/* =====================================================================
   Cost Dashboard — styles
   สีหลักล้อกับชีตเดิม: หัวตารางกรมท่า · ช่องกรอกสีเหลือง
   ===================================================================== */
:root {
  --navy: #1f3864;
  --navy-2: #2c4a80;
  --navy-3: #3b5b96;
  --bg: #f4f6fa;
  --card: #ffffff;
  --line: #e2e7f0;
  --text: #1c2433;
  --muted: #6b778c;
  --input: #fff9d6;
  --input-line: #e8d98a;
  --green: #1b8a4b;
  --green-bg: #e5f5ec;
  --red: #c62828;
  --red-bg: #fdecec;
  --amber: #b26a00;
  --amber-bg: #fff3dc;
  --blue-bg: #e8eefb;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16,24,40,.06), 0 1px 3px rgba(16,24,40,.08);
  font-family: 'IBM Plex Sans Thai', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color: var(--text);
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); font-size: 14px; }
.hidden { display: none !important; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--navy-3); }

.boot { position: fixed; inset: 0; display: grid; place-items: center; color: var(--muted); background: var(--bg); z-index: 50; }

/* ---------- login ---------- */
.login { min-height: 100vh; display: grid; place-items: center; background: linear-gradient(160deg, var(--navy) 0%, var(--navy-3) 100%); }
.login-card { width: min(360px, 92vw); background: var(--card); border-radius: 14px; padding: 28px; display: grid; gap: 14px; box-shadow: 0 10px 40px rgba(0,0,0,.25); }
.login-card .brand { color: var(--navy); font-size: 20px; margin-bottom: 6px; }
.login-card label { display: grid; gap: 6px; font-weight: 500; }
.login-card input { padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; }
.error { color: var(--red); min-height: 1em; margin: 0; }

.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.logo { width: 32px; height: 32px; border-radius: 8px; display: grid; place-items: center; background: #f5c542; color: var(--navy); font-weight: 700; }

/* ---------- layout ---------- */
.app { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.sidebar { background: var(--navy); color: #dfe7f7; display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; }
.sidebar .brand { padding: 18px 18px 14px; color: #fff; }
#nav { flex: 1; overflow-y: auto; padding: 4px 10px; }
.nav-group { font-size: 11px; letter-spacing: .06em; text-transform: uppercase; color: #9fb0d4; padding: 14px 10px 6px; }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 8px; color: #dfe7f7; text-decoration: none; }
.nav-item:hover { background: rgba(255,255,255,.08); }
.nav-item.active { background: var(--navy-3); color: #fff; font-weight: 600; }
.nav-item .ro { margin-left: auto; font-size: 10px; background: rgba(255,255,255,.15); padding: 1px 6px; border-radius: 99px; }
.sidebar-foot { padding: 14px 16px; border-top: 1px solid rgba(255,255,255,.1); display: grid; gap: 8px; }
.me { font-size: 13px; }
.me small { color: #9fb0d4; display: block; }

.main { min-width: 0; }
.topbar { position: sticky; top: 0; z-index: 5; background: rgba(244,246,250,.92); backdrop-filter: blur(6px); display: flex; align-items: center; gap: 14px; padding: 14px 24px; border-bottom: 1px solid var(--line); }
.topbar h1 { font-size: 20px; margin: 0; flex: 1; color: var(--navy); }
.top-controls { display: flex; gap: 12px; flex-wrap: wrap; }
.ctl { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 13px; }
.ctl select { min-width: 150px; }
#menu-toggle { display: none; }
.page { padding: 22px 24px 60px; display: grid; gap: 18px; }

/* ---------- common ---------- */
.card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; min-width: 0; }
.card h2 { font-size: 15px; margin: 0 0 12px; color: var(--navy); display: flex; align-items: center; gap: 8px; }
.card h2 .spacer { flex: 1; }
.grid { display: grid; gap: 16px; }
.grid.kpi { grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
.grid.two { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); }
.kpi-card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 14px 16px; }
.kpi-card .k { color: var(--muted); font-size: 12px; }
.kpi-card .v { font-size: 22px; font-weight: 700; margin-top: 4px; font-variant-numeric: tabular-nums; }
.kpi-card .s { color: var(--muted); font-size: 12px; margin-top: 2px; }
.kpi-card.good .v { color: var(--green); }
.kpi-card.bad .v { color: var(--red); }

