:root {
  --bg1: #f6efe7;
  --bg2: #dce8f5;
  --panel: #ffffffd9;
  --text: #13202f;
  --muted: #5a6776;
  --accent: #0c6b58;
  --accent-2: #1b8d74;
  --warn: #ab2f2f;
  --ok: #1a7d45;
  --border: #c9d6e4;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, sans-serif;
  color: var(--text);
  min-height: 100vh;
  background: linear-gradient(130deg, var(--bg1), var(--bg2));
}

.bg {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 10% 20%, #ffffff80 0%, transparent 45%),
    radial-gradient(circle at 90% 75%, #ffffff99 0%, transparent 43%);
  pointer-events: none;
}

.app {
  max-width: 920px;
  margin: 22px auto;
  padding: 16px;
}

.topbar,
.status-card,
.mode-tabs,
.mode-panel {
  background: var(--panel);
  backdrop-filter: blur(2px);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 8px 24px #2a3f5a18;
}

.topbar {
  display: flex;
  gap: 12px;
  justify-content: space-between;
  align-items: flex-end;
  padding: 16px;
}

.topbar h1 {
  margin: 0;
  font-size: 1.4rem;
}

.controls {
  display: flex;
  gap: 10px;
  align-items: flex-end;
  flex-wrap: wrap;
}

.direction-wrap {
  display: grid;
  gap: 4px;
  font-size: 0.9rem;
  color: var(--muted);
}

.toggle-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--muted);
}

.status-card {
  margin-top: 12px;
  padding: 12px 14px;
}

.status-card p {
  margin: 4px 0;
}

.goals-row input {
  min-width: 150px;
}

#trendText {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.95rem;
}

.mistakes-box {
  margin-top: 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  background: #f9fcff;
}

.mistake-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.mistake-item {
  background: #e9f1f9;
  border: 1px solid #d2deea;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 0.9rem;
}

.mode-tabs {
  margin-top: 12px;
  padding: 8px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.tab {
  border: 1px solid var(--border);
  background: #f3f7fb;
  border-radius: 10px;
  padding: 10px;
  cursor: pointer;
  font-weight: 600;
}

.tab.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.mode-panel {
  margin-top: 12px;
  padding: 16px;
  display: none;
}

.mode-panel.active {
  display: block;
}

.card-box {
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 26px;
  text-align: center;
  font-size: 1.6rem;
  font-weight: 700;
  min-height: 140px;
  display: grid;
  place-items: center;
}

.row {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  flex-wrap: wrap;
}

button,
select,
input {
  font: inherit;
}

button {
  border: none;
  border-radius: 10px;
  padding: 10px 14px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}

button.secondary {
  background: #4d5c6c;
}

button.ghost {
  background: #e7eef5;
  color: var(--text);
}

button:disabled {
  opacity: 0.6;
  cursor: default;
}

input,
select {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  background: #fff;
}

.prompt {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 6px 0 12px;
}

.feedback {
  margin-top: 10px;
  min-height: 24px;
  font-weight: 600;
}

.feedback.ok {
  color: var(--ok);
}

.feedback.bad {
  color: var(--warn);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.list-box {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
}

.list-box h3 {
  margin-top: 0;
}

.list-item {
  width: 100%;
  text-align: left;
  margin-bottom: 8px;
}

.score {
  margin-top: 12px;
  font-weight: 700;
}

@media (max-width: 760px) {
  .topbar {
    align-items: stretch;
    flex-direction: column;
  }

  .mode-tabs {
    grid-template-columns: 1fr 1fr;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }
}