:root{--bg: #000000;--surface: #0d0d0d;--surface-2: #171717;--border: #262626;--border-strong:#404040;--text: #f5f5f5;--text-soft: #d4d4d4;--text-muted: #a3a3a3;--accent: #3b82f6;--accent-soft: rgba(59, 130, 246, .18);--brand-brass: #d6a35a;--success: #34d399;--warning: #fbbf24;--danger: #f87171;--paper: var(--bg);--paper-2: var(--surface);--ink: var(--text);--ink-2: var(--text-soft);--muted: var(--text-muted);--line: var(--border);--brass: var(--brand-brass);--brass-2: #d6a35a;--sea: var(--accent);--warn: var(--warning);--good: var(--success);--brand-primary: var(--text);--brand-accent: var(--accent);--shadow: 0 1px 2px rgba(0, 0, 0, .5), 0 1px 3px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .5);--radius: 8px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica Neue,Arial,sans-serif;font-size:15px;font-weight:450;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.85em}.app-header{display:flex;justify-content:space-between;align-items:flex-end;padding:18px 28px 12px;border-bottom:1px solid var(--border);background:var(--bg)}.brand-eyebrow{display:block;font-family:ui-monospace,monospace;font-size:10.5px;letter-spacing:2.5px;text-transform:uppercase;color:var(--brass);margin-bottom:4px}.app-brand h1{margin:0;font-size:28px;font-weight:700;letter-spacing:-.3px}.app-meta{display:flex;align-items:center;gap:16px}.vessel-picker{display:flex;flex-direction:column;font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:2px}.vessel-picker select{margin-top:2px;padding:4px 8px;background:var(--paper);border:1px solid var(--line);border-radius:4px;color:var(--ink);font-family:inherit;font-size:13px}.conn-pill{display:inline-flex;align-items:center;gap:6px;font-family:ui-monospace,monospace;font-size:11px;letter-spacing:1.5px;text-transform:uppercase;padding:4px 10px;border-radius:999px;border:1px solid var(--line)}.conn-pill .dot{width:8px;height:8px;border-radius:50%;background:var(--muted)}.conn-open{color:var(--sea);border-color:var(--sea)}.conn-open .dot{background:var(--sea);animation:pulse 1.4s ease-in-out infinite}.conn-connecting{color:var(--brass);border-color:var(--brass)}.conn-closed{color:var(--danger);border-color:var(--danger)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}.last-seen{font-family:ui-monospace,monospace;font-size:12px;color:var(--muted)}.app-main{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);grid-template-rows:auto auto auto;gap:18px;padding:22px 28px;grid-template-areas:"propulsion  map" "nav         map" "history     history"}.panel{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:16px 18px 18px;box-shadow:var(--shadow)}.panel-title{margin:0 0 14px;font-size:16px;letter-spacing:-.005em;text-transform:none;color:var(--text);font-family:inherit;font-weight:700}.propulsion{grid-area:propulsion}.map-panel{grid-area:map;display:flex;flex-direction:column;min-height:380px}.nav-panel{grid-area:nav}.history-panel{grid-area:history}.map-frame{flex:1;border:1px solid var(--line);border-radius:4px;overflow:hidden;min-height:320px;background:#d8d2bf}.map-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:var(--muted);font-family:ui-monospace,monospace;font-size:12px;letter-spacing:2px;text-transform:uppercase}.propulsion-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.engine-block{border:1px solid var(--line);border-radius:4px;padding:14px 16px 12px;background:var(--paper-2)}.engine-block-title{font-family:ui-monospace,monospace;font-size:11px;letter-spacing:2.5px;color:var(--ink);font-weight:700;margin-bottom:6px}.engine-block-row{display:grid;grid-template-columns:auto 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24px}.stat.tank{grid-column:1 / -1}.tank-bar{height:14px;border:1px solid var(--line);border-radius:3px;overflow:hidden;background:var(--paper-2);margin:4px 0}.tank-bar-fill{height:100%;background:linear-gradient(90deg,var(--sea),var(--brass));transition:width .4s ease}.history-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.chart-card{border:1px solid var(--line);border-radius:4px;padding:10px 12px 8px;background:var(--paper-2)}.chart-title{font-family:ui-monospace,monospace;font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--ink)}.chart-unit{color:var(--muted)}.chart-error{font-size:11px;color:var(--danger);margin-top:4px}.chart-body{margin-top:4px}.app-footer{border-top:1.5px