@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@500;600;700;800&display=swap');
:root{--paper:#f7f8f2;--ink:#203c32;--muted:#52665c;--lime:#dcf291;--teal:#176b62;--line:#dce1d7;--white:#fff;--error:#992f23;font-family:'DM Sans',sans-serif;color:var(--ink);background:var(--paper);color-scheme:light;font-synthesis:none;-webkit-font-smoothing:antialiased;accent-color:var(--teal);caret-color:var(--teal);scrollbar-color:#80978b var(--paper)}
*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit;color:inherit}button,a,summary{-webkit-tap-highlight-color:transparent}button,summary{cursor:pointer}button{border:1px solid var(--line);border-radius:8px;background:var(--white);padding:11px 15px;font-weight:600;min-height:44px}button:hover{background:#edf3e8;border-color:#8b9f91}button:active{background:#dcebcf}button:disabled{cursor:default;opacity:.55}a{color:inherit;text-underline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--teal);outline-offset:3px}::selection{background:var(--lime);color:var(--ink)}[hidden]{display:none!important}h1,h2,h3,p{margin:0}h1,h2,h3{font-family:'Manrope',sans-serif}h1,h2{text-wrap:balance}h1{font-size:clamp(2rem,3.2vw,3.25rem);line-height:1.14;letter-spacing:-.03em;font-weight:800;max-width:none;overflow-wrap:normal}h2{font-size:1.4rem;line-height:1.3}h3{font-size:1rem}p{line-height:1.6;text-wrap:pretty}p,li{overflow-wrap:anywhere}.header{max-width:1600px;margin:auto;padding:20px 40px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:inline-flex;align-items:center;gap:5px;font-family:'Manrope',sans-serif;font-weight:800;font-size:26px;letter-spacing:-.03em;text-decoration:none}.brand-domain{font-size:15px}.brand-symbol{display:inline-flex;gap:3px;transform:skew(-22deg);height:23px;margin-right:5px;align-items:center}.brand-symbol i{display:block;background:var(--teal);width:5px;height:15px}.brand-symbol i:nth-child(2){height:23px}.brand-symbol i:nth-child(3){height:19px}.language{font-size:.875rem;min-height:44px;display:flex;align-items:center}.skip-link{position:absolute;left:20px;top:-100px;background:var(--white);padding:12px;z-index:5}.skip-link:focus-visible{top:10px}main{container-type:inline-size;max-width:1600px;margin:auto;padding:16px 40px 48px}.intro{display:block;padding-bottom:24px}.intro p{margin-top:12px;color:var(--muted);font-size:1.05rem}.intro p+p{margin-top:0}.workspace{display:grid;grid-template-columns:minmax(330px,410px) minmax(0,1fr);gap:24px;align-items:start}.form-panel{padding:20px;background:var(--white);border:1px solid var(--line);border-radius:14px}fieldset{border:0;margin:0;padding:0;min-width:0}.section-heading{font-family:'Manrope',sans-serif;font-size:1.15rem;font-weight:700;margin-bottom:12px;padding:0}.spaced{margin-top:24px}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}label:not(.day-choice){display:block;font-size:.875rem;font-weight:600;margin:16px 0 7px}input:not([type=checkbox]),select,textarea{width:100%;padding:11px 12px;border:1px solid #aebcb0;border-radius:7px;background:var(--white);min-height:44px;font-variant-numeric:tabular-nums}input::placeholder,textarea::placeholder{color:var(--muted)}input:disabled,select:disabled{background:#f4f6f0}textarea{resize:vertical}.help{font-size:.8rem;color:var(--muted);margin-top:7px;line-height:1.5}.day-group{margin-bottom:22px}.day-group legend{font-size:.875rem;font-weight:600;margin-bottom:10px}.days{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:4px}.day-choice{position:relative;text-align:center}.day-choice input{position:absolute;opacity:0;width:100%;height:100%;margin:0;left:0;top:0;cursor:pointer}.day-choice span{display:flex;align-items:center;justify-content:center;min-height:44px;border:1px