:root {
  --bg: #1a1a2e;
  --bg2: #22223a;
  --bg3: #2a2a45;
  --text: #e8e8f0;
  --text2: #a0a0b8;
  --text3: #6b6b85;
  --primary: #d97706;
  --primary-light: #f59e0b;
  --accent: #e74c5a;
  --border: #333355;
  --transition: all .15s;
  --success: #4ade80;
  --warning: #fbbf24;
  --danger: #ef4444;
  --info: #60a5fa;
}
[data-theme="light"] {
  --bg: #f5f5fa;
  --bg2: #fff;
  --bg3: #eee;
  --text: #1a1a2e;
  --text2: #555;
  --text3: #999;
  --primary: #b45309;
  --primary-light: #d97706;
  --border: #ddd;
  --accent: #e74c5a;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Pretendard Variable', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* Header */
.header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; background: var(--bg2);
  border-bottom: 2px solid var(--border);
  position: sticky; top: 0; z-index: 100;
}
.header h1 { font-size: 1.1rem; font-weight: 800; }
.back-btn {
  color: var(--primary); text-decoration: none; font-size: .9rem;
  font-weight: 600; padding: 6px 12px; background: var(--bg2);
  border: 1px solid var(--border); transition: var(--transition);
}
.back-btn:hover { background: var(--primary); color: #fff; }
.theme-btn {
  background: var(--bg2); border: 1px solid var(--border);
  padding: 6px 10px; cursor: pointer; font-size: 1rem;
}

/* Tabs */
.tab-bar {
  display: flex; gap: 0; background: var(--bg2);
  border-bottom: 2px solid var(--border);
  overflow-x: auto; -webkit-overflow-scrolling: touch;
}
.tab-btn {
  flex: 1; min-width: 0; background: var(--bg2); border: none;
  color: var(--text2); padding: 12px 8px; cursor: pointer;
  font-size: .85rem; font-weight: 700; white-space: nowrap;
  border-bottom: 3px solid transparent; transition: var(--transition);
  font-family: inherit;
}
.tab-btn.active {
  color: var(--primary); border-bottom-color: var(--primary);
  background: var(--bg);
}
.tab-btn:hover { color: var(--primary-light); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* Container */
.container { max-width: 600px; margin: 0 auto; padding: 16px; }

/* Search */
.search-bar { margin-bottom: 12px; }
.input-field {
  width: 100%; padding: 10px 12px; background: var(--bg);
  border: 2px solid var(--border); color: var(--text);
  font-size: .9rem; font-family: inherit; transition: var(--transition);
}
.input-field:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(217,119,6,.15);
}

/* Filter */
.filter-bar {
  display: flex; gap: 6px; margin-bottom: 12px;
  overflow-x: auto; -webkit-overflow-scrolling: touch;
  padding-bottom: 4px;
}
.filter-btn {
  flex-shrink: 0; background: var(--bg3); border: 1px solid var(--border);
  color: var(--text2); padding: 6px 14px; cursor: pointer;
  font-size: .82rem; font-weight: 600; white-space: nowrap;
  transition: var(--transition); font-family: inherit;
}
.filter-btn.active {
  background: var(--primary); border-color: var(--primary); color: #fff;
}
.filter-btn:hover:not(.active) { border-color: var(--primary); color: var(--primary); }

/* === CHECKLIST === */
.progress-bar-wrap { margin-bottom: 16px; }
.progress-label {
  display: flex; justify-content: space-between;
  font-size: .8rem; font-weight: 700; color: var(--text2);
  margin-bottom: 6px;
}
.progress-bar {
  height: 8px; background: var(--bg3); overflow: hidden;
  border: 1px solid var(--border);
}
.progress-fill {
  height: 100%; background: var(--primary); transition: width .3s ease;
  width: 0%;
}

.checklist-list { display: flex; flex-direction: column; gap: 6px; }
.checklist-category {
  font-size: .78rem; font-weight: 800; color: var(--primary);
  text-transform: uppercase; letter-spacing: .5px;
  margin-top: 12px; margin-bottom: 4px; padding-left: 4px;
}
.checklist-item {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px; background: var(--bg2);
  border: 1px solid var(--border); cursor: pointer;
  transition: var(--transition);
}
.checklist-item:hover { border-color: var(--primary); }
.checklist-item.checked {
  opacity: .6; text-decoration: line-through;
}
.checklist-item .check-icon {
  width: 22px; height: 22px; border: 2px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; font-size: .8rem; transition: var(--transition);
}
.checklist-item.checked .check-icon {
  background: var(--success); border-color: var(--success); color: #fff;
}
.checklist-item .check-text { font-size: .88rem; font-weight: 600; }

