:root {
  color-scheme: dark;
  --bg: #0b0f14;
  --panel: #111821;
  --panel2: #0f151d;
  --text: #e8eef6;
  --muted: #9aa7b5;
  --line: #223041;
  --accent: #58c7ff;
  --accent2: #b06cff;
  --user: #1d3550;
  --assistant: #151e29;
  --danger: #ff5f6d;
  --app-height: 100dvh;
}
* { box-sizing: border-box; }
html { height: 100%; }
body {
  margin: 0;
  height: 100vh;
  height: var(--app-height);
  min-height: var(--app-height);
  overflow: hidden;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(88,199,255,.16), transparent 34rem),
    radial-gradient(circle at bottom right, rgba(176,108,255,.12), transparent 30rem),
    var(--bg);
  color: var(--text);
}
button, textarea { -webkit-tap-highlight-color: transparent; }
.vault-intro {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: grid;
  place-items: center;
  overflow: hidden;
  perspective: 1800px;
  background:
    radial-gradient(circle at 50% 42%, rgba(88,199,255,.16), transparent 22rem),
    radial-gradient(circle at 50% 50%, #151e29 0 17rem, #070a0e 39rem),
    #05070a;
  animation: vaultSceneExit .75s ease 4.1s forwards;
}
.vault-intro.is-gone { display: none; }
.vault-haze {
  position: absolute;
  inset: -20%;
  background:
    conic-gradient(from 0deg, transparent, rgba(88,199,255,.08), transparent, rgba(176,108,255,.08), transparent),
    radial-gradient(circle, rgba(255,255,255,.08), transparent 36rem);
  filter: blur(12px);
  opacity: .85;
  animation: vaultHaze 4s linear forwards;
}
.vault-frame {
  position: relative;
  width: min(72vw, 540px);
  aspect-ratio: 1;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background:
    linear-gradient(145deg, #6f8191, #202b36 24%, #080c11 55%, #536273 82%, #9daebb),
    radial-gradient(circle, rgba(88,199,255,.14), transparent 64%);
  border: 2px solid rgba(214,237,255,.25);
  box-shadow:
    0 0 0 14px rgba(255,255,255,.035),
    0 0 0 28px rgba(0,0,0,.34),
    0 0 70px rgba(88,199,255,.28),
    inset 0 0 56px rgba(0,0,0,.82);
  transform-style: preserve-3d;
}
.vault-frame::before,
.vault-frame::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.vault-frame::before {
  inset: -18px;
  background: repeating-conic-gradient(from 3deg, rgba(255,255,255,.18) 0deg 3deg, transparent 3deg 15deg);
  mask: radial-gradient(circle, transparent 61%, #000 62% 70%, transparent 71%);
  opacity: .62;
}
.vault-frame::after {
  inset: 7%;
  border: 1px solid rgba(88,199,255,.16);
  box-shadow: inset 0 0 48px rgba(0,0,0,.88), 0 0 24px rgba(88,199,255,.18);
}
.vault-door {
  position: relative;
  width: 82%;
  aspect-ratio: 1;
  border-radius: 50%;
  overflow: hidden;
  transform-origin: -18% 50%;
  transform-style: preserve-3d;
  background:
    radial-gradient(circle at 38% 34%, rgba(255,255,255,.25), transparent 9%),
    linear-gradient(115deg, transparent 0 42%, rgba(255,255,255,.06) 43%, transparent 48%),
    repeating-conic-gradient(from 12deg, #2f3e4b 0deg 8deg, #121a23 8deg 16deg, #24303b 16deg 22deg),
    radial-gradient(circle, #394958 0 12%, #192531 48%, #0b1016 72%);
  border: 1px solid rgba(218,238,255,.3);
  box-shadow:
    inset 0 0 0 10px rgba(255,255,255,.04),
    inset 0 0 64px rgba(0,0,0,.8),
    34px 0 70px rgba(0,0,0,.62),
    0 0 38px rgba(88,199,255,.18);
  animation: vaultDoorOpen 1.85s cubic-bezier(.2,.72,.12,1) 2.08s forwards;
}
.vault-depth {
  position: absolute;
