:root{
  color-scheme:dark;
  --bg:#11110f;
  --bg-soft:#171612;
  --surface:#1c1b17;
  --surface-2:#23211c;
  --surface-3:#29261f;
  --text:#f5f1e8;
  --muted:#aaa49a;
  --line:#353129;
  --line-strong:#484238;
  --accent:#ff9d24;
  --accent-2:#ffc266;
  --accent-soft:rgba(255,157,36,.12);
  --accent-text:#1c1205;
  --danger:#ff6b6b;
  --danger-soft:rgba(255,107,107,.12);
  --success:#57d994;
  --success-soft:rgba(87,217,148,.12);
  --shadow:0 18px 45px rgba(0,0,0,.18);
  --radius:18px;
}

:root[data-theme="light"]{
  color-scheme:light;
  --bg:#f4f1ea;
  --bg-soft:#ece7dc;
  --surface:#fffdf8;
  --surface-2:#f7f2e9;
  --surface-3:#eee7dc;
  --text:#22201b;
  --muted:#716b61;
  --line:#ded6c9;
  --line-strong:#c9bfaf;
  --accent:#e77700;
  --accent-2:#f59a2a;
  --accent-soft:rgba(231,119,0,.10);
  --accent-text:#fff;
  --danger:#d94d4d;
  --danger-soft:rgba(217,77,77,.10);
  --success:#188b56;
  --success-soft:rgba(24,139,86,.10);
  --shadow:0 18px 45px rgba(64,52,35,.08);
}

*{box-sizing:border-box}
html{background:var(--bg);scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  overflow-x:hidden;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:
    radial-gradient(circle at 92% 0%,var(--accent-soft),transparent 30rem),
    var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
button,input,select,textarea{font:inherit}
a{color:inherit;text-decoration:none}
button,a{-webkit-tap-highlight-color:transparent}

.topbar{
  position:sticky;
  top:0;
  z-index:50;
  width:100%;
  border-bottom:1px solid var(--line);
  background:color-mix(in srgb,var(--bg) 88%,transparent);
  backdrop-filter:blur(18px) saturate(140%);
}
.topbar-inner{
  width:min(1220px,100%);
  min-height:68px;
  margin:0 auto;
  padding:0 18px;
  display:flex;
  align-items:center;
  gap:22px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:none;
  font-weight:900;
  letter-spacing:-.02em;
}
.brand-mark{
  width:34px;
  height:34px;
  display:grid;
  place-items:center;
  border-radius:11px;
  background:var(--accent);
  color:var(--accent-text);
  box-shadow:0 8px 22px var(--accent-soft);
  font-size:16px;
  font-weight:950;
}
.brand-text{font-size:17px}
.desktop-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.desktop-nav a,
.mobile-nav a{
  color:var(--muted);
  font-weight:700;
  font-size:14px;
  transition:.18s ease;
}
.desktop-nav a{
  padding:10px 13px;
  border-radius:12px;
}
.desktop-nav a:hover,
.desktop-nav a.active{
  color:var(--text);
  background:var(--surface-2);
}
.desktop-nav a.active{box-shadow:inset 0 0 0 1px var(--line)}
.topbar-actions{display:flex;align-items:center;gap:8px;margin-left:4px}
.icon-btn{
  width:42px;
  height:42px;
  border:1px solid var(--line);
  border-radius:13px;
  background:var(--surface);
  color:var(--text);
  display:inline-grid;
  place-items:center;
  cursor:pointer;
  transition:.18s ease;
}
.icon-btn:hover{border-color:var(--line-strong);background:var(--surface-2)}
.icon-btn:active{transform:scale(.97)}
.menu-btn{display:none}
.theme-icon{font-size:18px;line-height:1}
.mobile-menu{
  display:none;
  width:100%;
  border-top:1px solid var(--line);
  background:var(--bg);
}
.mobile-menu.open{display:block}
.mobile-nav{width:min(1220px,100%);margin:0 auto;padding:10px 12px 14px;display:grid;gap:4px}
.mobile-nav a{padding:13px 14px;border-radius:12px}
.mobile-nav a.active,.mobile-nav a:hover{background:var(--surface-2);color:var(--text)}
.mobile-nav a.logout-link{color:var(--danger)}