solid #aebcb0;border-radius:6px;font-size:.76rem;font-weight:600}.day-choice input:checked+span{background:var(--teal);color:white;border-color:var(--teal)}.day-choice input:focus-visible+span{outline:3px solid var(--teal);outline-offset:3px}.day-choice input:disabled+span{opacity:.4}.day-choice input:hover:not(:disabled)+span{border-color:var(--teal)}.primary{width:100%;background:var(--teal);border-color:var(--teal);color:var(--white);margin-top:14px}.primary:hover:not(:disabled){background:#11574f;border-color:#11574f}.secondary{font-size:.875rem;margin-top:12px}.text-button{padding:8px 0;border:0;background:none;text-decoration:underline;text-underline-offset:4px;font-size:.8rem}.verification{margin-top:22px;max-width:100%;overflow-x:auto}.status-area{min-height:68px;margin-top:16px;font-size:.875rem}.status-area p:empty{display:none}.status-area[data-state=error],.error{color:var(--error)}.error,.notice{font-size:.875rem;line-height:1.5;margin-top:14px}.notice{padding:12px;background:#edf2df;border-radius:8px}.storage-copy{margin-top:18px}.storage-settings{margin-top:16px;font-size:.8rem;color:var(--muted)}summary{padding-block:8px;min-height:36px}.result-panel{min-width:0;container-type:inline-size}.empty-plan{display:grid;gap:24px;padding:24px;text-align:center;border-block:1px solid var(--line);margin-top:0;align-items:center}.empty-plan-illustration{display:block;width:min(100%,400px);height:auto;aspect-ratio:3/2;object-fit:contain;margin:0 auto}.empty-plan p{max-width:44ch;margin:12px auto 0;color:var(--muted);font-size:.95rem}.plan-header{display:grid;grid-template-columns:minmax(0,1fr) auto;column-gap:28px;padding:28px 32px;background:var(--white);color:var(--ink);border:1px solid var(--line);border-radius:14px}.plan-header h2{grid-column:1;font-size:clamp(1.8rem,2.8vw,3rem);font-weight:800;letter-spacing:-.03em;line-height:1.2;text-wrap:balance}.plan-header .help{grid-column:1;color:var(--muted);font-size:.875rem;margin-top:10px}.export-toolbar{display:flex;flex-wrap:wrap;gap:8px;padding-block:20px 16px;border-bottom:1px solid var(--line)}.export-toolbar button{font-size:.8rem}.plan-summary{max-width:75ch;padding-left:20px;margin-block:20px;font-size:.9375rem;line-height:1.65}.week{margin-top:36px}.week>summary{list-style:none;display:flex;justify-content:space-between;gap:12px;align-items:center;padding:18px 0;background:transparent;border-bottom:1px solid var(--line)}.week>summary::-webkit-details-marker{display:none}.week>summary:after{content:'+';font-size:1.5rem;font-weight:400}.week[open]>summary:after{content:'−'}.week-label{font-family:'Manrope',sans-serif;font-size:1.15rem;font-weight:800;line-height:1.4}.week-total{display:block;font-size:.875rem;color:var(--ink);font-weight:500;margin-top:4px;font-variant-numeric:tabular-nums}
/* Dates sit outside the individual, actionable session cards. */
.week-days{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:24px 16px;padding-top:20px;align-items:start}
.plan-day{min-width:0}
.day-date{display:block;margin-bottom:10px;padding-bottom:8px;border-bottom:1px solid var(--line);font-size:.8125rem;font-weight:700;line-height:1.5;color:var(--ink);font-variant-numeric:tabular-nums}
.day-sessions{display:grid;gap:8px}
.session-card{min-width:0;display:flex;flex-direction:column;align-items:flex-start;gap:7px;width:100%;padding:14px;text-align:left;border:1px solid transparent;border-radius:12px;background:#ecf2e2;font-weight:400;overflow-wrap:anywhere}
.session-card:hover{border-color:var(--teal);background:#f0f5ea}
.session-card:active{background:#e5eedc}
.session-title{font-family:'Manrope',sans-serif;font-size:.95rem;font-weight:700;line-height:1.4}
