:root{--navy:#06133f;--navy2:#0b1e65;--blue:#0757ff;--purple:#7c2cff;--text:#08133f;--muted:#59668e;--line:#dce3f3;--soft:#f5f7ff;--green:#159766;--shadow:0 24px 70px rgba(12,33,86,.12);--font:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:var(--font);color:var(--text);background:#fff}body{min-height:100vh}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}button,input,select{font:inherit}.auth-shell{min-height:100vh;position:relative;overflow:hidden}.auth-logo{display:block;width:min(360px,58vw);height:auto}.auth-language{display:flex;align-items:center;gap:10px}.auth-language button{border:0;background:transparent;color:#7781a2;font-weight:700;padding:8px 4px;cursor:pointer}.auth-language button.active{color:#0057ff}.auth-language .sep{color:#c8cfe0}.auth-title{font-size:clamp(40px,4.1vw,66px);line-height:1.04;letter-spacing:-.045em;margin:24px 0 18px;color:#07113d}.auth-lead{font-size:clamp(18px,1.5vw,24px);line-height:1.55;color:#4e5d88;max-width:640px;margin:0 0 36px}.auth-form{display:grid;gap:19px}.auth-field label{display:block;font-weight:700;font-size:16px;margin:0 0 9px;color:#09143f}.input-wrap{position:relative}.input-wrap input,.auth-select{width:100%;height:62px;border:1.5px solid #cfd8ec;border-radius:11px;background:rgba(255,255,255,.95);color:#111b47;padding:0 54px 0 54px;outline:none;transition:border .2s,box-shadow .2s}.auth-select{padding-left:52px;appearance:none}.input-wrap input:focus,.auth-select:focus{border-color:#3c6cff;box-shadow:0 0 0 4px rgba(52,96,255,.10)}.input-wrap svg,.select-icon{position:absolute;left:18px;top:50%;width:22px;height:22px;transform:translateY(-50%);fill:none;stroke:#66749b;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;pointer-events:none}.select-chevron{position:absolute;right:18px;left:auto}.toggle-password{position:absolute;right:14px;top:50%;transform:translateY(-50%);border:0;background:transparent;color:#1258ff;font-weight:700;display:flex;align-items:center;gap:7px;cursor:pointer}.toggle-password svg{position:static;transform:none;width:20px;height:20px;stroke:#1258ff}.auth-row{display:flex;align-items:center;justify-content:space-between;gap:18px}.auth-check{display:flex;align-items:flex-start;gap:11px;color:#5a668c;font-size:15px;line-height:1.5}.auth-check input{width:21px;height:21px;accent-color:#0c5cff;margin:1px 0 0}.auth-btn{height:62px;border:0;border-radius:10px;background:linear-gradient(100deg,#0757ff 0%,#1748f5 48%,#7c2cff 100%);color:#fff;font-size:19px;font-weight:800;cursor:pointer;box-shadow:0 12px 28px rgba(46,69,244,.20);transition:transform .18s,box-shadow .18s}.auth-btn:hover{transform:translateY(-1px);box-shadow:0 16px 32px rgba(46,69,244,.26)}.auth-btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}.auth-switch{text-align:center;color:#59668e;font-size:16px;margin-top:22px}.auth-switch a{font-weight:800}.auth-status{display:none;padding:12px 14px;border-radius:10px;font-size:14px;line-height:1.45}.auth-status.show{display:block}.auth-status.error{background:#fff0f1;color:#a42d39;border:1px solid #ffd0d4}.auth-status.info{background:#f0f5ff;color:#23498b;border:1px solid #cfddff}.auth-feature-icon,.reg-bullet-icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(145deg,#eff4ff,#f4edff);color:#1454ff}.auth-feature-icon svg,.reg-bullet-icon svg{width:25px;height:25px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.auth-footer{font-size:13px;color:#7b86a7;display:flex;gap:18px;justify-content:center;align-items:center;flex-wrap:wrap}.auth-footer svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.8}.login-shell{background:#fff}.login-bg{position:absolute;inset:0;background:url('/assets/images/auth-login-student-fhd.png') center/cover