.container{
  width:min(1180px,calc(100% - 28px));
  margin:30px auto 64px;
}
.page-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:16px;
  margin:0 0 20px;
}
.page-head h1{
  margin:0;
  font-size:clamp(28px,5vw,42px);
  line-height:1.08;
  letter-spacing:-.035em;
}
.page-head p,.panel p{color:var(--muted)}
.page-head p{margin:8px 0 0;max-width:680px;line-height:1.55}
.page-actions{display:flex;gap:8px;flex-wrap:wrap}

.panel,.stat,.auth-card{
  border:1px solid var(--line);
  background:var(--surface);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.panel{padding:20px}
.panel h2{margin:0 0 18px;font-size:20px;letter-spacing:-.02em}

.stats-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:12px;
  margin-bottom:16px;
}
.stat{padding:18px;position:relative;overflow:hidden}
.stat::after{
  content:"";
  position:absolute;
  width:72px;height:72px;
  right:-28px;top:-30px;
  border-radius:999px;
  background:var(--accent-soft);
}
.stat span{display:block;color:var(--muted);font-size:12px;font-weight:750;text-transform:uppercase;letter-spacing:.055em;margin-bottom:12px}
.stat strong{display:block;font-size:30px;line-height:1;letter-spacing:-.035em}

.split{
  display:grid;
  grid-template-columns:minmax(300px,.82fr) minmax(0,1.35fr);
  gap:16px;
  align-items:start;
}
.row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
label{display:block;font-size:13px;color:var(--muted);font-weight:700;margin-bottom:14px}
input,select,textarea{
  width:100%;
  margin-top:7px;
  border:1px solid var(--line);
  background:var(--bg-soft);
  color:var(--text);
  border-radius:13px;
  padding:12px 13px;
  outline:none;
  min-height:46px;
  transition:border-color .18s,box-shadow .18s,background .18s;
}
textarea{resize:vertical;line-height:1.5}
input::placeholder,textarea::placeholder{color:color-mix(in srgb,var(--muted) 70%,transparent)}
input:focus,select:focus,textarea:focus{
  border-color:var(--accent);
  box-shadow:0 0 0 4px var(--accent-soft);
  background:var(--surface-2);
}
small{display:block;margin-top:7px;color:var(--muted);font-weight:500;line-height:1.45}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:7px;
  min-height:44px;
  padding:10px 15px;
  border:1px solid transparent;
  border-radius:13px;
  background:var(--accent);
  color:var(--accent-text);
  font-weight:850;
  cursor:pointer;
  transition:.18s ease;
}
.btn:hover{filter:brightness(1.04);transform:translateY(-1px)}
.btn:active{transform:translateY(0) scale(.98)}
.secondary{background:var(--surface-3);border-color:var(--line);color:var(--text)}
.ghost-btn{background:transparent;border-color:var(--line);color:var(--text)}
.danger-btn{background:var(--danger-soft);color:var(--danger);border-color:color-mix(in srgb,var(--danger) 34%,var(--line))}

.alert{padding:13px 15px;border-radius:14px;margin-bottom:16px;border:1px solid var(--line);font-weight:650;line-height:1.45}
.alert.success{background:var(--success-soft);border-color:color-mix(in srgb,var(--success) 32%,var(--line));color:var(--success)}
.alert.danger{background:var(--danger-soft);border-color:color-mix(in srgb,var(--danger) 32%,var(--line));color:var(--danger)}

.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px}
table{width:100%;border-collapse:collapse;min-width:620px;background:var(--surface)}
th,td{padding:14px 13px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
tr:last-child td{border-bottom:0}
th{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.075em;background:var(--surface-2)}
tbody tr:hover{background:var(--accent-soft)}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--accent-2);font-size:.92em}

