:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--primary: #6366f1;--primary-hover: #4f46e5;--primary-light: rgba(99, 102, 241, .1);--primary-glow: rgba(99, 102, 241, .3);--bg-main: #f8fafc;--bg-card: #ffffff;--bg-dark: #0f172a;--bg-dark-secondary: #1e293b;--bg-dark-tertiary: #334155;--border: #e2e8f0;--border-dark: #475569;--text-primary: #0f172a;--text-secondary: #64748b;--text-muted: #94a3b8;--text-white: #ffffff;--success: #10b981;--success-light: rgba(16, 185, 129, .1);--warning: #f59e0b;--danger: #ef4444;--danger-light: rgba(239, 68, 68, .1);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, .25);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .35s ease}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe 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h4{font-size:.95rem;font-weight:600;margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.plan-badge{display:inline-flex;align-items:center;gap:4px;font-size:.75rem;padding:4px 10px;border-radius:var(--radius-full);font-weight:500}.plan-badge.free{background:var(--primary-light);color:var(--primary)}.plan-badge.pro{background:linear-gradient(135deg,var(--primary),#a855f7);color:#fff}.logout-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:1.1rem;padding:8px;border-radius:var(--radius-sm);transition:var(--transition-fast)}.logout-btn:hover{color:var(--danger);background:var(--danger-light)}.login-btn{width:100%;background:var(--bg-card);color:var(--text-primary);border:none;padding:14px 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p:last-child{margin-bottom:0}.bubble-content ul,.bubble-content ol{margin:12px 0;padding-left:24px}.bubble-content li{margin-bottom:6px}.bubble-content code{background:#0000000d;padding:2px 6px;border-radius:4px;font-size:.9em}.bubble-content pre{background:var(--bg-dark);color:var(--text-white);padding:16px;border-radius:var(--radius-sm);overflow-x:auto;margin:12px 0}.bubble-content pre code{background:none;padding:0}.chat-row.ai .chat-bubble{background:var(--bg-main);border:1px solid var(--border);border-bottom-left-radius:4px;color:var(--text-primary)}.chat-row.user .chat-bubble{background:linear-gradient(135deg,var(--primary),#4f46e5);color:#fff;border-bottom-right-radius:4px;box-shadow:0 4px 15px var(--primary-glow)}.chat-row.user .bubble-content code{background:#fff3}.bubble-actions{display:flex;gap:8px;padding:8px 16px 12px;opacity:0;transition:var(--transition-fast)}.chat-bubble:hover 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p{color:var(--text-secondary);font-size:.95rem}.lock-icon{width:72px;height:72px;background:linear-gradient(135deg,var(--primary-light),rgba(168,85,247,.1));color:var(--primary);border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:1.8rem}.pricing-tier-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.pricing-card{padding:24px 20px;border:2px solid var(--border);border-radius:var(--radius-lg);position:relative;display:flex;flex-direction:column;gap:8px;transition:var(--transition-fast);text-align:left}.pricing-card:hover{border-color:var(--text-muted)}.pricing-card.featured{border-color:var(--primary);background:linear-gradient(180deg,var(--primary-light) 0%,transparent 100%)}.pricing-icon{width:40px;height:40px;background:var(--bg-main);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:1.2rem;margin-bottom:8px}.pricing-card.featured .pricing-icon{background:var(--primary);color:#fff}.pricing-card h3{font-size:.85rem;color:var(--text-secondary);font-weight:500}.pricing-card .price{font-size:1.5rem;font-weight:800;color:var(--text-primary)}.pricing-card .credits{font-size:.85rem;color:var(--success);font-weight:600}.features-list{list-style:none;margin-top:12px;font-size:.8rem;color:var(--text-secondary)}.features-list li{display:flex;align-items:center;gap:6px;margin-bottom:6px}.features-list svg{color:var(--success);font-size:.7rem}.badge{position:absolute;top:-12px;left:50%;transform:translate(-50%);background:linear-gradient(135deg,var(--primary),#a855f7);color:#fff;font-size:.7rem;padding:6px 14px;border-radius:var(--radius-full);font-weight:700;white-space:nowrap;text-transform:uppercase;letter-spacing:.5px}.payment-form{background:var(--bg-main);padding:24px;border-radius:var(--radius-lg);text-align:left;border:1px solid var(--border)}.payment-form label{display:flex;align-items:center;gap:8px;font-size:.9rem;color:var(--text-secondary);font-weight:500;margin-bottom:12px}.mpesa-number{display:flex;align-items:center;justify-content:space-between;background:var(--bg-card);padding:14px 18px;border-radius:var(--radius-sm);border:1px solid var(--border);margin-bottom:16px}.mpesa-number span{color:var(--text-secondary);font-size:.9rem}.mpesa-number strong{color:var(--text-primary);font-size:1.1rem;font-weight:700;letter-spacing:1px}.payment-form input{width:100%;padding:16px;border:2px solid var(--border);border-radius:var(--radius-md);font-size:1rem;margin-bottom:16px;transition:var(--transition-fast);background:var(--bg-card)}.payment-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-light)}.payment-form 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var(--border);color:var(--text-primary)}.chat-bubble tr:last-child td{border-bottom:none}.chat-bubble tr:hover td{background:var(--bg-main)}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:768px){.sidebar{position:fixed;left:0;top:0;bottom:0;transform:translate(-100%);box-shadow:none;width:300px}.sidebar.open{transform:translate(0);box-shadow:20px 0 50px #00000080}.sidebar-overlay{display:block}.mobile-close-btn,.hamburger-btn{display:flex}.top-bar{padding:12px 16px}.app-title{font-size:1rem}.export-btn span{display:none}.export-btn{padding:10px}.chat-container{padding:20px 16px}.chat-bubble{max-width:90%}.bubble-content{padding:14px 18px}.bubble-actions{opacity:1;padding:6px 12px 10px;flex-wrap:wrap}.action-btn span{display:none}.action-btn{padding:8px 10px}.input-area{padding:16px}.input-pill{padding:6px 6px 6px 18px}.send-btn{width:42px;height:42px}.input-hint{display:none}.empty-features{flex-direction:column;gap:16px}.paywall-modal{padding:28px 20px;margin:10px;max-height:90vh;overflow-y:auto}.pricing-tier-grid{grid-template-columns:1fr}.pricing-card{text-align:center}.pricing-icon{margin:0 auto 8px}}@media(max-width:400px){.sidebar{width:100%}.chat-bubble{max-width:95%}.bubble-content{padding:12px 14px;font-size:.9rem}}.chat-row.user .chat-bubble table{background:#ffffff1a;border-color:#fff3}.chat-row.user .chat-bubble th{background:#fff3}.chat-row.user .chat-bubble td{border-color:#ffffff1a;color:#fff}@media(max-width:600px){.bubble-content{overflow-x:auto}.chat-bubble table{display:block;overflow-x:auto;white-space:nowrap}}