:root{--bg:#f5f7fb;--panel:#fff;--text:#172033;--muted:#6e7b91;--line:#dde4ef;--primary:#2457ff;--success:#1a8f4b;--error:#c73d3d}
*{box-sizing:border-box}body{margin:0;font-family:Arial,sans-serif;background:var(--bg);color:var(--text)}a{text-decoration:none;color:var(--primary)}label{display:flex;flex-direction:column;gap:8px;font-size:14px;color:var(--text)}input,select,textarea,button{font:inherit}input,select,textarea{padding:12px;border:1px solid var(--line);border-radius:10px;background:#fff;width:100%}textarea{min-width:240px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;border-radius:10px;background:var(--primary);color:#fff;border:0;cursor:pointer}.btn.secondary{background:#e9eef8;color:var(--text)}.flash{padding:12px 14px;border-radius:10px;margin:0 0 18px}.flash.success{background:#e8f7ef;color:var(--success)}.flash.error{background:#fdecec;color:var(--error)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.auth-card{background:var(--panel);padding:28px;border-radius:18px;box-shadow:0 14px 40px rgba(15,32,70,.08);width:min(440px,100%)}.auth-card.wide{width:min(900px,100%)}.auth-card form{display:grid;gap:16px}.checkbox{flex-direction:row;align-items:center}.app-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:#10172a;color:#fff;padding:24px}.logo{font-size:24px;font-weight:700;margin-bottom:24px}.sidebar nav{display:grid;gap:10px}.sidebar nav a{color:#dbe4ff;padding:10px 12px;border-radius:10px}.sidebar nav a:hover,.sidebar nav a.active{background:rgba(255,255,255,.12)}.main{padding:22px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;gap:16px}.topbar h1{margin:0;font-size:28px}.topbar-user{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.card{background:var(--panel);padding:20px;border-radius:18px;box-shadow:0 14px 36px rgba(15,32,70,.06);margin-bottom:18px}.metric{font-size:42px;font-weight:700;margin:8px 0 0}.metric.small{font-size:24px}.grid{display:grid;gap:16px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid .full,.form-actions.full{grid-column:1/-1}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.thumb{width:145px;height:35px;object-fit:cover;border-radius:6px;border:1px solid var(--line)}.banner-preview{max-width:580px;width:100%;height:auto;border-radius:10px;border:1px solid var(--line);background:#fff}.break-word{word-break:break-word;max-width:320px}.stack-actions{display:grid;gap:8px}.inline-form{display:grid;gap:8px}.helper{color:var(--muted)}code{background:#eef3ff;padding:3px 6px;border-radius:6px}.chart-bars{display:grid;grid-template-columns:repeat(auto-fit,minmax(40px,1fr));gap:8px;align-items:end;min-height:220px}.chart-bar-wrap{display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:6px}.chart-bar{width:100%;max-width:28px;background:var(--primary);border-radius:8px 8px 0 0;min-height:8px}.chart-bar-wrap span{font-size:11px;color:var(--muted)}.chart-bar-wrap strong{font-size:12px}.table textarea{min-height:120px}.topbar .btn{white-space:nowrap}.filters{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:16px}.filter-actions{display:flex;align-items:end}.pagination{display:flex;justify-content:center;align-items:center;gap:12px;padding-top:16px}.preview-inline{margin-top:10px;max-width:580px;border:1px solid var(--line);border-radius:10px}[hidden]{display:none!important}@media (max-width:980px){.app-shell{grid-template-columns:1fr}.sidebar{padding:18px}.cards,.grid.two,.filters{grid-template-columns:1fr}.topbar{flex-direction:column;align-items:flex-start}.main{padding:16px}.break-word{max-width:100%}}