/* ── Design Tokens ──────────────────────────────────────────────── */
:root {
  --bg:          #FAFAF8;
  --bg-card:     #FFFFFF;
  --bg-chip:     #F2F0EC;
  --text-primary:   #1A0A00;
  --text-secondary: #6B5C4E;
  --text-muted:     #A8967E;
  --accent:      #E8470A;
  --accent-hover:#C93A08;
  --accent-light:#FFF1EC;
  --success:     #2E7D32;
  --warning:     #E65100;
  --border:      #E0D8CE;
  --shadow-sm:   0 1px 4px rgba(26,10,0,.06);
  --shadow-md:   0 4px 16px rgba(26,10,0,.1);
  --shadow-lg:   0 12px 40px rgba(26,10,0,.15);

  --r-sm:  8px;
  --r-md:  14px;
  --r-lg:  20px;
  --r-xl:  28px;
  --r-full: 9999px;

  --dur-fast:   150ms;
  --dur-normal: 300ms;
  --dur-slow:   500ms;
  --ease:       cubic-bezier(.16,1,.3,1);
}

/* ── Reset ──────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-tap-highlight-color: transparent; }
body {
  font-family: 'Pretendard', 'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  min-height: 100dvh;
  overflow-x: hidden;
}
button { cursor: pointer; border: none; background: none; font: inherit; }
a { color: inherit; }

/* ── App Shell ──────────────────────────────────────────────────── */
#app {
  position: relative;
  max-width: 480px;
  margin: 0 auto;
  min-height: 100dvh;
  overflow: hidden;
}

/* ── Progress Bar ───────────────────────────────────────────────── */
.progress-wrap {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 480px;
  z-index: 100;
  padding: 10px 20px 0;
  background: var(--bg);
}
.progress-track {
  height: 3px;
  background: var(--border);
  border-radius: var(--r-full);
  overflow: hidden;
}
#progress-bar {
  height: 100%;
  background: var(--accent);
  border-radius: var(--r-full);
  width: 0%;
  transition: width var(--dur-slow) var(--ease);
}
.progress-dots {
  display: flex;
  justify-content: space-between;
  padding: 6px 0 0;
}
.progress-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border);
  transition: background var(--dur-normal) var(--ease),
              transform var(--dur-normal) var(--ease);
}
.progress-dot.active  { background: var(--accent); }
.progress-dot.current { transform: scale(1.5); }

/* ── Screens ────────────────────────────────────────────────────── */
.screen {
  position: absolute;
  inset: 0;
  min-height: 100dvh;
  background: var(--bg);
  transform: translateX(100%);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--dur-slow) var(--ease),
              opacity var(--dur-slow) var(--ease);
  overflow-y: auto;
}
.screen--active {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}
.screen--exit {
  transform: translateX(-30%);
  opacity: 0;
}

/* ── Screen: Splash ─────────────────────────────────────────────── */
#screen-splash {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--text-primary);
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}
.splash-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 32px 24px;
  text-align: center;
}
.splash-emoji { font-size: 72px; animation: splashPop .6s var(--ease) .3s both; }
.splash-title {
  font-size: clamp(2rem, 9vw, 3rem);
  font-weight: 800;
  color: #FAFAF8;
  letter-spacing: -.02em;
  animation: splashFade .6s var(--ease) .5s both;
}
.splash-wit {
  font-size: clamp(.95rem, 3.5vw, 1.1rem);
  color: rgba(250,250,248,.65);
  line-height: 1.6;
  animation: splashFade .6s var(--ease) .65s both;
}
.splash-sub {
  font-size: .9rem;
  color: var(--text-muted);
  animation: splashFade .6s var(--ease) .8s both;
}
.btn-splash-start {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 20px;
  padding: 18px 48px;
  cursor: pointer;
  animation: splashFade .6s var(--ease) 1s both;
  transition: transform .15s var(--ease), box-shadow .15s var(--ease);
  box-shadow: 0 8px 24px rgba(0,0,0,.35);
}
.btn-splash-start:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(0,0,0,.45); }
.btn-splash-start:active { transform: translateY(0); box-shadow: 0 4px 12px rgba(0,0,0,.3); }
.btn-splash-rumble {
  font-size: clamp(1.6rem, 7vw, 2rem);
  font-weight: 900;
  letter-spacing: .04em;
  animation: rumble 1.8s ease-in-out 1.6s infinite;
}
.btn-splash-hint {
  font-size: .85rem;
  opacity: .85;
  font-weight: 500;
}
@keyframes splashPop  { from { transform: scale(.5); opacity: 0; } to { transform: scale(1); opacity: 1; } }
@keyframes splashFade { from { transform: translateY(12px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes rumble {
  0%, 100% { transform: rotate(0deg) scale(1); }
  15%       { transform: rotate(-4deg) scale(1.05); }
  30%       { transform: rotate(4deg) scale(1.05); }
  45%       { transform: rotate(-3deg) scale(1.03); }
  60%       { transform: rotate(3deg) scale(1.03); }
  75%       { transform: rotate(0deg) scale(1); }
}

