:root {
     --bg: #0F1724;
     --card: #0B1220;
     --primary: #7C3AED;
     --accent: #06B6D4;
     --muted: rgba(230, 238, 243, .12);
     --text: #E6EEF3;
 }

 * {
     box-sizing: border-box
 }

 html,
 body {
     height: 100%
 }

 body {
     margin: 0;
     font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial;
     background: #000;
     color: var(--text);
 }

 /* full-screen background image */
 .bg {
     position: fixed;
     inset: 0;
     background-image: url('background.jpg');
     /* substitua pela sua imagem */
     background-size: cover;
     background-position: center;
     filter: brightness(.45);
     z-index: -1;
 }

 .center {
     min-height: 100vh;
     display: flex;
     align-items: center;
     justify-content: center;
     padding: 2rem;
 }

 .loader-card {
     width: 100%;
     max-width: 720px;
     background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.02));
     border-radius: 16px;
     padding: 2.2rem;
     box-shadow: 0 10px 30px rgba(12, 18, 30, .6);
     border: 1px solid var(--muted);
     text-align: center;
 }

 .brand {
     display: flex;
     align-items: center;
     gap: .8rem;
     justify-content: center;
     margin-bottom: 1rem;
 }

 .logo {
     width: 50px;
     height: 50px;
     border-radius: 12px;
     /* borda levemente arredondada */
     overflow: hidden;
     /* garante que a imagem respeite o arredondado */
     display: flex;
     align-items: center;
     justify-content: center;
     box-shadow: 0 6px 18px rgba(124, 58, 237, .22);
     background: none;
     /* remove o gradiente do fundo se quiser só a imagem */
 }

 .logo img {
     width: 100%;
     height: 100%;
     object-fit: cover;
     /* preenche sem distorcer */
     border-radius: inherit;
     /* aplica o mesmo arredondamento do .logo */
 }

 h1 {
     margin: .2rem 0 .6rem;
     font-size: 1.4rem
 }

 p.lead {
     margin: 0 0 1.2rem;
     color: rgba(230, 238, 243, .85)
 }

 .progress-wrap {
     width: 100%;
     margin-top: 1.6rem
 }

 .progress {
     width: 100%;
     height: 14px;
     background: rgba(255, 255, 255, 0.04);
     border-radius: 999px;
     overflow: hidden;
 }

 .bar {
     width: 0%;
     height: 100%;
     background: linear-gradient(90deg, var(--primary), var(--accent));
     transition: width .2s linear;
 }

 .meta {
     display: flex;
     justify-content: space-between;
     align-items: center;
     margin-top: .7rem;
     font-size: .9rem;
     color: rgba(230, 238, 243, .8);
 }

 /* responsivo */
 @media (max-width:520px) {
     .loader-card {
         padding: 1.2rem;
         border-radius: 12px
     }

     h1 {
         font-size: 1.1rem
     }
 }