/* Line of Sight tool — stylesheet. */

:root {
  --cam: #ffffff;            /* camera location          */
  --los: hsl(190, 95%, 62%); /* line of sight            */
  --obj: #ffb454;            /* subject / object location*/
  --edit: #ff4d94;           /* unsaved location edits   */
  --panel: rgba(18, 28, 30, 0.82);
  --panel-border: rgba(255, 255, 255, 0.12);
  --text: #eaf2f2;
  --muted: #9fb2b2;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background-color: #1a2526;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
}

#map {
  position: absolute;
  inset: 0;
  transition: filter 0.25s ease;
}
#map.blur { filter: blur(14px) brightness(0.7); }

/* ---------- Title / intro panel ---------- */
#intro {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 5;
  max-width: 330px;
  padding: 14px 16px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
#intro h1 {
  margin: 0 0 6px;
  font-size: 18px;
  letter-spacing: 0.2px;
  display: flex;
  align-items: center;
  gap: 8px;
}
#intro h1 .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--los);
  box-shadow: 0 0 10px var(--los);
}
#intro p { margin: 0; font-size: 12.5px; line-height: 1.5; color: var(--muted); }
#intro .hint { margin-top: 8px; font-size: 11.5px; color: var(--los); }

/* ---------- Bottom-left control stack (Edit · Select · Layers) ---------- */
/* Three calm, equal-width rows: two action buttons and the collapsible
   layers/filters/basemap panel whose header reads as the third button. */
#controls {
  position: absolute;
  left: 12px;
  bottom: 28px;
  z-index: 6;
  width: 256px;
  max-width: 82vw;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
#controls .pbtn {
  width: 100%;
  padding: 9px 12px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--text);
  font-size: 12px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}
#controls .pbtn:hover { border-color: var(--los); }
#controls .pbtn.active { background: var(--los); color: #08222a; border-color: var(--los); }
#panel {
  width: 100%;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-size: 12px;
  overflow: hidden;
}
#panel .phead {
  display: flex; align-items: center; justify-content: space-between;
  gap: 8px; padding: 9px 12px; cursor: pointer; user-select: none;
  font-weight: 600; color: var(--text);
}
#panel .phead .chev { color: var(--muted); transition: transform .2s ease; }
#panel.collapsed .pbody { display: none; }
#panel.collapsed .phead .chev { transform: rotate(-90deg); }
#panel .pbody { max-height: 64vh; overflow-y: auto; padding: 0 12px 10px; }
#panel .sect { border-top: 1px solid var(--panel-border); padding: 9px 0 5px; }
#panel .sect:first-child { border-top: 0; }
#panel .lbl { font-size: 10px; text-transform: uppercase; letter-spacing: .6px; color: var(--muted); margin-bottom: 6px; }
#panel .row { display: flex; align-items: center; gap: 8px; padding: 3px 0; color: var(--muted); }
#panel .row .name { flex: 1; color: var(--text); cursor: pointer; }
#panel .row .k { color: var(--muted); font-size: 11px; }
#panel .frow { display: flex; align-items: center; gap: 8px; padding: 3px 0; }
#panel .frow .k { flex: 0 0 58px; color: var(--muted); font-size: 11px; }
#panel .frow .v { flex: 0 0 46px; text-align: right; font-size: 10.5px; color: var(--text); }
#panel input[type=range] { flex: 1; min-width: 0; accent-color: var(--los); height: 16px; }
#panel input[type=range].mini { flex: 0 0 64px; }
#panel input[type=color] { width: 24px; height: 18px; flex: 0 0 24px; padding: 0; border: 1px solid var(--panel-border); border-radius: 4px; background: none; cursor: pointer; }
#panel input[type=checkbox] { accent-color: var(--los); width: 14px; height: 14px; flex: 0 0 14px; }
#panel .sub2 { padding-left: 22px; }
#panel .sub2 .k2 { flex: 0 0 50px; font-size: 10.5px; color: var(--muted); }
#panel .swatch { width: 16px; height: 14px; flex: 0 0 16px; display: inline-flex; align-items: center; justify-content: center; }
#panel .swatch.cam::before  { content: ""; width: 11px; height: 11px; border-radius: 50%; background: rgba(255,255,255,.15); border: 1.5px solid var(--cam); }
#panel .swatch.los::before  { content: ""; width: 16px; height: 3px; border-radius: 2px; background: var(--los); }
#panel .swatch.obj::before  { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--obj); }
#panel .swatch.cone { clip-path: polygon(50% 100%, 8% 12%, 92% 12%); background: linear-gradient(to top, #ffffff, #4a96ff); }
#panel .seg { display: flex; gap: 4px; flex: 1; }
#panel .seg button { flex: 1; background: rgba(0,0,0,.25); color: var(--muted); border: 1px solid var(--panel-border); border-radius: 6px; padding: 4px 0; font-size: 11px; cursor: pointer; }
#panel .seg button.on { background: var(--los); color: #08222a; border-color: var(--los); font-weight: 600; }
#panel select { width: 100%; background: rgba(0,0,0,.25); color: var(--text); border: 1px solid var(--panel-border); border-radius: 6px; padding: 5px 6px; font-size: 12px; }
#panel .readout { font-size: 10px; color: var(--muted); padding-left: 58px; min-height: 12px; }

