:root{--forest:#163e35;--green:#24604e;--paper:#f8f7f2;--ink:#243d36;--muted:#69756e;--border:#e1e6dc;--accent:#f0b37c;--white:#fff;--soft:#edf2e8}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font-family:'Segoe UI',Arial,sans-serif;font-size:16px;line-height:1.5}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:wait;opacity:.6}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #b5753c;outline-offset:3px}a{color:inherit;text-decoration:none}button{border:0}h1,h2,h3,p{margin:0}h1{font-family:Georgia,'Times New Roman',serif;font-weight:400;letter-spacing:-.045em;line-height:1.08}h2{font-size:23px;font-weight:600;letter-spacing:-.03em}h3{font-size:16px;font-weight:600}small{font-size:13px}em{font-weight:400;color:#397153}.brand{display:flex;align-items:center;gap:12px;font-size:24px;font-weight:700;letter-spacing:-1px;white-space:nowrap}.brand-light{font-weight:400}.brand small{display:block;font-size:9px;letter-spacing:1.6px;margin-top:2px}.mark{position:relative;background:var(--forest);color:#f5ecd8;border-radius:17px;width:49px;height:52px;text-align:center;font:47px/.95 Georgia;display:inline-block}.mark span{position:absolute;font-size:30px;color:var(--accent);top:-3px;right:6px}.home{max-width:1360px;min-height:100vh;margin:auto;padding:32px 64px;display:flex;flex-direction:column}.home header{display:flex;justify-content:space-between;align-items:center}.header-note{color:var(--muted);font-size:14px}.welcome{text-align:center;width:100%;max-width:560px;margin:58px auto 40px}.eyebrow{font-size:11px;font-weight:700;letter-spacing:2.2px;color:var(--green)}.welcome h1{font-size:88px;margin:21px 0}.welcome>p{font-size:18px;color:var(--muted);line-height:1.65}.entry-list{display:grid;gap:12px;margin:32px auto 0;max-width:450px}.entry{display:flex;align-items:center;gap:20px;background:white;border:1px solid var(--border);padding:20px 24px;border-radius:14px;text-align:left;color:var(--ink);transition:transform .2s,box-shadow .2s}.entry:hover{transform:translateY(-3px);box-shadow:0 10px 25px #163e3510;border-color:#839b81}.entry:first-child{background:var(--forest);color:white;border-color:var(--forest)}.entry-number{font:20px Georgia;opacity:.65}.entry strong{display:block;font-size:18px}.entry small{display:block;margin-top:3px;opacity:.75}.arrow{font-size:26px;margin-left:auto}.welcome-bottom{display:flex;justify-content:center;align-items:center;gap:18px;font-size:13px;color:var(--muted);margin-top:32px}.welcome-bottom i{width:3px;height:3px;background:var(--muted);border-radius:50%}footer{display:flex;justify-content:space-between;gap:16px;padding-top:26px;border-top:1px solid var(--border);color:var(--muted);font-size:12px;margin-top:auto}.login-layout{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center;max-width:950px;width:100%;margin:85px auto}.login-intro h1{font-size:84px;margin:24px 0}.login-intro p{font-size:18px;color:var(--muted);max-width:320px}.login-card{padding:36px;background:white;border:1px solid var(--border);border-radius:22px;box-shadow:0 25px 60px #163e3508}.login-card h2{margin:20px 0 8px}.login-card>p{color:var(--muted);font-size:14px}.login-card>small{display:block;color:var(--muted);margin-top:20px;line-height:1.6}.tag{display:inline-block;padding:7px 13px;border-radius:30px;background:#e9eee1;color:var(--green);font-size:12px;white-space:nowrap}label{display:block;font-size:14px;font-weight:500;margin:18px 0}input,select,textarea{display:block;width:100%;padding:12px 14px;background:#fff;border:1px solid #c8d2c8;border-radius:8px;color:var(--ink);margin-top:7px;min-width:0}textarea{resize:vertical}.primary{display:flex;justify-content:center;gap:30px;width:100%;padding:13px 