@import url('https://fonts.googleapis.com/css2?family=Hind+Siliguri:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--navy:#102a56;--blue:#2456d7;--blue2:#3d70f5;--ink:#18243a;--muted:#77839a;--line:#e8edf5;--bg:#f7f9fd;--white:#fff;--mint:#d9f6ed;--lav:#e8e8ff;--peach:#ffeadc;--sky:#dff1ff;--shadow:0 18px 50px rgba(24,45,85,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:'Hind Siliguri','Manrope',sans-serif;color:var(--ink);background:#fff;font-size:15px}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}.topbar{height:82px;padding:0 max(calc((100vw - 1200px)/2),5.5%);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #eef1f6;background:#ffffffec;position:sticky;top:0;z-index:20;backdrop-filter:blur(16px)}.brand{display:flex;align-items:center;gap:11px;min-width:0}.brand-mark{width:42px;height:42px;border-radius:14px;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:800;font-size:23px;box-shadow:0 7px 16px #102a562b;flex-shrink:0}.brand strong{font-size:16px;display:block;white-space:nowrap}.brand small{display:block;font:600 9px Manrope,sans-serif;letter-spacing:1.5px;color:#8a96a9;margin-top:2px}.topbar nav{display:flex;align-items:center;gap:28px;font-size:14px;color:#58657a}.topbar nav a:hover{color:var(--blue)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:15px;border:0;background:var(--blue);color:#fff;padding:13px 21px;border-radius:12px;font-weight:700;box-shadow:0 8px 18px #2456d72b;transition:.2s}.btn:hover{background:#1746c2;transform:translateY(-1px)}.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}.btn-small{padding:9px 14px;border-radius:9px;font-size:13px}.btn-ghost{background:#fff;color:var(--navy);border:1px solid #dfe6f1;box-shadow:none}.btn-full{width:100%;margin-top:8px}.menu-btn{display:none;border:1px solid var(--line);background:white;border-radius:9px;padding:8px 12px}.hero{max-width:1200px;margin:auto;min-height:570px;padding:70px 20px 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.panel-heading{margin-bottom:10px}.exam-panel{max-width:850px;margin:auto}.exam-top{display:flex;align-items:center;justify-content:space-between;gap:20px}.exam-top h2{margin:0;font-size:25px}.timer-box{padding:12px 17px;border-radius:12px;background:#fff0f0;color:#b92f3a;text-align:center;min-width:95px}.timer-box small,.timer-box b{display:block}.timer-box small{font:800 8px Manrope;letter-spacing:1px}.timer-box b{font:800 22px Manrope;margin-top:4px}.muted{color:var(--muted);font-size:12px;line-height:1.8}.question-card{padding:21px;border:1px solid #e9eef6;border-radius:14px;margin:18px 0}.question-count{font:800 9px Manrope;color:var(--blue);letter-spacing:1px}.question-card h3{font-size:17px;margin:12px 0 18px}.option-list{display:grid;grid-template-columns:1fr 1fr;gap:10px}.option{display:flex;align-items:center;gap:10px;padding:12px;border:1px solid #e6ebf4;border-radius:10px;cursor:pointer;font-size:13px}.option input{accent-color:var(--blue)}.option.selected{background:#edf2ff;border-color:#93adff}.option-letter{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;background:#f0f3f9;font:700 11px Manrope}.result-celebration{text-align:center;padding:55px 20px;background:#fff;border:1px solid #e8edf5;border-radius:18px}.result-check{display:grid;place-items:center;width:70px;height:70px;margin:0 auto 20px;background:#dff8ed;color:#17815c;border-radius:50%;font-size:35px}.result-celebration h2{font-size:26px}.result-score{font:800 50px Manrope;color:var(--blue);margin:18px}.result-score small{font-size:21px;color:#8794aa}.result-celebration p{color:var(--muted);font-size:13px}.admin-welcome{background:linear-gradient(110deg,#14213d,#263f69)}
