:root {
  --bg: #070b18;
  --glass: rgba(20, 27, 48, 0.55);
  --glass-border: rgba(120, 160, 255, 0.18);
}

* { box-sizing: border-box; }

body {
  background: var(--bg);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* オーロラ背景 */
#bg-aurora {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(60% 50% at 15% 10%, rgba(43,127,255,0.28), transparent 60%),
    radial-gradient(50% 45% at 85% 15%, rgba(139,92,246,0.25), transparent 60%),
    radial-gradient(55% 50% at 70% 90%, rgba(34,211,238,0.20), transparent 60%),
    radial-gradient(45% 40% at 25% 85%, rgba(236,72,153,0.15), transparent 60%);
  filter: blur(20px);
  animation: aurora 18s ease-in-out infinite alternate;
}
@keyframes aurora {
  0%   { transform: translate3d(0,0,0) scale(1); }
  50%  { transform: translate3d(-2%, 2%, 0) scale(1.08); }
  100% { transform: translate3d(2%, -1%, 0) scale(1.04); }
}
body::before {
  content: "";
  position: fixed; inset: 0; z-index: -1;
  background-image:
    linear-gradient(rgba(120,160,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,160,255,0.04) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 40%, transparent 100%);
}

/* ガラスカード */
.glass {
  background: var(--glass);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.05);
}
.glass-hover { transition: transform .25s cubic-bezier(.2,.8,.2,1), box-shadow .25s, border-color .25s; }
.glass-hover:hover {
  transform: translateY(-4px);
  border-color: rgba(120,160,255,0.4);
  box-shadow: 0 14px 50px rgba(43,127,255,0.25), inset 0 1px 0 rgba(255,255,255,0.08);
}

.grad-text {
  background: linear-gradient(90deg,#4f9dff,#22d3ee,#8b5cf6);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.btn-primary {
  background: linear-gradient(90deg,#2b7fff,#6366f1);
  color: #fff; border: none; border-radius: 12px;
  transition: filter .2s, transform .1s, box-shadow .2s;
  box-shadow: 0 6px 20px rgba(43,127,255,0.35);
}
.btn-primary:hover { filter: brightness(1.1); box-shadow: 0 8px 28px rgba(43,127,255,0.5); }
.btn-primary:active { transform: scale(.98); }
.btn-ghost {
  background: rgba(255,255,255,0.06); color:#cbd5e1;
  border:1px solid rgba(255,255,255,0.12); border-radius:12px;
  transition: background .2s, color .2s;
}
.btn-ghost:hover { background: rgba(255,255,255,0.12); color:#fff; }

.input {
  background: rgba(9,14,28,0.7);
  border: 1px solid rgba(120,160,255,0.2);
  border-radius: 12px; color: #f1f5f9;
  transition: border-color .2s, box-shadow .2s;
}
.input:focus { outline:none; border-color:#4f9dff; box-shadow:0 0 0 3px rgba(79,157,255,0.2); }

/* サイドバー */
.nav-item { transition: background .2s, color .2s; border-radius: 12px; }
.nav-item.active { background: linear-gradient(90deg, rgba(43,127,255,0.25), rgba(139,92,246,0.15)); color:#fff; box-shadow: inset 0 0 0 1px rgba(120,160,255,0.3); }
.nav-item:not(.active):hover { background: rgba(255,255,255,0.06); }

/* プログレスリング / バー */
.progbar { height: 8px; background: rgba(255,255,255,0.08); border-radius: 99px; overflow: hidden; }
.progbar > span { display:block; height:100%; background: linear-gradient(90deg,#22d3ee,#4f9dff); border-radius:99px; transition: width .6s cubic-bezier(.2,.8,.2,1); }

/* バッジ */
.badge { font-size: 11px; padding: 3px 9px; border-radius: 99px; font-weight: 600; }
.badge-2b { background: rgba(34,211,238,0.15); color:#67e8f9; border:1px solid rgba(34,211,238,0.3); }
.badge-3c { background: rgba(139,92,246,0.15); color:#c4b5fd; border:1px solid rgba(139,92,246,0.3); }
.badge-live { background: rgba(34,197,94,0.15); color:#86efac; border:1px solid rgba(34,197,94,0.35); }
.badge-wait { background: rgba(234,179,8,0.15); color:#fde047; border:1px solid rgba(234,179,8,0.35); }
.badge-done { background: rgba(43,127,255,0.15); color:#93c5fd; border:1px solid rgba(43,127,255,0.35); }

.pulse-dot { width:8px; height:8px; border-radius:99px; background:#22c55e; box-shadow:0 0 0 0 rgba(34,197,94,.6); animation: pulse 1.6s infinite; }
@keyframes pulse { 0%{box-shadow:0 0 0 0 rgba(34,197,94,.6);} 70%{box-shadow:0 0 0 10px rgba(34,197,94,0);} 100%{box-shadow:0 0 0 0 rgba(34,197,94,0);} }

/* トースト */
#toast-container { position: fixed; top: 20px; right: 20px; z-index: 9999; display:flex; flex-direction:column; gap:10px; }
.toast { min-width: 260px; padding: 14px 18px; border-radius: 14px; color:#fff; font-weight:500; box-shadow:0 10px 40px rgba(0,0,0,.4); animation: slideIn .3s cubic-bezier(.2,.8,.2,1); }
.toast.success { background: linear-gradient(90deg,#059669,#10b981); }
.toast.error { background: linear-gradient(90deg,#dc2626,#ef4444); }
.toast.info { background: linear-gradient(90deg,#2563eb,#3b82f6); }
@keyframes slideIn { from{opacity:0; transform:translateX(40px);} to{opacity:1; transform:translateX(0);} }

.fade-in { animation: fadeIn .4s ease; }
@keyframes fadeIn { from{opacity:0; transform:translateY(8px);} to{opacity:1; transform:translateY(0);} }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(120,160,255,0.25); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: rgba(120,160,255,0.4); }

/* モーダル */
.modal-backdrop { position: fixed; inset:0; background: rgba(3,6,16,0.7); backdrop-filter: blur(6px); z-index: 100; display:flex; align-items:center; justify-content:center; padding:16px; animation: fadeIn .2s; }

/* ローディングスピナー */
.spinner { width:44px; height:44px; border-radius:50%; border:3px solid rgba(120,160,255,0.2); border-top-color:#4f9dff; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }