/* ===== Reset & Base ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --navy: #1a2744;
  --navy-light: #243456;
  --navy-dark: #111b30;
  --gold: #d4a843;
  --gold-light: #e8c96a;
  --positive: #4caf50;
  --negative: #e53935;
  --white: #f0f0f0;
  --gray: #b0b8c8;
  --card-bg: #1e2f4d;
  --table-header: #2a3f66;
  --table-row-odd: #1a2d4e;
  --table-row-even: #162540;
  --border: #2e4470;
  --sidebar-w: 220px;
  --defense-color: #5b9bd5;
  --cyclical-color: #ed7d31;
}

.light-mode {
  --navy: #f5f5f5;
  --navy-light: #e8e8e8;
  --navy-dark: #ffffff;
  --gold: #1a5276;
  --gold-light: #2471a3;
  --white: #333333;
  --gray: #666666;
  --card-bg: #ffffff;
  --table-header: #1a5276;
  --table-row-odd: #f9f9f9;
  --table-row-even: #ffffff;
  --border: #dddddd;
}

html {
  font-size: 14px;
}

body {
  font-family: "Helvetica Neue", "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif;
  background-color: var(--navy-dark);
  color: var(--white);
  line-height: 1.6;
  display: flex;
  min-height: 100vh;
}

/* ===== Sidebar ===== */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--navy);
  border-right: 2px solid var(--gold);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
}

.sidebar-header {
  padding: 1.5rem 1rem;
  border-bottom: 1px solid var(--border);
}

.sidebar-header h1 {
  font-size: 1.2rem;
  color: var(--gold);
  letter-spacing: 0.1em;
  line-height: 1.4;
}

.nav-list {
  list-style: none;
  flex: 1;
  padding: 0.5rem 0;
}

.nav-link {
  display: block;
  padding: 0.8rem 1.2rem;
  color: var(--gray);
  text-decoration: none;
  font-size: 0.95rem;
  transition: all 0.2s;
  border-left: 3px solid transparent;
}

.nav-link:hover {
  background: var(--navy-light);
  color: var(--white);
}

.nav-link.active {
  background: var(--navy-light);
  color: var(--gold-light);
  border-left-color: var(--gold);
  font-weight: 600;
}

.sidebar-footer {
  padding: 1rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* ===== Main Content ===== */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  padding: 1.5rem 2rem;
  min-width: 0;
}

.page {
  display: none;
}

.page.active {
  display: block;
}

.page-title {
  font-size: 1.4rem;
  color: var(--gold);
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--gold);
}

.page-desc {
  color: var(--gray);
  margin-bottom: 1.2rem;
  font-size: 0.9rem;
}

/* ===== Buttons ===== */
.btn {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: opacity 0.2s;
}

.btn:hover {
  opacity: 0.85;
}

.btn-primary {
  background: var(--gold);
  color: var(--navy-dark);
  font-weight: 600;
}

.btn-outline {
  background: transparent;
  color: var(--gold-light);
  border: 1px solid var(--gold);
  width: 100%;
}

.btn-danger {
  background: var(--negative);
  color: #fff;
}

.btn-csv {
  background: #2196F3;
  color: #fff;
  font-weight: 600;
}

.btn-rakuten {
  background: #bf0000;
  color: #fff;
  font-weight: 600;
}

.btn-price {
  background: #4CAF50;
  color: #fff;
  font-weight: 600;
}

.theme-toggle {
  width: 100%;
  margin-top: 8px;
  padding: 0.4rem 0.8rem;
  background: transparent;
  color: var(--gray);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.8rem;
}

.theme-toggle:hover {
  color: var(--gold-light);
  border-color: var(--gold);
}

.sidebar-links {
  margin-top: 12px;
  text-align: center;
  font-size: 0.75rem;
}

.sidebar-links a {
  color: var(--gray);
  text-decoration: none;
  display: block;
  padding: 4px 0;
}

.sidebar-links a:hover {
  color: var(--gold-light);
}

.ad-slot {
  margin: 16px 0;
  min-height: 90px;
  text-align: center;
  background: var(--card-bg);
  border: 1px dashed var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray);
  font-size: 0.8rem;
}

.btn-small {
  padding: 0.3rem 0.8rem;
  font-size: 0.8rem;
  background: var(--navy-light);
  color: var(--gold-light);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  margin-top: 0.5rem;
}

/* ===== Settings ===== */
.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.2rem;
  margin-bottom: 1.5rem;
}

.setting-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.2rem;
}

.setting-card.full-width {
  grid-column: 1 / -1;
}

.setting-card h3 {
  font-size: 0.9rem;
  color: var(--white);
  margin-bottom: 0.8rem;
  font-weight: 600;
}

.setting-card h4 {
  font-size: 0.85rem;
  color: var(--gold-light);
  margin-bottom: 0.6rem;
}

.setting-note {
  font-size: 0.78rem;
  color: var(--gray);
  margin-bottom: 0.5rem;
}

.setting-card select {
  background: var(--navy);
  color: var(--white);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.4rem 0.8rem;
  font-size: 0.9rem;
  min-width: 160px;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1rem;
}

.settings-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.settings-table th {
  background: var(--table-header);
  color: var(--gold-light);
  padding: 0.5rem 0.6rem;
  text-align: left;
  border-bottom: 1px solid var(--gold);
}

.settings-table td {
  padding: 0.35rem 0.6rem;
  border-bottom: 1px solid var(--border);
}

.settings-table tr:nth-child(odd) td {
  background: var(--table-row-odd);
}

.settings-table tr:nth-child(even) td {
  background: var(--table-row-even);
}

.settings-table select {
  background: var(--navy);
  color: var(--white);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.2rem 0.4rem;
  font-size: 0.8rem;
}

