:root{--bg:#f4f5f7;--surface:#fff;--surface-2:#f1f3f6;--text:#111827;--muted:#5b6472;--line:#e3e6eb;--accent:#2457d6;--accent-ink:#fff;--ok:#157f4a;--ok-bg:#e4f5ec;--warn:#9a5b00;--warn-bg:#fff2dc;--radius:14px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;color:var(--text);background:var(--bg);font-size:15px;line-height:1.4}*{box-sizing:border-box}html,body{margin:0;height:100%}button,input,textarea,select{font:inherit;color:inherit}.app{min-height:100%;display:flex;flex-direction:column}.bar{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;height:52px;padding:0 16px;background:var(--surface);border-bottom:1px solid var(--line)}.brand{font-weight:700;font-size:16px}main{flex:1;padding:16px 16px calc(84px + env(safe-area-inset-bottom,0px))}.screen{max-width:1280px;margin:0 auto;display:grid;gap:12px}.empty{max-width:480px;margin:20vh auto;padding:24px;text-align:center}.weekhead{display:flex;align-items:center;gap:8px}.weekhead h1{flex:1;margin:0;font-size:22px;font-weight:700;text-align:center}[data-screen=teachers] .weekhead h1{text-align:left}.summary{margin:0;color:var(--muted)}.progress{height:6px;border-radius:999px;background:var(--surface-2);overflow:hidden}.progress span{display:block;height:100%;background:var(--ok);transition:width .3s}.row{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end}.row.end{justify-content:flex-end}.row label{flex:1;min-width:120px}.actions{align-items:center}button.primary,.button.primary{height:50px;padding:0 20px;border:0;border-radius:12px;background:var(--accent);color:var(--accent-ink);font-weight:600;cursor:pointer;flex:1 1 180px}button.ghost,.button.ghost{height:44px;padding:0 14px;border:1px solid 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.time{font-size:13px;color:var(--muted)}.obs strong{font-size:16px}.obs.done{opacity:.8}.obs.conflict{border-color:var(--warn)}.sub{color:var(--muted);font-size:13px;margin:0}.pill{justify-self:start;margin-top:4px;padding:3px 9px;border-radius:999px;font-size:12px;font-weight:600;background:var(--surface-2);color:var(--muted)}.pill.done{background:var(--ok-bg);color:var(--ok)}.pill.warn{background:var(--warn-bg);color:var(--warn)}.warnbox{margin:0;padding:10px 12px;border-radius:10px;background:var(--warn-bg);color:var(--warn)}.list{display:grid;gap:8px}.rowitem{display:flex;align-items:center;justify-content:space-between;gap:10px;text-align:left;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);cursor:pointer;min-height:56px}.rowitem div{display:grid;gap:2px;min-width:0}.rowitem 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