crossdesk/apps/mcp/ui/viewer.css

/* Shared with desktop WorkbenchStyle, ButtonStyle, and UiRadius. */
:root {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 13px;
  color-scheme: light;
  color: var(--text);
  background: var(--canvas);
  --canvas: #edf2f8;
  --surface: #fff;
  --field: #dee7f2;
  --accent: #3564e3;
  --text: #1c2940;
  --muted: #69788e;
  --line: #e1e7ef;
  --edge: #d7dfe9;
  --button-edge: #b8c7db;
  --hover: #f0f5ff;
  --pressed: #dfe9fa;
  --success: #18835a;
  --radius-control: 6px;
  --radius-surface: 12px;
}
* { box-sizing: border-box; }
html, body { width: 100%; height: 100%; margin: 0; }
body { overflow: hidden; }
[hidden] { display: none !important; }
button, input, select { font: inherit; }
button, summary, input, select { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.icon { width: 16px; height: 16px; flex: none; pointer-events: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
#app { width: 100%; height: 100vh; height: 100dvh; display: flex; flex-direction: column; }
.app-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 44px; padding: 6px 16px; border-bottom: 1px solid var(--line); background: var(--surface); flex: none; }
.brand, .header-right { display: flex; align-items: center; gap: 8px; min-width: 0; }
.brand-logo { display: block; width: 24px; height: 24px; }
h1 { margin: 0; font-size: 15px; font-weight: 650; line-height: 1.5; white-space: nowrap; }
h2 { margin: 0; font-size: 13px; font-weight: 600; }
.brand-context { margin-left: 4px; padding-left: 12px; border-left: 1px solid var(--line); color: var(--muted); font-size: 12px; white-space: nowrap; }
.connection { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: 11px; white-space: nowrap; }
.connection::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.connection[data-state="online"] { color: var(--success); }
.connection[data-state="connecting"] { color: #a46b1b; }
.connection[data-state="offline"] { color: #b42318; }
#details-toggle, #details-close { display: none; }
main { position: relative; display: flex; flex: 1; min-height: 0; overflow: hidden; }
aside { width: min(400px, calc(100% - 32px)); max-height: calc(100% - 48px); min-width: 0; overflow: auto; overscroll-behavior: contain; align-self: center; margin: 24px auto; padding: 24px; border: 1px solid var(--edge); border-radius: var(--radius-surface); background: var(--surface); }
.sidebar-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
#sidebar-title { font-size: 15px; }
.authorization-note { margin: 0 0 20px; color: var(--muted); font-size: 12px; line-height: 1.7; }
#app:not([data-session="true"]) .workspace { display: none; }
#app[data-session="true"] #details-toggle, #app[data-session="true"] #details-close { display: inline-flex; }
#app[data-session="true"] aside { display: none; position: absolute; z-index: 31; inset: 12px 12px 12px auto; width: 296px; max-width: calc(100% - 24px); max-height: none; margin: 0; padding: 18px; align-self: auto; box-shadow: 0 12px 40px #1c294024; }
#app[data-session="true"].details-open aside { display: block; }
#details-close { font-size: 20px; }
.details-backdrop, .details-backdrop:not(:disabled):hover, .details-backdrop:not(:disabled):active { position: absolute; inset: 0; z-index: 30; width: 100%; height: 100%; padding: 0; border: 0; border-radius: 0; background: #1c294026; cursor: default; }
fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
label { display: block; margin: 16px 0 6px; color: #52657f; font-size: 12px; font-weight: 500; }
fieldset > label:first-child { margin-top: 0; }
.optional { color: var(--muted); margin-left: 4px; font-size: 11px; font-weight: 400; }