.metrics{font-size:.8rem;font-weight:400;line-height:1.5;color:var(--muted);font-variant-numeric:tabular-nums}
.session-summary{font-size:.85rem;font-weight:400;line-height:1.5;color:var(--muted)}
.session-action{display:inline-flex;align-items:center;gap:6px;margin-top:3px;font-size:.75rem;font-weight:600;line-height:1.5;color:var(--teal)}
.session-action svg{width:14px;height:14px;flex:none}
.session-card--strength,.session-card--mobility{padding:10px 12px;gap:5px;background:#eff2e9}
.session-card--strength .session-title,.session-card--mobility .session-title{font-size:.875rem}
.session-card--race{background:#eef5d8;border-color:#b8cb96}
.plan-day.is-rest{padding-bottom:4px}
.rest{padding:14px;border:1px dashed #c6cfc0;border-radius:12px;background:#fafbf8;font-size:.875rem;line-height:1.5;color:var(--muted)}
.workout-dialog{width:min(640px,calc(100% - 48px));max-width:none;max-height:min(85dvh,850px);margin:auto;padding:0;border:0;border-radius:16px;background:var(--paper);color:var(--ink);box-shadow:0 24px 80px #102a2440;overflow:hidden}
.workout-dialog[open]{display:grid;grid-template-rows:auto minmax(0,1fr);animation:workout-reveal 180ms cubic-bezier(.16,1,.3,1)}
.workout-dialog::backdrop{background:#102a2466}
.workout-header{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding:24px 24px 20px;border-bottom:1px solid var(--line);min-width:0}
.workout-header>div{min-width:0}
.workout-header h2{font-size:1.5rem;line-height:1.35;overflow-wrap:anywhere}
.workout-header p{font-size:.8rem;color:var(--muted);margin-top:6px;font-variant-numeric:tabular-nums}
.workout-close{display:grid;place-items:center;flex:none;min-width:44px;min-height:44px;padding:10px;border-color:transparent;background:transparent;font-size:.8rem}
.workout-close svg{width:20px;height:20px}
.workout-body{min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:24px;scrollbar-gutter:stable}
.workout-body:focus-visible{outline:3px solid var(--teal);outline-offset:-3px}
.workout-body p{font-size:.95rem;line-height:1.65}
.workout-body>p+p{margin-top:12px}
.workout-body>h3{margin-top:28px}
.session-steps{padding-left:22px;margin:16px 0 0}
.session-steps li{padding-left:4px;margin-top:16px;font-size:.9rem;line-height:1.6}
.session-steps li:first-child{margin-top:0}
.session-steps li::marker{color:var(--teal);font-weight:700;font-variant-numeric:tabular-nums}
.workout-step-label{margin-right:.5em}
.workout-step-measure{font-variant-numeric:tabular-nums}
.session-steps .workout-recovery{margin-top:4px;color:var(--muted);font-size:.875rem;line-height:1.6}
.workout-note-refs{margin-left:.35em;color:var(--teal);font-size:.7em;font-weight:600;white-space:nowrap}
.workout-notes{margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}
.workout-notes h3{font-size:.9rem}
.workout-notes ol{padding-left:22px;margin:10px 0 0;color:var(--muted);font-size:.875rem;line-height:1.6}
.workout-notes li{padding-left:4px;margin-top:8px}
.workout-notes li:first-child{margin-top:0}
.workout-notes li::marker{font-size:.8rem;font-weight:600;color:var(--teal)}
@keyframes workout-reveal{from{opacity:.8;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@media(prefers-reduced-motion:reduce){.workout-dialog[open]{animation:none}}
.feedback{margin-top:32px;border-top:1px solid var(--line);padding-top:16px}.feedback>summary{font-family:'Manrope',sans-serif;font-weight:700}.feedback form{max-width:430px}.feedback label{margin-top:12px}footer{max-width:1600px;margin:auto;padding:24px 40px 40px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;font-size:.8rem;color:var(--muted)}
@media(max-width:900px){.workspace{grid-template-columns:minmax(300px,360px) minmax(0,1fr)}}
