:root{--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";--color-bg:#f7f9fc;--color-surface:#ffffff;--color-text-primary:#1a1f36;--color-text-secondary:#697386;--color-accent:#635bff;--color-accent-hover:#544dc9;--color-border:#e6ebf1;--color-success-bg:#dcfce7;--color-success-text:#166534;--color-warning-bg:#fef9c3;--color-warning-text:#854d0e}*{box-sizing:border-box}body,html{margin:0;padding:0;font-family:var(--font-sans);background-color:var(--color-bg);color:var(--color-text-primary);-webkit-font-smoothing:antialiased;height:100%}.stripe-layout{display:flex;min-height:100vh;flex-direction:column}@media (min-width:768px){.stripe-layout{flex-direction:row}}.product-section{flex:1 1;padding:40px;background-color:var(--color-bg);border-right:1px solid var(--color-border);display:flex;flex-direction:column;justify-content:center;align-items:center}.product-content{max-width:400px;width:100%}.product-header{margin-bottom:32px}.product-title{font-size:24px;font-weight:600;color:var(--color-text-primary);margin:0 0 8px}.product-description{font-size:16px;color:var(--color-text-secondary);line-height:1.5}.price-tag{font-size:32px;font-weight:700;color:var(--color-text-primary);margin-top:24px}.price-sub{font-size:14px;color:var(--color-text-secondary);font-weight:400}.payment-section{flex:1 1;padding:40px;background-color:var(--color-surface);display:flex;flex-direction:column;justify-content:center;align-items:center}.payment-container{width:100%;max-width:400px}.section-title{font-size:18px;font-weight:500;margin-bottom:24px;color:var(--color-text-primary)}.phases-list{list-style:none;padding:0;margin:0 0 32px;width:100%}.phase-item{display:flex;justify-content:space-between;align-items:center;padding:16px 0;border-bottom:1px solid var(--color-border)}.phase-item:last-child{border-bottom:none}.phase-info{display:flex;flex-direction:column}.phase-name{font-size:14px;font-weight:500;color:var(--color-text-primary)}.phase-date{font-size:12px;color:var(--color-text-secondary);margin-top:4px}.phase-amount{font-size:14px;font-weight:600;color:var(--color-text-primary)}.badge{display:inline-flex;align-items:center;padding:4px 12px;border-radius:9999px;font-size:12px;font-weight:500;margin-bottom:16px}.badge-success{background-color:var(--color-success-bg);color:var(--color-success-text)}.badge-warning{background-color:var(--color-warning-bg);color:var(--color-warning-text)}.btn-primary{display:inline-flex;justify-content:center;align-items:center;width:100%;padding:12px 24px;background-color:var(--color-accent);color:white;border:none;border-radius:4px;font-size:16px;font-weight:500;cursor:pointer;transition:background-color .2s;text-decoration:none;box-shadow:0 1px 2px 0 rgba(0,0,0,.05)}.btn-primary:hover{background-color:var(--color-accent-hover)}.btn-primary:disabled{opacity:.7;cursor:not-allowed}.back-link{margin-top:24px;font-size:14px;color:var(--color-text-secondary);text-decoration:none}.back-link:hover{color:var(--color-text-primary)}.success-message{background-color:var(--color-success-bg);color:var(--color-success-text);padding:16px;border-radius:6px;margin-bottom:24px;font-size:14px}.subscription-active-card{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:12px;padding:40px 32px;text-align:center;box-shadow:0 4px 12px rgba(0,0,0,.05);max-width:100%;width:100%;display:flex;flex-direction:column;align-items:center}.subscription-active-icon{width:64px;height:64px;background-color:var(--color-success-bg);color:var(--color-success-text);border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:24px}.subscription-active-icon svg{width:32px;height:32px;stroke-width:3}.subscription-active-title{font-size:20px;font-weight:600;color:var(--color-text-primary);margin:0 0 12px}.subscription-active-text{font-size:15px;color:var(--color-text-secondary);line-height:1.6;margin:0}