.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; }
.toolbar .grow { flex: 1; }
.field { display: grid; gap: 4px; font-size: 12px; color: var(--muted); }

input, select, textarea { border: 1px solid var(--line); border-radius: 7px; padding: 7px 10px; background: #fff; }
input:focus, select:focus, textarea:focus { outline: 2px solid #b9c9ee; border-color: var(--navy-3); }
input.cell { width: 100%; text-align: right; background: var(--input); border-color: var(--input-line); font-variant-numeric: tabular-nums; }
input.cell.text { text-align: left; }
input.cell:disabled { background: transparent; border-color: transparent; }
input.cell.saving { outline: 2px solid #f5c542; }
input.cell.saved { outline: 2px solid #8fd3a8; }

.btn { border: 1px solid var(--line); background: #fff; border-radius: 8px; padding: 7px 14px; cursor: pointer; white-space: nowrap; }
.btn:hover { background: #f7f9fc; }
.btn.primary { background: var(--navy); color: #fff; border-color: var(--navy); }
.btn.primary:hover { background: var(--navy-2); }
.btn.danger { color: var(--red); border-color: #f3c4c4; }
.btn.ghost { background: transparent; border-color: transparent; color: inherit; }
.btn.small { padding: 4px 10px; font-size: 12px; }
.btn.icon { padding: 4px 10px; font-size: 18px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th { background: var(--navy); color: #fff; font-weight: 600; font-size: 12.5px; padding: 9px 10px; text-align: left; position: sticky; top: 0; white-space: nowrap; }
td { padding: 7px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
td.num, th.num { text-align: right; white-space: nowrap; }
tr.total td { background: #eef2f9; font-weight: 700; }
tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: #f5f8fe; }
tr.current td { background: var(--blue-bg); }
tr.weekend td:first-child { color: var(--muted); }
.neg { color: var(--red); }
.pos { color: var(--green); }
.muted { color: var(--muted); }
.nowrap { white-space: nowrap; }
.empty { text-align: center; color: var(--muted); padding: 26px; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 99px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.badge.ok { background: var(--green-bg); color: var(--green); }
.badge.bad { background: var(--red-bg); color: var(--red); }
.badge.warn { background: var(--amber-bg); color: var(--amber); }
.badge.info { background: var(--blue-bg); color: var(--navy-3); }
.badge.gray { background: #eef0f4; color: var(--muted); }
.tag { display: inline-block; padding: 1px 7px; margin: 1px 2px; border-radius: 6px; background: #eef2f9; font-size: 12px; }

/* ---------- chart ---------- */
.chart-box { position: relative; height: 340px; }
.legend-table td { padding: 5px 8px; }
.swatch { display: inline-block; width: 11px; height: 11px; border-radius: 3px; margin-right: 8px; vertical-align: -1px; }

/* ---------- modal ---------- */
.modal-backdrop { position: fixed; inset: 0; background: rgba(15,23,42,.45); display: grid; place-items: center; z-index: 40; padding: 16px; }
.modal { background: #fff; border-radius: 12px; width: min(560px, 100%); max-height: 92vh; overflow: auto; box-shadow: 0 20px 60px rgba(0,0,0,.3); }
.modal header { padding: 16px 20px; border-bottom: 1px solid var(--line); font-weight: 700; color: var(--navy); display: flex; }
.modal header .x { margin-left: auto; }
.modal .body { padding: 18px 20px; display: grid; gap: 12px; }
.modal .body .row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.modal label { display: grid; gap: 5px; font-size: 13px; font-weight: 500; }
.modal .hint { font-size: 12px; color: var(--muted); font-weight: 400; }
.modal footer { padding: 14px 20px; border-top: 1px solid var(--line); display: flex; justify-content: flex-end; gap: 8px; }
.modal .error { margin-top: -4px; }

/* ---------- toast ---------- */
#toast-root { position: fixed; right: 18px; bottom: 18px; display: grid; gap: 8px; z-index: 60; }
.toast { background: var(--text); color: #fff; padding: 10px 14px; border-radius: 8px; box-shadow: var(--shadow); max-width: 380px; }
.toast.err { background: var(--red); }
.toast.ok { background: var(--green); }

/* ---------- log diff ---------- */
.diff { font-size: 12.5px; line-height: 1.6; }
.diff .f { color: var(--muted); }
.diff del { color: var(--red); text-decoration: line-through; }
.diff ins { color: var(--green); text-decoration: none; }

/* ---------- permissions matrix ---------- */
.perm td:first-child { font-weight: 500; }
.perm input[type=checkbox] { width: 17px; height: 17px; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: fixed; inset: 0 auto 0 0; width: 250px; z-index: 30; transform: translateX(-100%); transition: transform .2s; }
  .app.nav-open .sidebar { transform: none; }
  #menu-toggle { display: inline-block; }
  .grid.two { grid-template-columns: 1fr; }
  .topbar { padding: 12px 14px; flex-wrap: wrap; }
  .page { padding: 16px 12px 60px; }
  .modal .body .row { grid-template-columns: 1fr; }
}