:root{--bg-light:#f8f9fa;--panel-bg:#ffffff;--text-main:#111827;--text-muted:#6b7280;--border-color:#e5e7eb;--hover-outline:#9ca3af;--btn-bg:#1f2937;--btn-text:#ffffff;--accent-blue:#0284c7;--accent-green:#10b981}*{box-sizing:border-box}body{margin:0;font-family:Roboto,-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif;background-color:var(--bg-light);color:var(--text-main);height:100vh;overflow:hidden}#loading-overlay{position:fixed;top:0;left:0;width:100%;height:100vh;background-color:#ffffff;z-index:9999;opacity:1;visibility:visible;transition:opacity .5s ease,visibility .5s ease}#loading-overlay.loaded{opacity:0;visibility:hidden}#app-container{width:100%;height:100vh;display:flex;overflow:hidden}.app-inner{display:flex;width:100%;height:100%;min-height:0}.sidebar{width:260px;flex-shrink:0;background:#ffffff;border-right:1px solid var(--border-color);padding:24px 20px 0;box-sizing:border-box;display:flex;flex-direction:column;z-index:100;height:100vh;position:sticky;top:0}.logo-brand{font-size:24px;font-weight:700;color:#000000;margin-bottom:32px;letter-spacing:-.5px;display:flex;align-items:center;text-decoration:none}.logo-img{height:36px;width:auto;display:block;-o-object-fit:contain;object-fit:contain}.nav-list{flex-direction:column}.nav-btn,.nav-list{display:flex;width:100%}.nav-btn{align-items:center;gap:12px;padding:12px 16px;margin-bottom:8px;background:transparent;color:var(--text-muted);font-size:14px;font-weight:500;text-align:left;border-radius:0;text-decoration:none;box-sizing:border-box;transition:background-color .15s,color .15s}.nav-btn.active,.nav-btn:hover{background:#f3f4f6;color:var(--text-main)}.btn-logout-nav{margin-top:8px;background:#fef2f2;color:#991b1b;text-align:center;border:none;justify-content:center}.nav-list .nav-btn i{display:none}.menu-img-container{width:260px;margin-top:auto;margin-left:-20px;margin-right:-20px;display:none;justify-content:center;align-items:flex-end}.menu-img-container img{width:100%;height:auto;image-rendering:pixelated;display:block}.main-content{flex:1;min-height:0;padding:40px;display:flex;align-items:flex-start;gap:40px;overflow-y:auto;box-sizing:border-box}.left-column{flex:1;flex-basis:0;min-width:0}.right-column{width:400px;flex-shrink:0;background:#ffffff;padding:24px;border-radius:8px;border:1px solid var(--border-color);height:-moz-fit-content;height:fit-content;box-shadow:0 1px 3px 0 rgba(0,0,0,.1);position:sticky;top:40px;align-self:flex-start;box-sizing:border-box}.right-column h3{font-size:22px;margin-bottom:20px}.right-column h3,h2{margin-top:0;font-weight:700;letter-spacing:-.5px}h2{font-size:28px;color:var(--text-main);margin-bottom:8px}.page-subtitle{color:var(--text-muted);font-size:15px;line-height:1.45;margin:0 0 20px}.invite-how-card,.invite-link-card{background:#ffffff;border:1px solid var(--border-color);border-radius:0;padding:22px 24px 20px;margin-bottom:20px;box-shadow:0 1px 3px 0 rgba(0,0,0,.05)}.invite-share-hint{margin:0 0 14px;font-size:14px;font-weight:500;color:var(--text-muted);line-height:1.45}.invite-link-label{display:flex;align-items:center;font-size:14px;font-weight:700;color:var(--text-main);margin-bottom:12px}.ref-box-wrapper{position:relative;display:flex;align-items:center;background:#f9fafb;border:1px solid var(--border-color);border-radius:0;padding:12px 14px;margin-bottom:16px}.ref-box{width:100%;word-break:break-all;font-family:ui-monospace,SFMono-Regular,SF Pro Text,sans-serif;color:var(--accent-blue);font-size:13px;font-weight:500;line-height:1.4}.invite-link-actions{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.copy-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0;border:none;border-radius:0;background:transparent;color:#111827;font-size:14px;font-weight:600;cursor:pointer;width:auto;box-shadow:none;outline:none;-webkit-user-select:none;-moz-user-select:none;user-select:none}.copy-btn.copied,.copy-btn:active,.copy-btn:hover{background:transparent;border:none;color:#111827;transform:none}.share-buttons-group{display:flex;gap:10px;flex-shrink:0}.share-social-btn{width:44px;height:44px;background:transparent;border:none;border-radius:0;display:flex;align-items:center;justify-content:center;font-size:22px;cursor:pointer;text-decoration:none}.share-social-btn:hover{background:transparent;border:none;transform:none}.share-social-btn.tg{color:#26a5e4}.share-social-btn.wa{color:#25d366}.invite-how-title{margin:0 