/* ============================================================
   Vacation Itinerary Bot — "sunset atelier"
   Deep indigo night sky → coral/amber horizon. Fraunces + Inter.
   ============================================================ */

:root {
  --ink-0: #0a0920;
  --ink-1: #141135;
  --ink-2: #1d1847;
  --coral: #ff6f61;
  --coral-soft: #ff8a70;
  --amber: #ffb457;
  --gold: #ffd9a3;
  --cream: #f7f1e8;
  --text: #efe9f4;
  --text-dim: #b3a9c9;
  --text-faint: #7d739b;
  --glass: rgba(255, 255, 255, 0.055);
  --glass-strong: rgba(255, 255, 255, 0.09);
  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-border-hi: rgba(255, 214, 163, 0.35);
  --shadow-lg: 0 24px 70px -18px rgba(3, 2, 16, 0.85);
  --shadow-card: 0 10px 34px -12px rgba(3, 2, 16, 0.7);
  --radius-lg: 22px;
  --radius-md: 16px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", -apple-system, sans-serif;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { height: 100%; }

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  background: var(--ink-0);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: rgba(255, 111, 97, 0.35); color: var(--cream); }

/* ---------------- atmosphere ---------------- */

.sky {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 90% at 78% -10%, #2b2260 0%, transparent 55%),
    radial-gradient(90% 70% at 12% 8%, #221b52 0%, transparent 60%),
    linear-gradient(180deg, #0a0920 0%, #14113a 46%, #2c1c55 72%, #55295e 88%, #7c3159 100%);
}

.horizon-glow {
  position: absolute;
  left: 50%;
  bottom: -32vh;
  width: 150vw;
  height: 62vh;
  transform: translateX(-50%);
  background: radial-gradient(50% 55% at 50% 45%,
    rgba(255, 180, 87, 0.5) 0%,
    rgba(255, 111, 97, 0.32) 34%,
    rgba(255, 111, 97, 0.1) 58%,
    transparent 78%);
  filter: blur(6px);
  animation: glow-breathe 9s ease-in-out infinite alternate;
}

@keyframes glow-breathe {
  from { opacity: 0.85; transform: translateX(-50%) scale(1); }
  to   { opacity: 1;    transform: translateX(-50%) scale(1.05); }
}

.stars {
  position: absolute;
  inset: 0 0 30% 0;
  background-image:
    radial-gradient(1.2px 1.2px at 12% 22%, rgba(255,255,255,.8) 50%, transparent 51%),
    radial-gradient(1px 1px at 28% 9%,  rgba(255,255,255,.55) 50%, transparent 51%),
    radial-gradient(1.4px 1.4px at 41% 31%, rgba(255,222,180,.7) 50%, transparent 51%),
    radial-gradient(1px 1px at 57% 14%, rgba(255,255,255,.6) 50%, transparent 51%),
    radial-gradient(1.6px 1.6px at 68% 27%, rgba(255,255,255,.75) 50%, transparent 51%),
    radial-gradient(1px 1px at 79% 8%,  rgba(255,222,180,.6) 50%, transparent 51%),
    radial-gradient(1.2px 1.2px at 88% 34%, rgba(255,255,255,.5) 50%, transparent 51%),
    radial-gradient(1px 1px at 8% 44%,  rgba(255,255,255,.4) 50%, transparent 51%),
    radial-gradient(1.3px 1.3px at 22% 55%, rgba(255,255,255,.45) 50%, transparent 51%),
    radial-gradient(1px 1px at 47% 48%, rgba(255,222,180,.4) 50%, transparent 51%),
    radial-gradient(1.1px 1.1px at 63% 58%, rgba(255,255,255,.35) 50%, transparent 51%),
    radial-gradient(1px 1px at 93% 52%, rgba(255,255,255,.4) 50%, transparent 51%),
    radial-gradient(1.2px 1.2px at 35% 18%, rgba(255,255,255,.5) 50%, transparent 51%),
    radial-gradient(1px 1px at 73% 42%, rgba(255,255,255,.45) 50%, transparent 51%);
  animation: twinkle 7s ease-in-out infinite alternate;
}

