/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px var(--space-5);
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  transition: transform 100ms ease, opacity 150ms ease;
}

.btn:active {
  transform: scale(0.97);
}

.btn-block {
  width: 100%;
}

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

.btn-savings {
  background: var(--bg-elevated-2);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-danger {
  background: transparent;
  color: var(--danger-strong);
  border: 1px solid var(--danger-strong);
}

.btn-danger:active {
  background: rgba(229, 72, 77, 0.1);
}

.decision-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.icon-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  font-size: 22px;
}

.icon-btn[hidden] {
  display: none;
}

.link-btn {
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
  padding: var(--space-2) var(--space-3);
}

/* Forms */
.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: 13px;
  color: var(--text-muted);
  flex: 1;
}

.field-row {
  display: flex;
  gap: var(--space-3);
}

.field input,
.field select {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 16px;
  color: var(--text);
}

.field input:focus,
.field select:focus {
  outline: none;
  border-color: var(--accent);
}

.hint {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

.empty-hint {
  color: var(--text-muted);
  font-size: 14px;
  text-align: center;
  padding: var(--space-5) 0;
}

/* Chips */
.chip-row {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.chip {
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--bg-elevated-2);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
}

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

/* Toast */
.toast-container {
  position: fixed;
  bottom: calc(96px + var(--safe-bottom));
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: center;
  width: 100%;
  padding: 0 var(--space-5);
}

.toast {
  background: var(--bg-elevated-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  font-size: 14px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 200ms ease, transform 200ms ease;
  max-width: 380px;
  text-align: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.toast-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Spinner */
.spinner {
  width: 28px;
  height: 28px;
  border: 3px solid rgba(255, 255, 255, 0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 800ms linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}