solid var(--ink);padding:10px 28px;font-family:ui-monospace,monospace;font-size:11px;color:var(--muted);letter-spacing:1px;background:var(--paper-2)}.boot-screen{height:100vh;display:flex;align-items:center;justify-content:center;color:var(--muted);font-family:ui-monospace,monospace;letter-spacing:2px;text-transform:uppercase;font-size:12px}.login-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 20% 20%,rgba(184,134,65,.1),transparent 50%),radial-gradient(circle at 80% 80%,rgba(43,106,118,.1),transparent 50%),var(--paper);padding:24px}.login-card{width:min(420px,100%);background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:28px 28px 22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px}.login-logo{display:block;width:48px;height:48px;border-radius:11px;margin-bottom:14px;box-shadow:0 3px 12px 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10px}.login-submit{margin-top:4px;padding:10px 14px;font-family:inherit;font-size:14px;font-weight:600;letter-spacing:.5px;background:var(--ink);color:var(--paper);border:none;border-radius:4px;cursor:pointer;transition:background .15s ease}.login-submit:hover:not(:disabled){background:var(--ink-2)}.login-submit:disabled{opacity:.5;cursor:not-allowed}.login-footnote{margin:12px 0 0;font-size:11px;color:var(--muted);line-height:1.5;text-align:center}.logout-btn{font-family:ui-monospace,monospace;font-size:11px;letter-spacing:1.5px;text-transform:uppercase;background:transparent;border:1px solid var(--line);color:var(--muted);padding:4px 10px;border-radius:999px;cursor:pointer;transition:all .15s ease}.logout-btn:hover{border-color:var(--ink);color:var(--ink)}@media (max-width: 1024px){.app-main{grid-template-columns:1fr;grid-template-areas:"propulsion" "map" "nav" "history"}.map-panel{min-height:320px}.history-grid{grid-template-columns:1fr}}.app-shell{display:grid;grid-template-columns:232px 1fr;grid-template-rows:56px 1fr;grid-template-areas:"sidebar topbar" "sidebar content";min-height:100vh;background:var(--bg)}.sidebar{grid-area:sidebar;background:var(--bg);border-right:1px solid var(--border);padding:18px 14px 14px;display:flex;flex-direction:column;gap:14px;position:sticky;top:0;height:100vh;overflow-y:auto}.sidebar-brand{display:flex;align-items:center;gap:10px;padding:4px 6px 14px;border-bottom:1px solid var(--border)}.sidebar-mark{width:30px;height:30px;display:inline-flex;border-radius:7px;box-shadow:0 1px 4px #00000073}.sidebar-title{font-weight:700;font-size:15px;color:var(--text);letter-spacing:-.01em}.sidebar-tenant{font-size:12px;color:var(--text-muted);margin-top:1px;font-weight:500}.sidebar-nav{display:flex;flex-direction:column;gap:1px}.sidebar-nav-item{display:flex;align-items:center;gap:10px;padding:8px 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var(--accent-soft);outline-offset:-1px;border-color:var(--accent)}.sidebar-footer{margin-top:auto;padding-top:12px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:6px}.sidebar-lang{display:flex;flex-direction:column;gap:4px;font-size:11px;color:var(--text-muted);font-weight:500;padding:4px 6px 0}.sidebar-lang select{padding:6px 9px;font-size:13px;background:var(--bg);border:1px solid var(--border);border-radius:6px;color:var(--text);font-family:inherit}.sidebar-lang select:focus{outline:2px solid var(--accent-soft);outline-offset:-1px;border-color:var(--accent)}.sidebar-user-email{font-size:12px;color:var(--text);overflow:hidden;text-overflow:ellipsis;padding:0 6px}.sidebar-user-role{font-size:10.5px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;padding:0 6px}.sidebar-logout{margin-top:4px;padding:7px 10px;background:transparent;border:1px solid var(--border);border-radius:6px;cursor:pointer;font-size:12.5px;color:var(--text-soft);font-family:inherit}.sidebar-logout:hover{background:var(--surface);border-color:var(--border-strong)}.topbar{grid-area:topbar;display:flex;align-items:center;justify-content:space-between;padding:0 24px;background:var(--bg);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.topbar-left{display:flex;align-items:center;gap:12px;min-width:0}.nav-toggle{display:none;align-items:center;justify-content:center;width:38px;height:38px;flex:0 