/* ============================================================
   MOL 船舶管理リスト — style.css
   Color palette:
     Slate-grey   #475569 / #64748b / #94a3b8
     Soft-blue    #2563eb / #3b82f6 / #93c5fd / #dbeafe
     White        #ffffff / #f8fafc / #f1f5f9
   ============================================================ */

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

:root {
  --slate-900: #0f172a;
  --slate-800: #1e293b;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-400: #94a3b8;
  --slate-300: #cbd5e1;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --slate-50:  #f8fafc;

  --blue-700:  #1d4ed8;
  --blue-600:  #2563eb;
  --blue-500:  #3b82f6;
  --blue-400:  #60a5fa;
  --blue-200:  #bfdbfe;
  --blue-100:  #dbeafe;
  --blue-50:   #eff6ff;

  --green-500: #22c55e;
  --green-100: #dcfce7;
  --orange-500:#f97316;
  --orange-100:#ffedd5;
  --red-500:   #ef4444;
  --red-100:   #fee2e2;
  --yellow-400:#facc15;
  --yellow-100:#fef9c3;

  --font: 'Inter', 'Hiragino Sans', 'Meiryo', sans-serif;
  --radius: 10px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.04);
  --shadow-lg: 0 10px 30px rgba(0,0,0,.10), 0 4px 8px rgba(0,0,0,.05);
  --transition: 0.2s ease;
}

html { scroll-behavior: smooth; font-size: 15px; }
body {
  font-family: var(--font);
  background: var(--slate-100);
  color: var(--slate-700);
  line-height: 1.6;
  min-height: 100vh;
}

.hidden { display: none !important; }

/* ---------- Header ---------- */
.site-header {
  background: linear-gradient(135deg, var(--slate-800) 0%, var(--slate-900) 60%, #0d2244 100%);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-lg);
}
.header-inner {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 28px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header-brand { display: flex; align-items: center; gap: 14px; }
.brand-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 2px 8px rgba(37,99,235,.35);
}
.brand-text { display: flex; flex-direction: column; }
.brand-main { font-size: 1.08rem; font-weight: 700; letter-spacing: .02em; }
.brand-sub  { font-size: .72rem; color: var(--slate-400); letter-spacing: .03em; }

.header-meta { display: flex; align-items: center; gap: 10px; }
.meta-badge {
  display: flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: .78rem;
  color: var(--slate-300);
  white-space: nowrap;
}
.meta-badge i { color: var(--blue-400); }

/* ---------- Upload ---------- */
.upload-section {
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  background: linear-gradient(160deg, var(--slate-100) 0%, var(--blue-50) 100%);
}
.upload-card {
  background: #fff;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  padding: 56px 48px;
  text-align: center;
  max-width: 520px;
  width: 100%;
  border: 2px dashed var(--slate-300);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.upload-card.drag-over {
  border-color: var(--blue-500);
  box-shadow: 0 0 0 4px var(--blue-100), var(--shadow-lg);
}
.upload-icon {
  font-size: 3.5rem;
  color: var(--blue-500);
  margin-bottom: 20px;
  opacity: .8;
}
.upload-card h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--slate-800);
  margin-bottom: 10px;
}
.upload-card p {
  color: var(--slate-500);
  font-size: .9rem;
  margin-bottom: 24px;
}
.btn-upload {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
  color: #fff;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity var(--transition), transform var(--transition);
  box-shadow: 0 2px 8px rgba(37,99,235,.3);
}
.btn-upload:hover { opacity: .9; transform: translateY(-1px); }
.upload-hint {
  margin-top: 14px !important;
  font-size: .76rem !important;
  color: var(--slate-400) !important;
}
.btn-sample {
  margin-top: 18px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: none;
  border: 1.5px solid var(--slate-300);
  color: var(--slate-500);
  padding: 8px 20px;
  border-radius: 8px;
  font-size: .82rem;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-sample:hover { border-color: var(--blue-400); color: var(--blue-600); background: var(--blue-50); }

