:root{--paper:#f8f7f3;--ink:#292c28;--muted:#73766c;--line:#e4e5dd;--red:#b74638;--olive:#566348;--wash:#f1f3ec;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper)}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}button:focus-visible,a:focus-visible,input:focus-visible,.table-wrap:focus-visible{outline:2px solid var(--olive);outline-offset:4px}button{color:inherit}.site-header{height:88px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:0 5vw}.brand{display:flex;align-items:center;gap:12px;font-size:31px;color:var(--red);font-family:Georgia,serif}.brand span{font:600 15px ui-sans-serif,sans-serif;color:var(--ink);letter-spacing:.02em}.site-header nav{display:flex;align-items:center;gap:34px;font-size:13px}.site-header nav>a[aria-current]{color:var(--olive)}.quiet-button{border:1px solid #cccfc4;background:transparent;padding:10px 15px;border-radius:5px;font-size:12px}.quiet-button span{margin-left:9px}.chart-page{margin:48px auto;max-width:1680px;width:90vw}.eyebrow{font-size:10px;letter-spacing:.18em;font-weight:650;color:var(--olive)}.intro{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:32px}h1{font-family:Georgia,"Times New Roman",serif;font-weight:400;font-size:clamp(30px,3.4vw,48px);letter-spacing:-.035em;margin:13px 0 12px}.intro p{font-size:14px;color:var(--muted);margin:0;line-height:1.6}.legend{display:flex;align-items:center;gap:13px;font-size:12px;color:var(--muted)}.sample-circle{display:grid;place-items:center;width:43px;height:33px;border:2px solid var(--red);border-radius:49% 45% 52% 47%;transform:rotate(-9deg);font:24px Georgia,serif;color:var(--ink)}.chart-card{border:1px solid #d9ddd1;border-radius:9px;background:white;overflow:hidden}.toolbar{padding:16px 20px;display:flex;justify-content:space-between;align-items:center;gap:16px;border-bottom:1px solid var(--line)}.filters{display:flex;gap:5px}.filters button{border:0;background:transparent;min-width:35px;padding:9px 11px;border-radius:5px;font-size:12px}.filters button[aria-pressed=true]{background:var(--olive);color:white}.filters button:hover{box-shadow:inset 0 0 0 1px #b1b9a5}#save-status{font-size:11px;color:var(--olive);text-align:right}#save-status.error{color:var(--red)}.chart-help{padding:12px 20px;display:flex;justify-content:space-between;gap:15px;font-size:11px;color:var(--muted);border-bottom:1px solid var(--line)}.table-wrap{overflow:auto;max-height:65vh;min-height:320px;scrollbar-color:#c1c7b6 #f4f5f0}table{border-collapse:separate;border-spacing:0;min-width:100%;font-size:13px}th,td{height:39px;min-width:56px;padding:2px;text-align:center;border-right:1px solid #edf0e7;border-bottom:1px solid #edf0e7;white-space:nowrap}thead th{position:sticky;top:0;z-index:3;background:#edf0e5;font-weight:500;color:#515c43;height:43px}tbody th{position:sticky;left:0;z-index:2;background:#f1f3ec;font-weight:600;color:#515c43}thead th:first-child{left:0;z-index:4;font-size:9px;letter-spacing:.08em;min-width:62px}tbody tr:nth-child(even) td{background:#fcfcfa}td.blank{background:#f7f8f4!important}.mark{border:0;background:transparent;position:relative;padding:6px 5px;min-width:44px;min-height:30px;font-size:12px;line-height:1.4;isolation:isolate}.mark:disabled{opacity:1;color:inherit}.mark:not(:disabled):hover{background:#f2ece7;border-radius:5px}.mark.circled:after{content:"";position:absolute;inset:1px 0;border:2px solid var(--red);border-radius:48% 51% 46% 49%;transform:rotate(-7deg);pointer-events:none;z-index:-1}.mark.circled{color:#803c31}.mark.pending{opacity:.45}.chart-bottom{padding:15px 