deg, var(--lavender), var(--sky)); color: #fff; display: grid; place-items: center; font-weight: 600; }
.menu-pop { position: absolute; right: 0; top: 46px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; box-shadow: 0 8px 30px rgba(40,50,120,.12); min-width: 220px; padding: 6px; }
.menu-pop a, .menu-pop button { display: block; width: 100%; text-align: left; padding: 9px 12px; border-radius: 8px; color: var(--text); background: none; border: 0; font: inherit; cursor: pointer; }
.menu-pop a:hover, .menu-pop button:hover { background: var(--primary-soft); text-decoration: none; }
.content { padding: 24px 28px 40px; flex: 1; width: 100%; }
.footer { padding: 14px 28px; color: var(--text-2); font-size: 12px; }

/* Components */
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.page-head p { margin: 0; }
.crumb { font-size: 13px; color: var(--text-2); margin-bottom: 4px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); box-shadow: var(--shadow); padding: 18px 20px; }
.card + .card { margin-top: 16px; }
.grid > .card + .card { margin-top: 0; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 10px; }
.card-head h2, .card-head h3 { margin: 0; }
.grid { display: grid; gap: 16px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.g-main { grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); }
.grid > * { min-width: 0; }   /* let wide tables scroll inside .table-wrap instead of widening the page */
.kpi .label { color: var(--text-2); font-size: 13px; display: flex; gap: 8px; align-items: center; }
.kpi .value { font: 600 26px var(--head); margin: 6px 0 2px; }
.kpi .ic { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: var(--primary-soft); color: var(--primary); }
.kpi .ic.orange { background: var(--accent-soft); color: var(--accent-text); } .kpi .ic.sky { background: #E3F2FC; color: #1f7cb8; } .kpi .ic.lav { background: #EFEDFD; color: #6760d0; }
.hero { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 20px; }
.hero img { max-height: 120px; }

.btn { display: inline-flex; align-items: center; gap: 6px; background: var(--primary); color: #fff; border: 1px solid var(--primary); border-radius: var(--r-sm); padding: 9px 16px; font: 600 14px var(--font); cursor: pointer; text-decoration: none !important; white-space: nowrap; }
.btn:hover { background: var(--primary-600); }
.btn-ghost { background: var(--surface); color: var(--primary); border-color: var(--border); }
.btn-ghost:hover { background: var(--primary-soft); }
.btn-danger { background: var(--danger); border-color: var(--danger); }
.btn-ok { background: var(--success); border-color: var(--success); }
.btn-sm { padding: 5px 10px; font-size: 13px; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

.chip { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; background: var(--primary-soft); color: var(--primary); }
.chip-ok { background: var(--success-soft); color: var(--success); } .chip-warn { background: var(--accent-soft); color: var(--accent-text); }
.chip-bad { background: var(--danger-soft); color: var(--danger); } .chip-muted { background: #EEF0F6; color: var(--text-2); }

.alert { padding: 12px 16px; border-radius: 12px; margin-bottom: 14px; border: 1px solid; }
.alert-success { background: var(--success-soft); border-color: #bfe8d2; color: #135c3d; }
.alert-error { background: var(--danger-soft); border-color: #f5c6c7; color: #8f2327; }
.alert-info { background: var(--primary-soft); border-color: #cfd3f7; color: #2f3a9e; }
.alert-warn { background: var(--accent-soft); border-color: #f8d9a6; color: var(--accent-text); }

.table-wrap { overflow-x: auto; }
table.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: 10px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
.table th { font-size: 13px; font-weight: 500; color: var(--text-2); background: #FAFBFE; }
.table tr:hover td { background: #FAFBFF; }
.table .r { text-align: right; }
.empty { text-align: center; color: var(--text-2); padding: 28px 10px; }

dl.kv { display: grid; grid-template-columns: 180px 1fr; gap: 8px 16px; margin: 0; }
dl.kv dt { color: var(--text-2); } dl.kv dd { margin: 0; overflow-wrap: anywhere; }

/* Forms */
.form { max-width: none; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 18px; }
.form-grid .full { grid-column: 1 / -1; }
label, .label { display: block; font-size: 14px; font-weight: 500; margin-bottom: 5px; }
.req::after { content: " *"; color: var(--danger); }
.hint { font-size: 12px; color: var(--text-2); margin-top: 4px; }
input[type=text], input[type=email], input[type=password], input[type=date], input[type=search], input[type=number], input[type=file], select, textarea {
  width: 100%; padding: 10px 12px; border: 1px solid #D9DCEA; border-radius: var(--r-sm); font: inherit; background: var(--surface); color: var(--text);
}
textarea { min-height: 90px; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--primary); outline: 3px solid var(--primary-soft); }
.has-error input, .has-error select, .has-error textarea { border-color: var(--danger); }
.field-error { color: var(--danger); font-size: 13px; margin-top: 4px; }
.check { display: flex; gap: 8px; align-items: center; font-weight: 400; }
.form-actions { display: flex; gap: 10px; margin-top: 20px; flex-wrap: wrap; }
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; margin-bottom: 14px; }
.toolbar > * { flex: 0 1 auto; }
.toolbar input[type=search] { min-width: 240px; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin: 6px 0 16px; overflow-x: auto; }
.tabs a { padding: 9px 14px; color: var(--text-2); white-space: nowrap; border-bottom: 2px solid transparent; text-decoration: none; }
.tabs a.on { color: var(--primary); border-color: var(--primary); font-weight: 600; }
.subtabs { display: flex; gap: 6px; flex-wrap: wrap; margin: -6px 0 16px; }
.subtabs a { padding: 5px 12px; border-radius: 999px; font-size: 13px; color: var(--text-2); background: var(--surface); border: 1px solid var(--border); text-decoration: none; white-space: nowrap; }
.subtabs a.on { color: #fff; background: var(--primary); border-color: var(--primary); font-weight: 600; }
.list-plain { list-style: none; margin: 0; padding: 0; }
.list-plain li { padding: 10px 0; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.list-plain li:last-child { border-bottom: 0; }
.secret { font: 600 18px ui-monospace, Consolas, monospace; letter-spacing: .05em; background: #F4F5FB; border-radius: 8px; padding: 8px 12px; display: inline-block; }
.matrix td, .matrix th { text-align: center; font-size: 13px; }
.matrix td:first-child, .matrix th:first-child { text-align: left; }
details.inline summary { cursor: pointer; color: var(--primary); }
.diff { font: 12px ui-monospace, Consolas, monospace; white-space: pre-wrap; color: var(--text-2); max-width: 420px; }

