* { box-sizing: border-box; }
html { min-height: 100%; background: var(--bg); }
body { margin: 0; min-height: 100%; background: transparent; }
/* Latar ditempel ke viewport (fixed) agar tetap menutupi layar saat halaman di-scroll. */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(1000px 640px at 50% -8%, rgba(34, 52, 120, .75) 0%, transparent 70%),
    radial-gradient(760px 520px at 100% 100%, rgba(109, 40, 217, .16) 0%, transparent 70%),
    radial-gradient(640px 460px at 0% 100%, rgba(34, 211, 238, .08) 0%, transparent 70%),
    var(--bg);
}
body {
  color: var(--text);
  font-family: var(--font);
  line-height: 1.45;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
h1, h2, h3 { margin: 0; }
button { font: inherit; color: inherit; cursor: pointer; }
[hidden] { display: none !important; }
.muted { color: var(--muted); }
.center { text-align: center; }

.btn {
  background: var(--panel2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 16px;
  min-height: 44px;
  transition: transform .12s, border-color .15s, background .15s;
}
.btn:hover { border-color: var(--cyan); }
.btn:active { transform: scale(.97); }
.btn:focus-visible, .tile:focus-visible, .card:focus-visible, .lvl:focus-visible { outline: 3px solid var(--yellow); outline-offset: 2px; }
.btn.primary { background: linear-gradient(135deg, #0e7490, #6d28d9); border-color: transparent; font-weight: 700; }
.btn.primary:hover { filter: brightness(1.15); }
.btn.ghost { background: transparent; border-color: transparent; }
.btn.ghost:hover { border-color: var(--line); }
.btn.danger { background: #3b1620; border-color: #7f1d1d; color: #fecaca; }
.btn.big { font-size: 1.05rem; padding: 14px 20px; }
.btn[disabled] { opacity: .45; cursor: not-allowed; }

.check { display: flex; gap: 10px; align-items: center; justify-content: center; margin: 8px 0; }
.check input { width: 20px; height: 20px; accent-color: var(--cyan); }

.stars { font-size: 2.4rem; letter-spacing: 6px; color: var(--line); }
.stars .on { color: var(--yellow); text-shadow: 0 0 12px rgba(250, 204, 21, .6); }

.modal-backdrop {
  position: fixed; inset: 0; background: rgba(5, 8, 18, .72);
  display: grid; place-items: center; padding: 16px; z-index: 50;
}
.modal {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  max-width: 440px; width: 100%; padding: 20px; max-height: 88vh; overflow: auto;
}
.modal h2 { margin-bottom: 10px; color: var(--cyan); }
.modal-body { margin-bottom: 16px; color: var(--text); }
.modal-body ol { padding-left: 20px; margin: 0; }
.modal-body li { margin-bottom: 6px; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap; }

.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
  background: var(--panel2); border: 1px solid var(--cyan); padding: 10px 16px;
  border-radius: 999px; z-index: 60; max-width: 90vw; text-align: center;
}

/* Tombol jeda: ikon dibuat lebih besar agar mudah dilihat dan diketuk */
#btn-pause { font-size: 1.35rem; padding: 6px 14px; }