:root{color-scheme:light;--color-paper: #f7f4ec;--color-surface: #fffdf7;--color-ink: #1f2933;--color-muted: #667085;--color-line: #d8d0bf;--color-blue: #2458d3;--color-green: #087f5b;--color-red: #c2410c;--color-alert: #a6381f;--color-success: #13795b;--color-accent: #ffbf47;--shadow-soft: 0 16px 38px rgba(57, 44, 20, .11);--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--radius: 8px;font-family:Fira Sans,Aptos,Segoe UI,sans-serif;background:var(--color-paper);color:var(--color-ink)}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:linear-gradient(90deg,rgba(31,41,51,.05) 1px,transparent 1px) 0 0 / 26px 26px,var(--color-paper)}button,input,label,select{font:inherit}button,label.primary-action{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.58}button:focus-visible,input:focus-visible,select:focus-visible,label.primary-action:focus-visible{outline:3px solid var(--color-accent);outline-offset:3px}h1,h2,h3,p{margin:0}.app-shell{min-height:100vh;padding-bottom:5.75rem}.app-header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);padding:var(--space-4) var(--space-4) var(--space-2)}.app-header h1{max-width:18ch;font-family:Fira Code,Cascadia Code,monospace;font-size:clamp(1.55rem,6.8vw,3rem);line-height:1;letter-spacing:0}.eyebrow,.week-bar__label{color:var(--color-muted);font-family:Fira Code,Cascadia Code,monospace;font-size:.75rem;font-weight:700;letter-spacing:0;text-transform:uppercase}.header-mark{display:block;width:3.35rem;height:3.35rem;overflow:hidden;border:1px solid rgba(31,41,51,.72);border-radius:var(--radius);background:#101922;box-shadow:5px 5px 0 var(--color-ink)}.header-mark__image{display:block;width:100%;height:100%;object-fit:cover}.app-main{display:grid;gap:var(--space-4);width:min(100%,1360px);margin:0 auto;padding:0 var(--space-4)}.week-bar{display:grid;grid-template-columns:44px 1fr 44px;align-items:center;gap:var(--space-3);padding:var(--space-3);border:1px solid var(--color-line);border-radius:var(--radius);background:#fffdf7c7}.week-bar h2{font-size:1rem}.text-action{min-height:32px;margin-top:var(--space-1);border:0;background:transparent;color:var(--color-blue);font-weight:800;padding:0;text-decoration:underline;text-underline-offset:.18rem}.icon-button{min-width:44px;min-height:44px;border:1px solid var(--color-ink);border-radius:var(--radius);background:var(--color-surface);color:var(--color-ink);font-weight:800}.calendar-grid,.calendar-board{display:grid;gap:var(--space-3)}.calendar-week-strip{position:sticky;top:var(--space-2);z-index:5;display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:.35rem;padding:var(--space-2);border:1px solid var(--color-line);border-radius:var(--radius);background:#fffdf7f5;box-shadow:0 10px 28px #1f29331f;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.week-strip-day{display:grid;place-items:center;min-height:52px;border:1px solid transparent;border-radius:6px;background:transparent;color:var(--color-muted);font-family:Fira Code,Cascadia Code,monospace;font-weight:800}.week-strip-day strong{color:var(--color-ink);font-size:1.08rem}.week-strip-day small{display:grid;place-items:center;min-width:1.25rem;min-height:1.25rem;border-radius:999px;background:#1f293314;color:var(--color-muted);font-size:.68rem}.week-strip-day--active{border-color:var(--color-ink);background:var(--color-ink);color:var(--color-surface)}.week-strip-day--active strong,.week-strip-day--active small{color:var(--color-surface)}.week-strip-day--active small{background:#ffffff2e}.day-column,.work-form,.entry-list,.drop-zone,.metric-card,.notice-band,.import-summary{border:1px solid var(--color-line);border-radius:var(--radius);background:var(--color-surface);box-shadow:var(--shadow-soft)}.day-column{display:grid;gap:var(--space-2);min-height:10rem;padding:var(--space-3)}.day-column:not(.day-column--selected){display:none}.day-column--selected{display:grid}.day-column--conflict{border-color:var(--color-alert)}.day-column__header{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-3)}.day-column__header span{display:block;color:var(--color-muted);text-transform:uppercase}.day-column__header strong{display:block;font-family:Fira