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

/* ── Layout ───────────────────────────────────────────────────────────────── */
.tc-layout {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-width: 600px;
  margin: 0 auto;
}

@media (min-width: 900px) {
  .tc-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-width: 900px;
    align-items: start;
  }
}

/* ── Panels ───────────────────────────────────────────────────────────────── */
.tc-inputs,
.tc-results {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

/* ── Field ────────────────────────────────────────────────────────────────── */
.tc-field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

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

/* ── Bill amount input ────────────────────────────────────────────────────── */
.tc-bill-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;
}

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

/* ── Currency input group ────────────────────────────────────────────────── */
.currency-input-group .currency-input-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.currency-input-group #currency-symbol {
  width: 80px;
  padding: 0.35rem 0.6rem;
  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: 0.875rem;
}

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

.currency-chips {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.currency-chip {
  padding: 0.25rem 0.6rem;
  font-size: 0.8125rem;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  background: var(--bg-card);
  color: var(--text-secondary, var(--text-primary));
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s, color 0.12s;
}

.currency-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
}

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

/* ── Tip percentage buttons ──────────────────────────────────────────────── */
.tc-tip-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tc-tip-btn {
  padding: 0.55rem 1rem;
  min-height: 44px;
  font-size: 0.9375rem;
  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;
  flex: 1 1 auto;
  text-align: center;
}

.tc-tip-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

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

.tc-tip-btn--active:hover {
  color: #fff;
}

/* ── Custom tip input ────────────────────────────────────────────────────── */
.tc-custom-wrap {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.35rem;
}

.tc-custom-input {
  width: 90px;
  padding: 0.35rem 0.6rem;
  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: 0.875rem;
  text-align: right;
}

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

.tc-pct-sign {
  font-size: 0.875rem;
  color: var(--text-secondary, var(--text-primary));
}

/* ── Stepper ─────────────────────────────────────────────────────────────── */
.tc-stepper {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.tc-stepper-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  font-size: 1.375rem;
  font-weight: 400;
  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;
  flex-shrink: 0;
}

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

.tc-stepper-input {
  width: 56px;
  padding: 0.4rem 0.3rem;
  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: 1rem;
  font-weight: 500;
  text-align: center;
}

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

.tc-people-label {
  font-size: 0.875rem;
  color: var(--text-secondary, var(--text-primary));
}

/* ── Round-up toggle row ─────────────────────────────────────────────────── */
.tc-roundup-row {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
}

.tc-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  flex-shrink: 0;
}

.tc-toggle input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.tc-toggle-track {
  display: inline-block;
  width: 44px;
  height: 24px;
  border-radius: 999px;
  background: var(--border-color, #d1d5db);
  transition: background 0.2s;
}

.tc-toggle-track::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
  transition: transform 0.2s;
}

.tc-toggle input:checked ~ .tc-toggle-track {
  background: var(--accent);
}

.tc-toggle input:checked ~ .tc-toggle-track::after {
  transform: translateX(20px);
}

.tc-toggle input:focus-visible ~ .tc-toggle-track {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ── Results ─────────────────────────────────────────────────────────────── */
.tc-result-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
}

.tc-result-label {
  font-size: 0.875rem;
  color: var(--text-secondary, var(--text-primary));
}

.tc-result-value {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: right;
}

.tc-result-value--total {
  font-size: 1.625rem;
  color: var(--accent);
}

.tc-result-total {
  padding: 0.5rem 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  margin: 0.25rem 0;
}

.tc-divider {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 0.25rem 0;
}

/* ── Copy button row ─────────────────────────────────────────────────────── */
.tc-copy-row {
  margin-top: 0.5rem;
  display: flex;
  justify-content: flex-end;
}

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