:root{--navy:#10294b;--navy2:#173e70;--blue:#1670d2;--blue2:#0d86ed;--pink:#e83e8c;--green:#168451;--red:#c93649;--amber:#d88c13;--bg:#f3f7fc;--card:#fff;--line:#d8e3f1;--muted:#62748d;--shadow:0 16px 40px rgba(16,41,75,.09);--radius:20px}*{box-sizing:border-box}html,body{width:100%;max-width:100%;overflow-x:hidden}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;background:linear-gradient(180deg,#edf4fc 0,#f8fbff 320px,#f3f7fc 100%);color:#14243b;font-family:"Segoe UI","Nirmala UI",Arial,sans-serif;-webkit-font-smoothing:antialiased}button,input,select{font:inherit}a{color:inherit}.topbar{position:sticky;top:0;z-index:100;background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;box-shadow:0 8px 26px rgba(16,41,75,.2)}.topbar-inner{max-width:1400px;margin:auto;padding:12px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none;min-width:0}.brand img{width:54px;height:54px;object-fit:contain;background:#fff;border-radius:13px;padding:4px;flex:0 0 auto}.brand span{min-width:0}.brand strong{display:block;font-size:20px;line-height:1.2}.brand small,.centre-brand small{display:block;margin-top:3px;opacity:.82;font-size:12px}.centre-brand{text-align:right}.centre-brand strong{display:block;font-size:16px}.desktop-nav{position:sticky;top:78px;z-index:90;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}.desktop-nav-inner{max-width:1400px;margin:auto;padding:10px 24px;display:flex;align-items:center;gap:22px}.desktop-nav a,.desktop-nav button{border:0;background:none;color:var(--navy);font-weight:750;text-decoration:none;cursor:pointer;padding:5px 0}.desktop-nav .logout-link{margin-left:auto}.page-shell{max-width:1180px;margin:28px auto;padding:0 18px 92px;min-height:calc(100vh - 200px)}.card,.empty-state,.exam-intro,.result-card,.set-card,.course-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.login{max-width:480px;margin:70px auto;padding:28px}.login h1{margin-top:0}.muted{color:var(--muted)}.field{margin:15px 0}.field label{display:block;font-weight:750;margin-bottom:7px}.field input,.field select{width:100%;padding:13px 14px;border:1px solid #bacbe0;border-radius:12px;background:#fff;outline:none}.field input:focus,.field select:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(22,112,210,.1)}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:11px 18px;border:0;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;font-weight:780;text-decoration:none;cursor:pointer;box-shadow:0 8px 18px rgba(22,112,210,.16);transition:.18s}.btn:hover{transform:translateY(-1px)}.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}.btn.secondary{background:#eaf2fb;color:var(--navy);box-shadow:none}.btn.pink{background:linear-gradient(135deg,#d93684,var(--pink))}.btn.review{background:#fff7e6;color:#845500;border:1px solid #efd18b;box-shadow:none}.btn.review.active{background:#f4c65d}.btn.large{padding:14px 24px;font-size:16px}.btn.full{width:100%}.alert{padding:13px 15px;border-radius:12px;background:#fdecef;color:#9b2430;margin:12px 0}.eyebrow{font-size:12px;letter-spacing:.11em;font-weight:850;color:var(--blue)}.eyebrow.light{color:#d8eaff}.dashboard-hero{background:linear-gradient(135deg,#10294b,#205894);color:#fff;border-radius:24px;padding:30px;display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:24px;box-shadow:0 18px 45px rgba(16,41,75,.18)}.dashboard-hero h1{margin:7px 0;font-size:32px;line-height:1.2}.dashboard-hero p{margin:0;max-width:690px;opacity:.86}.identity-card{min-width:230px;padding:16px 20px;border-radius:16px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2)}.identity-card span,.identity-card small{display:block;opacity:.82}.identity-card b{display:block;font-size:20px;margin:5px 0}.course-grid{display:grid;gap:20px}.course-card{padding:22px;display:flex;gap:18px}.course-icon{width:58px;height:58px;display:grid;place-items:center;border-radius:16px;background:#edf5fe;font-size:28px;flex:0 