.primary-button{background:linear-gradient(90deg,var(--accent-amber),var(--accent-coral));color:#1a1a1a;border:none;padding:.75rem 2rem;border-radius:12px;cursor:pointer;font-size:16px;font-weight:500;letter-spacing:.05rem;transition:all .3s ease;position:relative;overflow:hidden;box-shadow:0 8px 20px rgba(0,0,0,.2);z-index:1;text-shadow:0 1px 1px hsla(0,0%,100%,.2)}.primary-button:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--accent-coral),var(--accent-amber));opacity:0;transition:opacity .4s ease;z-index:-1}.primary-button:hover{transform:translateY(-3px);box-shadow:0 10px 25px rgba(0,0,0,.3)}.primary-button:hover:before{opacity:1}.primary-button:active{transform:translateY(0);box-shadow:0 5px 15px rgba(0,0,0,.2)}.primary-button:focus{outline:none;box-shadow:0 0 0 2px rgba(255,193,7,.4),0 8px 20px rgba(0,0,0,.2)}.primary-button.active{background:linear-gradient(90deg,var(--accent-blue),var(--accent-teal));transform:translateY(-2px);color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.3)}.primary-button.active:before{background:linear-gradient(90deg,var(--accent-teal),var(--accent-blue))}.primary-button:disabled{background:linear-gradient(90deg,var(--accent-amber),var(--accent-coral));color:rgba(50,50,50,.6);opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}.primary-button:disabled:hover{background:linear-gradient(90deg,#e0e0e0,silver);color:#888;cursor:not-allowed;transform:none}.primary-button.loading{position:relative;cursor:wait}.loading-spinner{display:inline-block;width:1.2rem;height:1.2rem;border-radius:50%;border:2px solid rgba(0,0,0,.2);border-top-color:#1a1a1a;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}