:root {
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Inter", system-ui, sans-serif;
  --mono: "SF Mono", ui-monospace, Menlo, monospace;
  --radius: 22px;
  --gap: 24px;
}

/* Blue: deep navy, cyan/blue glow, a touch of violet */
:root[data-theme="blue"] {
  --bg: #030615;
  --accent: #5cc8ff;
  --accent-2: #8f7bff;
  --accent-rgb: 92, 200, 255;
  --text: #e8eeff;
  --text-2: rgba(214, 226, 255, 0.62);
  --text-3: rgba(214, 226, 255, 0.38);
  --glass: rgba(120, 150, 255, 0.045);
  --glass-hover: rgba(120, 150, 255, 0.08);
  --line: rgba(150, 180, 255, 0.11);
  --glow: rgba(70, 130, 255, 0.10);
}

/* Ember: pure black with orange glow */
:root[data-theme="ember"] {
  --bg: #000000;
  --accent: #ff8a3d;
  --accent-2: #ffc078;
  --accent-rgb: 255, 138, 61;
  --text: #f6eee8;
  --text-2: rgba(246, 230, 218, 0.6);
  --text-3: rgba(246, 230, 218, 0.36);
  --glass: rgba(255, 170, 120, 0.035);
  --glass-hover: rgba(255, 170, 120, 0.07);
  --line: rgba(255, 180, 130, 0.10);
  --glow: rgba(255, 110, 30, 0.08);
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
kbd {
  font-family: var(--mono); font-size: 11px; padding: 1px 6px; border-radius: 5px;
  border: 1px solid var(--line); background: var(--glass); color: var(--text-2);
}

#orb-canvas { position: fixed; inset: 0; width: 100vw; height: 100vh; z-index: 0; display: block; }
.vignette {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background: radial-gradient(ellipse at 50% 45%, transparent 35%, rgba(0,0,0,0.55) 100%);
}

/* top bar */
.topbar {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  padding: 26px 44px 6px;
}
.greeting h1 { margin: 0; font-size: 20px; font-weight: 500; letter-spacing: -0.01em; }
.greeting p { margin: 2px 0 0; color: var(--text-2); font-size: 13px; }
.clock {
  font-size: 15px; font-weight: 300; letter-spacing: 0.24em; color: var(--text-2);
  font-variant-numeric: tabular-nums;
}
.controls { display: flex; justify-content: flex-end; align-items: center; gap: 14px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px; border-radius: 999px; font-size: 12px; color: var(--text-2);
  background: var(--glass); border: 1px solid var(--line);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  transition: color .2s, background .2s;
}
.chip:hover { color: var(--text); background: var(--glass-hover); }
.chip.busy svg { animation: spin 1.2s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.theme-toggle { display: flex; gap: 8px; padding: 6px; border-radius: 999px; border: 1px solid var(--line); background: var(--glass); }
.theme-toggle button { width: 14px; height: 14px; border-radius: 50%; opacity: .45; transition: opacity .2s, box-shadow .2s; }
.theme-toggle [data-set-theme="blue"] { background: radial-gradient(circle at 35% 35%, #8fe3ff, #3a62ff 70%); }
.theme-toggle [data-set-theme="ember"] { background: radial-gradient(circle at 35% 35%, #ffd09a, #ff5a1a 70%); }
:root[data-theme="blue"] [data-set-theme="blue"], :root[data-theme="ember"] [data-set-theme="ember"] {
  opacity: 1; box-shadow: 0 0 10px rgba(var(--accent-rgb), .6);
}

/* layout */
.grid {
  position: relative; z-index: 2; flex: 1; min-height: 0;
  display: grid; grid-template-columns: minmax(300px, 1fr) minmax(380px, 1.25fr) minmax(300px, 1fr);
  gap: 40px; padding: 22px 44px 40px;
}
.col { display: flex; flex-direction: column; gap: var(--gap); min-height: 0; }
.col-center { align-items: center; justify-content: flex-end; }
#orb-anchor { width: 100%; flex: 1; min-height: 260px; }

