@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;500;600;700;800&family=Fraunces:opsz,wght@9..144,500;9..144,600&display=swap');

:root {
  --bg-page: #F5F1E8;
  --bg-card: #FFFFFF;

  --text-dark: #22281F;
  --text-muted: #8A8578;

  --accent-blue: #1F4D3D;     
  --accent-light: #E7EFE9;

  --color-income: #1F4D3D;
  --bg-income: #E7EFE9;
  --color-expense: #B5502F;
  --bg-expense: #FBEAE3;

  --border-light: #E5DFD1;

  --font-family: 'Sora', sans-serif;
  --font-display: 'Fraunces', serif;
  --card-radius: 20px;
  --card-padding: 24px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background-color: var(--bg-page);
  background-image: radial-gradient(var(--border-light) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--text-dark);
  font-family: var(--font-family);
  -webkit-font-smoothing: antialiased;
  padding: 1.5rem;
  display: flex;
  justify-content: center;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.tracker-app {
  max-width: 1200px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.tracker-app main {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.tracker-summary__balance,
.tracker-summary__stat,
.tracker-form-section__card,
.tracker-search,
.tracker-transaction-list {
  background: var(--bg-card);
  border-radius: var(--card-radius);
  border: 1px solid var(--border-light);
  padding: var(--card-padding);
  display: flex;
  flex-direction: column;
  min-width: 0;
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.tracker-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
}

.tracker-header__title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.tracker-header__user {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.tracker-header__user-info {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.tracker-header__greeting {
  font-size: 0.95rem;
  color: var(--text-dark);
}

.tracker-header__date {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.tracker-header__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--accent-light);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.tracker-summary {
  display: grid;
  grid-template-columns: 2fr 1.25fr 1.25fr;
  gap: 1.5rem;
}

.tracker-summary__label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}

.tracker-summary__balance {
  background: linear-gradient(160deg, var(--accent-blue) 0%, #163829 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.tracker-summary__balance::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -40px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
}

.tracker-summary__balance .tracker-summary__label { color: rgba(255,255,255,0.65); }

.tracker-summary__balance-amount {
  font-family: var(--font-display);
  font-size: 3.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-top: auto;
}

.tracker-summary__stat:hover,
.tracker-form-section__card:hover,
.tracker-search:hover {
  box-shadow: 0 10px 30px rgba(34, 40, 31, 0.06);
  transform: translateY(-2px);
}

.tracker-summary__stat-amount {
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-top: auto;
}

.tracker-summary__stat-amount--income { color: var(--color-income); }
.tracker-summary__stat-amount--expense { color: var(--color-expense); }

.tracker-form-section__card {
  box-shadow: 0 4px 20px rgba(34, 40, 31, 0.03);
}

.tracker-form-section__heading {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.tracker-form {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr 1fr auto;
  gap: 1rem;
  align-items: end;
}

.tracker-form__field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.tracker-form__label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-dark);
}

.tracker-form__input {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--border-light);
  background: #FBF9F4;
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.tracker-form__input:focus {
  border-color: var(--accent-blue);
  background: var(--bg-card);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.tracker-form__submit {
  background: var(--accent-blue);
  color: #fff;
  border: none;
  padding: 0.85rem 1.5rem;
  height: 44px;
  border-radius: 12px;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.2s ease;
}

.tracker-form__submit:hover { opacity: 0.9; transform: translateY(-1px); }
.tracker-form__submit:active { transform: scale(0.97); }

.tracker-history {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.tracker-search {
  padding: 1.1rem 1.5rem;
}

.tracker-search__form {
  display: flex;
  gap: 1rem;
}

.tracker-search__form .tracker-form__input {
  flex: 1;
  background: #FBF9F4;
}

.tracker-search__submit {
  background: var(--accent-light);
  border: 1px solid var(--border-light);
  color: var(--accent-blue);
  padding: 0 1.5rem;
  border-radius: 12px;
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.15s ease;;
}

.tracker-search__submit:hover { 
  background: #D9E7DE;
  transform: translateY(-1px);
}

.tracker-search__submit:active {
  transform: scale(0.97);
}

.tracker-history__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.tracker-transaction-list__header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.tracker-transaction-list__title {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.tracker-transaction-list__container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.tracker-transaction-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem;
  border-radius: 14px;
  border: 1px solid transparent;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}

.tracker-transaction-item:hover {
  background: #FBF9F4;
  border-color: var(--border-light);
  transform: translateX(2px);
}

.tracker-transaction-item__icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
}

.tracker-transaction-item__icon--income {
  background: var(--bg-income);
  color: var(--color-income);
}

.tracker-transaction-item__icon--expense {
  background: var(--bg-expense);
  color: var(--color-expense);
}

.tracker-transaction-item__detail {
  flex: 1;
  min-width: 0;
}

.tracker-transaction-item__title {
  font-weight: 600;
  font-size: 1rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tracker-transaction-item__date {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.tracker-transaction-item__right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.3rem;
  flex-shrink: 0;
}

.tracker-transaction-item__amount {
  font-weight: 700;
  font-size: 1.05rem;
}

.tracker-transaction-item__amount--income { color: var(--color-income); }
.tracker-transaction-item__amount--expense { color: var(--color-expense); }

