/* ===== VARIABLES CSS ===== */
:root {
  /* Modo oscuro (por defecto) */
  --bg-primary: linear-gradient(135deg, #0e0e0e 0%, #1a1a2e 100%);
  --bg-secondary: rgba(26, 26, 46, 0.9);
  --bg-tertiary: rgba(15, 15, 15, 0.6);
  --bg-config: linear-gradient(135deg, rgba(205, 148, 48, 0.1) 0%, rgba(225, 170, 74, 0.05) 100%);
  --text-primary: #e0e0e0;
  --text-secondary: #aaa;
  --text-title: #ffffff;
  --accent-primary: #CD9430;
  --accent-secondary: #e1aa4a;
  --border-primary: rgba(205, 148, 48, 0.2);
  --border-secondary: rgba(68, 68, 68, 0.3);
  --input-bg: rgba(26, 26, 26, 0.8);
  --input-border: rgba(68, 68, 68, 0.5);
  --table-bg: rgba(26, 26, 26, 0.5);
  --table-header: linear-gradient(135deg, rgba(38, 38, 38, 0.9) 0%, rgba(50, 50, 50, 0.9) 100%);
  --shadow-primary: rgba(0, 0, 0, 0.3);
  
  /* Variables dinámicas para branding */
  --brand-accent: #B8851F;
  
  /* Transiciones */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Sombras */
  --shadow-light: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 4px 12px rgba(0, 0, 0, 0.2);
  --shadow-strong: 0 8px 25px rgba(0, 0, 0, 0.4);
}

[data-theme="light"] {
  /* Modo claro */
  --bg-primary: linear-gradient(135deg, #fffff0 0%, #faf7ed 100%);
  --bg-secondary: rgba(255, 255, 250, 0.95);
  --bg-tertiary: rgba(254, 252, 245, 0.9);
  --bg-config: linear-gradient(135deg, rgba(180, 133, 31, 0.08) 0%, rgba(200, 150, 50, 0.05) 100%);
  --text-primary: #2d2d2d;
  --text-secondary: #666;
  --text-title: #ffffff;
  --accent-primary: #B8851F;
  --accent-secondary: #9A7019;
  --border-primary: rgba(180, 133, 31, 0.25);
  --border-secondary: rgba(220, 215, 200, 0.8);
  --input-bg: rgba(255, 255, 255, 0.9);
  --input-border: rgba(220, 215, 200, 0.8);
  --table-bg: rgba(255, 255, 255, 0.7);
  --table-header: linear-gradient(135deg, rgba(252, 250, 245, 0.9) 0%, rgba(248, 245, 235, 0.9) 100%);
  --shadow-primary: rgba(0, 0, 0, 0.08);
}

/* ===== RESET Y BASE ===== */
* {
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  padding: 1rem;
  margin: 0;
  min-height: 100vh;
  transition: all var(--transition-normal);
  line-height: 1.6;
}

/* ===== LAYOUT PRINCIPAL ===== */
.main-layout {
  display: flex;
  max-width: 1400px;
  margin: 0 auto;
  gap: 1rem;
  min-height: calc(100vh - 2rem);
  position: relative;
}

.main-content {
  flex: 1;
  background: var(--bg-secondary);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 2rem;
  box-shadow: 0 20px 40px var(--shadow-primary);
  border: 1px solid var(--border-secondary);
  margin-right: 0;
}

/* ===== HEADER ===== */
.header {
  text-align: center;
  margin-bottom: 2rem;
}

.logos-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.logo-forge {
  height: 200px;
  width: auto;
  border-radius: 8px;
  box-shadow: var(--shadow-medium);
  transition: all var(--transition-normal);
}

.logo-forge:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px var(--shadow-primary);
}

h1 {
  font-size: 2.5rem;
  margin: 1rem 0 0 0;
  font-weight: 700;
}

.title-forge {
  color: var(--text-title);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.title-cotizador {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== CONFIGURACIÓN SIDEBAR ===== */
.config-toggle-btn {
  position: fixed;
  top: 6rem;
  right: 0;
  background: var(--accent-primary);
  color: #000;
  border: none;
  border-radius: 15px 0 0 15px;
  cursor: pointer;
  font-size: 1rem;
  z-index: 1000;
  transition: all var(--transition-normal);
  box-shadow: -3px 3px 12px rgba(205, 148, 48, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.2rem;
  font-weight: bold;
  gap: 0.5rem;
}