@keyframes twinkle { from { opacity: .55; } to { opacity: 1; } }

.grain {
  position: absolute;
  inset: 0;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------------- brand pieces ---------------- */

.brand-mark {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: linear-gradient(160deg, var(--ink-2), var(--ink-1));
  border: 1px solid var(--glass-border-hi);
  display: grid;
  place-items: center;
  overflow: hidden;
  position: relative;
  box-shadow: inset 0 0 24px rgba(255, 180, 87, 0.12);
}

.brand-mark.small { width: 40px; height: 40px; border-radius: 12px; }

.brand-sun {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(180deg, var(--amber), var(--coral));
  box-shadow: 0 0 18px rgba(255, 158, 87, 0.8);
  position: relative;
  top: 5px;
}

.brand-mark.small .brand-sun { width: 18px; height: 18px; top: 4px; }

.brand-mark::after {
  content: "";
  position: absolute;
  left: 12%;
  right: 12%;
  bottom: 26%;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, var(--coral-soft), transparent);
}

/* ============================================================
   LOGIN
   ============================================================ */

.login-body { display: grid; place-items: center; padding: 24px; }

.login-stage { width: 100%; max-width: 460px; }

.login-card {
  position: relative;
  padding: 52px 46px 40px;
  border-radius: 28px;
  background: linear-gradient(165deg, rgba(255,255,255,0.09), rgba(255,255,255,0.03) 55%);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(26px) saturate(1.3);
  -webkit-backdrop-filter: blur(26px) saturate(1.3);
  box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255,255,255,0.14);
  text-align: center;
  overflow: hidden;
}

.login-card::before {
  content: "";
  position: absolute;
  top: -40%;
  left: 50%;
  width: 130%;
  height: 60%;
  transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(255,180,87,0.16), transparent);
  pointer-events: none;
}

.flight-path {
  position: absolute;
  top: 8px;
  left: 0;
  width: 100%;
  height: 110px;
  opacity: 0.9;
  pointer-events: none;
}

.flight-path .plane { animation: plane-drift 6s ease-in-out infinite alternate; }
@keyframes plane-drift {
  from { transform: translate(150px, 47px) rotate(10deg); }
  to   { transform: translate(258px, 36px) rotate(5deg); }
}

.login-card .brand-mark { margin: 26px auto 22px; }

.brand-eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--amber);
}

.login-title {
  font-family: var(--font-display);
  font-size: clamp(34px, 6vw, 44px);
  font-weight: 380;
  line-height: 1.12;
  margin: 14px 0 12px;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.login-title em {
  font-style: italic;
  font-weight: 460;
  background: linear-gradient(92deg, var(--gold), var(--coral-soft));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.login-sub {
  font-size: 14px;
  color: var(--text-dim);
  max-width: 320px;
  margin: 0 auto 30px;
}

.login-error {
  margin: 0 0 18px;
  padding: 11px 16px;
  border-radius: 12px;
  font-size: 13px;
  color: #ffc9be;
  background: rgba(255, 87, 87, 0.12);
  border: 1px solid rgba(255, 111, 97, 0.35);
  animation: rise-in .4s var(--ease-out);
}

.login-form { display: grid; gap: 14px; text-align: left; }

.field { display: grid; gap: 6px; }

.field-label {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-faint);
  padding-left: 2px;
}

.field input {
  width: 100%;
  padding: 13px 16px;
  border-radius: 13px;
  border: 1px solid var(--glass-border);
  background: rgba(10, 9, 32, 0.45);
  color: var(--cream);
  font: 500 15px var(--font-body);
  transition: border-color .25s, box-shadow .25s, background .25s;
}

.field input::placeholder { color: var(--text-faint); }

.field input:focus {
  outline: none;
  border-color: var(--glass-border-hi);
  background: rgba(10, 9, 32, 0.6);
  box-shadow: 0 0 0 4px rgba(255, 180, 87, 0.12);
}