/* ---------- Dashboard ---------- */
.dashboard {
  max-width: 1600px;
  margin: 0 auto;
  padding: 28px 28px 48px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* KPI Bar */
.kpi-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.kpi-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 20px 22px;
  display: flex;
  align-items: center;
  gap: 16px;
  border: 1px solid var(--slate-200);
  transition: transform var(--transition), box-shadow var(--transition);
}
.kpi-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.kpi-icon {
  width: 48px; height: 48px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}
.kpi-icon.blue    { background: var(--blue-100); color: var(--blue-600); }
.kpi-icon.orange  { background: var(--orange-100); color: var(--orange-500); }
.kpi-icon.green   { background: var(--green-100); color: var(--green-500); }
.kpi-icon.slate   { background: var(--slate-100); color: var(--slate-600); }
.kpi-value { font-size: 2rem; font-weight: 800; color: var(--slate-800); line-height: 1; }
.kpi-label { font-size: .78rem; color: var(--slate-500); margin-top: 4px; }

/* Timeline Alert Banner */
.timeline-banner {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.alert-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: .82rem;
  font-weight: 500;
  border: 1px solid transparent;
}
.alert-chip.urgent {
  background: var(--red-100);
  color: #b91c1c;
  border-color: #fca5a5;
}
.alert-chip.warning {
  background: var(--yellow-100);
  color: #92400e;
  border-color: #fde68a;
}
.alert-chip.info {
  background: var(--blue-100);
  color: var(--blue-700);
  border-color: var(--blue-200);
}

/* Charts Row */
.charts-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 16px;
}
.chart-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--slate-200);
  padding: 20px;
  display: flex;
  flex-direction: column;
}
.chart-wide { /* span handled by grid */ }
.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.chart-header h3 {
  font-size: .9rem;
  font-weight: 600;
  color: var(--slate-700);
  display: flex;
  align-items: center;
  gap: 7px;
}
.chart-header h3 i { color: var(--blue-500); }
.chart-body { flex: 1; position: relative; min-height: 200px; max-height: 260px; }
.chart-body canvas { width: 100% !important; height: 100% !important; }

/* Gantt Section */
.gantt-section {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--slate-200);
  padding: 20px;
}
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 10px;
}
.section-header h2 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--slate-700);
  display: flex;
  align-items: center;
  gap: 8px;
}
.section-header h2 i { color: var(--blue-500); }

.legend-row { display: flex; gap: 14px; flex-wrap: wrap; }
.legend-item {
  display: flex; align-items: center; gap: 6px;
  font-size: .76rem; color: var(--slate-500);
}
.legend-item span {
  width: 12px; height: 12px; border-radius: 3px; display: inline-block;
}
.legend-keel span    { background: #3b82f6; }
.legend-launch span  { background: #22c55e; }
.legend-trial span   { background: #f97316; }
.legend-delivery span{ background: #8b5cf6; }

.gantt-container { overflow-x: auto; }
.gantt-table {
  min-width: 900px;
  width: 100%;
  border-collapse: collapse;
}
.gantt-header-row th {
  font-size: .72rem;
  font-weight: 600;
  color: var(--slate-500);
  padding: 6px 8px;
  text-align: center;
  border-bottom: 1px solid var(--slate-200);
  white-space: nowrap;
}
.gantt-header-row th.gantt-name-col {
  text-align: left;
  min-width: 160px;
  width: 160px;
}
.gantt-row {
  border-bottom: 1px solid var(--slate-100);
  transition: background var(--transition);
}
.gantt-row:hover { background: var(--slate-50); }
.gantt-row td { padding: 7px 8px; font-size: .8rem; }
.gantt-name { font-weight: 600; color: var(--slate-800); white-space: nowrap; font-size: .82rem; }
.gantt-yard { color: var(--slate-500); font-size: .72rem; }
.gantt-cell { position: relative; height: 28px; }
.gantt-bar {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  height: 10px;
  border-radius: 5px;
  min-width: 8px;
  cursor: pointer;
  transition: opacity var(--transition);
}
.gantt-bar:hover { opacity: .8; }
.gantt-bar.keel     { background: #3b82f6; }
.gantt-bar.launch   { background: #22c55e; }
.gantt-bar.trial    { background: #f97316; }
.gantt-bar.delivery { background: #8b5cf6; }
.gantt-bar.past     { opacity: .4; }
.gantt-today-line {
  position: absolute;
  top: 0; bottom: 0;
  width: 2px;
  background: var(--red-500);
  opacity: .7;
  pointer-events: none;
  z-index: 5;
}
.month-cell { border-left: 1px solid var(--slate-200); }
.month-today { background: rgba(239,68,68,.05); }

