/* OBC Study: study plan page */
.sp{display:grid;grid-template-columns:minmax(0,400px) minmax(0,1fr);gap:32px;align-items:start;padding-top:32px;padding-bottom:80px}
.sp-setup{position:sticky;top:88px;display:flex;flex-direction:column;gap:16px;max-height:calc(100vh - 104px);overflow:auto;padding-bottom:4px}
.sp-setup .card{padding:22px;display:flex;flex-direction:column;gap:14px}
.sp h2.step{font-size:18px;letter-spacing:-.01em;display:flex;align-items:center;gap:10px}
.sp h2.step .n{width:26px;height:26px;border-radius:50%;background:var(--brand-btn);color:#fff;font-size:13px;display:inline-grid;place-items:center;flex:none}
.sp label.fld{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:600;color:var(--ink-2)}
.sp input[type=date],.sp select{font:inherit;font-size:16px;min-height:46px;padding:0 14px;border:1px solid var(--line-3,#CBD5E1);border-radius:var(--r-sm);background:var(--surface,#fff);color:var(--ink)}
.sp input[type=date]:focus,.sp select:focus{outline:2px solid var(--brand);outline-offset:1px}
.days{display:flex;gap:6px;flex-wrap:wrap}
.days button{width:42px;height:42px;border-radius:50%;border:1px solid var(--line-3,#CBD5E1);background:var(--surface,#fff);font:inherit;font-size:13px;font-weight:700;color:var(--ink-2);cursor:pointer}
.days button[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:var(--surface,#fff)}
.quick{display:flex;gap:6px;flex-wrap:wrap}
.quick .filter{min-height:34px;font-size:13px;padding:0 12px}
.grp{border-top:1px solid var(--line-2);padding-top:12px;display:flex;flex-direction:column;gap:2px}
.grp-h{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--ink);padding:4px 0}
.grp-h .sw{width:10px;height:10px;border-radius:3px;flex:none}
.grp-h .ct{margin-left:auto;font-weight:600;color:var(--faint)}
.grp-h button{border:none;background:none;color:var(--brand);font:inherit;font-size:12px;font-weight:700;cursor:pointer;padding:2px 4px}
.ls{display:grid;grid-template-columns:20px minmax(0,1fr) auto;gap:10px;align-items:start;padding:7px 4px;border-radius:10px;cursor:pointer;font-size:14px;line-height:1.35}
.ls:hover{background:var(--bg-soft)}
.ls input{width:18px;height:18px;margin:1px 0 0;accent-color:var(--brand)}
.ls .t{color:var(--ink-2)}.ls .r{display:block;font-size:12px;color:var(--faint)}
.ls .m{font-size:12px;color:var(--faint);font-weight:600;white-space:nowrap}
.ls.off .t{color:var(--faint);text-decoration:line-through}
.loadline{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);background:var(--bg-soft);border-radius:10px;padding:10px 12px}
.loadline b{color:var(--ink)}
.sp-note{font-size:12px;color:var(--faint)}

.pace{border-radius:var(--r-lg);padding:22px 24px;display:flex;flex-direction:column;gap:12px}
.pace.ok{background:var(--ok-bg);color:var(--ok-ink)}
.pace.steady{background:var(--t-blue);color:var(--t-blue-ink)}
.pace.warn{background:var(--warn-bg);color:var(--warn-ink)}
.pace.bad{background:var(--bad-bg);color:var(--bad-ink)}
.pace h3{font-size:20px;letter-spacing:-.01em}
.pace p{font-size:15px;opacity:.92}
.pace .btn-row{gap:8px}
.pace .btn{min-height:40px;font-size:14px;padding:0 16px}
.meter{height:10px;border-radius:99px;background:rgba(15,23,42,.08);position:relative;overflow:hidden}
.meter i{position:absolute;inset:0 auto 0 0;border-radius:99px;background:currentColor;opacity:.75}
.meter-scale{display:flex;justify-content:space-between;font-size:11px;font-weight:600;opacity:.75}

.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.stat{background:var(--surface,#fff);border:1px solid var(--line);border-radius:var(--r-md);padding:16px 18px}
.stat b{display:block;font-size:26px;letter-spacing:-.02em;color:var(--ink);font-variant-numeric:tabular-nums}
.stat span{font-size:13px;color:var(--muted)}

