:root{--bg:#f4f7fb;--panel:#fff;--text:#0f172a;--muted:#64748b;--border:#e2e8f0;--primary:#2563eb;--danger:#dc2626;--shadow:0 18px 50px rgba(15,23,42,.08);--radius:20px}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text)}a{text-decoration:none;color:inherit}.admin-shell{display:grid;grid-template-columns:280px 1fr;min-height:100vh}.admin-sidebar{position:sticky;top:0;height:100vh;background:#0f172a;color:#cbd5e1;padding:22px;overflow:auto}.admin-brand,.login-logo{display:flex;gap:12px;align-items:center;color:#fff;margin-bottom:22px}.admin-brand span,.login-logo span{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,#2563eb,#7c3aed);display:grid;place-items:center;color:#fff;font-weight:900}.admin-sidebar nav{display:grid;gap:6px}.admin-sidebar a{display:flex;gap:10px;align-items:center;padding:11px 12px;border-radius:14px;color:#cbd5e1;font-weight:750}.admin-sidebar a:hover,.admin-sidebar a.is-active{background:rgba(255,255,255,.1);color:#fff}.admin-main{padding:24px}.admin-topbar{height:70px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);display:flex;align-items:center;justify-content:space-between;padding:0 20px;margin-bottom:18px;box-shadow:var(--shadow)}.admin-topbar span{display:block;color:var(--muted);font-size:13px}.admin-top-actions{display:flex;gap:10px}.admin-btn,.admin-top-actions a,.login-card button{border:0;border-radius:999px;background:var(--primary);color:#fff;padding:10px 15px;font-weight:850;cursor:pointer}.admin-btn.ghost,.admin-top-actions a:first-child{background:#eef4ff;color:var(--primary)}.admin-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;margin-bottom:18px}.admin-card.narrow{max-width:960px}.admin-card-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}.kicker{display:inline-flex;color:#2563eb;background:#eff6ff;border-radius:999px;padding:5px 10px;font-size:12px;font-weight:900;text-transform:uppercase}.dashboard-hero{display:flex;align-items:center;justify-content:space-between}.dashboard-hero h1{font-size:42px}.stat-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}.stat-card{background:#fff;border:1px solid var(--border);border-radius:18px;padding:20px;box-shadow:var(--shadow)}.stat-card span{display:block;color:var(--muted);font-weight:800}.stat-card strong{font-size:34px}.quick-grid,.media-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.quick-grid a,.media-card{background:#f8fafc;border:1px solid var(--border);border-radius:18px;padding:18px;font-weight:900}.admin-actions{display:flex;gap:10px}.admin-table{width:100%;border-collapse:collapse}.admin-table th{text-align:left;font-size:12px;color:#64748b;text-transform:uppercase;background:#f8fafc}.admin-table th,.admin-table td{padding:14px;border-bottom:1px solid var(--border)}.row-actions{display:flex;gap:10px}.row-actions a{font-weight:900;color:var(--primary)}.danger{color:var(--danger)!important}.empty-cell{text-align:center;color:var(--muted);padding:40px!important}.admin-form{display:grid;gap:16px}.field{display:grid;gap:7px;font-weight:800}.admin-form input,.admin-form textarea,.admin-form select,.login-card input,.media-card input{width:100%;border:1px solid var(--border);border-radius:14px;padding:12px 14px;font:inherit}.flash{padding:14px 16px;border-radius:14px;margin:12px 0;font-weight:800}.flash-success{background:#ecfdf5;color:#047857;border:1px solid #a7f3d0}.flash-error{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}.login-body{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at top left,#dbeafe,#f8fafc 45%,#fff)}.login-card{width:min(460px,calc(100% - 28px));background:#fff;border:1px solid var(--border);border-radius:24px;box-shadow:var(--shadow);padding:30px}.login-logo strong{color:#0f172a}.editor-grid{display:grid;grid-template-columns:300px 1fr;gap:18px}.file-list{display:grid;gap:6px;max-height:70vh;overflow:auto}.file-list a{padding:9px 10px;border-radius:10px;background:#f8fafc}.file-list a.is-active{background:#eff6ff;color:#2563eb}.code-form textarea{width:100%;min-height:70vh;font-family:Consolas,monospace}@media(max-width:1100px){.admin-shell,.editor-grid{grid-template-columns:1fr}.admin-sidebar{position:relative;height:auto}.stat-grid,.quick-grid,.media-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:680px){.stat-grid,.quick-grid,.media-grid{grid-template-columns:1fr}.admin-card-head,.admin-topbar,.dashboard-hero{flex-direction:column;align-items:flex-start}}