styles.css

:root{
  --bg:#0b0f11;
  --card:#0f1416;
  --muted:#9aa0a6;
  --accent:#ff8a65;
  --accent2:#8bc34a;
  --accent3:#4fc3f7;
  --glass: rgba(255,255,255,0.03);
  --glass-2: rgba(255,255,255,0.02);
  --radius: 12px;
  --fs: 16px;
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto; background:linear-gradient(180deg,var(--bg),#071011); color:#e9eef0; -webkit-font-smoothing:antialiased;}
.app{max-width:1100px;margin:28px auto;padding:20px}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;gap:12px;align-items:center}
.logo{width:56px;height:56px;border-radius:12px;background:linear-gradient(135deg,var(--accent),#ff7043);display:flex;align-items:center;justify-content:center;font-weight:700;color:#061417}
h1{margin:0;font-size:18px}
.subtitle{font-size:12px;color:var(--muted)}
.controls{display:flex;gap:8px;align-items:center}
.controls input{padding:10px;border-radius:10px;background:rgba(255,255,255,0.02);border:1px solid rgba(255,255,255,0.02);color:inherit}
.btn{padding:8px 12px;border-radius:10px;background:var(--card);border:1px solid rgba(255,255,255,0.02);cursor:pointer}
.btn.ghost{background:transparent}
.btn.danger{background:#3b0b0b;color:#ffd6d6}
.upload input{display:none}

.tabs{display:flex;gap:8px;margin-top:14px}
.tab{padding:10px 16px;border-radius:10px;background:var(--card);border:1px solid rgba(255,255,255,0.02);cursor:pointer}
.tab.active{box-shadow:0 8px 28px rgba(0,0,0,0.6);transform:translateY(-2px)}

.main{display:flex;gap:18px;margin-top:18px}
.board{flex:1}
.sidepanel{width:320px;background:linear-gradient(180deg, rgba(255,255,255,0.015), rgba(255,255,255,0.01));padding:14px;border-radius:12px;border:1px solid rgba(255,255,255,0.02)}

.cards-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.priority-card{background:linear-gradient(180deg,var(--glass),var(--glass-2));border-radius:var(--radius);padding:14px;border:1px solid rgba(255,255,255,0.03);min-height:120px;transition:transform .18s ease}
.priority-card:hover{transform:translateY(-6px)}
.priority-title{font-weight:700;margin-bottom:10px;color:var(--accent);font-size:14px}
.list{display:grid;gap:8px}
.item{display:flex;align-items:center;gap:12px;padding:6px;border-radius:8px}
.item input[type="checkbox"]{width:18px;height:18px;border-radius:5px}
.item span{font-size:var(--fs)}
.meta{margin-left:auto;display:flex;gap:8px;align-items:center}
.date{padding:6px 8px;border-radius:8px;background:rgba(255,255,255,0.02);font-size:12px;color:var(--muted)}
.panel-section{margin-bottom:12px}
.panel-section h3{margin:0 0 8px 0;font-size:15px}
.small.muted{font-size:12px;color:var(--muted);margin-top:6px}
.footer{margin-top:18px;color:var(--muted);font-size:13px}

/* responsive */
@media (max-width:980px){
  .main{flex-direction:column}
  .sidepanel{width:100%}
  .cards-grid{grid-template-columns:1fr}
}