/* ============================================================
   NAYA — NALA's AI companion widget
   Floating launcher (bottom-right) + chat panel.
   Uses the design tokens from style.css; falls back if absent.
   ============================================================ */

.naya {
  --naya-paper: var(--paper, oklch(0.985 0.006 80));
  --naya-paper-2: var(--paper-2, oklch(0.966 0.008 80));
  --naya-ink: var(--ink, oklch(0.23 0.025 255));
  --naya-ink-soft: var(--ink-soft, oklch(0.42 0.02 255));
  --naya-ink-faint: var(--ink-faint, oklch(0.56 0.015 255));
  --naya-navy: var(--navy, oklch(0.205 0.038 256));
  --naya-navy-2: var(--navy-2, oklch(0.255 0.044 258));
  --naya-amber: var(--amber, oklch(0.71 0.155 58));
  --naya-amber-deep: var(--amber-deep, oklch(0.63 0.16 50));
  --naya-line: var(--line, oklch(0.9 0.01 255));
  --naya-line-dark: var(--line-dark, oklch(0.34 0.03 258));
  --naya-on-navy: var(--on-navy, oklch(0.95 0.008 80));
  --naya-on-navy-soft: var(--on-navy-soft, oklch(0.78 0.015 250));
  --naya-ease: var(--ease-expo, cubic-bezier(0.16, 1, 0.3, 1));

  position: fixed;
  right: clamp(1rem, 2.5vw, 2rem);
  bottom: clamp(1rem, 2.5vw, 2rem);
  z-index: 900;
  font-family: var(--font-body, system-ui, sans-serif);
  line-height: 1.55;
}

/* ---------- Launcher ---------- */
.naya-launcher {
  position: relative;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--naya-navy);
  box-shadow: 0 10px 30px oklch(0.2 0.03 255 / 0.28), 0 0 0 1px oklch(0.2 0.03 255 / 0.06);
  transition: transform 0.45s var(--naya-ease), box-shadow 0.45s var(--naya-ease);
  display: block;
  margin-left: auto;
}
.naya-launcher:hover { transform: translateY(-3px); box-shadow: 0 18px 44px oklch(0.2 0.03 255 / 0.32); }
.naya-launcher:focus-visible { outline: 2px solid var(--naya-amber); outline-offset: 3px; }
.naya-launcher .avatar { width: 100%; height: 100%; }
.naya-launcher .close-ic {
  position: absolute; inset: 0; margin: auto;
  width: 22px; height: 22px; color: var(--naya-on-navy);
  opacity: 0; transform: rotate(-45deg) scale(0.7);
  transition: opacity 0.3s var(--naya-ease), transform 0.4s var(--naya-ease);
}
.naya-launcher .avatar { transition: opacity 0.3s var(--naya-ease), transform 0.4s var(--naya-ease); }
.naya.is-open .naya-launcher .avatar { opacity: 0; transform: scale(0.75); }
.naya.is-open .naya-launcher .close-ic { opacity: 1; transform: rotate(0) scale(1); }
.naya.is-open .naya-launcher { background: var(--naya-navy-2); }

/* live dot */
.naya-status {
  position: absolute; right: 3px; bottom: 3px;
  width: 13px; height: 13px; border-radius: 50%;
  background: oklch(0.72 0.16 150);
  border: 2.5px solid var(--naya-paper);
  transition: opacity 0.3s var(--naya-ease);
}
.naya.is-open .naya-status { opacity: 0; }

/* ---------- First-visit nudge ---------- */
.naya-nudge {
  position: absolute; right: calc(100% + 0.85rem); bottom: 11px;
  width: max-content; max-width: min(280px, calc(100vw - 7.5rem));
  display: flex; align-items: flex-start; gap: 0.6rem;
  padding: 0.7rem 0.85rem;
  background: var(--naya-paper);
  border: 1px solid var(--naya-line);
  border-radius: 14px 14px 2px 14px;
  box-shadow: 0 14px 34px oklch(0.2 0.03 255 / 0.14);
  font-size: 0.86rem; color: var(--naya-ink-soft);
  text-align: left;
  animation: naya-nudge-in 0.6s var(--naya-ease) both;
}
.naya-nudge b { color: var(--naya-ink); font-weight: 600; }
.naya-nudge .x {
  flex: none; width: 18px; height: 18px; border-radius: 50%;
  color: var(--naya-ink-faint); display: grid; place-items: center;
  transition: color 0.25s, background-color 0.25s;
}
.naya-nudge .x:hover { color: var(--naya-ink); background: var(--naya-paper-2); }
.naya-nudge .x svg { width: 11px; height: 11px; }
@keyframes naya-nudge-in { from { opacity: 0; transform: translateX(10px) scale(0.96); } to { opacity: 1; transform: none; } }

