*{box-sizing:border-box}
:root{
  --bg:#f6f8fb; --panel:#ffffff; --panel2:#f9fbff; --text:#1a2340; --muted:#5f6b86;
  --accent:#3b82f6; --accent2:#22d3ee; --danger:#ef4444; --ok:#16a34a; --border:#e6eaf2;
  --radius:16px; --shadow: 0 10px 24px rgba(17,24,39,.08);
}
html,body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,Segoe UI,Roboto,Arial,sans-serif}
.container{max-width:980px;margin:0 auto;padding:16px}
h1{margin:16px 0 8px;font-size:2.2rem;font-weight:800;letter-spacing:.2px}
.accent{background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.card{background:var(--panel);border:1px solid var(--border);box-shadow:var(--shadow);padding:16px;border-radius:var(--radius);margin:16px 0}
.btn{border:none;padding:10px 14px;border-radius:12px;background:#eef2ff;color:#1e293b;cursor:pointer;transition:transform .05s,filter .2s}
.btn:hover{filter:brightness(0.98)} .btn:active{transform:translateY(1px)}
.btn.primary{background:linear-gradient(90deg,var(--accent),var(--accent2));color:white;font-weight:700}
.btn.danger{background:linear-gradient(90deg,#ef4444,#f97316);color:white;font-weight:700}
.grid{display:grid;grid-template-columns:1fr auto;gap:10px}
.row{display:grid;grid-template-columns:1fr auto;gap:10px}
input,textarea,select{width:100%;padding:10px 12px;border-radius:12px;border:1px solid var(--border);background:#ffffff;color:var(--text);outline:none}
.footer{opacity:.8;text-align:center;padding:28px 0}
.empty{text-align:center;color:var(--muted);padding:8px}
.list-head{display:flex;justify-content:space-between;align-items:center;gap:12px}
.search{padding:10px 12px;border-radius:12px;border:1px solid var(--border);background:#ffffff;color:var(--text)}
.muted{color:var(--muted)}
.posts{display:flex;flex-direction:column;gap:12px}
.post{border:1px solid var(--border);border-radius:12px;background:var(--panel);padding:12px;box-shadow:var(--shadow)}
.post .title{font-weight:800;margin:0 0 6px}
.post .meta{display:flex;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:.9rem;margin-bottom:6px}
.badge{font-size:.75rem;padding:4px 8px;border-radius:999px;border:1px solid var(--border);background:#f1f5f9;color:#334155}
.comment{border-top:1px solid var(--border);margin-top:8px;padding-top:8px}
.authbar{display:flex;gap:8px;align-items:center;justify-content:space-between}
@media(max-width:760px){.grid,.row{grid-template-columns:1fr}}

.table{width:100%;border-collapse:collapse;background:var(--panel);border-radius:12px;overflow:hidden}
.table th,.table td{border-bottom:1px solid var(--border);padding:10px;text-align:left}
.positive{color:#059669} .negative{color:#dc2626}
canvas{background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow)}