:root {
  --bg: #0f172a;
  --panel: #020617;
  --panel-soft: #111827;
  --accent: #38bdf8;
  --accent-soft: rgba(56, 189, 248, 0.12);
  --accent-strong: rgba(56, 189, 248, 0.25);
  --border: #1f2937;
  --text-main: #e5e7eb;
  --text-soft: #9ca3af;
  --danger: #f97373;
  --income: #22c55e;
  --expense: #f97316;
  --radius-xl: 18px;
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.7);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 24px;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: radial-gradient(circle at top, #1e293b 0, #020617 60%, #000 100%);
  color: var(--text-main);
  transition: background 0.25s ease, color 0.25s ease;
}

/* Modo claro */
body.theme-light {
  --bg: #f3f4f6;
  --panel: #ffffff;
  --panel-soft: #f9fafb;
  --border: #e5e7eb;
  --text-main: #0f172a;
  --text-soft: #6b7280;
  --shadow-soft: 0 18px 40px rgba(15, 23, 42, 0.06);
  color: var(--text-main);
  background: radial-gradient(circle at top, #e5e7eb 0, #f9fafb 55%, #e5e7eb 100%);
}

.app {
  max-width: 1200px;
  margin: 0 auto;
}

header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.title-group h1 {
  margin: 0;
  font-size: 1.7rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.title-badge {
  font-size: 0.7rem;
  padding: 2px 7px;
  border-radius: 999px;
  border: 1px solid var(--accent-soft);
  background: rgba(15, 23, 42, 0.6);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
}

body.theme-light .title-badge {
  background: rgba(255, 255, 255, 0.9);
}

.title-group p {
  margin: 4px 0 0;
  color: var(--text-soft);
  font-size: 0.85rem;
}

.header-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

button,
select,
input {
  font-family: inherit;
}

.btn {
  border-radius: 999px;
  border: 1px solid var(--accent-soft);
  background: rgba(15, 23, 42, 0.9);
  color: var(--accent);
  padding: 8px 14px;
  font-size: 0.86rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}

body.theme-light .btn {
  background: #ffffff;
  border-color: #d1d5db;
  color: var(--accent);
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.06);
}

.btn.primary {
  background: linear-gradient(120deg, var(--accent), #0ea5e9);
  color: #020617;
  border-color: transparent;
  box-shadow: 0 10px 30px rgba(8, 47, 73, 0.7);
  font-weight: 600;
}

body.theme-light .btn.primary {
  box-shadow: 0 10px 26px rgba(59, 130, 246, 0.35);
}

.btn.small {
  padding: 5px 10px;
  font-size: 0.78rem;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 35px rgba(15, 23, 42, 0.8);
}

body.theme-light .btn:hover {
  box-shadow: 0 10px 26px rgba(15, 23, 42, 0.12);
  background: #f9fafb;
}

.btn.danger {
  border-color: rgba(248, 113, 113, 0.4);
  color: #fecaca;
}

body.theme-light .btn.danger {
  background: #fef2f2;
  color: #b91c1c;
  border-color: #fecaca;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-bottom: 18px;
}

.panel {
  background:
    radial-gradient(circle at top left, var(--accent-strong), transparent 55%),
    radial-gradient(circle at bottom right, rgba(15, 23, 42, 0.85), var(--panel) 70%);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  padding: 18px 18px 16px;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(16px);
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

body.theme-light .panel {
  background: #ffffff;
  border-color: #e5e7eb;
  box-shadow: var(--shadow-soft);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 12px;
}

.panel-title {
  font-size: 0.95rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.panel-title span.icon {
  font-size: 1.1rem;
}

.panel-subtitle {
  margin: 0;
  font-size: 0.75rem;
  color: var(--text-soft);
}

.full-width {
  margin-top: 6px;
}

.range-selector {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-soft);
}

.range-selector select {
  max-width: 160px;
  font-size: 0.8rem;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--accent-soft);
  background: rgba(15, 23, 42, 0.9);
  color: var(--accent);
  outline: none;
  transition: background 0.2s ease, border-color 0.2s ease;
}

body.theme-light .range-selector select {
  background: #ffffff;
  color: #0f172a;
  border-color: #d1d5db;
}

