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ease-out}.student-home-icon{width:72px;height:72px;margin:0 auto 14px;border-radius:18px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:32px;background:linear-gradient(135deg,#4361ee,#7b2ff7);box-shadow:0 12px 28px #4361ee59}.student-home-title{margin:0 0 8px;text-align:center;font-size:28px;line-height:1.1;letter-spacing:-.7px;color:#1a1a2e}.student-home-subtitle{margin:0 0 18px;text-align:center;color:#6f7487;font-size:15px;line-height:1.45}.student-home-input-wrap{display:grid;gap:10px}.student-home-input{width:100%;min-height:46px;border:2px solid #e5e7f0;border-radius:14px;padding:0 14px;font-size:16px;color:#222;background:#fff;transition:border-color .2s ease,box-shadow .2s ease}.student-home-input:focus{outline:none;border-color:#4361ee;box-shadow:0 0 0 3px #4361ee1f}.student-home-btn{width:100%;min-height:48px!important;border-radius:14px!important;font-size:16px!important;font-weight:700!important}.student-home-hint{margin-top:12px;text-align:center;color:#8b90a3;font-size:13px}.student-home-logo{text-align:center;margin-bottom:14px}.student-home-logo img{height:26px;width:auto;opacity:.6;display:inline-block;pointer-events:none;-webkit-user-select:none;user-select:none}.student-theme-dark .student-home-logo img{opacity:.35;filter:brightness(4) saturate(0)}.student-home-account-section{margin-top:18px}.student-home-section-divider{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#b0b5c4;font-size:11px;font-weight:600;letter-spacing:.8px;text-transform:uppercase}.student-home-section-divider:before,.student-home-section-divider:after{content:"";flex:1;height:1px;background:#e8eaf0}.student-theme-dark .student-home-section-divider{color:#555a6e}.student-theme-dark .student-home-section-divider:before,.student-theme-dark .student-home-section-divider:after{background:#ffffff14}.student-home-auth-btns{display:grid;grid-template-columns:1fr 1fr;gap:8px}.student-home-auth-btn{border-radius:12px!important;font-size:14px!important;font-weight:600!important;height:40px!important;border-color:#d0d5e8!important;color:#4361ee!important}.student-home-auth-btn:hover{border-color:#4361ee!important;background:#4361ee0f!important}.student-theme-dark .student-home-auth-btn{border-color:#ffffff26!important;color:#7b8fff!important;background:#ffffff0a!important}.student-theme-dark .student-home-auth-btn:hover{border-color:#7b8fff!important;background:#7b8fff1f!important}.student-home-user-greeting{display:flex;align-items:center;gap:7px;font-size:14px;font-weight:600;color:#3a3f5c;margin-bottom:12px;padding:8px 12px;background:#4361ee0f;border-radius:12px}.student-home-user-greeting .anticon{color:#4361ee;font-size:15px}.student-theme-dark .student-home-user-greeting{color:#d0d4f0;background:#4361ee1f}.student-theme-dark .student-home-user-greeting .anticon{color:#7b8fff}.student-home-nav-btns{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:10px}.student-home-nav-btn{border-radius:12px!important;font-size:14px!important;font-weight:600!important;height:40px!important;border-color:#d0d5e8!important;color:#4361ee!important}.student-home-nav-btn:hover{border-color:#4361ee!important;background:#4361ee0f!important}.student-home-nav-btn--trophy{color:#faad14!important}.student-home-nav-btn--trophy:hover{border-color:#faad14!important;background:#faad1414!important}.student-theme-dark .student-home-nav-btn{border-color:#ffffff26!important;color:#7b8fff!important;background:#ffffff0a!important}.student-theme-dark .student-home-nav-btn:hover{border-color:#7b8fff!important;background:#7b8fff1f!important}.student-theme-dark .student-home-nav-btn--trophy{color:#f9a826!important}.student-theme-dark .student-home-nav-btn--trophy:hover{border-color:#f9a826!important;background:#f9a8261f!important}.student-home-logout-btn{background:none;border:none;cursor:pointer;font-size:12px;color:#adb2c4;display:flex;align-items:center;gap:5px;margin:0 auto;padding:4px 8px;border-radius:8px;transition:color .2s ease,background .2s ease}.student-home-logout-btn:hover{color:#4361ee;background:#4361ee0f}.student-theme-dark .student-home-logout-btn{color:#555a6e}.student-theme-dark .student-home-logout-btn:hover{color:#7b8fff;background:#7b8fff1a}.student-app .ant-btn-primary{background:linear-gradient(135deg,#4361ee,#3a0ca3);border:none;box-shadow:0 4px 14px #4361ee59;transition:all .3s ease}.student-app .ant-btn-primary:hover{background:linear-gradient(135deg,#3a54d4,#2f0a8a);box-shadow:0 6px 20px #4361ee73;transform:translateY(-1px)}.student-app .ant-input{border:2px solid #e8e8e8;transition:all .3s ease}.student-app .ant-input:focus,.student-app .ant-input-focused{border-color:#4361ee;box-shadow:0 0 0 3px #4361ee1a}.student-auth{padding:60px 16px 40px;max-width:420px;margin:0 auto;position:relative;z-index:1;animation:studentFadeInUp .6s ease-out}.student-auth-header{text-align:center;margin-bottom:32px}.student-auth-icon{width:72px;height:72px;border-radius:20px;background:linear-gradient(135deg,#4361ee,#7b2ff7);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;box-shadow:0 8px 24px #4361ee4d;animation:studentFloat 3s ease-in-out infinite}.student-auth-icon .anticon{font-size:32px;color:#fff}.student-auth-title{font-size:24px!important;font-weight:800!important;color:#1a1a2e!important;margin-bottom:6px!important;letter-spacing:-.5px}.student-auth-subtitle{color:#8c8c8c;font-size:15px}.student-auth-card{border-radius:20px!important;border:1px solid rgba(0,0,0,.06)!important;box-shadow:0 8px 32px #00000014!important;overflow:hidden}.student-auth-card .ant-card-body{padding:28px 24px!important}.student-auth-card .ant-tabs-nav{margin-bottom:24px!important}.student-auth-card .ant-form-item-label>label{font-weight:600;color:#333}.student-auth-footer{text-align:center;margin-top:16px;padding:12px;background:#4361ee0a;border-radius:12px}.student-entry{padding:80px 16px 40px;text-align:center;position:relative;z-index:1;animation:studentFadeInUp .6s ease-out}.student-entry-hero{margin-bottom:40px}.student-entry-badge{width:88px;height:88px;border-radius:24px;background:linear-gradient(135deg,#4361ee,#7b2ff7);display:flex;align-items:center;justify-content:center;margin:0 auto 24px;box-shadow:0 12px 32px #4361ee4d;animation:studentFloat 3s ease-in-out infinite}.student-entry-badge .anticon{font-size:40px;color:#fff}.student-entry-title{font-size:26px!important;font-weight:800!important;color:#1a1a2e!important;margin-bottom:8px!important;letter-spacing:-.5px}.student-entry-work-title{font-size:16px;color:#8c8c8c;margin-bottom:20px;display:block}.student-entry-student{display:inline-flex;align-items:center;gap:10px;padding:12px 24px;background:#fff;border-radius:16px;border:1px solid #f0f0f0;box-shadow:0 2px 12px #0000000f}.student-entry-student-icon{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#4361ee20,#7b2ff720);display:flex;align-items:center;justify-content:center}.student-entry-student-icon .anticon{font-size:18px;color:#4361ee}.student-entry-student-name{font-size:18px;font-weight:700;color:#1a1a2e}.student-entry-start-btn{margin-top:40px}.student-entry-start-btn .ant-btn{height:56px!important;font-size:18px!important;font-weight:700!important;border-radius:16px!important;background:linear-gradient(135deg,#4361ee,#3a0ca3)!important;border:none!important;box-shadow:0 8px 24px #4361ee59!important;transition:all .3s ease!important}.student-entry-start-btn .ant-btn:hover{box-shadow:0 12px 32px #4361ee73!important;transform:translateY(-2px)!important}.student-test{padding-top:16px;position:relative;z-index:1;animation:studentFadeInUp .5s ease-out}.student-test-header{text-align:center;margin-bottom:20px;padding:16px;background:#fff;border-radius:16px;border:1px solid #f0f0f0;box-shadow:0 2px 8px #0000000a}.student-test-variant-title{font-size:20px!important;font-weight:800!important;color:#1a1a2e!important;margin-bottom:4px!important}.student-test-title{display:block;font-size:15px;font-weight:600;color:#4f5b7a;margin-bottom:2px}.student-test-meta{color:#8c8c8c;font-size:14px}.student-test-progress{margin-bottom:16px;padding:0 4px}.student-test-progress-bar{height:6px;background:#f0f0f0;border-radius:3px;overflow:hidden}.student-test-progress-fill{height:100%;background:linear-gradient(90deg,#4361ee,#7b2ff7);border-radius:3px;transition:width .4s ease}.student-test-progress-text{display:flex;justify-content:space-between;margin-top:6px;font-size:12px;color:#8c8c8c;font-weight:500}.student-app .task-item{background:#fff;border-radius:16px;padding:20px;margin-bottom:14px;box-shadow:0 2px 12px #0000000d;border:1px solid #f0f0f0;transition:all .3s ease;animation:studentFadeInUp .5s ease-out both}.student-app .task-item:hover{box-shadow:0 4px 16px #00000014}.student-app .task-number{font-weight:800;font-size:14px;color:#4361ee;margin-bottom:10px;display:inline-flex;align-items:center;gap:6px;padding:4px 12px;background:#4361ee14;border-radius:8px}.student-app .task-statement{margin-bottom:14px;line-height:1.7;font-size:16px;color:#333}.student-app .task-statement 