:root {
  --bg: #eef6e6;
  --panel: #ffffff;
  --ink: #26331f;
  --muted: #6b7a63;
  --accent: #3f9142;
  --accent-dark: #2c6b2f;
  --danger: #c0392b;
  --border: #d7e6cd;
  --shadow: 0 2px 10px rgba(40, 60, 30, 0.12);
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Microsoft JhengHei", "PingFang TC", "Noto Sans TC", system-ui, sans-serif;
  line-height: 1.5;
}

a {
  color: var(--accent-dark);
}

header.topbar {
  background: var(--accent);
  color: #fff;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  box-shadow: var(--shadow);
}

header.topbar h1 {
  margin: 0;
  font-size: 1.25rem;
}

header.topbar .mode-badge {
  font-size: 0.8rem;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.2);
}

.mode-badge.firebase {
  background: #1e88e5;
}

.mode-badge.local {
  background: #f39c12;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 20px;
  box-shadow: var(--shadow);
}

.panel h2 {
  margin-top: 0;
  font-size: 1.05rem;
  color: var(--accent-dark);
  display: flex;
  align-items: center;
  gap: 8px;
}

.landing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 700px) {
  .landing-grid {
    grid-template-columns: 1fr;
  }
}

.big-link-card {
  display: block;
  background: var(--panel);
  border: 2px solid var(--accent);
  border-radius: 16px;
  padding: 28px 20px;
  text-align: center;
  text-decoration: none;
  color: var(--ink);
  box-shadow: var(--shadow);
  transition: transform 0.1s ease;
}

.big-link-card:hover {
  transform: translateY(-2px);
}

.big-link-card .emoji {
  font-size: 2.4rem;
  display: block;
  margin-bottom: 10px;
}

.big-link-card h2 {
  color: var(--accent-dark);
  justify-content: center;
}

.field-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-bottom: 12px;
}

.field-row label {
  font-weight: 600;
  color: var(--muted);
  min-width: 90px;
}

.mode-toggle {
  display: inline-flex;
  border: 1px solid var(--accent);
  border-radius: 999px;
  overflow: hidden;
}

.mode-toggle button {
  border: none;
  background: transparent;
  padding: 8px 16px;
  cursor: pointer;
  color: var(--accent-dark);
  font-weight: 600;
}

.mode-toggle button.active {
  background: var(--accent);
  color: #fff;
}

.type-count-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
  margin: 10px 0;
}

.type-count-item {
  display: flex;
  align-items: center;
  gap: 8px;
  border-radius: 10px;
  padding: 8px 10px;
  border: 1px solid var(--border);
}

.type-swatch {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.15);
  flex-shrink: 0;
}

.type-count-item .type-name {
  flex: 1;
  font-size: 0.92rem;
}

.stepper {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.stepper button {
  border: none;
  background: #f2f7ee;
  width: 26px;
  height: 26px;
  cursor: pointer;
  font-size: 1rem;
  color: var(--accent-dark);
}

.stepper span {
  display: inline-block;
  min-width: 26px;
  text-align: center;
  font-weight: 700;
}

select,
input[type="number"],
textarea {
  font-family: inherit;
  font-size: 0.95rem;
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--ink);
}

textarea {
  width: 100%;
  min-height: 60px;
  resize: vertical;
}

.sentence-preview {
  background: #f4fbf1;
  border: 1px dashed var(--accent);
  border-radius: 10px;
  padding: 14px 16px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--accent-dark);
  min-height: 1.4em;
}

.btn {
  border: none;
  border-radius: 10px;
  padding: 10px 18px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  color: #fff;
  background: var(--accent);
}

.btn:hover {
  background: var(--accent-dark);
}

.btn.secondary {
  background: #8aa683;
}

.btn.danger {
  background: var(--danger);
}

.btn:disabled {
  background: #b9c6b3;
  cursor: not-allowed;
}

.btn-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.round-display {
  text-align: center;
}

.round-sentence {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent-dark);
  margin: 6px 0 14px;
}

.round-progress-wrap {
  background: #e6efdf;
  border-radius: 999px;
  height: 22px;
  overflow: hidden;
  max-width: 400px;
  margin: 0 auto 8px;
}

.round-progress-bar {
  background: var(--accent);
  height: 100%;
  transition: width 0.2s ease;
}

.round-progress-text {
  font-weight: 700;
  color: var(--muted);
}

.round-card-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 14px;
}

.card-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.card-chip .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: currentColor;
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 360px;
  overflow-y: auto;
}

.history-round {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
}

.history-round .sentence {
  font-weight: 700;
  color: var(--accent-dark);
  margin-bottom: 6px;
}

.history-round .meta {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 6px;
}

.pikmin-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pikmin-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pikmin-row .row-label {
  width: 96px;
  flex-shrink: 0;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
}

.pikmin-buttons {
  display: grid;
  grid-template-columns: repeat(9, minmax(0, 1fr));
  gap: 6px;
  flex: 1;
}

.pikmin-card-btn {
  border: none;
  border-radius: 10px;
  padding: 12px 0;
  font-weight: 800;
  font-size: 1rem;
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
  transition: transform 0.05s ease, opacity 0.15s ease;
}

.pikmin-card-btn:active {
  transform: scale(0.94);
}

.pikmin-card-btn.used {
  background: #d9d9d9 !important;
  color: #8a8a8a !important;
  cursor: not-allowed;
  box-shadow: none;
  opacity: 0.7;
}

.remain-badge {
  position: absolute;
  top: 2px;
  right: 4px;
  font-size: 0.6rem;
  font-weight: 700;
  opacity: 0.85;
}

.top-status {
  position: sticky;
  top: 0;
  z-index: 5;
}

.legend {
  font-size: 0.85rem;
  color: var(--muted);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.legend .swatch-box {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 3px;
  margin-right: 4px;
  vertical-align: middle;
}

footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  padding: 20px;
}

.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: #26331f;
  color: #fff;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.9rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 50;
}

.toast.show {
  opacity: 1;
}