/* Estilos para o Gerador de Assinaturas Nuproxa */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Poppins:wght@300;400;500;600;700&family=Rubik:ital,wght@0,300;0,400;0,500;0,700;1,300;1,400;1,500;1,700&display=swap');

:root {
  /* Nuproxa Palette */
  --np-primary: #1e7d34;
  --np-primary-light: #2eb85c;
  --np-accent: #36c86c;
  --np-accent-glow: rgba(54, 200, 108, 0.2);
  --np-dark: #111b15;
  --np-dark-card: #16241c;
  --np-dark-input: #1f3126;
  --np-light-gray: #f4f7f5;
  --np-border: rgba(54, 200, 108, 0.15);
  --np-text: #e2e8f0;
  --np-text-muted: #94a3b8;
  --np-white: #ffffff;
  
  --font-primary: 'Poppins', sans-serif;
  --font-display: 'Outfit', sans-serif;
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.3);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--np-dark);
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(30, 125, 52, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(54, 200, 108, 0.12) 0%, transparent 40%);
  color: var(--np-text);
  font-family: var(--font-primary);
  min-height: 100vh;
  line-height: 1.6;
  padding: 2rem 1rem;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
}

/* Header */
header {
  text-align: center;
  margin-bottom: 3rem;
  animation: fadeIn 0.8s ease-out;
}

.header-logo {
  max-width: 200px;
  height: auto;
  margin-bottom: 1rem;
  filter: brightness(0) invert(1);
}

h1 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  background: linear-gradient(135deg, var(--np-white) 30%, var(--np-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
}

.subtitle {
  color: var(--np-text-muted);
  font-size: 1.1rem;
  font-weight: 300;
}

/* App Layout Grid */
.app-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2.5rem;
  align-items: start;
  animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (max-width: 1024px) {
  .app-grid {
    grid-template-columns: 1fr;
  }
}

/* Cards */
.card {
  background: var(--np-dark-card);
  border: 1px solid var(--np-border);
  border-radius: 24px;
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(8px);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--np-primary), var(--np-accent));
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--np-white);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 1rem;
}

.card-title i {
  color: var(--np-accent);
}

/* Form Styling */
.form-group {
  margin-bottom: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--np-text-muted);
  margin-bottom: 0.5rem;
  transition: var(--transition);
}

.input-wrapper {
  position: relative;
}

input, select, textarea {
  width: 100%;
  padding: 0.875rem 1.25rem;
  background-color: var(--np-dark-input);
  border: 1.5px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  color: var(--np-white);
  font-family: var(--font-primary);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
}

input:focus, select:focus, textarea:focus {
  border-color: var(--np-accent);
  box-shadow: 0 0 0 4px var(--np-accent-glow);
  background-color: rgba(31, 49, 38, 0.7);
}

input::placeholder {
  color: rgba(255, 255, 255, 0.25);
}

/* Country Selector Custom Style */
select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2336c86c' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1.25rem center;
  background-size: 1.2rem;
  padding-right: 3rem;
  cursor: pointer;
}

select optgroup {
  background-color: var(--np-dark-card);
  color: var(--np-accent);
  font-weight: 600;
  font-family: var(--font-display);
}

select option {
  background-color: var(--np-dark-input);
  color: var(--np-text);
  font-weight: normal;
}

/* Brand Settings accordion styles removed */

/* Preview Section Container */
.preview-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.preview-box-wrapper {
  background: var(--np-white);
  border-radius: 20px;
  padding: 2.5rem 1.5rem;
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.05), var(--shadow-sm);
  overflow-x: auto;
  position: relative;
  border: 2px dashed rgba(54, 200, 108, 0.2);
}

/* Signature visual sandbox is in white to match standard email background */
#signature-preview {
  background: var(--np-white);
  color: #333333;
  width: 600px;
  min-width: 600px;
  flex-shrink: 0;
}

/* Preview Watermark */
.preview-badge {
  position: absolute;
  top: 10px;
  right: 15px;
  background: rgba(30, 125, 52, 0.1);
  color: var(--np-primary);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: 99px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  pointer-events: none;
}

/* Action Buttons */
.action-buttons {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 1rem;
}

@media (max-width: 480px) {
  .action-buttons {
    grid-template-columns: 1fr;
  }
}

