/* public/css/style.css */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* REGLA 60-30-10 TEMA BLANCO */
  /* 60% DOMINANTE (Blancos y Tonos Claros de Fondo) */
  --bg-main: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-subtle: #F1F5F9;
  --border-color: #E2E8F0;
  --border-focus: #CBD5E1;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px -2px rgba(15, 23, 42, 0.06), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 12px 24px -4px rgba(15, 23, 42, 0.08), 0 4px 6px -2px rgba(15, 23, 42, 0.04);

  /* 30% SECUNDARIO (Texto Estructural, Encabezados y Componentes Slate) */
  --text-main: #0F172A;
  --text-muted: #64748B;
  --text-secondary: #334155;
  --nav-bg: #FFFFFF;
  --table-header-bg: #F8FAFC;
  --card-header-border: #F1F5F9;

  /* 10% ACENTO (Acciones, Destacados y Alertas) */
  --accent-primary: #059669;      /* Emerald Green - Botón principal, Ingresos, Ahorros */
  --accent-primary-hover: #047857;
  --accent-expense: #EF4444;      /* Crimson Red - Gastos y Alertas */
  --accent-expense-light: #FEF2F2;
  --accent-income-light: #ECFDF5;
  --accent-indigo: #6366F1;       /* Indigo - Gráficos y Botones secundarios */
  --accent-indigo-hover: #4F46E5;
  --accent-warning: #F59E0B;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

html, body {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

* {
  box-sizing: inherit;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* HEADER & NAVIGATION */
.navbar {
  background: var(--nav-bg);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
  width: 100%;
}

.navbar-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
}

.navbar-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text-main);
  flex-shrink: 0;
}

.brand-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #10B981, #059669);
  color: #FFFFFF;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 4px 10px rgba(16, 185, 129, 0.25);
}

.brand-title {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: var(--text-main);
  line-height: 1.1;
}

.brand-subtitle {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 500;
}

.nav-links {
  display: flex;
  gap: 0.5rem;
  list-style: none;
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 0.15rem;
}

.nav-links::-webkit-scrollbar {
  display: none;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.85rem;
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  white-space: nowrap;
}

.nav-link:hover {
  background-color: var(--bg-subtle);
  color: var(--text-main);
}

.nav-link.active {
  background-color: var(--text-main);
  color: #FFFFFF;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

/* MAIN CONTENT CONTAINER */
.main-layout {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem;
  width: 100%;
  flex: 1;
  overflow-x: hidden;
}

/* TOP BAR CONTROLS */
.dashboard-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  width: 100%;
}

.page-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.03em;
}

.page-subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.2rem;
}

.period-picker {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 0.35rem 0.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.period-picker select {
  border: none;
  outline: none;
  background: transparent;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  padding: 0.15rem;
}

/* BUTTONS (10% ACCENT) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--accent-primary);
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(5, 150, 105, 0.2);
}

.btn-primary:hover {
  background-color: var(--accent-primary-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-card);
  border-color: var(--border-color);
  color: var(--text-secondary);
}

.btn-secondary:hover {
  background-color: var(--bg-subtle);
  color: var(--text-main);
}

.btn-indigo {
  background-color: var(--accent-indigo);
  color: #FFFFFF;
}

.btn-indigo:hover {
  background-color: var(--accent-indigo-hover);
}

.btn-danger-outline {
  background-color: transparent;
  border-color: #FECACA;
  color: var(--accent-expense);
}

.btn-danger-outline:hover {
  background-color: var(--accent-expense-light);
}

.btn-sm {
  padding: 0.35rem 0.65rem;
  font-size: 0.78rem;
  border-radius: var(--radius-sm);
}

/* KPI STATS CARDS */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
  width: 100%;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
  width: 100%;
}

.kpi-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.kpi-title {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.kpi-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.kpi-icon.budget { background-color: #EEF2FF; color: var(--accent-indigo); }
.kpi-icon.expense { background-color: var(--accent-expense-light); color: var(--accent-expense); }
.kpi-icon.income { background-color: var(--accent-income-light); color: var(--accent-primary); }
.kpi-icon.balance { background-color: #F0FDF4; color: #166534; }

.kpi-amount {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.03em;
  margin-bottom: 0.4rem;
}

.kpi-footer {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* PROGRESS BAR */
.progress-container {
  width: 100%;
  height: 8px;
  background-color: var(--bg-subtle);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 0.5rem;
}

.progress-bar {
  height: 100%;
  border-radius: 999px;
  transition: width 0.4s ease;
}

.progress-bar.success { background-color: var(--accent-primary); }
.progress-bar.warning { background-color: var(--accent-warning); }
.progress-bar.danger { background-color: var(--accent-expense); }

