/* 
 * Registro de Pasajes V2
 * Diseñado e Implementado por Ing. Jean Pool Tacunan Palomino
 * Estilos Principales - Modern, Premium, Mobile-First
 */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Dark Theme Variables (Default) */
  --bg-primary: #07090e;
  --bg-secondary: #0f131c;
  --bg-tertiary: #171d2a;
  --bg-glass: rgba(15, 19, 28, 0.75);
  --border-color: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --border-focus: rgba(0, 240, 255, 0.4);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #4b5563;
  
  --accent: #00f0ff;
  --accent-light: rgba(0, 240, 255, 0.15);
  --accent-gradient: linear-gradient(135deg, #00f0ff 0%, #3b82f6 100%);
  
  --success: #10b981;
  --success-light: rgba(16, 185, 129, 0.15);
  --warning: #f59e0b;
  --warning-light: rgba(245, 158, 11, 0.15);
  --danger: #ef4444;
  --danger-light: rgba(239, 68, 68, 0.15);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.4);
  --glass-blur: blur(16px);
  
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

.light-theme {
  /* Light Theme Variables */
  --bg-primary: #f4f6fa;
  --bg-secondary: #ffffff;
  --bg-tertiary: #edf1f7;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --border-color: rgba(0, 0, 0, 0.06);
  --border-hover: rgba(0, 0, 0, 0.12);
  --border-focus: rgba(37, 99, 235, 0.4);
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --accent: #2563eb;
  --accent-light: rgba(37, 99, 235, 0.1);
  --accent-gradient: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  
  --success: #059669;
  --success-light: rgba(5, 150, 105, 0.1);
  --warning: #d97706;
  --warning-light: rgba(217, 119, 6, 0.1);
  --danger: #dc2626;
  --danger-light: rgba(220, 38, 38, 0.1);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.12);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-main);
  background-color: #030508; /* Dark environment fallback */
  color: var(--text-primary);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  overflow: hidden;
  transition: background-color 0.3s ease;
}

/* App Container - Mocking a Mobile Frame on Desktop */
.app-container {
  width: 100%;
  max-width: 480px;
  height: 100vh;
  background-color: var(--bg-primary);
  border-left: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

@media (min-width: 481px) {
  .app-container {
    height: 92vh;
    border-radius: 40px;
    border: 8px solid var(--bg-secondary);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.05);
  }
}

/* Header Component */
header {
  padding: calc(16px + var(--safe-top)) 20px 16px 20px;
  background: var(--bg-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-brand img {
  width: 32px;
  height: 32px;
}

.brand-details h1 {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-details span {
  font-size: 0.65rem;
  color: var(--text-secondary);
  font-weight: 500;
  display: block;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Theme Toggle Button */
.theme-toggle-btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  color: var(--text-primary);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.theme-toggle-btn:active {
  transform: scale(0.9);
}

.theme-toggle-btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* Viewport for main panels */
main {
  flex: 1;
  overflow-y: auto;
  padding: 16px 16px calc(80px + var(--safe-bottom)) 16px;
  scrollbar-width: none; /* Hide scrollbar for Firefox */
}

main::-webkit-scrollbar {
  display: none; /* Hide scrollbar for Chrome/Safari */
}

.panel {
  display: none;
  animation: fadeInSlide 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.panel.active {
  display: block;
}

@keyframes fadeInSlide {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Card Styling */
.card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 18px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.card:hover {
  border-color: var(--border-hover);
}

.card-title {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* --- REGISTRO PANEL --- */
.amount-display {
  text-align: center;
  padding: 24px 10px;
  background: linear-gradient(180deg, var(--bg-tertiary) 0%, transparent 100%);
  border-radius: 18px;
  border: 1px solid var(--border-color);
  margin-bottom: 20px;
  position: relative;
  overflow: hidden;
}

.amount-display::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-gradient);
  opacity: 0.8;
}

.amount-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}

.amount-value {
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4px;
}

.amount-value span.currency {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-secondary);
  align-self: flex-start;
  margin-top: 8px;
}

/* Quick Buttons Grid */
.quick-amounts-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

.btn-quick {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 0;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-quick:active {
  transform: scale(0.95);
}

.btn-quick.active {
  background: var(--accent-gradient);
  border-color: transparent;
  color: #050814;
  box-shadow: 0 4px 12px rgba(0, 240, 255, 0.3);
}

/* Custom Input Field */
.input-custom-container {
  display: flex;
  align-items: center;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 10px 14px;
  margin-bottom: 20px;
  transition: border-color 0.2s ease;
}

.input-custom-container:focus-within {
  border-color: var(--border-focus);
}

.input-custom-container span {
  font-weight: 600;
  color: var(--text-secondary);
  margin-right: 8px;
}

.input-custom-container input {
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 600;
  width: 100%;
  outline: none;
}

/* Payment Methods Grid */
.payment-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}

.btn-payment {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 14px;
  border-radius: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-payment:active {
  transform: scale(0.97);
}