0 auto}.course-body{flex:1;min-width:0}.course-body h2{margin:6px 0 7px;color:var(--navy);font-size:24px}.course-body p{margin:0;color:var(--muted)}.metric-row{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}.metric-row span{min-width:110px;padding:9px 13px;border:1px solid #e1eaf5;border-radius:13px;background:#f5f8fd;display:flex;flex-direction:column;gap:2px}.metric-row b{font-size:18px}.metric-row small{font-size:11px;color:var(--muted)}.course-actions{display:flex;flex-wrap:wrap;gap:9px}.page-head,.reader-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:20px}.page-head.compact{align-items:center}.page-head h1,.reader-heading h1{margin:8px 0 5px;color:var(--navy);line-height:1.2}.page-head p,.reader-heading p{margin:0;color:var(--muted);max-width:780px}.breadcrumb,.breadcrumbs a{color:var(--blue);font-weight:750;text-decoration:none}.breadcrumbs{display:flex;gap:7px;align-items:center;color:var(--muted);font-size:14px}.summary-chip,.reader-count{min-width:145px;padding:12px 17px;border-radius:15px;background:var(--navy);color:#fff;text-align:center}.summary-chip b,.summary-chip span{display:block}.summary-chip b{font-size:26px}.set-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(245px,1fr));gap:16px}.set-card{padding:19px}.set-card.active{border-color:var(--blue);box-shadow:0 0 0 4px rgba(22,112,210,.08)}.set-number{font-size:12px;font-weight:850;color:var(--blue);letter-spacing:.1em}.set-card h3{margin:8px 0}.set-card p{color:var(--muted)}.session-note{padding:8px 10px;border-radius:10px;background:#edf7f1;color:#14613d;font-size:13px;margin-bottom:12px}.practice-layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:18px}.practice-card{padding:24px}.status-row{display:flex;justify-content:space-between;gap:12px;margin-bottom:12px}.status-label{display:block;font-size:11px;letter-spacing:.08em;font-weight:850;color:var(--muted)}.status-row b{font-size:18px;color:var(--navy)}.progress{height:10px;background:#e6edf6;border-radius:999px;overflow:hidden}.progress span{display:block;height:100%;background:linear-gradient(90deg,var(--blue),var(--pink));transition:.3s}.question-stage{margin-top:22px}.qno{color:var(--blue);font-weight:850;margin-bottom:9px}.question{font-size:21px;font-weight:760;line-height:1.45;margin-bottom:17px}.option-list{display:grid;gap:10px}.option{width:100%;display:flex;align-items:flex-start;gap:10px;text-align:left;padding:13px 15px;border:1px solid #cbd9eb;border-radius:12px;background:#fff;color:#14243b;font-weight:650;cursor:pointer}.option:hover{border-color:var(--blue);background:#f7fbff}.option b{color:var(--blue)}.option.correct{background:#e8f7ef;border-color:#80c9a3;color:#11613c}.option.wrong{background:#fdecef;border-color:#e7a1aa;color:#9c2431}.feedback{margin-top:14px;padding:13px 15px;border-radius:12px}.feedback.ok{background:#e8f7ef;color:#11613c}.feedback.bad{background:#fdecef;color:#9c2431}.practice-footer{display:flex;justify-content:flex-end;margin-top:18px}.study-tip{height:max-content;position:sticky;top:130px;padding:18px;border-radius:16px;background:#fff8e9;border:1px solid #f0d69e;color:#704b00}.exam-intro{max-width:900px;margin:30px auto;padding:30px}.exam-intro h1{margin:8px 0;font-size:31px}.exam-facts,.