:root {
  color-scheme: dark light;
  --tg-bg-color: #0f172a;
  --tg-surface-color: rgba(15, 23, 42, 0.65);
  --tg-surface-strong: rgba(15, 23, 42, 0.85);
  --tg-text-color: #e2e8f0;
  --tg-text-muted: rgba(226, 232, 240, 0.7);
  --tg-accent: #38bdf8;
  --tg-accent-soft: rgba(56, 189, 248, 0.18);
  --tg-border: rgba(148, 163, 184, 0.2);
  --tg-danger: #f97316;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
}

body {
  margin: 0;
  background: var(--tg-theme-bg-color, var(--tg-bg-color));
  background-attachment: fixed;
  color: var(--tg-theme-text-color, var(--tg-text-color));
  min-height: 100vh;
}

* {
  box-sizing: border-box;
}

a {
  color: inherit;
}

.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-bottom: 1.5rem;
}

.top-bar {
  padding: 1.2rem 1.5rem 0.5rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.top-bar__titles h1 {
  margin: 0;
  font-size: 1.6rem;
  letter-spacing: -0.01em;
}

.top-bar__titles p {
  margin: 0.25rem 0 0;
  color: var(--tg-theme-hint-color, var(--tg-text-muted));
  font-size: 0.95rem;
}

.refresh {
  border: none;
  background: var(--tg-accent-soft);
  color: var(--tg-theme-button-color, var(--tg-accent));
  border-radius: 16px;
  width: 40px;
  height: 40px;
  font-size: 1.2rem;
  cursor: pointer;
}

.views {
  flex: 1;
  padding: 0 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.section-title {
  margin: 0 0 0.75rem;
  font-size: 1.25rem;
}

.section-subtitle {
  margin: 0;
  color: var(--tg-theme-hint-color, var(--tg-text-muted));
  font-size: 0.95rem;
}

.view {
  display: none;
  flex-direction: column;
  gap: 1.25rem;
}

.view.active {
  display: flex;
}

.metrics-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.metric-card {
  padding: 1rem;
  border-radius: 20px;
  background: var(--tg-surface-color);
  backdrop-filter: blur(16px);
  border: 1px solid var(--tg-border);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-height: 120px;
}

.metric-card__label {
  font-size: 0.95rem;
  color: var(--tg-theme-hint-color, var(--tg-text-muted));
}

.metric-card__value {
  font-size: 1.75rem;
  font-weight: 600;
}

.metric-card__hint {
  color: var(--tg-theme-hint-color, var(--tg-text-muted));
  font-size: 0.9rem;
}

.cards-stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.surface-card {
  background: var(--tg-surface-color);
  border-radius: 24px;
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--tg-border);
  backdrop-filter: blur(14px);
}

.surface-card__header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
}

.surface-card__header h3 {
  margin: 0;
  font-size: 1.1rem;
}

.surface-card__header p {
  margin: 0.25rem 0 0;
  color: var(--tg-theme-hint-color, var(--tg-text-muted));
  font-size: 0.92rem;
}

.link-button {
  background: transparent;
  border: none;
  color: var(--tg-theme-link-color, var(--tg-accent));
  font-size: 0.95rem;
  cursor: pointer;
}

.activity-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.activity-list__item {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 0.5rem;
  padding: 0.65rem 0.75rem;
  border-radius: 16px;
  background: rgba(148, 163, 184, 0.08);
}

.activity-list__item span {
  display: block;
  font-size: 0.92rem;
}

.activity-list__item small {
  color: var(--tg-theme-hint-color, var(--tg-text-muted));
}

.activity-list__item.is-empty {
  text-align: center;
  padding: 1rem;
  background: none;
}

.view-header {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.controls {
  display: flex;
  justify-content: flex-end;
}

.search-field {
  position: relative;
  display: flex;
  width: min(320px, 100%);
}

.search-field input {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--tg-border);
  background: rgba(148, 163, 184, 0.08);
  color: inherit;
  padding: 0.75rem 1rem 0.75rem 2.5rem;
  font-size: 0.95rem;
}

.search-icon {
  position: absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--tg-theme-hint-color, var(--tg-text-muted));
  font-size: 0.95rem;
}

.data-surface {
  border-radius: 20px;
  border: 1px solid var(--tg-border);
  background: var(--tg-surface-color);
  overflow: hidden;
}

.data-header {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 0.6fr 0.7fr;
  padding: 0.85rem 1rem;
  background: rgba(148, 163, 184, 0.08);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.data-body {
  display: flex;
  flex-direction: column;
}

.data-row {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 0.6fr 0.7fr;
  padding: 0.95rem 1rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.06);
  font-size: 0.95rem;
  gap: 0.5rem;
}

.data-row:last-child {
  border-bottom: none;
}

.data-empty {
  padding: 1.5rem;
  text-align: center;
  color: var(--tg-theme-hint-color, var(--tg-text-muted));
}

.amount {
  font-weight: 600;
}

.ticket-type {
  text-transform: capitalize;
  color: var(--tg-theme-link-color, var(--tg-accent));
}

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
}

.page-btn {
  border: none;
  border-radius: 14px;
  background: var(--tg-accent-soft);
  color: var(--tg-theme-button-color, var(--tg-accent));
  padding: 0.6rem 1.1rem;
  cursor: pointer;
  font-size: 0.95rem;
}

.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.page-indicator {
  color: var(--tg-theme-hint-color, var(--tg-text-muted));
}

