body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}html,body,#root{height:100%;margin:0;padding:0}body{background-color:#1d2634;color:#9e9ea4;font-family:Montserrat,sans-serif}.icon{font-size:20px;vertical-align:middle}.grid-container{display:grid;grid-template-columns:260px 1fr;grid-template-rows:60px 1fr;grid-template-areas:"sidebar header" "sidebar main";height:100vh}.header{grid-area:header;height:60px;background-color:#1d2634;display:flex;align-items:center;padding:0 20px;box-shadow:0 6px 7px -3px #00000059;z-index:100}.menu-icon{display:none;cursor:pointer;font-size:26px;color:#fff}.main-container{grid-area:main;padding:20px;overflow-y:auto;background-color:#1d2634}@media screen and (max-width:992px){.grid-container{grid-template-columns:1fr;grid-template-areas:"header" "main"}.menu-icon{display:block}}.sidebar{grid-area:sidebar;width:260px;min-width:260px;max-width:260px;height:100vh;background-color:#263043;overflow-y:auto;box-sizing:border-box;transition:left .3s ease,width .3s ease;z-index:2000;position:relative}.sidebar-title{display:flex;justify-content:space-between;align-items:center;padding:15px 20px;font-size:20px;font-weight:700;color:#fff}.sidebar-brand{white-space:nowrap}.close_icon{cursor:pointer;font-size:22px;display:none}.sidebar-list{list-style:none;padding:0;margin:0}.sidebar-list-item{padding:12px 20px;border-radius:6px;margin:4px 10px;transition:background .2s ease}.sidebar-list-item a{display:flex;align-items:center;gap:12px;width:100%;text-decoration:none;color:#f0f0f0;font-weight:500;font-size:18px;transition:color .2s ease}.sidebar-list-item a:hover{color:#00bcd4}.sidebar-list-item:hover{background-color:#ffffff1a;cursor:pointer}.sidebar-list-item a.active,.sidebar-list-item a.active span{color:#00bcd4;font-weight:600;background-color:#00bcd433;border-radius:6px}.logout-btn{cursor:pointer;color:#f44336;display:flex;align-items:center;gap:12px;padding:12px 20px;margin:4px 10px;border-radius:6px;transition:background .2s ease}.logout-btn:hover{background-color:#f4433633}.sidebar.sidebar-collapsed{width:80px;min-width:80px;max-width:80px}.sidebar.sidebar-collapsed .sidebar-brand{display:none}.sidebar.sidebar-collapsed .sidebar-list-item a span,.sidebar.sidebar-collapsed .sidebar-list-item a:not(.icon){display:none}.sidebar.sidebar-collapsed .sidebar-list-item a{justify-content:center}@media screen and (max-width:992px){.sidebar{position:fixed;top:0;left:-260px;height:100%;width:260px;transition:left .3s ease;box-shadow:2px 0 8px #0000004d}.sidebar.sidebar-responsive{left:0}.close_icon{display:block}}.sidebar-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;z-index:1500;display:none}.sidebar.sidebar-responsive+.sidebar-overlay{display:block}:root{--background-color: #f3e5f5;--card-background: #ffffff;--button-color: #4b0082;--link-color: #e53935;--new-user-color: #5d3f6a}.login-page{display:flex;justify-content:center;align-items:center;min-height:100vh;width:100vw;background-color:var(--background-color);padding:20px;box-sizing:border-box}.login-card{width:100%;max-width:500px;background-color:var(--card-background);padding:40px;border-radius:30px;box-shadow:0 4px 15px #0000001a;text-align:center}.login-title{font-family:Brush Script MT,cursive;font-size:3em;color:#333;margin-bottom:40px}.input-group{margin-bottom:30px;position:relative}.input-group input{width:calc(100% - 20px);padding:15px 10px;border:1px solid #ddd;border-radius:8px;font-size:1.1em;outline:none;background:#f9f9f9;color:#333}.input-group