no-repeat}.login-bg:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#fff 0%,#fff 34%,rgba(255,255,255,.96) 41%,rgba(255,255,255,.54) 54%,rgba(255,255,255,.10) 72%,rgba(255,255,255,0) 100%)}.login-main{position:relative;z-index:2;width:min(1820px,calc(100% - 80px));margin:0 auto;min-height:100vh;display:grid;grid-template-rows:auto 1fr auto;padding:54px 0 28px}.login-top{display:flex;align-items:flex-start;justify-content:space-between;max-width:820px}.login-top .auth-language{margin-top:18px}.login-content{display:flex;align-items:center}.login-card{width:min(680px,48vw);padding:30px 10px 24px}.login-card .auth-form{max-width:620px}.support-mini{margin-top:38px;padding-top:30px;border-top:1px solid #dce3f0;display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;max-width:620px}.support-mini strong{display:block;font-size:17px;margin-bottom:5px}.support-mini p{margin:0;color:#687396;line-height:1.45;font-size:14px}.support-hours{font-size:13px;color:#6f7a9d;margin-top:18px}.login-bottom{position:relative;z-index:2;display:grid;grid-template-columns:minmax(480px,620px) 1fr;gap:80px;align-items:end}.trust-features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:790px;justify-self:end}.trust-feature{background:rgba(255,255,255,.92);border:1px solid rgba(210,219,239,.92);border-radius:18px;padding:16px 16px 17px;box-shadow:0 10px 28px rgba(28,44,96,.10);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);min-height:166px}.trust-feature strong{display:block;margin:10px 0 6px;color:#07113d;font-size:17px;line-height:1.18}.trust-feature p{margin:0;color:#39466f;line-height:1.5;font-size:13.5px;font-weight:500}.login-footer-line{grid-column:1/-1;border-top:1px solid #e0e5ef;margin-top:20px;padding-top:17px}
.register-shell{min-height:100vh;background:#f6f8ff;display:grid;grid-template-columns:minmax(430px,44%) 1fr}.register-visual{position:relative;min-height:100vh;background:url('/assets/images/auth-register-fhd.png') center/cover no-repeat;color:#fff;overflow:hidden}.register-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(2,10,52,.82) 0%,rgba(3,18,84,.68) 50%,rgba(15,67,188,.32) 100%)}.register-visual-inner{position:relative;z-index:1;padding:66px clamp(44px,5vw,90px);height:100%;display:flex;flex-direction:column}.reg-brand{display:flex;align-items:center;gap:16px}.reg-brand img{width:88px;height:88px;object-fit:contain}.reg-brand-name{font-size:clamp(34px,3.4vw,58px);font-weight:850;letter-spacing:-.045em}.reg-brand-name .twentyone{background:linear-gradient(90deg,#30c6ff,#2757ff 48%,#a22cff);-webkit-background-clip:text;background-clip:text;color:transparent}.reg-tagline{font-size:16px;color:#c5d2ff;margin-top:-4px}.reg-copy{margin-top:56px;max-width:600px}.reg-pill{display:inline-block;padding:8px 16px;border-radius:999px;background:rgba(60,111,255,.24);border:1px solid rgba(255,255,255,.16);font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.reg-copy h1{font-size:clamp(42px,4.3vw,66px);letter-spacing:-.045em;line-height:1.02;margin:25px 0 14px}.reg-copy>p{font-size:18px;line-height:1.55;color:#e5ebff;max-width:560px;margin:0 0 32px}.reg-benefits{display:grid;gap:22px}.reg-benefit{display:grid;grid-template-columns:auto 1fr;gap:15px;align-items:start}.reg-bullet-icon{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.12)}.reg-benefit strong{display:block;font-size:17px;margin-bottom:4px}.reg-benefit p{margin:0;color:#d8e2ff;line-height:1.5;font-size:14px}.register-form-side{display:flex;align-items:center;justify-content:center;padding:42px clamp(30px,5vw,84px);background:linear-gradient(135deg,#fff 0%,#f8faff 100%)}.register-card{width:min(820px,100%);background:rgba(255,255,255,.97);border:1px solid #e1e7f2;border-radius:26px;padding:42px 