22px;background:var(--forest);color:white;border-radius:8px;font-weight:600}.primary:hover{background:var(--green)}.quiet{background:transparent;color:var(--green);font-size:14px;padding:8px 10px;border-radius:6px}.quiet:hover{background:#e7eddf}.form-error{color:#ad372c!important;font-size:14px;margin:12px 0;min-height:5px}.workspace{display:flex;min-height:100vh}.sidebar{width:258px;flex-shrink:0;border-right:1px solid var(--border);background:#f1f3eb;padding:30px 21px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.sidebar .brand{font-size:21px;gap:9px}.sidebar .brand small{font-size:8px}.sidebar .mark{width:42px;height:46px;font-size:42px}.sidebar-label{font-size:10px;letter-spacing:1.7px;font-weight:700;color:var(--muted);margin:42px 12px 12px}.student-list{display:grid;gap:8px;overflow-y:auto;max-height:35vh}.student{display:flex;align-items:center;gap:11px;background:transparent;padding:12px;border-radius:10px;text-align:left;color:var(--ink);width:100%}.student.active{background:var(--forest);color:white}.avatar{display:flex;align-items:center;justify-content:center;background:#dfe7d8;color:var(--forest);border-radius:50%;width:36px;height:36px;font-size:12px;flex-shrink:0}.student strong{font-size:14px;display:block}.student small{display:block;font-size:11px;opacity:.7;margin-top:3px}.add-student{border:1px dashed #a0b3a2;background:transparent;border-radius:8px;padding:9px;margin:13px 0;font-size:13px;color:var(--green)}nav{display:grid;gap:6px;margin-top:35px}nav a{font-size:14px;display:flex;gap:13px;padding:10px 12px;border-radius:8px}nav a:hover{background:#e3e9db}nav a span{width:17px;font-size:18px;line-height:1.2}.sidebar-bottom{margin-top:auto;padding:30px 12px 0}.mini-mark{font:32px/1.15 Georgia;color:#6b806c;margin-bottom:14px}.sidebar-bottom small{color:var(--muted);font-size:11px}.main-area{flex:1;min-width:0}.topbar{height:86px;padding:0 44px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted)}.topbar>div{display:flex;align-items:center;gap:15px}.user-name{color:var(--ink)}.dashboard{max-width:1340px;margin:auto;padding:40px 44px 24px}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:28px}.page-heading h1{font-size:46px;margin:12px 0}.page-heading p{font-size:14px;color:var(--muted)}.stats{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:16px;margin-bottom:30px}.stat{background:#eeeee5;padding:23px 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var(--border);border-radius:50%;width:38px;height:38px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.small-button{border:1px solid #c8d3c5;background:white;border-radius:7px;padding:8px 12px;font-size:13px;color:var(--green);white-space:nowrap}.small-button:hover{background:var(--soft)}.week-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;font-size:14px}.week-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));border:1px solid var(--border);border-radius:10px;overflow:hidden}.day{padding:10px 8px;min-height:190px;border-right:1px solid var(--border)}.day:last-child{border:0}.day.today{background:#f8faf4}.day-heading{text-align:center;padding-bottom:12px;border-bottom:1px solid var(--border);margin-bottom:10px}.day-heading span{display:block;color:var(--muted);font-size:12px}.day-heading strong{display:block;font:22px Georgia;margin-top:3px}.today .day-heading strong{color:#9b4c20}.plan-item{border-radius:6px;background:#edf1e6;padding:10px 8px;margin-bottom:8px;border-top:3px solid #a2b88e;overflow-wrap:anywhere}.plan-item>small{font-size:10px;color:var(--muted)}.plan-item>strong{display:block;font-size:12px;margin:7px 