/* AFLBM Takeoff — glass theme, light + dark.
   Theme switching: html[data-theme="light"|"dark"], set by app.js (☾/☀
   toggle, persisted; falls back to the OS preference). All colors live in
   variables; both themes must keep contrast on plan canvases (plans are
   white paper - the canvas bed stays neutral). */

:root, html[data-theme="light"] {
  --bg: #eef1f5;
  --panel: rgba(255, 255, 255, .72);
  --panel2: rgba(255, 255, 255, .85);
  --solid: #ffffff;
  --border: rgba(20, 30, 50, .12);
  --text: #1d2430;
  --dim: #687588;
  --accent: #0a84ff;
  --accent-soft: rgba(10, 132, 255, .12);
  --green: #1d9d5f;
  --green-soft: rgba(29, 157, 95, .14);
  --amber: #c98a0a;
  --amber-soft: rgba(232, 179, 57, .18);
  --red: #d64545;
  --canvas-bg: #dde2e9;
  --shadow: 0 8px 28px rgba(20, 30, 50, .14);
  --glass: blur(16px) saturate(1.5);
  --scrim: rgba(240, 243, 248, .6);
}
html[data-theme="dark"] {
  --bg: #15181d;
  --panel: rgba(28, 32, 40, .72);
  --panel2: rgba(40, 46, 56, .85);
  --solid: #20242c;
  --border: rgba(255, 255, 255, .1);
  --text: #dde2ea;
  --dim: #8b94a1;
  --accent: #409cff;
  --accent-soft: rgba(64, 156, 255, .16);
  --green: #30c878;
  --green-soft: rgba(48, 200, 120, .16);
  --amber: #e8b339;
  --amber-soft: rgba(232, 179, 57, .14);
  --red: #ff6b6b;
  --canvas-bg: #101318;
  --shadow: 0 8px 28px rgba(0, 0, 0, .5);
  --glass: blur(16px) saturate(1.4);
  --scrim: rgba(8, 10, 14, .65);
}

/* the hidden attribute must always win - several overlays/bars set their own
   display (flex), which otherwise overrides it (first real-browser finding:
   login overlay never dismissed after successful sign-in) */
[hidden] { display: none !important; }
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%;
  font: 13px/1.45 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI",
        Inter, system-ui, sans-serif;
  background: var(--bg); color: var(--text); overflow: hidden;
  -webkit-font-smoothing: antialiased; }

/* ---------- top bar ---------- */
#topbar { display: flex; align-items: center; gap: 8px; padding: 8px 12px;
  background: var(--panel); backdrop-filter: var(--glass);
  -webkit-backdrop-filter: var(--glass);
  border-bottom: 1px solid var(--border); flex-wrap: wrap; }
#brand { font-weight: 700; letter-spacing: -.2px; color: var(--accent); margin-right: 6px; }
.sep { width: 1px; height: 22px; background: var(--border); }
.dim { color: var(--dim); font-size: 12px; }
#status { margin-left: auto; }

button, select, input[type=text], input[type=number], input[type=email],
input[type=password], textarea {
  background: var(--panel2); color: var(--text); border: 1px solid var(--border);
  border-radius: 8px; padding: 5px 11px; font: inherit; cursor: pointer;
  transition: border-color .12s, background .12s, box-shadow .12s; }
input, textarea, select { cursor: auto; }
button:hover { border-color: var(--accent); box-shadow: 0 1px 6px var(--accent-soft); }
button:active { transform: translateY(.5px); }
button.tool.active { background: var(--accent); color: #fff; border-color: var(--accent); }
label { color: var(--dim); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

button.toggle { opacity: .55; }
button.toggle.active { opacity: 1; border-color: var(--accent); color: var(--accent); }
#feedbackBtn { padding: 5px 8px; }

#main { display: flex; height: calc(100% - 45px); }

/* ---------- sheets ---------- */
#sheetPanel { width: 168px; background: var(--panel); backdrop-filter: var(--glass);
  -webkit-backdrop-filter: var(--glass);
  border-right: 1px solid var(--border); overflow-y: auto; padding: 10px; }
#sheetPanel h3 { margin: 2px 0 8px; font-size: 11px; color: var(--dim);
  text-transform: uppercase; letter-spacing: .6px; }
.sheetItem { padding: 7px 9px; border: 1px solid var(--border); border-radius: 10px;
  margin-bottom: 7px; cursor: pointer; background: var(--panel2);
  transition: border-color .12s, box-shadow .12s; }
.sheetItem:hover { border-color: var(--accent); }
.sheetItem.active { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent),
  0 2px 10px var(--accent-soft); }
.sheetItem .meta { color: var(--dim); font-size: 11px; }
.sheetItem .storey { color: var(--accent); font-size: 11px; cursor: pointer; }
.sheetItem .storey:hover { text-decoration: underline; }
.storeySel { float: right; font-size: 10px; padding: 1px 3px;
  color: var(--amber); border: 1px solid var(--border); border-radius: 6px; }

