:root{
  --oxido:#B5533C; --oxido-dark:#8F3F2D; --salvia:#5C6E4F; --crema:#F7F1E8; --crema-alt:#EFE6D8;
  --carbon:#332B24; --carbon-suave:#5A4F43; --dorado:#C9A15A; --linea:#E1D5C2; --blanco:#FFFDF9;
  --rojo:#A83B32; --verde:#4C7A5A; --sombra:0 2px 12px rgba(51,43,36,0.08);
}
[data-tema="oscuro"]{
  --crema:#201914; --crema-alt:#2A2119; --blanco:#291F18; --linea:#3D3025;
  --carbon:#F0E6D8; --carbon-suave:#B8A992; --sombra:0 2px 12px rgba(0,0,0,0.35);
  --oxido:#D9714F; --oxido-dark:#C15E3E; --dorado:#D9B876; --salvia:#7A8F68; --verde:#6FA085; --rojo:#D9695C;
}
body{transition:background-color .2s, color .2s;}
*{box-sizing:border-box; margin:0; padding:0;}
body{font-family:-apple-system,'Segoe UI',Arial,sans-serif; background:var(--crema); color:var(--carbon);}

/* Auth pages */
.auth-body{display:flex; align-items:center; justify-content:center; min-height:100vh; padding:20px;}
.auth-box{background:var(--blanco); border:1px solid var(--linea); border-radius:16px; padding:32px; max-width:400px; width:100%; box-shadow:var(--sombra);}
.auth-logo{display:flex; align-items:center; gap:8px; font-weight:700; font-size:16px; color:var(--oxido); margin-bottom:20px;}
.auth-box h1{font-size:20px; margin-bottom:18px;}
.auth-box label{display:block; font-size:12px; font-weight:600; color:var(--carbon-suave); text-transform:uppercase; margin-bottom:5px; margin-top:14px;}
.auth-box input{width:100%; padding:10px 12px; border:1.5px solid var(--linea); border-radius:8px; font-size:14px;}
.auth-box input:focus{outline:none; border-color:var(--oxido);}
.auth-box button{width:100%; background:var(--oxido); color:#fff; border:none; padding:11px; border-radius:8px; font-weight:600; font-size:14.5px; margin-top:18px; cursor:pointer;}
.auth-box button:hover{background:var(--oxido-dark);}
.auth-links{display:flex; justify-content:space-between; margin-top:18px; font-size:12.5px;}
.auth-links a{color:var(--carbon-suave); text-decoration:none;}
.auth-links a:hover{color:var(--oxido);}
.alert-error{background:rgba(168,59,50,0.08); border:1.5px solid rgba(168,59,50,0.3); color:var(--rojo); padding:10px 14px; border-radius:8px; font-size:13px; margin-bottom:6px;}
.alert-success{background:rgba(76,122,90,0.08); border:1.5px solid rgba(76,122,90,0.3); color:var(--verde); padding:14px; border-radius:8px; font-size:13.5px;}

/* App shell */
.topbar{display:flex; justify-content:space-between; align-items:center; background:#211A14; color:#F0E6D8; padding:14px 24px;}
.topbar-brand{font-weight:700; display:flex; align-items:center; gap:8px;}
.topbar-user{display:flex; align-items:center; gap:14px; font-size:13.5px;}
.btn-logout{color:var(--crema); text-decoration:none; background:rgba(255,255,255,0.1); padding:6px 12px; border-radius:6px;}
.main-content{max-width:900px; margin:30px auto; padding:0 20px;}
.card{background:var(--blanco); border:1px solid var(--linea); border-radius:14px; padding:26px; box-shadow:var(--sombra);}
.card h1{font-size:22px; margin-bottom:4px;}
.sub{color:var(--carbon-suave); font-size:13.5px; margin-bottom:20px;}
.info-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:14px; margin-bottom:18px;}
.info-item{background:var(--crema-alt); border-radius:10px; padding:14px;}
.info-item .label{display:block; font-size:11px; text-transform:uppercase; color:var(--carbon-suave); font-weight:600;}
.info-item .value{display:block; font-size:16px; font-weight:600; margin-top:3px;}
.note{font-size:12.5px; color:var(--carbon-suave); border-top:1px solid var(--linea); padding-top:14px;}