input::placeholder{color:#888}.input-group input:focus{border-color:var(--button-color)}.password-group{margin-bottom:15px}.password-toggle{position:absolute;right:10px;top:50%;transform:translateY(-50%);cursor:pointer;color:#999;font-size:1.3em}.links-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px;font-size:1em;padding:0 5px}.links-row a{text-decoration:none;transition:color .3s ease}.forgot-password{color:var(--link-color)}.forgot-password:hover{color:red}.new-user{color:var(--new-user-color)}.new-user:hover{color:#7b2c9e}.login-button{width:100%;padding:15px;background-color:var(--button-color);color:#fff;border:none;border-radius:30px;font-size:1.2em;cursor:pointer;transition:background-color .3s ease,transform .2s ease;margin-top:20px;letter-spacing:.5px}.login-button:hover{background-color:#6a0dad;transform:translateY(-2px)}.login-button:active{transform:translateY(0)}.admin-dashboard{padding:40px;background:#fcf5f5;min-height:100vh;font-family:Poppins,sans-serif}.admin-title{font-size:2rem;color:#5d0a9a;margin-bottom:30px;text-align:center}.stat-card h2{font-size:2.5rem;margin:0;color:#333}.stat-card.school{border-top:5px solid #ffb703}.stat-card.teacher{border-top:5px solid #00b4d8}.stat-card.student{border-top:5px solid #06d6a0}.stat-card.total{border-top:5px solid #5d0a9a}.add-school-btn{background:#5d0a9a;color:#fff;border:none;padding:12px 25px;border-radius:8px;font-size:1rem;cursor:pointer;transition:background .3s ease}.add-school-btn:hover{background:#7d25c9}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .3s ease-in-out}.modal-content{background:#fff;padding:25px 30px;border-radius:15px;text-align:center;width:300px;box-shadow:0 5px 15px #0000004d;animation:slideUp .3s ease-in-out}.modal-content h2{margin-bottom:15px;color:#333}.modal-buttons{display:flex;flex-direction:column;gap:10px}.modal-buttons button{padding:10px 15px;border:none;border-radius:8px;background-color:#007bff;color:#fff;cursor:pointer;transition:.2s}.modal-buttons button:hover{background-color:#0056b3}.close-btn{margin-top:15px;background-color:#dc3545;color:#fff;padding:8px 12px;border-radius:8px;border:none;cursor:pointer}.close-btn:hover{background-color:#b02a37}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.school-title{font-size:1.8rem;color:#121213;margin-bottom:30px;margin-top:10px;text-align:center}.teacher-dashboard{padding:40px;background:#fcf5f5;min-height:100vh;font-family:Poppins,sans-serif}.teacher-title{font-size:2rem;color:#5d0a9a;margin-bottom:30px;text-align:center}.stat-card h2{font-size:1.8rem;margin:0;color:#333}.teacher-name{border-top:5px solid #ff7f50}.school-name{border-top:5px solid #00b4d8}.standard{border-top:5px solid #2a9d8f}.students{border-top:5px solid #e63946}.actions{text-align:center;display:flex;justify-content:center;gap:16px;flex-wrap:wrap}.add-student-btn{background:#5d0a9a;color:#fff;border:none;padding:12px 25px;border-radius:8px;font-size:1rem;cursor:pointer;transition:background .3s ease}.add-student-btn:hover{background:#7d25c9}.syllabus-btn{background:#2a9d8f;color:#fff;border:none;padding:12px 25px;border-radius:8px;font-size:1rem;cursor:pointer;transition:background .3s ease}.syllabus-btn:hover{background:#21867a}.lang-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.lang-modal{background:#fff;border-radius:16px;padding:32px 40px;display:flex;flex-direction:column;gap:12px;min-width:280px;box-shadow:0 8px 30px #0003}.lang-modal h3{text-align:center;margin:0 0 8px;color:#5d0a9a;font-size:1.2rem}.lang-modal