.checklist-actions { margin-top: 12px; }
.btn-secondary {
  width: 100%; padding: 10px; background: var(--bg2);
  border: 1px solid var(--border); color: var(--text2);
  font-size: .85rem; font-weight: 700; cursor: pointer;
  transition: var(--transition); font-family: inherit;
}
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); }

/* === BEGINNER GUIDE === */
.guide-list { display: flex; flex-direction: column; gap: 8px; }
.guide-card {
  background: var(--bg2); border: 2px solid var(--border);
  overflow: hidden; transition: var(--transition);
}
.guide-card:hover { border-color: var(--primary); }
.guide-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px; cursor: pointer; gap: 8px;
}
.guide-header-left {
  display: flex; align-items: center; gap: 10px; flex: 1; min-width: 0;
}
.guide-emoji { font-size: 1.2rem; flex-shrink: 0; }
.guide-title { font-size: .9rem; font-weight: 700; }
.guide-arrow {
  font-size: .8rem; color: var(--text3); transition: transform .2s;
  flex-shrink: 0;
}
.guide-card.open .guide-arrow { transform: rotate(180deg); }
.guide-body {
  max-height: 0; overflow: hidden; transition: max-height .3s ease;
}
.guide-card.open .guide-body { max-height: 500px; }
.guide-body-inner {
  padding: 0 16px 16px; font-size: .84rem; color: var(--text2);
  line-height: 1.7;
}
.guide-body-inner ul {
  list-style: none; padding: 0;
}
.guide-body-inner li {
  padding: 4px 0; padding-left: 16px; position: relative;
}
.guide-body-inner li::before {
  content: '•'; position: absolute; left: 0; color: var(--primary);
  font-weight: 800;
}

/* === WARNING LIGHTS === */
.warning-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 8px;
}
.warning-card {
  background: var(--bg2); border: 2px solid var(--border);
  padding: 16px 14px; cursor: pointer; transition: var(--transition);
  text-align: center;
}
.warning-card:hover {
  border-color: var(--primary);
  transform: translate(-2px, -2px);
  box-shadow: 3px 3px 0 rgba(124,111,255,.2);
}
.warning-icon {
  display: flex; align-items: center; justify-content: center;
  height: 56px; margin-bottom: 8px;
}
.warning-icon img {
  height: 56px; width: 56px; object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(255,255,255,.12));
}
[data-theme="light"] .warning-icon img { filter: none; }
.warning-name { font-size: .85rem; font-weight: 700; margin-bottom: 6px; }
.warning-severity {
  display: inline-block; font-size: .68rem; font-weight: 700;
  padding: 2px 8px; border: 1px solid;
}
.severity-danger { color: var(--danger); border-color: var(--danger); background: rgba(239,68,68,.08); }
.severity-warning { color: var(--warning); border-color: var(--warning); background: rgba(251,191,36,.08); }
.severity-info { color: var(--info); border-color: var(--info); background: rgba(96,165,250,.08); }

/* Modal */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.7);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000; padding: 16px;
}
.modal-box {
  background: var(--bg2); border: 2px solid var(--border);
  padding: 24px; width: 100%; max-width: 500px; max-height: 80vh;
  overflow-y: auto;
}
.modal-box h3 { font-size: 1rem; font-weight: 800; margin-bottom: 12px; }

.warning-detail-icon {
  text-align: center; margin-bottom: 12px;
  display: flex; align-items: center; justify-content: center;
}
.warning-detail-icon img {
  height: 80px; width: 80px; object-fit: contain;
}
.warning-detail-name {
  font-size: 1.1rem; font-weight: 800; text-align: center; margin-bottom: 8px;
}
.warning-detail-severity { text-align: center; margin-bottom: 16px; }
.warning-detail-section {
  margin-bottom: 14px;
}
.warning-detail-label {
  font-size: .78rem; font-weight: 800; color: var(--primary);
  text-transform: uppercase; margin-bottom: 6px;
}
.warning-detail-text {
  font-size: .88rem; color: var(--text2); line-height: 1.6;
}

.btn-close {
  width: 100%; padding: 12px; background: var(--bg);
  border: 2px solid var(--border); color: var(--text2);
  font-size: .9rem; font-weight: 700; cursor: pointer;
  margin-top: 16px; font-family: inherit; transition: var(--transition);
}
.btn-close:hover { border-color: var(--primary); color: var(--primary); }

