:root{--blue:#29468f;--blue-dark:#1f3673;--sky:#64acd6;--ink:#14213d;--muted:#6d7890;--line:#e2e7f0;--soft:#f4f7fb;--white:#fff}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--soft);font-family:Inter,"Segoe UI",Arial,sans-serif}button,input{font:inherit}a{text-decoration:none}.login-page{min-height:100vh;background:linear-gradient(125deg,#eef3fa 0 48%,#fff 48%)}.login-shell{min-height:100vh;display:grid;grid-template-columns:1.08fr .92fr;align-items:center;max-width:1240px;margin:auto;padding:48px}.login-brand{padding:70px}.login-brand img{width:220px;height:auto;margin-bottom:70px}.login-brand span,.eyebrow{color:var(--sky);font-size:11px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase}.login-brand h1{font-size:54px;letter-spacing:-2px;margin:12px 0}.login-brand p{max-width:470px;color:var(--muted);font-size:18px;line-height:1.6}.login-card{width:min(460px,100%);justify-self:center;padding:46px;border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:0 24px 70px #1f36731c}.login-card h2{font-size:32px;margin:10px 0}.login-card>p{color:var(--muted);line-height:1.5;margin-bottom:28px}.login-card label{display:block;margin:17px 0;color:#56637a;font-size:12px;font-weight:800}.login-card input,.dialog-form input{display:block;width:100%;margin-top:8px;padding:14px;border:1px solid #d9e0eb;border-radius:11px;outline:none}.login-card input:focus,.dialog-form input:focus{border-color:var(--sky);box-shadow:0 0 0 3px #64acd62b}.password-wrap{position:relative;display:block}.password-wrap button{position:absolute;right:7px;top:15px;border:0;border-radius:7px;padding:7px 9px;background:#edf3f8;color:var(--blue);font-size:10px}.primary-button,.secondary-button,.light-button{display:inline-flex;justify-content:center;align-items:center;border:1px solid transparent;border-radius:11px;padding:13px 18px;font-weight:800;cursor:pointer}.primary-button{width:100%;color:#fff;background:var(--blue)}.primary-button:hover{background:var(--blue-dark)}.primary-button.compact{width:auto}.secondary-button{color:var(--blue);background:#fff;border-color:#d7dfeb}.light-button{color:var(--blue);background:#fff}.login-help{margin-top:22px;padding-top:18px;border-top:1px solid var(--line);color:#8a94a6;font-size:11px;line-height:1.5}.form-error{padding:11px;border-radius:9px;color:#944646;background:#fff0f0;font-size:12px}.app-header{height:78px;display:flex;align-items:center;justify-content:space-between;padding:0 40px;border-bottom:1px solid var(--line);background:#fff}.brand{display:flex;align-items:center;gap:15px;color:var(--ink);font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:1px}.brand img{width:112px}.account{display:flex;align-items:center;gap:24px}.account strong,.account small{display:block;text-align:right}.account strong{font-size:12px}.account small{margin-top:3px;color:var(--muted);font-size:10px}.link-button{padding:8px 12px;border:0;border-radius:8px;color:var(--blue);background:#eef3f8;cursor:pointer}.page{max-width:1240px;margin:auto;padding:48px 38px}.page h1{font-size:38px;letter-spacing:-1.2px;margin:10px 0}.lead{color:var(--muted);line-height:1.6}.page-title{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.hero-card{display:flex;align-items:center;justify-content:space-between;margin-top:30px;padding:38px 42px;border-radius:23px;color:#fff;background:linear-gradient(125deg,var(--blue-dark),#3b5ba8);box-shadow:0 20px 44px #1f367322}.hero-card span{color:#b9d8ed;font-size:11px;text-transform:uppercase;font-weight:800;letter-spacing:1px}.hero-card h2{font-size:29px;margin:13px 0 8px}.hero-card p{color:#dae5fb;margin-bottom:24px}.progress-circle{width:118px;height:118px;display:grid;place-items:center;align-content:center;border:8px solid #64acd6;border-radius:50%;font-size:25px;font-weight:900}.progress-circle small{color:#d8e5fa;font-size:9px;margin-top:4px}.section-heading{margin:38px 0 16px}.course-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:13px}.course-card{min-height:170px;padding:20px;border:1px solid var(--line);border-radius:16px;background:#fff}.course-card>span{color:var(--sky);font-size:10px;font-weight:800;text-transform:uppercase}.course-card h3{font-size:15px;line-height:1.35;margin:32px 0 20px}.course-card small{color:var(--muted)}.course-card.locked{opacity:.55}.table-card{margin-top:25px;overflow:hidden;border:1px solid var(--line);border-radius:17px;background:#fff}.table-row{display:grid;grid-template-columns:2fr 1.3fr 1fr .7fr;gap:20px;padding:17px 22px;border-bottom:1px solid #edf0f4;color:#687489;font-size:12px}.table-row:last-child{border-bottom:0}.table-head{color:#929bad;background:#f8f9fb;font-size:9px;font-weight:800;text-transform:uppercase;letter-spacing:.8px}.table-row strong{color:var(--ink)}.empty{padding:28px;color:var(--muted);text-align:center}.messages{max-width:1240px;margin:18px auto -20px;padding:0 38px}.message{padding:12px 15px;border-radius:10px;color:#287a57;background:#e9f7f0}dialog{width:min(570px,calc(100% - 30px));padding:0;border:0;border-radius:20px;box-shadow:0 30px 90px #0914315e}dialog::backdrop{background:#13244888}.dialog-form{padding:28px}.dialog-head{display:flex;justify-content:space-between}.dialog-head h2{margin:7px 0 18px}.dialog-head>button{width:34px;height:34px;border:0;border-radius:9px;font-size:22px}.dialog-form p{margin:15px 0;color:#59657a;font-size:11px;font-weight:800}.dialog-form .helptext,.dialog-form ul{display:none}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}.dialog-actions .primary-button{width:auto}.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin:28px 0}.stat-grid article{padding:24px;border:1px solid var(--line);border-radius:16px;background:#fff}.stat-grid span,.stat-grid strong{display:block}.stat-grid span{color:var(--muted);font-size:11px}.stat-grid strong{margin-top:12px;color:var(--blue);font-size:30px}.admin-actions{display:flex;gap:10px}.admin-actions .primary-button{width:auto}.back{display:inline-block;margin-bottom:28px;color:var(--muted)}.placeholder{height:340px;display:flex;flex-direction:column;align-items:center;justify-content:center;margin:30px 0;border-radius:20px;color:#fff;background:linear-gradient(135deg,var(--blue-dark),#4265ad)}.placeholder strong{font-size:22px}.placeholder span{margin-top:8px;color:#c5d5f0}.theory{padding:27px;border:1px solid var(--line);border-radius:17px;background:#fff}.theory p{color:var(--muted);line-height:1.65}.lesson{max-width:960px}
@media(max-width:800px){.login-page{background:#f2f5fa}.login-shell{grid-template-columns:1fr;padding:24px}.login-brand{padding:18px}.login-brand img{width:150px;margin-bottom:25px}.login-brand h1{font-size:36px}.login-brand p{font-size:14px}.login-card{padding:28px}.app-header{padding:0 18px}.brand span{display:none}.account span{display:none}.page{padding:32px 18px}.page-title{flex-direction:column}.course-grid,.stat-grid{grid-template-columns:1fr}.hero-card{padding:28px}.progress-circle{display:none}.table-card{overflow:auto}.table-row{min-width:650px}.admin-actions{flex-direction:column}.admin-actions .primary-button{width:100%}}