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

:root {
  --bg-dark:    #0d1117;
  --bg-panel:   #161b22;
  --bg-card:    #21262d;
  --bg-hover:   #30363d;
  --accent:     #58a6ff;
  --accent2:    #3fb950;
  --text-prim:  #e6edf3;
  --text-sec:   #8b949e;
  --border:     #30363d;
  --shadow:     rgba(0,0,0,0.4);
  --header-h:   56px;
  --sidebar-w:  320px;
  --panel-r-w:  280px;
}

html, body { height: 100%; font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif; background: var(--bg-dark); color: var(--text-prim); font-size: 13px; }

#header {
  position: fixed; top: 0; left: 0; right: 0; height: var(--header-h);
  background: var(--bg-panel); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; padding: 0 16px; gap: 16px; z-index: 1000;
}
#header .logo { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 15px; color: var(--text-prim); text-decoration: none; }
#header .logo svg { color: var(--accent); }
#header .subtitle { color: var(--text-sec); font-size: 12px; border-left: 1px solid var(--border); padding-left: 12px; }
#header .spacer { flex: 1; }
#header .badge { background: var(--bg-card); border: 1px solid var(--border); border-radius: 4px; padding: 3px 8px; font-size: 11px; color: var(--text-sec); }

#layout {
  display: flex; height: 100vh; padding-top: var(--header-h);
}

#sidebar {
  width: var(--sidebar-w); flex-shrink: 0;
  background: var(--bg-panel); border-right: 1px solid var(--border);
  overflow-y: auto; display: flex; flex-direction: column; gap: 0;
}
.sidebar-section { border-bottom: 1px solid var(--border); padding: 14px 16px; }
.sidebar-section:last-child { border-bottom: none; }
.section-title {
  font-size: 10px; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--text-sec); margin-bottom: 10px;
}

.port-btn {
  display: flex; align-items: center; gap: 10px;
  width: 100%; background: none; border: 1px solid transparent;
  border-radius: 6px; padding: 8px 10px; cursor: pointer;
  color: var(--text-prim); text-align: left; margin-bottom: 4px;
  transition: background 0.15s, border-color 0.15s;
}
.port-btn:hover { background: var(--bg-hover); }
.port-btn.active { background: rgba(88,166,255,0.12); border-color: var(--accent); }
.port-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.port-info { flex: 1; min-width: 0; }
.port-name { font-weight: 500; font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.port-meta { font-size: 11px; color: var(--text-sec); }
.port-chevron { color: var(--text-sec); font-size: 10px; }
.port-btn.active .port-chevron { color: var(--accent); }
.port-btn.compare { background: rgba(255,123,114,0.10); border-color: rgba(255,123,114,0.65); }
.port-btn.compare .port-chevron { color: #ff7b72; }

.filter-row { display: flex; flex-direction: column; gap: 8px; margin-bottom: 10px; }
.filter-label { font-size: 11px; color: var(--text-sec); display: flex; justify-content: space-between; }
.filter-label span { color: var(--accent); font-weight: 600; }
input[type="range"] {
  width: 100%; accent-color: var(--accent);
  height: 4px; cursor: pointer;
}

.type-grid { display: flex; flex-wrap: wrap; gap: 5px; }
.type-tag {
  display: flex; align-items: center; gap: 4px;
  padding: 3px 7px; border-radius: 10px; font-size: 11px; font-weight: 500;
  border: 1px solid transparent; cursor: pointer; transition: opacity 0.15s;
  background: var(--bg-card);
}
.type-tag.inactive { opacity: 0.35; }
.type-dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }

.pattern-row { display: flex; gap: 4px; flex-wrap: wrap; }
.pattern-btn {
  padding: 3px 8px; border-radius: 4px; font-size: 11px; cursor: pointer;
  background: var(--bg-card); border: 1px solid var(--border); color: var(--text-sec);
  transition: background 0.15s, color 0.15s, border-color 0.15s, opacity 0.15s;
}
.pattern-btn:hover { background: var(--bg-hover); color: var(--text-prim); }
.pattern-btn[data-pattern="all"].active { background: rgba(88,166,255,0.15); border-color: var(--accent); color: var(--accent); }
.pattern-btn[data-pattern="inbound"].active  { background: rgba(63,185,80,0.12);  border-color: rgba(63,185,80,0.5);  color: #3fb950; }
.pattern-btn[data-pattern="outbound"].active { background: rgba(47,129,247,0.12); border-color: rgba(47,129,247,0.5); color: #2f81f7; }
.pattern-btn[data-pattern="anchored"].active { background: rgba(240,136,62,0.12); border-color: rgba(240,136,62,0.5); color: #f0883e; }
.pattern-btn[data-pattern="coastal"].active  { background: rgba(188,140,255,0.12);border-color: rgba(188,140,255,0.5);color: #bc8cff; }
.pattern-btn:not(.active) { opacity: 0.45; }