/* Admin */
.admin-edit-btn {
  width: 100%; padding: 10px; background: transparent;
  border: 1px dashed var(--border); color: var(--text3);
  font-size: .8rem; cursor: pointer; margin-top: 8px;
  font-family: inherit; transition: var(--transition);
}
.admin-edit-btn:hover { border-color: var(--primary); color: var(--primary); }
.admin-textarea {
  width: 100%; min-height: 300px; padding: 12px;
  background: var(--bg); border: 2px solid var(--border);
  color: var(--text); font-family: 'Courier New', monospace;
  font-size: .8rem; resize: vertical;
}
.admin-textarea:focus { outline: none; border-color: var(--primary); }
.modal-actions { display: flex; gap: 8px; margin-top: 12px; }
.btn-calc {
  flex: 1; padding: 14px; background: var(--primary);
  border: 2px solid var(--primary); color: #fff;
  font-size: .95rem; font-weight: 800; cursor: pointer;
  font-family: inherit; transition: var(--transition);
}
.btn-cancel {
  flex: 1; padding: 14px; background: var(--bg);
  border: 2px solid var(--border); color: var(--text2);
  font-size: .95rem; font-weight: 700; cursor: pointer; font-family: inherit;
}

.no-result {
  text-align: center; padding: 40px 16px; color: var(--text3);
  font-size: .9rem;
}

/* Admin Modal Wide */
.modal-box-wide { max-width: 640px; }
.admin-modal-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 12px; gap: 8px;
}
.admin-modal-header h3 { margin: 0; }
.admin-mode-toggle { display: flex; gap: 4px; }
.admin-mode-btn {
  padding: 4px 10px; background: var(--bg); border: 1px solid var(--border);
  color: var(--text3); font-size: .72rem; font-weight: 700; cursor: pointer;
  font-family: inherit; transition: var(--transition);
}
.admin-mode-btn.active {
  background: var(--primary); border-color: var(--primary); color: #fff;
}

/* Visual Editor */
.admin-visual-editor { max-height: 60vh; overflow-y: auto; }
.ve-section { margin-bottom: 12px; }
.ve-label {
  font-size: .78rem; font-weight: 800; color: var(--primary);
  margin-bottom: 6px; text-transform: uppercase; letter-spacing: .5px;
}
.ve-input {
  padding: 6px 8px; background: var(--bg); border: 1px solid var(--border);
  color: var(--text); font-size: .82rem; font-family: inherit; width: 100%;
}
.ve-input:focus { outline: none; border-color: var(--primary); }
.ve-flex { flex: 1; min-width: 0; }
.ve-sm { width: 50px; flex: none; }
.ve-cat-sel {
  padding: 6px 8px; background: var(--bg); border: 1px solid var(--border);
  color: var(--text); font-size: .78rem; font-family: inherit;
}
.ve-textarea {
  width: 100%; padding: 6px 8px; background: var(--bg);
  border: 1px solid var(--border); color: var(--text);
  font-size: .8rem; font-family: inherit; resize: vertical; min-height: 60px;
}
.ve-sm-ta { min-height: 40px; }
.ve-textarea:focus, .ve-cat-sel:focus { outline: none; border-color: var(--primary); }
.ve-item {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 8px; background: var(--bg2); border: 1px solid var(--border);
  margin-bottom: 4px;
}
.ve-item-block {
  flex-direction: column; align-items: stretch;
}
.ve-item-row {
  display: flex; align-items: center; gap: 6px; width: 100%;
}
.ve-item-block .ve-input,
.ve-item-block .ve-textarea { margin-top: 4px; }
.ve-del {
  width: 26px; height: 26px; background: transparent; border: 1px solid var(--border);
  color: var(--accent); font-size: .8rem; cursor: pointer; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}
.ve-del:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.ve-add {
  width: 100%; padding: 8px; background: transparent;
  border: 1px dashed var(--primary); color: var(--primary);
  font-size: .82rem; font-weight: 700; cursor: pointer;
  margin-top: 8px; font-family: inherit;
}
.ve-add:hover { background: rgba(217,119,6,.1); }

@keyframes slideUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 400px) {
  .warning-grid { grid-template-columns: repeat(2, 1fr); }
  .tab-btn { font-size: .78rem; padding: 10px 6px; }
}