/* Formulario en modal */
form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 14px;
  margin-top: 4px;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.85rem;
}

.field-group.full {
  grid-column: 1 / -1;
}

label {
  color: var(--text-soft);
}

.field-row {
  display: flex;
  gap: 8px;
}

select,
input[type="text"],
input[type="number"],
input[type="date"] {
  border-radius: 999px;
  border: 1px solid #111827;
  padding: 7px 12px;
  font-size: 0.85rem;
  background: rgba(15, 23, 42, 0.9);
  color: var(--text-main);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  width: 100%;
}

body.theme-light select,
body.theme-light input[type="text"],
body.theme-light input[type="number"],
body.theme-light input[type="date"] {
  background: #ffffff;
  border-color: #d1d5db;
  color: #0f172a;
}

select:focus,
input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.3);
  background: #020617;
}

body.theme-light select:focus,
body.theme-light input:focus {
  background: #f9fafb;
  box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.25);
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"] {
  -moz-appearance: textfield;
}

.btn-submit {
  grid-column: 1 / -1;
  justify-self: flex-start;
  margin-top: 2px;
}

/* Resumen */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 6px;
}

.summary-card {
  border-radius: 16px;
  border: 1px solid #111827;
  background: rgba(15, 23, 42, 0.85);
  padding: 10px 12px;
  font-size: 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.summary-card:hover {
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.55);
}

body.theme-light .summary-card {
  background: #ffffff;
  border-color: #e5e7eb;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
}

body.theme-light .summary-card:hover {
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.12);
}

.summary-label {
  color: var(--text-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}

.summary-dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
}

.summary-dot.income {
  background: var(--income);
}

.summary-dot.expense {
  background: var(--expense);
}

.summary-dot.balance {
  background: var(--accent);
}

.summary-amount {
  font-size: 1.05rem;
  font-weight: 600;
}

.summary-extra {
  font-size: 0.72rem;
  color: var(--text-soft);
}

.summary-extra strong {
  color: var(--accent);
}

/* Gráficos */
.charts {
  margin-top: 12px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.6fr);
  gap: 10px;
}

.chart-card {
  border-radius: 16px;
  border: 1px solid #111827;
  background: radial-gradient(circle at top, rgba(56, 189, 248, 0.22), rgba(15, 23, 42, 0.95));
  padding: 8px 10px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-height: 200px;
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.chart-card:hover {
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.7);
}

body.theme-light .chart-card {
  background: #ffffff;
  border-color: #e5e7eb;
  box-shadow: 0 10px 26px rgba(15, 23, 42, 0.06);
}

body.theme-light .chart-card:hover {
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.14);
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-soft);
}

.chart-header strong {
  color: var(--text-main);
  font-size: 0.8rem;
}

.chart-wrapper {
  position: relative;
  flex: 1;
  min-height: 160px;
}

.chart-empty {
  font-size: 0.78rem;
  color: var(--text-soft);
  text-align: center;
  margin-top: auto;
  padding: 10px 4px 4px;
}

/* Tabla movimientos */
.table-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 0.8rem;
  flex-wrap: wrap;
}

.table-toolbar-left {
  display: flex;
  gap: 8px;
  align-items: center;
  color: var(--text-soft);
  flex-wrap: wrap;
}

.table-toolbar-right {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  min-width: 0;
}

.filter-select {
  max-width: 160px;
}

.search-input {
  max-width: 260px;
  min-width: 200px;
}

.date-filters {
  display: flex;
  gap: 6px;
  align-items: center;
}

.date-filters input[type="date"] {
  max-width: 140px;
  font-size: 0.78rem;
  padding: 5px 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
  border-radius: 12px;
  overflow: hidden;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid #111827;
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

thead {
  background: linear-gradient(to right, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.6));
}

body.theme-light table {
  background: #ffffff;
  border-color: #e5e7eb;
  box-shadow: 0 10px 26px rgba(15, 23, 42, 0.06);
}

body.theme-light thead {
  background: linear-gradient(to right, #f3f4f6, #e5e7eb);
}

