:root{--font-mono: "IBM Plex Mono", "Roboto Mono", "Consolas", "Courier New", monospace;--font-size-base: 13px;--line-height: 1.5;--c-bg: #0a0a0a;--c-bg-panel: #0d170d;--c-bg-input: #0f200f;--c-bg-hover: #112211;--c-text: #b8d4b8;--c-text-muted: #5a7a5a;--c-text-dim: #3a5a3a;--c-accent: #00aa00;--c-accent-dim: #006600;--c-border: #1a3a1a;--c-border-focus: #00aa00;--c-ok: #00aa00;--c-warn: #aa8800;--c-error: #cc3300;--c-stale: #aa8800;--c-lost: #cc3300;--status-bar-h: 36px;--info-panel-w: 320px;--settings-panel-w: 360px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;background:var(--c-bg);color:var(--c-text);font-family:var(--font-mono);font-size:var(--font-size-base);line-height:var(--line-height);-webkit-font-smoothing:antialiased}#root{height:100%}a{color:var(--c-accent);text-decoration:none}a:hover,a:focus{text-decoration:underline;outline:none}.app-root{display:flex;flex-direction:column;height:100%;overflow:hidden}.app-layout{display:flex;flex:1;overflow:hidden;position:relative}.radar-area{flex:1;position:relative;overflow:hidden;background:var(--c-bg);display:flex;flex-direction:column}.radar-loading{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;color:var(--c-text-muted);font-size:14px;letter-spacing:.05em}.radar-canvas-placeholder{flex:1;display:flex;align-items:center;justify-content:center;border:1px dashed var(--c-border);border-radius:50%;margin:24px;aspect-ratio:1;max-width:calc(100vh - var(--status-bar-h) - 48px);align-self:center}.radar-canvas-placeholder__inner{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--c-text-muted);text-align:center}.radar-canvas-placeholder__label{font-size:20px;color:var(--c-accent-dim);letter-spacing:.1em}.radar-canvas-placeholder__sub{font-size:11px}.radar-canvas-placeholder__note{font-size:10px;color:var(--c-text-dim);margin-top:8px}.status-bar{flex-shrink:0;height:var(--status-bar-h);background:var(--c-bg-panel);border-top:1px solid var(--c-border);display:flex;align-items:center;justify-content:space-between;padding:0 12px;gap:8px;overflow:hidden;white-space:nowrap}.status-bar__items{display:flex;align-items:center;gap:6px;min-width:0;overflow:hidden}.status-bar__item{display:flex;align-items:center;gap:4px;font-size:11px;flex-shrink:0}.status-bar__label{color:var(--c-text-muted)}.status-bar__sep{color:var(--c-border);flex-shrink:0}.status-bar__badge{font-size:10px;font-weight:700;padding:1px 5px;border-radius:2px;letter-spacing:.05em}.status-bar__badge--ok{color:var(--c-ok);border:1px solid var(--c-ok)}.status-bar__badge--warn{color:var(--c-warn);border:1px solid var(--c-warn)}.status-bar__badge--error{color:var(--c-error);border:1px solid var(--c-error)}.status-bar__badge--neutral{color:var(--c-text-muted);border:1px solid var(--c-text-muted)}.status-bar__settings-btn{flex-shrink:0;background:none;border:1px solid var(--c-border);color:var(--c-text-muted);font-size:16px;width:28px;height:28px;display:flex;align-items:center;justify-content:center;cursor:pointer;border-radius:3px;transition:color .15s,border-color .15s}.status-bar__settings-btn:hover,.status-bar__settings-btn:focus{color:var(--c-accent);border-color:var(--c-accent);outline:none}.error-banner{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 16px;background:#1a0500;border-bottom:1px solid var(--c-error);font-size:12px;color:#f97;flex-shrink:0}.error-banner--critical{background:#200800}.error-banner__message{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.error-banner__actions{display:flex;gap:8px;flex-shrink:0}.error-banner__btn{background:none;border:1px solid var(--c-error);color:var(--c-error);font-family:var(--font-mono);font-size:11px;padding:2px 10px;cursor:pointer;border-radius:2px;transition:background .1s}.error-banner__btn:hover,.error-banner__btn:focus{background:#cc330026;outline:none}.error-banner__btn--dismiss{color:var(--c-text-muted);border-color:var(--c-border)}.error-banner__btn--dismiss:hover,.error-banner__btn--dismiss:focus{background:#ffffff0d}.attribution-footer{position:absolute;bottom:8px;left:12px;font-size:10px;color:var(--c-text-dim);pointer-events:none;z-index:5}.attribution-footer a{pointer-events:all;color:var(--c-accent-dim)}.info-panel{position:absolute;top:0;right:0;bottom:0;width:var(--info-panel-w);background:#0d170ded;border-left:1px