/* ---------- Right-click services menu ---------- */
#ctxmenu {
  position: absolute;
  z-index: 60;
  display: none;
  min-width: 168px;
  max-width: 280px;
  max-height: 70vh;
  overflow-y: auto;
  padding: 5px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
#ctxmenu .cm-head { font-size: 10px; text-transform: uppercase; letter-spacing: .6px; color: var(--muted); padding: 4px 8px 6px; }
#ctxmenu a { display: block; padding: 6px 8px; font-size: 12.5px; color: var(--text); text-decoration: none; border-radius: 6px; }
#ctxmenu a:hover { background: rgba(255,255,255,.08); color: var(--los); }
#ctxmenu .cm-coord { font-size: 10.5px; color: var(--muted); padding: 6px 8px 3px; border-top: 1px solid var(--panel-border); margin-top: 4px; }
/* Photo-specific menu entries (buttons, so they can run tool actions). */
#ctxmenu button.cm-item {
  display: block; width: 100%; text-align: left;
  padding: 6px 8px; font-size: 12.5px; color: var(--text);
  background: none; border: 0; border-radius: 6px; cursor: pointer;
}
#ctxmenu button.cm-item:hover { background: rgba(255,255,255,.08); color: var(--los); }
#ctxmenu .cm-cnt { color: var(--muted); font-size: 10.5px; }
#ctxmenu .cm-note { padding: 4px 8px 6px; font-size: 11px; color: var(--muted); }

/* ---------- Status pill (loading / count) ---------- */
#status {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  padding: 7px 14px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  box-shadow: var(--shadow);
  font-size: 12.5px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  white-space: nowrap;
}
#status .spinner {
  width: 13px; height: 13px;
  border: 2px solid rgba(255,255,255,0.25);
  border-top-color: var(--los);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: none;
}
#status.loading .spinner { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Hover preview thumbnail ---------- */
#preview {
  position: absolute;
  right: 12px;
  bottom: 28px;
  z-index: 6;
  width: 300px;
  max-width: 42vw;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.15s ease, transform 0.15s ease;
  pointer-events: none;
}
#preview.show { opacity: 1; transform: translateY(0); }
#preview img { display: block; width: 100%; height: auto; background: #000; opacity: 0; transition: opacity 0.12s ease; }
#preview img.loaded { opacity: 1; }
#preview .cap { padding: 8px 10px; font-size: 11.5px; line-height: 1.4; color: var(--muted); }
#preview .cap strong { color: var(--text); font-weight: 600; }

