:root {
  --concrete: #e7eaec;
  --panel: #f6f7f8;
  --ink: #1d2730;
  --steel: #5d6b77;
  --frame: #2a333b;
  --line: #c9d0d5;
  --signal: #2563d9;
  --live: #23845a;
  --fault: #b7791f;
  --dead: #9aa5ae;
  --font: "Archivo", system-ui, sans-serif;
  --narrow: "Archivo Narrow", "Archivo", system-ui, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --concrete: #161b20;
    --panel: #1e252b;
    --ink: #e4e9ed;
    --steel: #93a1ad;
    --frame: #0c1014;
    --line: #2f3941;
    --signal: #6b9bff;
    --live: #4cc38a;
    --fault: #e0a43c;
    --dead: #56626c;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --concrete: #161b20;
  --panel: #1e252b;
  --ink: #e4e9ed;
  --steel: #93a1ad;
  --frame: #0c1014;
  --line: #2f3941;
  --signal: #6b9bff;
  --live: #4cc38a;
  --fault: #e0a43c;
  --dead: #56626c;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  background: var(--concrete);
  color: var(--ink);
  font: 15px/1.45 var(--font);
}
button, input { font: inherit; color: inherit; }
button {
  cursor: pointer;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 6px;
  padding: 6px 12px;
}
button:focus-visible, input:focus-visible, canvas:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}
button.quiet { border-color: transparent; background: none; color: var(--steel); }
button.quiet:hover { color: var(--ink); }

.bar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
}
.bar h1 {
  margin: 0;
  font: 600 18px/1 var(--narrow);
  letter-spacing: 0.01em;
}
.views { display: flex; gap: 4px; margin-left: 8px; }
.views button[aria-pressed="true"] { border-color: var(--ink); }
#sign-out { margin-left: auto; }

main { padding: 20px 16px 40px; }
.message { color: var(--steel); margin: 0 0 16px; min-height: 1.45em; }

.sign-in {
  display: grid;
  gap: 8px;
  max-width: 320px;
  margin: 10vh auto 0;
}
.sign-in input {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
}
.hint { color: var(--steel); font-size: 13px; margin: 0; }

/* The wall: a section per group, in which phones stand side by side at their own proportions. */
.wall { display: grid; gap: 28px; }
.group { border-radius: 10px; }
.group-head { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 12px; margin-bottom: 12px; }
.group-name, .group-title { margin: 0; font: 600 17px/1.25 var(--narrow); }
.group-name { field-sizing: content; min-width: 6em; max-width: 100%; margin-left: -5px; padding: 2px 4px; }
.group .remove { color: var(--fault); }
.group.drop-target { outline: 2px dashed var(--signal); outline-offset: 8px; }
.wall:not(.dragging) .group.unused, .wall:not(.dragging) .new-group-drop { display: none; }
.new-group-drop {
  display: grid;
  place-items: center;
  min-height: 96px;
  border: 2px dashed var(--line);
  color: var(--steel);
}
.group-row th { padding-top: 14px; text-align: left; font: 600 15px/1.25 var(--narrow); }
.group-select {
  padding: 3px 6px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--concrete);
  color: var(--ink);
  font: inherit;
}
.phones {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 28px 20px;
  align-items: end;
}
.tile { margin: 0; min-width: 0; }
.tile .name {
  display: block;
  width: calc(100% + 5px);
  margin: 8px 0 0 -5px;
  padding: 2px 4px;
  font: 600 15px/1.25 var(--narrow);
  text-overflow: ellipsis;
}
.state { margin: 2px 0 0; color: var(--steel); font-size: 13px; }

.handset {
  position: relative;
  display: block;
  width: 100%;
  padding: 10px 6px 14px;
  border: 0;
  border-radius: 18px;
  background: var(--frame);
  box-shadow: inset 0 0 0 1px rgb(255 255 255 / 0.06);
}
.handset .led {
  position: absolute;
  top: 4px;
  left: 50%;
  width: 28px;
  height: 3px;
  margin-left: -14px;
  border-radius: 2px;
  background: var(--dead);
}
.tile[data-state="live"] .led, .focus[data-state="live"] .handset.large .led { background: var(--live); }
.tile[data-state="fault"] .led, .focus[data-state="fault"] .handset.large .led { background: var(--fault); }
.handset canvas {
  display: block;
  width: 100%;
  /* Until the first frame says otherwise; the viewer sets the stream's real ratio. */
  aspect-ratio: 9 / 19.5;
  border-radius: 10px;
  background: #000;
}
.tile button.handset:hover { box-shadow: inset 0 0 0 1px rgb(255 255 255 / 0.06), 0 0 0 2px var(--signal); }
.offline {
  position: absolute;
  inset: 10px 6px 14px;
  display: grid;
  place-items: center;
  padding: 12px;
  color: #c3ccd3;
  font-size: 13px;
  text-align: center;
}
.offline:empty { display: none; }

