@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700;800&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--navy:#101827;--navy2:#162238;--navy3:#1d2c45;--gold:#f2c653;--gold2:#ffe29a;--ink:#172033;--muted:#69778c;--line:#e4e8ef;--paper:#f5f7fb;--white:#fff;--green:#187653;--shadow:0 14px 42px rgba(17,31,53,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:'DM Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:15px;line-height:1.55}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,select{touch-action:manipulation}button{cursor:pointer}.wrap{width:min(1180px,calc(100% - 36px));margin:auto}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:flex;align-items:center;gap:11px;min-width:0}.brand img{width:48px;height:48px;object-fit:contain;border-radius:50%;background:#101827}.brand-copy{min-width:0}.brand-name{font-weight:900;letter-spacing:.35px;font-size:16px;line-height:1.2}.brand-tag{font-size:11px;color:var(--muted);margin-top:3px}.header-nav{display:flex;align-items:center;gap:4px}.header-nav a{padding:9px 12px;border-radius:10px;color:#526075;font-size:13px;font-weight:700}.header-nav a:hover,.header-nav a.active{background:#f1f4f8;color:var(--ink)}.header-actions{display:flex;align-items:center;gap:8px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid #dce2eb;background:#fff;color:var(--ink);padding:10px 15px;border-radius:11px;font-weight:800;font-size:13px;transition:.18s;white-space:nowrap}.btn:hover{transform:translateY(-1px);box-shadow:0 7px 18px #14223a12}.btn-primary{background:var(--gold);border-color:var(--gold);color:#182033}.btn-dark{background:var(--navy);border-color:var(--navy);color:white}.btn-soft{background:#f5f7fa}.btn-small{padding:8px 11px;font-size:12px}.icon-btn{width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:12px;display:grid;place-items:center;color:var(--ink);font-weight:900}.user-menu{position:relative}.user-trigger{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;border-radius:13px;padding:6px 10px 6px 6px;font-weight:800;font-size:12px}.avatar{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:var(--navy);color:var(--gold);font-weight:900;overflow:hidden}.avatar img{width:100%;height:100%;object-fit:cover}.dropdown{position:absolute;right:0;top:calc(100% + 9px);width:235px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);display:none}.dropdown.open{display:block}.dropdown .who{padding:10px;border-bottom:1px solid var(--line);margin-bottom:6px}.dropdown .who strong{display:block;font-size:13px}.dropdown .who span{font-size:11px;color:var(--muted);overflow-wrap:anywhere}.dropdown a,.dropdown button{display:block;width:100%;text-align:left;border:0;background:transparent;padding:10px;border-radius:8px;font-size:13px;font-weight:700;color:var(--ink)}.dropdown a:hover,.dropdown button:hover{background:#f4f6f9}.hero{padding:54px 0 34px;background:radial-gradient(circle at 84% 22%,#31476b 0,transparent 30%),linear-gradient(125deg,#101827,#182740 72%,#213550);color:#fff;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:35px}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:11px;letter-spacing:1.5px;text-transform:uppercase;font-weight:900;color:#9b6d00}.hero .eyebrow{color:var(--gold)}.hero h1{font-family:Manrope,sans-serif;font-size:clamp(35px,5.2vw,61px);line-height:1.05;letter-spacing:-2px;margin:15px 0 17px;max-width:700px}.hero h1 em{font-style:normal;color:var(--gold)}.hero p{max-width:620px;color:#c4cedd;font-size:16px;margin:0 0 24px}.hero-actions{display:flex;gap:10px;flex-wrap:wrap}.hero .btn:not(.btn-primary){background:#ffffff10;color:#fff;border-color:#ffffff2b}.hero-note{font-size:11px;color:#aebbd0;margin-top:15px}.hero-card{background:#ffffff0d;border:1px solid #ffffff24;border-radius:24px;padding:23px;box-shadow:0 24px 70px #0002;backdrop-filter:blur(10px)}.hero-card-top{display:flex;align-items:center;justify-content:space-between;gap:10px}.pill{display:inline-flex;align-items:center;gap:6px;border-radius:99px;padding:6px 10px;background:#f2c65320;color:var(--gold);font-size:10px;font-weight:900;letter-spacing:.5px}.hero-card h2{font-size:21px;margin:17px 0 5px}.hero-card p{font-size:12px;margin:0;color:#bdc8d8}.quick-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:19px}.quick-stat{padding:13px;background:#ffffff0a;border:1px solid #ffffff18;border-radius:13px}.quick-stat b{display:block;font-size:20px;color:#fff}.quick-stat span{font-size:11px;color:#aebbd0}.section{padding:44px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:20px}.section-head h2{font-family:Manrope,sans-serif;font-size:clamp(24px,3vw,33px);letter-spacing:-.8px;margin:6px 0}.section-head p{color:var(--muted);margin:0;max-width:620px}.text-link{font-weight:900;color:#8c6500;font-size:13px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.feature-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:21px;box-shadow:0 4px 18px #14223a05;transition:.2s;display:flex;flex-direction:column;min-height:205px}.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#e3ca7d}.feature-icon{width:47px;height:47px;border-radius:14px;display:grid;place-items:center;background:#fff5d9;font-size:22px;margin-bottom:15px}.feature-card h3{margin:0 0 7px;font-size:17px}.feature-card p{color:var(--muted);font-size:13px;margin:0 0 18px;flex:1}.card-link{display:flex;align-items:center;justify-content:space-between;font-size:12px;font-weight:900;color:#795700}.exam-strip{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px}.exam-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.exam-chip{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:13px 14px;border:1px solid var(--line);border-radius:12px;background:#fff;font-weight:800;font-size:13px}.exam-chip:hover{border-color:#d5b34d;background:#fffbef}.exam-chip span:last-child{color:#a57a08}.cta-band{background:linear-gradient(120deg,#f6d56f,#f4c44c);border-radius:21px;padding:28px 30px;display:flex;align-items:center;justify-content:space-between;gap:20px}.cta-band h2{margin:0 0 5px;font-size:23px}.cta-band p{margin:0;color:#4e4427;font-size:13px}.cta-band .btn{background:var(--navy);color:#fff;border-color:var(--navy)}.site-footer{background:#101827;color:#c5cede;padding:32px 0 22px;margin-top:20px}.footer-inner{display:flex;align-items:flex-start;justify-content:space-between;gap:25px}.footer-brand{display:flex;align-items:center;gap:10px}.footer-brand img{width:43px;height:43px;object-fit:contain;background:#fff;border-radius:50%}.footer-brand strong{color:#fff}.site-footer p{font-size:12px;color:#9ba9bf;max-width:440px}.footer-links{display:flex;flex-wrap:wrap;gap:14px;font-size:12px;font-weight:700}.copyright{border-top:1px solid #ffffff1a;margin-top:20px;padding-top:15px;color:#8998ae;font-size:11px}.page-hero{padding:35px 0 25px;background:linear-gradient(120deg,#101827,#1c2b44);color:#fff}.page-hero h1{font:800 clamp(27px,4vw,40px)/1.15 Manrope,sans-serif;letter-spacing:-1px;margin:8px 0}.page-hero p{color:#c4cedd;margin:0;max-width:700px}.crumb{font-size:11px;color:#c0cad8}.content{padding:28px 0 50px}.panel{background:#fff;border:1px solid var(--line);border-radius:17px;padding:20px;box-shadow:0 5px 20px #14223a05}.panel h2,.panel h3{margin-top:0}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.panel-head h2{font-size:19px;margin:0}.muted{color:var(--muted)}.small{font-size:12px}.field{display:flex;flex-direction:column;gap:6px;margin:12px 0}.field label{font-size:12px;font-weight:800;color:#46546a}.field input,.field select,.field textarea,input.control,select.control,textarea.control{width:100%;border:1px solid #dce2eb;background:#fff;border-radius:10px;padding:11px 12px;color:var(--ink);outline:none}.field