/* ===== Cưới Online DSPORTS — theme dùng chung ===== */
:root{
  --bg:#fbf7f2; --card:#ffffff; --ink:#3a3027; --muted:#8b7d6b;
  --line:#ece3d8; --gold:#c8a35a; --gold-d:#a9863f; --blush:#e8b4b8;
  --rose:#d98b94; --green:#7c9070; --shadow:0 10px 40px rgba(120,90,50,.12);
  --serif:"Playfair Display",Georgia,"Times New Roman",serif;
  --sans:"Be Vietnam Pro",-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,.serif{font-family:var(--serif);font-weight:700;letter-spacing:.2px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1320px;margin:0 auto;padding:0 32px}
.muted{color:var(--muted)}
.center{text-align:center}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;justify-content:center;border:none;cursor:pointer;
  padding:12px 24px;border-radius:999px;font-family:var(--sans);font-weight:600;font-size:15px;transition:.2s;white-space:nowrap}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-d));color:#fff;box-shadow:0 6px 18px rgba(200,163,90,.35)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(200,163,90,.45)}
.btn-ghost{background:transparent;border:1.5px solid var(--gold);color:var(--gold-d)}
.btn-ghost:hover{background:var(--gold);color:#fff}
.btn-light{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-sm{padding:8px 16px;font-size:14px}
.btn-block{width:100%}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(251,247,242,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-family:var(--serif);font-size:22px;font-weight:700;color:var(--gold-d);display:flex;align-items:center;gap:8px;white-space:nowrap;flex-shrink:0}
.brand b{color:var(--ink)}
.nav-links{display:flex;gap:26px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.nav-links a{font-weight:500;color:var(--muted)}
.nav-links a:hover{color:var(--gold-d)}
@media(max-width:760px){
  .nav-links a:not(.btn){display:none}
  .nav-user,.nav-logout{display:none!important}
  .brand{font-size:18px}
  .nav-links{gap:10px}
  .nav .wrap{padding:0 16px}
}

/* cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
.grid{display:grid;gap:22px}

/* forms */
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:6px}
input,textarea,select{width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:12px;font-family:var(--sans);
  font-size:15px;background:#fff;color:var(--ink);transition:.15s}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(200,163,90,.15)}
textarea{resize:vertical;min-height:90px}

.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600}
.badge-gold{background:#f6ecd6;color:var(--gold-d)}
.badge-green{background:#e4efe2;color:var(--green)}
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:var(--ink);color:#fff;
  padding:12px 22px;border-radius:999px;font-size:14px;z-index:9999;box-shadow:var(--shadow);opacity:0;transition:.25s;pointer-events:none}
.toast.show{opacity:1;bottom:38px}
.hr{height:1px;background:var(--line);border:0;margin:24px 0}