/* Minimal mobile-first dark UI for the Jarvis voice web app. */
:root {
  --bg: #0b0d10;
  --bg-elev: #1a1d22;
  --fg: #e7e9ec;
  --fg-dim: #9aa1ab;
  --accent: #4ea1ff;
  --user: #2a3340;
  --jarvis: #1a1d22;
  --danger: #ff6b6b;
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.4;
  overscroll-behavior: none;
}

body {
  display: flex;
  flex-direction: column;
  padding-top: env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid #20242a;
}

header h1 {
  margin: 0;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.4px;
}

.header-actions {
  display: flex;
  gap: 8px;
}

header button {
  background: var(--bg-elev);
  color: var(--fg);
  border: 1px solid #2a2f37;
  border-radius: 10px;
  padding: 6px 12px;
  font-size: 15px;
  cursor: pointer;
}

#settings {
  padding: 14px 16px;
  border-bottom: 1px solid #20242a;
  background: var(--bg-elev);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

#settings label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
}

#settings select {
  flex: 1;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid #2a2f37;
  border-radius: 8px;
  padding: 6px 8px;
  font-size: 15px;
}

.muted {
  margin: 0;
  font-size: 12px;
  color: var(--fg-dim);
  word-break: break-all;
}

main#transcript {
  flex: 1;
  overflow-y: auto;
  padding: 14px 14px 4px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.bubble {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: var(--radius);
  white-space: pre-wrap;
  word-wrap: break-word;
}

.bubble.user {
  align-self: flex-end;
  background: var(--user);
  border-bottom-right-radius: 4px;
}

.bubble.jarvis {
  align-self: flex-start;
  background: var(--jarvis);
  border: 1px solid #262b32;
  border-bottom-left-radius: 4px;
}

.bubble.error {
  align-self: stretch;
  background: rgba(255, 107, 107, 0.12);
  border: 1px solid rgba(255, 107, 107, 0.35);
  color: #ffd2d2;
}

#status {
  padding: 6px 16px;
  text-align: center;
  font-size: 13px;
  color: var(--fg-dim);
  min-height: 22px;
}

#status.listening { color: var(--accent); }
#status.thinking  { color: var(--fg-dim); }
#status.speaking  { color: #b388ff; }
#status.error     { color: var(--danger); }

footer {
  padding: 8px 12px 14px;
  border-top: 1px solid #20242a;
  background: var(--bg);
}

#text-form {
  display: flex;
  align-items: center;
  gap: 8px;
}

#text-input {
  flex: 1;
  background: var(--bg-elev);
  color: var(--fg);
  border: 1px solid #2a2f37;
  border-radius: 999px;
  padding: 10px 16px;
  font-size: 16px;
  outline: none;
}

#text-input:focus { border-color: var(--accent); }

#mic, #send {
  border: none;
  border-radius: 999px;
  font-size: 20px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
}

#mic {
  background: var(--accent);
  color: white;
}

#mic.recording {
  background: var(--danger);
  animation: pulse 1.2s ease-in-out infinite;
}

#send {
  background: var(--bg-elev);
  color: var(--fg);
  border: 1px solid #2a2f37;
  width: auto;
  padding: 0 14px;
  font-size: 15px;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 107, 107, 0.6); }
  50%      { box-shadow: 0 0 0 10px rgba(255, 107, 107, 0); }
}

@media (min-width: 700px) {
  main#transcript { max-width: 720px; margin: 0 auto; width: 100%; }
  footer #text-form { max-width: 720px; margin: 0 auto; }
}

/* Sign-in overlay */
#login-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}

/* The `hidden` HTML attribute must beat id-specificity rules above so JS
   can toggle visibility. Without these, `element.hidden = true` is ignored. */
#login-overlay[hidden],
#settings[hidden] {
  display: none;
}

.login-card {
  background: var(--bg-elev);
  border: 1px solid #2a2f37;
  border-radius: var(--radius);
  padding: 24px;
  max-width: 360px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.login-card h2 { margin: 0; font-size: 18px; }

#login-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

#login-token {
  background: var(--bg);
  color: var(--fg);
  border: 1px solid #2a2f37;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 15px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

#login-form button {
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}

#login-error {
  color: var(--danger);
  min-height: 1em;
}

#sign-out {
  align-self: flex-start;
  background: transparent;
  color: var(--fg-dim);
  border: 1px solid #2a2f37;
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 13px;
  cursor: pointer;
}