@media(max-width:700px){.header{padding:16px 20px}.brand{font-size:23px}main{padding:12px 20px 32px}.intro{padding-bottom:24px}h1{font-size:2rem}.workspace{grid-template-columns:1fr;gap:24px}.form-panel{padding:20px}.empty-plan{padding:20px 12px}.week-days{grid-template-columns:1fr;gap:20px}.workout-dialog{width:calc(100% - 24px);max-height:calc(100dvh - 24px);border-radius:14px}.workout-header{padding:20px 16px 16px;gap:12px}.workout-header h2{font-size:1.25rem}.workout-body{padding:20px 16px}.plan-header h2{font-size:1.5rem}footer{padding:24px 20px;flex-wrap:wrap}.field-row{grid-template-columns:1fr}.field-row label{margin-top:14px}}
.brand,.skip-link,summary{min-height:44px}
.form-panel{min-width:0}
.verification{min-width:0;min-height:140px}
.day-group{container-type:inline-size}
@container(max-width:335px){.days{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:700px){.days{grid-template-columns:repeat(4,minmax(0,1fr))}}
/* The completed plan takes the whole workspace; weekday placement only applies to the calendar view. */
.workspace.is-plan-view{grid-template-columns:minmax(0,1fr);gap:20px}
.plan-utilities{grid-column:1/-1;min-width:0}
.workspace:not(.is-plan-view) .plan-utilities{grid-row:1}
.plan-utilities .status-area{min-height:0;margin-top:0}
.plan-utilities .status-area p:not(:empty){margin-bottom:8px}
.plan-utilities .notice{margin-top:8px}
#new-plan{grid-column:2;grid-row:1/4;align-self:center;background:var(--lime);border-color:var(--lime);color:var(--ink);font-weight:700;margin:0}
#new-plan:hover{background:var(--paper);border-color:var(--paper)}
#back-to-plan{margin:0 0 24px}
.is-plan-view .week-days{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px 14px}
.is-plan-view .plan-day{grid-column-start:auto}
.session-card>span{max-width:100%}
/* Opening the horizontal aperture signals the calendar gaining the full workspace. */
.plan-arrival{animation:plan-expand 420ms cubic-bezier(.16,1,.3,1)}
@keyframes plan-expand{from{clip-path:inset(0 6% 0 6%)}to{clip-path:inset(0)}}
@media(min-width:1200px){.is-plan-view .week-days{grid-template-columns:repeat(7,minmax(0,1fr));gap:12px}.is-plan-view .plan-day{grid-column-start:var(--weekday,auto)}.is-plan-view .session-card{padding:12px;gap:8px}.is-plan-view .session-card--strength,.is-plan-view .session-card--mobility{padding:10px;gap:5px}.is-plan-view .session-title{font-size:.9rem}.is-plan-view .session-summary{font-size:.8125rem}.is-plan-view .session-card--strength .session-title,.is-plan-view .session-card--mobility .session-title{font-size:.8125rem}}
@media(min-width:701px) and (max-width:900px){.is-plan-view .week-days{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:700px){.plan-header{grid-template-columns:minmax(0,1fr);padding:22px 20px;gap:0}.plan-header h2{font-size:1.7rem}#new-plan{grid-column:1;grid-row:auto;justify-self:start;margin-top:22px}.is-plan-view .week-days{grid-template-columns:minmax(0,1fr);gap:24px}.week{margin-top:28px}.week>summary{padding:14px 0}.week-label{font-size:1rem}.week-total{font-size:.8125rem}}
@media(prefers-reduced-motion:reduce){.plan-arrival{animation:none}}
@media print{.header,.intro,.form-panel,footer,.export-toolbar,.feedback,.empty-plan,.plan-utilities,#new-plan,.workout-dialog[open]{display:none}main{max-width:none;padding:0}.workspace{display:block}.plan-header{padding:0;background:none;color:var(--ink)}.plan-header .help{color:var(--muted)}.is-plan-view .week-days{grid-template-columns:repeat(2,minmax(0,1fr))}.is-plan-view .plan-day{grid-column-start:auto}.week{break-inside:avoid}.week>summary:after{display:none}.plan-day{break-inside:avoid}}

/* Shared landing-page vocabulary: quiet calendar, tinted workouts, actual stage sequences. */