/* ---------- canvas ---------- */
#canvasWrap { flex: 1; position: relative; background: var(--canvas-bg); }
#canvas { width: 100%; height: 100%; display: block; cursor: grab; }
#canvas.crosshair { cursor: crosshair; }
#hint { position: absolute; left: 12px; bottom: 12px; background: var(--panel);
  backdrop-filter: var(--glass); -webkit-backdrop-filter: var(--glass);
  border: 1px solid var(--border); padding: 5px 12px; border-radius: 9px;
  color: var(--amber); pointer-events: none; box-shadow: var(--shadow); }
#hint:empty { display: none; }

/* ---------- right panel ---------- */
#rightPanel { width: 370px; background: var(--panel); backdrop-filter: var(--glass);
  -webkit-backdrop-filter: var(--glass);
  border-left: 1px solid var(--border); display: flex; flex-direction: column; }
#rightTabs { display: flex; gap: 4px; padding: 6px 6px 0; border-bottom: 1px solid var(--border); }
.rtab { flex: 1; border: 0; border-radius: 8px 8px 0 0; padding: 8px; background: transparent; }
.rtab:hover { box-shadow: none; background: var(--accent-soft); }
.rtab.active { background: var(--panel2); color: var(--accent); font-weight: 600; }
.tabBody { flex: 1; overflow-y: auto; padding: 10px; }

.pkgHeader { background: var(--accent-soft); color: var(--accent); padding: 5px 9px;
  border-radius: 7px; margin: 10px 0 4px; font-weight: 600; font-size: 12px;
  cursor: pointer; }
.measRow { display: flex; align-items: center; gap: 6px; padding: 6px 8px;
  border: 1px solid var(--border); border-radius: 8px; margin-bottom: 4px;
  cursor: pointer; background: var(--panel2); }
.measRow:hover { border-color: var(--accent); }
.measRow.selected { border-color: var(--amber); background: var(--amber-soft); }
.measRow .qty { margin-left: auto; font-weight: 600; white-space: nowrap;
  font-variant-numeric: tabular-nums; }
.measRow .src { font-size: 10px; color: var(--dim); }
.measRow .del { color: var(--red); border: 0; background: none; padding: 0 4px; box-shadow: none; }

#paramEditor { border-top: 1px solid var(--border); padding: 10px; background: var(--panel2); }
#paramEditor h4 { margin: 0 0 6px; font-size: 12px; }
#paramEditor .row { display: flex; align-items: center; gap: 6px; margin-bottom: 5px; }
#paramEditor .row label { flex: 1; }
#paramEditor input[type=number] { width: 90px; }
#paramEditor select { width: 100%; }

/* ---------- BOM tab ---------- */
#scopePanel { background: var(--panel2); border: 1px solid var(--border); border-radius: 10px;
  padding: 10px 12px; margin-bottom: 8px; display: flex; flex-direction: column; gap: 4px; }
#scopePanel h4 { margin: 0 0 4px; font-size: 11px; color: var(--dim);
  text-transform: uppercase; letter-spacing: .6px; }
#scopePanel label { display: flex; align-items: center; gap: 6px; color: var(--text); }
#scopePanel .panelOpt { color: var(--amber); }
#panelRates { margin-left: 22px; }
#panelRateTable { border-collapse: collapse; font-size: 12px; }
#panelRateTable th, #panelRateTable td { padding: 2px 6px; text-align: left; color: var(--dim); }
#panelRateTable input { width: 72px; padding: 2px 6px; }
#panelRateHint { margin: 4px 0; font-size: 11px; }
#panelSummary { margin-top: 6px; }
#panelSummary table { border-collapse: collapse; font-size: 12px; width: 100%; }
#panelSummary td, #panelSummary th { padding: 2px 6px; border-bottom: 1px solid var(--border); text-align: left; }
#panelSummary .headline { background: var(--green-soft); color: var(--green); font-weight: 700;
  padding: 7px 10px; border-radius: 8px; margin-top: 6px; }
#panelSummary .warn { color: var(--red); font-size: 11px; }