input:not([type="checkbox"]):not([type="range"]), select { display: block; width: 100%; height: 36px; min-width: 0; border: 1px solid transparent; border-radius: var(--radius-control); padding: 7px 10px; background: var(--field); color: inherit; transition: border-color 120ms, background 120ms; }
input:not([type="checkbox"]):not([type="range"]):focus, select:focus { border-color: var(--accent); outline: 1px solid var(--accent); background: #e5ecf5; }
input:disabled, select:disabled { background: #f0f2f5; color: #98a2b3; }
input::placeholder { color: #566a84; }
#device-id, #session-device-id { font-variant-numeric: tabular-nums; }
#device-id { font-size: 15px; letter-spacing: .6px; }
.password-field { position: relative; }
.password-field input { padding-right: 48px; }
.password-field button { position: absolute; right: 3px; top: 3px; height: 30px; min-height: 30px; padding: 0 7px; border: 0; background: transparent; color: #52657f; }
.field-hint, .privacy, .session-note { color: var(--muted); font-size: 11px; line-height: 1.65; margin: 7px 0 0; }
.preferences { border-top: 1px solid var(--line); margin-top: 18px; padding-top: 6px; }
details { font-size: 12px; }
summary { padding: 9px 0; cursor: pointer; color: #52657f; }
summary:hover { color: var(--accent); }
summary::marker { font-size: 10px; }
.checks { padding-bottom: 10px; }
.checks label, .check { display: flex; align-items: flex-start; gap: 8px; margin-top: 12px; font-size: 12px; font-weight: 400; line-height: 1.5; cursor: pointer; }
.checks label:has(input:disabled), .check:has(input:disabled) { color: #98a2b3; cursor: default; }
.checks small { display: block; margin-top: 2px; color: var(--muted); font-size: 11px; }
input[type="checkbox"] { width: 14px; height: 14px; flex: none; margin: 2px 0 0; accent-color: var(--accent); }
.row { display: flex; gap: 10px; }
.row > div { flex: 1; min-width: 0; }
button { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 32px; padding: 6px 10px; border: 1px solid var(--button-edge); border-radius: var(--radius-control); background: var(--surface); color: var(--text); font-size: 12px; font-weight: 500; line-height: 18px; cursor: pointer; white-space: nowrap; transition: background 120ms, border-color 120ms, color 120ms; }
button:not(:disabled):hover { background: var(--hover); border-color: #7e9fd1; }
button:not(:disabled):active { background: var(--pressed); border-color: #6488bf; }
button:disabled { cursor: default; color: #98a2b3; background: #f5f7fb; border-color: #dce2eb; }
button:disabled .icon { opacity: .65; }
button.quiet { border-color: transparent; background: transparent; color: #52657f; }
button.quiet:not(:disabled):hover { background: var(--hover); border-color: transparent; color: var(--accent); }
button.quiet:disabled { color: #98a2b3; }
button.soft:not(:disabled) { background: #dce7ff; color: var(--accent); border-color: transparent; }
button.soft:not(:disabled):hover, button.soft[aria-pressed="true"]:not(:disabled) { background: var(--accent); color: #fff; }
.icon-button { width: 32px; height: 32px; padding: 0; flex: none; }
.primary { width: 100%; min-height: 36px; background: var(--accent); color: #fff; border-color: var(--accent); margin-top: 18px; font-weight: 600; }
.primary:not(:disabled):hover { background: #4574f0; border-color: #4574f0; }
.primary:not(:disabled):active { background: #254cc0; border-color: #254cc0; }
.privacy { margin-top: 10px; text-align: center; }
#error { flex: none; max-height: 25%; overflow: auto; padding: 10px 16px; background: #fff4f2; border-bottom: 1px solid #f5d6d1; color: #b42318; font-size: 12px; line-height: 1.6; overflow-wrap: anywhere; }
.device-card { display: flex; align-items: center; gap: 10px; }