button{padding:12px;border:none;border-radius:8px;font-size:1rem;cursor:pointer;background:#5d0a9a;color:#fff;transition:background .2s ease}.lang-modal button:hover{background:#7d25c9}.lang-modal .cancel-btn{background:#ccc;color:#333}.lang-modal .cancel-btn:hover{background:#bbb}.student-dashboard{padding:40px;background:#fcf5f5;min-height:100vh;font-family:Poppins,sans-serif}.student-title{font-size:2rem;color:#000808;margin-bottom:30px;text-align:center}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:40px}.stat-card{background:#fff;border-radius:15px;box-shadow:0 4px 10px #0000001a;text-align:center;padding:30px;transition:transform .2s ease,box-shadow .2s ease}.stat-card:hover{transform:translateY(-5px);box-shadow:0 6px 16px #00000026}.stat-card h2{font-size:2.3rem;margin:0;color:#333}.stat-card p{font-size:1rem;color:#666;margin-top:8px}.stat-card.student-name{border-top:5px solid #0a9396}.stat-card.school-name{border-top:5px solid #ee9b00}.stat-card.standard{border-top:5px solid #94d2bd}.stat-card.subjects{border-top:5px solid #bb3e03}.actions{text-align:center}.subjects,.exams{display:flex;justify-content:center;margin-bottom:25px}.get-subjects,.get-exams{background:linear-gradient(135deg,#0a9396,#94d2bd);color:#fff;border:none;padding:14px 40px;font-size:1.1rem;font-weight:500;border-radius:30px;cursor:pointer;box-shadow:0 6px 15px #0a93964d;transition:all .3s ease;min-width:220px}.get-subjects:hover,.get-exams:hover{transform:translateY(-3px);box-shadow:0 10px 25px #0a939673;background:linear-gradient(135deg,#007f83,#52b7a5)}.get-subjects:active,.get-exams:active{transform:scale(.97)}.get-exams{background:linear-gradient(135deg,#ee9b00,#ca6702);box-shadow:0 6px 15px #ee9b0059}.get-exams:hover{background:linear-gradient(135deg,#ca6702,#bb3e03);box-shadow:0 10px 25px #ca670273}.form-page{position:fixed;top:0;left:0;width:100vw;height:100vh;display:flex;justify-content:center;align-items:flex-start;background:#0006;z-index:10000;padding:30px 15px;overflow-y:auto;box-sizing:border-box}.form-container{width:100%;max-width:550px;background:#fff;padding:30px 25px;border-radius:14px;box-shadow:0 6px 20px #00000026;box-sizing:border-box}.form-container h1{text-align:center;color:#5d0a9a;font-size:1.9rem;margin-bottom:25px}.form-section-title{font-size:1.1rem;font-weight:600;color:#450978;margin-top:25px;margin-bottom:10px;border-bottom:2px solid #eee;padding-bottom:4px}.form-container input,.form-container select{display:block;width:100%;margin-bottom:14px;padding:12px;font-size:1rem;border:1px solid #ccc;border-radius:8px;outline:none;transition:all .2s ease-in-out;box-sizing:border-box}.form-container input:focus,.form-container select:focus{border-color:#5d0a9a;box-shadow:0 0 5px #5d0a9a33}.form-buttons{display:flex;gap:10px;margin-top:25px}.submit-btn,.cancel-btn{flex:1;padding:12px;font-size:1rem;font-weight:600;border:none;border-radius:8px;cursor:pointer;transition:all .2s ease}.submit-btn{background-color:#5d0a9a;color:#fff}.submit-btn:hover{background-color:#450978}.cancel-btn{background-color:#777;color:#fff}.cancel-btn:hover{background-color:#555}.address-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}@media(max-width:600px){.form-container{max-width:100%;padding:20px}.address-grid{grid-template-columns:1fr}.form-container h1{font-size:1.6rem}}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:9999}.modal-box{background:#fff;padding:30px;border-radius:12px;width:380px;box-shadow:0 8px 30px #0003}.modal-box h2{margin:0 0 20px;color:#333;font-size:1.3rem}.modal-input{display:block;width:100%;padding:12px;margin-bottom:14px;border:1px solid #ccc;border-radius:8px;font-size:1rem;outline:none;box-sizing:border-box}.modal-input:focus{border-color:#5d0a9a}.error-msg{color:red;font-size:.9rem;margin-bottom:10px}.