.config-toggle-btn:hover,
.config-toggle-btn.active {
  background: var(--accent-secondary);
  transform: translateX(-5px);
}

.sidebar {
  width: 850px;
  max-width: 90vw;
  background: var(--bg-config);
  border-radius: 20px;
  border: 2px solid var(--border-primary);
  padding: 2rem;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  transition: all var(--transition-normal);
  z-index: 1001;
  max-height: 85vh;
  overflow-y: auto;
  overflow-x: hidden;
  opacity: 0;
  visibility: hidden;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.6);
}

.sidebar.show {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
  visibility: visible;
}

.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--border-primary);
}

.sidebar h3 {
  margin: 0;
  color: var(--accent-primary);
  font-size: 1.3rem;
  font-weight: bold;
}

.header-buttons {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.theme-toggle {
  background: var(--accent-primary);
  color: #000;
  border: none;
  border-radius: 8px;
  padding: 0.5rem 0.8rem;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: bold;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.theme-toggle:hover {
  background: var(--accent-secondary);
}

.close-config {
  background: #6b7280;
  color: white;
  border: none;
  border-radius: 8px;
  padding: 0.5rem;
  cursor: pointer;
  font-size: 1rem;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 35px;
  height: 35px;
}

.close-config:hover {
  background: #4b5563;
}

.sidebar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  backdrop-filter: blur(8px);
}

.sidebar-overlay.show {
  opacity: 1;
  visibility: visible;
}

/* ===== PESTAÑAS DE CONFIGURACIÓN ===== */
.config-tabs {
  display: flex;
  background: var(--input-bg);
  border-radius: 10px;
  padding: 0.3rem;
  margin-bottom: 2rem;
  gap: 0.3rem;
}

.tab-btn {
  flex: 1;
  padding: 0.8rem 1rem;
  background: transparent;
  color: var(--text-secondary);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  margin: 0;
}

.tab-btn:hover {
  background: rgba(205, 148, 48, 0.1);
  color: var(--text-primary);
}

.tab-btn.active {
  background: var(--accent-primary);
  color: #000;
  transform: none;
}

.tab-btn.active:hover {
  background: var(--accent-secondary);
}

/* ===== PANELES DE CONFIGURACIÓN ===== */
.config-panel {
  display: none;
}

.config-panel.active {
  display: block;
}

/* ===== CONFIGURACIÓN COTIZADOR ===== */
.config-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.config-group {
  background: var(--input-bg);
  padding: 1rem;
  border-radius: 10px;
  border: 1px solid var(--border-secondary);
  margin-bottom: 1rem;
}

.config-item {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.config-item:last-child {
  margin-bottom: 0;
}

/* ===== CONFIGURACIÓN DE BRANDING ===== */
.branding-grid {
  display: grid;
  gap: 2rem;
}

.branding-group {
  background: var(--input-bg);
  padding: 1.5rem;
  border-radius: 15px;
  border: 1px solid var(--border-primary);
}

.branding-group h4 {
  margin: 0 0 1.5rem 0;
  color: var(--accent-primary);
  font-size: 1.1rem;
  font-weight: bold;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--border-primary);
}

.branding-item {
  margin-bottom: 1rem;
}

.branding-item:last-child {
  margin-bottom: 0;
}

.branding-item label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.branding-item input {
  width: 100%;
}

/* ===== SUBIDA DE LOGOS ===== */
.logo-upload-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: start;
}

.logo-preview {
  position: relative;
  width: 100%;
  height: 120px;
  border: 2px dashed var(--border-primary);
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
}

.logo-preview:hover {
  border-color: var(--accent-primary);
  background: rgba(205, 148, 48, 0.1);
}

.logo-preview-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: none;
}

.logo-preview-img.loaded {
  display: block;
}

.logo-upload-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  text-align: center;
  gap: 0.5rem;
  transition: all var(--transition-normal);
}

.logo-preview:hover .logo-upload-overlay {
  color: var(--accent-primary);
}

.upload-btn {
  padding: 0.6rem 1rem;
  background: var(--accent-primary);
  color: #000;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: bold;
  font-size: 0.85rem;
  transition: all var(--transition-normal);
  margin: 0;
  width: 100%;
}

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

/* ===== SELECTORES DE COLOR ===== */
.color-picker-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.color-picker-item label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.color-input-group {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.color-input-group input[type="color"] {
  width: 50px;
  height: 40px;
  padding: 0;
  border: 2px solid var(--border-primary);
  border-radius: 8px;
  cursor: pointer;
  background: none;
}

