:root{
 --font-scale:1;--bg:#06111f;--bg2:#0a1a2b;--panel:#0d2135;--panel2:#102941;--text:#f7f4ea;--muted:#9db0c5;--border:#24425f;--gold:#f3bf45;--gold2:#a87312;--blue:#1b66d1;--green:#27a869;--red:#d84a4a;--warning:#c58e1b;--shadow:0 10px 28px rgba(0,0,0,.2)
}
html[data-theme="light"]{--bg:#f5f4ef;--bg2:#fff;--panel:#fff;--panel2:#f7f9fc;--text:#13213a;--muted:#66778c;--border:#dce4ed;--gold:#bb8515;--gold2:#8a5e0e;--blue:#154d8e;--green:#168753;--red:#c73535;--warning:#b87a08;--shadow:0 8px 24px rgba(20,40,70,.08)}
*{box-sizing:border-box}html{font-size:calc(16px * var(--font-scale))}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.45}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{box-shadow:0 0 0 3px rgba(243,191,69,.35)}
.app-shell{display:grid;grid-template-columns:268px minmax(0,1fr);min-height:100vh}.sidebar{background:linear-gradient(180deg,#061322 0%,#071827 68%,#08111d 100%);border-right:1px solid #1b3652;display:flex;flex-direction:column;min-width:0}.side-brand{padding:28px 22px 18px;text-align:center;border-bottom:1px solid #17324d}.seven-stars{font-size:.7rem;color:var(--gold);letter-spacing:5px}.side-brand h1{font-family:Georgia,serif;font-size:1.25rem;line-height:1.1;color:#ffd86c;margin:10px 0 8px}.side-brand p{font-size:.67rem;letter-spacing:2px;color:#a9bbcd;margin:0}.sidebar nav{padding:14px 8px;display:grid;gap:6px}.nav-item{display:flex;align-items:center;gap:14px;padding:13px 16px;border-radius:9px;color:#dce8f6}.nav-item span{font-size:1.35rem;width:28px;text-align:center}.nav-item b{font-weight:600}.nav-item.active{background:linear-gradient(90deg,#8a6419,#4c3916);color:#fff0b6;border:1px solid #9d7928}.side-quote{margin-top:auto;padding:38px 20px 28px;text-align:center;background:radial-gradient(circle at 50% 100%,rgba(20,102,190,.45),transparent 55%)}.side-quote p{color:#f8ce64;font-family:Georgia,serif;font-size:.86rem;letter-spacing:2px}.side-quote small{color:#d3a33d;letter-spacing:2px}.main-wrap{min-width:0}.topbar{height:64px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:16px;padding:0 22px;background:var(--bg2);position:sticky;top:0;z-index:20}.mobile-menu{display:none;background:none;border:0;color:var(--text);font-size:1.4rem}.search-box{min-width:250px;max-width:440px;flex:1;display:flex;align-items:center;gap:8px;border:1px solid var(--border);background:var(--panel);border-radius:9px;padding:7px 12px}.search-box input{width:100%;border:0;background:transparent;color:var(--text)}.top-actions{display:flex;align-items:center;gap:12px}.user-name{white-space:nowrap}.theme-control,.font-control{display:flex;gap:4px;border-left:1px solid var(--border);padding-left:10px}.theme-control button,.font-control button,.logout{border:1px solid var(--border);background:var(--panel);color:var(--text);border-radius:8px;padding:7px 10px;cursor:pointer}.theme-control button.active{border-color:var(--gold);color:var(--gold);background:rgba(243,191,69,.08)}.content{padding:16px 20px 30px}.hero{position:relative;height:168px;border-radius:12px;overflow:hidden;border:1px solid #2a4968}.hero img{width:100%;height:100%;object-fit:cover;object-position:center}.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(2,10,20,.12),rgba(2,10,20,.55) 45%,rgba(2,10,20,.18));display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;text-shadow:0 3px 10px #000}.hero-shade h2{font-family:Georgia,serif;color:#ffdb72;font-size:2.2rem;line-height:1;margin:0}.hero-shade p{font-size:.76rem;letter-spacing:3px;color:white}.page-heading{display:flex;justify-content:space-between;align-items:end;gap:16px;margin:18px 2px 12px}.page-heading h2{font-family:Georgia,serif;font-size:2rem;margin:0}.page-heading p{margin:2px 0;color:var(--muted)}.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:12px 0}.stat{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:16px;display:flex;gap:14px;align-items:center;box-shadow:var(--shadow)}.stat-icon{display:grid;place-items:center;width:48px;height:48px;border-radius:10px;background:rgba(243,191,69,.12);font-size:1.45rem;color:var(--gold)}.stat small{display:block;color:var(--muted)}.stat strong{font-size:1.75rem;display:block}.stat em{font-size:.8rem;font-style:normal;color:var(--muted)}.stat progress{width:100%;height:6px;accent-color:var(--gold)}.dashboard-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:14px}.right-stack{display:grid;gap:14px;align-content:start}.panel{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:16px;box-shadow:var(--shadow);min-width:0;margin-bottom:14px}.panel