/* GRID LAYOUT FOR CHARTS & TABLES */
.dashboard-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
  width: 100%;
}

/* CARD CONTAINER */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
}

.card-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--card-header-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-body {
  padding: 1.25rem;
  flex: 1;
  width: 100%;
  max-width: 100%;
}

/* TABLE STYLING */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.custom-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.88rem;
}

.custom-table th {
  background-color: var(--table-header-bg);
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.custom-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
  white-space: nowrap;
}

.custom-table tbody tr {
  transition: background-color 0.15s ease;
}

.custom-table tbody tr:hover {
  background-color: var(--bg-subtle);
}

/* BADGES */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
}

.badge-expense {
  background-color: var(--accent-expense-light);
  color: var(--accent-expense);
}

.badge-income {
  background-color: var(--accent-income-light);
  color: var(--accent-primary);
}

.badge-category {
  background-color: var(--bg-subtle);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

/* MODAL DIALOGS */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 540px;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px) scale(0.97);
  transition: all 0.25s ease;
  overflow: hidden;
  border: 1px solid var(--border-color);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

.modal-overlay.active .modal {
  transform: translateY(0) scale(1);
}

.modal-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
}

.modal-close {
  background: transparent;
  border: none;
  font-size: 1.25rem;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  padding: 0.2rem 0.5rem;
}

.modal-body {
  padding: 1.25rem;
  overflow-y: auto;
}

/* FORMS */
.form-group {
  margin-bottom: 1.1rem;
}

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.35rem;
}

.form-control {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.88rem;
  color: var(--text-main);
  background-color: #FFFFFF;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.15);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.type-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  background-color: var(--bg-subtle);
  padding: 0.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.1rem;
}

.type-btn {
  padding: 0.55rem;
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.type-btn.active.expense {
  background-color: #FFFFFF;
  color: var(--accent-expense);
  box-shadow: var(--shadow-sm);
}

.type-btn.active.income {
  background-color: #FFFFFF;
  color: var(--accent-primary);
}

/* FOOTER */
.footer {
  margin-top: auto;
  border-top: 1px solid var(--border-color);
  background: var(--bg-card);
  padding: 1.25rem;
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ==========================================
   DISEÑO 100% RESPONSIVO PARA MÓVILES
   ========================================== */

@media (max-width: 768px) {
  /* ELIMINAR CUALQUIER DESBORDAMIENTO HORIZONTAL EN CELULARES */
  html, body {
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: hidden !important;
  }

  .main-layout {
    padding: 1rem 0.85rem !important;
  }

  /* BOTÓN EN ENCABEZADO MÓVIL: OCULTAR TEXTO PARA EVITAR DEFORMACIÓN */
  .btn-header-new .btn-text {
    display: none;
  }

  .btn-header-new {
    padding: 0.4rem 0.6rem !important;
    border-radius: var(--radius-sm) !important;
  }

  .dashboard-header {
    flex-direction: column;
    align-items: stretch;
    gap: 0.85rem;
  }

  .dashboard-header > div:last-child {
    width: 100%;
    flex-direction: column;
  }

  .dashboard-header button,
  .dashboard-header .btn {
    width: 100%;
    justify-content: center;
  }

  .page-title {
    font-size: 1.4rem;
  }

  /* FORMULARIO DE REGISTRO MANUAL */
  #quickExpenseForm {
    grid-template-columns: 1fr !important;
    gap: 0.75rem !important;
  }

  #quickExpenseForm button {
    width: 100% !important;
  }

  /* REORGANIZAR GRÁFICO REDONDO + LISTA A 1 COLUMNA */
  .card-body > div[style*="grid-template-columns: 1fr 1.2fr"] {
    grid-template-columns: 1fr !important;
    gap: 1.25rem !important;
  }

  /* AJUSTAR ALTURA DEL CONTENEDOR DEL CHART EN MÓVIL */
  .card-body div[style*="height: 320px"] {
    height: 250px !important;
  }

  /* FORMULARIOS DE FILTRO */
  #filterForm {
    grid-template-columns: 1fr !important;
  }

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

  /* TABLAS MÓVILES */
  .custom-table th, 
  .custom-table td {
    padding: 0.65rem 0.75rem;
    font-size: 0.82rem;
  }
}

@media (max-width: 480px) {
  .navbar-container {
    padding: 0.6rem 0.85rem;
  }

  .brand-title {
    font-size: 1rem;
  }

  .period-picker {
    padding: 0.25rem 0.4rem;
  }

  .period-picker select {
    font-size: 0.78rem;
  }

  .kpi-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .page-title {
    font-size: 1.3rem;
  }

  .kpi-amount {
    font-size: 1.4rem;
  }

  .modal-body {
    padding: 1rem;
  }
}