:root {
  --bg: #080c10;
  --surface: #0d1117;
  --surface2: #161b22;
  --surface3: #1c2330;
  --border: #21262d;
  --border2: #30363d;
  --text: #e6edf3;
  --text2: #8b949e;
  --text3: #484f58;
  --accent: #00d4aa;
  --accent2: #00b896;
  --blue: #58a6ff;
  --yellow: #f0c040;
  --red: #ff6b6b;
  --green: #3fb950;
  --purple: #bc8cff;
  --orange: #ffa657;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  min-height: 100vh;
  overflow-x: hidden;
}

/* 배경 그리드 */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 170, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 170, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

/* 헤더 */
header {
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  background: rgba(8, 12, 16, 0.95);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

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

.logo-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo {
  font-family: 'Syne', sans-serif;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text);
}

.logo span {
  color: var(--accent);
}

.header-tag {
  font-size: 10px;
  color: var(--text3);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-left: 12px;
  padding: 2px 8px;
  border: 1px solid var(--border2);
  border-radius: 2px;
}

/* 요약 바 */
.summary-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  margin: 20px 0;
}

.summary-item {
  background: var(--surface);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: background 0.2s;
}

.summary-item:hover {
  background: var(--surface2);
}

.summary-label {
  font-size: 10px;
  color: var(--text3);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.summary-value {
  font-family: 'Syne', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
}

.summary-value.accent {
  color: var(--accent);
}

.summary-value.blue {
  color: var(--blue);
}

.summary-value.yellow {
  color: var(--yellow);
}

.summary-value.positive {
  color: var(--green);
}

.summary-value.negative {
  color: var(--red);
}

.summary-sub {
  font-size: 11px;
  color: var(--text2);
}

/* 탭 */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.tab-btn {
  padding: 10px 20px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text2);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  cursor: pointer;
  letter-spacing: 0.5px;
  transition: all 0.2s;
  margin-bottom: -1px;
}

.tab-btn:hover {
  color: var(--text);
}

.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.tab-content {
  display: none;
}

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

/* 입력 폼 */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px;
  margin-bottom: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group.wide {
  grid-column: span 2;
}

label {
  font-size: 10px;
  color: var(--text3);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

input,
select {
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: 4px;
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  padding: 8px 10px;
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}

input:focus,
select:focus {
  border-color: var(--accent);
}

input::placeholder {
  color: var(--text3);
}

input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(1);
  cursor: pointer;
}

select option {
  background: var(--surface2);
}

.form-actions {
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

.btn {
  padding: 8px 20px;
  border: none;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.5px;
  transition: all 0.2s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
}

.btn-primary:hover {
  background: var(--accent2);
}

.btn-danger {
  background: transparent;
  border: 1px solid var(--red);
  color: var(--red);
}

.btn-danger:hover {
  background: rgba(255, 107, 107, 0.1);
}

.btn-secondary {
  background: var(--surface2);
  border: 1px solid var(--border2);
  color: var(--text2);
}

.btn-secondary:hover {
  color: var(--text);
  border-color: var(--text2);
}

/* 필터 바 */
.filter-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.filter-btn {
  padding: 4px 12px;
  border: 1px solid var(--border2);
  border-radius: 2px;
  background: transparent;
  color: var(--text2);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s;
  letter-spacing: 0.5px;
}

.filter-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
}

.filter-search {
  margin-left: auto;
  width: 180px;
  padding: 4px 10px;
}

/* 테이블 */
.table-wrap {
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 900px;
}

thead tr {
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
}

th {
  padding: 10px 12px;
  text-align: center;
  font-size: 10px;
  color: var(--text3);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 500;
  white-space: nowrap;
}

th.num {
  text-align: center;
}

tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
  cursor: pointer;
}

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

tbody tr:hover {
  background: var(--surface2);
}

td {
  padding: 10px 12px;
  text-align: center;
  color: var(--text2);
  white-space: nowrap;
}

td.num {
  text-align: center;
  font-variant-numeric: tabular-nums;
}

td.highlight {
  color: var(--text);
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 2px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.badge-progress {
  background: rgba(88, 166, 255, 0.15);
  color: var(--blue);
  border: 1px solid rgba(88, 166, 255, 0.3);
}

.badge-done {
  background: rgba(63, 185, 80, 0.15);
  color: var(--green);
  border: 1px solid rgba(63, 185, 80, 0.3);
}

.badge-usd {
  background: rgba(240, 192, 64, 0.15);
  color: var(--yellow);
  border: 1px solid rgba(240, 192, 64, 0.3);
}

.badge-jpy {
  background: rgba(188, 140, 255, 0.15);
  color: var(--purple);
  border: 1px solid rgba(188, 140, 255, 0.3);
}

.profit-pos {
  color: var(--green);
}

.profit-neg {
  color: var(--red);
}

.profit-zero {
  color: var(--text3);
}

.action-btns {
  display: flex;
  gap: 6px;
}

.btn-icon {
  padding: 3px 8px;
  border: 1px solid var(--border2);
  border-radius: 3px;
  background: transparent;
  color: var(--text3);
  font-size: 11px;
  cursor: pointer;
  font-family: 'JetBrains Mono', monospace;
  transition: all 0.15s;
}

.btn-icon:hover {
  color: var(--text);
  border-color: var(--text2);
}

.btn-icon.sell:hover {
  color: var(--green);
  border-color: var(--green);
}

.btn-icon.del:hover {
  color: var(--red);
  border-color: var(--red);
}

/* 차트 섹션 */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.chart-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px;
}

