:root{color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;--bg: #f4f7f4;--surface: #ffffff;--surface-soft: #edf3ed;--ink: #152019;--muted: #607064;--line: #d9e2da;--accent: #246b58;--accent-strong: #164d3e;--accent-soft: #dceddf;--warning-bg: #fff6dc;--warning-line: #ead08d;--warning-ink: #5a4615;--shadow: 0 18px 46px rgba(29, 48, 36, .08)}:root[data-theme=dark]{color-scheme:dark;--bg: #111612;--surface: #18201b;--surface-soft: #202a24;--ink: #edf4ed;--muted: #a8b7ab;--line: #303d34;--accent: #8ac7a5;--accent-strong: #b7e1c6;--accent-soft: #23362c;--warning-bg: #302a18;--warning-line: #6d5b2a;--warning-ink: #f4dda4;--shadow: 0 18px 46px rgba(0, 0, 0, .26)}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:var(--bg);color:var(--ink)}button,input,textarea{font:inherit}button{color:inherit}.app-shell{min-height:100vh}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 22px;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--surface) 92%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.brand-button,.nav-button,.icon-button,.primary-button,.secondary-button,.segmented button,.direction-grid button,.toggle{min-height:44px;border:1px solid var(--line);border-radius:8px;background:var(--surface);cursor:pointer;transition:background .15s ease,border-color .15s ease,transform .15s ease}.brand-button{display:inline-flex;align-items:center;gap:10px;border:0;background:transparent;font-weight:760;font-size:1rem}.topnav{display:flex;align-items:center;gap:8px}.nav-button,.primary-button,.secondary-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-width:0;padding:0 14px;font-weight:680}.nav-button span,.segmented button{overflow-wrap:anywhere}.nav-button.active,.segmented button.selected,.direction-grid button.selected,.toggle.checked{border-color:color-mix(in srgb,var(--accent) 55%,var(--line));background:var(--accent-soft)}.icon-button{display:inline-flex;width:44px;align-items:center;justify-content:center}.primary-button{border-color:var(--accent);background:var(--accent);color:#fff}:root[data-theme=dark] .primary-button{color:#102016}.secondary-button{background:var(--surface-soft)}.full{width:100%}button:disabled{opacity:.5;cursor:not-allowed}button:not(:disabled):hover,.toggle:hover{transform:translateY(-1px)}.page-section{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:28px 0 48px}.page-section.narrow{width:min(760px,calc(100% - 32px))}.notice{display:flex;gap:12px;align-items:flex-start;padding:16px;border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:var(--shadow)}.notice.warning{border-color:var(--warning-line);background:var(--warning-bg);color:var(--warning-ink)}.notice.calm{display:block;margin-bottom:18px}.notice p,.setup-copy p,.inline-note,.section-heading p,.check-form p,.diary-form p,.training-header p,.training-footer p,.mode-panel p{color:var(--muted);line-height:1.55}.setup-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,460px);gap:28px;align-items:start;margin-top:22px}.setup-copy{padding:28px 0}.setup-copy h1,.section-heading h1,.check-form h1,.diary-form h1,.training-header h1{margin:0;font-size:clamp(2rem,4vw,4.5rem);line-height:1;letter-spacing:0}.check-form h1,.diary-form h1,.training-header h1,.section-heading h1{font-size:clamp(1.8rem,3vw,3rem)}.eyebrow{margin:0 0 8px;color:var(--accent-strong);font-size:.78rem;font-weight:800;letter-spacing:0;text-transform:uppercase}.setup-controls,.check-form,.diary-form,.table-panel,.chart-panel,.mode-panel{border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:var(--shadow)}.inline-note{display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:start;padding:12px;border:1px solid color-mix(in srgb,var(--accent) 30%,var(--line));border-radius:8px;background:var(--accent-soft);font-size:.95rem}.setup-controls,.check-form,.diary-form{display:grid;min-width:0;gap:18px;padding:18px}.field-group,.text-field,.answer-field{display:grid;gap:8px;color:var(--muted);font-weight:680}.segmented{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.segmented button{padding:0 10px;font-weight:720}.slider-row{display:grid;grid-template-columns:minmax(150px,1fr) minmax(220px,2fr) 34px;gap:12px;align-items:center;color:var(--muted);font-weight:680}.slider-control{display:grid;grid-template-columns:42px minmax(0,1fr) 42px;gap:8px;align-items:center;min-width:0}.slider-row input[type=range]{width:100%;accent-color:var(--accent)}.stepper-button{min-height:42px;border:1px solid