.phases{display:flex;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);font-size:12px;font-weight:700}
.phases div{padding:10px 12px;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.phases small{display:block;font-weight:500;opacity:.8}


.week{display:flex;flex-direction:column;gap:10px}
.week-h{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.week-h h3{font-size:20px;letter-spacing:-.01em}
.week-h span{font-size:13px;color:var(--faint)}
.day{background:var(--surface,#fff);border:1px solid var(--line);border-radius:var(--r-md);display:grid;grid-template-columns:108px minmax(0,1fr);overflow:hidden}
.day.today{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-chip)}
.day.rest{background:var(--bg-soft)}
.day.examday{background:var(--navy);border-color:var(--navy);color:#fff}
.dd{padding:16px 14px;border-right:1px solid var(--line-2);display:flex;flex-direction:column;gap:2px}
.examday .dd{border-color:rgba(255,255,255,.12)}
.dd .dw{font-size:12px;font-weight:700;color:var(--faint);text-transform:uppercase;letter-spacing:.04em}
.dd .dn{white-space:nowrap;font-size:22px;font-weight:800;letter-spacing:-.02em}
.dd .dt{font-size:12px;font-weight:700;color:var(--muted);margin-top:6px}
.examday .dd .dw,.examday .dd .dt{color:var(--line-3,#C9D3E6)}
.tasks{padding:8px 10px;display:flex;flex-direction:column}
.task{display:grid;grid-template-columns:22px 6px minmax(0,1fr) auto;gap:10px;align-items:start;padding:9px 6px;border-radius:10px}
.task+.task{border-top:1px solid var(--line-2)}
.task input{width:18px;height:18px;margin:2px 0 0;accent-color:var(--ok);cursor:pointer}
.task .bar{display:block;width:4px;min-height:20px;align-self:stretch;border-radius:4px}
.task .tt{font-size:15px;font-weight:600;color:var(--ink);line-height:1.35}
.task .ts{font-size:13px;color:var(--muted);margin-top:2px}
.task .tp{display:flex;flex-wrap:wrap;gap:4px;margin-top:6px}
.task .tm{font-size:13px;font-weight:700;color:var(--faint);white-space:nowrap;padding-top:2px}
.task.done .tt{color:var(--faint)}
.task.done .tt,.task.done .tt a{text-decoration:line-through}
.tt a{color:var(--ink);text-decoration:none}
.tt a:hover{color:var(--brand);text-decoration:underline}
.tt a .go{display:inline-block;margin-left:4px;color:var(--brand);text-decoration:none;transition:transform .15s}
.tt a:hover .go{transform:translateX(2px)}
.pre{margin-top:8px;background:var(--t-purple);color:var(--t-purple-ink);border-radius:12px;padding:10px 12px;font-size:14px;line-height:1.45}
.pre b{display:block;font-size:12px;letter-spacing:.02em;margin-bottom:2px}
.pre q{quotes:none;color:var(--ink);font-weight:600}
.pre a{display:inline-block;margin-top:4px;font-size:13px;font-weight:700;color:var(--t-purple-ink)}
.mem{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--ink-2);white-space:nowrap}
.mem-bar{width:72px;height:8px;border-radius:99px;background:var(--line-2,#E2E8F0);overflow:hidden;display:inline-block}
.mem-bar i{display:block;height:100%;border-radius:99px}
.memlist{display:flex;flex-direction:column;gap:6px;margin-top:6px}
.memrow{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:center;font-size:13px;color:var(--muted)}
.memrow span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.memcard{padding:22px 24px}
.memcard .memrow{font-size:14px;padding:8px 0;border-top:1px solid var(--line-2);grid-template-columns:minmax(0,1fr) auto auto}
.memcard .mem-bar{width:120px}
.memcard .due{font-size:12px;font-weight:700;min-width:84px;text-align:right}
@media (max-width:560px){.memcard .memrow{grid-template-columns:minmax(0,1fr) auto}.memcard .due{grid-column:1/-1;text-align:left;min-width:0}.memcard .mem-bar{width:80px}}
.auto{width:20px;height:20px;border-radius:50%;border:2px solid var(--line-3,#CBD5E1);margin-top:1px;display:grid;place-items:center;flex:none}
.auto.on{background:var(--ok);border-color:var(--ok)}
.lstat{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-top:6px;font-size:13px;font-weight:600}
.lstat .pill{font-size:11px;padding:2px 9px}
.restnote{padding:16px;font-size:14px;color:var(--muted)}
.examday .restnote{color:var(--line-2,#E2E8F0)}
.examday .restnote b{color:#fff;font-size:17px}
.more{align-self:flex-start;white-space:normal;text-align:left;height:auto;padding-top:8px;padding-bottom:8px;max-width:100%}


@media (max-width:980px){
 .sp{grid-template-columns:1fr}
 .sp-setup{position:static;max-height:none;overflow:visible}
 .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:560px){
 .day{grid-template-columns:1fr}
 .dd{flex-direction:row;align-items:baseline;gap:8px;border-right:none;border-bottom:1px solid var(--line-2);padding:12px 14px}
 .dd .dt{margin:0 0 0 auto}
 .task{grid-template-columns:22px 6px minmax(0,1fr)}
 .task .tm{grid-column:3;padding:0}
 .phases div small{display:none}
}

.why{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.why .tile{padding:18px;gap:6px}
.why .tile h4{font-size:15px}
.why .tile p{font-size:13px}
.stat small{font-size:15px;color:var(--faint);font-weight:600}
.setsum dl{display:flex;flex-direction:column;gap:10px;margin:0}
.setsum dl div{display:flex;justify-content:space-between;gap:12px;font-size:15px;border-top:1px solid var(--line-2);padding-top:10px}
.setsum dt{color:var(--muted)}
.setsum dd{margin:0;font-weight:700;color:var(--ink);text-align:right}
.setsum .btn{align-self:flex-start}
.pv-note{background:var(--bg-tint);color:var(--brand-ink);border-radius:var(--r-md);padding:12px 16px;font-size:14px;font-weight:600}
#plan-top{display:flex;flex-direction:column;gap:12px}
#plan-top:empty{display:none}
.linkish{border:none;background:none;padding:0;font:inherit;font-size:13px;color:var(--bad-ink);text-decoration:underline;cursor:pointer;align-self:flex-start}
.day.past{opacity:.75}
.memhead{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:4px}
.memhead h3{font-size:20px}
.memcard p.small{margin-bottom:8px}
.memcard .btn{margin-top:10px}
.memrow a{color:var(--ink-2);text-decoration:none;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.memrow a:hover{color:var(--brand);text-decoration:underline}
.task input[disabled]{opacity:.4;cursor:default}
.pace .btn-white{border-color:transparent}
@media (max-width:980px){.why{grid-template-columns:1fr}}

/* practice exam guide */
.exguide{display:flex;flex-direction:column;gap:12px}
.exguide-h{display:flex;flex-direction:column;gap:8px}
.exguide-h h3{font-size:22px;letter-spacing:-.015em}
.exm{display:grid;grid-template-columns:150px minmax(0,1fr) auto;gap:16px;align-items:start;padding:14px 16px;border:1px solid var(--line);border-left:4px solid var(--navy,#0F172A);border-radius:12px;background:var(--bg-soft)}
.exm.done{opacity:.7}
.exm-d{display:flex;flex-direction:column;gap:2px}
.exm-d b{font-size:16px}
.exm-d span{font-size:13px;color:var(--faint)}
.exm-t{font-weight:700;color:var(--ink);font-size:15.5px}
.exm-b p{font-size:14px;color:var(--muted);margin-top:4px;line-height:1.5}
.exm-b .exm-mode{color:var(--ink-2)}
.exm-s{display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.exm-s .linkish{font-size:13px;color:var(--brand);align-self:auto;font-weight:600}
@media (max-width:640px){.exm{grid-template-columns:1fr;gap:8px}.exm-s{flex-direction:row;align-items:center;justify-content:space-between}}