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:10px}.modal-btn{padding:10px 20px;border:none;border-radius:8px;cursor:pointer;font-weight:600}.modal-btn.cancel{background:#e0e0e0;color:#333}.modal-btn.submit{background:#5d0a9a;color:#fff}.modal-btn.submit:hover{background:#450978}:root{--accent:#1d4ed8;--accent-2: #3b82f6;--card-bg: #ffffff;--muted: #000000;--glass: rgba(255,255,255,.6)}.profile-form-container{min-height:100vh;padding:2rem;display:flex;justify-content:center;align-items:flex-start;background:radial-gradient(circle at 10% 10%,rgba(59,130,246,.06),transparent 10%),linear-gradient(180deg,#fbfbff,#f0f6ff 60%);font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial}.profile-form-box{width:100%;max-width:980px;background:linear-gradient(180deg,#fffffff2,#fffffffa);border-radius:18px;padding:0;box-shadow:0 20px 50px #1d4ed81a,0 2px 6px #1018280a;overflow:hidden;border:1px solid rgba(29,78,216,.08)}.profile-banner{height:120px;background:linear-gradient(90deg,#1d4ed8f2,#3b82f6e0);background-size:400% 400%;animation:bannerShift 10s ease-in-out infinite;filter:contrast(1.02) saturate(1.05)}@keyframes bannerShift{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}.profile-header{display:flex;gap:18px;align-items:center;padding:1.15rem 2rem;transform:translateY(-36px);position:relative}.image-wrapper{position:relative;width:128px;height:128px;border-radius:18px;padding:6px;background:linear-gradient(180deg,#ffffffbf,#ffffff73);box-shadow:0 8px 30px #1d4ed81f;display:flex;align-items:center;justify-content:center;overflow:hidden;transition:transform .28s cubic-bezier(.2,.9,.3,1)}.image-wrapper:hover{transform:translateY(-4px)}.avatar-img{width:100%;height:100%;object-fit:cover;border-radius:12px;display:block;background:linear-gradient(180deg,#eef3ff,#fff)}.avatar-overlay{position:absolute;right:6px;bottom:6px;background:#0000008c;border:none;width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;cursor:pointer;opacity:0;transform:translateY(6px);transition:all .22s ease;outline:none;box-shadow:0 6px 18px #0003}.image-wrapper:hover .avatar-overlay,.avatar-overlay.editable{opacity:1;transform:translateY(0);background:linear-gradient(180deg,#1d4ed8f2,#3b82f6f2)}.avatar-file-input{display:none}.profile-title{flex:1;margin-left:4px}.profile-title h3{margin:0;font-size:1.2rem;color:#0f172a;font-weight:700}.muted{margin:6px 0 0;color:#fffffff2;font-weight:600;opacity:.95;transform:translateY(2px);font-size:.95rem}.profile-actions{display:flex;gap:12px;align-items:center;margin-left:auto}.secondary-btn,.cancel-btn,.submit-btn,.edit-btn{border-radius:10px;padding:10px 13px;font-weight:600;cursor:pointer;border:none;transition:transform .12s ease,box-shadow .12s ease}.plain-btn{color:var(--accent);border-radius:10px;background:#5181e9;padding:10px 14px;font-weight:600;cursor:pointer;color:#fff;border:black;transition:all .18s ease}.outline-btn{border:1.5px solid rgba(29,78,216,.35);background:#5181e9;color:#fff;padding:10px 14px;border-radius:10px;cursor:pointer;font-weight:600;transition:all .18s ease}.form-section{padding:20px 28px;border-top:1px solid rgba(15,23,42,.04)}.form-section h2{color:var(--accent);font-size:1rem;margin:0 0 