/* ── Screen headers ─────────────────────────────────────────────── */
.screen-header {
  padding: 64px 24px 20px;
}
.screen-header h2 {
  font-size: clamp(1.4rem, 6vw, 2rem);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.2;
}
.screen-header p {
  margin-top: 8px;
  color: var(--text-secondary);
  font-size: .9rem;
}

/* ── Back button ────────────────────────────────────────────────── */
.btn-back {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 10;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--text-primary);
  transition: background var(--dur-fast);
}
.btn-back:hover { background: var(--bg-chip); }

/* ── Primary CTA button ─────────────────────────────────────────── */
.btn-primary {
  display: block;
  width: calc(100% - 48px);
  margin: 0 24px;
  padding: 16px;
  background: var(--accent);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--r-full);
  text-align: center;
  transition: background var(--dur-fast), transform var(--dur-fast);
  box-shadow: 0 4px 14px rgba(232,71,10,.35);
}
.btn-primary:hover  { background: var(--accent-hover); }
.btn-primary:active { transform: scale(.97); }

/* ── Screen footer ──────────────────────────────────────────────── */
.screen-footer {
  padding: 16px 24px 40px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ── Region Step ────────────────────────────────────────────────── */
#region-content {
  padding: 8px 24px 24px;
}
.btn-nearby {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--accent);
  border-radius: var(--r-md);
  background: var(--accent-light);
  color: var(--accent);
  font-weight: 700;
  font-size: .95rem;
  margin-bottom: 20px;
  transition: background var(--dur-fast);
}
.btn-nearby:hover { background: #FFE0D0; }

.city-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.city-chip {
  padding: 12px 8px;
  border: 2px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-card);
  font-size: .88rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: center;
  transition: border-color var(--dur-fast), background var(--dur-fast), color var(--dur-fast);
}
.city-chip:hover  { border-color: var(--accent); color: var(--accent); }
.city-chip.active { border-color: var(--accent); background: var(--accent); color: #fff; }

.district-panel {
  margin-top: 20px;
  animation: fadeUp var(--dur-normal) var(--ease);
}
@keyframes fadeUp { from { opacity:0; transform:translateY(12px); } to { opacity:1; transform:translateY(0); } }

.district-section { margin-bottom: 16px; }
.district-label {
  font-size: .8rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 10px;
}
.district-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.district-chip {
  padding: 8px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-full);
  background: var(--bg-card);
  font-size: .85rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: border-color var(--dur-fast), background var(--dur-fast), color var(--dur-fast);
}
.district-chip:hover,
.district-chip.hotspot:hover { border-color: var(--accent); color: var(--accent); }
.district-chip.hotspot {
  background: var(--accent-light);
  border-color: transparent;
  color: var(--accent);
  font-weight: 600;
}
.btn-region-only {
  display: block;
  width: 100%;
  margin-top: 10px;
  padding: 12px;
  border: 1.5px dashed var(--border);
  border-radius: var(--r-md);
  font-size: .88rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: center;
  transition: border-color var(--dur-fast), color var(--dur-fast);
}
.btn-region-only:hover { border-color: var(--accent); color: var(--accent); }

