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h3{margin:0 0 16px;font-size:1.25em}.rd-content p{margin:0 0 18px}.rd-kicker{letter-spacing:.06em;color:var(--r-mute);font-weight:700;margin:0 0 6px!important;font-size:14px!important}.rd-kicker,.rd-mcq{font-family:var(--font)}.rd-mcq{border:1px solid var(--r-line);border-radius:12px;margin-bottom:18px;padding:16px 18px;font-size:.92em}.rd-note{font-family:var(--font);color:var(--r-mute);font-size:13px!important}.rd-wm{pointer-events:none;-webkit-user-select:none;user-select:none;flex-direction:column;justify-content:space-around;align-items:center;display:flex;position:absolute;inset:-40px -200px}.rd-wm span{font-family:var(--font);color:var(--r-wm);white-space:nowrap;letter-spacing:.04em;font-size:22px;font-weight:700;transform:rotate(-24deg)}.rd-pdf{justify-content:center;display:flex}.rd-pdf canvas{background:#fff;max-width:100%;box-shadow:0 4px 24px #00000026}.reader-body[data-theme=dark] .rd-pdf canvas{filter:invert(.9)hue-rotate(180deg)}.rd-range{width:100%;accent-color:var(--saffron)}.rd-end{text-align:center;max-width:680px;font-family:var(--font);margin:0 auto}@media (max-width:760px){.rd-toc{z-index:20;background:var(--r-bg);max-height:none;position:fixed;inset:0 30% 0 0;box-shadow:0 0 40px #0000004d}.rd-title{display:none}.rd-bar{padding:6px 8px}.rd-page{padding:24px 16px}}@media print{.rd,.reader-body{display:none!important}}.doc ol,.doc ul{padding-left:1.4em}.spinner{border:2px solid;border-right:2px solid #0000;border-radius:50%;width:18px;height:18px;animation:aioSpin .7s linear infinite;display:inline-block}@keyframes aioSpin{to{transform:rotate(1turn)}}.toast-wrap{z-index:95;flex-direction:column;align-items:center;gap:8px;width:max-content;max-width:calc(100% - 32px);display:flex;position:fixed;bottom:20px;left:50%;transform:translate(-50%)}.toast-wrap .toast{position:static;transform:none}.toast.err{background:var(--alert)}.course-band{border-radius:var(--radius-lg);background:#fff4d6;border:1px solid #f3dfa8;flex-wrap:wrap;align-items:center;gap:20px;padding:24px;display:flex}.exam-chip{color:var(--purple);background:#ede7fa;border-radius:8px;align-items:center;gap:6px;padding:4px 10px;font-size:13px;font-weight:700;display:inline-flex}.dlg-body{flex-direction:column;gap:14px;padding:22px;display:flex}.code-box{border:1px solid var(--line);white-space:pre-wrap;word-break:break-all;background:#f6f7f4;border-radius:10px;padding:10px 12px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}.adm-form-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;display:grid}.sticky-actions{background:linear-gradient(#0000,#f2f4f1 30%);padding-top:16px;padding-bottom:8px;position:sticky;bottom:0}.badge-n{background:var(--saffron);color:var(--ink);text-align:center;border-radius:999px;min-width:20px;padding:0 7px;font-size:11px;font-weight:800;line-height:20px}.choice{position:relative}.lib-actions{flex-direction:column;gap:6px;display:flex}.inv{background:#fff;max-width:760px;margin:24px auto;padding:24px}@media print{.noprint{display:none!important}body{background:#fff}}}@layer utilities{.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden}.absolute,.sr-only{position:absolute}.fixed{position:fixed}.relative{position:relative}.static{position:static}.block{display:block}.contents{display:contents}.flex{display:flex}.grid{display:grid}.hidden{display:none}.inline-block{display:inline-block}.inline-flex{display:inline-flex}.grow{flex-grow:1}.truncate{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.border{border-style:var(--tw-border-style);border-width:1px}.uppercase{text-transform:uppercase}.line-through{text-decoration-line:line-through}.sepia{--tw-sepia:sepia(100%)}.filter,.sepia{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}}:root{--primary:#0e5a4a;--primary-700:#0a4135;--primary-50:#f1f7f4;--deep:#0e3b33;--deep-2:#174c42;--saffron:#f5b301;--saffron-600:#e0a300;--ink:#16211f;--ink-2:#2b3a37;--ink-3:#3c4a47;--muted:#5b6b67;--muted-2:#6b7a76;--bg:#f5f6f3;--card:#fff;--line:#e3e7e3;--line-2:#eef1ee;--line-strong:#c9d3cf;--mint:#eef3f1;--ebook:#1e40af;--ebook-bg:#e7eeff;--ebook-50:#f1f5ff;--book:#0e5a4a;--book-bg:#e3f2ec;--stat:#92400e;--stat-bg:#fdefd9;--alert:#8a2433;--alert-bg:#fce8ea;--warn:#b45309;--warn-bg:#fff1cc;--warn-ink:#7a4b00;--warn-50:#fff6e5;--ok:#0e7a4f;--purple:#5b3a9e;--purple-bg:#ede7fa;--yt:#f03;--cream:#fff8e6;--cream-line:#f3dfa8;--radius:14px;--radius-lg:20px;--font:"Hind Siliguri","Noto Sans Bengali",system-ui,-apple-system,"Segoe UI",sans-serif;--font-disp:"Bricolage Grotesque","Hind Siliguri","Noto Sans Bengali",system-ui,sans-serif;--font-read:"Noto Serif Bengali","Hind Siliguri",serif}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}