@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Noto+Sans+KR:wght@300;400;500;700&display=swap');

:root {
  --bg-primary: #060913;
  --bg-secondary: #0c1122;
  --bg-card: rgba(16, 24, 48, 0.65);
  --border-color: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(59, 130, 246, 0.35);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  /* HSL Neon Colors for Asset Classes */
  --color-stock: #3b82f6;      /* Electric Blue */
  --color-stock-glow: rgba(59, 130, 246, 0.15);
  
  --color-crypto: #f59e0b;     /* Neon Gold */
  --color-crypto-glow: rgba(245, 158, 11, 0.15);
  
  --color-deposit: #10b981;    /* Emerald Green */
  --color-deposit-glow: rgba(16, 185, 129, 0.15);
  
  --color-property: #8b5cf6;   /* Neon Violet */
  --color-property-glow: rgba(139, 92, 246, 0.15);

  --trend-up: #ef4444;         /* 한국 기준 상승은 빨간색 */
  --trend-up-glow: rgba(239, 68, 68, 0.12);
  --trend-down: #3b82f6;       /* 하락은 파란색 */
  --trend-down-glow: rgba(59, 130, 246, 0.12);

  --font-family: 'Outfit', 'Noto Sans KR', sans-serif;
  --glass-blur: blur(20px);
  --transition-smooth: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --glow-shadow: 0 0 15px rgba(59, 130, 246, 0.1);
}

body.light-theme {
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.82);
  --border-color: rgba(15, 23, 42, 0.08);
  --border-hover: rgba(59, 130, 246, 0.45);
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;

  --color-stock-glow: rgba(59, 130, 246, 0.08);
  --color-crypto-glow: rgba(245, 158, 11, 0.08);
  --color-deposit-glow: rgba(16, 185, 129, 0.08);
  --color-property-glow: rgba(139, 92, 246, 0.08);

  --trend-up-glow: rgba(239, 68, 68, 0.08);
  --trend-down-glow: rgba(59, 130, 246, 0.08);

  --glass-blur: blur(25px);
  --glow-shadow: 0 4px 20px rgba(15, 23, 42, 0.04);
  
  background-image: 
    radial-gradient(at 0% 0%, hsla(220,100%,94%,1) 0, transparent 40%),
    radial-gradient(at 100% 0%, hsla(262,100%,95%,1) 0, transparent 45%),
    radial-gradient(at 50% 100%, hsla(217,91%,60%,0.03) 0, transparent 50%);
}

/* 앱 컨테이너 최초 FOUC(뒤틀린 레이아웃 번쩍임) 방지 스타일 */
.app-container {
  opacity: 0;
  transition: opacity 0.25s ease;
}
.app-container.stealth-unlocked-fadein {
  opacity: 1 !important;
}

