* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #16191e;
  --panel: #1f242c;
  --panel2: #272d37;
  --line: #343c49;
  --text: #dfe6ee;
  --dim: #93a0b0;
  --accent: #55c06a;
  --accent2: #4cc2ff;
}
html, body { height: 100%; }
body {
  font: 13px/1.4 -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--text);
  display: flex; flex-direction: column; overflow: hidden;
  user-select: none; -webkit-user-select: none;
}

/* ---- top bar ---- */
#topbar {
  display: flex; align-items: center; gap: 14px;
  height: 48px; padding: 0 14px;
  background: var(--panel); border-bottom: 1px solid var(--line);
  flex: 0 0 auto;
}
#brand { font-weight: 700; font-size: 15px; letter-spacing: .3px; }
#modes { display: flex; background: var(--bg); border-radius: 8px; padding: 3px; gap: 3px; }
#modes .mode {
  border: 0; background: transparent; color: var(--dim);
  padding: 5px 14px; border-radius: 6px; cursor: pointer; font-weight: 600;
}
#modes .mode.active { background: var(--accent); color: #0c1a10; }
#actions { margin-left: auto; display: flex; align-items: center; gap: 6px; }
#actions button {
  border: 1px solid var(--line); background: var(--panel2); color: var(--text);
  padding: 5px 10px; border-radius: 7px; cursor: pointer;
}
#actions button:hover { border-color: var(--accent2); }
.sep { width: 1px; height: 22px; background: var(--line); margin: 0 4px; }
#sunwrap { display: flex; align-items: center; gap: 6px; margin-left: 6px; }
#sunwrap input { width: 110px; }

/* ---- layout ---- */
#main { flex: 1; display: flex; min-height: 0; }

/* ---- site credit (thin bar under the workspace) ---- */
.site-credit {
  flex: 0 0 auto; display: flex; justify-content: center;
  padding: 3px 12px; background: var(--panel); border-top: 1px solid var(--line);
  font-size: 11px; line-height: 1.3;
}
.site-credit a { display: inline-flex; align-items: center; gap: 8px; color: var(--dim); text-decoration: none; transition: color .2s; }
.site-credit img { width: 40px; height: 30px; }
.site-credit strong { font-weight: 600; color: var(--text); transition: color .2s; }
.site-credit a:hover { color: var(--text); }
.site-credit a:hover strong { color: #fff; }
.embedded .site-credit { display: none; }
#sidebar {
  width: 262px; flex: 0 0 auto; overflow-y: auto;
  background: var(--panel); border-right: 1px solid var(--line);
  padding: 12px;
}
#sidebar section + section { margin-top: 14px; }
#sidebar h3 {
  font-size: 11px; text-transform: uppercase; letter-spacing: 1px;
  color: var(--dim); margin: 12px 0 6px;
}
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.grid.tools button, .palette-grid button {
  border: 1px solid var(--line); background: var(--panel2); color: var(--text);
  padding: 7px 6px; border-radius: 8px; cursor: pointer; text-align: left;
  font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.grid.tools button.active, .palette-grid button.active {
  border-color: var(--accent); background: #2a3d2e; color: #d7f5dd;
}
.grid.tools button:hover, .palette-grid button:hover { border-color: var(--accent2); }
.palette-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-bottom: 4px; }
#paints button {
  height: 28px; border-radius: 7px; border: 2px solid var(--line); cursor: pointer;
  color: #fff; font-size: 11px; text-shadow: 0 1px 2px rgba(0,0,0,.7);
}
#paints button.active { border-color: #fff; }
.slider { display: flex; align-items: center; gap: 8px; margin-top: 10px; color: var(--dim); font-size: 12px; }
.slider input { flex: 1; }