.btn-primary {
  margin-top: 8px;
  padding: 14px 20px;
  border: none;
  border-radius: 14px;
  cursor: pointer;
  font: 600 15px var(--font-body);
  letter-spacing: 0.01em;
  color: #2a1109;
  background: linear-gradient(95deg, var(--gold) 0%, var(--amber) 42%, var(--coral) 100%);
  box-shadow: 0 10px 30px -8px rgba(255, 128, 87, 0.55), inset 0 1px 0 rgba(255,255,255,0.5);
  transition: transform .2s var(--ease-out), box-shadow .25s, filter .2s;
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 36px -8px rgba(255, 128, 87, 0.65), inset 0 1px 0 rgba(255,255,255,0.5); }
.btn-primary:active { transform: translateY(0); filter: brightness(.96); }

.login-foot {
  margin-top: 28px;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--text-faint);
}

.reveal { animation: card-reveal .8s var(--ease-out) both; }

@keyframes card-reveal {
  from { opacity: 0; transform: translateY(26px) scale(.985); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ============================================================
   APP SHELL
   ============================================================ */

.app-body { display: flex; flex-direction: column; height: 100dvh; overflow: hidden; }

.topbar {
  flex: 0 0 auto;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(12, 10, 34, 0.55);
  backdrop-filter: blur(22px) saturate(1.25);
  -webkit-backdrop-filter: blur(22px) saturate(1.25);
  z-index: 20;
}

.topbar-inner {
  max-width: 1060px;
  margin: 0 auto;
  padding: 12px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand { display: flex; align-items: center; gap: 12px; }

.brand-text { display: flex; flex-direction: column; line-height: 1.25; }

.brand-name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 480;
  color: var(--cream);
  letter-spacing: 0.005em;
}

.brand-tag {
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.mock-pill { color: var(--amber); }

.topbar-controls { display: flex; align-items: center; gap: 12px; }

.model-picker {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px 6px 14px;
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  background: var(--glass);
}

.model-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.model-picker select {
  appearance: none;
  -webkit-appearance: none;
  border: none;
  background: transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23b3a9c9' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 4px center;
  padding: 4px 22px 4px 2px;
  color: var(--text);
  font: 500 12.5px var(--font-body);
  cursor: pointer;
}

.model-picker select:focus { outline: none; }
.model-picker select option { background: var(--ink-1); color: var(--text); }

.user-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px 5px 6px;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: var(--glass);
}

.user-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font: 600 12px var(--font-body);
  color: #2a1109;
  background: linear-gradient(160deg, var(--gold), var(--coral));
}

.user-name { font-size: 13px; font-weight: 500; color: var(--text-dim); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  background: transparent;
  color: var(--text-dim);
  font: 500 12.5px var(--font-body);
  cursor: pointer;
  transition: color .2s, border-color .2s, background .2s;
}

.btn-ghost:hover { color: var(--cream); border-color: var(--glass-border-hi); background: var(--glass); }

/* ---------------- chat layout ---------------- */

.chat-shell {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.chat-scroll {
  flex: 1 1 auto;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.16) transparent;
}

.chat-scroll::-webkit-scrollbar { width: 8px; }
.chat-scroll::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.14); border-radius: 8px; }

.chat-column {
  max-width: 860px;
  margin: 0 auto;
  padding: 34px 22px 26px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

/* ---------------- empty state ---------------- */

.empty-state {
  text-align: center;
  padding: clamp(30px, 9vh, 90px) 10px 20px;
  animation: rise-in .9s var(--ease-out) both;
}

.empty-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 14px;
}

.empty-title {
  font-family: var(--font-display);
  font-size: clamp(44px, 8vw, 72px);
  font-weight: 340;
  letter-spacing: -0.015em;
  line-height: 1.05;
  color: var(--cream);
}

.empty-title em {
  font-style: italic;
  font-weight: 440;
  background: linear-gradient(92deg, var(--gold), var(--coral-soft) 80%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.empty-sub {
  max-width: 480px;
  margin: 18px auto 34px;
  font-size: 15px;
  color: var(--text-dim);
}

.suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  max-width: 640px;
  margin: 0 auto;
}

.suggestion {
  padding: 11px 18px;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: var(--glass);
  color: var(--text-dim);
  font: 450 13.5px var(--font-body);
  cursor: pointer;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all .25s var(--ease-out);
}

