/* Sulai chat. Loaded by sulai-agent itself and by the portfolio homepage. */

.sulai {
  --s-ink: #090d16;
  --s-muted: #5b6478;
  --s-bg: #ffffff;
  --s-panel: #f6f7fb;
  --s-border: #e2e6ef;
  --s-accent: #2454d7;
  --s-accent-2: #6c7cff;
  --s-accent-soft: #eef2ff;
  --s-user-ink: #ffffff;
  --s-shadow: 0 24px 60px -24px rgba(9, 13, 22, 0.25);

  position: relative;
  isolation: isolate;
  box-sizing: border-box;
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 20px;
  border-radius: 24px;
  border: 1px solid var(--s-border);
  background: var(--s-bg);
  color: var(--s-ink);
  font-family: "DM Sans", ui-sans-serif, system-ui, sans-serif;
  box-shadow: var(--s-shadow);
  overflow: hidden;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.sulai.is-visible { opacity: 1; transform: none; }

@media (prefers-color-scheme: dark) {
  .sulai:not([data-theme="light"]) {
    --s-ink: #f6f7fb;
    --s-muted: #9aa4b8;
    --s-bg: #0f1422;
    --s-panel: #161d2f;
    --s-border: #232c42;
    --s-accent-soft: #1a2445;
    --s-shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.6);
  }
}
.sulai[data-theme="dark"] {
  --s-ink: #f6f7fb;
  --s-muted: #9aa4b8;
  --s-bg: #0f1422;
  --s-panel: #161d2f;
  --s-border: #232c42;
  --s-accent-soft: #1a2445;
  --s-shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.6);
}

/* Ambient glow that drifts behind the card */
.sulai::before,
.sulai::after {
  content: "";
  position: absolute;
  z-index: -1;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.35;
  pointer-events: none;
  background: radial-gradient(circle, var(--s-accent-2), transparent 70%);
  animation: sulai-drift 14s ease-in-out infinite alternate;
}
.sulai::before { top: -120px; left: -90px; }
.sulai::after {
  bottom: -140px; right: -100px;
  background: radial-gradient(circle, var(--s-accent), transparent 70%);
  animation-duration: 18s;
  animation-direction: alternate-reverse;
}

@keyframes sulai-drift {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(40px, 30px) scale(1.12); }
}

/* Header */
.sulai-head {
  display: flex;
  align-items: center;
  gap: 14px;
}
.sulai-orb {
  position: relative;
  width: 44px;
  height: 44px;
  flex: none;
  border-radius: 50%;
  background: conic-gradient(from 200deg, var(--s-accent), var(--s-accent-2), #2ee6c5, var(--s-accent));
  animation: sulai-spin 9s linear infinite;
}
.sulai-orb::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: var(--s-bg);
}
.sulai-orb::before {
  content: "";
  position: absolute;
  inset: -6px;
  z-index: -1;
  border-radius: 50%;
  border: 2px solid var(--s-accent-2);
  opacity: 0;
  animation: sulai-ping 2.6s ease-out infinite;
}
@keyframes sulai-spin { to { transform: rotate(360deg); } }
@keyframes sulai-ping {
  0% { transform: scale(0.85); opacity: 0.6; }
  100% { transform: scale(1.35); opacity: 0; }
}
.sulai-title { min-width: 0; }
.sulai-title h2 {
  margin: 0;
  font-family: Manrope, "DM Sans", sans-serif;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.sulai-status {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-top: 2px;
  font: 500 12px/1.4 "JetBrains Mono", ui-monospace, monospace;
  color: var(--s-muted);
}
.sulai-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #129b6b;
  box-shadow: 0 0 0 0 rgba(18, 155, 107, 0.6);
  animation: sulai-pulse 2s ease-out infinite;
}
@keyframes sulai-pulse {
  0% { box-shadow: 0 0 0 0 rgba(18, 155, 107, 0.55); }
  70% { box-shadow: 0 0 0 8px rgba(18, 155, 107, 0); }
  100% { box-shadow: 0 0 0 0 rgba(18, 155, 107, 0); }
}

/* Suggestion chips */
.sulai-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.sulai-chip {
  appearance: none;
  border: 1px solid var(--s-border);
  background: var(--s-panel);
  color: var(--s-ink);
  border-radius: 999px;
  padding: 7px 13px;
  font: 500 13px/1.2 "DM Sans", sans-serif;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}
.sulai-chip:hover { border-color: var(--s-accent); background: var(--s-accent-soft); transform: translateY(-1px); }
.sulai-chip:focus-visible,
.sulai-send:focus-visible,
.sulai-input:focus-visible {
  outline: 2px solid var(--s-accent);
  outline-offset: 2px;
}

