:root{--blue-sky:#4ea4fb;--blue-royal:#0052cc;--blue-mid:#2196f3;--blue-light:#83c4f8;--blue-dark:#003380;--primary:var(--blue-sky);--primary-light:var(--blue-light);--primary-dark:var(--blue-royal);--background:linear-gradient(180deg,#4ea4fb,#0052cc);--surface:rgba(0,51,128,.4);--surface-hover:rgba(0,51,128,.6);--text-primary:#fff;--text-secondary:#e0e0e0;--text-inverse:#003380;--border:hsla(0,0%,100%,.2);--shadow:rgba(0,0,0,.2);--success:#00e676;--error:#ff1744;--warning:#ffc400;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:16px;--spacing-lg:24px;--spacing-xl:32px;--radius-sm:8px;--radius-md:12px;--radius-lg:20px;--radius-full:9999px;--text-xs:0.75rem;--text-sm:0.875rem;--text-base:1rem;--text-lg:1.125rem;--text-xl:1.25rem;--text-2xl:1.5rem;--text-3xl:2rem}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--background);color:var(--text-primary);line-height:1.5;overflow-x:hidden;min-height:100vh}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;font-family:inherit}.container{max-width:480px;margin:0 auto;padding:var(--spacing-md);min-height:100vh;position:relative;padding-bottom:80px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;border-radius:var(--radius-full);font-weight:600;transition:all .2s ease;font-size:var(--text-base)}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:var(--blue-deep);box-shadow:0 4px 12px rgba(86,161,255,.3)}.btn-primary:active{transform:scale(.98)}.btn-outline{background:transparent;border:1px solid var(--primary);color:var(--primary)}.btn-success{background:var(--success);color:#fff}.btn-error{background:var(--error);color:#fff}.btn-full{width:100%}.input,.select{width:100%;padding:14px;border-radius:var(--radius-md);border:1px solid var(--border);background:hsla(0,0%,100%,.1);color:#fff;font-size:var(--text-base);transition:border-color .2s}.input::placeholder{color:hsla(0,0%,100%,.6)}.input:focus,.select:focus{outline:none;border-color:var(--primary)}.select option{background:var(--blue-royal);color:#fff;padding:12px;font-weight:500}.input-group{margin-bottom:var(--spacing-md)}.input-label{display:block;margin-bottom:var(--spacing-xs);font-size:var(--text-sm);color:var(--text-secondary)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--background)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:var(--radius-full)}.mt-sm{margin-top:var(--spacing-sm)}.mt-md{margin-top:var(--spacing-md)}.mt-lg{margin-top:var(--spacing-lg)}.mt-xl{margin-top:var(--spacing-xl)}.mb-sm{margin-bottom:var(--spacing-sm)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}.mb-xl{margin-bottom:var(--spacing-xl)}