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:22px 0}.exam-facts span,.result-grid span{padding:14px;border-radius:14px;background:#f4f8fd;border:1px solid #e0eaf5;text-align:center}.exam-facts b,.exam-facts small,.result-grid b,.result-grid small{display:block}.exam-facts b,.result-grid b{font-size:24px}.rules{padding:18px;border-radius:15px;background:#f7faff;border:1px solid var(--line);margin-bottom:20px}.rules h3{margin-top:0}.exam-mode{background:#edf3fa}.exam-mode .page-shell{max-width:1320px;margin:18px auto;padding-bottom:30px}.exam-watermark{position:fixed;inset:0;display:grid;place-items:center;transform:rotate(-28deg);font-size:34px;font-weight:900;color:rgba(16,41,75,.035);pointer-events:none}.exam-header{position:relative;z-index:2;background:linear-gradient(135deg,#10294b,#1d4e83);color:#fff;border-radius:18px;padding:17px 21px;display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.exam-header h1{margin:5px 0 0;font-size:21px}.exam-live{display:flex;align-items:center;gap:22px}.exam-live small,.exam-live b{display:block}.timer{font-size:24px;font-weight:850;color:#ffd7ea;background:rgba(255,255,255,.1);padding:9px 13px;border-radius:12px}.quiz-shell{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:18px}.exam-question-card,.exam-sidebar{padding:22px}.exam-question-card{min-height:540px}.exam-option input{margin-top:4px;accent-color:var(--blue)}.exam-actions{display:flex;justify-content:space-between;gap:10px;margin-top:22px}.exam-sidebar{height:max-content;position:sticky;top:18px}.palette-head{display:flex;align-items:center;justify-content:space-between}.palette-head h3{margin:0}.palette-toggle{display:none;border:0;background:#edf3fb;border-radius:8px;padding:7px}.palette{display:grid;grid-template-columns:repeat(5,1fr);gap:7px;margin:15px 0}.palette button{border:1px solid var(--line);border-radius:9px;padding:9px;background:#fff;font-weight:750;cursor:pointer}.palette button.answered{background:#daf3e5;border-color:#8dd0aa}.palette button.reviewed{box-shadow:inset 0 -4px #f1ba43}.palette button.current{background:#dcecff;border:2px solid var(--blue)}.legend{display:flex;flex-wrap:wrap;gap:8px;font-size:11px;color:var(--muted);margin-bottom:14px}.legend span{display:flex;align-items:center;gap:4px}.legend i{width:10px;height:10px;border-radius:3px;background:#fff;border:1px solid var(--line)}.legend i.answered{background:#daf3e5}.legend i.reviewed{background:#f1ba43}.legend i.current{background:#dcecff;border-color:var(--blue)}.link-danger{width:100%;border:0;background:none;color:var(--red);font-weight:750;margin-top:12px;cursor:pointer}.result-card{max-width:820px;margin:40px auto;padding:34px;text-align:center}.result-icon{width:65px;height:65px;border-radius:50%;background:#e7f7ef;color:var(--green);font-size:34px;display:grid;place-items:center;margin:0 auto 16px}.result-score{display:flex;align-items:baseline;justify-content:center;color:var(--pink);margin:15px}.result-score b{font-size:58px}.result-score span{font-size:25px;font-weight:750}.result-grid{grid-template-columns:repeat(5,1fr)}.privacy-note,.reader-notice{background:#fff7e7;border:1px solid #efd38e;color:#744c00;border-radius:13px;padding:14px;line-height:1.5}.result-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:20px}.reader-count{min-width:92px;font-size:18px}.secure-reader{display:grid;grid-template-columns:54px minmax(0,1fr) 54px;align-items:center;gap:12px;margin-top:15px}.page-frame{position:relative;min-height:68vh;display:grid;place-items:center;overflow:hidden;padding:10px;border-radius:18px;background:#1b2736;box-shadow:0 16px 42px rgba(16,41,75,.2)}.page-frame img{display:block;max-width:100%;max-height:82vh;object-fit:contain;user-select:none;-webkit-user-drag:none}.reader-arrow{width:48px;height:70px;border:0;border-radius:14px;background:var(--navy);color:#fff;font-size:35px;cursor:pointer}.reader-arrow:disabled,.reader-controls .btn:disabled{opacity:.35;cursor:not-allowed}.reader-loading,.reader-error{position:relative;z-index:4;background:#fff;border-radius:12px;padding:17px 20px;max-width:520px;text-align:center;font-weight:750}.reader-error{color:#9d2330;border:1px solid #e69ba5}.watermark-grid{position:absolute;inset:-18%;display:grid;grid-template-columns:repeat(3,1fr);align-content:space-around;justify-items:center;transform:rotate(-28deg);pointer-events:none;overflow:hidden}.watermark-grid