/* Focus: one phone, large, with its buttons where a phone has them. */
.focus {
  width: 100vw;
  height: 100vh;
  max-width: none;
  max-height: none;
  margin: 0;
  padding: 16px;
  border: 0;
  background: var(--concrete);
  color: var(--ink);
}
.focus::backdrop { background: var(--concrete); }
.focus-top { display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap; }
.focus-top h2 { margin: 0; font: 600 20px/1.2 var(--narrow); }
.focus-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  margin-top: 12px;
}
.handset.large {
  width: auto;
  padding: 14px 10px 20px;
  border-radius: 28px;
}
.handset.large canvas {
  width: auto;
  height: calc(100vh - 190px);
  max-width: calc(100vw - 120px);
  border-radius: 14px;
  cursor: crosshair;
  touch-action: none;
}
.side-keys {
  position: absolute;
  top: 18%;
  right: -58px;
  display: grid;
  gap: 8px;
}
.side-keys button {
  width: 52px;
  padding: 8px 0;
  border-radius: 0 6px 6px 0;
  border-left: 4px solid var(--frame);
  font-size: 12px;
}
.nav-keys { display: flex; gap: 8px; }
.nav-keys button { min-width: 88px; }
.stage { display: flex; flex-direction: column; align-items: center; gap: 14px; }

/* Mirroring: the phones that copy the focused one's input, small and live beside it. */
#mirror-toggle { margin-left: auto; }
#mirror-toggle[aria-pressed="true"] { border-color: var(--signal); color: var(--signal); }
.focus[data-mirror] .focus-body {
  flex-direction: row;
  align-items: flex-start;
  justify-content: center;
  /* Room for the side buttons, which stick out past the handset. */
  gap: 14px 80px;
}
.focus[data-mirror] .handset.large canvas { max-width: calc(100vw - 480px); }
.mirrors {
  width: 260px;
  max-height: calc(100vh - 110px);
  overflow-y: auto;
}
.mirrors .hint { margin: 0 0 10px; }
.mirror-phones {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px 10px;
  align-items: end;
}
.mirror-phone { display: block; min-width: 0; cursor: pointer; }
.mirror-phone .handset { padding: 6px 4px 8px; border-radius: 12px; }
.mirror-phone .handset canvas { border-radius: 6px; }
.mirror-phone:has(input:not(:checked)) .handset { opacity: 0.4; }
.mirror-phone[data-state="live"] .led { background: var(--live); }
.mirror-phone[data-state="fault"] .led { background: var(--fault); }
.mirror-name {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 6px;
  font: 500 13px/1.2 var(--narrow);
}
.mirror-name .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.grid-keys {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 16px;
}
.grid-keys button { padding: 4px 12px; }
.grid-keys button[aria-disabled="true"] { opacity: 0.6; cursor: progress; }

.details { border-collapse: collapse; width: 100%; }
#list { overflow-x: auto; }
.details th, .details td {
  text-align: left;
  padding: 8px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.details th { color: var(--steel); font-weight: 500; }
/* The row under the pointer, or holding focus, is the one its buttons act on. */
.details tbody tr:hover, .details tbody tr:focus-within { background: var(--panel); }
.details tbody tr:hover .name-input:hover, .details tbody tr:focus-within .name-input:focus { background: var(--concrete); }
.details tbody tr:hover button, .details tbody tr:focus-within button { background: var(--concrete); }
.sub { color: var(--steel); font-size: 12px; }
.name-input {
  width: 14em;
  padding: 3px 6px;
  border: 1px solid transparent;
  border-radius: 4px;
  background: none;
  font-weight: 500;
}
.name-input:hover, .name-input:focus { border-color: var(--line); background: var(--panel); }
.name-input::placeholder { color: var(--ink); opacity: 1; }
.name-input:focus::placeholder { color: var(--steel); }
.details .actions button { padding: 3px 10px; }
.details .actions button + button { margin-left: 6px; }
.details .remove { color: var(--fault); }
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.ok { color: var(--live); }
.bad { color: var(--fault); }

@media (max-width: 600px) {
  .phones { grid-template-columns: repeat(2, 1fr); }
  .side-keys { position: static; display: flex; justify-content: center; margin-top: 10px; }
  .side-keys button { border-left-width: 1px; border-radius: 6px; }
  .handset.large canvas { height: calc(100vh - 260px); max-width: calc(100vw - 52px); }
  .focus[data-mirror] .focus-body { flex-direction: column; align-items: center; }
  .focus[data-mirror] .handset.large canvas { height: calc(100vh - 420px); max-width: calc(100vw - 52px); }
  .mirrors { width: 100%; max-height: none; }
  .mirror-phones { grid-template-columns: repeat(4, 1fr); }
}