Code,Cascadia Code,monospace;font-size:1.62rem}.day-column__header small{color:var(--color-muted);font-family:Fira Code,Cascadia Code,monospace;font-weight:700;white-space:nowrap}.day-column__meta{display:grid;justify-items:end;gap:.15rem}.day-column__meta em{color:var(--color-muted);font-family:Fira Code,Cascadia Code,monospace;font-size:.72rem;font-style:normal;font-weight:700}.day-density{height:.42rem;overflow:hidden;border:1px solid rgba(216,208,191,.84);border-radius:999px;background:#d8d0bf52}.day-density span{display:block;width:calc(var(--density) * 100%);height:100%;background:var(--color-ink)}.day-timeline{display:grid;grid-template-columns:3.15rem minmax(0,1fr);gap:var(--space-2);min-height:calc(var(--hour-count) * 3rem)}.time-rail,.time-canvas{position:relative;min-height:calc(var(--hour-count) * 3rem)}.time-rail{display:flex;flex-direction:column;justify-content:space-between;color:var(--color-muted);font-family:Fira Code,Cascadia Code,monospace;font-size:.68rem;font-weight:700}.time-canvas{border-left:2px solid var(--color-line);background:linear-gradient(90deg,rgba(216,208,191,.32) 1px,transparent 1px) 0 0 / 100% 3rem}.time-line{height:3rem;border-top:1px solid rgba(216,208,191,.78)}.time-line:last-of-type{height:0}.schedule-block{position:absolute;display:grid;align-content:start;gap:.1rem;min-height:1.85rem;overflow:hidden;border:1px solid currentColor;border-left-width:4px;border-radius:6px;padding:.32rem .42rem;background:#fffefa;color:var(--category-lecture, var(--color-blue));text-align:left;box-shadow:0 8px 18px #1f29331a}.schedule-block span{font-family:Fira Code,Cascadia Code,monospace;font-size:.66rem;font-weight:800}.schedule-block strong{display:-webkit-box;overflow:hidden;font-size:.82rem;line-height:1.15;-webkit-box-orient:vertical;-webkit-line-clamp:2}.schedule-block--exercise{color:var(--category-exercise, var(--color-green))}.schedule-block--work{color:var(--category-work, var(--color-red))}.schedule-block--manual{color:var(--category-manual, #6f4bd8)}.schedule-block--conflict{background:#fff0e8;box-shadow:0 0 0 2px #a6381f24}.schedule-block--overlap{background-image:repeating-linear-gradient(-45deg,rgba(31,41,51,.055) 0 6px,transparent 6px 12px)}.day-agenda{border-top:1px solid var(--color-line);padding-top:var(--space-1)}.day-agenda__header{display:flex;align-items:center;justify-content:space-between;min-height:44px;color:var(--color-muted);font-size:.82rem;font-weight:800;text-transform:uppercase;cursor:pointer;list-style:none}.day-agenda__header::-webkit-details-marker{display:none}.day-agenda__header span{padding:.18rem .42rem;border:1px solid #e6b4a5;border-radius:999px;color:var(--color-alert);font-family:Fira Code,Cascadia Code,monospace;font-size:.66rem}.event-stack{display:grid;gap:var(--space-2)}.day-agenda .event-stack{padding-top:var(--space-2)}.event-pill{display:grid;gap:var(--space-1);width:100%;min-height:46px;padding:var(--space-2) var(--space-3);border:1px solid currentColor;border-radius:var(--radius);background:#fffefa;color:var(--category-lecture, var(--color-blue));text-align:left}.event-pill span{font-family:Fira Code,Cascadia Code,monospace;font-size:.7rem;font-weight:800}.event-pill strong{line-height:1.25}.event-pill--exercise{color:var(--category-exercise, var(--color-green))}.event-pill--work{color:var(--category-work, var(--color-red))}.event-pill--manual{color:var(--category-manual, #6f4bd8)}.conflict-alert{padding:var(--space-2) var(--space-3);border-radius:var(--radius);background:#ffe8df;color:var(--color-alert);font-weight:800}.calendar-hint,.empty-inline,.empty-state,.duration-preview{color:var(--color-muted);font-size:.95rem}.calendar-hint{padding:var(--space-2)}.modal-backdrop{position:fixed;inset:0;z-index:30;display:grid;align-items:end;padding:var(--space-4);background:#1f293361}.action-sheet{display:grid;gap:var(--space-4);width:min(100%,30rem);margin:0 auto;border:1px solid var(--color-ink);border-radius:var(--radius);padding:var(--space-5);background:var(--color-surface);box-shadow:0 24px 70px #1f293347}.action-sheet h2{margin-top:var(--space-1);font-size:1.35rem}.action-sheet