:root{--primary:#7c6ff7;--primary-hover:#8b7dff;--primary-light:#1e1a3a;--success:#10b981;--danger:#ef4444;--warning:#f59e0b;--bg:#0d0d0d;--surface:#1a1a1a;--surface-alt:#141414;--border:#2a2a2a;--text:#e8e8e8;--text-secondary:#999;--text-muted:#666;--shadow:0 1px 3px #0003;--shadow-lg:0 4px 16px #0000004d;--radius:8px;--radius-sm:6px;--sidebar-w:260px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{color:var(--text);background:var(--bg);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans SC,sans-serif;line-height:1.6}a{color:var(--primary);text-decoration:none}.app-layout{min-height:100vh;display:flex}.sidebar{width:var(--sidebar-w);background:var(--surface);border-right:1px solid var(--border);z-index:50;flex-direction:column;display:flex;position:fixed;top:0;bottom:0;left:0}.sidebar-logo{color:var(--primary);border-bottom:1px solid var(--border);align-items:center;gap:8px;padding:20px;font-size:18px;font-weight:700;display:flex}.sidebar-logo .icon{font-size:24px}.sidebar-nav{flex:1;padding:12px;overflow-y:auto}.sidebar-nav .nav-item{border-radius:var(--radius-sm);cursor:pointer;color:var(--text-secondary);align-items:center;gap:10px;margin-bottom:2px;padding:10px 14px;font-size:14px;font-weight:500;transition:all .15s;display:flex}.sidebar-nav .nav-item:hover{background:var(--bg);color:var(--text)}.sidebar-nav .nav-item.active{background:var(--primary-light);color:var(--primary)}.sidebar-nav .nav-divider{text-transform:uppercase;color:var(--text-muted);letter-spacing:.05em;padding:16px 14px 8px;font-size:11px;font-weight:600}.sidebar-user{border-top:1px solid var(--border);cursor:pointer;align-items:center;gap:10px;padding:14px;display:flex}.sidebar-user 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var(--border);justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:16px;display:flex}.card-header h2{font-size:17px;font-weight:600}.btn{border-radius:var(--radius-sm);cursor:pointer;white-space:nowrap;border:1px solid #0000;justify-content:center;align-items:center;gap:6px;padding:8px 18px;font-family:inherit;font-size:14px;font-weight:500;transition:all .15s;display:inline-flex}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-outline{background:var(--surface);border-color:var(--border);color:var(--text)}.btn-outline:hover{background:var(--bg)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#dc2626}.btn-success{background:var(--success);color:#fff}.btn-success:hover{background:#059669}.btn-sm{padding:5px 12px;font-size:12px}.btn-lg{padding:12px 28px;font-size:16px}.btn:disabled{opacity:.5;cursor:not-allowed}.form-group{margin-bottom:8px}.form-group 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.15s}.form-tab:hover{color:var(--text)}.form-tab.active{color:var(--primary);border-bottom-color:var(--primary)}.profile-nav-item{border-radius:var(--radius-sm);cursor:pointer;color:var(--text-secondary);align-items:center;gap:8px;margin-bottom:2px;padding:11px 16px;font-size:14px;font-weight:500;transition:all .15s;display:flex}.profile-nav-item:hover{background:var(--bg);color:var(--text)}.profile-nav-item.active{background:var(--primary-light);color:var(--primary)}.auth-page{background:linear-gradient(135deg,#1a1a2e 0%,#16213e 100%);justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.auth-card{background:var(--surface);width:100%;max-width:420px;box-shadow:var(--shadow-lg);border-radius:14px;padding:36px}.auth-card .auth-logo{text-align:center;color:var(--primary);margin-bottom:8px;font-size:28px;font-weight:700}.auth-card .auth-subtitle{text-align:center;color:var(--text-muted);margin-bottom:28px;font-size:13px}.auth-card 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a{color:var(--text-secondary);padding:4px 0;font-size:13px;transition:color .15s;display:block}.home-footer-col a:hover{color:var(--text)}.home-footer-bottom{border-top:1px solid var(--border);text-align:center;max-width:1200px;margin:0 auto;padding:20px 0}.home-footer-bottom p{color:var(--text-muted);font-size:12px}@media (width<=768px){.home-nav-inner{padding:0 16px}.home-nav-links{display:none}.home-hero{padding:56px 20px 0}.home-hero-title{font-size:32px}.home-hero-sub{font-size:15px}.home-hero-actions{flex-direction:column;align-items:center}.home-section{padding:64px 20px}.home-features-grid{grid-template-columns:repeat(2,1fr)}.home-steps{flex-direction:column;align-items:center}.home-step-arrow{padding-top:0;transform:rotate(90deg)}.home-cta{padding:64px 20px}.home-footer-inner{flex-direction:column;gap:32px}.home-footer-links{gap:32px}}