/* Setup: the page a phone opens from a setup link. */
.setup { max-width: 560px; margin: 0 auto; }
.setup h2 { margin: 0 0 12px; font: 600 22px/1.2 var(--narrow); }
.steps { margin: 0; padding-left: 1.4em; display: grid; gap: 22px; }
.steps h3 { margin: 0 0 8px; font: 600 17px/1.2 var(--narrow); }
.steps p { margin: 0 0 8px; }
.action {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 6px;
  background: var(--signal);
  color: var(--concrete);
  font-weight: 500;
  text-decoration: none;
}
.action[aria-disabled="true"] { background: var(--dead); pointer-events: none; }

/* Add phones: make a setup link and show it as a QR code. */
#new-group { margin-left: auto; }
#add-phone { margin-left: auto; }
#new-group:not([hidden]) + #add-phone { margin-left: 0; }
#add-phone + #sign-out { margin-left: 0; }
.enroll {
  width: min(420px, calc(100vw - 32px));
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  color: var(--ink);
}
.enroll::backdrop { background: rgb(0 0 0 / 0.4); }
.enroll h2 { margin: 0 0 12px; font: 600 20px/1.2 var(--narrow); }
.enroll input {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--concrete);
}
.enroll .row { display: flex; justify-content: flex-end; gap: 8px; margin-top: 12px; }
.enroll #enroll-link { width: 100%; margin-top: 12px; font-size: 13px; }
/* QR codes need dark modules on light, whatever the theme. */
.qr { width: min(260px, 100%); margin: 12px auto 0; background: #fff; }
.qr svg { display: block; width: 100%; height: auto; }

/* Recording: the focused phone's input kept as steps. */
#record-toggle { margin-left: auto; }
#record-toggle + #mirror-toggle { margin-left: 0; }
#record-toggle[aria-pressed="true"] { border-color: var(--fault); color: var(--fault); }
.focus[data-recording] .handset.large { box-shadow: inset 0 0 0 1px rgb(255 255 255 / 0.06), 0 0 0 3px var(--fault); }
.enroll form > label { display: block; margin-bottom: 4px; }
.enroll form > input { width: 100%; }

/* Recordings: the list, and the one open for editing and playing. */
.recordings { overflow-x: auto; }
.recordings > .hint { margin-bottom: 12px; }
button.link {
  padding: 0;
  border: 0;
  background: none;
  color: var(--signal);
  font-weight: 500;
  text-align: left;
}
button.link:hover { text-decoration: underline; }
#recording-list tbody tr { cursor: pointer; }
/* The whole row is the target, so the name shows no button under the pointer. */
#recording-list tbody tr:hover button.link, #recording-list tbody tr:focus-within button.link { background: none; }
#recording-list tbody tr[data-open] { background: var(--panel); box-shadow: inset 3px 0 0 var(--signal); }
.recording-detail {
  margin-top: 20px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
}
.recording-detail h3 { margin: 22px 0 8px; font: 600 16px/1.2 var(--narrow); }
.recording-detail .row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.recording-detail button:disabled { opacity: 0.5; cursor: default; }
.recording-detail .details tbody tr:hover, .recording-detail .details tbody tr:focus-within { background: var(--concrete); }
.recording-head { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.recording-head #recording-close { margin-left: auto; }
.recording-name { width: min(24em, 100%); font: 600 18px/1.25 var(--narrow); }
.recording-detail .scroll { overflow-x: auto; }
.target-groups { display: grid; gap: 10px; }
.targets { display: flex; flex-wrap: wrap; gap: 6px 16px; }
.target-all { font-weight: 600; margin-bottom: 4px; }
.target-all + .targets { padding-left: 20px; }
.target { display: inline-flex; align-items: center; gap: 4px; cursor: pointer; }
.steps-table .fields { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px; white-space: normal; }
.field { display: inline-flex; align-items: center; gap: 4px; color: var(--steel); font-size: 13px; }
.recording-detail input, .recording-detail select {
  padding: 3px 6px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--concrete);
  color: var(--ink);
  font: inherit;
}
.field input { width: 6.5em; }
.text-field { width: min(22em, 60vw); }
.steps-table .actions button { min-width: 2.2em; }
.details .actions button + button { margin-left: 4px; }
.shot { margin: 12px 0 0; }
.shot img { display: block; max-width: min(360px, 100%); max-height: 70vh; border-radius: 8px; background: #000; }
.shot figcaption { margin-top: 6px; }