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0;position:relative;z-index:1}.student-result-header{text-align:center;margin-bottom:8px;animation:studentSlideDown .5s ease-out}.student-result-title{font-size:22px!important;font-weight:800!important;color:#1a1a2e!important;margin-bottom:4px!important}.student-result-test-title{display:block;font-size:15px;font-weight:600;color:#4f5b7a;margin-bottom:2px}.student-result-meta{color:#8c8c8c;font-size:14px}.student-result-score-card{text-align:center;padding:32px 24px;margin:20px 0 24px;background:#fff;border-radius:20px;box-shadow:0 4px 20px #0000000f;border:1px solid #f0f0f0;animation:studentBounceIn .6s ease-out}.student-result-score-value{font-size:56px;font-weight:900;line-height:1;letter-spacing:-2px;animation:studentScoreReveal .8s ease-out .2s 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.correct-badge{color:#52c41a;font-weight:700;background:#52c41a14;padding:2px 8px;border-radius:6px}.student-app .wrong-badge{color:#ff4d4f;font-weight:700;background:#ff4d4f14;padding:2px 8px;border-radius:6px;text-decoration:line-through}.student-app .result-score{display:none}.achievement-section,.unlocked-section{margin:28px 0;padding:28px;border-radius:20px;border:1px solid rgba(0,0,0,.06);position:relative;overflow:hidden}.achievement-section{background:linear-gradient(135deg,#fff9fc,#fff5f7);border-color:#f5576c26}.unlocked-section{background:linear-gradient(135deg,#f8f9ff,#f0f2ff);border-color:#667eea26}.achievement-reveal{animation:sectionReveal .6s cubic-bezier(.34,1.56,.64,1) forwards;opacity:0;transform:translateY(20px)}@keyframes sectionReveal{to{opacity:1;transform:translateY(0)}}.achievement-header{text-align:center;margin-bottom:24px}.achievement-section-title{font-weight:800!important;font-size:24px!important;background:linear-gradient(135deg,#4361ee,#7b2ff7);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin:0!important;letter-spacing:-.5px}.unlocked-achievements-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;justify-items:center}.achievement-badge{position:relative;display:inline-flex;flex-direction:column;align-items:center;padding:24px;border-radius:20px;background:#fff;box-shadow:0 4px 20px #0000000f;transition:all .3s cubic-bezier(.34,1.56,.64,1);overflow:visible;opacity:0;transform:translateY(-100px) scale(.3) rotate(-10deg)}.achievement-badge.visible{animation:badgeDrop .8s cubic-bezier(.34,1.56,.64,1) forwards}@keyframes badgeDrop{0%{opacity:0;transform:translateY(-100px) scale(.3) rotate(-10deg)}60%{opacity:1;transform:translateY(10px) scale(1.05) rotate(2deg)}80%{transform:translateY(-5px) scale(.98) rotate(-1deg)}to{opacity:1;transform:translateY(0) scale(1) rotate(0)}}.achievement-badge:hover{transform:translateY(-8px) scale(1.05);box-shadow:0 12px 40px #0000001f}.achievement-badge-small{padding:16px;min-width:140px}.achievement-badge-medium{padding:20px;min-width:200px}.achievement-badge-large{padding:32px;min-width:280px}.achievement-glow{position:absolute;top:50%;left:50%;width:100%;height:100%;transform:translate(-50%,-50%);border-radius:20px;opacity:0;transition:opacity .3s;pointer-events:none;z-index:-1}.achievement-badge.visible .achievement-glow{animation:glowPulse 2s ease-in-out infinite}@keyframes glowPulse{0%,to{opacity:.3;transform:translate(-50%,-50%) scale(1)}50%{opacity:.6;transform:translate(-50%,-50%) scale(1.1)}}.achievement-badge.common .achievement-glow{background:radial-gradient(circle,rgba(82,196,26,.4) 0%,transparent 70%);box-shadow:0 0 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#52c41a4d}.rarity-rare{background:linear-gradient(135deg,#4361ee,#7b2ff7);color:#fff;box-shadow:0 2px 8px #4361ee66}.rarity-legendary{background:linear-gradient(135deg,#f093fb,#f5576c);color:#fff;box-shadow:0 2px 8px #f093fb66;animation:rarityShine 2s ease-in-out infinite}@keyframes rarityShine{0%,to{filter:brightness(1)}50%{filter:brightness(1.15)}}.achievement-badge.locked{opacity:.5;filter:grayscale(.8);cursor:not-allowed}.achievement-badge.locked:hover{transform:none;box-shadow:0 4px 20px #0000000f}.achievement-lock-overlay{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:10;color:#999;background:transparent}.achievement-locked-text{display:block;font-size:12px!important;margin-top:8px;color:#999}.confetti-container{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:100;overflow:visible}.confetti-piece{position:absolute;width:10px;height:10px;top:-20px;opacity:1;animation:confettiFall 1.5s ease-out forwards}@keyframes 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