/* Auth pages */
.auth-body { background: var(--bg); }
.auth { min-height: 100vh; display: grid; grid-template-columns: 1.1fr 1fr; }
.auth-art { background: linear-gradient(150deg, var(--primary-soft), #EFE9FF 55%, var(--accent-soft)); padding: 48px; display: flex; flex-direction: column; justify-content: space-between; gap: 24px; }
.auth-art h1 { font-size: 32px; } .auth-art p { color: var(--text-2); }
.auth-illus { width: 100%; max-width: 460px; }
.auth-form { padding: 48px 24px; display: flex; flex-direction: column; justify-content: center; max-width: 460px; width: 100%; margin: 0 auto; }
.auth-form .field { margin-bottom: 14px; }
.brand-lg { font-size: 24px; margin: 0; }
.error-page { max-width: 520px; margin: 12vh auto; text-align: center; padding: 0 16px; }
.error-code { font: 600 64px var(--head); color: var(--primary); }
.checklist li { display: flex; gap: 10px; padding: 5px 0; border: 0; justify-content: flex-start; }
.ok { color: var(--success); font-weight: 700; } .bad { color: var(--danger); font-weight: 700; }

/* Responsive */
@media (max-width: 1199px) {
  .g4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .g-main { grid-template-columns: 1fr; }
}
@media (max-width: 899px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: fixed; left: 0; top: 0; z-index: 50; width: 270px; transform: translateX(-100%); transition: transform .2s; box-shadow: 0 0 40px rgba(0,0,0,.15); }
  .sidebar.open { transform: none; }
  .menu-toggle { display: inline-flex; background: none; border: 0; color: var(--text); padding: 6px; cursor: pointer; }
  .topbar { padding: 10px 16px; flex-wrap: wrap; }
  .search { order: 5; flex-basis: 100%; max-width: none; }
  .switcher { flex: 1; min-width: 0; } .switcher select { max-width: none; width: 100%; }
  .uname { display: none; }
  .content { padding: 16px; }
  .footer { padding: 12px 16px; }
  .g2, .g3 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  dl.kv { grid-template-columns: 1fr; gap: 2px 0; } dl.kv dd { margin-bottom: 8px; }
  .auth { grid-template-columns: 1fr; } .auth-art { display: none; }
  .hero img { display: none; }
}
@media (max-width: 520px) {
  .g4 { grid-template-columns: 1fr 1fr; gap: 10px; }
  .kpi .value { font-size: 21px; }
  .card { padding: 14px; }
  .toolbar input[type=search] { min-width: 0; width: 100%; }
  .toolbar > * { flex: 1 1 100%; }
}
@media print {
  .sidebar, .topbar, .footer, .actions, .btn { display: none !important; }
  .app { display: block; } .card { box-shadow: none; }
}

/* Wide screens: 3-column forms */
@media (min-width: 1500px) { .form-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

/* Governance (v0.3) */
.nav-tab-soon { padding: 9px 14px; color: #A3A8C3; white-space: nowrap; cursor: default; }
.quote { margin: 8px 0 12px; padding: 12px 16px; background: #F4F5FB; border-left: 4px solid var(--primary); border-radius: 8px; }
.member-row { display: grid; grid-template-columns: 1fr 90px; gap: 8px; margin-top: 6px; }
tr.muted td { color: var(--text-2); }
details.inline form label { margin-top: 6px; }
details.inline form .btn { margin-top: 8px; }

.nowrap { white-space: nowrap; }
.text-bad { color: var(--bad, #c0392b); }
.inline-form { display: inline-flex; gap: 6px; align-items: center; margin: 0; }

/* Completeness meter (company setup) */
.meter { height: 8px; border-radius: 999px; background: #EEF0F6; overflow: hidden; margin: 6px 0 8px; }
.meter > span { display: block; height: 100%; background: var(--primary); border-radius: 999px; }
fieldset { border: 1px solid var(--border); border-radius: var(--r-sm); padding: 8px 12px 10px; margin: 0; }
legend { padding: 0 4px; color: var(--text-2); }

/* Company timeline */
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline > li { display: grid; grid-template-columns: 110px auto 1fr; gap: 10px; align-items: start; padding: 8px 0; border-bottom: 1px solid var(--border); }
.timeline > li.timeline-year { display: block; font: 600 16px var(--head); padding: 14px 0 4px; border-bottom: 0; color: var(--primary); }
.timeline-date { color: var(--text-2); font-size: 13px; white-space: nowrap; }
@media (max-width: 520px) { .timeline > li { grid-template-columns: 1fr; gap: 4px; } }