:root {
  --bg: #f8fafc;
  --bg-gradient: radial-gradient(90% 90% at 20% 15%, rgba(14,165,233,0.08), transparent), linear-gradient(180deg, #f8fafc 0%, #eef2f7 100%);
  --panel: #ffffff;
  --card: #f3f6fb;
  --accent: #2563eb;
  --accent-2: #0ea5e9;
  --text: #0f172a;
  --muted: #4b5563;
  --border: #e5e7eb;
  --success: #0d9488;
  --warn: #d97706;
  --button-text: #f8fafc;
  --tag-bg: #e0f2fe;
  --tag-text: #0f172a;
  --ghost-border: #0ea5e9;
  --ghost-text: #0f172a;
  --ghost-hover: rgba(14,165,233,0.12);
  --meta-bg: #e8edf5;
  font-size: 16px;
  color-scheme: light;
}

:root[data-theme="light"] {
  --bg: #f8fafc;
  --bg-gradient: radial-gradient(90% 90% at 20% 15%, rgba(14,165,233,0.08), transparent), linear-gradient(180deg, #f8fafc 0%, #eef2f7 100%);
  --panel: #ffffff;
  --card: #f3f6fb;
  --accent: #2563eb;
  --accent-2: #0ea5e9;
  --text: #0f172a;
  --muted: #4b5563;
  --border: #e5e7eb;
  --success: #0d9488;
  --warn: #d97706;
  --button-text: #f8fafc;
  --tag-bg: #e0f2fe;
  --tag-text: #0f172a;
  --ghost-border: #0ea5e9;
  --ghost-text: #0f172a;
  --ghost-hover: rgba(14,165,233,0.12);
  --meta-bg: #e8edf5;
  color-scheme: light;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Pretendard", "Noto Sans KR", "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg-gradient);
  color: var(--text);
}

.page-header {
  padding: 20px 20px 12px;
  text-align: center;
}
.top-bar {
  display: flex;
  position: relative;
  justify-content: flex-end;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.switchers {
  display: flex;
  gap: 8px;
  position: static;
  transform: none;
}
.share-inline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.share-inline .ghost-button {
  border: none;
  background: transparent;
  box-shadow: none;
  padding: 6px;
}
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.panel-header h1,
.panel-header h2 {
  margin: 0;
}
.page-brand {
  font-size: 1.6rem;
  font-weight: 700;
  text-align: center;
}
.page-subtitle {
  margin-top: 8px;
  color: var(--muted);
}
.lang-switcher select {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 8px 10px;
}
.page-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px 48px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  box-shadow: 0 18px 50px rgba(0,0,0,0.4);
}
.panel-header h1,
.panel-header h2 {
  margin: 0;
}
.results-panel .panel-header h2 {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 8px;
}
.panel-header p {
  margin: 6px 0 0;
  color: var(--muted);
}

.input-panel .input-row {
  margin-top: 14px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}
.input-group {
  display: flex;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 8px 12px;
  min-width: 240px;
}
.input-prefix { color: var(--muted); margin-right: 8px; }
#budget-input {
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 1.1rem;
  width: 100%;
  outline: none;
}
#currency-select {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 12px;
}
.primary-button {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--button-text);
  border: none;
  border-radius: 12px;
  padding: 12px 18px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease;
}
.primary-button:hover { transform: translateY(-1px); box-shadow: 0 10px 30px rgba(37,99,235,0.28); }
.primary-button:active { transform: translateY(0); }

:root[data-theme="light"] .primary-button {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--button-text);
  box-shadow: 0 10px 30px rgba(37,99,235,0.22);
}
 :root[data-theme="light"] .primary-button:hover {
  box-shadow: 0 12px 36px rgba(37,99,235,0.32);
}