/* Controls Bar */
.controls-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--slate-200);
  padding: 14px 18px;
}
.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--slate-50);
  border: 1.5px solid var(--slate-200);
  border-radius: 8px;
  padding: 8px 12px;
  flex: 1;
  min-width: 200px;
}
.search-box i { color: var(--slate-400); font-size: .85rem; }
.search-box input {
  border: none;
  background: transparent;
  outline: none;
  font-size: .88rem;
  color: var(--slate-700);
  width: 100%;
  font-family: var(--font);
}
.search-box input::placeholder { color: var(--slate-400); }

.filter-group { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-select {
  border: 1.5px solid var(--slate-200);
  background: var(--slate-50);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: .82rem;
  color: var(--slate-700);
  cursor: pointer;
  outline: none;
  font-family: var(--font);
  transition: border-color var(--transition);
}
.filter-select:focus { border-color: var(--blue-400); }

.action-group { display: flex; gap: 8px; margin-left: auto; }
.btn-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
  color: #fff;
  box-shadow: 0 2px 6px rgba(37,99,235,.25);
}
.btn-action:hover { opacity: .9; transform: translateY(-1px); }
.btn-action.btn-secondary {
  background: var(--slate-100);
  color: var(--slate-600);
  box-shadow: none;
  border: 1.5px solid var(--slate-200);
}
.btn-action.btn-secondary:hover { background: var(--slate-200); }

/* Table Section */
.table-section {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--slate-200);
  overflow: hidden;
}
.table-info-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  border-bottom: 1px solid var(--slate-100);
  background: var(--slate-50);
  font-size: .82rem;
  color: var(--slate-500);
}
.col-toggle-wrap { position: relative; }
.btn-toggle-col {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: 1.5px solid var(--slate-200);
  border-radius: 7px;
  padding: 5px 12px;
  font-size: .78rem;
  cursor: pointer;
  color: var(--slate-600);
  transition: all var(--transition);
}
.btn-toggle-col:hover { border-color: var(--blue-400); color: var(--blue-600); background: var(--blue-50); }
.col-toggle-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: 10px;
  box-shadow: var(--shadow-lg);
  padding: 10px;
  z-index: 200;
  min-width: 220px;
  max-height: 320px;
  overflow-y: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}
.col-toggle-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 8px;
  border-radius: 6px;
  cursor: pointer;
  font-size: .78rem;
  color: var(--slate-600);
  user-select: none;
}
.col-toggle-item:hover { background: var(--slate-50); }
.col-toggle-item input { cursor: pointer; accent-color: var(--blue-500); }

.table-wrapper { overflow-x: auto; }
.vessel-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .8rem;
}
.vessel-table thead th {
  position: sticky;
  top: 0;
  background: var(--slate-800);
  color: #fff;
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  letter-spacing: .02em;
  z-index: 10;
}
.vessel-table thead th:hover { background: var(--slate-700); }
.vessel-table thead th .sort-icon { margin-left: 4px; opacity: .5; font-size: .7rem; }
.vessel-table thead th.sorted-asc .sort-icon,
.vessel-table thead th.sorted-desc .sort-icon { opacity: 1; color: var(--blue-300); }

.vessel-table tbody tr {
  border-bottom: 1px solid var(--slate-100);
  cursor: pointer;
  transition: background var(--transition);
}
.vessel-table tbody tr:hover { background: var(--blue-50); }
.vessel-table tbody tr.row-urgent { background: #fff5f5; }
.vessel-table tbody tr.row-warning { background: #fffbeb; }
.vessel-table tbody td { padding: 9px 12px; white-space: nowrap; color: var(--slate-700); }

/* Status badges inside table */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: .72rem;
  font-weight: 600;
  white-space: nowrap;
}
.badge-urgent  { background: var(--red-100); color: #b91c1c; }
.badge-warning { background: var(--yellow-100); color: #92400e; }
.badge-normal  { background: var(--blue-100); color: var(--blue-700); }
.badge-done    { background: var(--green-100); color: #15803d; }
.badge-grey    { background: var(--slate-100); color: var(--slate-600); }

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 14px;
  flex-wrap: wrap;
}
.page-btn {
  min-width: 34px;
  height: 34px;
  border-radius: 7px;
  border: 1.5px solid var(--slate-200);
  background: #fff;
  color: var(--slate-600);
  font-size: .8rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  font-family: var(--font);
}
.page-btn:hover:not(:disabled) { border-color: var(--blue-400); color: var(--blue-600); background: var(--blue-50); }
.page-btn.active { background: var(--blue-600); color: #fff; border-color: var(--blue-600); font-weight: 700; }
.page-btn:disabled { opacity: .35; cursor: not-allowed; }