input:focus,.field select:focus,.field textarea:focus{border-color:#caa73f;box-shadow:0 0 0 3px #f2c65325}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.metric{padding:17px;border-radius:14px;background:#f7f9fc;border:1px solid var(--line)}.metric strong{font-size:25px;display:block}.metric span{font-size:11px;color:var(--muted)}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--line);white-space:nowrap}th{font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:#68768b;background:#f8fafc}.empty{text-align:center;padding:25px;color:var(--muted);font-size:13px}.notice{padding:12px 14px;border-radius:11px;background:#fff8df;color:#71550a;font-size:12px;border:1px solid #f0df9d}.success{padding:12px 14px;border-radius:11px;background:#e9f8f0;color:#176044;font-size:12px;border:1px solid #c2ebd5}.error{padding:12px 14px;border-radius:11px;background:#fff0f0;color:#8a2929;font-size:12px;border:1px solid #f3caca}.progress{height:8px;background:#e9edf3;border-radius:99px;overflow:hidden}.progress span{display:block;height:100%;background:var(--gold);border-radius:99px;width:0;transition:width .2s}.task{display:flex;align-items:flex-start;gap:10px;padding:12px 0;border-bottom:1px solid var(--line)}.task:last-child{border-bottom:0}.task input{margin-top:4px;accent-color:#b38a17}.task.done .task-text{text-decoration:line-through;color:#8c97a8}.task-text{font-size:13px;font-weight:700;flex:1}.task small{display:block;color:var(--muted);font-weight:500}.question{font-size:25px;font-weight:900;text-align:center;padding:23px;background:#f7f9fc;border-radius:14px;margin:16px 0}.answer-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}.answer-option{padding:13px;border:1px solid var(--line);border-radius:11px;background:#fff;font-weight:800;text-align:center}.answer-option:hover{border-color:#c9a331;background:#fffbec}.answer-option.correct{background:#e8f8ef;border-color:#70c99b}.answer-option.wrong{background:#fff0f0;border-color:#e8a0a0}.modal-backdrop{position:fixed;inset:0;background:#0b1425b8;backdrop-filter:blur(5px);display:none;align-items:center;justify-content:center;padding:18px;z-index:100}.modal-backdrop.show{display:flex}.modal{width:min(440px,100%);background:#fff;border-radius:21px;padding:25px;box-shadow:0 25px 90px #0004;position:relative;max-height:90vh;overflow:auto}.modal-close{position:absolute;right:14px;top:14px;border:0;background:#f1f3f7;border-radius:9px;width:32px;height:32px;font-size:18px}.modal-logo{width:58px;height:58px;object-fit:contain;background:#101827;border-radius:50%;display:block;margin:0 auto 12px}.modal h2{text-align:center;margin:0 0 5px;font-size:23px}.modal .intro{text-align:center;color:var(--muted);font-size:12px;margin:0 0 18px}.modal-tabs{display:grid;grid-template-columns:1fr 1fr;gap:5px;background:#f1f4f8;padding:4px;border-radius:11px;margin-bottom:14px}.modal-tabs button{border:0;background:transparent;padding:9px;border-radius:8px;font-weight:800;color:#66758a}.modal-tabs button.active{background:#fff;color:var(--ink);box-shadow:0 2px 6px #14223a10}.google-btn{width:100%;background:#fff;border:1px solid #dce2eb;padding:11px;border-radius:10px;font-weight:800;display:flex;justify-content:center;align-items:center;gap:10px}.google-g{font-size:18px;font-weight:900;color:#4285f4}.or{display:flex;align-items:center;gap:10px;color:#9aa4b3;font-size:11px;margin:13px 0}.or:before,.or:after{content:'';height:1px;background:var(--line);flex:1}.checkbox-row{display:flex;align-items:flex-start;gap:8px;font-size:12px;color:#59677c;margin:12px 0}.checkbox-row input{margin-top:4px;accent-color:#b38a17}.mobile-menu{display:none}.hidden{display:none!important}