.preset-row {
  margin-top: 12px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.filter-button {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 8px 12px;
  border-radius: 10px;
  cursor: pointer;
  transition: border-color 120ms ease, background 120ms ease, transform 120ms ease;
}
.filter-button:hover { border-color: var(--accent); transform: translateY(-1px); }
.filter-button.active {
  border-color: var(--accent);
  background: rgba(37,99,235,0.12);
  color: var(--text);
}
:root[data-theme="light"] .filter-button.active {
  background: rgba(37,99,235,0.12);
  border-color: var(--accent);
}
.chip {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 8px 12px;
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 120ms ease, transform 120ms ease;
}
.chip:hover { border-color: var(--accent); transform: translateY(-1px); }

.action-row {
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.share-actions {
  align-items: stretch;
}
.ghost-button {
  background: rgba(255,255,255,0.02);
  color: var(--ghost-text);
  border: 1px solid var(--ghost-border);
  border-radius: 12px;
  padding: 10px 14px;
  cursor: pointer;
  transition: background 120ms ease, transform 120ms ease;
}
.ghost-button:hover { background: var(--ghost-hover); transform: translateY(-1px); }
.status-text {
  color: var(--muted);
  min-height: 1em;
}
#share-status {
  position: fixed;
  left: 50%;
  bottom: 100px;
  background: rgba(15, 23, 42, 0.92);
  color: #f8fafc;
  padding: 10px 14px;
  border-radius: 12px;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.25);
  opacity: 0;
  transform: translate(-50%, 12px);
  pointer-events: none;
  transition: opacity 260ms cubic-bezier(0.22, 1, 0.36, 1), transform 260ms cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 20;
  will-change: opacity, transform;
}
:root[data-theme="light"] #share-status {
  background: rgba(15, 23, 42, 0.92);
  color: #f8fafc;
}
#share-status.visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.card-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.item-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 150px;
}
.item-card .meta {
  color: var(--muted);
  font-size: 0.95rem;
}
.item-card .meta-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.meta-label {
  font-size: 0.85rem;
  padding: 4px 8px;
  border-radius: 10px;
  background: var(--meta-bg);
  color: var(--text);
  flex-shrink: 0;
}
.meta-value {
  font-weight: 700;
  color: var(--accent-2);
}
.remainder-line .meta-value.exact {
  color: var(--muted);
}
.item-card .meta-line + .meta-line {
  margin-top: 2px;
}
.item-card .item-title {
  font-size: 1.05rem;
  font-weight: 700;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 8px;
  align-items: center;
}
.item-card .item-name {
  white-space: normal;
  word-break: keep-all;
  flex: 1 1 auto;
}
.inline-tag {
  font-size: 0.8rem;
  vertical-align: middle;
  flex-shrink: 0;
  cursor: pointer;
}
.item-card .count {
  font-size: 1.5rem;
  font-weight: 700;
}
.item-card .tag {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 0.85rem;
  background: var(--tag-bg);
  color: var(--tag-text);
}

.panel-note {
  margin: 8px 0;
  font-size: 0.95rem;
  color: var(--muted);
}
.panel-note.inline-note { text-align: right; margin-top: 4px; }
.panel-note.dual-note {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.compare-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 0.95rem;
}
.compare-toggle input {
  accent-color: var(--accent);
}

.placeholder-box {
  margin-top: 12px;
  padding: 18px;
  border: 1px dashed var(--accent);
  border-radius: 12px;
  color: var(--muted);
  background: rgba(37,99,235,0.05);
}

.page-footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 16px 28px;
  color: var(--muted);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  flex-direction: column;
}
.footer-share {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.share-buttons {
  display: flex;
  gap: 10px;
}
.share-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  font-weight: 700;
}
.share-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.share-icon.generic { color: var(--text); }
.share-icon.kakao { background: #fee500; color: #181600; }
.share-icon.insta { background: linear-gradient(135deg, #f58529, #dd2a7b, #8134af, #515bd4); color: #fff; }
.share-icon.twitter { background: #0f1419; color: #fff; }
.share-buttons .ghost-button {
  border: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

@media (max-width: 640px) {
  .input-group { min-width: 0; flex: 1; }
  .primary-button { width: 100%; }
  .input-panel .input-row { align-items: stretch; }
}