/* panels */
.panel {
  display: flex; flex-direction: column; min-height: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.01)), var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(26px) saturate(140%); -webkit-backdrop-filter: blur(26px) saturate(140%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.05), 0 20px 60px -30px var(--glow), 0 0 0 0.5px rgba(0,0,0,.4);
  animation: rise .7s cubic-bezier(.2,.7,.2,1) both;
}
.col-right .panel { animation-delay: .08s; }
.panel.grow { flex: 1; }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } }
.panel > header {
  display: flex; align-items: baseline; justify-content: space-between;
  padding: 18px 22px 10px;
}
.panel h2 {
  margin: 0; font-size: 11px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-2);
}
.panel h2::before {
  content: ""; display: inline-block; width: 5px; height: 5px; border-radius: 50%; margin: 0 10px 2px 0;
  background: var(--accent); box-shadow: 0 0 8px var(--accent);
}
.meta { font-size: 12px; color: var(--text-3); font-variant-numeric: tabular-nums; }
.body { padding: 0 22px 20px; }
.scroll { overflow-y: auto; min-height: 0; scrollbar-width: thin; scrollbar-color: var(--line) transparent;
  mask-image: linear-gradient(180deg, #000 calc(100% - 28px), transparent); }
.empty { color: var(--text-3); margin: 4px 0; font-size: 13px; }
.error { color: var(--text-3); font-size: 12px; margin: 4px 0; }

/* calendar */
.events { list-style: none; margin: 0; padding: 0; }
.events li { display: grid; grid-template-columns: 54px 1fr; gap: 12px; padding: 8px 0; border-top: 1px solid var(--line); }
.events li:first-child { border-top: 0; }
.events .t { font-family: var(--mono); font-size: 12px; color: var(--text-2); padding-top: 1px; }
.events .title { font-size: 13.5px; }
.events .sub { font-size: 12px; color: var(--text-3); }
.events li.past { opacity: .4; }
.events li.now .t { color: var(--accent); }
.events li.now .title::after { content: "now"; margin-left: 8px; font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }

/* tasks */
.task-group { margin: 2px 0 14px; }
.task-group > .group-head {
  display: flex; justify-content: space-between; font-size: 12px; color: var(--text-2); font-weight: 500;
  padding: 4px 0 4px; letter-spacing: .01em;
}
.task-group > .group-head:hover { color: var(--text); }
.task-group > .group-head span { color: var(--text-3); font-variant-numeric: tabular-nums; }
.task {
  display: flex; gap: 10px; align-items: flex-start; padding: 5px 8px; margin: 0 -8px; border-radius: 9px;
  font-size: 13px; color: var(--text); transition: background .15s;
}
.task:hover { background: var(--glass-hover); }
.task .box {
  flex: none; width: 14px; height: 14px; margin-top: 2px; padding: 0; border-radius: 4px;
  border: 1.2px solid var(--text-3); display: grid; place-items: center; transition: border-color .15s, background .15s;
}
.task .box:hover { border-color: var(--accent); }
.task .box::after {
  content: ""; width: 4px; height: 7px; margin-top: -2px; border: solid var(--bg); border-width: 0 1.6px 1.6px 0;
  transform: rotate(45deg) scale(0); transition: transform .2s cubic-bezier(.3,1.6,.5,1);
}
.task.done .box { background: var(--accent); border-color: var(--accent); box-shadow: 0 0 10px rgba(var(--accent-rgb), .5); }
.task.done .box::after { transform: rotate(45deg) scale(1); }
.task.done .txt { color: var(--text-3); text-decoration: line-through; text-decoration-color: rgba(var(--accent-rgb), .6); }
.task { transition: background .15s, opacity .4s, transform .4s; }
.task.gone { opacity: 0; transform: translateX(-6px); }
.task.sub { padding-left: 28px; color: var(--text-2); }
.task .txt { flex: 1; min-width: 0; color: inherit; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.task .date { flex: none; margin-left: auto; font-size: 11px; color: var(--text-3); font-family: var(--mono); padding-top: 2px; }
.task .date.today { color: var(--accent); }
.more { font-size: 12px; color: var(--text-3); padding: 2px 0; cursor: pointer; }
.more:hover { color: var(--text-2); }