.color-input-group input[type="text"] {
  flex: 1;
  font-family: monospace;
  text-transform: uppercase;
}

/* ===== REDES SOCIALES ===== */
.social-inputs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.social-input-item label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* ===== OPCIONES DE PERSONALIZACIÓN ===== */
.customization-options {
  display: grid;
  gap: 0.8rem;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  padding: 0.5rem;
  border-radius: 8px;
  margin: 0;
}

.checkbox-item:hover {
  background: rgba(205, 148, 48, 0.1);
}

.checkbox-item input[type="checkbox"] {
  width: auto;
  margin: 0;
  cursor: pointer;
  transform: scale(1.2);
}

.checkbox-item span {
  font-weight: 500;
  color: var(--text-primary);
}

/* ===== BOTONES DE ACCIÓN ===== */
.config-actions {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 2px solid var(--border-primary);
}

.action-group {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.action-btn {
  padding: 0.8rem 1.5rem;
  background: var(--accent-primary);
  color: #000;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: bold;
  font-size: 0.9rem;
  transition: all var(--transition-normal);
  margin: 0;
}

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

.action-btn.secondary {
  background: #6b7280;
  color: white;
}

.action-btn.secondary:hover {
  background: #4b5563;
}

/* ===== TOOLTIPS ===== */
.tooltip-icon {
  cursor: help;
  font-size: 1rem !important;
  position: relative;
  margin-top: 0.1rem;
  flex-shrink: 0;
  margin-left: 0.5rem;
  display: inline-block !important;
  opacity: 1 !important;
  visibility: visible !important;
  transition: all var(--transition-normal);
}

.tooltip-icon:hover {
  transform: scale(1.2);
}

.tooltip-icon::after {
  content: attr(data-tooltip);
  position: absolute;
  left: 0;
  top: -10px;
  transform: translateY(-100%);
  background: rgba(0, 0, 0, 0.95);
  color: white;
  padding: 1rem 1.2rem;
  border-radius: 10px;
  font-size: 0.85rem;
  white-space: normal;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
  max-width: 260px;
  width: max-content;
  line-height: 1.5;
  text-transform: none;
  font-weight: normal;
  border: 2px solid var(--accent-primary);
  box-shadow: var(--shadow-strong);
  letter-spacing: 0.5px;
  word-spacing: 1px;
  text-align: left;
  font-family: inherit;
}

.tooltip-icon::before {
  content: '';
  position: absolute;
  left: 20px;
  top: -5px;
  transform: translateY(-100%);
  border: 6px solid transparent;
  border-top-color: rgba(0, 0, 0, 0.95);
  z-index: 1001;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.tooltip-icon:hover::after,
.tooltip-icon:hover::before {
  opacity: 1;
}

/* ===== FORMULARIOS ===== */
.form-section {
  background: var(--bg-tertiary);
  border-radius: 15px;
  padding: 1.5rem;
  margin-bottom: 2rem;
  border: 1px solid var(--border-primary);
}

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

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

.form-group {
  flex: 1;
}

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

label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.95rem;
}

/* ===== INPUTS Y SELECTS ===== */
input, select {
  width: 100%;
  padding: 0.8rem;
  background: var(--input-bg);
  color: var(--text-primary);
  border: 2px solid var(--input-border);
  border-radius: 8px;
  transition: all var(--transition-normal);
  font-size: 1rem;
}

input:focus, select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(205, 148, 48, 0.2);
  transform: translateY(-1px);
}

select {
  cursor: pointer;
}

select option {
  background: var(--input-bg);
  color: var(--text-primary);
  padding: 0.5rem;
}

/* ===== TIEMPO ===== */
.time-inputs {
  display: flex;
  gap: 0.5rem;
  align-items: end;
}

.time-group {
  flex: 1;
  text-align: center;
}

.time-group label {
  font-size: 0.8rem;
  margin-bottom: 0.2rem;
  color: var(--text-secondary);
  justify-content: center;
}

.time-group input {
  text-align: center;
  font-weight: bold;
}

.time-separator {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--accent-primary);
  margin: 0 0.2rem;
  align-self: center;
  margin-top: 1.5rem;
}

