/* ═══════════════════════════════════════════════
   Yumi Pick — Design System
   ═══════════════════════════════════════════════ */
:root {
  --orange:      #F97316;
  --orange-dark: #EA580C;
  --orange-pale: #FFF7ED;
  --amber:       #F59E0B;
  --bg:          #FAFAF8;
  --surface:     #FFFFFF;
  --border:      #EBEBEA;
  --text:        #1C1917;
  --muted:       #78716C;
  --light:       #A8A29E;
  --shadow-xs:   0 1px 2px rgba(0,0,0,.05);
  --shadow-sm:   0 2px 8px rgba(0,0,0,.07);
  --shadow-md:   0 8px 24px rgba(0,0,0,.09);
  --shadow-lg:   0 20px 48px rgba(0,0,0,.12);
  --radius-sm:   8px;
  --radius:      14px;
  --radius-lg:   20px;
  --font:        'Inter','Noto Sans SC',system-ui,sans-serif;
}

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

html, body {
  height: 100%;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

/* ═══════════════════════════════════════════════
   LANDING
   ═══════════════════════════════════════════════ */
.landing {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #FDFAF6;
  z-index: 10;
  overflow: hidden;
  transition: opacity .4s ease, transform .4s ease;
}

.landing.hide {
  opacity: 0;
  transform: scale(0.98);
  pointer-events: none;
}

/* Gradient blobs */
.landing-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.landing-blob-1 {
  width: 600px; height: 600px;
  top: -150px; left: -100px;
  background: radial-gradient(circle, rgba(249,115,22,.18) 0%, transparent 70%);
  animation: blobFloat 8s ease-in-out infinite;
}
.landing-blob-2 {
  width: 500px; height: 500px;
  bottom: -100px; right: -80px;
  background: radial-gradient(circle, rgba(245,158,11,.15) 0%, transparent 70%);
  animation: blobFloat 10s ease-in-out infinite reverse;
}
.landing-blob-3 {
  width: 400px; height: 400px;
  top: 40%; left: 55%;
  background: radial-gradient(circle, rgba(234,88,12,.10) 0%, transparent 70%);
  animation: blobFloat 12s ease-in-out infinite 2s;
}

@keyframes blobFloat {
  0%, 100% { transform: translateY(0) scale(1); }
  50%       { transform: translateY(-30px) scale(1.05); }
}

.landing-content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 680px;
  padding: 40px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}

.landing-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -.3px;
}
.landing-logo-icon {
  font-size: 32px;
  line-height: 1;
  filter: drop-shadow(0 4px 8px rgba(249,115,22,.3));
}

.landing-title {
  font-size: clamp(32px, 6vw, 52px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1.5px;
  color: var(--text);
}

.gradient-text {
  background: linear-gradient(135deg, #F97316 0%, #F59E0B 50%, #EA580C 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.landing-sub {
  font-size: 16px;
  line-height: 1.65;
  color: var(--muted);
  max-width: 460px;
}

/* Landing input */
.landing-input-wrap {
  width: 100%;
  display: flex;
  align-items: flex-end;
  gap: 0;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px 14px 14px 20px;
  box-shadow: var(--shadow-md);
  transition: border-color .15s, box-shadow .15s;
}
.landing-input-wrap:focus-within {
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(249,115,22,.1), var(--shadow-md);
}

.landing-input-wrap textarea {
  flex: 1;
  border: none;
  background: transparent;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.55;
  color: var(--text);
  resize: none;
  outline: none;
  max-height: 120px;
  overflow-y: auto;
}
.landing-input-wrap textarea::placeholder { color: var(--light); }

.landing-send {
  width: 42px;
  height: 42px;
  border-radius: var(--radius);
  background: var(--orange);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
  transition: all .15s;
}
.landing-send:hover:not(:disabled) {
  background: var(--orange-dark);
  transform: scale(1.06);
}
.landing-send:disabled { background: var(--border); cursor: not-allowed; }
.landing-send:disabled svg { color: var(--light); }

