:root{--primary-bg: #0B0F1A;--secondary-bg: #05070D;--card-bg: #121826;--card-bg-alt: #141B2D;--border-color: #1E293B;--text-primary: #FFFFFF;--text-secondary: #9CA3AF;--text-muted: #6B7280;--accent: #3B82F6;--accent-hover: #2563EB;--accent-light: #60A5FA;--like-color: #EF4444;--success: #22C55E;--warning: #F59E0B;--notification-red: #EF4444;--card-shadow: rgba(0, 0, 0, .25);--danger: #EF4444}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{width:100%;height:100%;background:var(--primary-bg);margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;background:linear-gradient(135deg,var(--primary-bg) 0%,var(--secondary-bg) 100%);color:var(--text-primary);-webkit-font-smoothing:antialiased;width:100%;height:100%;overflow:hidden}.app{display:flex;flex-direction:column;width:100%;height:100vh;background:linear-gradient(135deg,var(--primary-bg) 0%,var(--secondary-bg) 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.2s;color:var(--text-primary);padding:4px;border-radius:0;display:flex;align-items:center;justify-content:center}.icon-btn:hover{filter:brightness(1.3);transform:scale(1.15)}.notification-badge{position:absolute;width:20px;height:20px;background:var(--notification-red);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;top:-8px;right:-8px}.icon-btn-relative{position:relative}.feed{padding:16px;max-width:600px;margin:0 auto;display:flex;flex-direction:column;gap:16px}.post-card{background:var(--card-bg);border-radius:16px;padding:16px;border:1px solid var(--border-color);transition:all .3s ease;box-shadow:0 4px 12px var(--card-shadow)}.post-card:hover{border-color:var(--accent);box-shadow:0 8px 24px #3b82f626}.post-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12px;gap:12px}.post-user{display:flex;gap:12px;flex:1}.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#06b6d4);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;box-shadow:0 4px 12px var(--card-shadow);overflow:hidden}.user-info{display:flex;flex-direction:column;gap:4px}.user-name{font-weight:600;font-size:14px;color:var(--text-primary);display:flex;align-items:center;gap:4px}.timestamp{font-size:12px;color:var(--text-secondary)}.post-menu{background:none;border:none;font-size:20px;cursor:pointer;color:var(--text-secondary);transition:color .2s}.post-menu:hover{color:var(--text-primary)}.connect-btn{background:var(--accent);border:none;color:#fff;padding:6px 14px;border-radius:20px;font-size:12px;font-weight:600;cursor:pointer;transition:all .2s;white-space:nowrap;box-shadow:0 4px 12px 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var(--border-color)}.chat-item:hover{background:var(--card-bg-alt);border-color:var(--accent);n}.chat-avatar{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#06b6d4);display:flex;align-items:center;justify-content:center;font-size:24px;flex-shrink:0;overflow:hidden}.chat-info{flex:1;display:flex;flex-direction:column;gap:4px}.chat-name{font-weight:600;color:var(--text-primary)}.chat-preview{font-size:13px;color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sathi-container{display:flex;flex-direction:column;gap:0;min-height:100%}.sathi-header{text-align:center;margin-bottom:16px;padding:16px}.sathi-title{font-size:24px;font-weight:700;margin-bottom:8px;color:var(--text-primary)}.sathi-subtitle{font-size:13px;color:var(--text-secondary)}.chat-messages{flex:1;display:flex;flex-direction:column;gap:12px;max-height:400px;overflow-y:auto;margin-bottom:16px;padding:0 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