/* 라이트 테마 세부 요소 스타일 덮어쓰기 */
body.light-theme .brand-section h1 {
  background: linear-gradient(135deg, #0f172a 30%, #2563eb 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
body.light-theme .sync-badge {
  background: rgba(15, 23, 42, 0.02);
  border-color: rgba(15, 23, 42, 0.08);
}
body.light-theme .nav-tabs {
  background: rgba(15, 23, 42, 0.03);
}
body.light-theme .tab-btn:hover {
  background: rgba(15, 23, 42, 0.04);
}
body.light-theme .btn-secondary {
  background: rgba(15, 23, 42, 0.02);
  color: var(--text-primary);
  border-color: var(--border-color);
}
body.light-theme .btn-secondary:hover {
  background: rgba(15, 23, 42, 0.05);
}
body.light-theme .chart-time-filters {
  background: rgba(15, 23, 42, 0.03);
}
body.light-theme .chart-filter-btn {
  color: var(--text-secondary);
}
body.light-theme .chart-filter-btn:hover {
  background: rgba(15, 23, 42, 0.04);
}
body.light-theme .chart-filter-btn.active {
  background: rgba(15, 23, 42, 0.08);
  color: var(--text-primary) !important; /* 10D/30D/90D 버튼 선택 시 글자가 흰색으로 묻히지 않도록 확실하게 검은색 계열로 노출 */
}
body.light-theme .suggest-dropdown {
  background: #ffffff;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.15);
}
body.light-theme .suggest-item {
  color: #0f172a;
  border-bottom: 1px solid rgba(15,23,42,0.04);
}
body.light-theme .suggest-item:hover {
  background: rgba(15,23,42,0.03);
}
body.light-theme .suggest-item .suggest-symbol {
  color: #2563eb;
}
body.light-theme .suggest-item .suggest-exch {
  color: var(--text-secondary);
}
body.light-theme .modal-overlay {
  background: rgba(15, 23, 42, 0.45); /* 가독성 좋은 소프트 그레이 오버레이 */
}
body.light-theme .modal-content {
  background: #ffffff;
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.15);
}
body.light-theme .close-btn {
  color: var(--text-secondary);
}
body.light-theme .close-btn:hover {
  color: #000000;
}
body.light-theme .form-control {
  background: rgba(15, 23, 42, 0.015);
  color: #0f172a;
}
body.light-theme .form-control:focus {
  background: #ffffff;
}
body.light-theme .form-control:disabled {
  background: rgba(15, 23, 42, 0.03);
  color: var(--text-muted);
}
body.light-theme select.form-control option {
  background-color: #ffffff;
  color: #0f172a;
}
body.light-theme .sql-guide-box {
  background: #f1f5f9;
}
body.light-theme .sql-guide-box pre {
  color: #0284c7;
}
body.light-theme .auth-form-box {
  background: rgba(15,23,42,0.01);
}
body.light-theme .user-profile {
  background: rgba(15,23,42,0.02);
}
body.light-theme th {
  background: rgba(15, 23, 42, 0.01);
}
body.light-theme tr:hover td {
  background: rgba(15, 23, 42, 0.01);
}
body.light-theme .toast {
  background: rgba(255, 255, 255, 0.95);
  color: #0f172a;
  border-color: rgba(15, 23, 42, 0.08);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.1);
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-family);
  min-height: 100vh;
  line-height: 1.5;
  overflow-x: hidden;
  /* 우주/금융 단말기 느낌의 그라데이션 광원 배경 */
  background-image: 
    radial-gradient(at 0% 0%, hsla(220,95%,10%,1) 0, transparent 40%),
    radial-gradient(at 100% 0%, hsla(260,90%,12%,1) 0, transparent 45%),
    radial-gradient(at 50% 100%, hsla(217,91%,60%,0.05) 0, transparent 50%);
  background-attachment: fixed;
}

/* App Main Layout */
.app-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 4rem 1.5rem;
}

/* Header & Connection Status */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.brand-section h1 {
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #ffffff 30%, #93c5fd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.brand-section h1:hover {
  opacity: 0.85;
}

.brand-section h1 span {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  background: rgba(59, 130, 246, 0.15);
  color: var(--color-stock);
  vertical-align: middle;
  border: 1px solid rgba(59, 130, 246, 0.2);
  margin-left: 0.25rem;
}

.brand-section p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 0.2rem;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Sync Status Indicator */
.sync-badge {
  padding: 0.4rem 0.8rem;
  border-radius: 30px;
  font-size: 0.75rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.02);
}

.sync-badge.demo {
  color: var(--text-secondary);
  border-color: rgba(255,255,255,0.06);
}
.sync-badge.syncing {
  color: var(--color-deposit);
  border-color: rgba(16, 185, 129, 0.2);
  background: var(--color-deposit-glow);
}

.sync-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
}

/* Navigation Tabs */
.nav-tabs {
  display: flex;
  gap: 0.35rem;
  background: rgba(255, 255, 255, 0.02);
  padding: 0.25rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 0.55rem 1.1rem;
  font-family: var(--font-family);
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.tab-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.tab-btn.active {
  color: #ffffff;
  background: var(--color-stock);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
}

/* Active tab view control */
.tab-content {
  display: none;
  animation: tabFadeIn 0.35s ease-out forwards;
}

.tab-content.active {
  display: block;
}

@keyframes tabFadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Summary Grid */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.summary-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.1rem 1.25rem; /* 좌우 패딩을 줄여 텍스트 가로 공간 확보 */
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  box-shadow: var(--glow-shadow);
}