.device-icon { display: grid; place-items: center; width: 38px; height: 38px; flex: none; background: #edf2ff; border: 1px solid #dce7ff; border-radius: 8px; color: var(--accent); }
.device-icon .icon { width: 22px; height: 22px; }
.device-identity { min-width: 0; }
.device-card strong { display: block; font-size: 14px; font-weight: 600; overflow-wrap: anywhere; }
.device-identity > span { display: block; margin-top: 3px; color: var(--muted); font-size: 11px; }
.session-details { margin: 18px 0 0; font-size: 12px; }
.session-details > div { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.session-details dt { color: var(--muted); flex: none; }
.session-details dd { margin: 0; text-align: right; overflow-wrap: anywhere; }
#session-agent[data-paused="true"] { color: #a46b1b; }
#session-card > .check { margin: 16px 0 0; padding: 10px; border-radius: var(--radius-control); background: #f5f7fb; }
.session-note { margin-top: 10px; }
.workspace { display: flex; flex: 1; flex-direction: column; gap: 8px; min-width: 0; min-height: 0; overflow: auto; padding: 12px; background: var(--canvas); }
.session-unlock-details { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; }
#session-unlock-state[data-state="awaiting_password"] { color: #a46b1b; }
#session-unlock-state[data-state="failed"] { color: #b42318; }
.unlock-dialog { width: min(400px, calc(100% - 32px)); max-height: calc(100% - 32px); margin: auto; padding: 20px; color: inherit; background: var(--surface); border: 1px solid var(--edge); border-radius: var(--radius-surface); box-shadow: 0 16px 48px #1c294029; }
.unlock-dialog::backdrop { background: #1c29404d; }
.unlock-dialog-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.unlock-dialog-header h2 { font-size: 15px; }
.unlock-dialog-header button, .unlock-toast > button { width: 28px; height: 28px; min-height: 28px; padding: 0; flex: none; border: 0; color: var(--muted); font-size: 20px; line-height: 1; }
.unlock-dialog p { margin: 10px 0 0; color: var(--muted); font-size: 12px; line-height: 1.65; }
.unlock-buttons { display: flex; justify-content: flex-end; gap: 8px; margin-top: 8px; }
.unlock-buttons .primary { margin: 0; width: auto; min-width: 80px; }
.unlock-toast { position: fixed; top: 60px; right: 16px; z-index: 10; display: flex; align-items: flex-start; gap: 10px; width: min(360px, calc(100% - 32px)); padding: 12px 12px 12px 16px; border: 1px solid var(--edge); border-radius: 8px; background: var(--surface); box-shadow: 0 6px 24px #1c29401f; }
.unlock-toast > div { min-width: 0; flex: 1; }
.unlock-toast strong { display: block; padding-top: 4px; font-size: 13px; font-weight: 600; }
.unlock-toast p { margin: 6px 0 0; color: var(--muted); font-size: 12px; line-height: 1.65; }
.unlock-toast[data-state="failed"] { border-color: #f0b4ae; }
.viewer-card { display: flex; flex-direction: column; flex: 1; min-height: 160px; min-width: 0; background: var(--surface); border: 1px solid var(--edge); border-radius: var(--radius-surface); overflow: hidden; }
.viewer-toolbar { display: flex; align-items: center; gap: 12px; padding: 10px 14px; flex: none; border-bottom: 1px solid var(--line); }
.viewer-title { display: flex; flex-direction: column; align-items: flex-start; gap: 4px; min-width: 0; flex: 1; }
.viewer-title h2 { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#agent-state { display: inline-flex; align-items: baseline; gap: 6px; color: var(--muted); font-size: 11px; line-height: 16px; }
#agent-state::before { content: ""; width: 5px; height: 5px; flex: none; border-radius: 50%; background: currentColor; align-self: center; }
#agent-state[data-state="enabled"] { color: var(--accent); }
#agent-state:is([data-state="paused"], [data-state="human"], [data-state="unlock"], [data-state="recovering"]) { color: #a46b1b; }