/* inbox */
.inbox-summary { margin: 0 0 10px; color: var(--text-2); font-size: 13px; }
.threads { list-style: none; margin: 0; padding: 0; }
.threads a { display: block; padding: 8px 10px; margin: 0 -10px; border-radius: 10px; transition: background .15s; }
.threads a:hover { background: var(--glass-hover); }
.threads .row { display: flex; justify-content: space-between; gap: 10px; }
.threads .from { font-size: 13px; font-weight: 500; }
.threads .when { font-size: 11px; color: var(--text-3); white-space: nowrap; }
.threads .subj { font-size: 12.5px; color: var(--text-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.threads .why { font-size: 12px; color: var(--accent); opacity: .85; }

/* digest */
.pick { display: block; margin-bottom: 16px; }
.pick .thumb {
  position: relative; aspect-ratio: 16/9; border-radius: 14px; overflow: hidden; margin-bottom: 12px;
  background: var(--glass); border: 1px solid var(--line);
}
.pick .thumb img { width: 100%; height: 100%; object-fit: cover; display: block; opacity: .92; transition: opacity .2s, transform .4s; }
.pick:hover .thumb img { opacity: 1; transform: scale(1.02); }
.pick .label { font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); }
.pick .ptitle { font-size: 15px; font-weight: 500; margin: 3px 0 2px; letter-spacing: -.005em; }
.pick .pmeta { font-size: 12px; color: var(--text-3); margin-bottom: 6px; }
.pick .ptext { font-size: 13px; color: var(--text-2); }
.digest-rest { font-size: 12.5px; color: var(--text-2); border-top: 1px solid var(--line); padding-top: 12px; }
.digest-rest p { margin: 0 0 8px; }
.digest-rest ul { margin: 0 0 10px; padding-left: 16px; }
.digest-rest li { margin: 0 0 6px; }
.digest-rest a, .pick .ptext a { color: var(--text); border-bottom: 1px solid var(--line); }
.digest-rest strong { color: var(--text); font-weight: 500; }
.digest-rest em { color: var(--text-3); }

/* assistant */
.assistant { width: 100%; max-width: 520px; height: 280px; flex: none; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.state { margin: 0; font-size: 12px; letter-spacing: .06em; color: var(--text-3); transition: color .3s; }
.state.active { color: var(--accent); }
.transcript { width: 100%; height: 104px; flex: none;
  mask-image: linear-gradient(180deg, transparent, #000 24px); overflow-y: auto; text-align: center; scrollbar-width: none; }
.transcript p { margin: 0 0 6px; font-size: 13px; line-height: 1.5; color: var(--text-2); }
.transcript p.you { color: var(--text-3); font-style: italic; }
.transcript p.interim { opacity: .6; }
.talk {
  width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; color: var(--text-2);
  background: var(--glass); border: 1px solid var(--line);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  transition: color .2s, box-shadow .3s, transform .15s, border-color .2s;
}
.talk:hover { color: var(--text); border-color: rgba(var(--accent-rgb), .35); }
.talk.on { color: var(--accent); border-color: rgba(var(--accent-rgb), .6); box-shadow: 0 0 28px rgba(var(--accent-rgb), .35); transform: scale(1.04); }
.typed { width: 100%; }
.typed input {
  width: 100%; padding: 10px 16px; border-radius: 999px; font: inherit; font-size: 13px; color: var(--text);
  background: var(--glass); border: 1px solid var(--line); outline: none;
}
.typed input:focus { border-color: rgba(var(--accent-rgb), .45); }
.link-btn { font-size: 11px; color: var(--text-3); letter-spacing: .04em; }
.link-btn:hover { color: var(--text-2); }