p:not(.eyebrow){margin-top:var(--space-2);color:var(--color-muted)}.action-sheet__actions{display:grid;gap:var(--space-2)}.empty-inline--timeline{position:absolute;inset:40% 0 auto var(--space-3)}.dashboard{display:grid;gap:var(--space-3)}.dashboard-layout{display:grid;gap:var(--space-4)}.metric-card{display:grid;gap:var(--space-4);padding:var(--space-5)}.metric-card span{color:var(--color-muted);font-family:Fira Code,Cascadia Code,monospace;font-weight:700;text-transform:uppercase}.metric-card strong{font-family:Fira Code,Cascadia Code,monospace;font-size:clamp(2.5rem,16vw,5rem);line-height:1}.metric-card--primary{background:var(--color-ink);color:var(--color-surface)}.metric-card--primary span{color:#f5d37a}.work-layout,.import-panel,.settings-layout{display:grid;gap:var(--space-4)}.work-form,.entry-list,.drop-zone,.settings-section,.range-card{display:grid;gap:var(--space-4);padding:var(--space-5)}.settings-section,.range-card{border:1px solid var(--color-line);border-radius:var(--radius);background:var(--color-surface);box-shadow:var(--shadow-soft)}.settings-copy{margin-top:var(--space-2);color:var(--color-muted)}.work-form label,.range-controls label,.color-row{display:grid;gap:var(--space-2);color:var(--color-muted);font-weight:700}.work-form input,.work-form select,.range-controls input,.range-controls select{min-height:44px;width:100%;border:1px solid var(--color-line);border-radius:var(--radius);padding:var(--space-3);background:#fffefa;color:var(--color-ink)}.work-form--compact{padding:0;border:0;box-shadow:none}.form-row,.button-row{display:grid;gap:var(--space-3)}.primary-action,.secondary-action,.notice-band button,.entry-row button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;border-radius:var(--radius);padding:0 var(--space-4);font-weight:800;text-decoration:none}.primary-action,.notice-band button{border:1px solid var(--color-ink);background:var(--color-ink);color:var(--color-surface)}.secondary-action,.entry-row button{border:1px solid var(--color-line);background:var(--color-surface);color:var(--color-ink)}.secondary-action--danger,.entry-row__delete{border-color:#e6b4a5;color:var(--color-alert)}.form-error{padding:var(--space-3);border:1px solid var(--color-alert);border-radius:var(--radius);background:#fff0e8;color:var(--color-alert);font-weight:700}.confirm-panel{display:grid;gap:var(--space-2);padding:var(--space-3);border:1px solid var(--color-accent);border-radius:var(--radius);background:#fff8df}.confirm-panel span{color:var(--color-muted)}.confirm-panel__actions{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-2)}.confirm-panel__actions--three{grid-template-columns:1fr}.calendar-hide-panel{box-shadow:none}.entry-list h3{font-size:1rem}.compact-list{display:grid;gap:var(--space-2)}.compact-list h3{font-size:1rem}.entry-row{display:grid;gap:var(--space-3);padding:var(--space-3) 0;border-top:1px solid var(--color-line)}.entry-row div:first-child{display:grid;gap:var(--space-1)}.entry-row span{color:var(--color-muted)}.status-badge{width:fit-content;border:1px solid #e6b4a5;border-radius:999px;padding:.12rem .45rem;background:#fff0e8;color:var(--color-alert);font-size:.72rem;font-weight:800}.entry-row__actions{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-2)}.color-grid,.range-controls{display:grid;gap:var(--space-3)}.color-row{grid-template-columns:minmax(0,1fr) 4rem;align-items:center}.color-row input{width:4rem;min-height:44px;border:1px solid var(--color-line);border-radius:var(--radius);background:var(--color-surface)}.range-result{display:grid;gap:var(--space-2);padding:var(--space-4);border:1px solid var(--color-line);border-radius:var(--radius);background:#fffefa}.range-result span{color:var(--color-muted);font-family:Fira Code,Cascadia Code,monospace;font-weight:700;text-transform:uppercase}.range-result strong{font-family:Fira Code,Cascadia Code,monospace;font-size:clamp(2rem,12vw,4rem);line-height:1}.drop-zone{border-style:dashed}.drop-zone--active{border-color:var(--color-blue);background:#eef4ff}.drop-zone