0}.plan-item>p{font-size:11px;color:#52674e;line-height:1.5}.free-day{text-align:center;font-size:11px;color:#7d887a;padding:23px 0}.row-actions{display:flex;gap:9px;align-items:center;margin-top:8px}.row-actions button{background:transparent;padding:2px 0;font-size:11px;color:var(--green);text-decoration:underline;text-underline-offset:3px}.row-actions button.danger{color:#a44439}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:14px;text-align:left}th{font-size:11px;letter-spacing:.5px;color:var(--muted);background:#f5f7f0;font-weight:500;padding:12px}td{padding:17px 12px;border-bottom:1px solid var(--border)}td small{display:block;font-size:10px;color:var(--muted);margin-top:4px;white-space:nowrap}td strong{font-size:13px;font-weight:600}.good{color:var(--green);font-weight:600}.net{display:inline-block;background:var(--soft);padding:4px 9px;border-radius:6px;font-weight:600;color:var(--green)}.footnote{font-size:11px;color:var(--muted);margin-top:16px}.topic-row{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:17px 0;border-top:1px solid var(--border)}.subject-label{font-size:11px;color:var(--muted)}.topic-row h3{margin-top:4px}.topic-controls{display:flex;gap:20px;align-items:center}.check-label{display:flex;align-items:center;gap:8px;margin:0;font-size:12px;min-width:100px}.check-label input{width:17px;height:17px;margin:0;accent-color:var(--green)}.check-label input:disabled{cursor:default;opacity:.8}.topic-controls .row-actions{margin:0}.notes{background:#f2f4eb}.note{background:white;padding:20px 22px;border-left:3px solid #a6b990;border-radius:0 8px 8px 0;margin-top:13px}.note-top{display:flex;justify-content:space-between;gap:15px;font-size:13px}.note-top small{font-size:11px;color:var(--muted)}.note>p{font-size:14px;line-height:1.8;margin-top:12px;white-space:pre-wrap;overflow-wrap:anywhere}.dashboard footer{margin-top:36px}dialog{border:1px solid var(--border);border-radius:18px;width:500px;max-width:calc(100% - 28px);padding:28px;color:var(--ink);max-height:90vh;box-shadow:0 30px 100px #0003}dialog::backdrop{background:#102c2670;backdrop-filter:blur(3px)}.dialog-heading{display:flex;justify-content:space-between;align-items:center;gap:15px}.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.calculated{background:var(--soft);padding:12px;border-radius:8px}.empty{padding:30px;color:var(--muted);font-size:14px;text-align:center}.loading{padding:50px;text-align:center}#toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,20px);background:var(--forest);color:white;border-radius:10px;padding:12px 22px;box-shadow:0 8px 30px #0002;opacity:0;pointer-events:none;transition:.2s;z-index:5;max-width:90vw;font-size:14px}#toast.show{opacity:1;transform:translate(-50%,0)}
@media(min-width:1600px){.day{min-height:220px}.plan-item>strong{font-size:14px}.plan-item>p{font-size:12px}}
@media(max-width:1150px){.sidebar{width:224px;padding:25px 14px}.dashboard{padding:30px 24px}.topbar{padding:0 24px}.week-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.day{border-bottom:1px solid var(--border);min-height:170px}.topic-controls{gap:12px;flex-wrap:wrap}.section-title p{font-size:12px}.card{padding:20px}}