/* ---------- Full-size modal ---------- */
#modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.55);
}
#modal.show { display: flex; }
/* Hold H to peek at the map behind the photo (JS also un-blurs the map). */
#modal.peek { visibility: hidden; }
#modal .frame {
  position: relative;
  max-width: 92vw;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}
#modal img {
  max-width: 92vw;
  max-height: 80vh;
  border-radius: 10px;
  box-shadow: var(--shadow);
  background: #000;
}
#modal .meta {
  margin-top: 12px;
  text-align: center;
  max-width: 80vw;
}
#modal .meta .title { font-size: 14px; font-weight: 600; }
#modal .meta .by { font-size: 12.5px; color: var(--muted); margin-top: 3px; }
#modal .meta .by a { color: var(--muted); }
#modal .meta .links { margin-top: 10px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
#modal .meta .links a {
  font-size: 12.5px;
  color: var(--los);
  text-decoration: none;
  padding: 5px 12px;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  background: var(--panel);
}
#modal .meta .links a:hover { border-color: var(--los); }
#modal .close {
  position: absolute;
  top: -14px; right: -14px;
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1px solid var(--panel-border);
  background: var(--panel);
  color: var(--text);
  font-size: 18px;
  cursor: pointer;
  box-shadow: var(--shadow);
}

/* ---------- Edit mode (toolbar · edit list · overlay colors) ---------- */
#editbar {
  position: absolute;
  top: 54px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 7;
  display: none;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-size: 12.5px;
  white-space: nowrap;
}
#editbar.show { display: flex; }
#editbar .ico {
  width: 30px; height: 28px;
  border-radius: 8px;
  border: 1px solid var(--panel-border);
  background: rgba(0,0,0,.25);
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
  line-height: 1;
}
#editbar .ico:hover:not(:disabled) { border-color: var(--los); }
#editbar .ico:disabled { opacity: .35; cursor: default; }
#editbar .ico.active { background: var(--edit); color: #fff; border-color: var(--edit); }
#editbar .count { text-align: center; min-width: 74px; line-height: 1.25; }
#editbar .count .remind { display: block; font-size: 9.5px; color: #ffb454; }
#editbar label.show-edits { display: inline-flex; align-items: center; gap: 4px; color: var(--muted); font-size: 11px; cursor: pointer; }
#editbar label.show-edits input { accent-color: var(--edit); }
#editbar #save-btn {
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  padding: 6px 14px;
  background: rgba(0,0,0,.25);
  color: var(--muted);
  cursor: pointer;
  font-size: 12.5px;
}
#save-btn:disabled { cursor: default; }
#save-btn.some  { background: var(--los); border-color: var(--los); color: #08222a; font-weight: 600; }
#save-btn.warn  { background: #ffb454; border-color: #ffb454; color: #33210a; font-weight: 700; }
#save-btn.alert { background: #ff5470; border-color: #ff5470; color: #fff; font-weight: 700; animation: savepulse 1.1s ease-out infinite; }
@keyframes savepulse {
  0%   { box-shadow: 0 0 0 0 rgba(255, 84, 112, .55); }
  100% { box-shadow: 0 0 0 12px rgba(255, 84, 112, 0); }
}
#editbar .note { font-size: 10.5px; color: #ffb454; max-width: 210px; white-space: normal; line-height: 1.25; }

/* Failed save: the whole bar glows red and a retry button (with countdown)
   appears. */
#editbar #retry-btn {
  display: none;
  border: 1px solid #ff5470;
  border-radius: 999px;
  padding: 6px 12px;
  background: #ff5470;
  color: #fff;
  font-weight: 700;
  font-size: 12px;
  cursor: pointer;
  animation: savepulse 1.1s ease-out infinite;
}
#editbar.failed #retry-btn { display: inline-block; }
#editbar.failed {
  border-color: #ff5470;
  box-shadow: 0 0 0 1px #ff5470, 0 0 18px rgba(255, 84, 112, .55), var(--shadow);
}
#editbar.failed .note { color: #ff8296; }