solid var(--c-border);display:flex;flex-direction:column;overflow:hidden;z-index:50;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.info-panel__header{display:flex;align-items:flex-start;justify-content:space-between;padding:12px 14px 10px;border-bottom:1px solid var(--c-border);flex-shrink:0;gap:8px}.info-panel__title-row{display:flex;flex-direction:column;gap:4px;min-width:0}.info-panel__title{font-size:16px;font-weight:700;color:var(--c-accent);letter-spacing:.08em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.info-panel__badges{display:flex;flex-wrap:wrap;gap:4px}.info-panel__close{background:none;border:none;color:var(--c-text-muted);font-size:16px;cursor:pointer;padding:2px 6px;border-radius:2px;flex-shrink:0;line-height:1;transition:color .1s}.info-panel__close:hover,.info-panel__close:focus{color:var(--c-text);outline:none}.info-panel__body{flex:1;overflow-y:auto;padding-bottom:16px}.info-panel__section{padding:10px 14px 0}.info-panel__section-title{font-size:9px;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--c-text-muted);margin-bottom:6px;border-bottom:1px solid var(--c-border);padding-bottom:4px}.info-panel__table{width:100%;border-collapse:collapse;font-size:11px}.info-panel__row td{padding:3px 0;vertical-align:top}.info-panel__key{color:var(--c-text-muted);width:110px;flex-shrink:0;padding-right:8px}.info-panel__val{color:var(--c-text);word-break:break-word}.badge{display:inline-block;font-size:9px;font-weight:700;letter-spacing:.08em;padding:1px 5px;border-radius:2px}.badge--stale{color:var(--c-warn);border:1px solid var(--c-warn);background:#aa88001a}.badge--lost{color:var(--c-lost);border:1px solid var(--c-lost);background:#cc33001a}.badge--flag{color:var(--c-accent-dim);border:1px solid var(--c-accent-dim)}.info-panel__badges .badge+.badge{margin-left:4px}.info-panel__footer{flex-shrink:0;padding:10px 14px 14px;border-top:1px solid var(--c-border)}.info-panel__footer-links{display:flex;gap:8px;flex-wrap:wrap}.settings-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;background:#0009;display:flex;justify-content:flex-end}.settings-panel{width:var(--settings-panel-w);max-width:100vw;height:100%;background:var(--c-bg-panel);border-left:1px solid var(--c-border);display:flex;flex-direction:column;overflow:hidden}.settings-panel__header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px 12px;border-bottom:1px solid var(--c-border);flex-shrink:0}.settings-panel__title{font-size:14px;font-weight:700;color:var(--c-accent);letter-spacing:.08em}.settings-panel__close{background:none;border:none;color:var(--c-text-muted);font-size:16px;cursor:pointer;padding:2px 6px;border-radius:2px;transition:color .1s}.settings-panel__close:hover,.settings-panel__close:focus{color:var(--c-text);outline:none}.settings-panel__form{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:16px}.settings-panel__actions{display:flex;gap:10px;padding-top:8px;border-top:1px solid var(--c-border);margin-top:auto;flex-shrink:0}.settings-panel__build-info{margin:0;padding-top:10px;font-size:10px;color:var(--c-muted, rgba(0, 204, 51, .4));text-align:center;font-family:monospace;flex-shrink:0}.callsign-list{position:absolute;top:12px;left:12px;bottom:90px;z-index:10;display:flex;flex-direction:column;width:418px;background:#0d170de6;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);border:1px solid var(--c-border);border-radius:4px;pointer-events:none}.callsign-list--collapsed{bottom:auto}.callsign-list__toggle{pointer-events:all;flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;width:100%;background:transparent;border:none;border-bottom:1px solid var(--c-border);border-radius:4px 4px 0 0;padding:5px 9px;font-family:monospace;font-size:9px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#00b433a6;cursor:pointer;transition:color 80ms,background-color 80ms}.callsign-list__toggle:hover{color:#00ff50e6;background:#00cc3314}.callsign-list--collapsed .callsign-list__toggle{border-bottom:none;border-radius:4px}.callsign-list__body{pointer-events:all;flex:1 1 0;min-height:0;overflow-y:auto;overflow-x:hidden;display:grid;grid-template-columns:repeat(4,96px);gap:2px 6px;align-content:start;padding:6px 8px 