.users-list {
  display: grid;
  gap: 0.9rem;
}

.user-card {
  border-radius: 18px;
  background: var(--tg-surface-color);
  padding: 0.95rem 1rem;
  border: 1px solid var(--tg-border);
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  cursor: pointer;
}

.user-card__title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.user-card__title h3 {
  margin: 0;
  font-size: 1rem;
}

.user-card__title span {
  font-size: 0.85rem;
  padding: 0.2rem 0.6rem;
  border-radius: 12px;
  background: rgba(56, 189, 248, 0.12);
}

.user-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.75rem;
  color: var(--tg-theme-hint-color, var(--tg-text-muted));
  font-size: 0.9rem;
}

.user-card__tickets {
  display: flex;
  gap: 0.6rem;
  color: var(--tg-theme-hint-color, var(--tg-text-muted));
  font-size: 0.85rem;
}

.tab-bar {
  display: flex;
  gap: 0.75rem;
  padding: 0 1.5rem;
}

.tab {
  flex: 1;
  border: none;
  background: transparent;
  padding: 0;
  cursor: pointer;
}

.tab__button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 0.65rem 0.75rem;
  border-radius: 16px;
  background: var(--tg-surface-color);
  border: 1px solid var(--tg-border);
  color: var(--tg-theme-hint-color, var(--tg-text-muted));
  font-size: 0.95rem;
  font-weight: 500;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.tab.is-active .tab__button {
  background: var(--tg-accent-soft);
  border-color: rgba(56, 189, 248, 0.5);
  color: var(--tg-theme-button-color, var(--tg-accent));
  transform: translateY(-2px);
}

.detail-header {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 1rem;
}

.page-back {
  border: 1px solid var(--tg-border);
  background: rgba(148, 163, 184, 0.12);
  color: inherit;
  border-radius: 14px;
  padding: 0.5rem 0.9rem;
  cursor: pointer;
  font-size: 0.95rem;
}

.detail-layout {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.detail-card {
  background: var(--tg-surface-color);
  border: 1px solid var(--tg-border);
  border-radius: 24px;
  padding: 1.2rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.detail-card h3 {
  margin: 0;
  font-size: 1.1rem;
}

.issue-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.issue-form label {
  font-size: 0.85rem;
  color: var(--tg-theme-hint-color, var(--tg-text-muted));
}

.issue-form input,
.issue-form select {
  border-radius: 14px;
  border: 1px solid var(--tg-border);
  background: rgba(148, 163, 184, 0.08);
  color: inherit;
  padding: 0.7rem 0.85rem;
  font-size: 0.95rem;
}

.issue-form input:focus,
.issue-form select:focus {
  outline: 2px solid rgba(56, 189, 248, 0.35);
  outline-offset: 1px;
}

.form-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.form-inline .form-group {
  flex: 1;
  min-width: 140px;
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--tg-theme-hint-color, var(--tg-text-muted));
}

.form-checkbox input {
  width: 18px;
  height: 18px;
  accent-color: var(--tg-theme-button-color, var(--tg-accent));
}

.primary-button {
  border: none;
  border-radius: 16px;
  background: var(--tg-theme-button-color, var(--tg-accent));
  color: var(--tg-theme-button-text-color, #0f172a);
  font-weight: 600;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.15s ease;
}

.primary-button:hover {
  transform: translateY(-1px);
}

.primary-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-status {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  color: var(--tg-theme-hint-color, var(--tg-text-muted));
}

.form-status.ok {
  color: #22c55e;
}

.form-status.err {
  color: #f97316;
}

.form-status.pending {
  color: var(--tg-theme-hint-color, var(--tg-text-muted));
}

.detail-section {
  margin-top: 1.35rem;
}

.detail-section h4 {
  margin: 0 0 0.75rem;
}

.detail-list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.detail-list dt {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--tg-theme-hint-color, var(--tg-text-muted));
}

.detail-list dd {
  margin: 0;
  font-size: 0.98rem;
}

.detail-history {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.detail-history__item {
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.12);
  padding: 0.85rem 1rem;
  background: rgba(148, 163, 184, 0.1);
}

.detail-history__item.is-empty {
  text-align: center;
  background: none;
  border: none;
  padding: 1rem 0;
  color: var(--tg-theme-hint-color, var(--tg-text-muted));
}

@media (min-width: 768px) {
  .app {
    padding-bottom: 0;
  }

  .top-bar {
    padding: 1.5rem 2rem;
  }

  .views {
    padding: 0 2rem 2rem;
  }

  .tab-bar {
    margin: 0 2rem;
    padding: 0;
    gap: 1rem;
  }

  .tab__button {
    padding: 0.75rem 1rem;
    border-radius: 18px;
  }

  .view {
    border-radius: 28px;
    padding: 1.5rem;
    background: rgba(15, 23, 42, 0.45);
    border: 1px solid var(--tg-border);
  }

  .view-header {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
  }

  .detail-header {
    align-items: center;
  }

  .detail-layout {
    flex-direction: row;
    align-items: stretch;
  }

  .detail-card {
    flex: 1;
  }

  .detail-card:last-child {
    max-width: 360px;
  }

  .data-header,
  .data-row {
    grid-template-columns: 1.5fr 0.7fr 0.6fr 0.8fr;
  }
}

@media (max-width: 480px) {
  .top-bar {
    padding: 1rem 1.2rem 0.4rem;
  }

  .views {
    padding: 0 1.2rem 1.2rem;
  }

  .data-header,
  .data-row {
    grid-template-columns: 1.4fr 0.8fr;
  }

  .data-header span:nth-child(n+3),
  .data-row span:nth-child(n+3) {
    display: none;
  }
}