.conversion-display, .time-display {
  background: rgba(205, 148, 48, 0.1);
  padding: 0.8rem;
  border-radius: 5px;
  margin-top: 2rem;
  margin-bottom: 2rem;
  text-align: center;
  font-weight: bold;
  color: var(--accent-primary);
  font-size: 0.85rem;
  border: 1px solid var(--border-primary);
}

/* ===== BOTONES ===== */
button {
  margin-top: 1rem;
  padding: 1rem 2rem;
  background: var(--accent-primary);
  color: #000;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: bold;
  font-size: 1rem;
  transition: all var(--transition-normal);
}

button:hover {
  background: var(--accent-secondary);
  transform: translateY(-1px);
}

button:active {
  transform: translateY(0);
}

.quick-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-top: 0.5rem;
}

.quick-btn {
  padding: 0.3rem 0.6rem;
  background: rgba(205, 148, 48, 0.2);
  color: var(--accent-primary);
  border: 1px solid rgba(205, 148, 48, 0.4);
  border-radius: 5px;
  cursor: pointer;
  font-size: 0.75rem;
  transition: all var(--transition-fast);
  white-space: nowrap;
  margin: 0;
}

.quick-btn:hover {
  background: var(--accent-primary);
  color: #000;
  transform: scale(1.05);
}

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

.preset-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
}

.preset-btn {
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
  background: #6b7280;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition-normal);
  margin: 0;
}

.preset-btn:hover {
  background: #4b5563;
  transform: translateY(-1px);
}

/* ===== TABLAS ===== */
.tabla-resultados {
  margin-top: 2rem;
  background: var(--bg-tertiary);
  padding: 2rem;
  border-radius: 15px;
  border: 1px solid var(--border-primary);
}

.tabla-resultados h2 {
  margin-top: 0;
  color: var(--accent-primary);
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow-light);
}

th, td {
  border: 1px solid var(--border-secondary);
  padding: 1rem 0.8rem;
  text-align: left;
}

th {
  background: var(--table-header);
  color: var(--accent-primary);
  font-weight: bold;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
}

td {
  background: var(--table-bg);
  transition: background var(--transition-normal);
}

tr:hover td {
  background: rgba(205, 148, 48, 0.1);
}

table input[type="number"] {
  background: var(--input-bg);
  color: var(--text-primary);
  border: 2px solid var(--border-primary);
  border-radius: 6px;
  text-align: center;
  font-weight: bold;
  transition: all var(--transition-normal);
  cursor: pointer;
  padding: 0.5rem;
  font-size: 0.9rem;
  width: 80px;
}

table input[type="number"]:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(205, 148, 48, 0.2);
  outline: none;
  cursor: text;
  background: var(--accent-primary);
  color: #000;
}

table input[type="number"]:hover {
  border-color: var(--accent-secondary);
  transform: scale(1.05);
}

.edit-btn {
  background: #3b82f6;
  color: #fff;
  border: none;
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  cursor: pointer;
  font-weight: bold;
  transition: all var(--transition-normal);
  font-size: 0.8rem;
  margin: 0 0.2rem;
}

.edit-btn:hover {
  background: #2563eb;
  transform: scale(1.05);
}

.eliminar-btn {
  background: #dc2626;
  color: #fff;
  border: none;
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  cursor: pointer;
  font-weight: bold;
  transition: all var(--transition-normal);
  font-size: 0.8rem;
  margin: 0 0.2rem;
}

.eliminar-btn:hover {
  background: #b91c1c;
  transform: scale(1.05);
}

/* ===== TOTAL SECTION ===== */
.total-section {
  background: linear-gradient(135deg, rgba(205, 148, 48, 0.1) 0%, rgba(225, 170, 74, 0.1) 100%);
  padding: 1.5rem;
  border-radius: 10px;
  margin-top: 1rem;
  border: 2px solid var(--border-primary);
  text-align: center;
}

.total-amount {
  font-size: 1.8rem;
  font-weight: bold;
  color: var(--accent-primary);
  text-align: center;
  margin-bottom: 1rem;
}

.total-section .button-group {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.material-info {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-style: italic;
}

/* ===== TOOLTIPS GENERALES ===== */
.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip .tooltiptext {
  visibility: hidden;
  width: 200px;
  background-color: rgba(0, 0, 0, 0.9);
  color: #fff;
  text-align: center;
  border-radius: 6px;
  padding: 8px;
  position: absolute;
  z-index: 1;
  bottom: 125%;
  left: 50%;
  margin-left: -100px;
  opacity: 0;
  transition: opacity var(--transition-normal);
  font-size: 0.8rem;
}