#editlist {
  position: absolute;
  right: 12px;
  top: 104px;
  z-index: 7;
  width: 300px;
  max-width: 80vw;
  max-height: 52vh;
  display: none;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  overflow: hidden;
}
#editlist.show { display: flex; }
#editlist .ehead {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 12px; font-weight: 600; font-size: 12px;
  border-bottom: 1px solid var(--panel-border);
}
#editlist .ehead button { background: none; border: 0; color: var(--muted); font-size: 15px; cursor: pointer; }
#editlist .eitems { overflow-y: auto; padding: 4px; }
#editlist .eitem { display: flex; align-items: center; gap: 7px; padding: 6px 8px; border-radius: 8px; font-size: 11.5px; }
#editlist .eitem:hover { background: rgba(255, 77, 148, .14); }
#editlist .eitem .ek { flex: 0 0 auto; font-size: 12px; }
#editlist .eitem .et { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text); }
#editlist .eitem .ed { flex: 0 0 auto; color: var(--muted); font-size: 10.5px; }
#editlist .eitem .eundo {
  flex: 0 0 auto; width: 24px; height: 22px;
  border-radius: 6px; border: 1px solid var(--panel-border);
  background: rgba(0,0,0,.25); color: var(--text);
  cursor: pointer; font-size: 11px;
}
#editlist .eitem .eundo:hover { border-color: #ff5470; color: #ff5470; }
#editlist .empty { padding: 12px; font-size: 11.5px; color: var(--muted); }

/* Off-screen edit pointer: a clickable pill pinned to the viewport edge,
   rotated toward the highlighted edit, labelled with the distance. */
#edge-arrow {
  position: absolute;
  z-index: 80;
  display: none;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  background: var(--panel);
  border: 1px solid var(--edit);
  border-radius: 999px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-size: 11.5px;
  color: var(--text);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}
#edge-arrow .ea-glyph { display: inline-block; color: var(--edit); font-size: 13px; }