/* collapsible lesson picker */
.lpick>summary{display:flex;justify-content:space-between;align-items:center;gap:10px;list-style:none;cursor:pointer;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:var(--bg-soft);font-size:14px;color:var(--ink-2)}
.lpick>summary::-webkit-details-marker{display:none}
.lpick>summary:hover{border-color:var(--brand)}
.lpick-go{color:var(--brand);font-weight:700;white-space:nowrap}
.lpick-go::after{content:"Choose lessons ▸"}
.lpick[open] .lpick-go::after{content:"Done ▾"}
.lpick[open]>summary{margin-bottom:12px}
.lpick .quick{margin-bottom:10px}
/* sticky start bar, small screens only */
.sp-bar{display:none}
@media (max-width:980px){
 .sp-bar:not([hidden]){display:flex;position:fixed;left:0;right:0;bottom:0;z-index:40;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px calc(12px + env(safe-area-inset-bottom));background:var(--surface,#fff);border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(15,23,42,.08)}
 .sp-bar-t{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ink-2);min-width:0}
 .sp-bar .btn{flex:none}
 .sp-bar .btn:disabled{opacity:.5;cursor:not-allowed}
 html.has-sp-bar body{padding-bottom:76px}
}
.sp-dot{width:10px;height:10px;border-radius:50%;flex:none;background:var(--ok)}
.sp-dot.steady{background:var(--brand-btn,#3350E0)}.sp-dot.warn{background:var(--warn,#E0A100)}.sp-dot.bad{background:var(--bad)}
.sp-bar-l{display:flex;flex-direction:column;line-height:1.25}.sp-bar-l b{color:var(--ink)}.sp-bar-l small{font-size:12px;font-weight:500;color:var(--faint)}

/* Study plans landing (/obc/study-plans/) — plans.js */
.spx{display:grid;grid-template-columns:minmax(0,380px) minmax(0,1fr);background:var(--surface,#fff);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow)}
.spx-set{padding:28px;display:flex;flex-direction:column;gap:16px;background:var(--bg-soft);border-right:1px solid var(--line)}
.spx .fld{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:600;color:var(--ink-2)}
.spx input[type=date],.spx select{font:inherit;font-size:16px;min-height:46px;padding:0 14px;border:1px solid var(--line-3,#CBD5E1);border-radius:var(--r-sm);background:var(--surface,#fff);color:var(--ink);width:100%}
.spx input[type=date]:focus,.spx select:focus{outline:2px solid var(--brand);outline-offset:1px}
.spx .quick .filter[aria-pressed=true]{background:var(--ink);color:var(--surface,#fff);border-color:var(--ink)}
.spx-out{padding:28px;display:flex;flex-direction:column;gap:16px;min-width:0}
.spx-pace h3{font-size:26px}
.spx-k{font-size:12px;font-weight:800;letter-spacing:.06em;text-transform:uppercase}
.spx-facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:0}
.spx-facts>div{background:var(--bg-soft);border:1px solid var(--line-2);border-radius:var(--r-sm);padding:12px 14px;display:flex;flex-direction:column-reverse;gap:2px}
.spx-facts dt{font-size:12px;color:var(--muted);line-height:1.35}
.spx-facts dd{margin:0;font-size:22px;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.spx-sug{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:12px 14px;border:1px dashed var(--line-3,#CBD5E1);border-radius:var(--r-sm)}
.spx-out .btn-row{margin-top:4px}
.spx-bar{height:8px;border-radius:99px;background:var(--line-2);overflow:hidden}
.spx-bar i{display:block;height:100%;background:var(--ok);border-radius:99px}
.spx-today{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;font-size:14px;color:var(--ink-2)}
.spx-today li{display:flex;gap:10px;align-items:baseline;line-height:1.4}
.spx-dot{width:9px;height:9px;border-radius:50%;flex:none;transform:translateY(-1px)}
.spx-dot.l{background:var(--brand-btn)}.spx-dot.r{background:var(--ok)}.spx-dot.e{background:var(--warn,#C98A1B)}
@media (max-width:980px){.spx{grid-template-columns:1fr}.spx-set{border-right:0;border-bottom:1px solid var(--line)}.spx-facts{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:860px){.spx-set,.spx-out{padding:20px}.spx-pace h3{font-size:22px}}
.spx .days{gap:5px}.spx .days button{width:40px;height:40px}