8px;scrollbar-width:thin;scrollbar-color:rgba(0,180,51,.35) transparent}.callsign-list__body::-webkit-scrollbar{width:4px}.callsign-list__body::-webkit-scrollbar-track{background:transparent}.callsign-list__body::-webkit-scrollbar-thumb{background:#00b43359;border-radius:2px}.callsign-list__body::-webkit-scrollbar-thumb:hover{background:#00cc448c}.callsign-list__item{pointer-events:all;width:96px;background:transparent;border:none;padding:2px 5px;border-radius:2px;font-family:monospace;line-height:1.3;display:flex;flex-direction:column;gap:1px;text-align:left;cursor:pointer;transition:background-color 80ms}.callsign-list__cs{font-size:11px;font-weight:600;color:#00cc44e6;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color 80ms}.callsign-list__hex{font-size:9px;font-weight:400;color:#007828b3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color 80ms}.callsign-list__item:hover{background:#00cc331f}.callsign-list__item:hover .callsign-list__cs{color:#00ff50}.callsign-list__item:hover .callsign-list__hex{color:#00be40cc}.callsign-list__item--active{background:#00cc3340}.callsign-list__item--active .callsign-list__cs,.callsign-list__item--active .callsign-list__hex{color:#fff}.field{display:flex;flex-direction:column;gap:4px}.field--fieldset{border:1px solid var(--c-border);padding:10px 12px;border-radius:3px}.field--row{flex-direction:row;align-items:center;gap:16px}.field__label,legend.field__label{font-size:11px;font-weight:700;color:var(--c-text-muted);letter-spacing:.05em;text-transform:uppercase;margin-bottom:2px}.field__sublabel{font-size:10px;color:var(--c-text-muted);display:block;margin-bottom:2px}.field__input{background:var(--c-bg-input);border:1px solid var(--c-border);color:var(--c-text);font-family:var(--font-mono);font-size:12px;padding:5px 8px;border-radius:3px;width:100%;transition:border-color .15s;-webkit-appearance:none;-moz-appearance:none;appearance:none}.field__input:focus{outline:none;border-color:var(--c-border-focus)}.field__input--error{border-color:var(--c-error)!important}.field__input option{background:var(--c-bg-panel);color:var(--c-text)}.field__radios{display:flex;gap:16px;padding-top:4px}.field__radio-label{display:flex;align-items:center;gap:6px;font-size:12px;cursor:pointer;-webkit-user-select:none;user-select:none}.field__radio{accent-color:var(--c-accent);cursor:pointer}.field__checkbox-label{display:flex;align-items:center;gap:6px;font-size:12px;cursor:pointer;-webkit-user-select:none;user-select:none}.field__checkbox{accent-color:var(--c-accent);cursor:pointer}.field__range{width:100%;accent-color:var(--c-accent);cursor:pointer;height:20px}.field__coord-row{display:flex;gap:10px}.field__coord{flex:1;display:flex;flex-direction:column;gap:2px}.field__coord-actions{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap}.field__icao-row{display:flex;gap:6px;align-items:center;margin-bottom:8px}.field__icao-row .field__input{flex:1;text-transform:uppercase;letter-spacing:.06em}.field-hint{font-size:10px;color:var(--c-text-muted)}.field-hint--error{color:var(--c-error)}.field-hint--ok{color:#00cc44d9}.btn{font-family:var(--font-mono);font-size:12px;padding:6px 14px;border-radius:3px;cursor:pointer;border:1px solid transparent;transition:background .15s,border-color .15s,color .15s;white-space:nowrap;flex-shrink:0}.btn:focus{outline:2px solid var(--c-accent);outline-offset:2px}.btn:disabled{opacity:.4;cursor:not-allowed}.btn--primary{background:var(--c-accent-dim);border-color:var(--c-accent);color:var(--c-text)}.btn--primary:hover:not(:disabled){background:#050}.btn--secondary{background:transparent;border-color:var(--c-border);color:var(--c-text-muted)}.btn--secondary:hover:not(:disabled){border-color:var(--c-accent-dim);color:var(--c-text)}.btn--sm{font-size:11px;padding:4px 10px}.geo-btn-wrap{display:flex;flex-direction:column;gap:4px}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--c-bg)}::-webkit-scrollbar-thumb{background:var(--c-border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--c-accent-dim)}@media (max-width: 900px){:root{--info-panel-w: 280px;--settings-panel-w: 100vw}.status-bar__item:nth-child(n+11){display:none}.status-bar__sep:nth-child(n+10){display:none}}@media (max-width: 640px){.info-panel{top:0;right:0;bottom:0;left:0;width:100%;border-left:none;border-top:1px solid var(--c-border)}.radar-canvas-placeholder{margin:12px}}