input{position:absolute;inline-size:1px;block-size:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;clip-path:inset(50%)}.import-summary,.notice-band{display:grid;gap:var(--space-2);padding:var(--space-4)}.import-summary span{color:var(--color-muted)}.bottom-tabs{position:fixed;right:var(--space-3);bottom:var(--space-3);left:var(--space-3);z-index:10;display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-2);padding:var(--space-2);border:1px solid var(--color-line);border-radius:var(--radius);background:#fffdf7f0;box-shadow:0 18px 44px #1f293338;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.bottom-tabs__item{min-height:44px;border:0;border-radius:6px;background:transparent;color:var(--color-muted);font-weight:800}.bottom-tabs__item--active{background:var(--color-ink);color:var(--color-surface)}.toast-stack{position:fixed;right:var(--space-3);bottom:6.25rem;left:var(--space-3);z-index:20;display:grid;gap:var(--space-2);pointer-events:none}.toast{min-height:44px;border:1px solid var(--color-success);border-radius:var(--radius);padding:var(--space-3) var(--space-4);background:#f2fff8f5;color:var(--color-success);box-shadow:0 14px 34px #1f293333;font-weight:800;pointer-events:auto;text-align:left}.toast--warning{border-color:var(--color-alert);background:#fff0e8f7;color:var(--color-alert)}.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}@media(min-width:760px){.app-header{padding:var(--space-5) var(--space-8) var(--space-3)}.app-header h1{font-size:clamp(1.85rem,4vw,2.85rem)}.header-mark{width:3.6rem;height:3.6rem}.app-main{gap:var(--space-3);padding:0 var(--space-8)}.week-bar{grid-template-columns:40px 1fr 40px;gap:var(--space-2);padding:var(--space-3)}.week-bar h2{font-size:.92rem}.icon-button{min-width:40px;min-height:40px}.calendar-week-strip{display:none}.calendar-board{grid-template-columns:repeat(7,minmax(0,1fr));align-items:start;gap:var(--space-2);overflow-x:visible;padding:0}.day-column,.day-column:not(.day-column--selected){display:grid}.day-column{min-height:100%;gap:var(--space-2);padding:var(--space-2)}.day-column__header strong{font-size:1.35rem}.day-column__header small,.day-column__meta em{font-size:.62rem}.day-density{height:.32rem}.day-timeline{grid-template-columns:2.38rem minmax(0,1fr);gap:.35rem;min-height:calc(var(--hour-count) * 2.2rem)}.time-rail,.time-canvas{min-height:calc(var(--hour-count) * 2.2rem)}.time-rail{font-size:.58rem}.time-canvas{background-size:100% 2.2rem}.time-line{height:2.2rem}.schedule-block{min-height:1.45rem;border-left-width:3px;padding:.18rem .26rem;box-shadow:0 5px 12px #1f293317}.schedule-block span{font-size:.54rem}.schedule-block strong{font-size:.66rem;line-height:1.1}.day-agenda{max-height:10rem;overflow:auto;padding-right:0}.day-agenda__header{min-height:36px;font-size:.68rem}.day-agenda__header span{font-size:.56rem}.event-stack{gap:.35rem}.event-pill{min-height:38px;padding:.42rem .5rem}.event-pill span{font-size:.58rem}.event-pill strong{font-size:.78rem}.modal-backdrop{align-items:center}.action-sheet{width:min(30rem,calc(100% - 2rem))}.calendar-hint{grid-column:1 / -1}.dashboard{grid-template-columns:1.4fr 1fr 1fr}.settings-layout,.dashboard-layout{grid-template-columns:minmax(320px,.95fr) minmax(0,1.05fr);align-items:start}.settings-layout .settings-section:nth-of-type(3),.settings-layout .settings-section:nth-of-type(4),.dashboard-layout .range-card{grid-column:1 / -1}.work-layout{grid-template-columns:minmax(300px,.85fr) minmax(0,1.15fr);align-items:start}.form-row,.button-row,.range-controls{grid-template-columns:1fr 1fr}.confirm-panel__actions--three{grid-template-columns:1fr 1fr 1fr}.entry-row{grid-template-columns:1fr auto;align-items:center}.bottom-tabs{right:auto;left:50%;width:min(520px,calc(100% - 2rem));transform:translate(-50%)}.toast-stack{right:var(--space-8);left:auto;width:min(26rem,calc(100% - 4rem))}}@media(min-width:1180px){.calendar-board{grid-template-columns:repeat(7,minmax(0,1fr))}.app-header{padding-top:var(--space-4)}}@media(prefers-reduced-motion:no-preference){.event-pill,.schedule-block,.toast,.primary-action,.secondary-action,.text-action,.week-strip-day,.icon-button,.bottom-tabs__item{transition:background-color .18s ease,color .18s ease,border-color .18s ease}}