/* ── Currency Converter — tool-specific styles ────────────────────────────────
   Global styles are inherited from /css/style.css.
   All colours reference CSS custom properties where possible.
   ─────────────────────────────────────────────────────────────────────────── */

/* ── Converter card ───────────────────────────────────────────────────────── */
.cc-converter {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.cc-field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  flex: 1;
}

.cc-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
}

/* ── Amount input ─────────────────────────────────────────────────────────── */
.cc-amount-input {
  width: 100%;
  padding: 0.7rem 0.85rem;
  font-size: 1.75rem;
  font-weight: 600;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-control, 6px);
  background: var(--bg-input, var(--bg-card));
  color: var(--text-primary);
  text-align: right;
  box-sizing: border-box;
  transition: border-color 0.15s;
}

.cc-amount-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--focus-ring, rgba(37, 99, 235, 0.12));
}

/* Hide number input spinners */
.cc-amount-input::-webkit-outer-spin-button,
.cc-amount-input::-webkit-inner-spin-button { -webkit-appearance: none; }
.cc-amount-input[type=number] { -moz-appearance: textfield; }

/* ── Quick amounts ────────────────────────────────────────────────────────── */
.cc-quick-amounts {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
}

.cc-quick-label {
  font-size: 0.8125rem;
  color: var(--text-secondary, var(--text-primary));
  margin-right: 0.2rem;
}

.cc-quick-btn {
  padding: 0.4rem 0.85rem;
  min-height: 36px;
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  background: var(--bg-card);
  color: var(--text-primary);
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s, color 0.12s;
}

.cc-quick-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

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

.cc-quick-btn--active:hover { color: #fff; }

/* ── Currency row ─────────────────────────────────────────────────────────── */
.cc-currency-row {
  display: flex;
  align-items: flex-end;
  gap: 0.6rem;
}

.cc-select {
  width: 100%;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-control, 6px);
  background: var(--bg-input, var(--bg-card));
  color: var(--text-primary);
  font-size: 0.95rem;
  cursor: pointer;
}

.cc-select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--focus-ring, rgba(37, 99, 235, 0.12));
}

.cc-swap-btn {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  font-size: 1.25rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-control, 6px);
  background: var(--bg-card);
  color: var(--text-primary);
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s, color 0.12s, transform 0.2s;
}

.cc-swap-btn:hover {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.cc-swap-btn:active { transform: rotate(180deg); }

/* ── Result ───────────────────────────────────────────────────────────────── */
.cc-result {
  text-align: center;
  padding: 1rem;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.cc-result-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  word-break: break-word;
}

.cc-rate-line {
  margin-top: 0.35rem;
  font-size: 0.9375rem;
  color: var(--text-secondary, var(--text-primary));
}

.cc-updated-line {
  margin-top: 0.35rem;
  font-size: 0.8125rem;
  color: var(--text-secondary, var(--text-primary));
}

/* ── Error ────────────────────────────────────────────────────────────────── */
.cc-error {
  background: rgba(239,68,68,0.1);
  color: var(--color-danger, #ef4444);
  border: 1px solid rgba(239,68,68,0.3);
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 0.9rem;
}

.cc-error[hidden] { display: none; }

/* ── Actions ──────────────────────────────────────────────────────────────── */
.cc-actions {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.cc-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
}

.cc-disclaimer {
  font-size: 0.8125rem;
  color: var(--text-secondary, var(--text-primary));
  text-align: center;
  margin: 0;
}

/* ── Popular conversions ──────────────────────────────────────────────────── */
.cc-popular-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.cc-popular-item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background: var(--bg-card);
}

.cc-popular-code {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary, var(--text-primary));
  letter-spacing: 0.02em;
}

.cc-popular-value {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
}

.cc-source-note {
  font-size: 0.8125rem;
  color: var(--text-secondary, var(--text-primary));
  margin: 0;
}

/* ── How It Works ─────────────────────────────────────────────────────────── */
.cc-how-section { margin-top: 40px; margin-bottom: 40px; }
.cc-how-section h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 16px;
  color: var(--text-primary);
}
.cc-how-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.cc-how-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 20px;
}
.cc-how-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.cc-how-card strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.cc-how-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
}

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .cc-currency-row { flex-direction: column; align-items: stretch; }
  .cc-swap-btn { align-self: center; transform: rotate(90deg); }
  .cc-swap-btn:active { transform: rotate(270deg); }
  .cc-how-grid { grid-template-columns: 1fr; }
  .cc-result-value { font-size: 1.6rem; }
}