th,
td {
  padding: 8px 10px;
  text-align: left;
  white-space: nowrap;
}

th {
  font-weight: 600;
  color: var(--text-soft);
}

tbody tr:nth-child(even) {
  background: rgba(15, 23, 42, 0.75);
}

tbody tr:hover {
  background: rgba(15, 23, 42, 1);
}

body.theme-light tbody tr:nth-child(even) {
  background: #f9fafb;
}

body.theme-light tbody tr:hover {
  background: #e5f0ff;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.72rem;
  border: 1px solid rgba(148, 163, 184, 0.4);
  background: rgba(15, 23, 42, 0.9);
  color: var(--text-soft);
  transition: background 0.2s ease, border-color 0.2s ease;
}

body.theme-light .tag {
  background: #f9fafb;
  border-color: #e5e7eb;
}

.tag.income {
  border-color: rgba(34, 197, 94, 0.7);
  color: #bbf7d0;
}

.tag.expense {
  border-color: rgba(249, 115, 22, 0.7);
  color: #fed7aa;
}

body.theme-light .tag.income {
  background: #ecfdf5;
  color: #166534;
  border-color: #6ee7b7;
}

body.theme-light .tag.expense {
  background: #fff7ed;
  color: #9a3412;
  border-color: #fed7aa;
}

.amount.income {
  color: var(--income);
  font-weight: 600;
}

.amount.expense {
  color: var(--expense);
  font-weight: 600;
}

.table-empty {
  text-align: center;
  padding: 10px;
  font-size: 0.8rem;
  color: var(--text-soft);
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  justify-content: center;
}

.table-empty .btn.small {
  font-size: 0.75rem;
  padding: 4px 10px;
}

.delete-btn {
  border: none;
  background: transparent;
  color: #fca5a5;
  cursor: pointer;
  font-size: 0.8rem;
  padding: 0;
}

.delete-btn:hover {
  text-decoration: underline;
}

.edit-btn {
  border: none;
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  font-size: 0.8rem;
  padding: 0;
  margin-right: 8px;
}

.edit-btn:hover {
  text-decoration: underline;
}

.file-input-hidden {
  display: none;
}

/* Botones de ordenación */
.sort-btn {
  background: transparent;
  border: none;
  color: inherit;
  font: inherit;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  padding: 0;
}

.sort-btn .sort-icon {
  font-size: 0.7rem;
  opacity: 0.6;
}

.sort-btn.active .sort-icon {
  opacity: 1;
}

/* Modal nuevo movimiento */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.78);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 50;
}

.modal-backdrop.open {
  display: flex;
}

.modal-panel {
  max-width: 520px;
  width: 100%;
}

.modal-close-btn {
  border: none;
  background: transparent;
  color: var(--text-soft);
  cursor: pointer;
  font-size: 1.1rem;
  padding: 4px;
  border-radius: 999px;
}

.modal-close-btn:hover {
  color: var(--text-main);
  background: rgba(15, 23, 42, 0.4);
}

.table-container {
  width: 100%;
  overflow-x: auto;
}

.table-container table {
  width: 100%;
  min-width: 640px;
}

/* --- Responsivo --- */
@media (max-width: 900px) {
  body {
    padding: 16px;
  }

  header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .header-actions {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 8px;
  }

  .charts {
    grid-template-columns: minmax(0, 1fr);
  }

  .table-toolbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .table-toolbar-right {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 8px;
  }

  .search-input {
    min-width: 0;
    flex: 1;
    width: 100%;
  }
}

@media (max-width: 600px) {
  form {
    grid-template-columns: minmax(0, 1fr);
  }

  .panel {
    padding: 14px 14px 12px;
  }

  .summary-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .date-filters {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .date-filters input[type="date"] {
    max-width: 100%;
    flex: 1;
  }

  th,
  td {
    padding: 6px 8px;
  }

  .modal-panel {
    max-width: 100%;
    width: calc(100% - 24px);
    margin: 0 12px;
  }
}

/* Footer */
.app-footer {
  margin-top: 40px;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-soft);
  opacity: 0.8;
  padding: 20px 0 10px;
}

.app-footer a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.app-footer a:hover {
  text-decoration: underline;
}