/* ── CSS Variables ── */
:root {
  --bg: #f5f5f5;
  --card-bg: #ffffff;
  --text: #222;
  --text-muted: #666;
  --border: #ddd;
  --shadow: rgba(0, 0, 0, 0.08);
  --accent: #5ba3d9;
  --accent-hover: #4a8fc2;
  --positive: #2e7d32;
  --negative: #c62828;
  --error-bg: #fff3f3;
  --banner-bg: #333;
  --subtotal-bg: #e8f0fe;
  --row-alt: #fafafa;
}

/* ── Reset & Base ── */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

/* ── Banner ── */
.banner {
  background: var(--banner-bg);
  display: flex;
  align-items: center;
  padding: 10px 20px;
  gap: 20px;
  min-height: 60px;
  overflow: hidden;
}

.banner-logo {
  height: 48px;
  width: auto;
  flex-shrink: 0;
}

.banner-github {
  margin-left: auto;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  opacity: 0.8;
  transition: opacity 0.2s;
}

.banner-github:hover {
  opacity: 1;
}

.banner-title {
  color: #fff;
  font-size: 1.4rem;
  font-weight: 600;
  white-space: nowrap;
}

.banner-lang {
  flex-shrink: 0;
  padding: 4px 6px;
  border: 1px solid #666;
  border-radius: 4px;
  background: #444;
  color: #fff;
  font-size: 0.8rem;
  cursor: pointer;
}

/* ── Main Container ── */
#app {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 16px 80px;
}

/* ── Player Setup ── */
.player-setup {
  background: var(--card-bg);
  border-radius: 8px;
  box-shadow: 0 2px 8px var(--shadow);
  padding: 24px;
  max-width: 400px;
  margin: 40px auto;
}

.player-setup h2 {
  margin: 0 0 16px;
  font-size: 1.4rem;
}

.player-setup > label {
  display: block;
  margin-bottom: 16px;
  font-weight: 500;
}

.player-setup select {
  margin-left: 8px;
}

.player-fields {
  margin-bottom: 16px;
}

.player-name-row {
  margin-bottom: 8px;
}

.player-name-input {
  width: 180px;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.95rem;
}

/* ── Buttons ── */
.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
}

.btn-primary:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.reset-wrapper {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-bottom: 16px;
}

.btn-reset {
  background: #eee;
  color: var(--text);
  font-size: 0.85rem;
  padding: 6px 14px;
}

.btn-reset:hover {
  background: #ddd;
}

.btn-print {
  background: #eee;
  color: var(--text);
  font-size: 0.85rem;
  padding: 6px 14px;
}

.btn-print:hover {
  background: #ddd;
}

.btn-trash {
  background: none;
  border: none;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.15s;
  padding: 4px;
  line-height: 1;
}

.btn-trash img {
  width: 22px;
  height: 22px;
  display: block;
}

.btn-trash:hover {
  opacity: 1;
}

/* ── Round Card ── */
.round-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 2px 8px var(--shadow);
  padding: 20px;
  margin-bottom: 8px;
}

.round-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.round-header h3 {
  margin: 0;
  font-size: 1.2rem;
}

/* ── Round Form ── */
.round-form {
  margin-bottom: 16px;
}

.round-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px 16px;
  align-items: center;
}

.form-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-bottom: 10px;
}

.form-field {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  white-space: nowrap;
}

.form-field select,
.form-field input {
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.9rem;
}

.form-label {
  font-weight: 500;
  margin-bottom: 4px;
  font-size: 0.9rem;
}

.info-display {
  display: inline-flex;
  align-items: center;
  font-weight: 600;
  font-size: 0.9rem;
  background: var(--subtotal-bg);
  padding: 4px 10px;
  border-radius: 4px;
}

/* ── Checkboxes (stalemate) ── */
.checkbox-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-bottom: 12px;
}

.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.9rem;
  cursor: pointer;
}

.cards-bid-input {
  width: 60px;
}

/* ── Score Table ── */
.score-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin-top: 8px;
}

.score-table th,
.score-table td {
  padding: 6px 10px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.score-table th {
  background: #f0f0f0;
  font-weight: 600;
  font-size: 0.85rem;
}

.score-table tbody tr:nth-child(even) {
  background: var(--row-alt);
}

.row-label {
  text-align: left !important;
  font-weight: 500;
  white-space: nowrap;
}

.pips-input {
  width: 56px;
  padding: 4px 6px;
  border: 1px solid var(--border);
  border-radius: 4px;
  text-align: center;
  font-size: 0.9rem;
}

.sum-row {
  font-weight: 600;
}

.positive {
  color: var(--positive);
  font-weight: 600;
}

.negative {
  color: var(--negative);
  font-weight: 600;
}

/* ── Subtotal Table ── */
.subtotal-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin-bottom: 20px;
  background: var(--subtotal-bg);
  border-radius: 6px;
  overflow: hidden;
}

.subtotal-table td {
  padding: 8px 10px;
  text-align: center;
  font-weight: 600;
}

.subtotal-label {
  text-align: left !important;
}

.subtotal-name {
  font-weight: 500;
  font-size: 0.8rem;
  color: #555;
}

/* ── Validation Errors ── */
.validation-errors {
  margin-top: 10px;
  padding: 8px 12px;
  background: var(--error-bg);
  border-radius: 4px;
}

.error-msg {
  color: var(--negative);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* ── Action Buttons ── */
.action-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 24px;
  clear: both;
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .banner {
    padding: 8px 12px;
  }

  .banner-logo {
    height: 36px;
  }

  #app {
    padding: 12px 8px 60px;
  }

  .round-card {
    padding: 14px;
  }

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

  .form-row {
    flex-direction: column;
    gap: 8px;
  }

  .score-table th,
  .score-table td {
    padding: 4px 6px;
    font-size: 0.8rem;
  }

  .pips-input {
    width: 44px;
  }
}