:root{
    --primary:#0a2540;
    --accent:#00c896;
    --bg:#f4f7fb;
    --white:#fff;
  }
  
  *{
    box-sizing:border-box;
    font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  }
  
  body{
    margin:0;
    background:var(--bg);
    color:#111;
  }
  
  .app{
    min-height:100vh;
    padding-bottom:70px;
  }
  
  /* HEADER */
  .app-header{
    background:var(--primary);
    color:white;
    padding:16px;
    display:flex;
    justify-content:space-between;
    align-items:center;
  }
  
  .logo{
    font-weight:700;
    letter-spacing:1px;
  }
  
  .btn-outline{
    border:1px solid #fff;
    padding:8px 14px;
    border-radius:6px;
    color:white;
    text-decoration:none;
    font-size:14px;
  }
  
  /* SLIDER */
  .slider{
    padding:20px;
    overflow:hidden;
  }
  
  .slides{
    display:flex;
    transition:0.4s;
  }
  
  .slide{
    min-width:100%;
    text-align:left;
  }
  
  .slide h1{
    font-size:28px;
    margin-bottom:10px;
  }
  
  .slide p{
    opacity:0.85;
  }
  
  .slide img{
    width:100%;
    max-height:220px;
    object-fit:contain;
    margin-top:10px;
  }
  
  /* DOTS */
  .dots{
    text-align:center;
    margin-top:10px;
  }
  
  .dot{
    display:inline-block;
    width:8px;
    height:8px;
    background:#ccc;
    border-radius:50%;
    margin:0 4px;
  }
  
  .dot.active{
    background:var(--accent);
  }
  
  /* CTA */
  .cta{
    padding:20px;
  }
  
  .btn-primary{
    background:var(--accent);
    color:#000;
    padding:16px;
    border-radius:10px;
    text-align:center;
    display:block;
    font-weight:700;
    text-decoration:none;
  }
  
  .full{
    width:100%;
  }
  
  .features-card{
    background:white;
    margin-top:20px;
    padding:16px;
    border-radius:12px;
    box-shadow:0 10px 25px rgba(0,0,0,.05);
  }
  
  /* BOTTOM NAV */
  .bottom-nav{
    position:fixed;
    bottom:0;
    left:0;
    width:100%;
    background:white;
    display:flex;
    justify-content:space-around;
    padding:10px 0;
    box-shadow:0 -5px 20px rgba(0,0,0,.08);
  }
  
  .bottom-nav a{
    text-decoration:none;
    color:#555;
    font-size:12px;
    text-align:center;
  }
  
  .bottom-nav a span{
    display:block;
    font-size:11px;
  }
  
  .bottom-nav a.active{
    color:var(--accent);
  }
  /* AUTH PAGES */
.auth-container{
    padding:25px;
  }
  
  .auth-container h1{
    margin-bottom:8px;
    font-size:26px;
  }
  
  .subtitle{
    font-size:14px;
    opacity:.8;
    margin-bottom:25px;
  }
  
  label{
    display:block;
    margin-bottom:6px;
    font-weight:600;
    font-size:14px;
  }
  
  input{
    width:100%;
    padding:14px;
    border-radius:10px;
    border:1px solid #ddd;
    margin-bottom:18px;
    font-size:15px;
  }
  
  input:focus{
    outline:none;
    border-color:var(--accent);
  }
  
  .auth-footer{
    margin-top:15px;
    font-size:14px;
  }
  
  .auth-footer a{
    color:var(--accent);
    font-weight:600;
    text-decoration:none;
  }
  
  .legal{
    margin-top:15px;
    font-size:12px;
    opacity:.6;
  }
  .error-box{
    background:#ffe0e0;
    color:#900;
    padding:12px;
    border-radius:8px;
    margin-bottom:15px;
    font-size:14px;
  }
  /* DASHBOARD */
.summary{
    display:flex;
    gap:12px;
    padding:20px;
  }
  
  .summary-card{
    background:white;
    flex:1;
    padding:16px;
    border-radius:14px;
    box-shadow:0 10px 20px rgba(0,0,0,.05);
  }
  
  .summary-card span{
    font-size:13px;
    opacity:.7;
  }
  
  .summary-card strong{
    font-size:22px;
    display:block;
    margin-top:6px;
  }
  
  .list-section{
    padding:20px;
  }
  
  .list-section h2{
    margin-bottom:12px;
  }
  
  .tontine-card{
    background:white;
    padding:16px;
    border-radius:14px;
    margin-bottom:12px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    text-decoration:none;
    color:#111;
    box-shadow:0 10px 25px rgba(0,0,0,.05);
  }
  
  .amount{
    font-weight:700;
    color:var(--accent);
  }
  
  .empty-card{
    background:white;
    padding:20px;
    border-radius:14px;
    opacity:.7;
    text-align:center;
  }