@media(max-width:1050px){.hero{gap:25px}.stats-strip div{padding:0 20px}.feature-grid{grid-template-columns:repeat(2,1fr)}.portal-main{padding:0 22px 30px}.metric-grid{grid-template-columns:repeat(2,1fr)}.sidebar{width:220px}.portal-main{margin-left:220px;max-width:calc(100% - 220px)}.sidebar .brand strong{font-size:11px}}@media(max-width:760px){.topbar{height:70px;padding:0 18px}.topbar nav{display:none;position:absolute;top:69px;left:0;right:0;padding:20px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);align-items:stretch;gap:16px;flex-direction:column}.topbar nav.nav-open{display:flex}.menu-btn{display:block}.hero{padding:52px 22px 45px;grid-template-columns:1fr;gap:10px}.hero h1{font-size:44px}.hero-copy>p{font-size:15px}.hero-art{min-height:360px}.orb-one{width:300px;height:300px;right:8%}.study-card{width:min(340px,86%)}.tag-top{left:2%}.tag-bottom{right:0;bottom:12px}.stats-strip{display:grid;grid-template-columns:1fr 1fr;gap:18px;padding:22px}.stats-strip div{border:0;padding:0}.section{padding:60px 20px}.section-heading{display:block}.section-heading h2,.cta h2{font-size:28px}.section-heading>p{margin-top:14px}.class-grid{grid-template-columns:1fr 1fr;gap:12px}.class-card{padding:17px;min-height:195px}.class-card h3{font-size:18px}.class-card p{font-size:11px}.feature-section{padding:60px 20px}.feature-grid{gap:11px}.feature-card{padding:18px 15px}.feature-card h3{font-size:15px}.cta{margin:35px 16px;padding:30px 24px;display:block}.cta .btn{margin-top:20px}footer{padding:22px;flex-wrap:wrap}.auth-page{padding:60px 18px 25px}.auth-layout,.register-layout{display:flex;flex-direction:column;gap:20px;min-height:0}.auth-aside{padding:15px 0 0}.auth-aside .brand-mark{margin-bottom:20px}.auth-aside h1{font-size:35px}.auth-aside p{font-size:13px}.auth-note{margin-top:10px}.auth-card{width:100%;padding:25px}.register-layout .auth-card{padding:24px}.auth-card-head h2{font-size:25px}.back-home{top:20px;left:18px}.sidebar{width:250px;transform:translateX(-100%);transition:transform .25s;box-shadow:none}.sidebar.sidebar-open{transform:translateX(0);box-shadow:20px 0 50px #102a5620}.portal-main{margin-left:0;max-width:100%;padding:0 14px 25px}.portal-top{height:83px;gap:12px}.portal-top .menu-btn{flex-shrink:0}.portal-top h1{font-size:20px}.user-chip{margin-left:auto}.user-chip>span:last-child{display:none}.welcome-banner{padding:23px 20px}.welcome-banner h2{font-size:20px}.welcome-banner p{font-size:11px}.welcome-student{font-size:48px}.metric-grid{gap:10px;margin:14px 0}.metric-card{padding:15px}.metric-card b{font-size:23px}.metric-card small{margin-top:9px}.two-column{grid-template-columns:1fr;gap:0}.panel{padding:16px;margin-bottom:13px}.panel-heading h3{font-size:15px}.toolbar{flex-wrap:wrap}.toolbar select{flex:1;min-width:130px}.toolbar input{flex-basis:100%}.form-row{gap:8px}.form-row label{min-width:0}.option-list{grid-template-columns:1fr}.exam-top h2{font-size:20px}.exam-top{align-items:start}.question-card{padding:16px}.result-celebration{padding:40px 15px}.modal{padding:22px 17px}.admin-portal .user-chip{display:none}}@media(max-width:390px){.class-grid{grid-template-columns:1fr}.hero h1{font-size:39px}.feature-grid{grid-template-columns:1fr 1fr}.brand strong{font-size:13px}.form-row{grid-template-columns:1fr}}

/* Gallery, leaderboard, local image upload and language selector */
.language-control{display:flex;align-items:center;gap:7px;margin-right:15px;color:#8792a5;font-size:10px}.language-control select{border:1px solid #e0e6f0;border-radius:8px;padding:7px 9px;background:#fff;color:#34425a;font-size:11px;max-width:105px}.gallery-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.gallery-item{min-width:0;border:1px solid #edf1f7;border-radius:11px;overflow:hidden;background:#fafbff}.gallery-item img{width:100%;height:105px;display:block;object-fit:cover;transition:transform .25s}.gallery-item:hover img{transform:scale(1.04)}.gallery-item span{display:block;padding:8px;font-size:11px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.gallery-placeholder{height:105px;display:grid;place-items:center;background:#edf2ff;color:#2456d7;font-size:28px}.leaderboard-list{display:grid;gap:7px}.leaderboard-row{display:flex;align-items:center;gap:9px;padding:8px 5px;border-bottom:1px solid #f0f2f7}.leaderboard-row:last-child{border-bottom:0}.rank{width:25px;height:25px;display:grid;place-items:center;border-radius:8px;background:#eef1f7;color:#67758c;font:800 11px