span{color:rgba(176,20,85,.18);font-size:13px;font-weight:900;white-space:nowrap}.screen-shield{position:absolute;inset:0;background:#10294b;color:#fff;display:grid;place-items:center;font-size:22px;font-weight:850;opacity:0;pointer-events:none;transition:.15s}.screen-shield.show{opacity:1}.reader-controls{display:flex;align-items:center;justify-content:center;gap:12px;margin:14px 0}.reader-controls input{width:min(470px,50vw)}.reader-mode,.reader-mode *{user-select:none}.privacy-blur .page-frame img{filter:blur(18px)}.mobile-nav{display:none}.site-footer{text-align:center;color:var(--muted);padding:22px 16px 28px}table{width:100%;border-collapse:collapse}th,td{padding:10px;border-bottom:1px solid var(--line);text-align:left}.oktxt{color:var(--green);font-weight:750}.badtxt{color:var(--red);font-weight:750}
@media(max-width:900px){.practice-layout,.quiz-shell{grid-template-columns:1fr}.study-tip,.exam-sidebar{position:static}.exam-sidebar{order:-1}.palette-toggle{display:block}.palette.collapsed{display:none}.exam-question-card{min-height:auto}.centre-brand{display:none}.result-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:680px){body{padding-bottom:72px}.topbar-inner{padding:9px 12px;min-height:62px}.brand img{width:43px;height:43px;border-radius:10px}.brand strong{font-size:15px;line-height:1.2}.brand small{font-size:10px}.desktop-nav{display:none}.page-shell{width:100%;margin:15px auto;padding:0 11px 84px}.dashboard-hero{display:block;padding:21px;border-radius:18px}.dashboard-hero h1{font-size:25px}.identity-card{margin-top:17px;min-width:0}.course-card{display:block;padding:18px;border-radius:17px}.course-icon{margin-bottom:12px}.course-body h2{font-size:21px}.metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}.metric-row span{min-width:0;padding:8px;text-align:center}.course-actions{display:grid}.course-actions .btn{width:100%}.mobile-nav{display:grid;grid-template-columns:repeat(3,1fr);position:fixed;left:0;right:0;bottom:0;z-index:110;background:rgba(255,255,255,.98);border-top:1px solid var(--line);box-shadow:0 -7px 22px rgba(16,41,75,.1);padding:6px 8px calc(6px + env(safe-area-inset-bottom))}.mobile-nav a,.mobile-nav button{border:0;background:none;color:var(--navy);text-decoration:none;text-align:center;font-size:11px;font-weight:750}.mobile-nav span{display:block;font-size:21px;line-height:21px}.page-head,.reader-heading{display:block}.summary-chip,.reader-count{margin-top:13px;display:inline-block}.set-grid{grid-template-columns:1fr 1fr;gap:10px}.set-card{padding:14px}.question{font-size:18px}.option{font-size:15px;padding:13px}.practice-card{padding:15px}.study-tip{display:none}.exam-mode{padding-bottom:0}.exam-mode .topbar{display:none}.exam-mode .page-shell{margin:0;padding:0 0 14px}.exam-header{position:sticky;top:0;z-index:70;border-radius:0;padding:12px 13px}.exam-header h1{font-size:15px}.exam-live{gap:9px}.exam-live span{display:none}.timer{font-size:19px;padding:8px}.quiz-shell{gap:9px}.exam-question-card,.exam-sidebar{padding:14px;border-radius:0;border-left:0;border-right:0;box-shadow:none}.exam-sidebar{order:0}.palette{grid-template-columns:repeat(10,1fr);gap:4px;max-height:120px;overflow:auto}.palette button{padding:7px 2px;font-size:11px}.exam-actions{position:sticky;bottom:0;z-index:50;background:#fff;padding:9px 0;display:grid;grid-template-columns:1fr 1fr}.exam-actions .review{grid-column:1/-1;grid-row:1}.exam-intro{padding:20px 16px;margin:10px auto}.exam-intro h1{font-size:24px}.result-card{margin:12px auto;padding:22px 14px}.result-score b{font-size:48px}.result-grid{grid-template-columns:repeat(2,1fr);gap:8px}.secure-reader{display:block}.reader-arrow{display:none}.page-frame{min-height:56vh;padding:4px;border-radius:11px}.page-frame img{max-height:74vh}.watermark-grid{grid-template-columns:repeat(2,1fr)}.watermark-grid span{font-size:9px}.reader-controls{position:sticky;bottom:72px;z-index:70;display:grid;grid-template-columns:58px minmax(0,1fr) 58px;width:100%;padding:8px;background:#fff;border:1px solid var(--line);border-radius:13px}.reader-controls input{width:100%;min-width:0}.reader-controls .btn{padding:8px;font-size:12px}.reader-notice{font-size:12px}.site-footer{display:none}}