/* Message log */
.sulai-log {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 240px;
  max-height: 420px;
  overflow-y: auto;
  padding: 4px 4px 4px 2px;
  scroll-behavior: smooth;
}
.sulai-msg {
  max-width: 86%;
  padding: 11px 15px;
  border-radius: 18px;
  font-size: 15px;
  line-height: 1.55;
  word-wrap: break-word;
  animation: sulai-in 0.42s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}
.sulai-msg a { color: var(--s-accent); text-underline-offset: 3px; }
.sulai-msg--bot {
  align-self: flex-start;
  background: var(--s-panel);
  border: 1px solid var(--s-border);
  border-bottom-left-radius: 6px;
}
.sulai-msg--user {
  align-self: flex-end;
  color: var(--s-user-ink);
  background: linear-gradient(135deg, var(--s-accent), var(--s-accent-2));
  border-bottom-right-radius: 6px;
  box-shadow: 0 8px 20px -10px var(--s-accent);
}
.sulai-msg--user a { color: #fff; }
.sulai-msg--error { color: #b42318; }
@keyframes sulai-in {
  from { opacity: 0; transform: translateY(10px) scale(0.98); }
  to { opacity: 1; transform: none; }
}

.sulai-typing {
  display: inline-flex;
  gap: 5px;
  align-items: center;
  padding: 13px 15px;
}
.sulai-typing span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--s-muted);
  animation: sulai-bounce 1.2s ease-in-out infinite;
}
.sulai-typing span:nth-child(2) { animation-delay: 0.15s; }
.sulai-typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes sulai-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-5px); opacity: 1; }
}

/* Input */
.sulai-form {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 6px 6px 18px;
  border-radius: 999px;
  border: 1px solid var(--s-border);
  background: var(--s-panel);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.sulai-form:focus-within {
  border-color: var(--s-accent);
  box-shadow: 0 0 0 4px var(--s-accent-soft);
}
.sulai-input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  color: var(--s-ink);
  font: 400 15px/1.4 "DM Sans", sans-serif;
  padding: 10px 0;
}
.sulai-input::placeholder { color: var(--s-muted); }
.sulai-send {
  appearance: none;
  flex: none;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--s-accent), var(--s-accent-2));
  cursor: pointer;
  transition: transform 0.2s, opacity 0.2s;
}
.sulai-send:hover:not(:disabled) { transform: scale(1.06); }
.sulai-send:disabled { opacity: 0.45; cursor: default; }
.sulai-send svg { width: 18px; height: 18px; }

.sulai-foot {
  margin: 0;
  font: 400 12px/1.4 "JetBrains Mono", ui-monospace, monospace;
  color: var(--s-muted);
  text-align: center;
}

@media (max-width: 560px) {
  .sulai { padding: 16px; border-radius: 20px; }
  .sulai-msg { max-width: 92%; font-size: 14.5px; }
  .sulai-log { max-height: 360px; }
}

@media (prefers-reduced-motion: reduce) {
  .sulai,
  .sulai::before,
  .sulai::after,
  .sulai-orb,
  .sulai-orb::before,
  .sulai-dot,
  .sulai-msg,
  .sulai-typing span { animation: none !important; transition: none !important; }
  .sulai { opacity: 1; transform: none; }
}

/* Home-page section wrapper around the chat card.
   Was an inline <style> block on the original page. */
.sulai-home { padding-top: 72px; padding-bottom: 24px; }
.sulai-home-head { text-align: center; max-width: 640px; margin: 0 auto 28px; }
.sulai-home-eyebrow {
  font: 500 12px/1.4 "JetBrains Mono", ui-monospace, monospace;
  letter-spacing: .14em; text-transform: uppercase; color: #2454d7; margin: 0 0 12px;
}
.sulai-home-head h2 {
  font-family: Manrope, "DM Sans", sans-serif;
  font-size: clamp(28px, 4vw, 40px); font-weight: 700;
  letter-spacing: -.02em; margin: 0 0 10px; color: #090d16;
}
.sulai-home-head p {
  font-family: "DM Sans", sans-serif; font-size: 16px; line-height: 1.6;
  color: #5b6478; margin: 0;
}
@media (prefers-color-scheme: dark) {
  .sulai-home-head h2 { color: #f6f7fb; }
  .sulai-home-head p { color: #9aa4b8; }
}