var(--line);border-radius:8px;background:var(--surface-soft);color:var(--ink);font-size:1.15rem;font-weight:820}.stepper-button:hover{border-color:#39745373}.slider-row strong{color:var(--ink);text-align:right}.text-field input,.answer-field input,.text-field textarea{width:100%;min-height:46px;border:1px solid var(--line);border-radius:8px;padding:10px 12px;background:var(--surface-soft);color:var(--ink)}.text-field textarea{min-height:92px;resize:vertical}.training-stage{width:min(1180px,calc(100% - 24px));min-height:calc(100vh - 96px);margin:12px auto 36px;padding:20px;border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow)}.training-light{background:#fbfcf8;color:#121a15}.training-dark{background:#0d1110;color:#eff7ef;--muted: #bdc8bf;--line: #303833;--surface: #151b18;--surface-soft: #1f2822}.training-gray{background:#d9ded8;color:#151d18}.training-header,.training-footer{display:flex;align-items:center;justify-content:space-between;gap:18px}.timer-pill{display:grid;min-width:92px;min-height:56px;place-items:center;border:1px solid currentColor;border-radius:8px;font-size:1.35rem;font-weight:820}.exercise-surface{display:grid;min-height:430px;margin:22px 0;place-items:center;border:1px solid color-mix(in srgb,currentColor 16%,transparent);border-radius:8px;padding:20px;overflow:hidden}.soft-pattern{position:relative;isolation:isolate;background:radial-gradient(circle at 24% 30%,color-mix(in srgb,var(--accent) 18%,transparent),transparent 30%),linear-gradient(135deg,color-mix(in srgb,var(--surface) 92%,transparent),color-mix(in srgb,var(--accent-soft) 70%,transparent))}.breathing-field{position:absolute;top:12%;right:12%;bottom:12%;left:12%;z-index:-1;border:1px solid color-mix(in srgb,currentColor 12%,transparent);border-radius:50%;animation:breathe 6s ease-in-out infinite}@keyframes breathe{0%,to{transform:scale(.96);opacity:.55}50%{transform:scale(1.04);opacity:.85}}.large-calm-text{max-width:760px;margin:0;font-size:clamp(2rem,6vw,5rem);font-weight:760;line-height:1.05;text-align:center}.reading-surface,.recognition-surface,.ghost-surface,.peripheral-surface,.dichoptic-surface{align-content:center;gap:18px;background:color-mix(in srgb,var(--surface) 82%,transparent)}.dichoptic-surface{color:#eef7f2;background:radial-gradient(circle at 50% 45%,rgba(255,255,255,.08),transparent 38%),#050706}.reading-line{max-width:880px;margin:0;font-size:clamp(2.5rem,7vw,6rem);font-weight:760;line-height:1.08;text-align:center}.exercise-controls{display:grid;width:min(640px,100%);gap:14px}.stimulus-text{display:inline-block;min-width:1.5em;line-height:1;font-weight:780;text-align:center}.exercise-message{min-height:1.5em;margin:0;color:var(--muted);text-align:center}.answer-field{width:min(420px,100%)}.answer-field input{font-size:1.35rem;font-weight:720;text-align:center}.ghost-stimulus{position:relative;display:grid;min-width:min(420px,90vw);min-height:150px;place-items:center;font-weight:820;line-height:1}.ghost-copy,.main-copy{grid-area:1 / 1}.ghost-copy,.main-copy{color:currentColor}.direction-grid{display:grid;width:min(680px,100%);grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}.direction-grid button{padding:0 8px;font-weight:720}.landolt-choice-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.landolt-choice-grid button{display:grid;min-height:64px;place-items:center;gap:2px;background:#ffffff14;color:currentColor}.choice-symbol{font-size:1.45rem;line-height:1}.calibration-panel{display:grid;width:min(720px,100%);gap:16px;place-items:center}.calibration-section{display:grid;width:min(680px,100%);gap:12px;padding:14px;border:1px solid rgba(255,255,255,.14);border-radius:8px;background:#ffffff0a}.calibration-section-title{display:flex;justify-content:space-between;gap:16px;align-items:baseline;color:currentColor}.calibration-section-title span{color:#ecf5eed1;font-size:.86rem;font-weight:640}.calibration-mode-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.calibration-mode-row button{min-height:42px;border:1px solid rgba(255,255,255,.16);border-radius:8px;background:#ffffff14;color:currentColor;font-weight:760}.calibration-mode-row button.selected{border-color:var(--accent);background:#dff1e5;color:#14241d}.calibration-record-section{border-style:dashed;background:#ffffff06;opacity:.92}.channel-check{display:grid;width:min(560px,100%);grid-template-columns:1fr 1fr;gap:14px}.calibration-check{width:min(680px,100%)}.channel-sample{display:grid;min-height:132px;place-items:center;border:1px solid