.button-base{display:inline-flex;align-items:center;justify-content:center;font-weight:600;border-radius:12px;border:none;cursor:pointer;transition:all .3s ease;text-decoration:none;font-family:inherit;line-height:inherit;text-align:center;vertical-align:middle;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;box-sizing:border-box}.button-base:hover{transform:translateY(-2px)}.button-base:active{transform:translateY(0)}.button-base:disabled{opacity:.6;cursor:not-allowed;transform:none}.button-small{padding:.5rem 1rem;font-size:.875rem;min-height:2rem}.button-medium{padding:.75rem 1.5rem;font-size:1rem;min-height:2.5rem}.button-large{padding:1rem 2rem;font-size:1.125rem;min-height:3rem}.button-xl{padding:1.25rem 2.5rem;font-size:1.25rem;min-height:3.5rem}.button-primary{background:#3182ce;color:white;box-shadow:0 4px 6px rgba(49,130,206,.2)}.button-primary:hover:not(:disabled){background:#2c5aa0;box-shadow:0 8px 25px rgba(49,130,206,.3)}.button-secondary{background:white;color:#3182ce;border:2px solid #3182ce;box-shadow:0 4px 6px rgba(0,0,0,.1)}.button-secondary:hover:not(:disabled){background:#f7fafc;box-shadow:0 8px 25px rgba(0,0,0,.15)}.button-accent{background:linear-gradient(135deg,#667eea,#764ba2);color:white;box-shadow:0 4px 6px rgba(102,126,234,.2)}.button-accent:hover:not(:disabled){box-shadow:0 8px 25px rgba(102,126,234,.3)}.button-success{background:#38a169;color:white;box-shadow:0 4px 6px rgba(56,161,105,.2)}.button-success:hover:not(:disabled){background:#2f855a;box-shadow:0 8px 25px rgba(56,161,105,.3)}.button-warning{background:#ed8936;color:white;box-shadow:0 4px 6px rgba(237,137,54,.2)}.button-warning:hover:not(:disabled){background:#dd6b20;box-shadow:0 8px 25px rgba(237,137,54,.3)}.button-danger{background:#e53e3e;color:white;box-shadow:0 4px 6px rgba(229,62,62,.2)}.button-danger:hover:not(:disabled){background:#c53030;box-shadow:0 8px 25px rgba(229,62,62,.3)}.button-cta{background:linear-gradient(135deg,#667eea,#764ba2);color:white;box-shadow:0 8px 25px rgba(102,126,234,.3);font-weight:700;letter-spacing:.025em}.button-cta:hover:not(:disabled){box-shadow:0 12px 35px rgba(102,126,234,.4);transform:translateY(-3px)}.button-outline{background:transparent;color:inherit;border:2px solid;box-shadow:none}.button-outline:hover:not(:disabled){background:currentColor;color:white;box-shadow:0 4px 6px rgba(0,0,0,.1)}@media (prefers-color-scheme:dark){.button-secondary{background:#1a202c;color:#63b3ed;border-color:#63b3ed}.button-secondary:hover:not(:disabled){background:#2d3748}.button-outline{color:#e2e8f0;border-color:#e2e8f0}.button-outline:hover:not(:disabled){background:#e2e8f0;color:#1a202c}}@media (max-width:768px){.button-large{padding:.875rem 1.75rem;font-size:1rem;min-height:2.75rem}.button-xl{padding:1rem 2rem;font-size:1.125rem;min-height:3rem}}@media (max-width:480px){.button-medium{padding:.625rem 1.25rem;font-size:.875rem;min-height:2.25rem}.button-large{padding:.75rem 1.5rem;font-size:.875rem;min-height:2.5rem}.button-xl{padding:.875rem 1.75rem;font-size:1rem;min-height:2.75rem}}