/* ---------- Panel ---------- */
.naya-panel {
  position: absolute;
  right: 0; bottom: calc(100% + 0.9rem);
  width: min(384px, calc(100vw - 2rem));
  height: min(600px, calc(100vh - 8rem));
  display: flex; flex-direction: column;
  background: var(--naya-paper);
  border: 1px solid var(--naya-line);
  border-radius: 20px;
  box-shadow: 0 32px 80px oklch(0.2 0.03 255 / 0.24), 0 2px 8px oklch(0.2 0.03 255 / 0.08);
  overflow: hidden;
  transform-origin: bottom right;
  opacity: 0; transform: translateY(14px) scale(0.97); pointer-events: none;
  transition: opacity 0.35s var(--naya-ease), transform 0.45s var(--naya-ease);
}
.naya.is-open .naya-panel { opacity: 1; transform: none; pointer-events: auto; }

/* header */
.naya-head {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.9rem 1rem;
  background: var(--naya-navy);
  border-bottom: 1px solid var(--naya-line-dark);
  flex: none;
}
.naya-head .pfp {
  width: 40px; height: 40px; border-radius: 50%; overflow: hidden; flex: none;
  box-shadow: 0 0 0 1px oklch(1 0 0 / 0.12);
}
.naya-head .meta { min-width: 0; flex: 1; }
.naya-head .nm {
  font-family: var(--font-display, inherit); font-weight: 700; font-size: 1rem;
  letter-spacing: -0.015em; color: var(--naya-on-navy); display: flex; align-items: center; gap: 0.4rem;
}
.naya-head .nm .live { width: 7px; height: 7px; border-radius: 50%; background: oklch(0.72 0.16 150); }
.naya-head .rl {
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: 0.64rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--naya-on-navy-soft); margin-top: 0.15rem;
}
.naya-head .shut {
  flex: none; width: 30px; height: 30px; border-radius: 50%;
  display: grid; place-items: center; color: var(--naya-on-navy-soft);
  transition: background-color 0.25s, color 0.25s;
}
.naya-head .shut:hover { background: oklch(1 0 0 / 0.1); color: var(--naya-on-navy); }
.naya-head .shut svg { width: 14px; height: 14px; }

/* log */
.naya-log {
  flex: 1; overflow-y: auto; overscroll-behavior: contain;
  padding: 1.1rem 1rem 0.5rem;
  display: flex; flex-direction: column; gap: 0.7rem;
  scrollbar-width: thin;
}
.naya-log > :first-child { margin-top: auto; } /* conversation grows from the bottom */
.naya-log::-webkit-scrollbar { width: 6px; }
.naya-log::-webkit-scrollbar-thumb { background: var(--naya-line); border-radius: 3px; }

.naya-msg {
  max-width: 88%; padding: 0.7rem 0.9rem;
  font-size: 0.9rem; border-radius: 15px;
  animation: naya-msg-in 0.45s var(--naya-ease) both;
  overflow-wrap: anywhere;
}
.naya-msg p + p { margin-top: 0.6rem; }
.naya-msg.bot {
  align-self: flex-start;
  background: var(--naya-paper-2);
  border: 1px solid var(--naya-line);
  border-bottom-left-radius: 5px;
  color: var(--naya-ink);
}
.naya-msg.me {
  align-self: flex-end;
  background: var(--naya-navy);
  color: var(--naya-on-navy);
  border-bottom-right-radius: 5px;
}
.naya-msg.bot a { color: var(--naya-amber-deep); text-decoration: underline; text-underline-offset: 2px; font-weight: 500; }
@keyframes naya-msg-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* inline links under an answer */
.naya-links { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.65rem; }
.naya-msg.bot .naya-links a,
.naya-links a {
  font-size: 0.78rem; font-weight: 500; text-decoration: none;
  padding: 0.3rem 0.65rem; border-radius: 100px;
  border: 1px solid var(--naya-line); background: var(--naya-paper);
  color: var(--naya-ink-soft);
  transition: border-color 0.25s, color 0.25s, transform 0.3s var(--naya-ease);
}
.naya-msg.bot .naya-links a:hover,
.naya-links a:hover { color: var(--naya-amber-deep); border-color: var(--naya-amber); transform: translateY(-1px); }

/* typing */
.naya-typing { align-self: flex-start; display: flex; gap: 4px; padding: 0.8rem 0.9rem; }
.naya-typing i {
  width: 6px; height: 6px; border-radius: 50%; background: var(--naya-ink-faint);
  animation: naya-bounce 1.1s infinite var(--naya-ease);
}
.naya-typing i:nth-child(2) { animation-delay: 0.14s; }
.naya-typing i:nth-child(3) { animation-delay: 0.28s; }
@keyframes naya-bounce { 0%, 60%, 100% { opacity: 0.3; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-4px); } }