/* ---------- Selection tray (polygon-selected photos) ---------- */
#tray {
  position: absolute;
  right: 12px;
  top: 152px;   /* clears the geocoder + zoom/compass controls */
  bottom: 28px;
  z-index: 7;
  width: 300px;
  max-width: 80vw;
  display: none;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  overflow: hidden;
}
#tray.show { display: flex; }
#tray .thead {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 12px; font-weight: 600; font-size: 12px;
  border-bottom: 1px solid var(--panel-border);
}
#tray .thead button { background: none; border: 0; color: var(--muted); font-size: 15px; cursor: pointer; }
#tray .thead .thbtns { display: flex; align-items: center; gap: 2px; }
#tray .thead button.active { color: var(--los); }
/* Category search: add photos to the list straight from a Commons category. */
#tray-cats { border-bottom: 1px solid var(--panel-border); padding: 8px 10px; }
#tray-cats input {
  width: 100%; background: rgba(0,0,0,.25); color: var(--text);
  border: 1px solid var(--panel-border); border-radius: 6px;
  padding: 6px 8px; font-size: 11.5px; outline: none;
}
#tray-cats input:focus { border-color: var(--los); }
#cat-results { display: none; max-height: 34vh; overflow-y: auto; margin-top: 6px; }
#cat-results.show { display: block; }
#cat-results .cathead { font-size: 10px; text-transform: uppercase; letter-spacing: .6px; color: var(--muted); padding: 6px 2px 4px; }
#cat-results .cathead.cview { display: flex; align-items: center; gap: 6px; text-transform: none; letter-spacing: 0; font-size: 12px; color: var(--text); font-weight: 600; }
#cat-results .crow { display: flex; align-items: center; gap: 6px; padding: 5px 6px; border-radius: 6px; font-size: 11.5px; cursor: pointer; }
#cat-results .crow:hover { background: rgba(255,255,255,.08); }
#cat-results .cname { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text); }
#cat-results .ccnt { flex: 0 0 auto; color: var(--muted); font-size: 10px; }
#cat-results .cstar { flex: 0 0 auto; color: var(--los); font-size: 10px; }
#cat-results .cadd, #cat-results .cback {
  flex: 0 0 auto; width: 22px; height: 20px; border-radius: 6px;
  border: 1px solid var(--panel-border); background: rgba(0,0,0,.25);
  color: var(--text); cursor: pointer; font-size: 11px; line-height: 1;
}
#cat-results .cadd:hover, #cat-results .cback:hover { border-color: var(--los); color: var(--los); }
#cat-results .caddall { padding: 4px 2px 6px; }
#cat-results .caddall button {
  width: 100%; background: rgba(0,0,0,.25); color: var(--text);
  border: 1px solid var(--panel-border); border-radius: 6px;
  padding: 6px 0; font-size: 11.5px; cursor: pointer;
}
#cat-results .caddall button:hover { border-color: var(--los); }
#cat-results .cempty { padding: 8px 4px; font-size: 11px; color: var(--muted); }
#tray .tactions { padding: 8px 10px; border-bottom: 1px solid var(--panel-border); }
#tray .tactions button {
  width: 100%; background: rgba(0,0,0,.25); color: var(--text);
  border: 1px solid var(--panel-border); border-radius: 6px;
  padding: 6px 0; font-size: 11.5px; cursor: pointer;
}
#tray .tactions button:hover { border-color: var(--los); }
#tray .titems { flex: 1; overflow-y: auto; padding: 4px; }
#tray .titem { position: relative; display: flex; gap: 8px; padding: 6px; border-radius: 8px; cursor: pointer; }
#tray .titem:hover { background: rgba(255,255,255,.06); }
#tray .titem.selected { background: rgba(52, 214, 242, 0.14); outline: 1px solid var(--los); }
#tray .titem .thide {
  position: absolute; top: 4px; right: 4px; z-index: 1;
  width: 20px; height: 20px; border-radius: 6px;
  border: 1px solid var(--panel-border); background: rgba(0,0,0,.55);
  color: var(--muted); font-size: 10px; cursor: pointer;
  display: none; line-height: 1;
}
#tray .titem:hover .thide { display: block; }
#tray .titem .thide:hover { border-color: #ff5470; color: #ff5470; }
#tray .trestoreall { padding: 4px 2px 6px; }
#tray .trestoreall button {
  width: 100%; background: rgba(0,0,0,.25); color: var(--text);
  border: 1px solid var(--panel-border); border-radius: 6px;
  padding: 6px 0; font-size: 11.5px; cursor: pointer;
}
#tray .trestoreall button:hover { border-color: var(--los); }
#tray .titem img {
  flex: 0 0 74px; width: 74px; height: 56px;
  object-fit: cover; border-radius: 6px; background: #000; cursor: zoom-in;
}
#tray .titem .tmeta { flex: 1; min-width: 0; }
#tray .titem .tt {
  font-size: 11.5px; color: var(--text); line-height: 1.3;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
#tray .titem .tb { font-size: 10px; color: var(--muted); margin-top: 2px; }
#tray .tbtns { display: flex; gap: 4px; margin-top: 4px; }
#tray .tbtns button {
  flex: 1; background: rgba(0,0,0,.25); color: var(--text);
  border: 1px solid var(--panel-border); border-radius: 6px;
  padding: 3px 0; font-size: 10.5px; cursor: pointer; white-space: nowrap;
}
#tray .tbtns button:hover { border-color: var(--los); }
#tray .empty { padding: 12px; font-size: 11.5px; color: var(--muted); }
/* The tray occupies the right edge — slide the hover preview and the edit
   list out of the way while it is open. */
body.tray-open #preview, body.tray-open #editlist { right: 324px; }

.mapboxgl-ctrl-geocoder { min-width: 240px; }

@media (max-width: 620px) {
  #intro { max-width: 60vw; }
  #preview { width: 180px; }
}