  inset: -7%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 28% 35%, rgba(255,255,255,.08), transparent 16%),
    repeating-conic-gradient(from 0deg, #0b1118 0deg 7deg, #24313d 7deg 10deg, #0b1118 10deg 20deg);
  box-shadow:
    inset 0 0 0 18px rgba(0,0,0,.5),
    inset 0 0 76px rgba(0,0,0,.94),
    18px 0 40px rgba(0,0,0,.7);
  transform: translateZ(-18px);
  opacity: .74;
}
.vault-rings,
.vault-rings::before,
.vault-rings::after {
  position: absolute;
  inset: 10%;
  content: "";
  border-radius: 50%;
  border: 1px solid rgba(150,205,235,.3);
  box-shadow: inset 0 0 24px rgba(0,0,0,.58);
  z-index: 2;
}
.vault-rings::before { inset: 16%; border-color: rgba(88,199,255,.3); }
.vault-rings::after { inset: 29%; border-color: rgba(255,255,255,.2); }
.vault-deadbolts {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  z-index: 4;
}
.bolt {
  --angle: 0deg;
  --start: 42%;
  --end: 27%;
  position: absolute;
  left: 50%; top: 50%;
  width: clamp(56px, 11vw, 96px);
  height: clamp(13px, 2.6vw, 20px);
  margin: calc(clamp(13px, 2.6vw, 20px) / -2) 0 0 calc(clamp(56px, 11vw, 96px) / -2);
  border-radius: 999px;
  background:
    linear-gradient(90deg, #05070a 0 8%, #7e91a2 14%, #d9e7f0 31%, #455765 63%, #101820 100%);
  box-shadow:
    inset 0 2px 2px rgba(255,255,255,.22),
    inset 0 -4px 8px rgba(0,0,0,.6),
    0 0 12px rgba(88,199,255,.25),
    0 6px 14px rgba(0,0,0,.48);
  transform: rotate(var(--angle)) translateX(var(--start));
  animation: deadboltRetract .7s cubic-bezier(.18,.82,.2,1) var(--delay) forwards;
}
.bolt::before {
  content: "";
  position: absolute;
  inset: 3px 12px;
  border-radius: inherit;
  background: linear-gradient(90deg, rgba(255,255,255,.34), transparent 35%, rgba(0,0,0,.38));
}
.bolt-n { --angle: -90deg; --delay: .52s; }
.bolt-ne { --angle: -45deg; --delay: .62s; }
.bolt-e { --angle: 0deg; --delay: .72s; }
.bolt-se { --angle: 45deg; --delay: .82s; }
.bolt-s { --angle: 90deg; --delay: .92s; }
.bolt-sw { --angle: 135deg; --delay: 1.02s; }
.bolt-w { --angle: 180deg; --delay: 1.12s; }
.bolt-nw { --angle: 225deg; --delay: 1.22s; }
.vault-bolts span {
  position: absolute;
  left: 50%; top: 50%;
  width: 11px; height: 24px;
  margin: -12px 0 0 -5.5px;
  border-radius: 999px;
  background: linear-gradient(#d7e4ee, #465765 55%, #101820);
  box-shadow: 0 0 10px rgba(88,199,255,.22);
  transform: rotate(calc(var(--i) * 45deg)) translateY(clamp(-214px, -30vw, -140px));
  z-index: 5;
}
.vault-bolts span:nth-child(1) { --i: 0; }
.vault-bolts span:nth-child(2) { --i: 1; }
.vault-bolts span:nth-child(3) { --i: 2; }
.vault-bolts span:nth-child(4) { --i: 3; }
.vault-bolts span:nth-child(5) { --i: 4; }
.vault-bolts span:nth-child(6) { --i: 5; }
.vault-bolts span:nth-child(7) { --i: 6; }
.vault-bolts span:nth-child(8) { --i: 7; }
.vault-wheel {
  position: absolute;
  inset: 31%;
  border-radius: 50%;
  background: radial-gradient(circle, #dff7ff 0 8%, #58c7ff 12%, #17212c 35%, #0a0f15 70%);
  border: 1px solid rgba(219,244,255,.38);
  box-shadow: 0 0 34px rgba(88,199,255,.42), inset 0 0 20px #020508;
  z-index: 6;
  animation: vaultWheelTurn 1.45s cubic-bezier(.2,.8,.16,1) .35s forwards;
}
.vault-wheel span {
  position: absolute;
  left: 50%; top: 50%;
  width: 7px; height: 48%;
  margin-left: -3.5px;
  transform-origin: 50% 0;
  background: linear-gradient(#9fe6ff, #1b6c91);