/* suggestion chips */
.naya-chips { display: flex; flex-wrap: wrap; gap: 0.4rem; padding: 0.2rem 1rem 0.6rem; flex: none; }
.naya-chips button {
  font-size: 0.78rem; font-weight: 500; color: var(--naya-ink-soft);
  padding: 0.35rem 0.7rem; border-radius: 100px;
  border: 1px solid var(--naya-line); background: var(--naya-paper);
  transition: border-color 0.25s, color 0.25s, transform 0.3s var(--naya-ease);
}
.naya-chips button:hover { color: var(--naya-amber-deep); border-color: var(--naya-amber); transform: translateY(-1px); }

/* composer */
.naya-form {
  flex: none; display: flex; align-items: flex-end; gap: 0.5rem;
  padding: 0.7rem 0.75rem 0.5rem;
  border-top: 1px solid var(--naya-line);
  background: var(--naya-paper);
}
.naya-form textarea {
  flex: 1; resize: none; border: none; outline: none; background: none;
  font: inherit; font-size: 0.9rem; color: var(--naya-ink);
  padding: 0.55rem 0.25rem 0.55rem 0.5rem;
  max-height: 96px; line-height: 1.45;
}
.naya-form textarea::placeholder { color: var(--naya-ink-faint); }
.naya-send {
  flex: none; width: 38px; height: 38px; border-radius: 50%;
  background: var(--naya-amber); color: oklch(0.24 0.04 60);
  display: grid; place-items: center;
  transition: background-color 0.25s, transform 0.35s var(--naya-ease), opacity 0.25s;
}
.naya-send:hover { background: var(--naya-amber-deep); color: var(--naya-paper); transform: translateY(-1px); }
.naya-send[disabled] { opacity: 0.4; pointer-events: none; }
.naya-send svg { width: 16px; height: 16px; }

.naya-foot {
  flex: none; padding: 0 1rem 0.7rem;
  font-size: 0.68rem; color: var(--naya-ink-faint); text-align: center;
}
.naya-foot a { color: inherit; text-decoration: underline; text-underline-offset: 2px; }

/* ---------- Mobile: bottom sheet ---------- */
@media (max-width: 520px) {
  .naya-panel {
    position: fixed; right: 0; left: 0; bottom: 0;
    width: 100%; height: min(86vh, 640px);
    border-radius: 20px 20px 0 0; border-bottom: none;
  }
  .naya-nudge { max-width: min(220px, calc(100vw - 6rem)); font-size: 0.8rem; }
  /* the sheet owns the screen; its header X is the way out */
  .naya.is-open .naya-launcher,
  .naya.is-open .naya-status { opacity: 0; transform: scale(0.8); pointer-events: none; }
}

@media (prefers-reduced-motion: reduce) {
  .naya-panel, .naya-launcher, .naya-msg, .naya-nudge { transition-duration: 0.001ms; animation: none; }
  .naya-typing i { animation: none; opacity: 0.55; }
}

/* print / no-js */
@media print { .naya { display: none; } }

/* the site's mobile drawer owns the screen while it is open */
body.menu-open .naya { opacity: 0; pointer-events: none; transition: opacity 0.3s var(--naya-ease); }

/* ---------- Voice ---------- */
/* display:grid below would otherwise beat the UA's [hidden] rule */
.naya-head .spk[hidden], .naya-mic[hidden] { display: none; }
.naya-head .spk {
  flex: none; width: 30px; height: 30px; border-radius: 50%;
  display: grid; place-items: center; color: var(--naya-on-navy-soft);
  transition: background-color 0.25s, color 0.25s;
}
.naya-head .spk:hover { background: oklch(1 0 0 / 0.1); color: var(--naya-on-navy); }
.naya-head .spk svg { width: 16px; height: 16px; grid-area: 1 / 1; }
.naya-head .spk .on { display: none; }
.naya.voice-on .naya-head .spk { color: var(--naya-amber); }
.naya.voice-on .naya-head .spk .on { display: block; }
.naya.voice-on .naya-head .spk .off { display: none; }

.naya-mic {
  flex: none; width: 38px; height: 38px; border-radius: 50%;
  display: grid; place-items: center; color: var(--naya-ink-faint);
  transition: color 0.25s, background-color 0.25s;
}
.naya-mic:hover { color: var(--naya-ink); background: var(--naya-paper-2); }
.naya-mic svg { width: 17px; height: 17px; }
.naya-mic.live { color: var(--naya-paper); background: oklch(0.58 0.2 25); }
.naya-mic.live::after {
  content: ""; position: absolute; width: 38px; height: 38px; border-radius: 50%;
  border: 2px solid oklch(0.58 0.2 25); animation: naya-listen 1.4s infinite var(--naya-ease);
}
.naya-mic { position: relative; }
@keyframes naya-listen {
  from { transform: scale(1); opacity: 0.7; }
  to { transform: scale(1.7); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) { .naya-mic.live::after { animation: none; opacity: 0; } }