/* ── Food Step ──────────────────────────────────────────────────── */
#food-content {
  padding: 8px 24px 24px;
}
.food-grid--primary {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 14px;
}
.food-grid--secondary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.food-card {
  border: 2px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--bg-card);
  text-align: center;
  transition: border-color var(--dur-fast), background var(--dur-fast), transform var(--dur-fast), box-shadow var(--dur-fast);
  position: relative;
  overflow: hidden;
}
.food-card--primary {
  padding: 22px 12px 18px;
}
.food-card--secondary {
  padding: 14px 8px 12px;
}
.food-card:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 16px rgba(232,71,10,.15);
}
.food-card.selected {
  border-color: var(--accent);
  background: var(--accent-light);
}
.food-card.selected::after {
  content: '✓';
  position: absolute;
  top: 8px;
  right: 10px;
  font-size: .75rem;
  font-weight: 800;
  color: var(--accent);
}
.food-emoji {
  display: block;
  font-size: 2.2rem;
  line-height: 1;
  margin-bottom: 8px;
}
.food-card--secondary .food-emoji { font-size: 1.6rem; margin-bottom: 6px; }
.food-label {
  display: block;
  font-size: .95rem;
  font-weight: 700;
  color: var(--text-primary);
}
.food-card--secondary .food-label { font-size: .82rem; }
.food-desc {
  display: block;
  font-size: .75rem;
  color: var(--text-muted);
  margin-top: 4px;
}
.btn-more-food {
  display: block;
  width: 100%;
  padding: 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-md);
  font-size: .88rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: center;
  transition: border-color var(--dur-fast), color var(--dur-fast);
  margin-bottom: 12px;
}
.btn-more-food:hover { border-color: var(--accent); color: var(--accent); }
.food-secondary.hidden { display: none; }

/* ── Filter Step ────────────────────────────────────────────────── */
#filter-content {
  padding: 8px 24px 24px;
}
.filter-group { margin-bottom: 24px; }
.filter-group-label {
  font-size: .82rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 10px;
}
.filter-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-chip {
  padding: 8px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-full);
  background: var(--bg-card);
  font-size: .88rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: border-color var(--dur-fast), background var(--dur-fast), color var(--dur-fast);
}
.filter-chip:hover { border-color: var(--accent); color: var(--accent); }
.filter-chip.active {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}
.btn-skip {
  background: transparent;
  color: var(--text-muted);
  font-size: .9rem;
  text-align: center;
  text-decoration: underline;
  text-underline-offset: 3px;
  padding: 8px;
}

/* ── Results ────────────────────────────────────────────────────── */
#screen-results { padding-top: 52px; }
.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
}
.results-count { font-size: .88rem; color: var(--text-secondary); display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.results-count strong { color: var(--text-primary); font-weight: 700; }
.nearby-badge { background: #fff3cd; color: #856404; font-size: .78rem; padding: 2px 8px; border-radius: 20px; font-weight: 600; }
.sort-btns { display: flex; gap: 6px; }
.sort-btn {
  padding: 6px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-full);
  font-size: .8rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: border-color var(--dur-fast), color var(--dur-fast);
}
.sort-btn.active { border-color: var(--accent); color: var(--accent); }

/* ── Result Card ────────────────────────────────────────────────── */
.result-card {
  display: flex;
  gap: 14px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
  transition: background var(--dur-fast);
}
.result-card:hover { background: var(--accent-light); }
.result-card.card--highlighted { background: #FFF1EC; outline: 2px solid var(--accent); }

.card-image {
  position: relative;
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  border-radius: var(--r-md);
  background: var(--bg-chip);
  display: flex;
  align-items: center;
  justify-content: center;
}
.card-emoji  { font-size: 2rem; }
.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--r-md);
  display: block;
}
.card-rank {
  position: absolute;
  top: -6px;
  left: -6px;
  width: 22px;
  height: 22px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  font-size: .7rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-body { flex: 1; min-width: 0; }
.card-top {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 4px;
}
.card-name {
  font-size: 1rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card-distance {
  flex-shrink: 0;
  font-size: .78rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-light);
  padding: 2px 7px;
  border-radius: var(--r-full);
}
.card-category {
  display: inline-block;
  font-size: .75rem;
  color: var(--text-muted);
  background: var(--bg-chip);
  padding: 2px 8px;
  border-radius: var(--r-full);
  margin-bottom: 5px;
}
.card-address {
  font-size: .8rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}
.card-phone {
  display: block;
  font-size: .8rem;
  color: var(--text-secondary);
  text-decoration: none;
  margin-bottom: 10px;
}
.card-phone:hover { color: var(--accent); }

