@layer theme{:root,:host{--font-sans:ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";--font-mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab,red,red)){::placeholder{color:color-mix(in oklab,currentcolor 50%,transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.relative{position:relative}}:root{--atlas-size:400px;--primary-color:#2563eb;--primary-hover:#1d4ed8;--border-color:#d1d5db;--bg-color:#f9fafb;--text-color:#111827;--text-muted:#6b7280}*{box-sizing:border-box}body{background-color:var(--bg-color);color:var(--text-color);margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5}#app{min-height:100vh}.app-container{max-width:1200px;margin:0 auto;padding:1rem}.app-header{text-align:center;margin-bottom:2rem}.app-header h1{margin:0 0 .5rem;font-size:1.875rem;font-weight:700}.subtitle{color:var(--text-muted);margin:0}.main-content{grid-template-columns:minmax(0,1fr) 320px;align-items:start;gap:2rem;display:grid}@media(max-width:900px){.main-content{grid-template-columns:1fr}}@media(max-width:480px){:root{--atlas-size:min(85vw,350px)}.app-container{padding:.75rem}.app-header{margin-bottom:1.25rem}.app-header h1{font-size:1.5rem}.subtitle{font-size:.875rem}.main-content{gap:1.25rem}.form-section{padding:1rem}.form-row{grid-template-columns:1fr}.btn{min-height:44px;padding:.625rem 1rem}.btn-delete{justify-content:center;align-items:center;min-width:44px;min-height:44px;display:flex}.entry-item{padding:.75rem .5rem}.autocomplete-item{min-height:44px;padding:.75rem}.modal-content{margin:1rem;padding:1.25rem}.modal-buttons{flex-direction:column-reverse}.modal-buttons .btn{width:100%}}.atlas-section{flex-direction:column;gap:1.5rem;min-width:0;display:flex;overflow:visible}.atlas-container{flex-direction:column;flex-shrink:0;align-items:center;display:flex;position:relative}.north-indicator{color:var(--text-color);-webkit-user-select:none;user-select:none;margin-bottom:.5rem;font-size:1.25rem;font-weight:700}.atlas-circle{width:var(--atlas-size);height:var(--atlas-size);aspect-ratio:1;cursor:crosshair;touch-action:manipulation;background:0 0;border:2px solid #374151;border-radius:50%;max-width:100%;position:relative;overflow:hidden}.center-dot{z-index:10;background:0 0;border:2px solid #374151;border-radius:50%;width:8px;height:8px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.crosshair{background:#d1d5db;position:absolute}.crosshair.horizontal{height:1px;top:50%;left:0;right:0;transform:translateY(-50%)}.crosshair.vertical{width:1px;top:0;bottom:0;left:50%;transform:translate(-50%)}.distance-ring{pointer-events:none;border:1px dashed #d1d5db;border-radius:50%;position:absolute}.ring-50{width:50%;height:50%;top:25%;left:25%}.ring-100{border:none;width:100%;height:100%;top:0;left:0}.distance-labels{width:var(--atlas-size);justify-content:space-between;margin-top:.5rem;padding:0 1rem;display:flex;position:relative}.distance-labels span{color:var(--text-muted);font-size:.75rem}.label-50{position:absolute;left:75%;transform:translate(-50%)}.label-100{position:absolute;right:0}#bird-markers{pointer-events:none;position:absolute;inset:0}.bird-marker{pointer-events:auto;position:absolute;transform:translate(-50%,-50%)}.marker-label{background:var(--primary-color);color:#fff;white-space:nowrap;cursor:default;border-radius:3px;padding:2px 4px;font-size:.625rem;font-weight:600;display:block}.marker-label:hover{background:var(--primary-hover)}.entries-list{background:#fff;border-radius:8px;padding:1rem;box-shadow:0 1px 3px #0000001a}.entries-list h3{margin:0 0 1rem;font-size:1rem;font-weight:600}.no-entries{color:var(--text-muted);text-align:center;padding:1rem;font-size:.875rem}.entry-item{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:.5rem;display:flex}.entry-item:last-child{border-bottom:none}.entry-info{flex-direction:column;gap:.125rem;display:flex}.entry-info strong{font-weight:600}.entry-location{color:var(--text-muted);font-size:.75rem}.btn-delete{color:#ef4444;cursor:pointer;background:0 0;border:none;border-radius:4px;padding:.25rem .5rem;font-size:1.25rem;line-height:1}.btn-delete:hover{background:#fee2e2}.sidebar{flex-direction:column;gap:1rem;display:flex}.form-section{background:#fff;border-radius:8px;padding:1.25rem;box-shadow:0 1px 3px #0000001a}.form-section h3{margin:0 0 1rem;font-size:1rem;font-weight:600}.form-section h3:not(:first-child){margin-top:1.5rem}.form-row{grid-template-columns:1fr 1fr;gap:.75rem;display:grid}.form-group{flex-direction:column;gap:.375rem;margin-bottom:.75rem;display:flex;position:relative}.form-group label{color:var(--text-color);font-size:.875rem;font-weight:500}.form-group input,.form-group textarea{border:1px solid var(--border-color);border-radius:6px;width:100%;min-width:0;min-height:44px;padding:.5rem .75rem;font-size:1rem;transition:border-color .15s,box-shadow .15s}.form-group input:focus,.form-group textarea:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 3px #2563eb1a}.form-group textarea{resize:vertical;min-height:80px}.modal{opacity:0;visibility:hidden;z-index:100;background:#00000080;justify-content:center;align-items:center;transition:opacity .2s,visibility .2s;display:flex;position:fixed;inset:0}.modal.active{opacity:1;visibility:visible}.modal-content{background:#fff;border-radius:12px;width:90%;max-width:360px;padding:1.5rem;transition:transform .2s;transform:scale(.95);box-shadow:0 25px 50px -12px #00000040}.modal.active .modal-content{transform:scale(1)}.modal-content h3{margin:0 0 1.25rem;font-size:1.125rem;font-weight:600}.location-info{color:var(--text-muted);background:#f3f4f6;border-radius:6px;margin-bottom:1rem;padding:.5rem .75rem;font-size:.875rem}.modal-buttons{justify-content:flex-end;gap:.75rem;display:flex}.btn{cursor:pointer;border:none;border-radius:6px;padding:.5rem 1rem;font-size:.875rem;font-weight:500;transition:background-color .15s}.btn-primary{background:var(--primary-color);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{color:var(--text-color);background:#e5e7eb}.btn-secondary:hover{background:#d1d5db}.autocomplete-list{border:1px solid var(--border-color);z-index:50;background:#fff;border-radius:6px;max-height:200px;display:none;position:absolute;top:100%;left:0;right:0;overflow-y:auto;box-shadow:0 10px 15px -3px #0000001a}.autocomplete-list.active{display:block}.autocomplete-item{cursor:pointer;padding:.5rem .75rem;font-size:.875rem;transition:background-color .1s}.autocomplete-item:hover{background:#f3f4f6}