@media(max-width:760px){.home{padding:23px}.header-note{display:none}.welcome{margin:48px auto 35px}.welcome h1{font-size:70px}.eyebrow{font-size:9px;letter-spacing:1.7px}.entry{padding:18px}.home footer span{display:none}.login-layout{grid-template-columns:1fr;gap:28px;margin:42px auto}.login-intro h1{font-size:50px;margin:12px 0}.login-intro h1 br{display:none}.login-intro p{font-size:15px;max-width:none}.login-card{padding:25px}.workspace{display:block}.sidebar{width:100%;height:auto;position:static;padding:18px;border-right:0;border-bottom:1px solid var(--border)}.sidebar .brand{font-size:22px}.sidebar-label{margin:20px 0 10px}.student-list{display:flex;overflow-x:auto}.student{min-width:195px;width:auto}.sidebar nav{display:flex;overflow:auto;margin:12px 0 0;gap:5px}.sidebar nav a{white-space:nowrap;font-size:12px;padding:8px}.sidebar nav a span{display:none}.sidebar-bottom{display:none}.add-student{align-self:flex-start;margin-bottom:0}.topbar{height:auto;min-height:62px;padding:12px 18px;gap:8px}.topbar>div{gap:2px}.user-name{display:none}.topbar .quiet{font-size:12px}.dashboard{padding:26px 16px 20px}.page-heading h1{font-size:36px}.page-heading p{font-size:12px}.page-heading>.tag{font-size:10px}.stats{gap:8px;grid-template-columns:repeat(3,minmax(0,1fr));margin-bottom:20px}.stat{padding:15px 11px;border-radius:10px}.stat>span{font-size:8px;letter-spacing:.6px}.stat>strong{font-size:29px}.stat strong small{font-size:12px}.stat p{font-size:10px}.card{padding:17px 14px;border-radius:12px}.section-heading{align-items:flex-start;gap:8px}.section-number{display:none}.section-title h2{font-size:20px}.section-title p{font-size:11px;max-width:190px}.small-button{font-size:11px;padding:8px}.week-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.day{min-height:155px}.day:last-child{grid-column:span 2}.plan-item>strong{font-size:14px}.plan-item>p{font-size:12px}.plan-item>small{font-size:11px}.week-bar{font-size:12px}.topic-row{flex-direction:column;align-items:flex-start;gap:12px}.topic-controls{width:100%;gap:15px}.topic-controls .row-actions{margin-left:auto}.note{padding:16px}.note-top{flex-wrap:wrap;gap:4px}.note>p{font-size:13px}td,th{padding:12px 9px}td{white-space:nowrap}dialog{padding:22px}.dashboard footer{font-size:10px}.dashboard footer span{max-width:150px;text-align:right}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}


/* Readable working controls at every screen size. */
.plan-item>strong{font-size:14px}.plan-item>p,.plan-item>small,.row-actions button,.check-label,.footnote{font-size:12px}.section-title p,.small-button{font-size:14px}.stat>span{font-size:12px}.student small{font-size:12px}.topic-row .subject-label{font-size:12px}@media(max-width:760px){.stats{grid-template-columns:1fr}.stat{padding:17px;display:grid;grid-template-columns:1fr auto;gap:4px 16px}.stat>strong{grid-column:2;grid-row:1 / 3;margin:0}.stat p{font-size:12px}.stat progress{grid-column:1 / -1}.section-heading{flex-wrap:wrap}.plan-item .row-actions{gap:12px}.small-button{font-size:13px}}

/* Teacher workspace: dedicate remaining sidebar height to the roster. */
.teacher-sidebar{height:100dvh;min-height:0;overflow:hidden}.teacher-sidebar>.brand,.teacher-sidebar>.sidebar-label,.teacher-sidebar>.add-student{flex-shrink:0}.teacher-sidebar .student-list{flex:1;min-height:0;max-height:none;align-content:start;overflow-y:auto;scrollbar-gutter:stable}.teacher-sidebar .student{min-height:76px;flex-shrink:0}.teacher-sidebar .student>span:last-child{min-width:0;overflow-wrap:anywhere}.teacher-sidebar .add-student{margin-bottom:0}.student-heading-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
@media(max-width:760px){.teacher-sidebar{height:auto;max-height:none;overflow:visible}.teacher-sidebar .student-list{display:grid;max-height:40dvh;min-height:76px;overflow-x:hidden;overflow-y:auto;flex:auto}.teacher-sidebar .student{min-width:0;width:100%}.teacher-sidebar .add-student{align-self:stretch}.student-heading-actions{gap:8px}.student-heading-actions .small-button{font-size:12px}}