12px;font-weight:700;padding:6px 10px;border-radius:8px;background:#1d4ed814}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:12px}.address-grid{grid-template-columns:repeat(3,1fr)}.field{display:flex;flex-direction:column}.field label{font-size:.78rem;color:var(--muted);margin-bottom:6px;font-weight:600}.form-input{padding:12px 14px;border-radius:12px;background:linear-gradient(180deg,#fff,#f3f6ff);border:1px solid rgba(15,23,42,.06);transition:box-shadow .18s ease,border-color .18s ease,transform .08s ease;font-size:.95rem;outline:none}.form-input:focus{border-color:var(--accent);box-shadow:0 6px 26px #1d4ed81f,0 0 0 4px #3b82f614;transform:translateY(-2px)}.form-input[readonly]{background:#f1f5f9;color:#374151;opacity:.95}@media(max-width:900px){.address-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.form-grid,.address-grid{grid-template-columns:1fr}.profile-header{flex-direction:column;gap:12px;transform:translateY(-28px);text-align:center}.profile-title{margin-left:0}}.form-buttons{display:flex;gap:12px;padding:18px 28px 28px;justify-content:flex-end;border-top:1px solid rgba(15,23,42,.04)}.cancel-btn{background:#e0e7ff;color:var(--accent);border:1px solid rgba(29,78,216,.1)}.edit-btn{background:#f0fdf4;color:#16a34a;border:1px solid rgba(22,163,74,.2)}.edit-btn:hover{background:#dcfce7}.submit-btn{background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#fff;box-shadow:0 10px 28px #1d4ed826}.secondary-btn{background:transparent;color:var(--accent);border:1px dashed rgba(29,78,216,.18)}.profile-page{padding:40px;background:#fff;min-height:100vh;font-family:Poppins,sans-serif}.toast{position:fixed;top:20px;right:20px;background:#4ade80;color:#064e3b;padding:12px 18px;border-radius:8px;font-weight:600;box-shadow:0 6px 20px #00000026;animation:fadeInOut 2s ease forwards;z-index:9999}@keyframes fadeInOut{0%{opacity:0;transform:translateY(-10px)}10%{opacity:1;transform:translateY(0)}90%{opacity:1}to{opacity:0;transform:translateY(-10px)}}.standards-container{padding:20px;text-align:center;max-width:1200px;margin:auto}.standards-container h2{font-size:24px;font-weight:600}.standards-grid{display:grid;gap:18px;margin-top:25px;grid-template-columns:repeat(auto-fill,minmax(120px,1fr))}.standard-card{cursor:pointer;background:#fff;border-radius:12px;padding:14px;box-shadow:0 2px 6px #0000001a;transition:.25s ease;display:flex;flex-direction:column;align-items:center}.standard-card:hover{transform:translateY(-4px)}.standard-card img{width:100%;max-width:100px;height:100px;object-fit:contain}.standard-card p{margin-top:8px;font-weight:600;font-size:14px}@media(max-width:768px){.standards-grid{grid-template-columns:repeat(auto-fill,minmax(100px,1fr))}}@media(max-width:480px){.standards-grid{grid-template-columns:repeat(auto-fill,minmax(90px,1fr))}.standard-card img{max-width:80px;height:80px}.standard-card p{font-size:13px}}.topics-container{max-width:700px;margin:40px auto;padding:20px;background:#fff;border-radius:12px;box-shadow:0 2px 12px #00000014}.topics-heading{text-align:center;font-size:22px;margin-bottom:24px;color:#333}.no-topics{text-align:center;color:#888;font-size:15px}.topics-list{list-style:none;padding:0;margin:0}.topic-item{display:flex;align-items:center;padding:14px 18px;margin-bottom:10px;border-radius:8px;background:#f8f9fa;cursor:pointer;transition:all .25s ease;border:1px solid #e0e0e0}.topic-item:hover{background:#e9f3ff;transform:translateY(-1px);border-color:#b8daff}.topic-icon{font-size:20px;margin-right:12px;color:#007bff}.topic-name{font-size:16px;color:#333;font-weight:500}.exam-dashboard{max-width:700px;margin:40px