.summary-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-hover);
}

.summary-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: transparent;
}

.summary-card.accent-up::before { background: var(--trend-up); }
.summary-card.accent-down::before { background: var(--trend-down); }
.summary-card.accent-blue::before { background: var(--color-stock); }
.summary-card.accent-green::before { background: var(--color-deposit); }
.summary-card.accent-emerald::before { background: #10b981; }

.card-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.06em;
  margin-bottom: 0.4rem;
}

.card-value {
  font-size: clamp(1.2rem, 3vw, 1.45rem); /* 글자수가 많아져도 카드 밖으로 라인이 깨지지 않도록 유동 축소 */
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.2rem;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}

.card-subtext {
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

/* Trend Badges */
.trend-pill {
  padding: 0.15rem 0.45rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.72rem;
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
}
.trend-pill.up {
  background: var(--trend-up-glow);
  color: var(--trend-up);
}
.trend-pill.down {
  background: var(--trend-down-glow);
  color: var(--trend-down);
}

.text-up {
  color: var(--trend-up) !important;
}
.text-down {
  color: var(--trend-down) !important;
}

/* Chart Segment Layout */
.charts-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

@media (max-width: 1024px) {
  .charts-grid {
    grid-template-columns: 1fr;
  }
}

.chart-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 1.25rem 1.5rem;
  height: 400px;
  display: flex;
  flex-direction: column;
}

.chart-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.chart-card-title {
  font-size: 0.95rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.chart-time-filters {
  display: flex;
  gap: 0.25rem;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border-color);
  padding: 0.15rem;
  border-radius: 8px;
}

.chart-filter-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 0.3rem 0.65rem;
  font-size: 0.72rem;
  font-weight: 600;
  border-radius: 5px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.chart-filter-btn.active {
  background: rgba(255,255,255,0.08);
  color: #ffffffa2;
}

.chart-container {
  flex: 1;
  position: relative;
  width: 100%;
  height: 100%;
}

/* Section Title Bar */
.section-title-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 1.1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Buttons */
.btn-group {
  display: flex;
  gap: 0.5rem;
}

.btn {
  font-family: var(--font-family);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.55rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--color-stock);
  color: #fff;
}
.btn-primary:hover {
  background: #2563eb;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  border-color: var(--border-color);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
}

.btn-success {
  background: var(--color-deposit-glow);
  color: var(--color-deposit);
  border-color: rgba(16, 185, 129, 0.2);
}
.btn-success:hover {
  background: var(--color-deposit);
  color: #fff;
}

.btn-danger-outline {
  background: transparent;
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.25);
  padding: 0.3rem 0.6rem;
  font-size: 0.72rem;
}
.btn-danger-outline:hover {
  background: #ef4444;
  color: #fff;
}

/* Asset Class Badge */
.asset-badge {
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  display: inline-block;
  width: 76px;
  text-align: center;
}
.asset-badge.stock {
  background: var(--color-stock-glow);
  color: var(--color-stock);
}
.asset-badge.crypto {
  background: var(--color-crypto-glow);
  color: var(--color-crypto);
}
.asset-badge.deposit {
  background: var(--color-deposit-glow);
  color: var(--color-deposit);
}
.asset-badge.property {
  background: var(--color-property-glow);
  color: var(--color-property);
}

/* Data Table Card */
.table-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  overflow: hidden;
  margin-bottom: 2rem;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.85rem;
}

th {
  background: rgba(255, 255, 255, 0.015);
  color: var(--text-secondary);
  font-weight: 600;
  padding: 0.9rem 1.1rem;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

td {
  padding: 0.95rem 1.1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

tr:last-child td {
  border-bottom: none;
}

tr {
  transition: var(--transition-smooth);
}
tr:hover td {
  background: rgba(255, 255, 255, 0.015);
}

/* Stock search suggestion dropdown container */
.search-suggest-container {
  position: relative;
}

.suggest-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background: #111827;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  z-index: 1100;
  max-height: 200px;
  overflow-y: auto;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  display: none;
}

.suggest-dropdown.active {
  display: block;
}

.suggest-item {
  padding: 0.65rem 1rem;
  cursor: pointer;
  font-size: 0.8rem;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-smooth);
}

.suggest-item:hover {
  background: rgba(255,255,255,0.05);
}

.suggest-item .suggest-symbol {
  font-weight: 700;
  color: var(--color-stock);
}