.bomActions { display: flex; gap: 8px; margin: 8px 0; align-items: center; }
#bomTable { width: 100%; border-collapse: collapse; font-size: 12px; }
#bomTable th, #bomTable td { border-bottom: 1px solid var(--border); padding: 4px 6px; text-align: left; }
#bomTable .phaseRow td { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
#bomTable .budget td { background: var(--amber-soft); }
#bomTable td.num { text-align: right; font-variant-numeric: tabular-nums; }
.disclaimer { color: var(--dim); font-size: 11px; }
#exportLinks a { color: var(--green); margin-right: 12px; }

/* ---------- specs tab ---------- */
.specRow { display: flex; gap: 8px; align-items: baseline; margin-bottom: 8px; }
.specRow label { width: 86px; flex-shrink: 0; font-size: 12px; }
.specRow input, .specRow textarea { flex: 1; }
#specsTab textarea { resize: vertical; font: inherit; }

/* ---------- floating bars & banners ---------- */
#wallsBar { position: fixed; top: 54px; left: 50%; transform: translateX(-50%);
  background: var(--panel); backdrop-filter: var(--glass);
  -webkit-backdrop-filter: var(--glass);
  border: 1px solid var(--amber); border-radius: 12px;
  padding: 9px 16px; display: flex; gap: 10px; align-items: center; z-index: 10;
  box-shadow: var(--shadow); }

#scaleBanner { display: flex; gap: 10px; align-items: center; padding: 7px 12px;
  background: var(--accent-soft); border-bottom: 1px solid var(--accent); }
#scaleBanner button { padding: 2px 10px; }

#bulkBar { display: flex; gap: 8px; align-items: center; padding: 7px 9px;
  background: var(--amber-soft); border: 1px solid var(--amber); border-radius: 9px;
  margin-bottom: 6px; flex-wrap: wrap; }
#bulkBar #bulkDelete { color: var(--red); }

/* ---------- 3D ---------- */
.tabBody.three { display: flex; flex-direction: column; padding: 0; }
#canvas3d { flex: 1; width: 100%; display: block; background: var(--canvas-bg); cursor: grab; }
#threeHelp { padding: 6px 10px; font-size: 11px; }

/* ---------- modal overlays (login, formulas, feedback, admin) ---------- */
.modalOverlay, #formulaOverlay, #loginOverlay { position: fixed; inset: 0;
  background: var(--scrim); backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center; z-index: 60; }
#loginOverlay { z-index: 100; }
.modalBox, #formulaBox, #loginBox { background: var(--panel);
  backdrop-filter: var(--glass); -webkit-backdrop-filter: var(--glass);
  border: 1px solid var(--border); border-radius: 14px;
  box-shadow: var(--shadow); padding: 20px 24px; }
.modalBox { width: min(560px, 94vw); max-height: 88vh; overflow-y: auto;
  display: flex; flex-direction: column; gap: 8px; }
.modalBox.wide { width: min(900px, 94vw); }
.modalBox h2 { margin: 0; font-size: 16px; }
.modalBox h3 { margin: 10px 0 4px; font-size: 13px; color: var(--accent); }
.modalBox textarea { width: 100%; resize: vertical; font: inherit; }
.adminTableWrap { max-height: 300px; overflow-y: auto; }
.adminTableWrap table { width: 100%; border-collapse: collapse; font-size: 12px; }
.adminTableWrap td, .adminTableWrap th { padding: 4px 6px; border-bottom: 1px solid var(--border);
  text-align: left; vertical-align: top; }
.adminTableWrap code { background: var(--accent-soft); padding: 0 4px; border-radius: 4px; }
.adminTabs { display: flex; gap: 6px; margin: 10px 0 4px; border-bottom: 1px solid var(--border); }
.adminTab { background: none; border: none; border-bottom: 2px solid transparent;
  padding: 6px 10px; color: var(--dim); cursor: pointer; font: inherit; }
.adminTab.active { color: var(--accent); border-bottom-color: var(--accent); }
.adminPane { padding-top: 6px; }
.adminForm { margin-top: 10px; padding: 10px; background: var(--accent-soft);
  border-radius: 6px; }
.adminForm h4 { margin: 0 0 8px; font-size: 12px; color: var(--accent); }
.formRow { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; margin-bottom: 8px; }
.formRow label { display: flex; flex-direction: column; gap: 2px; font-size: 12px; }
.formRow input, .formRow select { font: inherit; padding: 3px 5px; }
button.ghost { background: none; border: 1px solid var(--border); color: var(--dim);
  border-radius: 4px; padding: 3px 8px; cursor: pointer; }
#bannerJoist { font-size: 11px; }