.tracker-transaction-item__actions {
  display: flex;
  gap: 0.3rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.tracker-transaction-item__btn {
  background: var(--bg-page);
  border: 1px solid var(--border-light);
  padding: 0.25rem 0.5rem;
  font-size: 0.72rem;
  font-weight: 500;
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}

.tracker-transaction-item__btn:hover {
  background: var(--accent-blue);
  color: #fff;
  border-color: var(--accent-blue);
  transform: translateY(-1px);
}

.tracker-transaction-item__btn:active {
  transform: scale(0.96);
}

.tracker-view-more-wrapper {
  display: flex;
  justify-content: center;
  margin-top: 16px;
}

.tracker-view-more {
  padding: 9px 20px;
  border: 1px solid var(--border-light);
  border-radius: 999px;
  background: transparent;
  color: var(--accent-blue);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition:
    background-color 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease,
    transform 0.15s ease;
}

.tracker-view-more:hover {
  background: var(--accent-light);
  border-color: var(--accent-blue);
  transform: translateY(-1px);
}

.tracker-view-more:active {
  transform: scale(0.97);
}

.tracker-footer {
  text-align: center;
  padding: 1.5rem 0 0.5rem 0;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 1rem;
}

.tracker-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--text-dark);
  color: #fff;
  padding: 0.85rem 1.5rem;
  border-radius: 12px;
  font-family: var(--font-family);
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 999;
}

.tracker-toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.tracker-toast--success::before { content: "✅ "; }
.tracker-toast--error::before { content: "⚠️ "; }

@media (max-width: 1024px) {
  .tracker-summary { grid-template-columns: 1fr 1fr; }
  .tracker-summary__balance { grid-column: span 2; }
  .tracker-form { grid-template-columns: 1fr 1fr; }
  .tracker-form__field:nth-child(1) { grid-column: span 2; }
  .tracker-form__submit { grid-column: span 2; }
  .tracker-history__grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  body { padding: 0.75rem; }
  .tracker-app, .tracker-app main { gap: 1rem; }
  .tracker-summary { grid-template-columns: 1fr; gap: 1rem; }
  .tracker-summary__balance, .tracker-summary__stat { grid-column: span 1; padding: 1.25rem; }
  .tracker-summary__balance-amount { font-size: 2.1rem; word-break: break-all; }
  .tracker-summary__stat-amount { font-size: 1.6rem; }
  .tracker-form-section__card { padding: 1.25rem; }
  .tracker-form { display: flex; flex-direction: column; align-items: stretch; gap: 1.25rem; }
  .tracker-form__submit { width: 100%; margin-top: 0.5rem; }
  .tracker-history__grid { grid-template-columns: 1fr; gap: 1rem; }
}

.tracker-breakdown {
  background: var(--bg-card);
  border-radius: var(--card-radius);
  border: 1px solid var(--border-light);
  padding: var(--card-padding);
}

.tracker-breakdown__content {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.tracker-breakdown__chart-wrapper {
  position: relative;
  width: 180px;
  height: 180px;
  flex-shrink: 0;
}

.tracker-breakdown__chart {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: conic-gradient(var(--border-light) 0deg 360deg);
  transition: background 0.4s ease;
}

.tracker-breakdown__chart-center {
  position: absolute;
  inset: 22px;
  background: var(--bg-card);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 0 0 1px var(--border-light);
}

.tracker-breakdown__chart-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.tracker-breakdown__chart-total {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  text-align: center;
  padding: 0 8px;
  word-break: break-word;
}

.tracker-breakdown__legend {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex: 1;
  min-width: 200px;
}

.tracker-breakdown__legend-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
}

.tracker-breakdown__legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.tracker-breakdown__legend-name {
  flex: 1;
  color: var(--text-dark);
}

.tracker-breakdown__legend-amount {
  font-weight: 600;
  color: var(--text-muted);
}

@media (max-width: 640px) {
  .tracker-breakdown__content { flex-direction: column; align-items: center; }
  .tracker-breakdown__legend { width: 100%; }
}

.tracker-breakdown__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}

.tracker-breakdown__month {
  width: auto;
  padding: 0.5rem 0.85rem;
}

@media (max-width: 480px) {
  .tracker-breakdown__header { flex-direction: column; align-items: stretch; }
  .tracker-breakdown__month { width: 100%; }
}

@media (max-width: 640px) {
  .tracker-search__form { flex-direction: column; }
  .tracker-search__submit { width: 100%; padding: 0.85rem; }
  .tracker-transaction-item { flex-wrap: wrap; align-items: flex-start; }
  .tracker-transaction-item__right {
    width: 100%; flex-direction: column; align-items: stretch;
    margin-top: 0.5rem; gap: 0.75rem;
  }
  .tracker-transaction-item__amount { padding-left: 3.5rem; }
  .tracker-transaction-item__actions { width: 100%; }
  .tracker-transaction-item__btn { flex: 1; padding: 0.75rem 0; font-size: 0.85rem; font-weight: 500; }
  .tracker-toast { left: 1rem; right: 1rem; bottom: 1rem; transform: translateY(20px); text-align: center; }
  .tracker-toast.is-visible { transform: translateY(0); }
}