#video-state { color: var(--muted); font-size: 11px; white-space: nowrap; flex: none; }
#video-state[data-state="live"] { color: var(--success); }
#video-state[data-state="stale"] { color: #a46b1b; }
.viewer-controls { display: flex; align-items: center; gap: 6px; flex: none; }
.viewer-controls button { min-height: 32px; flex-shrink: 0; }
#more-toggle[aria-expanded="true"] { background: var(--hover); color: var(--accent); }
.session-menu { position: fixed; z-index: 40; width: 264px; max-width: calc(100vw - 16px); max-height: calc(100dvh - 16px); overflow: auto; padding: 6px; background: var(--surface); border: 1px solid var(--edge); border-radius: 8px; box-shadow: 0 8px 32px #1c294026; }
.session-menu > button, .menu-audio > button { width: 100%; min-height: 36px; justify-content: flex-start; gap: 10px; }
.menu-caption, .menu-note { margin: 6px 10px; color: var(--muted); font-size: 11px; line-height: 1.6; }
.menu-audio { margin: 4px 0; padding: 4px 0 8px; border-block: 1px solid var(--line); }
.audio-volume { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 4px 10px 0 36px; font-size: 11px; font-weight: 400; }
input[type="range"] { display: block; width: 132px; max-width: 100%; height: 24px; padding: 0; margin: 0; accent-color: var(--accent); cursor: pointer; }
input[type="range"]:disabled { opacity: .45; cursor: default; }
#audio-play[aria-pressed="true"] { color: var(--accent); background: #edf2ff; }
.attention { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 8px 14px; background: #fff8e9; border-bottom: 1px solid #f1dfb9; color: #886023; font-size: 12px; }
.attention button { min-height: 28px; padding: 4px 8px; color: #886023; border-color: #dec997; }
.danger:not(:disabled) { color: #b42318; border-color: #edc5c0; }
.danger:not(:disabled):hover { border-color: #d92d20; background: #fff4f2; }
.session-menu .danger:not(:disabled) { border-color: transparent; }
/* Fit the full remote desktop without cropping or changing input coordinates. */
.screen { position: relative; flex: 1; min-height: 60px; width: 100%; display: flex; align-items: center; justify-content: center; overflow: hidden; isolation: isolate; background: #f5f7fb; }
#app[data-connected="true"] .screen { background: #141b26; }
.screen canvas { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
#agent-cursor { pointer-events: none; z-index: 4; }
/* Overlay the control indicator so toggling control never resizes the video. */
.control-halo { display: none; }
#app[data-controlling="true"] .screen::before,
#app[data-controlling="true"] .screen::after { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; }
#app[data-controlling="true"] .screen::before { z-index: 1; box-shadow: inset 0 0 10px #3976ff40, inset 0 0 3px #8ccaff70; }
#app[data-controlling="true"] .control-halo {
  --halo-spread: 14px;
  display: block;
  position: absolute;
  inset: 0;
  z-index: 2;
  overflow: hidden;
  border-radius: inherit;
  pointer-events: none;
  /* Fade the light inward at the edges, leaving the desktop itself clear. */
  mask-image:
    linear-gradient(to bottom, #000, #0007 4px, transparent var(--halo-spread), transparent calc(100% - var(--halo-spread)), #0007 calc(100% - 4px), #000),
    linear-gradient(to right, #000, #0007 4px, transparent var(--halo-spread), transparent calc(100% - var(--halo-spread)), #0007 calc(100% - 4px), #000);
}
.control-halo::before {
  content: "";
  position: absolute;
  inset: -22%;
  background:
    radial-gradient(ellipse 32% 38% at 24% 26%, #d5f3ff 0%, #76c4ff 20%, #427bff80 50%, transparent 100%),
    radial-gradient(ellipse 38% 40% at 78% 75%, #c4d7ff 0%, #637cff 24%, #436bff70 60%, transparent 100%),
    linear-gradient(125deg, #3c8aff70, #687dff50 55%, #4ab5ff80);