.suggest-item .suggest-exch {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Modals (Glassmorphism Modal) */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(3, 5, 12, 0.88);
  backdrop-filter: blur(10px);
  z-index: 1050;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: #0d1222;
  border: 1px solid var(--border-color);
  border-radius: 22px;
  width: 100%;
  max-width: 520px;
  padding: 1.75rem 2rem;
  transform: scale(0.96);
  transition: var(--transition-smooth);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.modal-title {
  font-size: 1.15rem;
  font-weight: 600;
}

.close-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.close-btn:hover {
  color: #fff;
}

/* Form inputs styling */
.form-group {
  margin-bottom: 1.1rem;
}

.form-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border-color);
  color: #fff;
  padding: 0.65rem 0.9rem;
  border-radius: 8px;
  font-family: var(--font-family);
  font-size: 0.85rem;
  transition: var(--transition-smooth);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-stock);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
  background: rgba(255, 255, 255, 0.04);
}

.form-control:disabled {
  background: rgba(255, 255, 255, 0.01);
  color: var(--text-muted);
  cursor: not-allowed;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

/* SQL Code Block in Config Tab */
.sql-guide-box {
  background: #090d16;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1rem;
  position: relative;
  margin-top: 1rem;
}

.sql-guide-box pre {
  font-family: monospace;
  font-size: 0.78rem;
  color: #38bdf8;
  overflow-x: auto;
  white-space: pre-wrap;
  max-height: 180px;
}

/* Auth Section UI in Settings */
.auth-panel {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2rem;
  margin-top: 1.5rem;
}

@media (max-width: 768px) {
  .auth-panel {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.auth-form-box {
  background: rgba(255,255,255,0.01);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.25rem;
}

/* User Account Display */
.user-profile {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.35rem 0.75rem;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border-color);
  border-radius: 8px;
}

.user-email {
  font-size: 0.8rem;
  font-weight: 500;
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Tracking Input Cards */
.tracking-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.tracking-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.tracking-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Toast Container */
#toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 2100;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background: rgba(12, 17, 34, 0.95);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  color: #fff;
  padding: 0.65rem 1.1rem;
  border-radius: 10px;
  font-size: 0.8rem;
  font-weight: 500;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  animation: slideIn 0.25s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Mobile responsive fixes */
@media (max-width: 768px) {
  .app-container {
    padding: 1rem;
  }
  
  header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .header-controls {
    width: 100%;
    justify-content: space-between;
  }

  .nav-tabs {
    width: 100%;
    overflow-x: auto;
  }

  .tab-btn {
    flex: 1;
    justify-content: center;
    padding: 0.45rem 0.65rem;
    font-size: 0.75rem;
  }

  .section-title-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .btn-group {
    width: 100%;
  }

  .btn {
    flex: 1;
    justify-content: center;
  }

  th, td {
    padding: 0.65rem 0.75rem;
    font-size: 0.75rem;
  }
}

/* 📊 Market Banner scrollbar hidden & theme styles */
#market-banner-list::-webkit-scrollbar {
  display: none;
}

#market-banner {
  background: rgba(30, 41, 59, 0.45);
}

.light-theme #market-banner {
  background: rgba(255, 255, 255, 0.85);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.05);
}

/* ==================================================== */
/*          🔒 Stealth 404 Lock Screen Styles           */
/* ==================================================== */

/* 바디 잠금 상태 제어 */
body.stealth-locked {
  overflow: hidden !important;
}
body.stealth-locked .app-container {
  display: none !important;
}

/* 이미 잠금 해제 성공한 브라우저의 새로고침 시 404 번쩍임(Flicker)을 물리적으로 차단 */
html.stealth-init-unlocked body.stealth-locked #stealth-lock-screen {
  display: none !important;
}
html.stealth-init-unlocked body.stealth-locked .app-container {
  display: flex !important;
}

#stealth-lock-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: #ffffff !important;
  z-index: 99999;
  overflow-y: scroll;
  display: flex;
  flex-direction: column;
  align-items: flex-start; /* 아파치 표준에 따른 좌측 정렬 */
  justify-content: flex-start;
  padding: 40px 30px; /* 상좌측 여백 확보 */
  font-family: 'Times New Roman', Times, serif; /* 정밀한 아파치 세리프 폰트 */
  color: #000000 !important;
}