#formulaBox { width: min(900px, 94vw); max-height: 88vh; overflow-y: auto; }
#formulaBox h2 { margin: 0 0 6px; font-size: 16px; }
#formulaBox h3 { margin: 12px 0 6px; font-size: 13px; color: var(--accent); }
#formulaBox code { background: var(--accent-soft); padding: 0 4px; border-radius: 4px; }
#factorGrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
#factorGrid label { display: flex; flex-direction: column; font-size: 11px; color: var(--dim); }
#factorGrid input { width: 100%; }
.fAsm { border: 1px solid var(--border); border-radius: 9px; margin-top: 10px; overflow: hidden; }
.fAsm > summary { padding: 7px 11px; cursor: pointer; font-weight: 600; background: var(--panel2); }
.fAsm table { width: 100%; border-collapse: collapse; font-size: 12px; }
.fAsm td, .fAsm th { padding: 3px 6px; border-bottom: 1px solid var(--border); }
.fAsm input.fx { width: 100%; font-family: ui-monospace, SFMono-Regular, monospace; font-size: 12px; }
#formulaStatus.err { color: var(--red); }

#loginBox { padding: 30px 34px; width: 330px; display: flex; flex-direction: column; gap: 10px; }
#loginBox h2 { margin: 0; color: var(--accent); }
#loginBox input { width: 100%; }
#devLogin { display: flex; flex-direction: column; gap: 8px; }
#ssoBtn { background: var(--accent); color: #fff; font-weight: 600; padding: 8px; border-color: var(--accent); }
#loginErr { color: var(--red); min-height: 16px; }
#userChip { max-width: 180px; overflow: hidden; text-overflow: ellipsis; }

.solvedBox { background: var(--panel2); border: 1px solid var(--border); border-radius: 8px;
  padding: 6px 8px; margin-top: 6px; font-size: 11px; color: var(--dim); }
.pkgHeader .caret { cursor: pointer; padding: 0 4px; user-select: none; }

/* ---- the persistent review panel (posture flip, Phase 1) ---- */
#reviewPanel { border: 1px solid var(--amber, #e8b339); border-radius: 6px;
  padding: 6px 8px; margin-bottom: 8px; background: rgba(232,179,57,.06); }
#reviewHead { display: flex; align-items: center; gap: 6px; }
#reviewHead b { flex: 1; font-size: 12px; }
#reviewGroups .reviewGroup { display: flex; align-items: center; gap: 4px;
  font-size: 12px; padding: 3px 2px; border-top: 1px dashed rgba(128,128,128,.25); }
#reviewGroups .reviewGroup span { flex: 1; }
#reviewNotes { margin-top: 6px; font-size: 11px; }
#reviewNotes summary { cursor: pointer; opacity: .8; }
#reviewNoteBody { max-height: 180px; overflow-y: auto; white-space: pre-wrap;
  opacity: .85; padding-top: 4px; }

/* ---- Phase-1 audit: chips, pending badge, cross-check banner ---- */
.chip { display: inline-block; font-size: 10px; line-height: 1.5; padding: 0 5px;
  border-radius: 8px; margin-left: 4px; vertical-align: baseline;
  border: 1px solid var(--border); color: var(--dim); }
.chip.red { border-color: var(--red, #e63946); color: var(--red, #e63946);
  background: rgba(230,57,70,.08); }
.chip.green { border-color: #4a9; color: #4a9; background: rgba(68,170,153,.08); }
.chip.page { border-color: var(--accent); color: var(--accent); margin-left: 0;
  margin-right: 4px; }
#pendingBadge { background: var(--amber, #e8b339); color: #221; font-weight: 700;
  font-size: 11px; border-radius: 9px; padding: 1px 8px; margin-left: 8px; }
#reviewBanner { color: var(--red, #e63946); font-size: 11px; font-weight: 600;
  padding: 3px 4px 5px; white-space: pre-wrap; }