.tooltip:hover .tooltiptext {
  visibility: visible;
  opacity: 1;
}

/* ===== ICONOS ===== */
.fas, .fab {
  color: var(--text-primary);
}

[data-theme="light"] .fas, 
[data-theme="light"] .fab {
  color: var(--text-primary);
}

.config-toggle-btn .fas,
.theme-toggle .fas,
.close-config .fas,
button .fas,
.social-icons .fas,
.social-icons .fab {
  color: inherit !important;
}

/* ===== FOOTER ===== */
footer {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-secondary);
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.footer-brand img {
  height: 40px;
  width: auto;
  border-radius: 6px;
  transition: all var(--transition-normal);
}

.footer-brand img:hover {
  transform: scale(1.1);
}

.social-icons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 1rem;
}

.social-icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  text-decoration: none;
  transition: all var(--transition-normal);
  font-size: 1.2rem;
}

.social-icons a:hover {
  transform: translateY(-3px) scale(1.1);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.social-icons a.tiktok {
  background: linear-gradient(135deg, #ff0050, #000);
  color: white;
}

.social-icons a.instagram {
  background: linear-gradient(135deg, #e1306c, #f77737, #fcaf45);
  color: white;
}

.social-icons a.youtube {
  background: #ff0000;
  color: white;
}

.social-icons a.linkedin {
  background: #0077b5;
  color: white;
}

.social-icons a.facebook {
  background: #1877f2;
  color: white;
}

/* ===== ANIMACIONES ===== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes slideIn {
  from { transform: translateX(400px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.modal-overlay {
  backdrop-filter: blur(5px);
  animation: fadeIn var(--transition-normal) ease;
}

.modal-overlay > div {
  animation: slideUp var(--transition-normal) ease;
}

.notificacion {
  animation: slideIn var(--transition-normal) ease;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1400px) {
  .sidebar {
    width: 750px;
  }
}

@media (max-width: 1024px) {
  .sidebar {
    width: 600px;
    max-width: 90vw;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .config-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .branding-grid {
    gap: 1.5rem;
  }
  
  .color-picker-grid,
  .social-inputs-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .logo-upload-section {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  body {
    padding: 0.5rem;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  .time-inputs {
    justify-content: center;
  }

  .logos-container {
    gap: 1rem;
  }

  .logo-forge {
    height: 120px;
  }

  .config-toggle-btn {
    font-size: 0.9rem;
    padding: 0.6rem 1rem;
  }

  .config-toggle-btn span {
    display: none;
  }
}

@media (max-width: 768px) {
  .main-content {
    padding: 1rem;
  }
  
  .sidebar {
    padding: 1.5rem;
    width: 500px;
    max-width: 90vw;
  }
  
  table {
    font-size: 0.8rem;
  }
  
  th, td {
    padding: 0.5rem 0.4rem;
  }
  
  .social-icons {
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  
  .social-icons a {
    width: 35px;
    height: 35px;
    font-size: 1rem;
  }

  .config-toggle-btn {
    padding: 0.5rem 0.8rem;
    font-size: 0.8rem;
  }

  .logo-forge {
    height: 110px;
  }

  .tooltip-icon::after {
    max-width: 250px;
  }
  
  .config-tabs {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .tab-btn {
    padding: 0.6rem;
    font-size: 0.85rem;
  }
}

@media (max-width: 480px) {
  .preset-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .preset-btn {
    width: 100%;
    max-width: 200px;
  }
  
  .quick-options {
    justify-content: center;
  }

  .logo-forge {
    height: 100px;
  }

  .total-section .button-group {
    flex-direction: column;
    align-items: center;
  }

  .config-toggle-btn {
    padding: 0.4rem 0.6rem;
    font-size: 0.7rem;
  }

  .sidebar {
    width: 350px;
    max-width: 95vw;
    padding: 1rem;
  }
  
  .action-group {
    flex-direction: column;
    align-items: center;
  }
  
  .action-btn {
    width: 100%;
    max-width: 200px;
  }
}

/* ===== OPTIMIZACIONES ===== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .config-toggle-btn,
  .sidebar,
  .sidebar-overlay,
  .social-icons {
    display: none !important;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
}

/* ===== UTILIDADES ===== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.loading {
  opacity: 0.6;
  pointer-events: none;
}

.disabled {
  opacity: 0.5;
  pointer-events: none;
}