:root {
  color-scheme: dark;
  font-family: "Segoe UI", "Helvetica Neue", sans-serif;
  background: #050c15;
  color: #d8f8ff;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 280px;
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 50% 12%, rgba(33, 156, 196, 0.26), transparent 28%),
    radial-gradient(ellipse at 50% 38%, rgba(0, 110, 151, 0.18), transparent 54%),
    linear-gradient(155deg, #07171f, #03080f 40%, #020b15 100%);
}

.interface {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 22px 20px 15px;
  background: linear-gradient(180deg, rgba(8, 18, 26, 0.1), rgba(4, 8, 14, 0.7));
}

.header,
.footer {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.header {
  padding: 2px 2px 0;
}

.controls,
.manual-input-wrap {
  width: min(100%, 470px);
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: center;
  margin: 8px auto 0;
}

.action-button {
  appearance: none;
  border: 1px solid rgba(95, 222, 255, 0.35);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(49, 156, 170, 0.25), rgba(13, 51, 70, 0.7));
  color: #edf6ff;
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  letter-spacing: 0.08em;
  min-height: 42px;
  padding: 0 18px;
  text-transform: uppercase;
  touch-action: manipulation;
}

.action-button.secondary {
  background: rgba(12, 42, 55, 0.8);
}

.action-button:active {
  transform: translateY(1px);
}

.manual-input-wrap {
  margin-top: 12px;
  padding: 0 12px;
}

#manual-input {
  flex: 1;
  min-height: 44px;
  border: 1px solid rgba(112, 164, 182, 0.45);
  border-radius: 12px;
  background: rgba(4, 18, 28, 0.78);
  color: #eaf5ff;
  font: inherit;
  padding: 0 14px;
}

.ai-settings {
  width: min(100%, 470px);
  margin: 14px auto 18px;
  color: #8fb9c5;
  font-size: 12px;
}

.ai-settings summary {
  width: fit-content;
  cursor: pointer;
  color: #9dddeb;
  min-height: 40px;
  padding: 12px 4px;
  touch-action: manipulation;
}

.ai-settings-content {
  padding: 10px 12px 14px;
  border: 1px solid rgba(83, 170, 199, 0.2);
  border-radius: 14px;
  background: rgba(7, 28, 38, 0.68);
}

.ai-settings-content p {
  margin: 0 0 8px;
  line-height: 1.5;
}

.local-ai-status {
  line-height: 1.5;
}

.hidden {
  display: none !important;
}

.brand {
  color: #e5fbff;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.18em;
  white-space: nowrap;
  text-transform: uppercase;
  text-shadow: 0 0 18px rgba(114, 210, 255, 0.2);
}

.brand-dot {
  color: #779ca7;
  font-size: 8px;
  letter-spacing: 0.12em;
}

.system-state,
.footer,
.status,
.orb-instruction {
  font-family: Consolas, "Courier New", monospace;
  letter-spacing: 0.12em;
}

.system-state {
  color: #79a7b3;
  font-size: 9px;
  white-space: nowrap;
}

.state-light {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 5px;
  border-radius: 50%;
  background: #00e3b2;
  box-shadow: 0 0 9px #00e3b2;
}

.stage {
  width: min(100%, 420px);
  height: min(52vh, 420px);
  min-height: 240px;
  margin: 18px auto 3px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 18px 10px 8px;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(18, 33, 42, 0.88), rgba(6, 18, 28, 0.88));
  border: 1px solid rgba(108, 201, 233, 0.18);
  box-shadow: 0 22px 44px rgba(0, 0, 0, 0.35), inset 0 0 26px rgba(29, 111, 145, 0.14);
}

#orb {
  display: block;
  width: 100%;
  height: calc(100% - 25px);
  min-height: 210px;
  outline: none;
  cursor: grab;
  touch-action: none;
  filter: drop-shadow(0 12px 24px rgba(21, 91, 130, 0.42));
  border-radius: 22px;
}

#orb:active {
  cursor: grabbing;
}

#orb:focus-visible {
  filter: drop-shadow(0 0 12px rgba(54, 222, 255, 0.6));
}

.orb-instruction {
  color: #5c8591;
  font-size: 8px;
  text-align: center;
}

.orb-instruction span {
  padding: 0 4px;
  color: #12c8ea;
}

.conversation {
  width: min(100%, 470px);
  min-height: 135px;
  margin: 12px auto 20px;
  padding: 16px 16px 14px;
  border: 1px solid rgba(83, 170, 199, 0.2);
  border-radius: 18px;
  background: linear-gradient(100deg, rgba(7, 28, 38, 0.68), rgba(9, 20, 32, 0.4));
  box-shadow: inset 0 0 16px rgba(40, 126, 156, 0.08);
}

.status {
  margin-bottom: 9px;
  color: #4ca9bb;
  font-size: 8px;
}

.transcript {
  margin-bottom: 7px;
  color: #77d4e1;
  font-size: 11px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.transcript:empty {
  display: none;
}

.answer {
  color: #c6dce1;
  font-size: 13px;
  line-height: 1.65;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.footer {
  margin-top: auto;
  color: #466973;
  font-size: 7px;
  line-height: 1.6;
}

.footer span:last-child {
  text-align: right;
}

.footer span {
  text-align: center;
}

body.is-listening .state-light {
  background: #ff7086;
  box-shadow: 0 0 10px #ff7086;
}

body.is-listening #orb {
  filter: drop-shadow(0 0 12px rgba(35, 217, 255, 0.2));
}

@media (max-width: 480px) {
  .interface {
    padding-right: 14px;
    padding-left: 14px;
  }

  .header,
  .footer {
    gap: 8px;
  }

  .brand {
    font-size: 11px;
    letter-spacing: 0.12em;
  }

  .brand-dot {
    display: none;
  }

  .controls,
  .manual-input-wrap {
    flex-direction: column;
  }

  .action-button,
  #manual-input,
  #manual-submit,
}

@media (max-height: 600px) {
  .interface {
    padding-top: 14px;
  }

  .stage {
    height: 42vh;
    min-height: 170px;
    margin-top: 8px;
  }

  #orb {
    min-height: 150px;
  }

  .conversation {
    min-height: 100px;
    margin-top: 4px;
    padding: 10px 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
  }
}