@media(max-width:410px){.set-grid{grid-template-columns:1fr}.metric-row{grid-template-columns:1fr 1fr}.brand small{display:none}.exam-facts{grid-template-columns:1fr 1fr}}
@media(min-width:681px){.mobile-nav{display:none!important}.desktop-nav{display:block!important}}

/* GVES v4.1 protected reader readability upgrade */
.reader-mode .page-shell{max-width:1600px;width:100%;padding-left:14px;padding-right:14px}
.reader-toolbar{display:flex;justify-content:flex-end;align-items:center;gap:8px;margin:12px 0}
.reader-toolbar .btn{min-width:48px;box-shadow:none}
.secure-reader{grid-template-columns:56px minmax(0,1fr) 56px;gap:10px}
.page-frame{min-height:calc(100vh - 315px);height:auto;padding:8px;overflow:auto;align-items:start}
.page-frame img{width:auto;max-width:none;height:auto;max-height:none;transform-origin:top center;transition:transform .15s ease;will-change:transform}
.page-frame.fit-width img{width:100%;max-width:1200px;transform:none!important}
.page-frame.fit-height{overflow:hidden;place-items:center}
.page-frame.fit-height img{max-width:100%;max-height:calc(100vh - 330px);width:auto;transform:none!important}
.secure-reader:fullscreen,.secure-reader:-webkit-full-screen{background:#0d1827;padding:10px;grid-template-columns:58px minmax(0,1fr) 58px;width:100vw;height:100vh;gap:10px}
.secure-reader:fullscreen .page-frame,.secure-reader:-webkit-full-screen .page-frame{height:calc(100vh - 20px);min-height:0;border-radius:12px;overflow:auto}
.secure-reader:fullscreen .page-frame img,.secure-reader:-webkit-full-screen .page-frame img{margin:auto}
.secure-reader:fullscreen .reader-arrow,.secure-reader:-webkit-full-screen .reader-arrow{display:block}
body.reader-mode.reader-fullscreen .topbar,body.reader-mode.reader-fullscreen .desktop-nav,body.reader-mode.reader-fullscreen .reader-heading,body.reader-mode.reader-fullscreen .reader-notice,body.reader-mode.reader-fullscreen .reader-toolbar,body.reader-mode.reader-fullscreen .reader-controls,body.reader-mode.reader-fullscreen .site-footer,body.reader-mode.reader-fullscreen .mobile-nav{display:none!important}
body.reader-mode.reader-fullscreen .page-shell{max-width:none;margin:0;padding:0;min-height:100vh}
@media(max-width:680px){
  .reader-mode .page-shell{padding-left:6px;padding-right:6px}
  .reader-toolbar{position:sticky;top:0;z-index:75;justify-content:center;background:rgba(255,255,255,.97);padding:7px;border:1px solid var(--line);border-radius:12px}
  .reader-toolbar .btn{min-height:40px;padding:8px 10px;font-size:12px}
  .page-frame{min-height:calc(100vh - 285px);padding:3px;overflow:auto}
  .page-frame.fit-width img{width:100%;max-width:none}
  .secure-reader:fullscreen,.secure-reader:-webkit-full-screen{display:block;padding:0}
  .secure-reader:fullscreen .page-frame,.secure-reader:-webkit-full-screen .page-frame{height:100vh;border-radius:0;padding:0}
  .secure-reader:fullscreen .reader-arrow,.secure-reader:-webkit-full-screen .reader-arrow{display:none}
}

/* GVES v4.2 clean and readable study reader */
.reader-heading-clean{align-items:center;margin-bottom:10px}
.reader-heading-clean h1{font-size:clamp(24px,3vw,38px)}
.reader-toolbar-clean{position:sticky;top:88px;z-index:85;background:rgba(243,247,252,.96);backdrop-filter:blur(10px);padding:9px;border:1px solid var(--line);border-radius:14px;box-shadow:0 8px 22px rgba(16,41,75,.08)}
.reader-icon-btn{font-size:22px;min-width:48px}
.clean-reader{margin-top:10px}
.clean-reader .page-frame{background:#dfe7f1;min-height:calc(100vh - 300px);padding:12px;overflow:auto;place-items:start center}