/* ---- viewport ---- */
#viewport { position: relative; flex: 1; min-width: 0; }
#c { position: absolute; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; }
.floating {
  position: absolute; background: rgba(26,30,37,.92); backdrop-filter: blur(6px);
  border: 1px solid var(--line); border-radius: 12px; padding: 12px; width: 220px;
  box-shadow: 0 8px 30px rgba(0,0,0,.4);
}
.floating h3 { font-size: 12px; margin-bottom: 8px; color: var(--text); }
#sel-panel { right: 14px; top: 14px; }
#photo-panel { left: 14px; top: 14px; }
#photo-panel button {
  width: 100%; padding: 7px; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--line); background: var(--panel2); color: var(--text);
}
#photo-status { margin-top: 8px; font-size: 12px; color: var(--dim); line-height: 1.45; }
.row { display: flex; gap: 6px; margin-top: 10px; }
.row button {
  flex: 1; padding: 6px; border-radius: 7px; cursor: pointer;
  border: 1px solid var(--line); background: var(--panel2); color: var(--text);
}
.row button.danger { border-color: #7a3b3b; color: #ff9d9d; }
#hint {
  position: absolute; left: 50%; bottom: 12px; transform: translateX(-50%);
  background: rgba(20,23,28,.85); border: 1px solid var(--line);
  padding: 6px 14px; border-radius: 999px; color: var(--dim); font-size: 12px;
  pointer-events: none; white-space: nowrap; max-width: 92%;
  overflow: hidden; text-overflow: ellipsis;
}

/* ---- mode visibility ---- */
.hidden { display: none !important; }
body[data-mode="design"] .photo-only { display: none !important; }
body[data-mode="photo"] .design-only { display: none !important; }
#photo-panel.photo-only { display: block; }
body[data-mode="design"] #photo-panel { display: none !important; }

/* ---- color pickers ---- */
.colorrow { display: flex; align-items: center; justify-content: space-between; margin-top: 8px; color: var(--dim); font-size: 12px; }
.colorrow input { width: 46px; height: 26px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel2); padding: 2px; cursor: pointer; }
#col-reset { margin-top: 8px; width: 100%; padding: 5px; border-radius: 7px; border: 1px solid var(--line); background: var(--panel2); color: var(--text); cursor: pointer; }

/* ---- estimate panel ---- */
#est-panel { right: 14px; bottom: 44px; width: 320px; max-height: 46%; display: flex; flex-direction: column; }
#est-panel h3 { display: flex; justify-content: space-between; align-items: baseline; }
#est-total { color: var(--accent); font-size: 15px; font-weight: 700; }
#est-rows { overflow-y: auto; min-height: 0; }
.est-row { display: flex; align-items: center; gap: 6px; padding: 4px 0; border-bottom: 1px solid var(--line); font-size: 12px; }
.est-row:last-child { border-bottom: 0; }
.est-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.est-unit { color: var(--dim); display: flex; align-items: center; }
.est-unit input { width: 62px; background: var(--panel2); border: 1px solid var(--line); border-radius: 5px; color: var(--text); padding: 2px 4px; font-size: 12px; text-align: right; }
.est-unit input:focus { border-color: var(--accent2); outline: none; }
.est-line { width: 64px; text-align: right; font-weight: 600; }
.est-empty { color: var(--dim); font-size: 12px; padding: 6px 0; }
#est-note { margin-top: 8px; font-size: 11px; color: var(--dim); line-height: 1.4; }

.qtyin { width: 42px !important; }
.est-unit + .est-unit { margin-left: 2px; }

/* ---- print overlay ---- */
#print-overlay { position: fixed; inset: 0; z-index: 50; background: rgba(10,12,15,.8); display: flex; flex-direction: column; }
.po-bar { display: flex; align-items: center; gap: 12px; padding: 10px 16px; background: var(--panel); border-bottom: 1px solid var(--line); }
.po-bar span { color: var(--dim); font-size: 12px; flex: 1; }
.po-bar button { border: 1px solid var(--line); background: var(--panel2); color: var(--text); padding: 6px 12px; border-radius: 7px; cursor: pointer; }
.po-bar button:hover { border-color: var(--accent2); }
#po-frame { flex: 1; border: 0; background: #fff; }

.paintchip { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; }

/* ---- draw finish buttons ---- */
#draw-actions { position: absolute; left: 50%; bottom: 48px; transform: translateX(-50%); display: flex; gap: 8px; z-index: 20; }
#draw-actions button { padding: 9px 18px; border-radius: 999px; border: 1px solid var(--line); background: rgba(26,30,37,.95); color: var(--text); cursor: pointer; font-size: 13px; }
#draw-actions #draw-done { border-color: var(--accent); color: #d7f5dd; }