  border-radius: 999px;
}
.vault-wheel span:nth-child(1) { transform: rotate(0deg); }
.vault-wheel span:nth-child(2) { transform: rotate(120deg); }
.vault-wheel span:nth-child(3) { transform: rotate(240deg); }
.vault-core {
  position: absolute;
  inset: 43%;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #eaf9ff;
  font-weight: 800;
  letter-spacing: .04em;
  background: #071018;
  box-shadow: inset 0 0 14px rgba(88,199,255,.55), 0 0 22px rgba(88,199,255,.4);
  z-index: 7;
}
.vault-status-lines {
  position: absolute;
  left: 50%;
  bottom: 17%;
  transform: translateX(-50%);
  display: grid;
  gap: 5px;
  min-width: 220px;
  text-align: center;
  font-size: clamp(9px, 1.8vw, 12px);
  letter-spacing: .18em;
  color: rgba(200,240,255,.86);
  text-shadow: 0 0 10px rgba(88,199,255,.45);
  z-index: 7;
}
.vault-status-lines span {
  opacity: 0;
  transform: translateY(5px);
  animation: statusBlink .36s ease forwards;
}
.vault-status-lines span:nth-child(1) { animation-delay: 1.25s; }
.vault-status-lines span:nth-child(2) { animation-delay: 1.72s; }
.vault-copy {
  position: absolute;
  bottom: clamp(42px, 9vh, 84px);
  display: grid;
  gap: 8px;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: .22em;
  color: var(--text);
  animation: vaultCopyExit .55s ease 3.28s forwards;
}
.vault-copy strong { font-size: clamp(20px, 4vw, 34px); text-shadow: 0 0 18px rgba(88,199,255,.8); }
.vault-copy span { color: var(--muted); font-size: 12px; }
.shell {
  display: grid;
  grid-template-columns: 280px 1fr;
  height: 100vh;
  height: var(--app-height);
  opacity: 0;
  transform: scale(.985);
  animation: dashboardReveal .75s ease 3.72s forwards;
}
body.vault-opened .shell { opacity: 1; transform: none; animation: none; }
@keyframes vaultWheelTurn {
  0% { transform: rotate(0deg) scale(1); }
  60% { transform: rotate(410deg) scale(1.035); }
  100% { transform: rotate(540deg) scale(1); }
}
@keyframes deadboltRetract {
  0% { transform: rotate(var(--angle)) translateX(var(--start)); filter: brightness(1); }
  18% { transform: rotate(var(--angle)) translateX(calc(var(--start) + 3%)); filter: brightness(1.32); }
  100% { transform: rotate(var(--angle)) translateX(var(--end)); filter: brightness(.82); }
}
@keyframes vaultDoorOpen {
  0% { transform: rotateY(0deg) translateZ(0); filter: brightness(1); }
  38% { transform: rotateY(-10deg) translateZ(12px); filter: brightness(1.2); }
  100% { transform: rotateY(-112deg) translateZ(36px); filter: brightness(.8); }
}
@keyframes vaultSceneExit { to { opacity: 0; visibility: hidden; pointer-events: none; } }
@keyframes vaultCopyExit { to { opacity: 0; transform: translateY(10px); } }
@keyframes vaultHaze { to { transform: rotate(80deg) scale(1.08); opacity: .35; } }
@keyframes dashboardReveal { to { opacity: 1; transform: none; } }
@keyframes statusBlink { to { opacity: 1; transform: translateY(0); } }
.sidebar {
  border-right: 1px solid var(--line);
  background: rgba(10,15,21,.78);
  backdrop-filter: blur(14px);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.brand { display: flex; gap: 14px; align-items: center; }
.orb {
  width: 46px; height: 46px; border-radius: 50%;
  background: radial-gradient(circle, #dff7ff 0 10%, var(--accent) 28%, #125c88 56%, transparent 70%);
  box-shadow: 0 0 24px var(--accent), inset 0 0 16px #fff;