.suggestion:hover {
  color: var(--cream);
  border-color: var(--glass-border-hi);
  background: var(--glass-strong);
  transform: translateY(-2px);
  box-shadow: 0 10px 26px -10px rgba(255, 140, 87, 0.35);
}

/* ---------------- messages ---------------- */

.msg { display: flex; animation: msg-in .5s var(--ease-out) both; }

@keyframes msg-in {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes rise-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.msg-user { justify-content: flex-end; }

.msg-user .bubble {
  max-width: 78%;
  padding: 13px 18px;
  border-radius: 20px 20px 6px 20px;
  background: linear-gradient(120deg, rgba(255, 180, 87, 0.2), rgba(255, 111, 97, 0.22));
  border: 1px solid rgba(255, 165, 110, 0.3);
  color: var(--cream);
  font-size: 14.5px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  box-shadow: var(--shadow-card);
}

.msg-bot { flex-direction: column; gap: 14px; }

.bot-head {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.bot-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: linear-gradient(180deg, var(--amber), var(--coral));
  box-shadow: 0 0 10px rgba(255, 150, 87, 0.8);
}

.bot-body {
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  background: linear-gradient(168deg, rgba(255,255,255,0.075), rgba(255,255,255,0.028) 60%);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px) saturate(1.25);
  -webkit-backdrop-filter: blur(20px) saturate(1.25);
  box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255,255,255,0.1);
}

/* markdown inside bot bubble */
.md { font-size: 14.5px; color: var(--text); }
.md > * + * { margin-top: 0.85em; }
.md h1, .md h2, .md h3 {
  font-family: var(--font-display);
  font-weight: 460;
  color: var(--cream);
  letter-spacing: 0.002em;
  line-height: 1.25;
}
.md h1 { font-size: 24px; }
.md h2 { font-size: 20px; margin-top: 1.3em; }
.md h3 { font-size: 16.5px; }
.md strong { color: var(--gold); font-weight: 600; }
.md em { color: var(--coral-soft); }
.md a { color: var(--amber); text-decoration-color: rgba(255,180,87,.4); }
.md ul, .md ol { padding-left: 1.3em; display: grid; gap: 4px; }
.md li::marker { color: var(--coral-soft); }
.md code {
  font-size: 12.5px;
  background: rgba(10, 9, 32, 0.6);
  border: 1px solid var(--glass-border);
  border-radius: 6px;
  padding: 1px 6px;
}
.md pre { background: rgba(10,9,32,.6); border: 1px solid var(--glass-border); border-radius: 12px; padding: 14px; overflow-x: auto; }
.md pre code { background: none; border: none; padding: 0; }
.md blockquote { border-left: 3px solid var(--coral); padding-left: 14px; color: var(--text-dim); font-style: italic; }
.md hr { border: none; height: 1px; background: linear-gradient(90deg, transparent, var(--glass-border-hi), transparent); }
.md table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.md th {
  text-align: left;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
  padding: 8px 12px;
  border-bottom: 1px solid var(--glass-border-hi);
}
.md td { padding: 8px 12px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.md tr:last-child td { border-bottom: none; color: var(--gold); }

/* itinerary timeline treatment */
.itinerary { margin-top: 1.2em; display: grid; gap: 0; }

.itin-day {
  position: relative;
  padding: 4px 0 22px 34px;
}

.itin-day::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 26px;
  bottom: -2px;
  width: 2px;
  background: linear-gradient(180deg, rgba(255,160,97,0.55), rgba(255,160,97,0.08));
}

.itin-day:last-child::before { display: none; }

.itin-day::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 8px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: linear-gradient(180deg, var(--amber), var(--coral));
  box-shadow: 0 0 0 4px rgba(255, 150, 87, 0.15), 0 0 12px rgba(255, 150, 87, 0.6);
}

.itin-day h2, .itin-day h3 { margin-top: 0 !important; }

.itin-day .itin-body > * + * { margin-top: 0.7em; }
.itin-day .itin-body { margin-top: 0.55em; font-size: 14px; }