/* ---- mobile ---- */
#menu-btn { display: none; border: 1px solid var(--line); background: var(--panel2); color: var(--text); padding: 5px 11px; border-radius: 7px; cursor: pointer; font-size: 15px; }
@media (max-width: 760px) {
  #menu-btn { display: block; }
  #topbar { gap: 8px; padding: 0 8px; overflow-x: auto; scrollbar-width: none; }
  #topbar::-webkit-scrollbar { display: none; }
  .brandname { display: none; }
  #modes .mode { padding: 5px 10px; }
  #actions { gap: 4px; }
  #actions button { padding: 5px 8px; font-size: 12px; }
  #sunwrap input { width: 64px; }
  #sidebar {
    position: fixed; top: 48px; bottom: 0; left: 0; z-index: 40;
    width: min(300px, 85vw);
    transform: translateX(-105%); transition: transform .22s ease;
    box-shadow: 12px 0 30px rgba(0,0,0,.45);
  }
  body.sidebar-open #sidebar { transform: none; }
  #sel-panel { right: 8px; top: 8px; width: 190px; padding: 10px; }
  #photo-panel { left: 8px; top: 8px; width: 190px; padding: 10px; }
  #est-panel { left: 8px; right: 8px; bottom: 8px; width: auto; max-height: 40%; }
  #hint { font-size: 11px; bottom: 8px; max-width: 96%; }
  #draw-actions { bottom: 56px; }
  .floating h3 { font-size: 11px; }
}

/* ---- collapsible estimate ---- */
#est-head { cursor: pointer; user-select: none; }
#est-head .chev { color: var(--dim); display: inline-block; transition: transform .18s ease; margin-right: 2px; }
#est-panel.collapsed .chev { transform: rotate(-90deg); }
#est-panel.collapsed #est-rows,
#est-panel.collapsed .row,
#est-panel.collapsed #est-add,
#est-panel.collapsed #est-note { display: none; }
#est-panel.collapsed { max-height: none; }

/* ---- customer quote mode ---- */
body.quote-mode #est-panel, body.quote-mode #btn-est { display: none !important; }
#quote-bar { position: absolute; right: 14px; bottom: 48px; z-index: 25; }
#quote-bar button {
  border: 0; cursor: pointer; font-weight: 700; font-size: 13px;
  padding: 12px 20px; border-radius: 999px; color: #0c1a10;
  background: var(--accent); box-shadow: 0 6px 24px rgba(0,0,0,.45);
}
#quote-bar button:hover { filter: brightness(1.08); }
@media (max-width: 760px) {
  #quote-bar { right: 8px; bottom: 42px; }
  #quote-bar button { padding: 10px 16px; font-size: 12px; }
}
#quote-modal {
  position: fixed; inset: 0; z-index: 100; display: grid; place-items: center;
  padding: 16px; background: rgba(0,0,0,.6); backdrop-filter: blur(3px);
}
#quote-modal[hidden] { display: none; }
.qm-card {
  position: relative; width: min(460px, 100%); max-height: calc(100dvh - 32px); overflow-y: auto;
  background: var(--panel); color: var(--text); border: 1px solid var(--line);
  border-radius: 16px; padding: 26px 24px 22px; box-shadow: 0 20px 60px rgba(0,0,0,.5);
}
.qm-card h2 { font-size: 19px; margin: 0 28px 6px 0; }
.qm-sub { color: var(--dim); margin: 0 0 18px; font-size: 13.5px; }
.qm-card label { display: block; margin-bottom: 12px; }
.qm-card label span { display: block; font-size: 12px; font-weight: 600; color: var(--dim); margin-bottom: 5px; }
.qm-card input, .qm-card textarea {
  width: 100%; box-sizing: border-box; font: inherit; font-size: 15px; color: var(--text);
  background: var(--bg); border: 1px solid var(--line); border-radius: 9px; padding: 10px 12px;
}
.qm-card input:focus, .qm-card textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.qm-card textarea { resize: vertical; }
.qm-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (max-width: 480px) { .qm-row { grid-template-columns: 1fr; gap: 0; } }
.qm-hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.qm-err { color: #ff9b8f; font-weight: 600; margin: 0; min-height: 0; }
.qm-err:not(:empty) { margin-bottom: 12px; }
.qm-go {
  width: 100%; border: 0; cursor: pointer; font: inherit; font-weight: 700; font-size: 14px;
  padding: 13px 18px; border-radius: 999px; color: #0c1a10; background: var(--accent);
}
.qm-go:disabled { opacity: .7; cursor: progress; }
.qm-x {
  position: absolute; top: 12px; right: 12px; width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--line); background: var(--panel2); color: var(--text); cursor: pointer; font-size: 14px;
}
.qm-done { text-align: center; padding: 18px 4px 4px; outline: none; }
.qm-done h2 { margin: 0 0 10px; }
.qm-done p { color: var(--dim); margin: 0 0 20px; font-size: 14px; }
.qm-done a { color: var(--accent); font-weight: 700; }