52px;box-shadow:var(--shadow)}.register-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}.register-head h1{font-size:42px;line-height:1.05;letter-spacing:-.04em;margin:0 0 10px}.register-head p{margin:0;color:#607096;line-height:1.5;font-size:16px}.register-card .auth-form{margin-top:25px;gap:14px}.register-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.register-card .input-wrap input,.register-card .auth-select{height:58px}.register-card .auth-btn{height:58px;margin-top:4px}.terms-row{margin-top:4px}.register-help{display:flex;align-items:center;gap:13px;margin-top:26px;padding-top:22px;border-top:1px solid #e1e6f0;color:#5f6b8e}.register-help strong{display:block;color:#0a1643;margin-bottom:3px}.register-help p{margin:0;font-size:14px}.register-footer{margin-top:18px}.reg-mobile-logo{display:none}.compact-logo{width:280px}
@media(max-width:1100px){.login-main{width:min(94%,1100px)}.login-bg:after{background:linear-gradient(90deg,#fff 0%,rgba(255,255,255,.98) 47%,rgba(255,255,255,.55) 72%,rgba(255,255,255,.18) 100%)}.login-card{width:min(650px,62vw)}.login-bottom{grid-template-columns:1fr;gap:24px}.trust-features{justify-self:start;max-width:700px}.register-shell{grid-template-columns:40% 60%}.register-visual-inner{padding:42px 34px}.reg-copy{margin-top:40px}.reg-brand-name{font-size:34px}.register-card{padding:36px 34px}}
@media(max-width:820px){.login-bg{background-position:68% center}.login-bg:after{background:linear-gradient(180deg,rgba(255,255,255,.82) 0%,#fff 28%,#fff 100%)}.login-main{width:min(92%,680px);padding:28px 0 22px}.login-top{max-width:none}.auth-logo{width:250px}.login-card{width:100%;padding-top:48px}.auth-title{font-size:44px}.login-bottom{gap:28px}.trust-features{grid-template-columns:1fr;gap:15px}.support-mini{grid-template-columns:auto 1fr}.support-mini .auth-language{grid-column:2}.register-shell{display:block}.register-visual{min-height:330px}.register-visual-inner{padding:30px 26px}.reg-copy{margin-top:24px}.reg-copy h1{font-size:42px}.reg-benefits{display:none}.register-form-side{padding:24px 16px 40px}.register-card{border-radius:20px;padding:30px 22px}.register-head h1{font-size:34px}.register-grid{grid-template-columns:1fr}.register-head .auth-language{position:absolute;right:24px;top:20px}.register-card{position:relative}}
@media(max-width:520px){.login-top{align-items:center}.login-top .auth-language{margin-top:0}.auth-logo{width:210px}.auth-title{font-size:37px}.auth-lead{font-size:17px;margin-bottom:28px}.input-wrap input,.auth-select{height:56px}.auth-row{align-items:flex-start;flex-direction:column}.auth-btn{height:57px}.support-mini{grid-template-columns:auto 1fr}.trust-features{display:none}.auth-footer{font-size:12px}.register-visual{min-height:300px}.reg-brand img{width:66px;height:66px}.reg-brand-name{font-size:31px}.reg-tagline{font-size:13px}.reg-copy h1{font-size:36px}.reg-copy>p{font-size:15px}.register-card{box-shadow:0 12px 40px rgba(10,35,92,.08)}}

.device-verify{display:none;margin-top:16px;padding:18px;border:1px solid #cfddff;background:#f4f7ff;border-radius:14px}.device-verify.show{display:block}.device-verify h3{margin:0 0 6px;font-size:18px}.device-verify p{margin:0 0 14px;color:#5b688f;font-size:14px;line-height:1.5}.device-code-row{display:grid;grid-template-columns:1fr auto;gap:10px}.device-code-row input{height:52px;border:1.5px solid #cfd8ec;border-radius:10px;padding:0 16px;font-size:20px;letter-spacing:7px}.device-code-row button{border:0;border-radius:10px;background:#0757ff;color:#fff;padding:0 20px;font-weight:800;cursor:pointer}.auth-btn.loading{opacity:.72;pointer-events:none}.auth-status.success{background:#effbf5;color:#11704c;border:1px solid #c9efdc}