.card-actions {
  display: flex;
  gap: 8px;
}
.btn-navi {
  padding: 7px 14px;
  background: var(--text-primary);
  color: #fff;
  border-radius: var(--r-full);
  font-size: .8rem;
  font-weight: 700;
  text-decoration: none;
  transition: background var(--dur-fast);
}
.btn-navi:hover { background: var(--accent); }
.btn-review {
  padding: 7px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-full);
  font-size: .78rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  transition: border-color var(--dur-fast), color var(--dur-fast);
}
.btn-review:hover { border-color: var(--accent); color: var(--accent); }

/* ── Dong Input ─────────────────────────────────────────────────── */
.dong-input-wrap {
  margin-top: 16px;
  animation: fadeUp var(--dur-normal) var(--ease);
}
.dong-optional {
  font-size: .75rem;
  font-weight: 400;
  color: var(--text-muted);
  text-transform: none;
  letter-spacing: 0;
}
.dong-row {
  display: flex;
  gap: 8px;
  align-items: center;
}
.dong-input {
  flex: 1;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-md);
  font: inherit;
  font-size: .9rem;
  color: var(--text-primary);
  background: var(--bg-card);
  outline: none;
  transition: border-color var(--dur-fast);
}
.dong-input:focus { border-color: var(--accent); }
.btn-dong-next {
  padding: 12px 18px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--r-md);
  font-size: .9rem;
  font-weight: 700;
  white-space: nowrap;
  transition: background var(--dur-fast);
}
.btn-dong-next:hover { background: var(--accent-hover); }

/* ── Load More ──────────────────────────────────────────────────── */
.load-more-wrap { padding: 20px; text-align: center; }
.btn-load-more {
  padding: 12px 32px;
  border: 2px solid var(--border);
  border-radius: var(--r-full);
  font-size: .9rem;
  font-weight: 700;
  color: var(--text-secondary);
  transition: border-color var(--dur-fast), color var(--dur-fast);
}
.btn-load-more:hover { border-color: var(--accent); color: var(--accent); }

.btn-new-search {
  display: block;
  margin: 0 auto 40px;
  padding: 12px 28px;
  background: var(--bg-chip);
  border-radius: var(--r-full);
  font-size: .9rem;
  font-weight: 700;
  color: var(--text-secondary);
  transition: background var(--dur-fast), color var(--dur-fast);
}
.btn-new-search:hover { background: var(--accent-light); color: var(--accent); }

/* ── Loading / Empty ────────────────────────────────────────────── */
.loading-state,
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 60px 24px;
  gap: 12px;
}
.empty-icon { font-size: 3rem; }
.empty-state p { font-size: .95rem; color: var(--text-secondary); }
.empty-state .empty-sub { font-size: .85rem; color: var(--text-muted); }
.btn-retry {
  margin-top: 8px;
  padding: 10px 24px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--r-full);
  font-size: .9rem;
  font-weight: 700;
}

/* ── Spinner ────────────────────────────────────────────────────── */
.spinner, .spinner-sm {
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
.spinner    { width: 40px; height: 40px; }
.spinner-sm { width: 16px; height: 16px; border-width: 2px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Toast ──────────────────────────────────────────────────────── */
#toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--text-primary);
  color: #fff;
  padding: 12px 22px;
  border-radius: var(--r-full);
  font-size: .88rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  white-space: nowrap;
  z-index: 1000;
  transition: opacity var(--dur-normal), transform var(--dur-normal) var(--ease);
}
#toast.toast--show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
#toast.toast--warning { background: var(--warning); }
#toast.toast--error   { background: #C62828; }
#toast.toast--success { background: var(--success); }

/* ── Banner ─────────────────────────────────────────────────────── */
#banner {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%) translateY(-100%);
  width: 100%;
  max-width: 480px;
  background: var(--text-primary);
  color: #fff;
  padding: 12px 20px;
  font-size: .85rem;
  font-weight: 500;
  text-align: center;
  z-index: 200;
  transition: transform var(--dur-normal) var(--ease);
}
#banner.banner--show { transform: translateX(-50%) translateY(0); }
#banner.banner--warning { background: var(--warning); }
#banner.banner--info    { background: #0277BD; }

/* ── Utility ────────────────────────────────────────────────────── */
.hidden { display: none !important; }

/* ── Desktop ────────────────────────────────────────────────────── */
@media (min-width: 900px) {
  #app { max-width: 900px; }
  .progress-wrap { max-width: 900px; }
}