@media(max-width:900px){.header-nav{display:none}.hero-grid{grid-template-columns:1fr}.hero-card{max-width:560px}.feature-grid{grid-template-columns:repeat(2,1fr)}.exam-grid{grid-template-columns:repeat(2,1fr)}.header-inner{height:68px}.mobile-menu{display:grid}.header-actions .desktop-login{display:none}.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.wrap{width:min(100% - 24px,1180px)}.brand img{width:41px;height:41px}.brand-name{font-size:13px}.brand-tag{font-size:10px}.header-inner{gap:8px}.header-actions{gap:5px}.header-actions .btn{padding:9px 10px;font-size:11px}.hero{padding:37px 0 27px}.hero h1{letter-spacing:-1.1px}.hero p{font-size:14px}.hero-card{padding:17px}.section{padding:32px 0}.section-head{align-items:flex-start;flex-direction:column;gap:9px}.feature-grid,.exam-grid,.grid-2,.grid-3{grid-template-columns:1fr}.feature-card{min-height:unset;padding:17px}.cta-band{padding:22px;align-items:flex-start;flex-direction:column}.footer-inner{flex-direction:column}.page-hero{padding:28px 0 22px}.content{padding:19px 0 35px}.panel{padding:15px}.metric strong{font-size:22px}.answer-grid{grid-template-columns:1fr 1fr}.question{font-size:21px}.user-trigger .user-label{display:none}}

/* Pro analysis and study-plan modules */
.tabs{display:flex;gap:7px;flex-wrap:wrap;margin:0 0 16px}.tab-btn{border:1px solid var(--line);background:#fff;padding:10px 13px;border-radius:10px;font-size:12px;font-weight:900;color:#607086}.tab-btn.active{background:var(--navy);border-color:var(--navy);color:#fff}.tab-pane{display:none}.tab-pane.active{display:block}.subject-card{border:1px solid var(--line);background:#fff;border-radius:14px;padding:15px}.subject-card h3{margin:0 0 10px;font-size:15px}.subject-fields{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.subject-fields label{font-size:10px;font-weight:800;color:#65738a;display:block;margin-bottom:4px}.subject-fields input,.subject-fields select{width:100%;min-width:0;border:1px solid var(--line);border-radius:8px;padding:9px 7px;font-size:12px}.subj-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.insight-card{border:1px solid #e9d99d;background:linear-gradient(120deg,#fffdf5,#fff8e2);border-radius:14px;padding:15px}.insight-card strong{display:block;margin-bottom:6px}.insight-card p{margin:0;color:#675a34;font-size:12px}.tag{display:inline-flex;padding:4px 8px;border-radius:99px;font-size:10px;font-weight:900;background:#edf1f6;color:#59687c}.tag.red{background:#fff0f0;color:#9d3030}.tag.green{background:#e9f8ef;color:#18704d}.tag.gold{background:#fff4d3;color:#8a6500}.log-form-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.chart{width:100%;height:190px;display:block;background:#fbfcfe;border:1px solid var(--line);border-radius:12px}.plan-days{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:7px}.day-chip{border:1px solid var(--line);border-radius:10px;padding:9px 5px;text-align:center;background:#fff;font-size:11px;font-weight:800}.day-chip small{display:block;font-size:9px;color:var(--muted);font-weight:600}.day-chip.active{background:#fff5d8;border-color:#e0bd4b}.day-chip.complete{background:#eaf8f0;border-color:#bde5ce}.day-detail{border:1px solid var(--line);border-radius:14px;padding:17px}.task-line{display:flex;gap:10px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--line)}.task-line:last-child{border-bottom:0}.task-line input{margin-top:4px;accent-color:#b38a17}.task-line label{flex:1;font-size:13px;font-weight:800}.task-line small{display:block;font-size:11px;color:var(--muted);font-weight:500}.streak-badge{background:var(--navy);color:#fff;padding:10px 12px;border-radius:12px;font-size:12px;font-weight:800}.filter-row{display:flex;gap:8px;flex-wrap:wrap}.filter-row select,.filter-row input{border:1px solid var(--line);border-radius:9px;padding:9px 10px;background:#fff;min-width:130px}.log-item{padding:14px;border:1px solid var(--line);border-radius:12px;margin:9px 0;background:#fff}.log-item p{font-size:12px;color:#5c6b80;margin:7px 0}.log-item .log-top{display:flex;align-items:center;justify-content:space-between;gap:8px}.metric small{display:block;font-size:10px;color:var(--muted);margin-top:4px}
