:root{--navy: #0b2d5c;--navy-2: #123f78;--orange: #f47b20;--orange-2: #ff9a42;--bg: #f5f7fb;--surface: #ffffff;--surface-2: #eef3f8;--surface-elevated: #ffffff;--text: #142033;--text-secondary: #1e293b;--text-muted: #334155;--muted-foreground: var(--text-muted);--line: #dce3ec;--line-muted: #e8eef5;--success: #198754;--danger: #c93c3c;--warning: #a56a00;--info: #0b6bcb;--focus-ring: #f47b20;--shadow: 0 12px 30px rgba(20, 32, 51, .08);--radius: 18px}[data-theme=dark],html.dark{--navy: #7eb0ef;--navy-2: #9ec4f5;--orange: #ff9a42;--orange-2: #ffb56e;--bg: #0b1220;--surface: #111b2d;--surface-2: #172238;--surface-elevated: #1a2740;--text: #f1f5fb;--text-secondary: #e2e8f0;--text-muted: #cbd5e1;--muted-foreground: var(--text-muted);--line: #26344a;--line-muted: #1e2b40;--success: #3dd68c;--danger: #f07178;--warning: #f0c674;--info: #6cb6ff;--focus-ring: #ff9a42;--shadow: 0 14px 34px rgba(0, 0, 0, .28)}*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text)}body{min-height:100vh}a{text-decoration:none;color:inherit}button,input,textarea,select{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}.app{display:flex;min-height:100vh}.sidebar{width:264px;background:var(--surface);border-right:1px solid var(--line);padding:22px 16px;position:fixed;left:0;top:0;bottom:0;z-index:10;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:10px;padding:4px 8px 22px}.brand img{width:48px;height:40px;object-fit:contain;object-position:center}.brand strong{font-size:15px;line-height:1.05}.brand small{display:block;color:var(--text-muted);font-size:11px;margin-top:3px}.nav{display:flex;flex-direction:column;gap:4px}.nav a{display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:12px;color:var(--text-secondary);font-size:14px;min-height:44px}.nav a:hover,.nav a.active{background:var(--surface-2);color:var(--navy);font-weight:650}[data-theme=dark] .nav a:hover,[data-theme=dark] .nav a.active{color:#fff}.nav .icon{width:20px;text-align:center}.nav-badge{margin-left:auto;min-width:1.35rem;height:1.35rem;padding:0 6px;border-radius:999px;background:var(--orange);color:#fff;font-size:11px;font-weight:700;line-height:1.35rem;text-align:center}.nav-section{font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:var(--text-muted);padding:18px 12px 6px}.sidebar-bottom{margin-top:auto}.user-mini{display:flex;align-items:center;gap:10px;padding:12px;background:var(--surface-2);border-radius:14px}.avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#0b2d5c,#f47b20);color:#fff;font-weight:700}.user-mini .meta{min-width:0}.user-mini b{font-size:13px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-mini span{font-size:11px;color:var(--text-muted)}.main{margin-left:264px;width:calc(100% - 264px);min-width:0}.topbar{height:72px;background:var(--surface);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:8}.topbar .title{font-weight:750}.top-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.icon-btn,.btn{border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:11px;padding:9px 12px;min-height:40px}.btn{font-weight:650;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn.primary{background:#0b2d5c;border-color:#0b2d5c;color:#fff}.btn.orange{background:#f47b20;border-color:#f47b20;color:#fff}.btn.ghost{background:transparent}.btn.danger{background:var(--danger);border-color:var(--danger);color:#fff}[data-theme=dark] .btn.primary{background:#f47b20;border-color:#f47b20;color:#0b1220}.content{padding:28px;max-width:1440px;margin:0 auto}.hero{background:linear-gradient(135deg,#0b2d5c,#17508e);border-radius:24px;padding:34px;color:#fff;display:grid;grid-template-columns:1.6fr .9fr;gap:24px;overflow:hidden;position:relative}.hero:after{content:"";position:absolute;width:360px;height:360px;border-radius:50%;right:-100px;top:-130px;background:#f47b2040}.hero h1{font-size:clamp(1.6rem,4vw,2.125rem);line-height:1.08;margin:0 0 12px;max-width:700px}.hero p{color:#dbe8f7;max-width:660px;line-height:1.6}.hero-card{background:#ffffff1f;border:1px solid rgba(255,255,255,.2);padding:18px;border-radius:18px;position:relative;z-index:1}.hero .btn{color:inherit}.hero .btn.orange{color:#fff}.grid{display:grid;gap:18px}.grid-4{grid-template-columns:repeat(4,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.card h2,.card h3{margin:0 0 8px}.muted{color:var(--text-muted)}.small{font-size:13px;line-height:1.45}.kpi{font-size:28px;font-weight:800;margin-top:4px}.badge{display:inline-flex;align-items:center;gap:5px;padding:5px 8px;border-radius:999px;font-size:11px;font-weight:700}.badge.verified{background:#e4f5eb;color:#146c43}.badge.unverified{background:#eef1f5;color:#4a5568}.badge.warn{background:#fff2d8;color:#8a5a00}.badge.mod{background:#e8eef9;color:#0b2d5c}[data-theme=dark] .badge.verified{background:#173626;color:#3dd68c}[data-theme=dark] .badge.unverified{background:#273247;color:#a8b6c9}[data-theme=dark] .badge.warn{background:#3b301b;color:#f0c674}[data-theme=dark] .badge.mod{background:#1d2f4d;color:#9ec4f5}.section-head{display:flex;align-items:center;justify-content:space-between;margin:26px 0 12px;gap:12px;flex-wrap:wrap}.section-head h2{margin:0;font-size:19px}.post{display:flex;gap:13px}.post-body{flex:1;min-width:0}.post-head{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.post-head b{font-size:14px}.post p{line-height:1.55;margin:10px 0}.post-actions{display:flex;gap:18px;color:var(--text-muted);font-size:12px;flex-wrap:wrap}.composer textarea{width:100%;border:1px solid var(--line);background:var(--surface-2);color:var(--text);border-radius:14px;padding:13px;min-height:100px;resize:vertical}.composer textarea::placeholder{color:var(--text-muted)}.composer-footer{display:flex;justify-content:space-between;align-items:center;margin-top:10px;gap:10px;flex-wrap:wrap}.progress{height:8px;background:var(--surface-2);border-radius:999px;overflow:hidden}.progress>span{display:block;height:100%;background:#f47b20;border-radius:999px}.course-card{overflow:hidden;padding:0}.course-cover{height:120px;background:linear-gradient(135deg,#0b2d5c,#f47b20);display:flex;align-items:flex-end;padding:16px;color:#fff}.course-card .inner{padding:17px}.course-meta{display:flex;justify-content:space-between;color:var(--text-muted);font-size:11px;margin:10px 0;gap:8px}.table-wrap{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}.table{width:100%;border-collapse:collapse;min-width:560px}.table th,.table td{text-align:left;padding:12px;border-bottom:1px solid var(--line);font-size:13px}.table th{color:var(--text-muted);font-weight:650}.input{width:100%;padding:11px 12px;border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:11px;min-height:44px}.input::placeholder{color:var(--text-muted)}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.field label{display:block;font-size:12px;font-weight:700;margin-bottom:6px}.notice{padding:12px 14px;border-radius:12px;background:#fff4e8;border:1px solid #ffd6ad;color:#814711;font-size:12px;line-height:1.5}.notice.error{background:#fde8e8;border-color:#f5b5b5;color:#8a1f1f}[data-theme=dark] .notice{background:#332516;border-color:#5d4125;color:#f4c895}[data-theme=dark] .notice.error{background:#3a1d22;border-color:#6b3038;color:#f5b4b8}.locked{position:relative;min-height:160px;display:grid;place-items:center;text-align:center;background:linear-gradient(180deg,var(--surface),var(--surface-2));padding:20px}.locked .lock{font-size:32px}.chat{display:grid;grid-template-columns:300px 1fr;min-height:640px}.chat-list{border-right:1px solid var(--line)}.chat-item{padding:13px 15px;border-bottom:1px solid var(--line);display:flex;gap:10px}.chat-item.active{background:var(--surface-2)}.chat-window{display:flex;flex-direction:column;min-width:0}.chat-header{padding:16px;border-bottom:1px solid var(--line)}.messages{flex:1;padding:18px;display:flex;flex-direction:column;gap:10px}.msg{max-width:min(65%,520px);padding:10px 13px;border-radius:14px;background:var(--surface-2);font-size:13px;line-height:1.45;word-break:break-word}.msg.me{margin-left:auto;background:#0b2d5c;color:#fff}[data-theme=dark] .msg.me{background:#123f78}.chat-compose{padding:13px;border-top:1px solid var(--line);display:flex;gap:8px}.chat-compose input{flex:1;min-width:0}.statline{display:flex;gap:8px;align-items:center;color:var(--text-muted);font-size:12px;flex-wrap:wrap}.profile-cover{height:170px;background:linear-gradient(120deg,#0b2d5c,#245c9b 