  filter: blur(8px);
  opacity: .9;
  /* Move a cached light layer rather than repainting an animated gradient. */
  animation: control-halo-drift 9s ease-in-out infinite alternate;
  will-change: transform, opacity;
}
#app[data-controlling="true"] .screen::after {
  z-index: 3;
  padding: 1px;
  background: linear-gradient(125deg, #dbf6ffb0, #5e98ff70 30%, #c2e9ffc0 53%, #7e9dff80 75%, #b0e6ffb0);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
}
@keyframes control-halo-drift {
  0% { transform: translate3d(-7%, -5%, 0) scale(1); opacity: .7; }
  50% { opacity: 1; }
  100% { transform: translate3d(7%, 5%, 0) scale(1.05); opacity: .85; }
}
@media (prefers-reduced-motion: reduce) {
  .control-halo::before { animation: none; will-change: auto; }
}
#empty { text-align: center; padding: 24px; max-width: 100%; color: var(--text); }
.empty-icon { display: grid; place-items: center; width: 64px; height: 64px; margin: 0 auto 16px; color: #8fa7c5; background: #e8eef7; border-radius: 16px; }
.empty-icon .icon { width: 32px; height: 32px; stroke-width: 1.4; }
#empty h3 { font-size: 15px; font-weight: 600; margin: 0 0 8px; }
#empty p { color: var(--muted); font-size: 12px; line-height: 1.7; margin: 0; }
#app[data-connected="true"] #empty { color: #d7dfe9; }
#app[data-connected="true"] .empty-icon { background: #202d40; color: #8fa7c5; }
.stale { position: absolute; left: 12px; bottom: 12px; padding: 6px 10px; background: #1c2940e8; color: #e2c495; border-radius: var(--radius-control); font-size: 11px; }
.telemetry { display: flex; align-items: center; flex-wrap: wrap; gap: 6px 14px; min-height: 32px; padding: 7px 10px; flex: none; color: var(--muted); font-size: 11px; border-top: 1px solid var(--line); }
.stream-metrics { display: flex; gap: 12px; font-variant-numeric: tabular-nums; }
#session-info { margin-left: auto; }
.panel-status { flex: none; font-size: 11px; line-height: 1.6; color: var(--muted); margin: 0; padding: 0 2px; }
.video-options { display: flex; flex-wrap: wrap; gap: 8px; flex: none; }
.video-options:not(:has(button:not([hidden]))) { display: none; }
.focus-mode .app-header { display: none; }
.focus-mode aside, .focus-mode #details-toggle { display: none !important; }
.focus-mode .workspace { padding: 6px; }
#focus-view[aria-pressed="true"] { background: #edf2ff; color: var(--accent); }
@media (max-width: 600px) {
  .app-header { padding: 6px 12px; }
  .brand-context { display: none; }
  .workspace { padding: 8px; }
  .viewer-toolbar { padding: 10px; }
  #session-info { display: none; }
}
@media (max-width: 400px) {
  .app-header { gap: 8px; padding: 6px 10px; }
  .brand, .header-right { gap: 6px; }
  h1 { font-size: 14px; }
  #details-toggle { padding: 4px 6px; font-size: 11px; }
  #details-toggle .icon { display: none; }
  .connection { font-size: 10px; gap: 4px; }
  .workspace { padding: 6px; }
  .viewer-toolbar { gap: 8px; }
  .viewer-controls { gap: 4px; }
  .viewer-controls button { padding: 6px 8px; }
  .viewer-controls .icon-button { padding: 0; }
  #pause .icon, #return-agent .icon { display: none; }
  aside { padding: 20px; }
  .telemetry { padding: 7px 10px; gap: 6px 12px; }
}
@media (max-height: 460px) {
  aside { margin-block: 12px; max-height: calc(100% - 24px); padding: 16px; }
  .workspace { padding: 6px; gap: 6px; }
  .viewer-toolbar { padding-top: 6px; padding-bottom: 6px; }
  .telemetry { min-height: 28px; padding-top: 5px; padding-bottom: 5px; }
}
#remote-input { position: absolute; width: 1px; height: 1px; opacity: 0; padding: 0; border: 0; pointer-events: none; }
.screen[data-human="true"] { touch-action: none; cursor: crosshair; }
.screen[data-human="true"]:focus-within { outline: 2px solid var(--accent); outline-offset: -2px; }