20px;font-size:10px;color:var(--muted);display:flex;justify-content:space-between;gap:18px;border-top:1px solid var(--line);line-height:1.6}.chart-bottom a{color:var(--olive);white-space:nowrap}.saved-section{margin-top:30px}.saved-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.saved-heading h2{font-size:14px;font-weight:500}.saved-heading h2 span{font-size:11px;background:#e9ece2;color:var(--olive);padding:3px 7px;border-radius:10px;margin-left:5px}.text-button{font-size:11px;border:0;background:none;color:var(--muted);padding:8px}.text-button:hover{color:var(--ink);text-decoration:underline}.empty{color:var(--muted);font-size:12px;padding:12px 0}.chips{display:flex;gap:10px;flex-wrap:wrap;padding:14px 0}.chip{border:1px solid #e4cac3;border-radius:5px;padding:7px 13px;color:#8e4437;background:#fbf0eb;font-size:12px}.chip small{color:#8c766d;margin-right:8px;font-size:9px}footer{border-top:1px solid var(--line);padding:24px 0;margin-top:35px;font-size:10px;line-height:1.9;color:#7b7f74;max-width:100%}footer a{text-decoration:underline;text-underline-offset:2px}.home{max-width:700px;margin:14vh auto;padding:24px}.home h1{font-size:58px;margin-bottom:48px}.tool-link{display:flex;justify-content:space-between;align-items:center;padding:24px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:18px}.tool-link small{display:block;font-size:13px;color:var(--muted);margin-top:10px}dialog{border:1px solid var(--line);border-radius:10px;padding:36px;width:min(440px,92vw);color:var(--ink);background:var(--paper);box-shadow:0 24px 70px #20251625}dialog::backdrop{background:#20291f65;backdrop-filter:blur(3px)}dialog h2{font:32px Georgia,serif;letter-spacing:-.03em;margin:17px 0}dialog p{font-size:13px;line-height:1.7;color:var(--muted)}dialog label{display:block;font-size:12px;margin:25px 0 8px}dialog input{width:100%;border:1px solid #c5cbbd;border-radius:5px;padding:12px;background:white}.primary-button{border:0;border-radius:5px;width:100%;padding:13px;background:var(--olive);color:white;font-size:13px}.close-button{position:absolute;right:15px;top:10px;background:none;border:0;font-size:25px;color:var(--muted)}.error{color:var(--red)}#login-error{min-height:20px;color:var(--red)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}@media(max-width:650px){.site-header{height:70px;padding:0 20px}.site-header nav{gap:16px;font-size:11px}.quiet-button{font-size:11px;padding:8px}.brand{font-size:27px}.brand span{display:none}.chart-page{width:calc(100% - 30px);margin:32px auto}.intro{align-items:flex-start;margin-bottom:25px}.intro p{font-size:12px;max-width:260px}.legend{display:none}h1{font-size:31px}.toolbar{padding:12px;flex-wrap:wrap;gap:12px}.filters{gap:3px}.filters button{min-width:29px;padding:8px 9px}#save-status{text-align:left;width:100%}.chart-help{padding:12px;font-size:10px;line-height:1.6}.chart-help>span:last-child{display:none}.chart-bottom{flex-direction:column;padding:13px;gap:8px}.table-wrap{max-height:62vh}.saved-heading h2{font-size:13px}.text-button{font-size:10px;padding:7px}.home h1{font-size:43px}.home{margin:12vh auto}.mark{min-height:34px}th,td{height:43px}}

/* Selection and playback are independent of saved circles. */
.selection-bar{padding:13px 20px;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;border-bottom:1px solid var(--line);background:#fafbf7}
.listening-controls,.annotation-controls{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12px}
.listening-controls label{color:var(--muted)}#tone{font:inherit;color:var(--ink);border:1px solid #ccd2c3;border-radius:5px;background:white;padding:7px}