55%,#f47b20);border-radius:20px 20px 0 0}.profile-head{display:flex;gap:18px;align-items:flex-end;margin-top:-34px;padding:0 22px 20px;flex-wrap:wrap}.profile-head .avatar{width:82px;height:82px;border:5px solid var(--surface);font-size:24px}.profile-tabs{display:flex;gap:18px;border-top:1px solid var(--line);padding:0 22px;overflow-x:auto}.profile-tabs a{padding:13px 3px;color:var(--text-muted);font-size:13px;white-space:nowrap}.profile-tabs a.active{color:#0b2d5c;font-weight:750;border-bottom:2px solid #f47b20}[data-theme=dark] .profile-tabs a.active{color:#fff}.timeline{display:flex;flex-direction:column;gap:12px}.timeline-item{display:flex;gap:12px}.dot{width:10px;height:10px;border-radius:50%;background:#f47b20;margin-top:5px;flex:none}.empty{padding:42px 20px;text-align:center;color:var(--text-muted)}.footer-note{text-align:center;color:var(--text-secondary);font-size:12px;margin:28px 0}.mobile-toggle,.sidebar-backdrop{display:none}@media (max-width: 1050px){.grid-4{grid-template-columns:repeat(2,1fr)}.hero{grid-template-columns:1fr}}@media (max-width: 800px){.sidebar{transform:translate(-100%);transition:.2s}.sidebar.open{transform:translate(0)}.sidebar-backdrop.open{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#0b122073;z-index:9}.main{margin-left:0;width:100%}.mobile-toggle{display:inline-flex}.content{padding:18px}.grid-3,.grid-2,.form-grid{grid-template-columns:1fr}.chat{grid-template-columns:1fr;min-height:520px}.chat-list{display:none}.topbar{padding:10px 15px;height:auto;min-height:64px}.msg{max-width:85%}}@media (max-width: 380px){.grid-4{grid-template-columns:1fr}.brand strong{font-size:13px}}@media (prefers-reduced-motion: reduce){.sidebar{transition:none}}.auth-shell{min-height:100dvh;display:grid;grid-template-columns:1fr 1fr;position:relative;background:var(--bg);color:var(--text)}.auth-theme-toggle{position:absolute;top:16px;right:16px;z-index:20;width:40px;height:40px;border-radius:999px;border:1px solid color-mix(in srgb,var(--border) 80%,transparent);background:color-mix(in srgb,var(--surface) 88%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);cursor:pointer;font-size:16px;line-height:1}.auth-brand-panel{position:relative;display:flex;align-items:center;justify-content:center;padding:48px;background:radial-gradient(circle at 20% 20%,rgba(244,123,32,.28),transparent 42%),radial-gradient(circle at 85% 75%,rgba(255,255,255,.12),transparent 40%),linear-gradient(145deg,#0b2d5c,#0a2348 55%,#081a36);color:#fff;overflow:hidden}.auth-brand-glow{position:absolute;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:36px 36px;opacity:.35;pointer-events:none}.auth-brand-inner{position:relative;max-width:440px;width:100%}.auth-brand-mark{display:inline-flex;align-items:center;gap:14px;color:inherit;text-decoration:none;margin-bottom:36px;font-weight:800;letter-spacing:.02em;line-height:1.15}.auth-brand-mark.compact{margin-bottom:8px;justify-content:center}.auth-brand-logo{width:56px;height:48px;flex:none;border-radius:10px}.auth-brand-title{font-size:clamp(1.8rem,2.4vw,2.4rem);font-weight:800;line-height:1.15;margin:0 0 14px}.auth-brand-copy{margin:0 0 28px;font-size:1.05rem;line-height:1.6;color:#ffffffe6}.auth-brand-list{list-style:none;margin:0;padding:0;display:grid;gap:14px}.auth-brand-list li{display:flex;gap:12px;align-items:flex-start;color:#ffffffe6;font-size:.95rem;line-height:1.45}.auth-brand-list span{width:26px;height:26px;border-radius:999px;background:#ffffff29;display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex:none}.auth-form-panel{display:flex;flex-direction:column;justify-content:center;padding:48px 32px 28px;min-height:100dvh;background:var(--bg-elevated, var(--bg))}.auth-mobile-brand{display:none;text-align:center;margin-bottom:20px}.auth-mobile-brand p{margin:0;color:var(--text-muted);font-size:.95rem;font-weight:600}.auth-card{width:100%;max-width:28rem;margin:0 auto;background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:28px 26px;box-shadow:0 18px 50px #0b2d5c14}.auth-card-head{margin-bottom:22px}.auth-card-head h2{margin:0 0 