auto;padding:25px;background:#fff;border-radius:12px;box-shadow:0 3px 14px #0000001a}.exam-dashboard h2{text-align:center;margin-bottom:16px;color:#333}.exam-dashboard p{text-align:center;color:#555;margin-bottom:20px}.exam-form{display:flex;flex-direction:column;gap:14px;margin-bottom:20px}.exam-form label{font-weight:500}.exam-form input{padding:10px;border:1px solid #ccc;border-radius:8px;font-size:15px}.exam-list{list-style:none;padding:0;margin:15px 0}.exam-item{background:#f8f9fa;padding:12px 16px;border-radius:8px;margin-bottom:8px;display:flex;align-items:center;border:1px solid #e2e2e2}.exam-icon{margin-right:10px;color:#007bff}.generate-btn{display:block;margin:25px auto 0;background:#007bff;color:#fff;border:none;border-radius:8px;padding:12px 28px;font-size:16px;cursor:pointer;transition:.25s}.generate-btn:hover{background:#0056b3}.exam-setup{max-width:800px;margin:40px auto;padding:30px;background:#fff;border-radius:12px;box-shadow:0 3px 14px #00000014;font-family:Inter,sans-serif}.exam-setup h2{text-align:center;font-size:24px;font-weight:600;color:#222;margin-bottom:25px}.exam-setup label{font-weight:500;display:block;margin:12px 0 6px;color:#333}.exam-setup select,.exam-setup input[type=number],.exam-setup input[type=text]{width:100%;padding:10px 12px;font-size:15px;border:1px solid #d0d0d0;border-radius:8px;outline:none;transition:border-color .25s ease}.exam-setup select:focus,.exam-setup input:focus{border-color:#007bff;box-shadow:0 0 0 2px #007bff1a}.multi-select{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px;margin:10px 0 20px}.multi-select label{display:flex;align-items:center;background:#f8f9fa;border:1px solid #e2e2e2;border-radius:8px;padding:8px 12px;cursor:pointer;transition:all .2s ease}.multi-select input{margin-right:8px}.multi-select label:hover{background:#e9f3ff;border-color:#b8daff}.topic-row{display:flex;align-items:center;justify-content:space-between;background:#f8f9fa;border:1px solid #e2e2e2;padding:10px 14px;border-radius:8px;margin-bottom:8px;transition:all .2s ease}.topic-row:hover{background:#eef6ff;border-color:#b8daff}.topic-row span{flex:1;color:#333;font-weight:500}.topic-row input{width:80px;text-align:center;padding:6px 8px;border-radius:6px;border:1px solid #ccc}.next-btn{display:block;margin:30px auto 0;background:#007bff;color:#fff;border:none;border-radius:8px;padding:12px 28px;font-size:16px;cursor:pointer;font-weight:500;transition:all .25s ease}.next-btn:hover{background:#0056b3}.next-btn:disabled{background:#a7c3e0;cursor:not-allowed}h3{margin-top:25px;margin-bottom:10px;color:#222;font-size:18px}.language-options{display:flex;justify-content:center;gap:12px;margin:15px 0 25px}.lang-btn{background:#f1f3f6;border:1px solid #ccc;border-radius:8px;padding:10px 18px;font-size:15px;cursor:pointer;color:#333;transition:all .2s ease}.lang-btn:hover{background:#e7efff;border-color:#007bff}.lang-btn.active{background:#007bff;color:#fff;border-color:#007bff}.same-count-bar{display:flex;align-items:center;justify-content:flex-end;gap:10px;margin:10px 0 18px}.same-count-bar input{width:150px;padding:8px 10px;border-radius:6px;border:1px solid #ccc;font-size:14px}.same-count-bar button{background:#007bff;color:#fff;border:none;padding:8px 16px;border-radius:6px;cursor:pointer;transition:all .2s ease}.same-count-bar