0 auto;background:transparent;border:1px solid var(--border);border-radius:8px;color:var(--text);cursor:pointer;padding:0}.nav-toggle:hover{background:var(--surface);border-color:var(--border-strong)}.topbar-brand{display:none;font-weight:700;font-size:16px;color:var(--text);letter-spacing:-.01em}.sidebar-close{display:none;margin-left:auto;align-items:center;justify-content:center;width:32px;height:32px;flex:0 0 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var(--border);gap:24px}.view-eyebrow{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);font-weight:700;margin-bottom:6px}.view-title{margin:0;font-size:32px;font-weight:800;letter-spacing:-.02em;color:var(--text);line-height:1.15}.view-subtitle{font-size:15px;color:var(--text-muted);margin-top:8px;font-weight:500}.view-header-meta{display:flex;flex-direction:column;align-items:flex-end;gap:6px}.conn-pill{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:11px;text-transform:uppercase;letter-spacing:1.5px}.conn-pill .dot{width:7px;height:7px;border-radius:50%;display:inline-block;background:var(--muted)}.conn-open{background:#2b6a761f;color:var(--sea)}.conn-open .dot{background:var(--sea)}.conn-connecting{background:#b886412e;color:var(--brass)}.conn-connecting .dot{background:var(--brass)}.conn-closed{background:#a14a2a2e;color:var(--danger)}.conn-closed .dot{background:var(--danger)}.last-update{font-size:11px;color:var(--muted);font-family:ui-monospace,monospace}.card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow)}.card-title{font-size:15px;font-weight:700;letter-spacing:-.005em;color:var(--text);margin-bottom:16px;text-transform:none;font-family:inherit;display:flex;align-items:center;gap:8px}.card-title-aside{font-size:13px;letter-spacing:0;color:var(--text-muted);text-transform:none;font-weight:500}.fleet-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:16px}.fleet-map-card{display:flex;flex-direction:column;min-height:480px}.fleet-map-wrap{flex:1;min-height:400px;border-radius:8px;overflow:hidden}.fleet-table-card{max-height:80vh;overflow-y:auto}@media (max-width: 1100px){.fleet-grid{grid-template-columns:1fr}}.span-2{grid-column:span 2}.span-full{grid-column:1 / -1}.muted{color:var(--muted);font-size:13px}.bridge-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.bridge-map-card{grid-column:span 2;background:var(--paper-2);border:1px solid var(--line);border-radius:8px;padding:16px 18px}.bridge-compass-card{grid-column:span 2;background:var(--paper-2);border:1px solid var(--line);border-radius:8px;padding:16px 18px;display:flex;flex-direction:column;align-items:center}.map-wrap{height:340px;border-radius:6px;overflow:hidden;border:1px solid var(--line);margin-bottom:12px}.map-placeholder{display:flex;align-items:center;justify-content:center;height:100%;color:var(--muted);font-size:13px}.history-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.readout-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:10px}.readout-cell{display:flex;flex-direction:column;gap:4px;padding:6px 0}.readout-row{display:flex;justify-content:space-between;padding:4px 0;border-bottom:1px dashed 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var(--border)}.wind-readout{display:flex;flex-direction:column;gap:4px;min-width:160px}.compass-readout-item{display:flex;align-items:center;gap:8px}.compass-readout-item .dot{width:12px;height:12px;border-radius:50%;display:inline-block;box-shadow:0 0 6px currentColor}.dot-ink{background:var(--text)}.dot-sea{background:var(--accent)}.compass-label{font-size:13px;letter-spacing:.05em;text-transform:uppercase;color:var(--text-muted);font-weight:700}.compass-value{font-variant-numeric:tabular-nums;font-weight:800;font-size:22px;color:var(--text)}.tank-bars{display:flex;flex-direction:column;gap:10px}.tank-row-head{display:flex;justify-content:space-between;font-size:11.5px;margin-bottom:4px}.tank-bar{height:8px;background:var(--paper);border:1px solid var(--line);border-radius:4px;overflow:hidden}.tank-bar-fill{height:100%;background:linear-gradient(90deg,var(--brass-2),var(--brass))}.data-table{width:100%;border-collapse:collapse;font-size:14px}.data-table th,.data-table td{padding:11px 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