:root {
  --bg: #0F172A;
  --bg-card: #1E293B;
  --text: #E2E8F0;
  --text-sec: #94A3B8;
  --text-muted: #475569;
  --primary: #6366F1;
  --accent: #10B981;
  --amber: #F59E0B;
  --red: #EF4444;
  --border: rgba(99,102,241,0.08);
  --radius: 10px;
  --font: 'Inter',system-ui,sans-serif;
}

@media(prefers-color-scheme:light){
  :root{--bg:#F8FAFC;--bg-card:#FFFFFF;--text:#1E293B;--text-sec:#64748B;--text-muted:#94A3B8;--border:rgba(99,102,241,0.1)}
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh}

.header{display:flex;align-items:center;justify-content:space-between;padding:8px 16px;background:var(--bg-card);border-bottom:1px solid var(--border)}
.header h1{font-size:.92rem;font-weight:700;color:var(--primary)}
.header-left,.header-right{display:flex;align-items:center;gap:8px}

.btn{padding:4px 10px;border:1px solid var(--border);border-radius:8px;background:transparent;color:var(--text-sec);font-family:var(--font);font-size:.7rem;cursor:pointer;transition:.2s}
.btn:hover{border-color:var(--primary);color:var(--primary)}
.btn.danger{color:var(--red);border-color:rgba(239,68,68,.15)}
.btn.danger:hover{border-color:var(--red)}

.progress-badge{padding:3px 8px;border-radius:6px;background:rgba(16,185,129,.1);color:var(--accent);font-size:.7rem;font-weight:700}

.progress-bar-wrap{height:3px;background:var(--bg-card);overflow:hidden}
.progress-bar{height:100%;width:0%;background:linear-gradient(90deg,var(--primary),var(--accent));transition:width .4s ease}

.phases{display:flex;border-bottom:1px solid var(--border);background:var(--bg-card);overflow-x:auto}
.phase-btn{padding:8px 16px;border:none;background:transparent;color:var(--text-muted);font-family:var(--font);font-size:.74rem;cursor:pointer;border-bottom:2px solid transparent;transition:.2s;white-space:nowrap}
.phase-btn.active{color:var(--primary);border-bottom-color:var(--primary)}

.app{max-width:680px;margin:0 auto;padding:12px}

.room-section{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:10px 12px;margin-bottom:8px}
.room-header{display:flex;align-items:center;justify-content:space-between;cursor:pointer}
.room-header h2{font-size:.78rem;font-weight:600;margin:0}
.room-count{font-size:.6rem;color:var(--text-muted)}

.task-list{margin-top:6px}
.task-item{display:flex;align-items:flex-start;gap:8px;padding:5px 0;border-bottom:1px solid var(--border)}
.task-item:last-child{border-bottom:none}
.task-item input[type=checkbox]{accent-color:var(--accent);margin-top:3px;flex-shrink:0}
.task-item.done .task-text{text-decoration:line-through;color:var(--text-muted)}
.task-text{font-size:.78rem;flex:1}
.task-note{width:100%;margin-top:3px;padding:4px 6px;border:1px solid var(--border);border-radius:4px;background:transparent;color:var(--text-sec);font-family:var(--font);font-size:.66rem;resize:none}

/* Contacts */
.contact-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:10px 12px;margin-bottom:6px;display:flex;justify-content:space-between;align-items:center}
.contact-name{font-size:.78rem;font-weight:600}
.contact-info{font-size:.66rem;color:var(--text-sec)}

@media print{
  .header,.phases,.progress-bar-wrap,.btn{display:none!important}
  body{background:#fff;color:#000}
  .room-section,.contact-card{border:1px solid #ddd;break-inside:avoid}
  .app{max-width:100%;padding:0}
}

@media(max-width:480px){
  .header h1{font-size:.8rem}
  .phase-btn{padding:6px 10px;font-size:.66rem}
}