/* Base wrapper */
.tmdl-wrapper {
  --tmdl-bg: #ffffff;
  --tmdl-border: #e5e7eb;
  --tmdl-text: #111827;
  --tmdl-muted: #6b7280;
  --tmdl-brand: #2563eb; /* primary accent */
  --tmdl-danger: #ef4444;
  --tmdl-success: #16a34a;

  display: grid;
  gap: 20px;
  color: var(--tmdl-text);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

/* Card */
.tmdl-card {
  background: var(--tmdl-bg);
  border: 1px solid var(--tmdl-border);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 6px 20px rgba(17, 24, 39, 0.06);
}

.tmdl-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.tmdl-card-title {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
}

.tmdl-card-title i {
  font-size: 18px;
  color: var(--tmdl-brand);
}

.tmdl-limit-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: #f3f4f6;
  color: #374151;
}

.tmdl-limit-badge i {
  font-size: 12px;
}

/* Field area */
.tmdl-field {
  display: grid;
  gap: 12px;
}

.tmdl-textarea {
  width: 100%;
  min-height: 80px;
  resize: vertical;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--tmdl-border);
  outline: none;
  font-size: 16px;
  line-height: 1.5;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  background: #fff;
}

.tmdl-textarea:focus {
  border-color: var(--tmdl-brand);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}

/* Metrics & actions */
.tmdl-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 14px;
}

.tmdl-metric {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #1f2937;
}

.tmdl-metric i {
  font-size: 14px;
  color: #4b5563;
}

.tmdl-unit {
  margin-left: 2px;
  color: #6b7280;
}

.tmdl-sep {
  color: var(--tmdl-muted);
}

.tmdl-copy-btn {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--tmdl-border);
  background: #f9fafb;
  color: #111827;
  padding: 8px 12px;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.03s ease, border-color 0.15s ease;
}

.tmdl-copy-btn:hover {
  background: #f3f4f6;
  border-color: #d1d5db;
}

.tmdl-copy-btn:active {
  transform: translateY(1px);
}

.tmdl-copy-btn.tmdl-copied {
  border-color: #bbf7d0;
  background: #ecfdf5;
  color: var(--tmdl-success);
}

/* Helper/hint */
.tmdl-hint {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--tmdl-muted);
  font-size: 13px;
}

/* Over-limit state turns red */
.tmdl-card.tmdl-over .tmdl-textarea {
  border-color: var(--tmdl-danger);
  background: #fff5f5;
}

.tmdl-card.tmdl-over .tmdl-metric--pixels,
.tmdl-card.tmdl-over .tmdl-metric--pixels i {
  color: var(--tmdl-danger);
}

/* Responsive tweaks */
@media (max-width: 600px) {
  .tmdl-copy-btn {
    width: 100%;
    justify-content: center;
    margin-left: 0;
  }
}