.btn {
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 1rem;
  padding: 1rem 1.5rem;
  border-radius: 14px;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--np-primary) 0%, var(--np-accent) 100%);
  color: var(--np-white);
  box-shadow: 0 4px 15px rgba(54, 200, 108, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(54, 200, 108, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--np-white);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-secondary:active {
  transform: translateY(0);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--np-accent);
  color: var(--np-accent);
}

.btn-outline:hover {
  background: rgba(54, 200, 108, 0.08);
  transform: translateY(-2px);
}

/* Instructions Accordion */
.instructions-container {
  margin-top: 1rem;
}

.instructions-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--np-white);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tab-nav {
  display: flex;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 1rem;
  gap: 1rem;
}

.tab-btn {
  background: none;
  border: none;
  color: var(--np-text-muted);
  font-family: var(--font-primary);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.5rem 0.25rem 0.75rem;
  cursor: pointer;
  position: relative;
  transition: var(--transition);
}

.tab-btn:hover {
  color: var(--np-white);
}

.tab-btn.active {
  color: var(--np-accent);
}

.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--np-accent);
}

.tab-content {
  display: none;
  font-size: 0.85rem;
  color: var(--np-text-muted);
  line-height: 1.6;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.4s ease-out;
}

.tab-content ol {
  padding-left: 1.25rem;
}

.tab-content li {
  margin-bottom: 0.5rem;
}

.tab-content strong {
  color: var(--np-white);
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--np-dark-card);
  border: 1px solid var(--np-accent);
  border-radius: 12px;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s;
  opacity: 0;
  pointer-events: none;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.toast i {
  color: var(--np-accent);
  font-size: 1.25rem;
}

.toast-text {
  color: var(--np-white);
  font-weight: 500;
  font-size: 0.95rem;
}

/* Toggle Checkboxes Group */
.toggle-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

@media (max-width: 480px) {
  .toggle-group {
    grid-template-columns: 1fr;
  }
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  user-select: none;
  font-size: 0.9rem;
  color: var(--np-text);
}

.checkbox-label input {
  width: auto;
  margin: 0;
  cursor: pointer;
  accent-color: var(--np-accent);
  width: 1.2rem;
  height: 1.2rem;
}

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

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

/* Simple Icon sets via SVGs inline or CSS content since we don't have fontawesome loaded */
.icon-success {
  width: 18px;
  height: 18px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2336c86c' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  display: inline-block;
}

.icon-config {
  width: 18px;
  height: 18px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2336c86c' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='3'%3E%3C/circle%3E%3Cpath d='M19.4 15a1.65 1.65 0 0 0 .33 1.82l.06.06a2 2 0 1 1-2.83 2.83l-.06-.06a1.65 1.65 0 0 0-1.82-.33 1.65 1.65 0 0 0-1 1.51V21a2 2 0 0 1-4 0v-.09A1.65 1.65 0 0 0 9 19.4a1.65 1.65 0 0 0-1.82.33l-.06.06a2 2 0 1 1-2.83-2.83l.06-.06a1.65 1.65 0 0 0 .33-1.82 1.65 1.65 0 0 0-1.51-1H3a2 2 0 0 1 0-4h.09A1.65 1.65 0 0 0 4.6 9a1.65 1.65 0 0 0-.33-1.82l-.06-.06a2 2 0 1 1 2.83-2.83l.06.06a1.65 1.65 0 0 0 1.82.33H9a1.65 1.65 0 0 0 1-1.51V3a2 2 0 0 1 4 0v.09a1.65 1.65 0 0 0 1 1.51 1.65 1.65 0 0 0 1.82-.33l.06-.06a2 2 0 1 1 2.83 2.83l-.06.06a1.65 1.65 0 0 0-.33 1.82V9a1.65 1.65 0 0 0 1.51 1H21a2 2 0 0 1 0 4h-.09a1.65 1.65 0 0 0-1.51 1z'%3E%3C/path%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  display: inline-block;
  vertical-align: middle;
}

/* Language Selector */
.lang-selector-container {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 1rem;
}

.lang-selector {
  display: inline-flex;
  gap: 0.25rem;
  background: rgba(255, 255, 255, 0.05);
  padding: 0.25rem;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--np-text-muted);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: 7px;
  cursor: pointer;
  transition: var(--transition);
}

.lang-btn:hover {
  color: var(--np-white);
}

.lang-btn.active {
  background: var(--np-primary);
  color: var(--np-white);
}