/* Chips */
.chips-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  width: 100%;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 8px 14px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 100px;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  transition: all .15s;
  white-space: nowrap;
  box-shadow: var(--shadow-xs);
}
.chip:hover {
  background: var(--orange-pale);
  border-color: var(--orange);
  color: var(--orange-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.chip-sm { padding: 6px 12px; font-size: 12.5px; }

.landing-note {
  font-size: 12.5px;
  color: var(--light);
  display: flex;
  align-items: center;
  gap: 8px;
}
.dot-sep { opacity: .5; }

/* ═══════════════════════════════════════════════
   CHAT APP
   ═══════════════════════════════════════════════ */
.app {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  z-index: 5;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .35s ease, transform .35s ease;
}
.app.show {
  opacity: 1;
  transform: translateY(0);
}

/* Header */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  height: 58px;
  background: rgba(250,250,248,.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.app-header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.app-logo {
  font-size: 26px;
  line-height: 1;
  filter: drop-shadow(0 2px 6px rgba(249,115,22,.25));
}

.app-logo-name {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -.3px;
  color: var(--text);
}
.app-logo-loc {
  font-size: 11.5px;
  color: var(--light);
  margin-top: 1px;
}

.new-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 100px;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  transition: all .15s;
  box-shadow: var(--shadow-xs);
}
.new-btn:hover {
  background: var(--orange-pale);
  border-color: var(--orange);
  color: var(--orange-dark);
}

/* Messages */
.messages {
  flex: 1;
  overflow-y: auto;
  padding: 28px 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  scroll-behavior: smooth;
}
.messages::-webkit-scrollbar { width: 4px; }
.messages::-webkit-scrollbar-track { background: transparent; }
.messages::-webkit-scrollbar-thumb { background: #DDD8D2; border-radius: 4px; }

/* Message rows */
.msg {
  display: flex;
  gap: 12px;
  max-width: 800px;
  width: 100%;
  margin: 0 auto;
  animation: msgIn .22s ease;
}
@keyframes msgIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.msg.user { flex-direction: row-reverse; }

.msg-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
  margin-top: 2px;
}
.msg.ai .msg-avatar {
  background: linear-gradient(135deg, #F97316, #FB923C);
  box-shadow: 0 2px 10px rgba(249,115,22,.35);
}
.msg.user .msg-avatar {
  background: linear-gradient(135deg, #7C3AED, #A78BFA);
  box-shadow: 0 2px 10px rgba(124,58,237,.25);
  font-size: 14px;
  font-weight: 700;
  color: white;
  letter-spacing: -.5px;
}

.msg-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: calc(100% - 46px);
}

.bubble {
  padding: 14px 18px;
  border-radius: var(--radius-lg);
  line-height: 1.68;
  font-size: 14.5px;
}

.msg.ai .bubble {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top-left-radius: 4px;
  box-shadow: var(--shadow-sm);
}

.msg.user .bubble {
  background: linear-gradient(135deg, #F97316, #FB923C);
  color: white;
  border-top-right-radius: 4px;
  box-shadow: 0 4px 16px rgba(249,115,22,.3);
}

/* Markdown inside bubbles */
.bubble p { margin-bottom: 8px; }
.bubble p:last-child { margin-bottom: 0; }
.bubble strong { font-weight: 600; }
.bubble em { font-style: italic; }
.bubble ul, .bubble ol { padding-left: 20px; margin: 6px 0; }
.bubble li { margin-bottom: 4px; }
.bubble h3 { font-size: 15px; font-weight: 700; margin: 12px 0 5px; }
.bubble h4 { font-size: 14px; font-weight: 600; margin: 10px 0 4px; }
.bubble code {
  background: rgba(0,0,0,.06);
  padding: 1px 6px;
  border-radius: 5px;
  font-size: 13px;
  font-family: 'SF Mono','Fira Code',monospace;
}
.msg.user .bubble code { background: rgba(255,255,255,.25); }
.bubble hr { border: none; border-top: 1px solid var(--border); margin: 10px 0; }

/* Typing dots */
.typing {
  display: flex;
  gap: 5px;
  align-items: center;
  padding: 6px 2px;
}
.typing span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
  opacity: .35;
  animation: pulse 1.2s ease infinite;
}
.typing span:nth-child(2) { animation-delay: .2s; }
.typing span:nth-child(3) { animation-delay: .4s; }
@keyframes pulse {
  0%, 80%, 100% { opacity: .35; transform: scale(1); }
  40% { opacity: 1; transform: scale(1.3); }
}