/* ---------------- tool activity + cards ---------------- */

.tool-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  align-self: flex-start;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: rgba(16, 13, 42, 0.55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-dim);
  animation: msg-in .4s var(--ease-out) both;
}

.tool-chip .spinner {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  border: 2px solid rgba(255, 180, 87, 0.25);
  border-top-color: var(--amber);
  animation: spin .8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.tool-chip.done .spinner {
  border: none;
  animation: none;
  background: linear-gradient(160deg, var(--amber), var(--coral));
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='black' stroke-width='4' stroke-linecap='round' stroke-linejoin='round' d='M4 13l5 5L20 6'/%3E%3C/svg%3E") center/contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='black' stroke-width='4' stroke-linecap='round' stroke-linejoin='round' d='M4 13l5 5L20 6'/%3E%3C/svg%3E") center/contain no-repeat;
}

.tool-chip .tool-verb { color: var(--cream); }

.cards-block { display: grid; gap: 10px; animation: msg-in .5s var(--ease-out) both; }

.cards-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-faint);
  display: flex;
  align-items: center;
  gap: 10px;
}

.cards-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--glass-border), transparent);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}

.card {
  border-radius: var(--radius-md);
  padding: 16px 18px;
  background: linear-gradient(165deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03));
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(18px) saturate(1.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
  box-shadow: var(--shadow-card);
  transition: transform .3s var(--ease-out), border-color .3s, box-shadow .3s;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 214, 163, 0.5), transparent);
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--glass-border-hi);
  box-shadow: 0 18px 44px -14px rgba(3, 2, 16, 0.9), 0 0 0 1px rgba(255,190,130,0.06);
}

/* flight card */
.flight-card .fc-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 12px;
}

.airline { font-weight: 600; font-size: 13.5px; color: var(--cream); }
.flight-no { font-size: 11px; color: var(--text-faint); letter-spacing: .06em; }

.price {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 500;
  color: var(--gold);
  white-space: nowrap;
}

.price small { font: 500 10px var(--font-body); color: var(--text-faint); letter-spacing: .08em; }

.route {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.route .port { display: grid; line-height: 1.2; }
.route .port:last-child { text-align: right; }
.route .code { font-weight: 600; font-size: 14px; color: var(--cream); }
.route .time { font-size: 11.5px; color: var(--text-dim); }

.route-line {
  flex: 1;
  height: 14px;
  position: relative;
}

.route-line::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  border-top: 1.5px dashed rgba(255, 180, 87, 0.45);
}

.route-line::after {
  content: "✈";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -54%);
  font-size: 11px;
  color: var(--coral-soft);
  background: transparent;
}

.fc-meta { display: flex; gap: 8px; flex-wrap: wrap; }

.pill {
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: rgba(10, 9, 32, 0.35);
}

.pill.hot { color: var(--amber); border-color: rgba(255, 180, 87, 0.35); }

/* hotel card */
.hotel-card .hc-top { display: flex; justify-content: space-between; gap: 10px; align-items: flex-start; margin-bottom: 4px; }
.hotel-name { font-family: var(--font-display); font-size: 16.5px; font-weight: 480; color: var(--cream); line-height: 1.25; }
.stars { color: var(--amber); font-size: 11px; letter-spacing: 2px; margin-bottom: 2px; }
.hotel-area { font-size: 11.5px; color: var(--text-faint); letter-spacing: .05em; text-transform: uppercase; margin-bottom: 8px; }
.hotel-vibe { font-size: 12.5px; color: var(--text-dim); font-style: italic; margin-bottom: 12px; }
.amenities { display: flex; flex-wrap: wrap; gap: 6px; }

/* activity card */
.act-card .ac-top { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; margin-bottom: 6px; }
.act-name { font-weight: 600; font-size: 14px; color: var(--cream); line-height: 1.3; }
.act-cat {
  flex: 0 0 auto;
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--coral-soft);
  border: 1px solid rgba(255, 138, 112, 0.35);
  padding: 3px 8px;
  border-radius: 999px;
}
.act-desc { font-size: 12.5px; color: var(--text-dim); margin-bottom: 12px; }
.ac-meta { display: flex; gap: 8px; flex-wrap: wrap; }

