:root{
  --bg:#0b0f1e;--surface:#111827;--surface-2:#1f2937;--ink:#f3f4f6;--ink-weak:#cbd5e1;
  --accent:#3b82f6;--accent-hover:#2563eb;--danger:#ef4444;--success:#22c55e;--warning:#f59e0b;
  --border:#334155;--shadow:0 10px 15px -3px rgba(0,0,0,.3),0 4px 6px -4px rgba(0,0,0,.2);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;}
body{
  font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.5;-webkit-text-size-adjust:100%;
  padding-top: env(safe-area-inset-top);
}

.navbar{
  position:sticky;top:0;z-index:50;
  background:rgba(17,24,39,.95);backdrop-filter: blur(10px);-webkit-backdrop-filter: blur(10px);
  border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;
  gap:8px;padding:10px 12px;
}
.logo{font-weight:700;letter-spacing:-0.01em;font-size:1rem;color:var(--ink);text-decoration:none;display:inline-flex;align-items:center;gap:6px;}
.logo kbd{padding:2px 6px;background:linear-gradient(135deg,#6366f1,#06b6d4);color:white;border-radius:6px;font-size:.7rem;}
.nav-toggle{display:none;background:none;border:1px solid var(--border);color:var(--ink);border-radius:8px;padding:6px 10px;font-size:1.1rem;}
.nav-links{display:flex;gap:6px;align-items:center;overflow-x:auto;white-space:nowrap;padding:2px 0;-webkit-overflow-scrolling:touch;}
.nav-links a{color:var(--ink-weak);text-decoration:none;font-size:.85rem;padding:7px 10px;border-radius:10px;}
.nav-links a:hover,.nav-links a.active{color:white;background:var(--surface-2)}

#app{padding:18px 20px 60px;max-width:980px;margin:0 auto}
.page{display:none;animation:fadeIn .22s ease}.page.active{display:block}
@keyframes fadeIn{from{opacity:0;transform:translateY(3px)}to{opacity:1;transform:translateY(0)}}

.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:14px;box-shadow:var(--shadow);margin-bottom:12px;}
.grid{display:grid;gap:12px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}
.hero{margin-bottom:14px}.hero h1{font-size:1.15rem;font-weight:700}.hero p{color:var(--ink-weak);font-size:.85rem;margin-top:4px}
.empty{color:var(--ink-weak);padding:18px 0;font-size:.92rem}

.input,select,textarea, input[type="date"], input[type="number"], input[type="time"]{
  background:var(--surface-2);border:1px solid var(--border);color:var(--ink);border-radius:10px;
  padding:10px 12px;font:inherit;width:100%;outline:none;min-height:42px;
}
select{-webkit-appearance:none;appearance:none;padding-right:28px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23cbd5e1' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;}
textarea{min-height:120px;resize:vertical;}

.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border:none;border-radius:10px;background:var(--accent);color:white;font:inherit;font-weight:600;cursor:pointer;transition:background .15s;}
.btn:hover{background:var(--accent-hover)}
.btn-danger{background:var(--danger)}
.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--ink-weak)}
.btn-sm{padding:6px 10px;font-size:.82rem;border-radius:8px}

.badge{display:inline-block;padding:3px 8px;border-radius:999px;background:var(--surface-2);color:var(--ink-weak);font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.03em;}
.badge-accent{background:rgba(59,130,246,.15);color:var(--accent)}
.badge-success{background:rgba(34,197,94,.15);color:var(--success)}
.badge-warning{background:rgba(245,158,11,.15);color:var(--warning)}

.list-item{display:flex;align-items:flex-start;gap:10px;padding:12px;border-bottom:1px solid var(--border);}
.list-item:last-child{border-bottom:none}
.list-item .meta{font-size:.78rem;color:var(--ink-weak);margin-top:4px}

.tabs{display:flex;gap:6px;margin-bottom:14px;overflow-x:auto;padding-bottom:4px;}
.tab{padding:8px 12px;border-radius:8px;border:1px solid var(--border);background:transparent;color:var(--ink-weak);cursor:pointer;font:inherit;font-size:.82rem;white-space:nowrap;}
.tab.active{background:var(--accent);color:white;border-color:var(--accent)}

form{display:flex;flex-direction:column;gap:10px}
label{font-size:.82rem;color:var(--ink-weak);font-weight:500}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:4px}

.mood-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}
.mood-btn{border:2px solid var(--border);border-radius:12px;padding:14px;text-align:center;background:var(--surface);color:var(--ink);cursor:pointer;transition:border-color .15s,transform .1s;}
.mood-btn:hover{border-color:var(--accent)}
.mood-btn.selected{border-color:var(--accent);background:rgba(59,130,246,.1)}
.mood-emoji{font-size:28px;display:block;margin-bottom:4px}
.mood-label{font-size:.78rem;color:var(--ink-weak)}

.habit-item{display:flex;align-items:center;gap:10px;padding:12px;border-bottom:1px solid var(--border);}
.habit-item:last-child{border-bottom:none}
.habit-check{width:20px;height:20px;border-radius:6px;border:2px solid var(--border);background:var(--surface-2);cursor:pointer;display:flex;align-items:center;justify-content:center;color:transparent;font-size:14px;transition:all .15s;}
.habit-check.done{background:var(--success);border-color:var(--success);color:white}
.habit-name{flex:1;font-weight:500}
.habit-streak{font-size:.78rem;color:var(--warning);font-weight:600}

.chart-bar{height:8px;border-radius:4px;background:var(--surface-2);overflow:hidden;margin-top:6px;}
.chart-fill{height:100%;background:var(--accent);border-radius:4px;transition:width .3s ease;}

.settings-row{display:flex;align-items:center;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--border);}
.settings-row:last-child{border-bottom:none}
.toggle{width:44px;height:24px;border-radius:12px;background:var(--surface-2);border:1px solid var(--border);cursor:pointer;position:relative;transition:background .15s;}
.toggle.on{background:var(--accent)}
.toggle::after{content:'';position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:white;transition:transform .15s;}
.toggle.on::after{transform:translateX(20px)}

@media (max-width: 780px) {
  .nav-toggle{display:block}
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:rgba(17,24,39,.98);backdrop-filter:blur(12px);flex-direction:column;padding:10px;border-bottom:1px solid var(--border);}
  .nav-links.collapsed{display:none}
  .nav-links:not(.collapsed){display:flex}
  .nav-links a{width:100%;border-radius:8px;padding:10px 14px;}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .mood-grid{grid-template-columns:repeat(3,1fr)}
}