.clean-reader .page-frame img{width:100%;max-width:1440px;height:auto;max-height:none;object-fit:initial;background:#fff;box-shadow:0 5px 22px rgba(16,41,75,.18)}
.clean-reader .page-frame.fit-width img{width:100%;max-width:1440px}
.reader-controls-clean{position:sticky;bottom:12px;z-index:88;max-width:980px;margin:14px auto 8px;padding:10px;display:grid;grid-template-columns:minmax(145px,1fr) auto minmax(145px,1fr);gap:12px;background:rgba(255,255,255,.97);backdrop-filter:blur(12px);border:1px solid var(--line);border-radius:16px;box-shadow:0 12px 32px rgba(16,41,75,.14)}
.reader-nav-btn{width:100%;font-size:16px}
.reader-page-jump{display:flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap;color:var(--muted);font-weight:700}
.reader-page-jump input{width:72px;padding:10px;border:1px solid #b9c9df;border-radius:10px;text-align:center;font-weight:800;color:var(--navy);background:#fff}
.reader-page-jump .btn{min-height:40px;padding:8px 12px}
.reader-slider-wrap{max-width:980px;margin:0 auto 8px;padding:0 8px}
.reader-slider-wrap input{width:100%;accent-color:var(--blue)}
.reader-security-note{text-align:center;color:var(--muted);font-size:13px;margin:8px 0 0}
.clean-reader:fullscreen,.clean-reader:-webkit-full-screen{background:#111c2a;padding:8px;width:100vw;height:100vh;grid-template-columns:62px minmax(0,1fr) 62px}
.clean-reader:fullscreen .page-frame,.clean-reader:-webkit-full-screen .page-frame{height:calc(100vh - 16px);min-height:0;border-radius:10px;padding:8px;overflow:auto}
.clean-reader:fullscreen .page-frame img,.clean-reader:-webkit-full-screen .page-frame img{max-width:1600px}
body.reader-mode.reader-fullscreen .reader-controls-clean{display:none!important}

@media(max-width:900px){
  .reader-toolbar-clean{top:68px;overflow-x:auto;justify-content:flex-start;scrollbar-width:none}
  .reader-toolbar-clean::-webkit-scrollbar{display:none}
  .reader-toolbar-clean .btn{flex:0 0 auto}
  .clean-reader .page-frame{min-height:calc(100vh - 270px);padding:4px;border-radius:12px}
  .clean-reader .page-frame img,.clean-reader .page-frame.fit-width img{width:100%;max-width:none}
}

@media(max-width:680px){
  .reader-mode{padding-bottom:0}
  .reader-mode .page-shell{padding:0 6px 120px;margin-top:8px}
  .reader-heading-clean{padding:0 5px}
  .reader-heading-clean h1{font-size:24px;margin-top:6px}
  .reader-heading-clean p{font-size:13px;line-height:1.45}
  .reader-heading-clean .reader-count{position:absolute;right:10px;top:72px;margin:0;padding:8px 11px;min-width:auto;font-size:14px}
  .reader-toolbar-clean{top:0;margin:8px 0 6px;border-radius:12px;padding:6px;gap:6px}
  .reader-toolbar-clean .reader-home{display:none}
  .reader-toolbar-clean .btn{min-height:38px;padding:7px 10px;font-size:12px}
  .reader-toolbar-clean .reader-icon-btn{font-size:20px;min-width:42px}
  .clean-reader{display:block;margin:0}
  .clean-reader .reader-arrow{display:none}
  .clean-reader .page-frame{height:auto;min-height:calc(100svh - 245px);padding:2px;background:#cfd9e6;border-radius:8px;overflow:auto}
  .clean-reader .page-frame img{width:100%;box-shadow:none}
  .reader-controls-clean{position:fixed;left:6px;right:6px;bottom:8px;margin:0;padding:7px;grid-template-columns:1fr 92px 1fr;gap:6px;border-radius:14px}
  .reader-controls-clean .reader-nav-btn{font-size:13px;padding:9px 5px;min-height:44px}
  .reader-page-jump label,.reader-page-jump span,.reader-page-jump .btn{display:none}
  .reader-page-jump input{width:100%;height:44px;padding:7px;font-size:15px}
  .reader-slider-wrap{display:none}
  .reader-security-note{display:none}
  .clean-reader:fullscreen,.clean-reader:-webkit-full-screen{display:block;padding:0}
  .clean-reader:fullscreen .page-frame,.clean-reader:-webkit-full-screen .page-frame{height:100svh;border-radius:0;padding:0}
}