.student-auth{display:grid;grid-template-columns:1fr 1fr;min-height:calc(100vh - 150px)}.auth-story{background:#0b1a31;position:relative;overflow:hidden;color:#fff;padding:65px 12%;display:flex;align-items:flex-end;isolation:isolate}.auth-story>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;z-index:-2;opacity:.85}.auth-story:after{content:'';position:absolute;inset:0;background:linear-gradient(transparent,#06122ae8);z-index:-1}.auth-story h2{font-size:39px;line-height:1.7}.auth-story h2 span{color:#9ac6ff}.auth-story p{font-size:13px;color:#b9cce8;line-height:2}.auth-form-wrap{display:flex;align-items:center;justify-content:center;padding:55px 9%}.student-auth-form{width:100%;max-width:430px}.student-auth-form h1{font-size:34px;margin:12px 0;letter-spacing:-1px}.student-auth-form>p{color:var(--muted);font-size:12px;line-height:2}.student-auth-form label{display:block;margin:19px 0;font-size:12px}.student-auth-form .form-row{gap:14px;margin:0}.student-auth-form .form-row label{margin:12px 0}.student-auth-form .checkbox-label{display:flex;font-size:10px}.student-auth-form .button{width:100%;margin-top:12px;padding:13px 20px}.auth-switch{text-align:center;font-size:12px;margin-top:25px}.auth-switch a{color:var(--blue);font-weight:700;margin-right:6px}.auth-support{display:block;text-align:center;color:var(--muted);font-size:10px;margin-top:15px}.student-footer{display:flex;justify-content:center;gap:20px;align-items:center;padding:23px;font-size:10px;color:var(--muted);border-top:1px solid var(--border);flex-wrap:wrap}.student-footer>a{font-size:9px}.student-main{padding-top:45px;padding-bottom:80px;min-height:75vh}.student-welcome{display:flex;justify-content:space-between;align-items:center;gap:30px;border-bottom:1px solid var(--border);padding-bottom:30px;margin-bottom:30px}.student-welcome h1{font-size:33px;margin:10px 0}.student-welcome p{font-size:12px;color:var(--muted)}.grade-pill{background:var(--pale);color:var(--blue);padding:7px 18px;border-radius:30px;font-size:11px;display:inline-block}.account-note{font-size:11px;background:var(--pale);padding:20px 25px;border:1px solid var(--border);border-radius:11px;line-height:2;margin-bottom:30px;color:var(--muted)}.student-course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.student-course{border:1px solid var(--border);border-radius:15px;overflow:hidden;background:var(--paper)}.student-course>img{width:100%;aspect-ratio:1.6;object-fit:cover;object-position:center 65%}.student-course-body{padding:22px}.student-course-body h2{font-size:22px;margin:10px 0}.student-course-body p{color:var(--muted);font-size:11px;line-height:1.9}.student-course-body .button{display:flex;width:100%;margin-top:20px}.course-progress{height:5px;background:var(--border);border-radius:5px;overflow:hidden;margin:17px 0 8px}.course-progress i{display:block;height:100%;background:var(--blue)}.student-course-body small{font-size:9px;color:var(--muted)}.course-state{font-size:9px;padding:4px 10px;background:var(--pale);color:var(--blue);border-radius:20px;display:inline-block}.course-state.inactive{background:#f7e9d8;color:#976d30}.course-count{font-size:12px;color:var(--muted);display:block;margin-bottom:20px}.lesson-layout{display:grid;grid-template-columns:1fr 315px;gap:28px;direction:ltr;align-items:start;margin-top:30px}.lesson-main,.lesson-sidebar{direction:rtl}.lesson-sidebar{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:23px;position:sticky;top:120px}.lesson-sidebar h2{font-size:18px;margin:0 0 18px}.lesson-sidebar a{display:flex;align-items:start;gap:10px;padding:14px 12px;border:1px solid transparent;border-bottom-color:var(--border);font-size:11px;line-height:1.9;border-radius:7px}.lesson-sidebar a.selected{background:var(--pale);color:var(--blue);border-color:#b4d1ff}.lesson-sidebar a>span:first-child{flex-shrink:0;color:var(--blue)}.lesson-title h1{font-size:29px;margin:10px 0}.lesson-title small{color:var(--blue);font-size:10px}.lesson-player{background:#08152a;border-radius:15px;overflow:hidden;aspect-ratio:16/9;display:grid;place-items:center;color:#c5d7ee;padding:0;position:relative}.lesson-player video,.lesson-player iframe{width:100%;height:100%;border:0;display:block}.player-message{text-align:center;padding:30px;max-width:560px}.player-message>span{font:55px monospace;color:#85b8ff;display:block}.player-message h2{font-size:25px;color:#fff}.player-message p{font-size:12px;color:#9bb3d4;line-height:2}.player-message .button{margin-top:10px}.lesson-description{font-size:13px;color:var(--muted);line-height:2.2;white-space:pre-line;margin:25px 0}.lesson-actions{display:flex;gap:15px;justify-content:space-between;align-items:center;padding-top:20px;border-top:1px solid var(--border);flex-wrap:wrap}.lesson-actions>p{font-size:10px;color:var(--muted)}.lesson-loading{padding:100px 20px;text-align:center;color:var(--muted)}.student-logout{background:none;border:1px solid var(--border);border-radius:8px;padding:9px 15px;color:var(--muted);font-size:11px}.public-course-price{font-size:12px;color:var(--blue);font-weight:700}.auth-error{color:#a94a40!important}.form-row .field-help{font-size:9px;color:var(--muted);margin-top:7px;display:block}.auth-password-note{font-size:9px!important;margin-top:7px;display:block;color:var(--muted)}@media(max-width:1000px){.student-course-grid{grid-template-columns:repeat(2,1fr)}.auth-story{padding:50px 9%}.auth-story h2{font-size:32px}.auth-form-wrap{padding:45px 9%}.student-auth-form h1{font-size:30px}.lesson-layout{grid-template-columns:1fr 260px;gap:22px}.lesson-sidebar{padding:18px}.student-links{display:flex!important;position:static!important;border:0!important;background:none!important;padding:0!important;box-shadow:none!important}.student-links>a{font-size:11px}}@media(max-width:700px){.student-auth{display:block;min-height:0}.auth-story{display:none}.auth-form-wrap{padding:45px 6% 55px}.student-auth-form{max-width:450px}.student-auth-form h1{font-size:30px}.student-auth-form>p{font-size:12px}.student-auth-form .button{font-size:13px}.student-auth-form label{font-size:11px}.student-auth-form .form-row{gap:12px}.student-links{display:none!important}.student-main{padding-top:30px}.student-welcome{align-items:start;gap:20px}.student-welcome h1{font-size:26px}.student-welcome p{font-size:11px}.grade-pill{padding:7px 12px;font-size:10px;white-space:nowrap}.student-course-grid{grid-template-columns:1fr}.student-course-body h2{font-size:23px}.account-note{padding:18px;font-size:10px}.lesson-layout{display:flex;flex-direction:column;gap:28px}.lesson-main,.lesson-sidebar{width:100%}.lesson-sidebar{position:static}.lesson-title h1{font-size:25px}.lesson-player{aspect-ratio:auto;min-height:235px}.lesson-player video,.lesson-player iframe{aspect-ratio:16/9}.player-message{padding:25px 20px}.player-message>span{font-size:35px}.player-message h2{font-size:20px}.player-message p{font-size:11px}.lesson-description{font-size:12px}.student-footer{font-size:9px;gap:15px}.nav-actions .button{font-size:10px}.lesson-actions .button{font-size:11px}}