/* 404 상태에서 화면 우측 스크롤바 감추기 (스크롤이 가능하다는 단서 자체를 소멸) */
#stealth-lock-screen::-webkit-scrollbar {
  display: none !important;
}
#stealth-lock-screen {
  -ms-overflow-style: none !important;
  scrollbar-width: none !important;
}

/* Apache 표준 404 Not Found 위장막 스타일 (앞에 404 추가) */
.apache-404-container {
  width: 100%;
  max-width: 800px;
  text-align: left;
}
.apache-404-title {
  font-size: 2.2rem;
  font-weight: bold;
  font-family: 'Times New Roman', Times, serif;
  color: #000000 !important;
  margin: 0 0 1.25rem 0;
  letter-spacing: normal;
}
.apache-404-msg {
  font-size: 1rem;
  font-family: 'Times New Roman', Times, serif;
  color: #000000 !important;
  margin: 0;
}

/* A안: 스크롤 영역과 하단 투명 로그인 박스 */
.stealth-scroll-spacer {
  height: 280vh; /* 휠을 길게 3~4번 이상 돌려야만 하단 영역 도달 가능 */
  width: 100%;
}
.stealth-login-wrapper {
  height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  background: #ffffff !important; /* 하단도 완벽한 흰색 위장 */
  padding-bottom: 5vh;
}
.stealth-login-box {
  width: 320px;
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid transparent;
  background: transparent;
  opacity: 0 !important; /* 초기 상태에서는 절대 비침 금지 */
  pointer-events: none; /* 클릭 및 탭 차단 */
  transition: opacity 0.4s ease, border-color 0.4s ease, background 0.4s ease;
}

/* box 내부의 자식 폼 요소들도 전부 불투명 노출 차단 */
.stealth-login-box * {
  opacity: 0 !important;
  transition: opacity 0.4s ease;
}

/* 마우스를 폼 영역 주변으로 정확하게 가져왔거나 focus가 맞춰질 때만 모습이 나타남 */
.stealth-login-box:hover,
.stealth-login-box:focus-within {
  opacity: 0.98 !important;
  pointer-events: auto; /* 상호작용 활성화 */
  border-color: #e2e8f0 !important;
  background: #f8fafc !important;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
}

.stealth-login-box:hover *,
.stealth-login-box:focus-within * {
  opacity: 1 !important;
}

.stealth-login-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: #334155 !important;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.stealth-form-group {
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.stealth-form-group label {
  font-size: 0.75rem;
  font-weight: 600;
  color: #64748b !important;
  text-transform: uppercase;
}
.stealth-form-control {
  width: 100%;
  padding: 0.55rem 0.75rem;
  font-size: 0.85rem;
  border: 1px solid #cbd5e1 !important;
  border-radius: 6px;
  background: #ffffff !important;
  color: #0f172a !important;
  outline: none;
  transition: border-color 0.2s;
}
.stealth-form-control:focus {
  border-color: #3b82f6 !important;
}

.stealth-btn-login {
  width: 100%;
  padding: 0.6rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: #ffffff !important;
  background-color: #0f172a !important;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.2s;
  margin-top: 0.5rem;
}
.stealth-btn-login:hover {
  background-color: #1e293b !important;
}

/* B안: d 3회 클릭 시 나타나는 모달 락 스크린 */
.stealth-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.45) !important;
  backdrop-filter: blur(8px);
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}
.stealth-modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}
.stealth-modal-content {
  background: #ffffff !important;
  border: 1px solid #e2e8f0 !important;
  border-radius: 16px;
  width: 100%;
  max-width: 350px;
  padding: 2rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
  transform: scale(0.95);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.stealth-modal-overlay.active .stealth-modal-content {
  transform: scale(1);
}
.stealth-modal-overlay.active .stealth-modal-content * {
  opacity: 1 !important;
}

.stealth-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}
.stealth-modal-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: #0f172a !important;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
}
.stealth-modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: #64748b;
  cursor: pointer;
  line-height: 1;
}
.stealth-modal-close:hover {
  color: #0f172a;
}