.session-card--intervals{background:#f3e9cb}
.session-card--intervals:hover{background:#ede0b9}
.session-card--long{background:#dce8f0}
.session-card--long:hover{background:#cddfe9}
.session-card--long .structure-bar{background:#6d94aa}
.session-card--strength,.session-card--mobility{background:#edf0f2}
.session-card--strength:hover,.session-card--mobility:hover{background:#e2e8ec}
.workout-structure{display:block;width:100%;margin-top:8px}
.structure-bars{display:flex;align-items:flex-end;gap:3px;height:32px;width:100%;overflow:hidden}
.structure-bar{display:block;flex:1;min-width:0;height:55%;background:#809858;border-radius:2px 2px 0 0}
.phase-warmup,.phase-cooldown{height:35%;background:#a8bc86}
.phase-recovery{height:25%;background:#a8bc86}
.session-card--intervals .phase-work{height:100%;background:#a48638}
.session-card--intervals .phase-recovery{background:#c8b374}
.is-detailed{padding-block:4px 20px;margin:0 0 20px;border-bottom:1px solid var(--line)}
.is-detailed .structure-bars{height:76px;gap:5px}
.is-detailed .phase-work{height:90%}
.workout-body .structure-caption{margin-top:12px;font-size:.75rem;color:var(--muted)}
@media(min-width:1200px){.is-plan-view .day-date{text-align:center;border:0}.is-plan-view .session-card--run,.is-plan-view .session-card--race{min-height:190px}.is-plan-view .session-card .workout-structure{margin-top:auto;padding-top:10px}.is-plan-view .rest{min-height:110px}}
@media(max-width:700px){#new-plan{grid-row:4}}

/* Keep the calendar readable without making the wide empty state taller. */
@container(min-width:760px){.empty-plan{grid-template-columns:minmax(0,500px) minmax(200px,1fr);text-align:left}.empty-plan-illustration{width:100%;max-width:500px}.empty-plan p{margin-inline:0}}
@container(max-width:1000px){.workspace:not(.is-plan-view){grid-template-columns:minmax(0,1fr)}}
.beginner-guidance{margin-top:14px;padding:14px;background:#edf2df;border-radius:8px;font-size:.875rem;line-height:1.5}
.beginner-guidance .secondary{margin-top:10px}

/* Generation feedback follows the existing operation without replacing page errors. */
html.generation-open{overflow:hidden;scrollbar-gutter:stable}
.generation-dialog{width:min(430px,calc(100% - 32px));max-height:calc(100dvh - 32px);margin:auto;padding:32px;border:0;border-radius:16px;background:var(--white);color:var(--ink);box-shadow:0 24px 80px #102a2440;overflow:auto;text-align:center}
.generation-dialog::backdrop{background:#102a2499}
.generation-dialog h2{font-size:26px;line-height:1.25;letter-spacing:-.025em;margin:24px 0 12px}
.generation-dialog h2:focus{outline:none}
.generation-dialog p{font-size:15px;line-height:1.6}
.generation-symbol{width:56px;height:56px;margin:auto;position:relative;color:var(--teal)}
.generation-spinner{display:block;width:56px;height:56px;border:3px solid var(--line);border-top-color:var(--teal);border-radius:50%;animation:generation-spin 1s linear infinite}
.generation-error-icon{display:none;width:56px;height:56px}
.generation-phrase{margin-top:24px;padding-top:24px;border-top:1px solid var(--line);min-height:73px;color:var(--ink)}
.generation-dialog .generation-note{margin-top:20px;font-size:13px;color:var(--muted)}
.generation-dialog .secondary{margin-top:24px;min-width:140px}
.generation-dialog[data-state=error] .generation-spinner{display:none}
.generation-dialog[data-state=error] .generation-error-icon{display:block;color:var(--error)}
@keyframes generation-spin{to{transform:rotate(360deg)}}
@media(max-width:390px){.generation-dialog{padding:28px 24px}.generation-dialog h2{font-size:24px}}
@media(prefers-reduced-motion:reduce){.generation-spinner{animation:none}}