:root{
  --red:#C81733;
  --red-dark:#9E1530;
  --red-deep:#7A0F22;
  --red-soft:#FBE7EA;
  --ink:#3A0F16;
  --muted:#8A6E6C;
  --paper:#FFFFFF;
  --paper-warm:#FDFAF8;
  --line:#ECDEDC;
  --sidebar:260px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html,body{min-height:100%;}
body.hesap{
  font-family:'IBM Plex Sans',sans-serif;
  color:var(--ink);
  background:var(--paper-warm);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
h1,h2,h3{
  font-family:'Source Serif 4',serif;
  font-weight:600;
  line-height:1.2;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  border:0;border-radius:10px;padding:12px 18px;font-weight:600;cursor:pointer;
  font-family:inherit;font-size:.95rem;
}
.btn-primary{background:var(--red);color:#fff;}
.btn-primary:hover{background:var(--red-dark);}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--ink);}
.btn-danger{background:var(--red-deep);color:#fff;}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px;}
.field label{font-size:.86rem;font-weight:600;}
.field input,.field select{
  min-height:46px;border:1px solid var(--line);border-radius:10px;
  padding:10px 12px;font:inherit;background:#fff;color:var(--ink);
}
.field input:focus,.field select:focus{outline:2px solid var(--red);outline-offset:1px;}
.help{font-size:.82rem;color:var(--muted);}
.error{color:var(--red);font-size:.86rem;margin:4px 0 10px;}
.flash{
  background:#e9f7ef;border:1px solid #b7e0c5;color:#1e6b3a;
  padding:12px 14px;border-radius:10px;margin-bottom:18px;
}
.login-wrap{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  padding:32px 16px;
  background:
    radial-gradient(circle at 90% -10%,rgba(200,23,51,.16),transparent 42%),
    var(--paper-warm);
}
.login-card{
  width:100%;max-width:420px;background:#fff;border:1px solid var(--line);
  border-radius:18px;padding:36px 32px;box-shadow:0 24px 50px -32px rgba(72,8,26,.4);
}
.login-card .logo{display:block;margin-bottom:22px;}
.login-card .logo img{height:42px;}
.login-card h1{font-size:1.7rem;margin-bottom:8px;}
.login-card .lead{color:var(--muted);margin-bottom:22px;}
.shell{display:flex;min-height:100vh;}
.sidebar{
  width:var(--sidebar);flex:none;background:var(--red-deep);color:#fff;
  padding:22px 16px;display:flex;flex-direction:column;gap:8px;
}
.sidebar .brand{display:flex;align-items:center;gap:10px;padding:8px 10px 18px;}
.sidebar .brand img{height:36px;filter:brightness(0) invert(1);}
.sidebar nav{display:flex;flex-direction:column;gap:4px;flex:1;}
.sidebar a,.sidebar button.linkish{
  display:block;width:100%;text-align:left;background:transparent;border:0;
  color:#fff;padding:11px 12px;border-radius:10px;font:inherit;cursor:pointer;
}
.sidebar a:hover,.sidebar button.linkish:hover,
.sidebar a.active{background:rgba(255,255,255,.12);}
.sidebar .side-foot{font-size:.78rem;opacity:.7;padding:10px;}
.main{flex:1;display:flex;flex-direction:column;min-width:0;}
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 28px;border-bottom:1px solid var(--line);background:#fff;
  gap:16px;
}
.topbar .who{font-weight:600;}
.topbar .who span{display:block;font-weight:400;color:var(--muted);font-size:.84rem;}
.menu-toggle{
  display:none;border:1px solid var(--line);background:#fff;border-radius:8px;
  width:42px;height:42px;cursor:pointer;
}
.content{padding:28px;max-width:920px;}
.page-title{font-size:1.9rem;margin-bottom:8px;}
.page-lead{color:var(--muted);margin-bottom:22px;}
.card{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;
  margin-bottom:18px;
}
.stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;}
.stat .k{font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:700;}
.stat .v{font-family:'Source Serif 4',serif;font-size:1.35rem;margin-top:6px;}
.check{display:flex;align-items:flex-start;gap:10px;margin:12px 0 18px;}
.check input{margin-top:4px;width:18px;height:18px;}
.media-list{display:flex;flex-direction:column;gap:12px;}
.media-row{
  display:flex;align-items:center;gap:14px;border:1px solid var(--line);
  border-radius:12px;padding:10px 12px;background:#fff;
}
.media-row img,.media-row video{width:88px;height:64px;object-fit:cover;border-radius:8px;background:#111;}
.media-row .meta{flex:1;min-width:0;}
.times{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.form-section{font-size:1.1rem;margin:22px 0 12px;padding-top:18px;border-top:1px solid var(--line, #ECDEDC);}
.code-input{letter-spacing:.28em;font-size:1.4rem;text-align:center;font-weight:700;}
@media(max-width:840px){
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .sidebar{
    position:fixed;inset:0 auto 0 0;z-index:20;transform:translateX(-105%);
    transition:transform .2s ease;
  }
  .sidebar.open{transform:none;}
  .stat-grid,.times{grid-template-columns:1fr;}
  .content{padding:18px;}
}