.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.stat-card { background: var(--bg-card); border-radius: 6px; padding: 8px 10px; }
.stat-val { font-size: 16px; font-weight: 700; color: var(--text-prim); line-height: 1; }
.stat-lbl { font-size: 10px; color: var(--text-sec); margin-top: 2px; }

#map-container {
  flex: 1; min-width: 300px; position: relative; background: #0a0e14;
}
#map { width: 100%; height: 100%; }

.map-ctrl {
  position: absolute; background: var(--bg-panel); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 12px; z-index: 500;
}
#map-legend { bottom: 24px; left: 12px; min-width: 140px; }
#view-toggles { top: 12px; right: 12px; display: flex; gap: 4px; }
.view-btn {
  padding: 5px 10px; border-radius: 5px; font-size: 11px; cursor: pointer;
  background: var(--bg-card); border: 1px solid var(--border); color: var(--text-sec);
  transition: background 0.15s, opacity 0.15s;
}
.view-btn:hover:not(:disabled) { background: var(--bg-hover); }
.view-btn.active { background: rgba(88,166,255,0.15); border-color: var(--accent); color: var(--accent); cursor: default; }
.view-btn:disabled { opacity: 0.4; cursor: default; }

.legend-row { display: flex; align-items: center; gap: 6px; margin-top: 4px; font-size: 11px; color: var(--text-sec); }
.legend-line { width: 20px; height: 3px; border-radius: 1px; }

#right-panel {
  width: var(--panel-r-w); flex-shrink: 0;
  background: var(--bg-panel); border-left: 1px solid var(--border);
  overflow-y: auto; display: flex; flex-direction: column;
}
.rp-section { border-bottom: 1px solid var(--border); padding: 14px 14px; }
.rp-section:last-child { border-bottom: none; }

.chart-wrap { width: 100%; position: relative; }
#chart-monthly{ height: 100px; width: 100%; display: block; }
#chart-hourly,
#chart-hourly-compare { height: 110px; width: 100%; display: block; }
#chart-sog,
#chart-sog-compare    { height: 90px;  width: 100%; display: block; }
#chart-types,
#chart-types-compare  { height: 160px; width: 100%; display: block; }
#chart-status,
#chart-status-compare { height: 130px; width: 100%; display: block; }

.month-ticks {
  display: flex; justify-content: space-between;
  padding: 0 1px; margin-top: 2px;
}
.month-ticks span {
  font-size: 9px; color: var(--text-sec); line-height: 1;
  width: calc(100% / 12); text-align: center;
}


.vessel-popup { min-width: 160px; }
.vp-title { font-weight: 700; font-size: 13px; color: var(--accent); margin-bottom: 6px; }
.vp-row { display: flex; justify-content: space-between; font-size: 11px; margin-bottom: 2px; color: var(--text-sec); }
.vp-row span { color: var(--text-prim); }

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.leaflet-container { background: #0a0e14 !important; }
.leaflet-tile { filter: brightness(0.85) contrast(1.05) saturate(0.7); }
.leaflet-popup-content-wrapper {
  background: var(--bg-card) !important; border: 1px solid var(--border) !important;
  color: var(--text-prim) !important; border-radius: 8px !important;
  box-shadow: 0 4px 20px var(--shadow) !important;
}
.leaflet-popup-tip { background: var(--bg-card) !important; }
.leaflet-control-zoom a { background: var(--bg-panel) !important; color: var(--text-prim) !important; border-color: var(--border) !important; }
.leaflet-control-zoom a:hover { background: var(--bg-hover) !important; }

#loading {
  position: fixed; inset: 0; background: var(--bg-dark);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  z-index: 9999; gap: 16px;
}
#loading .spinner {
  width: 36px; height: 36px; border: 3px solid var(--border);
  border-top-color: var(--accent); border-radius: 50%; animation: spin 0.8s linear infinite;
}
#loading .load-text { color: var(--text-sec); font-size: 13px; }
@keyframes spin { to { transform: rotate(360deg); } }