.chart-title {
  font-size: 10px;
  color: var(--text3);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.bar-chart {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.bar-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.bar-label {
  width: 80px;
  font-size: 11px;
  color: var(--text2);
  text-align: right;
  flex-shrink: 0;
}

.bar-track {
  flex: 1;
  height: 6px;
  background: var(--surface3);
  border-radius: 3px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.5s ease;
}

.bar-val {
  width: 70px;
  font-size: 11px;
  color: var(--text2);
  text-align: right;
  flex-shrink: 0;
}

/* 플랜 계산기 */
.plan-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.plan-inputs {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.plan-result {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px;
}

.plan-table {
  width: 100%;
  border-collapse: collapse;
}

.plan-table th {
  background: var(--surface2);
  padding: 8px 10px;
  font-size: 10px;
  color: var(--text3);
  letter-spacing: 1px;
}

.plan-table td {
  padding: 8px 10px;
  text-align: center;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  color: var(--text2);
}

.plan-table td.num {
  text-align: center;
}

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

/* 섹션 헤더 */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.section-title {
  font-family: 'Syne', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* 빈 상태 */
.empty-state {
  padding: 40px;
  text-align: center;
  color: var(--text3);
  font-size: 12px;
  letter-spacing: 1px;
}

/* 매도 모달 */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  z-index: 200;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}

.modal-overlay.open {
  display: flex;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: 8px;
  padding: 28px;
  width: 380px;
  max-width: 90vw;
}

.modal-title {
  font-family: 'Syne', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-title::before {
  content: '';
  width: 4px;
  height: 16px;
  background: var(--accent);
  border-radius: 2px;
}

.modal-info {
  background: var(--surface2);
  border-radius: 4px;
  padding: 12px;
  margin-bottom: 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.modal-info-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.modal-info-label {
  font-size: 10px;
  color: var(--text3);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.modal-info-val {
  font-size: 13px;
  color: var(--text);
}

.modal-preview {
  margin-top: 12px;
  padding: 12px;
  background: var(--surface2);
  border-radius: 4px;
  border-left: 3px solid var(--accent);
}

.modal-preview-row {
  display: flex;
  justify-content: space-between;
  padding: 3px 0;
  font-size: 12px;
}

.modal-preview-row span:first-child {
  color: var(--text3);
}

.modal-preview-row span:last-child {
  color: var(--text);
}

.modal-actions {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

.modal-actions .btn {
  flex: 1;
  text-align: center;
}

/* 스크롤바 */
::-webkit-scrollbar {
  width: 4px;
  height: 4px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border2);
  border-radius: 4px;
}

/* 토스트 */
#toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--surface2);
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 10px 18px;
  border-radius: 4px;
  font-size: 12px;
  z-index: 999;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s;
  pointer-events: none;
}

#toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* 반응형 */
@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .header-actions .divider-v {
    display: none;
  }

  /* 플랜계산기(모바일용) */
  .plan-inputs {
    padding: 16px;
    gap: 12px;
    width: 100%;
    max-width: calc(100vw - 40px);
    box-sizing: border-box;
  }

  .plan-inputs label {
    color: var(--text2);
    font-size: 11px;
    font-weight: 600;
  }

  .plan-inputs .btn-primary {
    width: 100%;
    padding: 12px;
    padding-bottom: 20px;
  }

  /* 결과 영역 (모바일용) */
  .plan-result {
    padding: 16px;
    width: 100%;
    max-width: calc(100vw - 40px);
    box-sizing: border-box;
    margin-top: 16px;
  }

  .plan-table th {
    padding: 8px 4px;
    font-size: 9px;
    letter-spacing: 0;
  }

  .plan-table td {
    padding: 8px 4px;
    font-size: 11px;
  }

  .header-actions {
    width: 100%;
    gap: 12px;
    flex-wrap: wrap;
  }

  .logo-group {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .logo-group .header-tag {
    margin-left: 0;
    width: fit-content;
  }

  .summary-bar {
    grid-template-columns: 1fr 1fr;
  }

  .charts-grid {
    grid-template-columns: 1fr;
  }

  .plan-grid {
    grid-template-columns: 1fr;
  }

  .form-grid {
    grid-template-columns: 1fr 1fr;
  }

  .filter-search {
    width: 100%;
    margin-left: 0;
    margin-top: 8px;
  }
}

@media (max-width: 480px) {
  .summary-bar {
    grid-template-columns: 1fr;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .plan-inputs {
    padding: 12px;
    max-width: calc(100vw - 24px);
  }

  .plan-result {
    padding: 12px;
    max-width: calc(100vw - 24px);
  }

  .plan-table td {
    font-size: 10px;
    padding: 6px 2px;
  }
}

.trend-up::before {
  content: '▲ ';
  font-size: 9px;
}

.trend-down::before {
  content: '▼ ';
  font-size: 9px;
}

.divider {
  height: 1px;
  background: var(--border);
  margin: 20px 0;
}

/* 수익률 게이지 */
.rate-gauge {
  display: flex;
  align-items: center;
  gap: 6px;
}

.rate-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text3);
}

.rate-dot.pos {
  background: var(--green);
  box-shadow: 0 0 4px var(--green);
}

.rate-dot.neg {
  background: var(--red);
  box-shadow: 0 0 4px var(--red);
}