.zone-list{display:grid;gap:12px}
.zone-card{
  border:1px solid var(--line);
  border-radius:16px;
  background:var(--surface-2);
  padding:16px;
}
.zone-top{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;margin-bottom:14px}
.zone-name{font-size:17px;font-weight:850;letter-spacing:-.02em;margin-bottom:4px}
.zone-meta{display:flex;gap:7px;flex-wrap:wrap;margin-top:9px}
.badge{
  display:inline-flex;align-items:center;min-height:27px;padding:4px 9px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);color:var(--muted);font-size:12px;font-weight:750;
}
.badge.accent{background:var(--accent-soft);border-color:color-mix(in srgb,var(--accent) 34%,var(--line));color:var(--accent-2)}
.zone-code-wrap{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:9px;align-items:stretch}
.codebox{
  min-width:0;
  min-height:82px;
  margin:0;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:12px;
  background:var(--bg);
}
.copy-btn{min-width:88px}
.zone-actions{margin-top:12px;display:flex;justify-content:flex-end}

.cards{display:grid;gap:12px}
.ad-card{
  display:grid;
  grid-template-columns:170px minmax(0,1fr);
  gap:16px;
  padding:14px;
  border:1px solid var(--line);
  border-radius:16px;
  background:var(--surface-2);
}
.ad-card img{
  width:100%;
  aspect-ratio:16/7;
  object-fit:contain;
  align-self:start;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:12px;
}
.ad-card strong{font-size:16px}
.ad-card p{margin:6px 0;font-size:13px;line-height:1.45;color:var(--muted)}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.actions form{margin:0}

.empty-state{padding:24px 12px;text-align:center;color:var(--muted)}
.empty-state strong{display:block;color:var(--text);margin-bottom:5px}

.auth-wrap{
  min-height:100vh;
  display:grid;
  place-items:center;
  padding:24px;
}
.auth-card{width:min(430px,100%);padding:24px}
.auth-card h1{margin:0;font-size:30px;letter-spacing:-.035em}
.auth-card>p{margin:8px 0 22px;color:var(--muted)}
.auth-card .btn{width:100%;margin-top:4px}
.auth-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px}
.auth-brand .brand-mark{width:40px;height:40px}
.auth-brand h1{font-size:24px}
.auth-theme{position:absolute;top:18px;right:18px}

.toast{
  position:fixed;
  left:50%;
  bottom:22px;
  transform:translate(-50%,16px);
  opacity:0;
  pointer-events:none;
  z-index:99;
  padding:11px 14px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--surface-3);
  color:var(--text);
  box-shadow:var(--shadow);
  font-size:13px;
  font-weight:750;
  transition:.2s ease;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

@media(max-width:860px){
  .desktop-nav{display:none}
  .menu-btn{display:inline-grid}
  .topbar-actions{margin-left:auto}
  .split{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media(max-width:560px){
  .topbar-inner{min-height:62px;padding:0 12px}
  .brand-text{font-size:16px}
  .brand-mark{width:32px;height:32px;border-radius:10px}
  .icon-btn{width:40px;height:40px}
  .container{width:min(100% - 20px,1180px);margin-top:20px;margin-bottom:44px}
  .page-head{align-items:flex-start;flex-direction:column;margin-bottom:16px}
  .page-head h1{font-size:30px}
  .page-head p{font-size:14px}
  .stats-grid{gap:9px}
  .stat{padding:15px}
  .stat span{font-size:10px;margin-bottom:10px}
  .stat strong{font-size:25px}
  .panel{padding:15px;border-radius:16px}
  .panel h2{font-size:19px;margin-bottom:16px}
  .row{grid-template-columns:1fr}
  label{margin-bottom:12px}
  input,select,textarea{font-size:16px}
  .zone-top{flex-direction:column}
  .zone-code-wrap{grid-template-columns:1fr}
  .copy-btn{width:100%}
  .zone-actions .btn{width:100%}
  .ad-card{grid-template-columns:1fr}
  .ad-card img{aspect-ratio:16/6;max-height:170px}
  .actions{display:grid;grid-template-columns:1fr 1fr}
  .actions form,.actions .btn{width:100%}
  .auth-wrap{padding:16px}
  .auth-card{padding:20px;border-radius:16px}
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;transition:none!important}
}