:root {
  --bg: #f2f4f8;
  --surface: #ffffff;
  --text: #12202f;
  --muted: #4b5968;
  --accent: #0a7f5a;
  --accent-2: #0c5ea8;
  --danger: #bf2f47;
  --border: #d6dde6;
  --shadow: 0 10px 24px rgba(17, 36, 57, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, #d9f0e7 0, transparent 30%),
    linear-gradient(160deg, #f5f7fa, #ebeff4);
  min-height: 100vh;
}

.tools-toggle-btn {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 30;
  background: var(--accent-2);
  box-shadow: var(--shadow);
}

.tools-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(360px, 92vw);
  height: 100vh;
  background: #f9fbff;
  border-left: 1px solid var(--border);
  box-shadow: -8px 0 24px rgba(17, 36, 57, 0.14);
  padding: 1rem;
  transform: translateX(102%);
  transition: transform 180ms ease;
  z-index: 40;
  overflow: auto;
}

.tools-drawer.open {
  transform: translateX(0);
}

.tools-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
}

.tools-header h2 {
  margin: 0;
  font-size: 1.05rem;
}

.tools-close-btn {
  padding: 0.45rem 0.7rem;
}

.tools-subtitle {
  margin: 0.6rem 0 0.9rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.app-shell {
  width: min(1100px, 94vw);
  margin: 2rem auto;
  display: grid;
  gap: 1rem;
}

.hero,
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.hero {
  padding: 1.2rem 1.4rem;
  background:
    linear-gradient(125deg, #f8fff7, #f4f8ff),
    var(--surface);
}

.eyebrow {
  margin: 0;
  color: var(--accent-2);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
}

h1 {
  margin: 0.2rem 0 0.5rem;
  font-size: clamp(1.3rem, 2.5vw, 2rem);
}

.subtitle {
  margin: 0;
  color: var(--muted);
}

.panel {
  padding: 1rem;
}

.panel-header h2 {
  margin: 0 0 0.8rem;
  font-size: 1.1rem;
}

.data-mode {
  margin: -0.4rem 0 0.8rem;
  font-size: 0.82rem;
  color: var(--muted);
}

#migrateBtn {
  width: 100%;
  margin-bottom: 0.9rem;
}

.backup-controls {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 0.9rem;
}

.grid-form {
  display: grid;
  gap: 0.7rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: end;
  margin-bottom: 0.9rem;
}

.game-form {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  margin-bottom: 2px;
}

.checkbox-row input[type="checkbox"] {
  width: auto;
}

label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.9rem;
  color: var(--muted);
}

input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.65rem 0.7rem;
  font-family: inherit;
  font-size: 0.95rem;
}

input:focus {
  outline: 2px solid color-mix(in hsl, var(--accent-2), white 60%);
  outline-offset: 1px;
}

button {
  border: 0;
  border-radius: 10px;
  padding: 0.7rem 0.9rem;
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  background: var(--accent);
  color: white;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.7rem;
}

.tab {
  background: #e9eef5;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.count-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.45rem;
  height: 1.45rem;
  border-radius: 999px;
  padding: 0 0.35rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: #173a5d;
  background: #d3e4f7;
}

.tab.active {
  background: var(--accent-2);
  color: #fff;
}

.tab.active .count-badge {
  background: color-mix(in hsl, white, transparent 25%);
  color: #ffffff;
}

.tabs.secondary .tab.active {
  background: var(--accent);
}

.games-list {
  display: grid;
  gap: 0.6rem;
}

.empty {
  color: var(--muted);
  font-style: italic;
  padding: 0.5rem 0;
}

.game-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.85rem;
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  align-items: center;
}

.game-card.editing {
  border-color: color-mix(in hsl, var(--accent-2), white 35%);
  box-shadow: 0 0 0 2px color-mix(in hsl, var(--accent-2), white 80%);
}

.game-title {
  margin: 0;
  font-size: 1rem;
}

.game-meta,
.game-loan {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.game-actions {
  display: grid;
  gap: 0.45rem;
}

.btn-inline {
  background: #dde8f5;
  color: #1e3045;
  padding: 0.45rem 0.65rem;
  font-size: 0.85rem;
}

.btn-inline.danger {
  background: #fbe7eb;
  color: var(--danger);
}

.btn-secondary {
  background: #dce4ee;
  color: #1b2d43;
}

.hidden {
  display: none;
}

@media (max-width: 900px) {
  .grid-form,
  .game-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .grid-form,
  .game-form {
    grid-template-columns: 1fr;
  }

  .tools-toggle-btn {
    top: auto;
    bottom: 1rem;
    right: 1rem;
  }

  .game-card {
    align-items: flex-start;
    flex-direction: column;
  }

  .game-actions {
    width: 100%;
    grid-template-columns: 1fr 1fr;
  }
}