@media(max-width:700px){.subject-fields{grid-template-columns:repeat(2,minmax(0,1fr))}.subj-grid{grid-template-columns:1fr}.log-form-grid{grid-template-columns:1fr}.plan-days{grid-template-columns:repeat(5,minmax(0,1fr))}.tabs{overflow:auto;flex-wrap:nowrap}.tab-btn{white-space:nowrap}.filter-row select,.filter-row input{flex:1;min-width:100px}}

/* Global preferences: bilingual switch, theme and mobile-first polish */
.site-preferences{display:flex;align-items:center;gap:6px;flex-shrink:0}.preference-btn{border:1px solid var(--line,#dce1e8);background:var(--surface,#fff);color:var(--ink,#172033);border-radius:999px;padding:8px 11px;font:600 12px/1.1 inherit;cursor:pointer;white-space:nowrap}.preference-btn:hover{border-color:#d7a82e}.theme-toggle{display:flex;align-items:center;gap:6px}.auth-methods{display:flex;gap:8px;margin:14px 0 4px}.auth-method{flex:1;border:1px solid #dfe3e9;background:#f8fafc;border-radius:10px;padding:10px;font-weight:700;cursor:pointer;color:#263247}.auth-method.active{background:#fff2c8;border-color:#e4bd4e;color:#5f4700}.phone-otp-form[hidden],#authForm[hidden],#otpField[hidden],#verifyOtp[hidden]{display:none!important}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #e3b938;outline-offset:2px}html{scroll-behavior:smooth}body{transition:background-color .2s,color .2s}html[data-theme="dark"]{color-scheme:dark;--ink:#f1f5fb;--muted:#a8b2c3;--surface:#151e2c;--surface-2:#1b2636;--line:#303d50;--bg:#0c121c;--gold:#f2c653}html[data-theme="dark"] body{background:#0c121c;color:#f1f5fb}html[data-theme="dark"] .site-header,html[data-theme="dark"] .site-footer{background:#101927;color:#f1f5fb;border-color:#263246}html[data-theme="dark"] .panel,html[data-theme="dark"] .feature-card,html[data-theme="dark"] .hero-card,html[data-theme="dark"] .exam-strip,html[data-theme="dark"] .modal,html[data-theme="dark"] .metric,html[data-theme="dark"] .question{background:#151e2c;color:#f1f5fb;border-color:#303d50}html[data-theme="dark"] p,html[data-theme="dark"] .muted,html[data-theme="dark"] .small,html[data-theme="dark"] label{color:#aeb9ca}html[data-theme="dark"] input,html[data-theme="dark"] select,html[data-theme="dark"] textarea{background:#0e1622;color:#f1f5fb;border-color:#354257}html[data-theme="dark"] .header-nav a,html[data-theme="dark"] .brand-name,html[data-theme="dark"] .brand-tag,html[data-theme="dark"] h1,html[data-theme="dark"] h2,html[data-theme="dark"] h3{color:#f1f5fb}html[data-theme="dark"] .preference-btn{background:#172233;color:#f1f5fb;border-color:#354257}html[data-theme="dark"] .auth-method{background:#1b2636;color:#f1f5fb;border-color:#354257}html[data-theme="dark"] .auth-method.active{background:#443716;border-color:#d4a92d;color:#ffe7a0}html[data-theme="dark"] .notice{background:#1b2939;border-color:#344359;color:#dbe6f5}html[data-theme="dark"] .exam-chip,html[data-theme="dark"] .btn:not(.btn-primary):not(.btn-dark){background:#1b2636;color:#f1f5fb;border-color:#354257}html[data-theme="dark"] .modal-backdrop{background:rgba(0,0,0,.72)}@media(max-width:1050px){.header-inner{flex-wrap:wrap;gap:10px}.site-preferences{margin-left:auto}.header-actions{margin-left:auto}.header-nav{order:3;width:100%;overflow-x:auto;white-space:nowrap;padding-bottom:3px}.header-nav a{flex-shrink:0}}@media(max-width:600px){.site-preferences{order:2;margin-left:auto}.preference-btn{padding:7px 9px}.theme-label{display:none}.header-actions{order:3}.header-nav{order:4}.header-actions>.btn{padding:9px 10px;font-size:12px}.brand img{width:42px;height:42px}.brand-tag{font-size:10px}.modal{max-height:90vh;overflow:auto}.site-header{position:sticky;top:0;z-index:20}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}