#audio-status{font-size:11px;color:var(--muted)}#audio-status.error{color:var(--red)}#selection-label{font-weight:600;min-width:50px}#circle-button{font-size:12px;padding:9px 13px;border:1px solid #b74638;border-radius:5px;color:#963b30;background:#fff7f3;white-space:nowrap}#circle-button:disabled{opacity:.45}#circle-button:not(:disabled):hover{background:#f9e8df}.mark.selected{background:#e2e9d8!important;border-radius:4px;box-shadow:inset 0 0 0 1px #6c7f58}.mark:not(:disabled):hover{background:#edf0e6}.mark.circled:after{z-index:1}#stop-audio:disabled{opacity:.4}.annotation-controls{margin-left:auto}@media(max-width:650px){.selection-bar{padding:12px;gap:14px}.listening-controls{gap:7px;width:100%}#audio-status{width:100%;line-height:1.5}.annotation-controls{width:100%;justify-content:space-between;margin-left:0}#circle-button{min-height:40px}}

:root{color-scheme:light}
.theme-switch{display:inline-flex;align-items:center;gap:9px;background:none;border:0;padding:10px 0;color:var(--muted);font-size:12px;white-space:nowrap}
.switch-track{display:block;width:32px;height:19px;border-radius:12px;background:#c0c5b9;border:1px solid #a6ae9c;position:relative}
.switch-track:after{content:"";position:absolute;left:2px;top:2px;width:13px;height:13px;border-radius:50%;background:white}
.theme-switch[aria-checked=true] .switch-track{background:#81976a;border-color:#81976a}
.theme-switch[aria-checked=true] .switch-track:after{left:15px;background:#151a13}
:root[data-theme=dark]{color-scheme:dark;--paper:#161915;--ink:#e6e9df;--muted:#a2ab99;--line:#343c2f;--red:#f17f70;--olive:#b4c99a;--wash:#272e23}
[data-theme=dark] .chart-card{background:#1c211a;border-color:#3c4635}
[data-theme=dark] .quiet-button{border-color:#46523f}
[data-theme=dark] .filters button[aria-pressed=true]{color:#172012}
[data-theme=dark] .filters button:hover{box-shadow:inset 0 0 0 1px #667956}
[data-theme=dark] .table-wrap{scrollbar-color:#59674d #232b1e}
[data-theme=dark] th,[data-theme=dark] td{border-color:#2c3526}
[data-theme=dark] thead th{background:#303b28;color:#c0d0ad}
[data-theme=dark] tbody th{background:#293323;color:#c0d0ad}
[data-theme=dark] tbody tr:nth-child(even) td{background:#20271c}
[data-theme=dark] td.blank{background:#181e15!important}
[data-theme=dark] .mark:not(:disabled):hover{background:#36432c}
[data-theme=dark] .mark.circled{color:#ffb2a4}
[data-theme=dark] .mark.selected{background:#3d4f31!important;box-shadow:inset 0 0 0 1px #a5bd8b}
[data-theme=dark] .selection-bar{background:#232b1e}
[data-theme=dark] #tone{background:#1c2417;border-color:#526044}
[data-theme=dark] #circle-button{border-color:#b96b5e;color:#ffb2a4;background:#34231f}
[data-theme=dark] #circle-button:not(:disabled):hover{background:#4a2f28}
[data-theme=dark] .saved-heading h2 span{background:#303d26}
[data-theme=dark] .chip{border-color:#704a40;color:#ffb2a4;background:#34251f}
[data-theme=dark] .chip small{color:#ceaaa0}
[data-theme=dark] footer{color:var(--muted)}

.practice-bar{display:flex;align-items:center;gap:14px;padding:12px 20px;border-bottom:1px solid var(--line)}#next-random{display:flex;align-items:center;gap:15px;padding:9px 12px;border:1px solid var(--olive);border-radius:5px;background:transparent;color:var(--olive);font-size:12px}#next-random:hover{background:var(--wash)}#next-random kbd{font:10px ui-sans-serif,sans-serif;padding:3px 6px;border:1px solid var(--line);border-radius:3px;color:var(--muted)}#random-progress{font-size:11px;color:var(--muted)}@media(max-width:650px){.practice-bar{padding:12px}#next-random{min-height:40px}}