/* ═══════════════════════════════════════════════
   RESTAURANT CARDS
   ═══════════════════════════════════════════════ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
  width: 100%;
}

/* ── Black & Gold premium card ── */
.r-card {
  background: #0E0E0E;
  border: 1px solid rgba(201,168,76,0.22);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.55);
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.r-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 14px 40px rgba(201,168,76,0.14), 0 4px 24px rgba(0,0,0,0.65);
  border-color: rgba(201,168,76,0.5);
}

.r-card-header {
  padding: 18px 16px 16px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  position: relative;
}
.r-card-header::after {
  content: '';
  position: absolute;
  bottom: 0; left: 16px; right: 16px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201,168,76,0.45), transparent);
}

.r-card-emoji {
  font-size: 30px;
  line-height: 1;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,.5));
}

.r-price {
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 100px;
  background: rgba(0,0,0,.45);
  color: #E8C96A;
  border: 1px solid rgba(201,168,76,0.45);
  letter-spacing: .5px;
  backdrop-filter: blur(4px);
}

.r-card-body {
  padding: 14px 16px 16px;
}

.r-name {
  font-size: 15px;
  font-weight: 700;
  color: #F2ECD8;
  letter-spacing: -.2px;
  margin-bottom: 7px;
  line-height: 1.3;
}

.r-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 10px;
}
.r-tag {
  font-size: 11px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 100px;
  background: rgba(201,168,76,0.08);
  border: 1px solid rgba(201,168,76,0.22);
  color: #C9A84C;
}

.r-stars {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-bottom: 12px;
}
.r-stars-icons { color: #C9A84C; font-size: 13px; letter-spacing: 1.5px; }
.r-stars-num   { font-size: 13px; font-weight: 600; color: #F2ECD8; }
.r-stars-count { font-size: 12px; color: #6B6050; }

.r-divider { border: none; border-top: 1px solid rgba(201,168,76,0.14); margin: 10px 0; }

.r-info { display: flex; flex-direction: column; gap: 7px; }
.r-info-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 12.5px;
  line-height: 1.5;
  color: #7A7060;
}
.r-info-icon { font-size: 13px; flex-shrink: 0; margin-top: 1px; opacity: 0.75; }
.r-info-text  { flex: 1; color: #A89878; }

.r-card-footer {
  padding: 11px 16px;
  border-top: 1px solid rgba(201,168,76,0.1);
  display: flex;
  gap: 8px;
  background: rgba(201,168,76,0.03);
}

.r-btn {
  flex: 1;
  padding: 8px 6px;
  border-radius: 8px;
  font-family: var(--font);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all .18s;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.r-btn-map {
  background: linear-gradient(135deg, #B8962E 0%, #D4AE50 100%);
  border: none;
  color: #0E0E0E;
  box-shadow: 0 2px 8px rgba(184,150,46,0.3);
}
.r-btn-map:hover {
  background: linear-gradient(135deg, #C9A840 0%, #E2C060 100%);
  box-shadow: 0 4px 14px rgba(184,150,46,0.45);
  transform: translateY(-1px);
}
.r-btn-call {
  background: transparent;
  border: 1px solid rgba(201,168,76,0.32);
  color: #C9A84C;
}
.r-btn-call:hover {
  background: rgba(201,168,76,0.08);
  border-color: rgba(201,168,76,0.6);
  color: #E8C96A;
}