/* Back bar */
.back-bar {
  display: flex;
  justify-content: flex-start;
}
.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: none;
  border: 1.5px solid var(--slate-300);
  color: var(--slate-500);
  padding: 9px 18px;
  border-radius: 8px;
  font-size: .82rem;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-back:hover { border-color: var(--blue-400); color: var(--blue-600); background: var(--blue-50); }

/* Empty state */
.empty-msg {
  text-align: center;
  padding: 32px;
  color: var(--slate-400);
  font-size: .88rem;
}

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,.5);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn .15s ease;
}
.modal-card {
  background: #fff;
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  max-width: 780px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}
.modal-close {
  position: absolute;
  top: 14px; right: 16px;
  width: 32px; height: 32px;
  border-radius: 8px;
  border: none;
  background: var(--slate-100);
  color: var(--slate-500);
  cursor: pointer;
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
  z-index: 10;
}
.modal-close:hover { background: var(--slate-200); }
.modal-header {
  padding: 24px 28px 16px;
  border-bottom: 1px solid var(--slate-100);
}
.modal-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--slate-800);
  margin-bottom: 6px;
}
.modal-subtitle { font-size: .82rem; color: var(--slate-500); }
.modal-body { padding: 20px 28px 28px; }
.modal-section {
  margin-bottom: 20px;
}
.modal-section-title {
  font-size: .78rem;
  font-weight: 700;
  color: var(--blue-600);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--blue-100);
}
.modal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px 20px;
}
.modal-field { }
.modal-field-label {
  font-size: .72rem;
  color: var(--slate-400);
  font-weight: 500;
  margin-bottom: 2px;
}
.modal-field-value {
  font-size: .85rem;
  color: var(--slate-800);
  font-weight: 500;
}
.modal-field-value.highlight {
  color: var(--blue-600);
  font-weight: 700;
}

/* Timeline milestones in modal */
.milestone-list { display: flex; flex-direction: column; gap: 8px; }
.milestone-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--slate-50);
}
.milestone-dot {
  width: 10px; height: 10px; border-radius: 50%;
  flex-shrink: 0;
}
.milestone-dot.keel     { background: #3b82f6; }
.milestone-dot.launch   { background: #22c55e; }
.milestone-dot.trial    { background: #f97316; }
.milestone-dot.delivery { background: #8b5cf6; }
.milestone-label { font-size: .8rem; color: var(--slate-600); flex: 1; }
.milestone-date  { font-size: .82rem; font-weight: 600; color: var(--slate-800); }
.milestone-item.done { opacity: .55; }
.milestone-item.next {
  background: var(--blue-50);
  border: 1px solid var(--blue-100);
}
.milestone-item.next .milestone-date { color: var(--blue-600); }

/* ---------- Toast ---------- */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  background: var(--slate-800);
  color: #fff;
  padding: 12px 18px;
  border-radius: 10px;
  font-size: .84rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 9px;
  pointer-events: all;
  animation: slideUp .25s ease;
  max-width: 320px;
}
.toast.success { background: #16a34a; }
.toast.error   { background: #dc2626; }
.toast.info    { background: var(--blue-600); }

@keyframes fadeIn  { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }

/* ---------- Responsive ---------- */
@media (max-width: 1200px) {
  .charts-row { grid-template-columns: 1fr 1fr; }
  .chart-card.chart-wide { grid-column: 1 / -1; }
}
@media (max-width: 900px) {
  .kpi-bar { grid-template-columns: repeat(2, 1fr); }
  .charts-row { grid-template-columns: 1fr; }
  .modal-grid { grid-template-columns: repeat(2, 1fr); }
  .dashboard { padding: 16px 16px 40px; }
}
@media (max-width: 600px) {
  .kpi-bar { grid-template-columns: 1fr; }
  .header-inner { padding: 0 16px; }
  .upload-card { padding: 36px 24px; }
  .controls-bar { flex-direction: column; align-items: stretch; }
  .filter-group { flex-direction: column; }
  .action-group { margin-left: 0; }
  .modal-grid { grid-template-columns: 1fr; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 7px; height: 7px; }
::-webkit-scrollbar-track { background: var(--slate-100); }
::-webkit-scrollbar-thumb { background: var(--slate-300); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--slate-400); }