h3{margin:0 0 12px}.panel-title{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px}.panel-title h3{margin:0}.panel-title a,.mini-link{color:#6ba9ff}.lesson-highlight{display:flex;gap:16px;align-items:center}.seal-seven{width:96px;height:78px;display:grid;place-items:center;border-radius:14px;background:radial-gradient(circle,#a40909 0 34%,#5a0808 35% 46%,#25130d 47% 100%);border:2px solid #e14424;color:white;font:bold 3.2rem Georgia,serif;text-shadow:0 2px 3px #000;flex:0 0 auto}.grow{flex:1;min-width:0}.grow h3,.lesson-highlight h3{margin:3px 0 6px}.grow p{margin:4px 0;color:var(--muted)}.badge{display:inline-flex;align-items:center;padding:4px 9px;border-radius:999px;font-size:.78rem;font-weight:700}.badge.success{background:rgba(39,168,105,.16);color:#6ee7a9}.badge.danger{background:rgba(216,74,74,.16);color:#ff9898}.badge.warning{background:rgba(197,142,27,.18);color:#ffd36b}.badge.info{background:rgba(27,102,209,.16);color:#86b9ff}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:9px;padding:10px 14px;border:1px solid transparent;cursor:pointer;font-weight:700}.btn.primary{background:linear-gradient(180deg,#f7c756,#bd8617);color:#1d1608}.btn.outline{border-color:var(--gold);background:transparent;color:var(--gold)}.btn.ghost{background:var(--panel2);border-color:var(--border);color:var(--text)}.btn.small{padding:7px 10px;font-size:.86rem}.btn.wide{width:100%}.quick{display:grid;gap:10px}.quick-btn{display:block;padding:11px 12px;border-radius:8px;border:1px solid rgba(255,255,255,.12);font-weight:700}.quick-btn.blue{background:#1458b4;color:white}.quick-btn.green{background:#147a4c;color:white}.quick-btn.gold{background:#9a6c11;color:white}.quick-btn.purple{background:#5d2ca2;color:white}.approval-numbers{display:grid;grid-template-columns:auto 1fr auto 1fr;gap:8px;align-items:end;margin:18px 0}.approval-numbers strong{font-size:1.7rem;color:var(--gold)}.approval-numbers span{color:var(--muted);font-size:.8rem}.table-wrap{overflow-x:auto}.table-wrap table{width:100%;border-collapse:collapse;min-width:650px}.table-wrap th,.table-wrap td{text-align:left;padding:11px 10px;border-bottom:1px solid var(--border);vertical-align:middle}.table-wrap th{background:var(--panel2);font-size:.8rem;color:var(--muted)}.table-wrap td{font-size:.9rem}.empty{text-align:center;color:var(--muted);padding:26px!important}.two-col{display:grid;grid-template-columns:minmax(320px,.8fr) minmax(0,1.4fr);gap:14px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-stack{display:grid;gap:14px}.form-grid label,.form-stack label,.toolbar label,.install-grid label{display:grid;gap:6px;color:var(--muted);font-weight:600}.span-2{grid-column:span 2}.form-grid input,.form-grid select,.form-grid textarea,.form-stack input,.toolbar select,.inline-form select,.inline-form input,.install-grid input{width:100%;border:1px solid var(--border);border-radius:8px;background:var(--panel2);color:var(--text);padding:10px 11px}.form-actions{display:flex;gap:10px;align-items:center;grid-column:1/-1;margin-top:4px}.lesson-list{display:grid;gap:10px}.lesson-list article{display:flex;align-items:center;gap:12px;border:1px solid var(--border);border-radius:10px;padding:12px;background:var(--panel2)}.lesson-list h4{margin:0 0 2px}.lesson-list p{margin:0;color:var(--muted)}.lesson-number{width:46px;height:46px;border-radius:10px;display:grid;place-items:center;background:rgba(243,191,69,.14);color:var(--gold);font-weight:900}.toolbar{display:flex;justify-content:flex-end;margin-bottom:12px}.toolbar label{min-width:min(100%,460px)}.inline-form{display:flex;gap:8px;align-items:center;min-width:430px}.settings-panel{max-width:900px}.alert{padding:12px 14px;border-radius:9px;margin:12px 0;border:1px solid}.alert.success{background:rgba(39,168,105,.15);border-color:rgba(39,168,105,.45)}.alert.danger{background:rgba(216,74,74,.15);border-color:rgba(216,74,74,.45)}.alert.warning{background:rgba(197,142,27,.16);border-color:rgba(197,142,27,.5);color:var(--text)}