button:hover{background:#0056b3}.progress-card{width:100%;background:#f5f5f5;padding:12px;border-radius:10px;margin-top:10px;position:relative}.progress-row{display:flex;align-items:center}.progress-bar{flex:1;height:20px;margin-right:10px}.question-counter span{font-size:16px;color:#000}.timer-text{text-align:center;margin-top:8px;font-size:22px;font-weight:700;color:red}.question-card{width:100%;background:#fff;padding:18px;margin-top:12px;border-radius:10px;box-shadow:0 1px 3px #0000001a}.question-row{display:flex;align-items:flex-start}.question-sound-icon{width:32px;height:32px;margin-right:10px}.question-text{font-size:22px;color:#222;margin:0}.italic-bold-text{margin-top:10px;margin-left:42px;font-size:18px;font-weight:700;font-style:italic;color:#222}.action-buttons-container{display:flex;justify-content:space-between;margin-top:12px;padding:0 10px}.demo-button,.hint-button{background:#e0e0e0;border:none;padding:6px 14px;font-size:14px;color:#000;border-radius:6px;cursor:pointer;transition:.2s ease}.demo-button:hover,.hint-button:hover{background:#d0d0d0}.arithmetic-operator-card{width:100%;background:#f5f5f5;padding:20px;border-radius:12px;margin-top:15px}.arithmetic-operator-row{display:flex;justify-content:center;align-items:center}.arithmetic-image{width:160px;height:160px;object-fit:contain;margin:0 10px}.arithmetic-operator{font-size:50px;font-weight:700;color:#000;margin:0 15px}.cube-wrapper{display:flex;align-items:flex-start;margin-top:20px;margin-left:80px;font-size:34px;color:#000}.cube-parenthesis{font-size:60px;margin:0 8px}.cube-text{font-size:34px;margin:0 5px}.cube-operator{font-size:34px;margin:0 8px}.cube-power{font-size:24px;margin-left:4px;margin-top:-18px;position:relative}.cube-fraction{display:flex;flex-direction:column;align-items:center;margin:0 6px}.frac-num{font-size:28px}.frac-line{width:100%;height:2px;background:#000;margin:3px 0}.frac-den{font-size:28px}.center-equation-container{width:100%;display:flex;justify-content:center;margin:20px 0}.center-equation-text{font-size:32px;font-weight:500;color:#000;text-align:center;padding:10px}.result-section-card{width:100%;background:#fff;border-radius:12px;padding:20px;margin-top:15px}.result-row{display:flex;align-items:center;justify-content:center;margin-bottom:18px}.result-var{font-size:55px;margin-right:10px}.result-equals{font-size:70px;margin-right:15px}.result-input{width:200px;height:70px;font-size:50px;text-align:center;border:2px solid #ccc;border-radius:8px}.degree-symbol{font-size:60px;margin-left:10px}.secondary-row{margin-top:15px}.secondary-label{font-size:40px;margin-right:15px}.secondary-input{width:250px;height:100px;font-size:50px;text-align:center;border:2px solid #ccc;border-radius:8px}.nav-buttons-container{display:flex;justify-content:space-between;margin-top:20px}.nav-btn{padding:10px 18px;font-size:16px;border-radius:8px;border:none;cursor:pointer;background:#e0e0e0;transition:.2s ease;min-width:90px}.nav-btn:hover{background:#d0d0d0}.back{background:#f2f2f2}.skip{background:#e8e8e8}.next{background:#c0e8ff}.mcq-options-container{width:100%;max-width:100%;display:flex;flex-direction:column;box-sizing:border-box}.mcq-option{display:flex;align-items:center;gap:12px}.mcq-label{width:48px;height:48px;background:#1976d2;border-radius:50%;color:#fff;font-size:20px;font-weight:600;display:flex;justify-content:center;align-items:center;box-shadow:0 3px 6px #00000040;-webkit-user-select:none;user-select:none}.mcq-text{flex:1;padding:14px 16px;background:#f6f8fa;border-radius:10px;border:2px solid transparent;font-size:18px;color:#222;cursor:pointer;transition:all .25s ease}.mcq-option:hover .mcq-text{background:#eaf3ff;border-color:#1976d2}.mcq-text.selected{background:#1976d2;color:#000;border-color:#115293;font-weight:600}@media(max-width:600px){.mcq-label{width:38px;height:38px;font-size:18px}.mcq-text{font-size:16px;padding:12px}}.correct-option{background:#e3f8e6;border:2px solid #22a63b}.wrong-option{background:#ffeaea;border:2px solid #ff4b4b}.correct-icon{color:#22a63b;margin-left:8px}.wrong-icon{color:#ff4b4b;margin-left:8px}.option-image{max-height:80px;margin-top:6px}.arithmetic-operator-card{width:100%;background:#f5f5f5;padding:20px;border-radius:16px;margin-top:10px;box-shadow:0 2px 6px #0000001a}.mcq-options-container{display:flex;flex-direction:column;gap:14px}.mcq-option{display:flex;align-items:center;gap:14px;border:2px solid #e2e2e2;padding:12px;border-radius:12px;cursor:pointer;background:#fafafa;transition:.2s}.mcq-option:hover{background:#e9f2ff;border-color:#2575fc}.mcq-label{width:40px;height:40px;background:#2575fc;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700}.mcq-text{flex:1;font-size:17px;color:#222}.layout-crossfade{position:relative;min-height:200px}.layout-fade-layer{animation:fadeInOut .35s ease}@keyframes fadeInOut{0%{opacity:0;transform:translateY(6px)}40%{opacity:1;transform:translateY(0)}to{opacity:1;transform:translateY(0)}}.spinner{width:36px;height:36px;border:4px solid #e0e0e0;border-top:4px solid #333;border-radius:50%;animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.drag-source{border:2px dashed #4caf50;padding:4px 6px;border-radius:6px;background-color:#f1f8e9;transition:transform .15s ease,box-shadow .15s ease;cursor:grab}.drag-source:hover{transform:translateY(-1px);box-shadow:0 2px 6px #00000026}.drag-source:before{content:"⠿";margin-right:6px;color:#4caf50;font-weight:700}.drop-target{background:#f1f8e9}.result-scroll{width:92%;margin:auto;padding:10px 0;overflow-y:auto}.result-summary-card{background:#fff;padding:16px;border-radius:12px;margin-bottom:18px;margin-top:10px;box-shadow:0 3px 10px #00000024}.topic-name{font-size:22px;font-weight:700;margin-bottom:12px;text-align:center}.summary-line{display:flex;justify-content:space-between;padding:6px 0;font-size:17px}.correct-text b{color:#0a7a0a}.wrong-text b{color:#d90429}.summary-buttons{display:flex;gap:10px;margin-top:14px}.btn-nav,.btn-save{flex:1;padding:10px;cursor:pointer;font-size:15px;font-weight:700;border-radius:6px;border:none}.btn-nav{background:#e0e0e0}.btn-save{background:#0096ff;color:#fff}.result-item-card{background:#fff;padding:18px;margin:14px 0;border-radius:10px;box-shadow:0 3px 10px #0000001a}.question-text{font-size:18px;font-weight:600}.italic-bold{font-style:italic;font-weight:600;margin-top:6px;color:#333}.question-equation{font-weight:700;margin-top:10px;text-align:center}.question-image{width:140px;height:auto;margin:10px auto;display:block}.option-card{background:#f8f8f8;padding:10px;margin-top:10px;border-radius:8px;display:flex;align-items:center}.option-index{font-size:18px;font-weight:700;margin-right:12px}.option-text{font-size:16px}.option-image{width:100px;height:auto;margin-left:12px}.correct-option{background-color:#a0f2b0!important;border-left:6px solid #0a830a}.wrong-option{background-color:#ffb4b4!important;border-left:6px solid #d90429}.correct-answer{border-left:6px solid #4caf50;background:#4caf5014}.wrong-answer{border-left:6px solid #f44336;background:#f4433614}.answer-check{padding:12px;margin-top:10px;border-radius:8px}