.tool-main-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 1.25rem;
  max-width: 600px;
  margin: 0 auto;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  box-shadow: var(--shadow-base);

  --color-white: #fff;
  --color-success: #22c55e;
  --color-danger: #ef4444;
  --color-success-bg: rgba(34, 197, 94, 0.12);
  --color-danger-bg: rgba(239, 68, 68, 0.08);
}

.savings-summary {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.summary-stat {
  flex: 1;
  text-align: center;
  padding: 1rem;
  background: var(--bg-page);
  border-radius: 0.875rem;
  border: 1px solid var(--border-base);
}

.summary-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

.summary-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-dimmed);
  margin-top: 0.2rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

.add-goal-trigger {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.75rem;
  border: 2px dashed var(--border-base);
  border-radius: 0.875rem;
  background: transparent;
  color: var(--text-dimmed);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.add-goal-trigger:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(99, 102, 241, 0.04);
}

.sim-month-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--border-base);
  border-radius: 2rem;
  background: var(--bg-page);
  color: var(--text-dimmed);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  align-self: flex-end;
}

.sim-month-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.add-goal-form {
  background: var(--bg-page);
  border: 1px solid var(--border-base);
  border-radius: 0.875rem;
  overflow: hidden;
}

.form-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1.125rem;
  border-bottom: 1px solid var(--border-base);
}

.form-header h3 {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-base);
}

.form-close {
  background: none;
  border: none;
  color: var(--text-dimmed);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 0.375rem;
}

.form-close:hover {
  color: var(--text-base);
  background: var(--bg-surface);
}

.form-body {
  padding: 1.125rem;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-dimmed);
}

.form-input {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border-base);
  border-radius: 0.5rem;
  background: var(--bg-surface);
  color: var(--text-base);
  font-size: 0.9375rem;
  outline: none;
  transition: border-color 0.2s ease;
}

.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.range-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.form-range {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 2px;
  background: var(--border-base);
  outline: none;
}

.form-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 2px solid var(--bg-surface);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
}

.range-value {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--accent);
  min-width: 4rem;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.form-submit {
  padding: 0.625rem;
  border: none;
  border-radius: 0.5rem;
  background: var(--accent);
  color: var(--color-white);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.form-submit:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.goals-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.goals-empty {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--text-dimmed);
}

.empty-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0.75rem 0 0.25rem;
  color: var(--text-base);
}

.empty-sub {
  font-size: 0.8125rem;
  margin: 0;
  opacity: 0.7;
}

.goal-card {
  background: var(--bg-page);
  border: 1px solid var(--border-base);
  border-radius: 0.875rem;
  padding: 1.125rem;
  transition: all 0.3s ease;
}

.goal-card:hover {
  border-color: rgba(99, 102, 241, 0.2);
}

.goal-achieved {
  border-color: rgba(34, 197, 94, 0.3);
  background: linear-gradient(135deg, var(--bg-page) 0%, rgba(34, 197, 94, 0.04) 100%);
}

.goal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.goal-name-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.goal-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-base);
}

.goal-achieved-badge {
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 1rem;
  background: var(--color-success-bg);
  color: var(--color-success);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.goal-delete {
  background: none;
  border: none;
  color: var(--text-dimmed);
  cursor: pointer;
  padding: 0.375rem;
  border-radius: 0.375rem;
  opacity: 0.5;
  transition: all 0.2s ease;
}

.goal-delete:hover {
  opacity: 1;
  color: var(--color-danger);
  background: var(--color-danger-bg);
}

.goal-ring-section {
  display: flex;
  gap: 1.25rem;
  align-items: center;
}

.goal-ring {
  position: relative;
  width: 100px;
  height: 100px;
  flex-shrink: 0;
}

.goal-ring svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.goal-ring-bg {
  fill: none;
  stroke: var(--border-base);
  stroke-width: 6;
  opacity: 0.4;
}

.goal-ring-fill {
  fill: none;
  stroke: var(--accent);
  stroke-width: 6;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.5s ease;
}

.goal-achieved .goal-ring-fill {
  stroke: var(--color-success);
}

.goal-ring-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.goal-percent {
  display: block;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-base);
  line-height: 1;
}

.goal-ring-label {
  display: block;
  font-size: 0.625rem;
  color: var(--text-dimmed);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.15rem;
}

.goal-meta {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.meta-row {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.meta-label {
  font-size: 0.6875rem;
  color: var(--text-dimmed);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
}

.meta-value {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-base);
  font-variant-numeric: tabular-nums;
}

.goal-monthly-adjust {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-base);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.adjust-label {
  font-size: 0.75rem;
  color: var(--text-dimmed);
  font-weight: 600;
  white-space: nowrap;
}

.goal-slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 2px;
  background: var(--border-base);
  outline: none;
}

.goal-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 2px solid var(--bg-surface);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
}

@media (max-width: 480px) {
  .goal-ring-section {
    flex-direction: column;
    text-align: center;
  }

  .goal-meta {
    grid-template-columns: 1fr 1fr;
    width: 100%;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}