}
h1, h2, p { margin: 0; }
h1 { font-size: 22px; letter-spacing: .12em; }
.brand p, .topbar p, .note { color: var(--muted); font-size: 13px; line-height: 1.4; }
.new-chat, .composer button, .ghost, .omega-btn, .unlock-actions button, .voice-btn {
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(88,199,255,.14), rgba(176,108,255,.12));
  color: var(--text);
  border-radius: 14px;
  padding: 12px 14px;
  cursor: pointer;
  font-weight: 650;
}
.new-chat:hover, .composer button:hover, .ghost:hover, .omega-btn:hover, .unlock-actions button:hover, .voice-btn:hover { border-color: var(--accent); }
.status { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 14px; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: #35e27a; box-shadow: 0 0 12px #35e27a; }
body.owner-mode .dot { background: #b06cff; box-shadow: 0 0 14px #b06cff; }
.unlock-panel { display: grid; gap: 10px; }
.omega-btn { width: 100%; background: linear-gradient(135deg, rgba(176,108,255,.22), rgba(88,199,255,.12)); }
.unlock-box { border: 1px solid var(--line); border-radius: 14px; padding: 12px; background: rgba(255,255,255,.035); display: grid; gap: 10px; }
.unlock-box p { color: var(--muted); font-size: 12px; line-height: 1.35; }
.unlock-box textarea { width: 100%; min-height: 72px; font-size: 13px; padding: 10px; }
.unlock-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.unlock-actions button { padding: 9px 10px; border-radius: 12px; }
.unlock-status { min-height: 1.3em; color: var(--accent); }
.note { margin-top: auto; border: 1px solid var(--line); border-radius: 14px; padding: 14px; background: rgba(255,255,255,.03); }
.main { display: grid; grid-template-rows: auto minmax(0, 1fr) auto; min-width: 0; min-height: 0; }
.topbar {
  padding: 20px 28px;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  background: rgba(11,15,20,.55);
}
.topbar-actions { display: flex; align-items: center; gap: 10px; }
.voice-btn { background: linear-gradient(135deg, rgba(88,199,255,.22), rgba(53,226,122,.12)); }
.voice-btn.is-listening { border-color: #35e27a; box-shadow: 0 0 18px rgba(53,226,122,.28); }
.topbar h2 { font-size: 19px; }
.ghost { background: rgba(255,255,255,.03); padding: 9px 12px; }
.messages {
  padding: 28px;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}
.empty {
  max-width: 760px;
  margin: 12vh auto 0;
  text-align: center;
  color: var(--muted);
}
.empty h3 { color: var(--text); font-size: clamp(32px, 6vw, 64px); margin: 0 0 12px; letter-spacing: .08em; }
.msg { max-width: 900px; margin: 0 auto 18px; display: grid; gap: 7px; }
.role { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .12em; }
.bubble {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 15px 17px;
  line-height: 1.55;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.msg.user .bubble { background: var(--user); border-color: #31557d; }
.msg.assistant .bubble { background: rgba(21,30,41,.88); }
.msg.thinking .bubble { color: var(--muted); font-style: italic; }
.voice-panel {
  margin: 0 28px 0;
  border: 1px solid rgba(88,199,255,.22);
  border-radius: 16px;
  background: rgba(88,199,255,.055);
  padding: 12px 14px;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  color: var(--muted);
}
.voice-panel[hidden] { display: none; }
.voice-panel strong { color: var(--text); display: block; margin-bottom: 3px; }