Manrope;flex-shrink:0}.rank-1{background:#fff0c7;color:#9a6b05}.rank-2{background:#e9edf5;color:#5b6b82}.rank-3{background:#f8e5d8;color:#a15a31}.leader-avatar{width:30px;height:30px;border-radius:10px;display:grid;place-items:center;background:#e8edff;color:#2456d7;font-weight:700;flex-shrink:0}.leader-name{flex:1;min-width:0}.leader-name b,.leader-name small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.leader-name b{font-size:11px}.leader-name small{font-size:9px;color:#8995a8;margin-top:3px}.leader-score{font:800 13px Manrope;color:#2456d7;white-space:nowrap}.leader-score small{font-size:9px}.upload-preview{display:flex;align-items:center;gap:10px;font-size:11px;color:#77839a;margin:-5px 0 14px}.upload-preview img{width:64px;height:54px;border-radius:8px;object-fit:cover;border:1px solid #e8edf5}.modal label small{display:block;font-weight:400;color:#8a95a8;font-size:10px;margin-top:4px}.modal select[multiple]{min-height:110px}.modal select[multiple] option{padding:5px}.modal input[type=file]{padding:9px;background:#f9faff}
@media(max-width:760px){.language-control{margin-left:auto;margin-right:4px;gap:4px}.language-control>span{display:none}.language-control select{max-width:85px;padding:6px}.gallery-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.gallery-item img,.gallery-placeholder{height:95px}}

/* v1.3 visual refinements */
#accountLinks{display:inline-flex;align-items:center;gap:12px}.nav-logout{border:0;background:transparent;color:#64748b;font:inherit;font-weight:700;cursor:pointer;padding:10px}.modern-study{padding-top:68px;padding-bottom:68px}.modern-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:28px}.modern-card{position:relative;min-height:220px;padding:24px;border:1px solid #e4eaf4;border-radius:22px;background:linear-gradient(145deg,#fff,#f7f9ff);box-shadow:0 12px 30px #1d37610a;overflow:hidden}.modern-card h3{font-size:19px;margin:30px 0 10px;color:#12274c}.modern-card p{color:#64748b;line-height:1.85;font-size:14px;margin:0}.modern-number{position:absolute;right:20px;top:17px;color:#b7c5df;font-size:13px;font-weight:800;letter-spacing:.1em}.modern-icon{display:grid;place-items:center;width:46px;height:46px;border-radius:15px;background:#eaf0ff;color:#315fbe;font-size:22px}.modern-featured{background:linear-gradient(145deg,#132e5d,#234d91);border-color:#234d91}.modern-featured h3,.modern-featured p{color:#fff}.modern-featured p{color:#d5e2ff}.modern-featured .modern-number{color:#9db8ec}.modern-featured .modern-icon{background:#ffffff20;color:#fff}.date-box{display:inline-flex;align-items:center;gap:6px;border:1px solid #d9e5fb;background:#f1f6ff;color:#234d91;border-radius:10px;padding:7px 10px;font-size:13px;font-weight:800;line-height:1.4;white-space:nowrap;min-height:34px}.content-card-top{gap:10px;align-items:center;flex-wrap:wrap}.exam-date-box{margin-top:8px;width:max-content}.exam-info{min-width:0;flex:1}.admin-leader-person{display:flex;align-items:center;gap:10px}.admin-leader-person img{width:42px;height:42px;object-fit:cover;border-radius:50%;border:2px solid #e2e9f6}.admin-leader-person .leader-avatar{flex-shrink:0}.leaderboard-admin-list .table-wrap{margin-top:14px}.upload-preview img{max-width:120px;max-height:120px;object-fit:cover;border-radius:12px}.upload-preview{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.leaderboard-row .leader-avatar{overflow:hidden}.leaderboard-row .leader-avatar img{width:100%;height:100%;object-fit:cover}.leader-school{display:block;color:#73809a;font-size:12px;margin-top:3px}.leaderboard-row .rank{flex-shrink:0}@media(max-width:1050px){.modern-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.modern-grid{grid-template-columns:1fr}.modern-card{min-height:175px}.modern-card h3{margin-top:20px}.date-box{font-size:12px;padding:6px 8px}.topbar nav #accountLinks{width:100%;display:flex;flex-direction:column;align-items:stretch}.topbar nav #accountLinks a,.topbar nav #accountLinks button{text-align:left}}

.admin-date-box{font-size:12px;padding:6px 9px;min-height:30px}.table-sub .admin-date-box{display:inline-flex;margin-top:4px}