/* Cuisine header gradients — darkened for black card context */
.r-card-header[data-cuisine="american"]     { background: linear-gradient(135deg,#7C2D06,#9A3A0A); }
.r-card-header[data-cuisine="fine_dining"]  { background: linear-gradient(135deg,#0A0A0A,#1A1A2E); }
.r-card-header[data-cuisine="japanese"]     { background: linear-gradient(135deg,#831843,#9D174D); }
.r-card-header[data-cuisine="italian"]      { background: linear-gradient(135deg,#064E3B,#065F46); }
.r-card-header[data-cuisine="mexican"]      { background: linear-gradient(135deg,#78350F,#92400E); }
.r-card-header[data-cuisine="mediterranean"]{ background: linear-gradient(135deg,#1E1B4B,#312E81); }
.r-card-header[data-cuisine="turkish"]      { background: linear-gradient(135deg,#3B0764,#4C1D95); }
.r-card-header[data-cuisine="thai"]         { background: linear-gradient(135deg,#451A03,#78350F); }
.r-card-header[data-cuisine="indian"]       { background: linear-gradient(135deg,#7F1D1D,#991B1B); }
.r-card-header[data-cuisine="brewery"]      { background: linear-gradient(135deg,#1C0A00,#3B1A00); }
.r-card-header[data-cuisine="pub"]          { background: linear-gradient(135deg,#111827,#1F2937); }
.r-card-header[data-cuisine="cafe"]         { background: linear-gradient(135deg,#1C0A00,#2D1500); }
.r-card-header[data-cuisine="southern"]     { background: linear-gradient(135deg,#431407,#6B1E0B); }
.r-card-header[data-cuisine="latin"]        { background: linear-gradient(135deg,#2E1065,#78350F); }
.r-card-header[data-cuisine="seafood"]      { background: linear-gradient(135deg,#0C2340,#0F3460); }
.r-card-header[data-cuisine="steakhouse"]   { background: linear-gradient(135deg,#1A0000,#3B0000); }
.r-card-header[data-cuisine="spanish"]      { background: linear-gradient(135deg,#450A0A,#7F1D1D); }
.r-card-header[data-cuisine="korean"]       { background: linear-gradient(135deg,#042F2E,#0F4F4F); }
.r-card-header[data-cuisine="vietnamese"]   { background: linear-gradient(135deg,#052E16,#064E3B); }
.r-card-header[data-cuisine="chinese"]      { background: linear-gradient(135deg,#450A0A,#713F12); }
.r-card-header[data-cuisine="default"]      { background: linear-gradient(135deg,#1A0F00,#2D1A00); }

/* Star fill helper */
.star-full  { color: #F59E0B; }
.star-half  { color: #F59E0B; opacity: .6; }
.star-empty { color: #D1D5DB; }

/* ═══════════════════════════════════════════════
   CHAT BOTTOM
   ═══════════════════════════════════════════════ */
.chat-bottom {
  padding: 12px 20px 16px;
  background: rgba(250,250,248,.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.chat-input-wrap {
  display: flex;
  align-items: flex-end;
  gap: 0;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 12px 12px 12px 18px;
  box-shadow: var(--shadow-sm);
  transition: border-color .15s, box-shadow .15s;
  margin-bottom: 10px;
}
.chat-input-wrap:focus-within {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(249,115,22,.1), var(--shadow-sm);
}

.chat-input-wrap textarea {
  flex: 1;
  border: none;
  background: transparent;
  font-family: var(--font);
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--text);
  resize: none;
  outline: none;
  max-height: 120px;
  overflow-y: auto;
}
.chat-input-wrap textarea::placeholder { color: var(--light); }

.chat-send {
  width: 38px;
  height: 38px;
  border-radius: var(--radius);
  background: var(--orange);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
  transition: all .15s;
}
.chat-send:hover:not(:disabled) {
  background: var(--orange-dark);
  transform: scale(1.06);
}
.chat-send:disabled { background: var(--border); cursor: not-allowed; }
.chat-send:disabled svg { color: var(--light); }

.chat-chips { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 2px; }
.chat-chips::-webkit-scrollbar { display: none; }

.chat-hint {
  font-size: 11.5px;
  color: var(--light);
  text-align: center;
  margin-top: 8px;
}

/* ═══════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════ */
@media (max-width: 640px) {
  .landing-content { padding: 32px 16px; gap: 18px; }
  .landing-title { letter-spacing: -.8px; }
  .cards-grid { grid-template-columns: 1fr; }
  .messages { padding: 16px 12px; }
  .chat-bottom { padding: 10px 12px 14px; }
  .msg { max-width: 100%; }
  .new-btn span { display: none; }
  .new-btn { padding: 7px 10px; }
}