rgba(255,255,255,.18);border-radius:8px;background:#050706;font-size:clamp(2rem,8vw,4rem);font-weight:850;letter-spacing:0}.channel-sample-off{color:#ffffff47;text-shadow:none}.channel-sample-off span{font-size:.62em}.red-sample{color:#ff3434;text-shadow:0 0 18px rgba(255,52,52,.36)}.cyan-sample{color:#00d7ff;text-shadow:0 0 18px rgba(0,215,255,.36)}.dichoptic-stimulus{position:relative;width:var(--stimulus-size);height:var(--stimulus-size);min-width:132px;min-height:132px;max-width:min(56vw,240px);max-height:min(56vw,240px);isolation:isolate}.landolt-layer{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;overflow:visible;mix-blend-mode:screen}.ghost-layer{z-index:0}.dichoptic-fixation{position:absolute;left:50%;top:50%;width:8px;height:8px;border-radius:50%;background:#ffffffc7;transform:translate(-50%,-50%);box-shadow:0 0 12px #ffffff47}.flash-box{display:grid;min-height:130px;place-items:center}.flash-placeholder{color:var(--muted);font-size:1.2rem}.peripheral-field{position:relative;width:min(640px,86vw);aspect-ratio:16 / 9;border:1px solid color-mix(in srgb,currentColor 22%,transparent);border-radius:8px;background:color-mix(in srgb,var(--surface-soft) 70%,transparent)}.center-dot,.peripheral-target{position:absolute;border-radius:50%;transform:translate(-50%,-50%)}.center-dot{left:50%;top:50%;width:12px;height:12px;background:currentColor}.peripheral-target{width:34px;height:34px;background:color-mix(in srgb,var(--accent) 62%,transparent);box-shadow:0 0 26px color-mix(in srgb,var(--accent) 50%,transparent)}.section-heading{display:flex;justify-content:space-between;gap:18px;align-items:end;margin-bottom:18px}.stats-grid,.summary-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.metric-box{display:grid;min-height:98px;align-content:space-between;gap:10px;padding:16px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}.metric-box span{color:var(--muted);font-size:.9rem;font-weight:680}.metric-box strong{font-size:clamp(1.35rem,3vw,2.1rem);line-height:1}.mode-grid,.chart-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:18px}.chart-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.mode-panel,.chart-panel,.table-panel{padding:16px}.mode-panel h2,.chart-panel h2,.table-panel h2{margin:0 0 12px;font-size:1.05rem}.chart-panel svg{display:block;width:100%;height:auto}.chart-panel line{stroke:var(--line);stroke-width:2}.chart-panel polyline{fill:none;stroke:var(--accent);stroke-width:4;stroke-linecap:round;stroke-linejoin:round}.chart-panel circle{fill:var(--accent-strong)}.chart-labels{display:flex;align-items:center;justify-content:space-between;gap:8px;color:var(--muted);font-size:.88rem}.chart-labels strong{color:var(--ink)}.table-panel{margin-top:18px;overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{padding:12px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{color:var(--muted);font-size:.84rem}.number-grid,.toggle-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.toggle-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.toggle{display:flex;align-items:center;gap:10px;padding:0 12px;color:var(--muted);font-weight:720}.toggle input{width:18px;height:18px;accent-color:var(--accent)}.export-actions{display:grid;gap:12px;margin-top:16px}.empty-text{color:var(--muted)}@media (max-width: 860px){.topbar{position:static;align-items:stretch;flex-direction:column}.topnav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr)) 44px}.setup-layout,.section-heading,.training-header,.training-footer{grid-template-columns:1fr;flex-direction:column;align-items:stretch}.stats-grid,.summary-grid,.mode-grid,.chart-grid,.number-grid,.segmented{grid-template-columns:1fr}.slider-row{grid-template-columns:minmax(0,1fr) 42px}.slider-row span{grid-column:1 / -1}.slider-control{grid-template-columns:40px minmax(0,1fr) 40px}.stepper-button{min-height:40px}.direction-grid,.toggle-grid{grid-template-columns:1fr}.landolt-choice-grid,.channel-check{grid-template-columns:1fr 1fr}.exercise-surface{min-height:360px}}@media (max-width: 520px){.page-section,.page-section.narrow{width:min(100% - 20px,1180px);padding-top:16px}.training-stage{width:min(100% - 12px,1180px);padding:12px}.topnav{grid-template-columns:1fr 1fr}.icon-button{width:100%}.nav-button{padding:0 10px}.landolt-choice-grid{gap:6px}.landolt-choice-grid button{min-height:58px}.calibration-section-title{display:grid;gap:4px}.calibration-mode-row,.calibration-check{grid-template-columns:1fr}.calibration-check .channel-sample{min-height:112px}.brand-button span,.nav-button span{overflow-wrap:anywhere}}