:root{
  --paper:#f6efe4; --paper-2:#efe6d6; --ink:#241f1b; --muted:#6b6157;
  --accent:#9c3b1b; --accent-dark:#732a12; --line:#d8ccb8; --card:#fffdf8;
  --danger:#9c2a2a; --max:1080px;
  --serif:Georgia,'Times New Roman',serif;
  --sans:system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);line-height:1.6;}
a{color:var(--accent);text-decoration:none;}
a:hover{text-decoration:underline;}
h1,h2,h3{font-family:var(--serif);line-height:1.2;color:var(--ink);}

/* Header (CSS grid: brand | nav | auth) */
.site-header{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:1.5rem;
  padding:1rem 1.5rem;background:var(--ink);color:var(--paper);border-bottom:4px solid var(--accent);}
.site-header a{color:var(--paper);}
.brand a{font-family:var(--serif);font-size:1.4rem;font-weight:700;letter-spacing:.5px;}
.main-nav{display:flex;gap:1.25rem;justify-self:center;flex-wrap:wrap;}
.main-nav a{text-transform:uppercase;font-size:.8rem;letter-spacing:1px;}
.main-nav a:hover{color:var(--accent);text-decoration:none;}
.auth-links{display:flex;align-items:center;gap:.9rem;font-size:.85rem;}
.greeting{color:var(--paper-2);}
.logout-form{display:inline;margin:0;}
.link-button{background:none;border:none;color:var(--paper);font:inherit;cursor:pointer;padding:0;}
.link-button:hover{color:var(--accent);}

/* Layout */
.content{max-width:var(--max);margin:0 auto;padding:2.5rem 1.5rem;}
.page-head{display:flex;justify-content:space-between;align-items:center;gap:1rem;
  margin-bottom:1.5rem;border-bottom:1px solid var(--line);padding-bottom:.75rem;}
.page-head h1{margin:0;}
.actions{display:flex;gap:.5rem;}

/* Hero / home */
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:2.5rem;align-items:center;}
.hero h1{font-size:2.4rem;margin-top:0;}
.lead{font-size:1.2rem;color:var(--muted);}
.hero-image img{width:100%;height:auto;border-radius:8px;box-shadow:0 10px 30px rgba(0,0,0,.15);}

/* Cards */
.card-list{list-style:none;padding:0;margin:0;display:grid;
  grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem;}
.card{background:var(--card);border:1px solid var(--line);border-radius:8px;
  transition:transform .1s,box-shadow .1s;}
.card a{display:flex;flex-direction:column;gap:.3rem;padding:1rem 1.1rem;color:var(--ink);}
.card a:hover{text-decoration:none;}
.card:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(0,0,0,.1);}
.card-id{font-size:.75rem;color:var(--muted);letter-spacing:1px;}
.card-title{font-family:var(--serif);font-size:1.15rem;}
.card-sub{font-size:.85rem;color:var(--muted);}
.empty{color:var(--muted);font-style:italic;}

/* Table */
.data-table{width:100%;border-collapse:collapse;background:var(--card);
  border:1px solid var(--line);border-radius:8px;overflow:hidden;}
.data-table th,.data-table td{text-align:left;padding:.8rem 1rem;border-bottom:1px solid var(--line);}
.data-table thead th{background:var(--paper-2);font-family:var(--serif);font-size:.95rem;}
.data-table tbody tr:last-child td{border-bottom:none;}
.data-table tbody tr:hover{background:var(--paper-2);}

/* Detail definition list */
.details{display:grid;grid-template-columns:max-content 1fr;gap:.5rem 1.5rem;
  background:var(--card);border:1px solid var(--line);border-radius:8px;padding:1.5rem;margin-bottom:2rem;}
.details dt{font-weight:700;color:var(--muted);}
.details dd{margin:0;}

/* Forms */
.model-form{background:var(--card);border:1px solid var(--line);border-radius:8px;
  padding:1.5rem;max-width:640px;}
.model-form p{margin:0 0 1rem;display:flex;flex-direction:column;gap:.35rem;}
.model-form label{font-weight:700;font-size:.9rem;}
.model-form input,.model-form select,.model-form textarea{width:100%;padding:.55rem .6rem;
  border:1px solid var(--line);border-radius:5px;font:inherit;background:#fff;}
.model-form .helptext{font-size:.78rem;color:var(--muted);}
.model-form ul{margin:.2rem 0 0;padding-left:1.1rem;font-size:.8rem;color:var(--muted);}
.form-actions{display:flex;gap:.75rem;margin-top:.5rem;}
.warning{color:var(--danger);font-weight:600;}

/* Buttons */
.button{display:inline-block;background:var(--accent);color:#fff;padding:.55rem 1.1rem;
  border:none;border-radius:5px;font:inherit;cursor:pointer;}
.button:hover{background:var(--accent-dark);text-decoration:none;color:#fff;}
.button-secondary{background:var(--muted);}
.button-secondary:hover{background:var(--ink);}
.button-danger{background:var(--danger);}
.button-danger:hover{background:#7a1f1f;}

/* Footer */
.site-footer{border-top:1px solid var(--line);margin-top:3rem;padding:1.5rem;
  text-align:center;color:var(--muted);font-size:.85rem;}

/* Responsive */
@media (max-width:780px){
  .site-header{grid-template-columns:1fr;justify-items:center;text-align:center;gap:.75rem;}
  .hero{grid-template-columns:1fr;}
  .details{grid-template-columns:1fr;}
}