.btn-payment.active {
  border-color: var(--accent);
  background-color: var(--accent-light);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.1);
}

.btn-payment svg {
  width: 18px;
  height: 18px;
}

/* Payment specific brand styling */
.btn-payment[data-method="yape"].active {
  border-color: #742284;
  background-color: rgba(116, 34, 132, 0.15);
}
.btn-payment[data-method="plin"].active {
  border-color: #00bcd4;
  background-color: rgba(0, 188, 212, 0.15);
}
.btn-payment[data-method="efectivo"].active {
  border-color: #10b981;
  background-color: rgba(16, 185, 129, 0.15);
}
.btn-payment[data-method="transferencia"].active {
  border-color: #3b82f6;
  background-color: rgba(59, 130, 246, 0.15);
}

/* Optional Observation Field */
.observation-container {
  margin-bottom: 24px;
}

.observation-container input {
  width: 100%;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 12px 14px;
  font-family: var(--font-main);
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s ease;
}

.observation-container input::placeholder {
  color: var(--text-muted);
}

.observation-container input:focus {
  border-color: var(--border-focus);
}

/* Submit Action Button */
.btn-submit {
  width: 100%;
  background: var(--accent-gradient);
  border: none;
  color: #050814;
  font-family: var(--font-main);
  font-weight: 700;
  font-size: 1.05rem;
  padding: 16px 0;
  border-radius: 16px;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(0, 240, 255, 0.2);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
}

.btn-submit:active {
  transform: scale(0.97);
  box-shadow: 0 4px 12px rgba(0, 240, 255, 0.1);
}

.btn-submit svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* --- DASHBOARD PANEL --- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.stat-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-label {
  font-size: 0.7rem;
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-value {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-value.highlight {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-footer {
  font-size: 0.65rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

.stat-trend-up {
  color: var(--success);
}

.stat-trend-down {
  color: var(--danger);
}

/* Charts Containers */
.chart-container {
  position: relative;
  height: 180px;
  width: 100%;
}

.chart-legend {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 10px;
  font-size: 0.7rem;
  color: var(--text-secondary);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

.legend-color {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

/* --- HISTORIAL PANEL --- */
.filter-bar {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
}

.search-box {
  display: flex;
  align-items: center;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 10px 14px;
  transition: border-color 0.2s ease;
}

.search-box:focus-within {
  border-color: var(--border-focus);
}

.search-box svg {
  width: 16px;
  height: 16px;
  color: var(--text-secondary);
  margin-right: 10px;
}

.search-box input {
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-main);
  color: var(--text-primary);
  font-size: 0.85rem;
  width: 100%;
}

.search-box input::placeholder {
  color: var(--text-muted);
}

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

.select-filter {
  flex: 1;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 0.8rem;
  padding: 10px 14px;
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='rgba(148, 163, 184, 0.8)' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 14px;
  padding-right: 32px;
}

.filter-pills {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: none;
}

.filter-pills::-webkit-scrollbar {
  display: none;
}

.pill {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 20px;
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.2s ease;
}

.pill.active {
  background-color: var(--accent-light);
  border-color: var(--accent);
  color: var(--accent);
}

/* History List */
.history-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.history-item {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 12px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
  animation: entryItem 0.35s ease forwards;
}

@keyframes entryItem {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.history-item:hover {
  border-color: var(--border-hover);
  background-color: rgba(255, 255, 255, 0.01);
}

.history-item.deleting {
  opacity: 0;
  transform: translateX(-30px);
  height: 0;
  padding-top: 0;
  padding-bottom: 0;
  margin-bottom: 0;
  border: none;
}

.item-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.item-badge {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: 800;
  font-size: 0.75rem;
}

/* Badge colors matching brands */
.item-badge[data-method="yape"] {
  background-color: rgba(116, 34, 132, 0.12);
  color: #c95fdc;
}
.item-badge[data-method="plin"] {
  background-color: rgba(0, 188, 212, 0.12);
  color: #00bcd4;
}
.item-badge[data-method="efectivo"] {
  background-color: rgba(16, 185, 129, 0.12);
  color: #10b981;
}
.item-badge[data-method="transferencia"] {
  background-color: rgba(59, 130, 246, 0.12);
  color: #3b82f6;
}

.item-info {
  display: flex;
  flex-direction: column;
}

.item-payment-method {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: capitalize;
}

.item-meta {
  font-size: 0.7rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

.item-obs {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-style: italic;
  margin-top: 2px;
}

.item-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.item-amount {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.item-actions {
  display: flex;
  gap: 4px;
}

.btn-icon {
  background: transparent;
  border: none;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-icon:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.btn-icon.edit-btn:hover {
  color: var(--accent);
}

.btn-icon.delete-btn:hover {
  color: var(--danger);
}

.btn-icon svg {
  width: 14px;
  height: 14px;
}

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.empty-state svg {
  width: 48px;
  height: 48px;
  color: var(--text-muted);
  margin-bottom: 12px;
  opacity: 0.5;
}