/* ---- custom estimate lines ---- */
#est-add { margin-top: 8px; width: 100%; padding: 6px; border-radius: 7px; border: 1px dashed var(--line); background: transparent; color: var(--dim); cursor: pointer; font-size: 12px; }
#est-add:hover { border-color: var(--accent2); color: var(--text); }
.est-row input.clabel { flex: 1; min-width: 0; background: var(--panel2); border: 1px solid var(--line); border-radius: 5px; color: var(--text); padding: 3px 6px; font-size: 12px; }
.est-row button.cdel { border: 0; background: transparent; color: var(--dim); cursor: pointer; font-size: 14px; padding: 0 2px; }
.est-row button.cdel:hover { color: #ff9d9d; }

/* ---- mobile topbar wraps instead of clipping ---- */
@media (max-width: 760px) {
  #topbar { flex-wrap: wrap; height: auto; padding: 6px 8px; row-gap: 6px; overflow-x: visible; }
  #actions { margin-left: 0; flex-wrap: wrap; row-gap: 6px; }
  #sidebar { top: 0; padding-top: 12px; z-index: 60; }
}

/* ---- customer guided tour ---- */
#quote-bar { display: flex; align-items: center; gap: 8px; }
#tour-btn {
  width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line); cursor: pointer;
  background: var(--panel); color: var(--text); font-weight: 800; font-size: 16px;
  box-shadow: 0 6px 24px rgba(0,0,0,.45);
}
#tour-btn:hover { border-color: var(--accent); }
#tour { position: fixed; inset: 0; z-index: 90; }
#tour[hidden] { display: none; }
.tour-spot {
  position: fixed; border-radius: 12px; pointer-events: none;
  box-shadow: 0 0 0 2px var(--accent), 0 0 0 9999px rgba(0,0,0,.6);
  transition: left .3s ease, top .3s ease, width .3s ease, height .3s ease;
}
.tour-card {
  position: fixed; width: min(340px, calc(100vw - 24px)); box-sizing: border-box;
  background: var(--panel); color: var(--text); border: 1px solid var(--line); border-radius: 14px;
  padding: 18px 18px 14px; box-shadow: 0 20px 60px rgba(0,0,0,.55);
  transition: left .3s ease, top .3s ease;
}
.tour-card h2 { font-size: 17px; margin: 0 26px 6px 0; }
.tour-card #tour-body { margin: 0 0 14px; color: var(--dim); font-size: 14px; line-height: 1.5; }
.tour-count { margin: 0 0 4px; font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
.tour-count:empty { display: none; }
.tour-x {
  position: absolute; top: 10px; right: 10px; width: 32px; height: 32px; border-radius: 50%;
  border: 1px solid var(--line); background: var(--panel2); color: var(--text); cursor: pointer;
}
.tour-nav { display: flex; justify-content: flex-end; gap: 8px; }
.tour-nav button {
  font: inherit; font-weight: 700; font-size: 13.5px; cursor: pointer; border-radius: 999px; padding: 9px 16px;
}
.tour-back { background: transparent; color: var(--text); border: 1px solid var(--line); }
.tour-back[hidden] { display: none; }
.tour-next { background: var(--accent); color: #0c1a10; border: 0; }
.tour-card :focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { .tour-spot, .tour-card { transition: none; } }

/* ---- stacked block border row sliders ---- */
.tierv { min-width: 40px; text-align: right; color: var(--text); font-variant-numeric: tabular-nums; }