.voice-panel span { font-size: 13px; line-height: 1.35; }
.voice-toggle { display: flex; align-items: center; gap: 8px; white-space: nowrap; font-size: 13px; color: var(--muted); }
.composer {
  padding: 18px 28px 24px;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 12px;
  background: rgba(11,15,20,.75);
}
textarea {
  flex: 1;
  resize: none;
  max-height: 180px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel2);
  color: var(--text);
  padding: 14px 16px;
  outline: none;
  font: inherit;
}
textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(88,199,255,.12); }
.composer button { min-width: 92px; }
@media (prefers-reduced-motion: reduce) {
  .vault-intro { display: none; }
  .shell { opacity: 1; transform: none; animation: none; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; }
}

@media (max-width: 800px) {
  body {
    background:
      radial-gradient(circle at 50% -8rem, rgba(88,199,255,.18), transparent 22rem),
      linear-gradient(180deg, #091018 0%, #0b0f14 50%, #090d12 100%);
  }
  .shell { grid-template-columns: 1fr; height: var(--app-height); }
  .sidebar { display: none; }
  .main { height: var(--app-height); min-height: 0; overflow: hidden; }
  .topbar {
    padding: calc(10px + env(safe-area-inset-top)) 14px 10px;
    position: sticky;
    top: 0;
    z-index: 5;
    backdrop-filter: blur(16px);
    background: rgba(9,13,18,.88);
  }
  .topbar-actions { gap: 7px; }
  .voice-btn {
    min-height: 40px;
    padding: 9px 11px;
    border-radius: 999px;
    white-space: nowrap;
  }
  .topbar h2 {
    font-size: 16px;
    letter-spacing: .06em;
    text-transform: uppercase;
  }
  .topbar p {
    margin-top: 2px;
    max-width: 210px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 11px;
  }
  .ghost {
    min-height: 40px;
    padding: 9px 12px;
    border-radius: 999px;
  }
  .messages {
    padding: 14px 12px 12px;
  }
  .voice-panel {
    margin: 0 10px;
    padding: 10px 11px;
    border-radius: 14px;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }
  .voice-toggle { justify-content: space-between; white-space: normal; }
  .empty {
    margin: 15vh auto 0;
    padding: 0 18px;
  }
  .empty h3 {
    font-size: clamp(34px, 12vw, 52px);
    letter-spacing: .05em;
  }
  .empty p {
    font-size: 14px;
    line-height: 1.45;
  }
  .msg {
    max-width: none;
    margin-bottom: 13px;
    gap: 5px;
  }
  .role {
    font-size: 10px;
    padding-left: 4px;
    letter-spacing: .1em;
  }
  .bubble {
    border-radius: 16px;
    padding: 12px 13px;
    font-size: 15px;
    line-height: 1.48;
  }
  .msg.user {
    margin-left: 8vw;
  }
  .msg.assistant {
    margin-right: 2vw;
  }
  .composer {
    padding: 10px 10px calc(10px + env(safe-area-inset-bottom));
    gap: 8px;
    align-items: flex-end;
    background: rgba(9,13,18,.94);
    backdrop-filter: blur(16px);
  }
  textarea {
    min-height: 46px;
    max-height: 128px;
    padding: 12px 13px;
    border-radius: 18px;
    font-size: 16px; /* stops iOS zoom */
    line-height: 1.35;
  }
  .composer button {
    min-width: 68px;
    min-height: 46px;
    padding: 0 13px;
    border-radius: 16px;
  }
}

@media (max-width: 420px) {
  .topbar p { display: none; }
  .ghost { font-size: 13px; }
  .messages { padding-left: 9px; padding-right: 9px; }
  .bubble { font-size: 14.5px; }
  .msg.user { margin-left: 4vw; }
}