/* narrow screens: orb on top, panels stacked */
@media (max-width: 1100px) {
  html, body { height: auto; overflow: visible; }
  .topbar { grid-template-columns: 1fr auto; padding: 20px 16px 6px; }
  .clock { display: none; }
  .grid { grid-template-columns: 1fr; padding: 12px 16px 32px; gap: 20px; }
  .col-center { order: -1; }
  #orb-anchor { height: 44vh; flex: none; }
  .panel.grow { flex: none; }
  .scroll { max-height: 60vh; }
}

/* Public demo additions */
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.demo-bar {
  position: relative; z-index: 2; display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 10px 44px; border-bottom: 1px solid var(--line); color: var(--text-2);
  background: rgba(var(--accent-rgb), .045); font-size: 12px;
}
.demo-bar strong { color: var(--accent); font-weight: 600; text-transform: uppercase; letter-spacing: .08em; }
.demo-bar a:hover { color: var(--text); }
.demo-bar a span { margin-left: 4px; }

#orb-anchor { position: relative; }
.orb-fallback { position: absolute; width: min(340px, 90%); top: 50%; left: 50%; transform: translate(-50%, -50%); mix-blend-mode: screen; }
.orb-ready .orb-fallback { display: none; }

details > summary { list-style: none; cursor: pointer; }
details > summary::-webkit-details-marker { display: none; }
.events details { min-width: 0; }
.events summary:hover, .threads summary:hover { color: var(--accent); }
.events details .sub { margin: 7px 0 3px; max-width: 230px; }
.events summary::after { content: "⌄"; margin-left: 8px; color: var(--text-3); }

.task input {
  appearance: none; flex: none; width: 15px; height: 15px; margin: 2px 0 0;
  border: 1px solid var(--text-3); border-radius: 4px; cursor: pointer;
}
.task input:checked { background: var(--accent); border-color: var(--accent); }
.task input:checked::after { content: "✓"; display: block; color: var(--bg); font-size: 12px; line-height: 13px; text-align: center; }
.task .txt { cursor: pointer; }

.threads details { margin: 0 -10px; border-radius: 10px; }
.threads details:hover { background: var(--glass-hover); }
.threads summary { display: block; padding: 8px 10px; }
.threads summary .row, .threads summary .subj { display: flex; }
.threads summary .subj { display: block; }
.threads details p { margin: 0; padding: 0 10px 12px; color: var(--text-2); font-size: 12px; }
.sample-thumb { display: grid; place-items: center; background: radial-gradient(circle at 70% 30%, rgba(var(--accent-rgb), .35), transparent 45%), linear-gradient(135deg, #132446, #2b1838); }
.sample-thumb span { display: grid; place-items: center; width: 52px; height: 52px; padding-left: 3px; border-radius: 50%; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.4); color: white; }
.pick .ptext { margin: 8px 0 0; }

.assistant { height: 320px; gap: 10px; }
.transcript { height: 110px; mask-image: none; text-align: left; }
.transcript p { max-width: 90%; padding: 7px 11px; border: 1px solid var(--line); border-radius: 12px; background: var(--glass); }
.transcript p.you { margin-left: auto; text-align: right; }
.transcript p.brain { color: var(--text); }
.talk-row { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.mic-note { color: var(--text-3); font-size: 10px; }
.typed { display: flex; gap: 8px; }
.typed input { min-width: 0; flex: 1; }
.typed button { padding: 0 16px; border-radius: 999px; background: var(--accent); color: var(--bg); font-weight: 600; }
.typed button:hover { filter: brightness(1.15); }

@media (max-width: 1100px) {
  .demo-bar { padding: 10px 16px; }
  #orb-anchor { height: 36vh; min-height: 230px; }
  .assistant { height: auto; padding-bottom: 18px; }
  .transcript { height: 100px; }
}
@media (max-width: 520px) {
  .demo-bar { align-items: flex-start; flex-direction: column; gap: 3px; }
  .topbar { gap: 12px; }
  .greeting h1 { font-size: 16px; }
  .chip { padding: 7px 10px; }
}
@media (prefers-reduced-motion: reduce) {
  .panel { animation: none; }
  .task, .talk, .theme-toggle button { transition: none; }
}