.login-body,.install-body{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 20% 10%,#0d3b6d,transparent 30%),#05101c;padding:24px}.login-shell{width:min(1050px,100%);display:grid;grid-template-columns:1.2fr .8fr;background:#08192a;border:1px solid #234362;border-radius:18px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.4)}.login-art{position:relative;min-height:560px}.login-art img{width:100%;height:100%;object-fit:cover}.login-art-overlay{position:absolute;inset:auto 0 0;padding:28px;background:linear-gradient(transparent,rgba(0,0,0,.85));color:white}.login-art-overlay h1{font:2.6rem/1 Georgia,serif;color:#ffd86a}.login-card{padding:46px;background:#0b1d30;color:white;display:flex;flex-direction:column;justify-content:center}.login-card h2{font-size:2rem;margin-bottom:4px}.login-card>p{color:#9fb3c9;margin-top:0}.brand-mini{color:#ffd86a;display:flex;gap:8px;align-items:center}.password-wrap{display:flex;align-items:center;position:relative}.password-wrap input{padding-right:48px}.eye{position:absolute;right:6px;border:0;background:transparent;color:inherit;cursor:pointer}.access-mini{display:flex;gap:8px;margin-top:18px}.access-mini button{border:1px solid #36506b;background:#10283f;color:white;border-radius:8px;padding:7px 10px}.install-card{width:min(850px,100%);background:#0a1c2f;color:#fff;border:1px solid #264866;border-radius:16px;padding:26px}.install-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.install-grid h3{grid-column:1/-1;color:#ffd164;border-bottom:1px solid #284863;padding-bottom:7px}.check-row{grid-column:1/-1;display:flex!important;grid-template-columns:auto 1fr!important;align-items:center}.check-row input{width:auto}.install-grid .wide{grid-column:1/-1}.certificate-body{background:#ece7d7;color:#1a2440;padding:22px}.certificate-actions{display:flex;gap:10px;justify-content:center;margin-bottom:16px}.certificate{max-width:1120px;margin:auto;background:#faf7ed;padding:22px;box-shadow:0 16px 40px rgba(0,0,0,.18)}.cert-border{border:10px double #9a6a10;padding:54px;text-align:center;min-height:690px;position:relative;background:radial-gradient(circle at 50% 0%,rgba(255,220,120,.18),transparent 38%)}.cert-stars{color:#b47b11;letter-spacing:10px}.cert-border h1{font:3rem Georgia,serif;color:#7c5510;letter-spacing:5px;margin:20px 0 4px}.cert-border h2{font:1.5rem Georgia,serif;color:#172b4b}.cert-lead{margin-top:46px}.student-name{font:3rem Georgia,serif;color:#0f2f63;border-bottom:1px solid #b58a3c;display:inline-block;padding:0 30px 8px;margin-bottom:20px}.cert-border>p{max-width:780px;margin:12px auto;font-size:1.08rem}.cert-meta{display:flex;justify-content:space-between;gap:20px;margin:46px 0}.signature{display:grid;grid-template-columns:1fr 1fr;gap:90px;margin:50px 10% 20px}.signature span{display:block;border-top:1px solid #333;margin-bottom:8px}.signature b,.signature small{display:block}.cert-border footer{margin-top:36px;color:#7c5510;font-family:Georgia,serif}
@media(max-width:1100px){.app-shell{grid-template-columns:220px minmax(0,1fr)}.stats-grid{grid-template-columns:repeat(2,1fr)}.dashboard-grid{grid-template-columns:1fr}.right-stack{grid-template-columns:1fr 1fr}.two-col{grid-template-columns:1fr}.user-name{display:none}.hero-shade h2{font-size:1.75rem}}
@media(max-width:760px){.app-shell{display:block}.sidebar{position:fixed;left:-290px;top:0;bottom:0;width:280px;z-index:50;transition:left .2s}.sidebar.open{left:0}.mobile-menu{display:block}.topbar{padding:0 10px;height:auto;min-height:62px;flex-wrap:wrap}.search-box{order:2;flex-basis:100%;max-width:none;margin-bottom:8px}.theme-control button{font-size:0}.theme-control button:first-child:before{content:'☀'}.theme-control button:last-child:before{content:'☾'}.content{padding:12px}.hero{height:132px}.hero-shade h2{font-size:1.25rem}.hero-shade p{letter-spacing:1px}.stats-grid{grid-template-columns:1fr}.right-stack{grid-template-columns:1fr}.page-heading{align-items:start;flex-direction:column}.lesson-highlight{align-items:flex-start;flex-wrap:wrap}.seal-seven{width:72px;height:62px;font-size:2.4rem}.form-grid,.install-grid{grid-template-columns:1fr}.span-2,.install-grid h3,.install-grid .wide{grid-column:1}.inline-form{min-width:600px}.login-shell{grid-template-columns:1fr}.login-art{min-height:250px}.login-card{padding:28px}.cert-border{padding:24px}.student-name{font-size:2rem}.signature{grid-template-columns:1fr;gap:40px}.cert-meta{flex-direction:column}.certificate-body{padding:8px}.certificate{padding:8px}}
@media print{.certificate-actions{display:none}.certificate-body{padding:0;background:#fff}.certificate{box-shadow:none;max-width:none}.cert-border{min-height:0}}