/* style.css からの上書き */
.page {
  flex: 1;
  max-width: 820px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* --- Toolbar --- */
.toolbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 14px 18px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); flex-wrap: wrap;
}
.stat {
  display: flex; align-items: baseline; gap: 10px;
  font-family: "JetBrains Mono", monospace; font-size: 11px;
  letter-spacing: 0.16em; color: var(--muted);
}
.stat b {
  font-family: "JetBrains Mono", monospace; font-weight: 600;
  font-size: 16px; color: var(--ink); letter-spacing: 0.02em;
}
.stat .sep { width: 1px; height: 18px; background: var(--border); margin: 0 4px; align-self: center; }
.toolbar-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* --- Buttons --- */
.btn {
  appearance: none; border: 1px solid var(--border); background: var(--surface);
  color: var(--ink); font-family: "Noto Sans JP", sans-serif;
  font-weight: 500; font-size: 13.5px; padding: 8px 16px; border-radius: 999px;
  cursor: pointer; transition: transform 80ms, background 120ms, border-color 120ms, color 120ms;
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
}
.btn:hover { background: var(--hover); border-color: #d1d5db; }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--ink); border-color: var(--ink); color: #fff; font-weight: 600; }
.btn.primary:hover { background: #374151; border-color: #374151; }
.btn.accent { background: var(--accent); border-color: var(--accent); color: white; font-weight: 700; }
.btn.accent:hover { background: var(--accent-deep); border-color: var(--accent-deep); }
.btn .sym { font-family: "JetBrains Mono", monospace; font-size: 15px; font-weight: 600; }

/* --- Counter grid --- */
.counter-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.counter {
  position: relative; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; display: flex; flex-direction: column; gap: 14px;
  transition: border-color 200ms, box-shadow 200ms;
}
.counter:hover { border-color: #d1d5db; box-shadow: 0 4px 16px -8px rgba(0,0,0,0.1); }

.counter-head { display: flex; align-items: center; gap: 10px; }
.counter-index {
  font-family: "JetBrains Mono", monospace; font-size: 10px;
  letter-spacing: 0.16em; color: var(--muted);
  background: var(--hover); border: 1px solid var(--border);
  padding: 3px 8px; border-radius: 999px; flex-shrink: 0;
}
.counter-name {
  flex: 1; border: none; outline: none; background: transparent;
  font-family: "Noto Sans JP", sans-serif; font-weight: 700;
  font-size: 15px; color: var(--ink); padding: 4px 6px;
  border-bottom: 1px dashed transparent;
  transition: border-color 120ms, background 120ms;
}
.counter-name::placeholder { color: var(--muted); font-weight: 400; }
.counter-name:hover { border-bottom-color: #d1d5db; }
.counter-name:focus { border-bottom-color: var(--accent); background: var(--accent-soft); border-radius: 4px; }

.delete-btn {
  appearance: none; background: transparent; border: 1px solid var(--border);
  color: var(--muted); width: 28px; height: 28px; border-radius: 50%; padding: 0;
  display: grid; place-items: center; cursor: pointer;
  transition: background 120ms, color 120ms, border-color 120ms; flex-shrink: 0;
}
.delete-btn:hover { background: var(--danger-soft); color: var(--danger); border-color: #fca5a5; }

/* --- Counter display --- */
.counter-display {
  background: var(--hover); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px 16px 18px; display: flex; flex-direction: column; align-items: center; gap: 6px;
}
.counter-display-label {
  font-family: "JetBrains Mono", monospace; font-size: 10px;
  letter-spacing: 0.22em; color: var(--muted); text-transform: uppercase;
}
.counter-value {
  font-family: "JetBrains Mono", monospace; font-weight: 600; font-size: 56px;
  color: var(--ink); line-height: 1.05; letter-spacing: 0.02em; font-variant-numeric: tabular-nums;
  width: 100%; text-align: center; border: none; outline: none;
  background: transparent; padding: 4px 0; -moz-appearance: textfield;
}
.counter-value::-webkit-outer-spin-button,
.counter-value::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.counter-value:focus { color: var(--accent-deep); }
.counter.is-zero .counter-value { color: var(--muted); }
.counter.is-negative .counter-value { color: var(--danger); }

/* --- Counter controls --- */
.counter-controls { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.step-btn {
  appearance: none; border: 1px solid var(--border); background: var(--surface);
  color: var(--ink); font-family: "JetBrains Mono", monospace;
  font-weight: 600; font-size: 18px; line-height: 1; padding: 0;
  height: 48px; border-radius: var(--radius);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: transform 80ms, background 120ms, border-color 120ms, color 120ms;
}
.step-btn:hover { background: var(--accent-soft); border-color: var(--accent); color: var(--accent-deep); }
.step-btn:active { transform: translateY(1px); }
.step-btn.minus:hover { background: var(--danger-soft); border-color: #fca5a5; color: var(--danger); }

.counter-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
}
.step-select {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--hover); border: 1px solid var(--border);
  border-radius: 999px; padding: 4px 10px 4px 12px;
  transition: border-color 120ms;
}
.step-select:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.step-select label {
  font-family: "JetBrains Mono", monospace; font-size: 10px;
  letter-spacing: 0.16em; color: var(--muted); text-transform: uppercase;
}
.step-select input {
  width: 44px; border: none; outline: none; background: transparent;
  font-family: "JetBrains Mono", monospace; font-weight: 600;
  font-size: 13px; color: var(--ink); text-align: right; -moz-appearance: textfield;
}
.step-select input::-webkit-outer-spin-button,
.step-select input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.reset-btn {
  appearance: none; background: transparent; border: 1px dashed var(--border);
  color: var(--muted); font-family: "JetBrains Mono", monospace;
  font-size: 11px; letter-spacing: 0.12em; padding: 5px 12px;
  border-radius: 999px; cursor: pointer;
  transition: background 120ms, color 120ms, border-color 120ms;
}
.reset-btn:hover { background: var(--accent-soft); border-color: var(--accent); border-style: solid; color: var(--accent-deep); }

/* --- Empty state --- */
.empty {
  background: var(--surface); border: 1px dashed var(--border); border-radius: var(--radius);
  padding: 56px 20px; text-align: center; color: var(--muted); grid-column: 1 / -1;
}
.empty b { display: block; color: var(--sub); font-size: 15px; font-weight: 700; margin-bottom: 4px; }

@media (max-width: 640px) {
  .counter-list { grid-template-columns: 1fr; }
  .counter { min-width: 0; padding: 14px; }
  .counter-value { font-size: 44px; min-width: 0; }
  .toolbar { flex-direction: column; align-items: stretch; gap: 12px; padding: 12px 14px; }
  .toolbar-actions { flex-wrap: wrap; }
  .toolbar-actions .btn { flex: 1; min-width: 0; justify-content: center; white-space: nowrap; font-size: 12px; padding: 7px 10px; }
  .toolbar-actions .btn.accent { flex: 1 1 100%; }
  .stat { flex-wrap: wrap; gap: 6px; }
}