.upgrade-page{background:var(--background-color);box-sizing:border-box;width:100%;max-width:1200px;margin:0 auto;padding:40px 20px;overflow-x:hidden}.page-header{text-align:center;max-width:100%;margin-bottom:50px}.page-title{background:linear-gradient(135deg,var(--primary-color),#ff6b35);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:15px;font-size:2.8rem;font-weight:700}.page-description{color:var(--text-color-secondary);max-width:700px;margin:0 auto;padding:0 15px;font-size:1.2rem;line-height:1.6}.api-key-notice{box-sizing:border-box;background:linear-gradient(135deg,rgba(239,68,68,.1),rgba(220,38,38,.15));border:2px solid rgba(239,68,68,.3);border-radius:12px;max-width:700px;margin:20px auto 0;padding:15px 25px;font-size:14px}.plans-container{box-sizing:border-box;grid-template-columns:repeat(auto-fit,minmax(min(320px,100%),1fr));gap:20px;width:100%;max-width:1100px;margin-top:40px;margin-left:auto;margin-right:auto;padding:0;display:grid}.plan-card{box-sizing:border-box;border-radius:16px;flex-direction:column;width:100%;padding:30px 24px;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;position:relative;overflow:hidden;color:#1a1a2e!important;background:#fff!important;border:2px solid #e2e8f0!important;box-shadow:0 4px 20px rgba(0,0,0,.08)!important}.plan-card:hover{transform:translateY(-5px);border-color:var(--primary-color)!important;box-shadow:0 12px 40px rgba(138,63,252,.3)!important}.plan-card.premium{border-width:3px;border-color:var(--primary-color)!important;color:#fff!important;background:linear-gradient(135deg,#1a1a2e 0%,#16213e 100%)!important;box-shadow:0 8px 40px rgba(138,63,252,.4)!important}.plan-card.premium:hover{transform:translateY(-5px);box-shadow:0 12px 50px rgba(138,63,252,.5)!important}.plan-card.disabled{opacity:.6;filter:grayscale(30%);pointer-events:none}.most-popular-ribbon{color:#fff;text-transform:uppercase;letter-spacing:1px;z-index:10;background:linear-gradient(135deg,#ff6b35,#f7931e);border-radius:0 14px 0 20px;padding:6px 20px 6px 30px;font-size:11px;font-weight:800;position:absolute;top:-2px;right:-2px;box-shadow:0 4px 15px rgba(255,107,53,.4)}.most-popular-ribbon span{display:block}.plan-header{text-align:center;border-bottom:1px solid rgba(138,63,252,.2);margin-bottom:20px;padding-bottom:20px}.plan-header h3{letter-spacing:.5px;text-transform:uppercase;margin:0 0 15px;font-size:1.3rem;font-weight:700;color:inherit!important}.plan-price{color:var(--primary-color);justify-content:center;align-items:baseline;gap:6px;margin:0;font-size:2.2rem;font-weight:900;line-height:1;display:flex}.plan-price span{color:#a0a0b0;font-size:.9rem;font-weight:500}.plan-savings{color:#10b981;background:rgba(16,185,129,.15);border:1px solid rgba(16,185,129,.3);border-radius:20px;margin-top:12px;padding:5px 14px;font-size:.85rem;font-weight:700;display:inline-block}.features-list{flex-grow:1;margin:0 0 25px;padding:0;list-style:none}.features-list li{-webkit-font-smoothing:antialiased;align-items:flex-start;gap:10px;margin-bottom:12px;font-size:.95rem;font-weight:500;line-height:1.5;display:flex;color:inherit!important}.features-list li:before{content:"✓";color:#10b981;background:rgba(16,185,129,.15);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:20px;height:20px;font-size:1rem;font-weight:900;line-height:1;display:flex}.plan-footer{margin-top:auto;padding-top:10px}.plan-footer .btn-primary,.plan-footer .btn-secondary{text-transform:uppercase;letter-spacing:.8px;cursor:pointer;border:2px solid transparent;border-radius:10px;width:100%;padding:16px 24px;font-size:1rem;font-weight:700;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.plan-footer .btn-secondary{color:#1a1a2e;background:#f1f5f9;border-color:#e2e8f0}.plan-footer .btn-secondary:hover:not(:disabled){background:linear-gradient(135deg,var(--primary-color),#9f5fff);border-color:var(--primary-color);color:#fff;transform:translateY(-2px);box-shadow:0 6px 20px rgba(138,63,252,.4)}.plan-footer .btn-primary{background:linear-gradient(135deg,var(--primary-color),#9f5fff);color:#fff;border-color:transparent;box-shadow:0 4px 15px rgba(138,63,252,.4)}.plan-footer .btn-primary:hover:not(:disabled){background:linear-gradient(135deg,#9f5fff,var(--primary-color));transform:translateY(-2px);box-shadow:0 8px 30px rgba(138,63,252,.6)}.plan-footer .btn-primary.current-plan{background:linear-gradient(135deg,#10b981,#059669);border-color:transparent;box-shadow:0 4px 15px rgba(16,185,129,.4)}.plan-card.premium .btn-primary{color:#1a1a2e;background:linear-gradient(135deg,#fbbf24,#f59e0b);border-color:transparent;font-weight:800;box-shadow:0 6px 25px rgba(251,191,36,.5)}.plan-card.premium .btn-primary:hover:not(:disabled){background:linear-gradient(135deg,#fcd34d,#fbbf24);transform:translateY(-2px);box-shadow:0 10px 35px rgba(251,191,36,.6)}.plan-footer button[disabled]{cursor:not-allowed;opacity:.6}.plan-footer button:disabled:hover{box-shadow:none!important;transform:none!important}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.plan-footer button .loading-spinner{vertical-align:middle;border:3px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;width:16px;height:16px;margin-right:8px;animation:.8s linear infinite spin;display:inline-block}@media (max-width:1200px){.upgrade-page{padding:30px 20px}.plans-container{gap:20px}.page-title{font-size:2.3rem}}@media (max-width:991px){.upgrade-page{padding:25px 15px}.plans-container{grid-template-columns:repeat(auto-fit,minmax(min(280px,100%),1fr));gap:18px}.page-title,.plan-price{font-size:2rem}.plan-card{padding:28px 22px}}@media (max-width:768px){.upgrade-page{padding:20px 15px}.plans-container{grid-template-columns:1fr;gap:20px;margin-top:30px}.plan-card{padding:28px 22px}.page-header{margin-bottom:35px}.page-title{font-size:1.8rem}.page-description{padding:0 10px;font-size:1rem}.api-key-notice{max-width:calc(100% - 20px);margin:18px auto 0;padding:12px 18px;font-size:13px}.api-key-notice strong{font-size:13px}}@media (max-width:480px){.upgrade-page{padding:15px 10px}.plans-container{gap:15px}.plan-card{border-radius:14px;padding:24px 18px}.page-header{margin-bottom:30px}.page-title{font-size:1.6rem;line-height:1.2}.page-description{padding:0 5px;font-size:.95rem;line-height:1.5}.api-key-notice{border-radius:10px;max-width:calc(100% - 10px);margin:15px auto 0;padding:12px 15px;font-size:12px}.api-key-notice strong{font-size:12px}.api-key-notice p{font-size:12px;line-height:1.5}.api-key-notice span{font-size:18px}.plan-price{font-size:1.8rem}.plan-header h3{font-size:1.2rem}.features-list li{margin-bottom:10px;font-size:.9rem}.features-list li:before{width:18px;height:18px;font-size:.9rem}.plan-footer .btn-primary,.plan-footer .btn-secondary{letter-spacing:.5px;border-radius:10px;padding:14px 18px;font-size:.9rem}.most-popular-ribbon{padding:5px 16px 5px 24px;font-size:10px}}