.type-defense {
  background: #2e7d32 !important;
  color: #fff;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  font-size: 0.78rem;
  font-weight: 600;
}

.type-cyclical {
  background: #c62828 !important;
  color: #fff;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  font-size: 0.78rem;
  font-weight: 600;
}

/* ===== Summary Cards ===== */
.summary-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.2rem;
  margin-bottom: 2rem;
}

.summary-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.3rem;
  position: relative;
  overflow: hidden;
}

.summary-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gold);
}

.summary-card h3 {
  font-size: 0.85rem;
  color: var(--gray);
  margin-bottom: 0.4rem;
  font-weight: 500;
}

.big-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
}

.big-number .unit {
  font-size: 0.9rem;
  color: var(--gray);
  margin-left: 0.2rem;
}

.breakdown {
  margin-top: 0.8rem;
  font-size: 0.82rem;
  color: var(--gray);
}

.breakdown p {
  margin-bottom: 0.15rem;
}

.breakdown span {
  color: var(--white);
  font-weight: 600;
}

.positive {
  color: var(--positive) !important;
}

.negative {
  color: var(--negative) !important;
}

/* ===== Charts ===== */
.charts-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 1.2rem;
  margin-bottom: 2rem;
}

.chart-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.2rem;
}

.chart-card h3 {
  font-size: 0.9rem;
  color: var(--gold-light);
  margin-bottom: 0.8rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}

/* ===== Composition Bar ===== */
.composition-section {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.2rem;
  margin-bottom: 2rem;
}

.composition-section h3 {
  font-size: 0.9rem;
  color: var(--gold-light);
  margin-bottom: 0.8rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}

.composition-legend {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
}

.legend-defense {
  color: var(--defense-color);
}

.legend-cyclical {
  color: var(--cyclical-color);
}

.composition-bar {
  display: flex;
  height: 44px;
  border-radius: 4px;
  overflow: hidden;
  gap: 1px;
  background: var(--navy);
}

.bar-empty {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray);
  font-size: 0.85rem;
}

.bar-segment {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.55rem;
  color: #fff;
  text-align: center;
  overflow: hidden;
  white-space: nowrap;
  cursor: default;
  position: relative;
  min-width: 2px;
  padding: 0 2px;
}

.bar-segment:hover {
  opacity: 0.85;
}

.bar-segment .seg-tooltip {
  display: none;
  position: absolute;
  bottom: 110%;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.92);
  color: #fff;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 0.78rem;
  white-space: nowrap;
  z-index: 10;
  pointer-events: none;
}

.bar-segment:hover .seg-tooltip {
  display: block;
}

/* ===== Table Sections ===== */
.table-section {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.2rem;
  margin-bottom: 2rem;
}

.table-section h3 {
  font-size: 0.9rem;
  color: var(--gold-light);
  margin-bottom: 0.8rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}

.filter-row {
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filter-row label {
  font-size: 0.85rem;
  color: var(--gray);
}

.filter-row select {
  background: var(--navy);
  color: var(--white);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.3rem 0.6rem;
  font-size: 0.85rem;
}

/* ===== General Tables ===== */
.table-wrapper {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

thead th {
  background: var(--table-header);
  color: var(--gold-light);
  padding: 0.55rem 0.7rem;
  text-align: left;
  font-weight: 600;
  position: sticky;
  top: 0;
  white-space: nowrap;
  border-bottom: 2px solid var(--gold);
}

thead th .th-note {
  font-size: 0.7rem;
  color: var(--gray);
  font-weight: 400;
}

tbody td {
  padding: 0.45rem 0.7rem;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

tbody tr:nth-child(odd) {
  background: var(--table-row-odd);
}

tbody tr:nth-child(even) {
  background: var(--table-row-even);
}

tbody tr:hover {
  background: rgba(212, 168, 67, 0.1);
}

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

.empty-msg {
  text-align: center;
  color: var(--gray);
  padding: 2rem !important;
  font-size: 0.9rem;
}

/* ===== Entry Form ===== */
.entry-form-area {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.2rem;
}

.entry-toolbar {
  display: flex;
  gap: 0.8rem;
  margin-bottom: 1rem;
}

#entryTable input,
#nisaTable input {
  background: var(--navy);
  color: var(--white);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.3rem 0.5rem;
  font-size: 0.82rem;
  width: 100%;
}

#entryTable input:focus,
#nisaTable input:focus {
  outline: none;
  border-color: var(--gold);
}

#entryTable select {
  background: var(--navy);
  color: var(--white);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.3rem 0.4rem;
  font-size: 0.82rem;
}

#entryTable input[type="checkbox"],
#nisaTable input[type="checkbox"] {
  width: auto;
}

/* ===== Footer ===== */
footer {
  text-align: center;
  padding: 1.5rem;
  color: var(--gray);
  font-size: 0.8rem;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .sidebar {
    width: 60px;
    --sidebar-w: 60px;
  }

  .sidebar-header h1 {
    font-size: 0.7rem;
  }

  .nav-link {
    font-size: 0.75rem;
    padding: 0.6rem;
    text-align: center;
  }

  .sidebar-footer {
    padding: 0.5rem;
  }

  .sidebar-footer .btn {
    font-size: 0.65rem;
    padding: 0.3rem;
  }

  .main-content {
    margin-left: 60px;
    padding: 1rem;
  }

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

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

  .two-col {
    grid-template-columns: 1fr;
  }

  .big-number {
    font-size: 1.4rem;
  }
}

@media (max-width: 600px) {
  .summary-section {
    grid-template-columns: 1fr;
  }
}