/* --- AJUSTES PANEL & CREDITOS --- */
.settings-section-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 10px;
  margin-bottom: 12px;
}

.setting-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-color);
}

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

.setting-info {
  display: flex;
  flex-direction: column;
}

.setting-label {
  font-size: 0.85rem;
  font-weight: 600;
}

.setting-description {
  font-size: 0.7rem;
  color: var(--text-secondary);
}

/* Custom inputs for quick tariffs */
.tariff-inputs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 8px;
}

.tariff-input-box {
  display: flex;
  align-items: center;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 6px 8px;
}

.tariff-input-box span {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-right: 2px;
}

.tariff-input-box input {
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-main);
  color: var(--text-primary);
  font-size: 0.8rem;
  font-weight: 600;
  width: 100%;
}

.btn-secondary {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 0.8rem;
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

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

.btn-secondary svg {
  width: 14px;
  height: 14px;
}

.btn-danger {
  background-color: var(--danger-light);
  border: 1px solid var(--danger);
  color: var(--danger);
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 0.8rem;
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-danger:hover {
  background-color: var(--danger);
  color: #ffffff;
}

/* Credits Section */
.credits-card {
  background: linear-gradient(135deg, rgba(15, 19, 28, 0.9) 0%, rgba(7, 9, 14, 0.95) 100%);
  border: 1px solid var(--border-color);
  padding: 20px;
  border-radius: 20px;
  position: relative;
  overflow: hidden;
}

.credits-card::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--accent-gradient);
  filter: blur(40px);
  opacity: 0.15;
}

.credits-title {
  font-size: 0.7rem;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.credits-author {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.credits-subtitle {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 12px;
}

.credits-badge-container {
  display: flex;
  gap: 6px;
}

.credits-badge {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.65rem;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 6px;
}

/* --- BOTTOM TAB NAVIGATION BAR --- */
.bottom-nav {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: calc(64px + var(--safe-bottom));
  background: var(--bg-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding-bottom: var(--safe-bottom);
  z-index: 100;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.nav-item {
  flex: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.nav-item svg {
  width: 20px;
  height: 20px;
  transition: transform 0.2s ease, color 0.2s ease;
}

.nav-item span {
  font-size: 0.65rem;
  font-weight: 600;
  font-family: var(--font-main);
  transition: color 0.2s ease;
}

.nav-item.active {
  color: var(--accent);
}

.nav-item.active svg {
  transform: translateY(-2px);
  color: var(--accent);
}

/* Active indicator dot */
.nav-item.active::after {
  content: '';
  position: absolute;
  bottom: 6px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

/* Modern Toggle Switch */
.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  transition: .3s;
  border-radius: 24px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background-color: var(--text-secondary);
  transition: .3s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--accent-light);
  border-color: var(--accent);
}

input:checked + .slider:before {
  transform: translateX(20px);
  background-color: var(--accent);
}

/* --- MODALES / POPUPS PREMIUM --- */
.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(3, 5, 8, 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  justify-content: center;
  align-items: flex-end; /* Mobile drawer style */
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

@media (min-width: 481px) {
  .modal-overlay {
    align-items: center; /* Centered modal on desktop view */
    border-radius: 32px;
  }
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-top-left-radius: 28px;
  border-top-right-radius: 28px;
  padding: 24px 20px;
  width: 100%;
  max-width: 480px;
  box-shadow: var(--shadow-lg);
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  max-height: 85vh;
  overflow-y: auto;
}

@media (min-width: 481px) {
  .modal-content {
    border-radius: 24px;
    width: 90%;
    transform: translateY(30px);
  }
}

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

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.modal-header h3 {
  font-size: 1.1rem;
  font-weight: 700;
}

.modal-body {
  margin-bottom: 24px;
}

.modal-footer {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

/* Sound sound button effect styling */
.sound-toggle-active {
  animation: pulseLight 1s infinite alternate;
}

@keyframes pulseLight {
  from {
    box-shadow: 0 0 4px rgba(0, 240, 255, 0.2);
  }
  to {
    box-shadow: 0 0 12px rgba(0, 240, 255, 0.5);
  }
}

/* Print/PDF layout adjustments */
@media print {
  body {
    background-color: white;
    color: black;
  }
  .app-container {
    max-width: 100%;
    height: auto;
    border: none;
    box-shadow: none;
  }
  .bottom-nav, .theme-toggle-btn, .filter-bar, .header-actions, .quick-amounts-grid, .payment-grid, .observation-container, .btn-submit {
    display: none !important;
  }
  main {
    padding: 0;
  }
  .panel {
    display: none !important;
  }
  #historial {
    display: block !important;
  }
  .history-item {
    border-bottom: 1px solid #ccc !important;
    background-color: transparent !important;
    color: black !important;
  }
  .btn-icon {
    display: none !important;
  }
}