8px;font-size:1.35rem;font-weight:750;line-height:1.25}.auth-card-head p{margin:0;color:var(--text-muted);font-size:.95rem;line-height:1.5}.auth-form-footer{width:100%;max-width:28rem;margin:22px auto 0}.auth-register-note{margin-top:18px;padding-top:16px;border-top:1px solid var(--border)}.auth-register-note h3{margin:0 0 8px;font-size:.95rem}.auth-register-note ul{margin:0;padding-left:1.1rem;color:var(--text-muted);font-size:.88rem;line-height:1.5}.marketing-shell{min-height:100dvh;display:flex;flex-direction:column;background:radial-gradient(circle at top left,rgba(244,123,32,.08),transparent 28%),linear-gradient(180deg,color-mix(in srgb,var(--bg) 92%,#0b2d5c) 0%,var(--bg) 220px);color:var(--text)}.marketing-topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px clamp(16px,4vw,40px);border-bottom:1px solid var(--border);background:color-mix(in srgb,var(--surface) 88%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:sticky;top:0;z-index:10}.marketing-brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:inherit;font-weight:800}.marketing-nav{display:flex;align-items:center;gap:12px}.marketing-nav a:not(.btn){color:var(--text-muted);text-decoration:none;font-weight:600;font-size:.95rem}.marketing-main{width:min(920px,calc(100% - 32px));margin:0 auto;padding:36px 0 56px;flex:1}.marketing-hero-band{margin-bottom:24px}.marketing-eyebrow{margin:0 0 8px;color:#f47b20;font-size:.8rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.marketing-hero-band h1{margin:0 0 10px;font-size:clamp(1.8rem,3vw,2.4rem);line-height:1.15}.marketing-hero-band>p{margin:0;color:var(--text-muted);max-width:62ch;line-height:1.55}.marketing-content{display:grid;gap:16px}.legal-callout,.legal-section{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:20px 22px}.legal-callout p,.legal-section p,.legal-section li{color:var(--text-muted);line-height:1.6}.legal-section h2{margin:0 0 10px;font-size:1.15rem}.legal-section h3{margin:14px 0 6px;font-size:1rem}.legal-section ul{margin:0;padding-left:1.15rem}.site-footer{margin-top:auto;border-top:1px solid var(--border);background:color-mix(in srgb,var(--surface) 94%,#0b2d5c)}.site-footer.compact{background:transparent;border-top:0;margin-top:0}.site-footer-frame{width:min(1120px,calc(100% - 32px));margin:0 auto;padding:36px 0 22px}.site-footer.compact .site-footer-frame{width:100%;padding:0}.site-footer-top{display:grid;grid-template-columns:minmax(180px,1.2fr) 2.5fr;gap:28px 40px;margin-bottom:28px}.site-footer-brand strong{display:block;margin-bottom:8px;font-size:1.05rem}.site-footer-brand p{margin:0;color:var(--text-muted);font-size:.92rem;line-height:1.55;max-width:34ch}.site-footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px 18px}.site-footer-heading{margin:0 0 10px;font-size:.78rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--text)}.site-footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}.site-footer-col a{color:var(--text-muted);text-decoration:none;font-size:.92rem}.site-footer-col a:hover,.site-footer-legal-links a:hover{color:#f47b20}.site-footer-legal{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding-top:16px;border-top:1px solid var(--border)}.site-footer.compact .site-footer-legal{border-top:0;justify-content:center;flex-direction:column;text-align:center}.site-footer-legal p{margin:0;color:var(--text-secondary);font-size:.82rem}.site-footer-legal-links{display:flex;flex-wrap:wrap;gap:14px}.site-footer-legal-links a{color:var(--text-muted);text-decoration:none;font-size:.82rem;font-weight:600}.app>.main>.content>.site-footer{margin:28px -28px -28px;width:calc(100% + 56px)}@media (max-width: 1050px){.auth-shell{grid-template-columns:1fr}.auth-brand-panel{display:none}.auth-mobile-brand{display:block}.auth-form-panel{min-height:100dvh;padding:72px 18px 24px}.site-footer-top{grid-template-columns:1fr}.site-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 20px}.app>.main>.content>.site-footer{margin:28px -18px -18px;width:calc(100% + 36px)}}@media (max-width: 520px){.site-footer-frame{width:calc(100% - 24px);padding:28px 0 18px}.site-footer-legal{flex-direction:column;align-items:flex-start}.auth-card{padding:22px 18px;border-radius:14px}}