.tab-bar { display: flex; border-bottom: 1px solid var(--border); }
.tab-btn {
  flex: 1; padding: 8px; font-size: 11px; font-weight: 500; cursor: pointer;
  background: none; border: none; color: var(--text-sec); border-bottom: 2px solid transparent;
  transition: color 0.15s;
}
.tab-btn:hover { color: var(--text-prim); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

.port-detail-card { display: none; }
.port-detail-card.visible { display: block; }
.pdc-header { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.pdc-dot { width: 12px; height: 12px; border-radius: 50%; }
.pdc-name { font-weight: 700; font-size: 13px; }
.pdc-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-bottom: 10px; }
.pdc-stat { background: var(--bg-dark); border-radius: 5px; padding: 7px 9px; }
.pdc-stat-val { font-size: 15px; font-weight: 700; line-height: 1; }
.pdc-stat-lbl { font-size: 10px; color: var(--text-sec); margin-top: 2px; }
.pdc-stat-rows { display: flex; flex-direction: column; gap: 8px; margin-bottom: 10px; }
.pdc-stat-row { background: var(--bg-dark); border: 1px solid var(--border); border-radius: 6px; padding: 8px; }
.pdc-stat-row.compare { border-color: rgba(255,123,114,0.45); background: rgba(255,123,114,0.05); }
.pdc-stat-row-head { display: flex; align-items: center; gap: 8px; margin-bottom: 7px; }
.pdc-row-title { min-width: 0; }
.pdc-role { font-size: 9px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--text-sec); }
.pdc-row-name { font-size: 11px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pdc-row-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 5px; }
.pdc-row-metric { background: var(--bg-panel); border-radius: 5px; padding: 6px 7px; min-width: 0; }
.pdc-compare-control { margin: 10px 0 12px; }
.pdc-compare-control label { display: block; font-size: 10px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--text-sec); margin-bottom: 5px; }
.pdc-compare-control select { width: 100%; background: var(--bg-dark); border: 1px solid var(--border); border-radius: 5px; color: var(--text-prim); padding: 6px 8px; font-size: 11px; }
.pdc-types { display: flex; flex-wrap: wrap; gap: 4px; }
.pdc-type-chip {
  padding: 2px 7px; border-radius: 10px; font-size: 10px; font-weight: 500;
  background: rgba(88,166,255,0.12); color: var(--accent); border: 1px solid rgba(88,166,255,0.25);
}

.no-port-msg { color: var(--text-sec); font-size: 12px; text-align: center; padding: 20px 10px; }

.activity-context-bar {
  padding: 5px 14px; background: var(--bg-dark);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 6px;
}
.activity-context-bar.compare { border-top: 1px solid rgba(255,123,114,0.35); }
.compare-chart-group { display: none; }
.compare-chart-group.visible { display: block; }
#activity-context-label,
#fleet-context-label,
#activity-compare-context-label,
#fleet-compare-context-label {
  font-size: 10px; font-weight: 600; letter-spacing: .05em;
  text-transform: uppercase; color: var(--text-sec);
}
#activity-context-label.port-mode,
#fleet-context-label.port-mode { color: var(--accent); }
#activity-compare-context-label,
#fleet-compare-context-label { color: #ff7b72; }
.chart-scope-note {
  font-size: 9px; font-weight: 400; text-transform: none;
  letter-spacing: 0; color: var(--text-sec); opacity: .75;
}

/* ── Play animation buttons ─────────────────────────────────────────── */
.play-controls { display: flex; gap: 6px; margin-top: 2px; }
.play-btn {
  flex: 1; padding: 5px 0; border-radius: 5px; font-size: 11px; font-weight: 500;
  cursor: pointer; background: var(--bg-card); border: 1px solid var(--border);
  color: var(--text-sec); transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.play-btn:hover { background: var(--bg-hover); color: var(--text-prim); }
.play-btn.playing {
  background: rgba(63,185,80,0.15); border-color: rgba(63,185,80,0.5);
  color: #3fb950;
}

/* ── Heatmap / extra map tools ──────────────────────────────────────── */
#map-tools { top: 50px; right: 12px; padding: 5px 8px; }

/* ── Radar chart ────────────────────────────────────────────────────── */
#chart-radar { height: 230px; width: 100%; display: block; }