:root{
  --bg:#f5f7fb;
  --panel:#ffffff;
  --ink:#111827;
  --muted:#64748b;
  --line:#e2e8f0;
  --dark:#101418;
  --dark-2:#171d24;
  --accent:#ffb800;
  --accent-soft:#fff4cc;
  --danger:#b42318;
  --danger-soft:#fee4e2;
  --success:#067647;
  --success-soft:#dcfae6;
  --shadow:0 18px 50px rgba(15,23,42,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--ink)}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,textarea,select{font:inherit}

.login-page{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#101418,#28313b)}
.login-card{width:min(420px,92vw);background:#fff;border-radius:10px;padding:32px;box-shadow:0 28px 80px rgba(0,0,0,.26)}
.login-card img{width:178px;margin:0 auto 20px}
.login-card h1{margin:0 0 20px;text-align:center;font-size:28px}

.dashboard-shell{min-height:100vh;display:grid;grid-template-columns:280px minmax(0,1fr)}
.sidebar{position:sticky;top:0;height:100vh;background:linear-gradient(180deg,var(--dark),var(--dark-2));color:#fff;padding:22px;display:flex;flex-direction:column;gap:26px}
.sidebar-brand{display:flex;align-items:center;gap:12px;padding:12px;border-radius:10px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08)}
.sidebar-brand img{width:120px;background:#fff;border-radius:8px;padding:6px}
.sidebar-brand span{color:var(--accent);font-weight:900;text-transform:uppercase;letter-spacing:.08em;font-size:12px}
.sidebar-nav{display:grid;gap:8px}
.sidebar-nav a{padding:12px 14px;border-radius:8px;color:#d7dde5;font-weight:800;border:1px solid transparent}
.sidebar-nav a:hover,.sidebar-nav a.active{background:rgba(255,184,0,.12);border-color:rgba(255,184,0,.26);color:#fff}
.sidebar-footer{margin-top:auto;border-top:1px solid rgba(255,255,255,.1);padding-top:18px;display:grid;gap:6px}
.sidebar-footer span{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:#98a2b3;font-weight:900}
.sidebar-footer strong{font-size:18px}
.sidebar-footer a{margin-top:10px;color:#151515;background:var(--accent);border-radius:8px;padding:11px 13px;text-align:center;font-weight:900}

.dashboard-main{min-width:0}
.topbar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);padding:20px 34px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.topbar span{color:#b27800;font-weight:900;text-transform:uppercase;letter-spacing:.08em;font-size:12px}
.topbar h1{margin:4px 0 0;font-size:30px;line-height:1.1}
.topbar-actions{display:flex;gap:10px;flex-wrap:wrap}
.topbar-actions a{border:1px solid var(--line);background:#fff;border-radius:8px;padding:11px 14px;font-weight:900}
.topbar-actions a:first-child{background:var(--dark);border-color:var(--dark);color:#fff}

.admin-wrap{width:min(1240px,94%);margin:28px auto 64px;display:grid;gap:22px}
.alert{padding:14px 16px;border-radius:8px;font-weight:900;border:1px solid transparent}
.alert.error{background:var(--danger-soft);color:var(--danger);border-color:#fecaca}
.alert.success{background:var(--success-soft);color:var(--success);border-color:#bbf7d0}

.overview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.summary-card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:22px;box-shadow:var(--shadow);display:grid;gap:8px}
.summary-card span{color:var(--muted);font-weight:900;text-transform:uppercase;letter-spacing:.06em;font-size:12px}
.summary-card strong{font-size:42px;line-height:1}
.summary-card small{color:var(--muted);font-weight:700}
.summary-card:hover{border-color:var(--accent);transform:translateY(-2px);transition:.2s ease}

.panel{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:24px;box-shadow:var(--shadow)}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.panel-head h2{margin:0;font-size:24px;line-height:1.1}
.panel-head span{background:#f1f5f9;border:1px solid var(--line);border-radius:999px;padding:7px 12px;font-weight:900;color:#475569;font-size:13px}

label{display:grid;gap:8px;font-weight:900;color:#334155}
.field-label{display:block}
input,textarea,select{width:100%;border:1px solid #cbd5e1;border-radius:8px;padding:12px 13px;background:#fff;color:var(--ink);outline:none}
input:focus,textarea:focus,select:focus{border-color:#d99b00;box-shadow:0 0 0 3px rgba(255,184,0,.18)}
textarea{resize:vertical;line-height:1.45}
button{border:0;border-radius:8px;background:var(--accent);color:#151515;font-weight:900;padding:12px 16px;cursor:pointer}
button:hover{filter:brightness(.98);transform:translateY(-1px)}
.danger{background:var(--danger-soft);color:var(--danger);border:1px solid #fecaca}
.stack-form{display:grid;grid-template-columns:1fr 1fr auto;gap:14px;align-items:end;margin-bottom:22px}
#blog-manager .stack-form{grid-template-columns:1fr}

.section-editor{display:grid;gap:18px}
.section-tabs{display:flex;gap:8px;overflow:auto;padding:10px;background:#f8fafc;border:1px solid var(--line);border-radius:10px}
.section-tab{flex:0 0 auto;background:#fff;border:1px solid var(--line);color:#334155;padding:11px 13px;text-align:center;white-space:nowrap}
.section-tab.active{background:var(--dark);border-color:var(--dark);color:#fff}
.section-editor fieldset{display:none;border:1px solid var(--line);border-radius:10px;margin:0;padding:20px;background:#fff}
.section-editor fieldset.active{display:block}
.section-editor legend{padding:0 8px;font-weight:900;color:#111827;font-size:20px}
.field-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
.wide-field{grid-column:1/-1}
.section-editor textarea{font-size:14px}
.mini-action{justify-self:start;background:#eef2f6;color:#253140;border:1px solid #dce3eb;padding:9px 12px;margin-top:2px}
.sticky-actions{position:sticky;bottom:0;background:linear-gradient(180deg,rgba(255,255,255,0),#fff 30%);padding-top:18px}
.sticky-actions button{width:100%;font-size:16px}

.media-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.media-grid article{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}
.media-grid img{width:100%;height:154px;object-fit:cover;background:#111}
.media-grid strong{display:block;padding:12px 12px 8px}
.media-grid form{padding:0 12px 12px}

.post-list{display:grid;gap:10px}
.post-list article{display:flex;align-items:center;justify-content:space-between;gap:16px;border:1px solid var(--line);border-radius:10px;padding:14px;background:#fff}
.post-list strong{display:block;font-size:17px}
.post-list span{display:block;color:var(--muted);font-weight:800;font-size:13px;margin-top:3px}

@media (max-width:1100px){
  .dashboard-shell{grid-template-columns:1fr}
  .sidebar{position:relative;height:auto;padding:16px;gap:14px}
  .sidebar-nav{grid-template-columns:repeat(3,1fr)}
  .sidebar-footer{display:none}
  .topbar{position:relative;padding:18px 4%}
}
@media (max-width:860px){
  .overview-grid,.field-grid,.stack-form{grid-template-columns:1fr}
  .media-grid{grid-template-columns:repeat(2,1fr)}
  .topbar{align-items:flex-start;flex-direction:column}
  .sidebar-nav{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .admin-wrap{width:92%;margin-top:20px}
  .panel{padding:18px}
  .overview-grid,.media-grid{grid-template-columns:1fr}
  .post-list article{align-items:flex-start;flex-direction:column}
  .sidebar-nav{grid-template-columns:1fr}
  .topbar h1{font-size:24px}
}