0 14px;font-size:18px;font-weight:800;letter-spacing:-.3px;color:#0f172a}.invite-how-list{margin:0;padding-left:20px;color:var(--text-muted);font-size:14px;line-height:1.55}.invite-how-list li{margin-bottom:10px}.invite-how-list li:last-child{margin-bottom:0}.invite-premium-highlight{color:#059669;font-weight:700}.page-bottom-links{margin-top:28px;padding-top:8px;padding-bottom:16px;flex-shrink:0}.ad-contact-link{display:inline-flex;align-items:center;padding:0;background:transparent;color:#111827;border:none;border-radius:0;font-size:13px;font-weight:600;text-decoration:underline;width:-moz-fit-content;width:fit-content;box-shadow:none}.ad-contact-link:hover{background:transparent;color:#000000;border:none}.streak-card{border:1px solid var(--border-color);border-radius:12px;padding:16px;margin-bottom:20px}.streak-header{display:flex;justify-content:space-between;align-items:center}.streak-title{font-size:15px;font-weight:500}.streak-value-container{display:flex;align-items:center;gap:6px;font-size:24px;font-weight:700}.info-card{border:1px solid var(--border-color);border-radius:12px;padding:16px;margin-bottom:20px;display:flex;justify-content:space-between;align-items:center}.info-label-group{display:flex;flex-direction:column;gap:4px}.info-title{font-size:14px;font-weight:500}.info-value{font-size:13px;color:var(--text-muted)}.info-value.premium-active{color:#059669;font-weight:600}.buy-btn{background-color:#f3f4f6;color:#0284c7;padding:6px 16px;border-radius:6px;text-decoration:none;font-size:13px;font-weight:600;transition:background-color .15s}.buy-btn:hover{background-color:#dbeafe}.prem-link-block{flex-direction:column;align-items:flex-start}.prem-link-block,.prem-link-btn{display:flex;gap:10px;width:100%;box-sizing:border-box}.prem-link-btn{align-items:center;justify-content:center;background:#002664;color:#ffffff;padding:14px;border-radius:6px;text-decoration:none;font-size:15px;font-weight:600;border:1px solid #002664;box-shadow:none}.prem-link-btn:hover{background:#002664;color:#ffffff;border-color:var(--hover-outline);opacity:1}.prem-free-link{display:inline-flex;font-size:13px;font-weight:600;color:#111827;text-decoration:underline;background:none;border:none;padding:0;cursor:pointer}.prem-free-link:hover{color:#000000}.motivation-btn{display:inline-flex;align-items:center;gap:8px;margin-top:16px;padding:8px 14px;background:#ffffff;color:#111827;border:1px solid var(--border-color);border-radius:8px;font-size:13px;font-weight:600;text-decoration:none;width:-moz-fit-content;width:fit-content;box-shadow:none}.motivation-btn i{color:#111827!important}.motivation-btn:hover{background:#f9fafb;color:#111827;border-color:#9ca3af}.motivation-btn:hover i{color:#111827!important}@media (max-width:1024px){body{height:auto;overflow-y:auto}#app-container{height:auto;overflow:visible}.app-inner{flex-direction:column;height:auto}.sidebar{width:100%;height:auto;position:sticky;top:0;border-right:none;border-bottom:1px solid var(--border-color);padding:16px 16px 12px;box-shadow:0 2px 8px rgba(0,0,0,.05)}.sidebar .logo-brand{margin-bottom:12px;font-size:20px}.nav-list{flex-direction:row;gap:18px;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch}.nav-list::-webkit-scrollbar{display:none}.nav-btn{width:auto;white-space:nowrap;margin-bottom:0;padding:8px 14px;font-size:13px;flex-shrink:0;position:relative}.btn-logout-nav{margin-top:0}.menu-img-container{display:none}.main-content{flex-direction:column;padding:24px 20px;gap:24px;overflow-y:visible}.right-column{width:100%;position:static}}@media (max-width:640px){.main-content{padding:16px}.invite-link-actions{align-items:flex-start}.invite-how-card,.invite-link-card{padding:18px 16px}}@media (max-width:1024px){.nav-list .nav-btn:not(:last-child):after{content:"|";position:absolute;right:-12px;top:50%;transform:translateY(-50%);color:#9ca3af;font-weight:400;pointer-events:none;line-height:1}}