/* typing indicator */
.typing { display: inline-flex; gap: 5px; padding: 6px 2px; }
.typing span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: linear-gradient(180deg, var(--amber), var(--coral));
  animation: typing-bounce 1.2s ease-in-out infinite;
}
.typing span:nth-child(2) { animation-delay: .15s; }
.typing span:nth-child(3) { animation-delay: .3s; }

@keyframes typing-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: .45; }
  30% { transform: translateY(-5px); opacity: 1; }
}

/* streaming caret */
.md .caret {
  display: inline-block;
  width: 8px;
  height: 15px;
  margin-left: 2px;
  vertical-align: -2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--amber), var(--coral));
  animation: caret-blink 1s steps(2) infinite;
}

@keyframes caret-blink { 50% { opacity: 0; } }

/* error card */
.error-card {
  border-radius: var(--radius-md);
  padding: 16px 20px;
  background: rgba(255, 87, 87, 0.09);
  border: 1px solid rgba(255, 111, 97, 0.35);
  color: #ffcfc5;
  font-size: 13.5px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  animation: msg-in .4s var(--ease-out) both;
}

.error-card .err-icon { flex: 0 0 auto; font-size: 16px; line-height: 1.4; }
.error-card .err-detail { display: block; margin-top: 6px; font-size: 11.5px; color: rgba(255, 207, 197, 0.65); font-family: ui-monospace, monospace; }

/* ---------------- composer ---------------- */

.composer-wrap {
  flex: 0 0 auto;
  padding: 10px 22px calc(16px + env(safe-area-inset-bottom));
  background: linear-gradient(180deg, transparent, rgba(10, 9, 32, 0.5) 40%);
}

.composer {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  align-items: flex-end;
  gap: 10px;
  padding: 10px 10px 10px 20px;
  border-radius: 24px;
  background: linear-gradient(165deg, rgba(255,255,255,0.1), rgba(255,255,255,0.045));
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(24px) saturate(1.3);
  -webkit-backdrop-filter: blur(24px) saturate(1.3);
  box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255,255,255,0.12);
  transition: border-color .25s, box-shadow .25s;
}

.composer:focus-within {
  border-color: var(--glass-border-hi);
  box-shadow: var(--shadow-lg), 0 0 0 4px rgba(255, 180, 87, 0.1), inset 0 1px 0 rgba(255,255,255,0.12);
}

.composer textarea {
  flex: 1;
  border: none;
  background: transparent;
  resize: none;
  color: var(--cream);
  font: 450 15px/1.5 var(--font-body);
  max-height: 160px;
  padding: 8px 0;
}

.composer textarea::placeholder { color: var(--text-faint); }
.composer textarea:focus { outline: none; }

.send-btn {
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  border: none;
  border-radius: 14px;
  display: grid;
  place-items: center;
  cursor: pointer;
  color: #2a1109;
  background: linear-gradient(135deg, var(--gold), var(--amber) 45%, var(--coral));
  box-shadow: 0 8px 22px -6px rgba(255, 128, 87, 0.55);
  transition: transform .2s var(--ease-out), box-shadow .2s, filter .2s, opacity .2s;
}

.send-btn:hover:not(:disabled) { transform: translateY(-2px) scale(1.03); box-shadow: 0 12px 28px -6px rgba(255, 128, 87, 0.65); }
.send-btn:disabled { opacity: .45; cursor: default; filter: saturate(.6); }

.composer-hint {
  max-width: 860px;
  margin: 9px auto 0;
  text-align: center;
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--text-faint);
}

/* ---------------- responsive ---------------- */

@media (max-width: 720px) {
  .user-name { display: none; }
  .btn-ghost span { display: none; }
  .model-label { display: none; }
  .brand-tag { display: none; }
  .chat-column { padding: 22px 14px 18px; }
  .composer-wrap { padding: 8px 12px calc(12px + env(safe-area-inset-bottom)); }
  .msg-user .bubble { max-width: 92%; }
  .cards-grid { grid-template-columns: 1fr; }
  .login-card { padding: 44px 26px 32px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}