/*
 * DriftScript - Secure Temporary Messages
 * Modern redesign based on the original Temp.PM project
 * Style Guide:
 * - Colors: Primary #6439FF, Accent #00CCDD, Dark #121212, Light #FFFFFF, Text Dark #212121, Text Light #F5F5F5
 * - Typography: Inter for headings, Roboto for body text, Roboto Mono for links/codes
 */

:root {
  /* Color system */
  --color-primary: #6439FF;
  --color-primary-light: #4F75FF;
  --color-primary-dark: #5228E5;
  --color-accent: #00CCDD;
  --color-accent-light: #7CF5FF;
  --color-accent-dark: #00B3C4;
  
  /* Light theme (default) */
  --bg-color: #FFFFFF;
  --bg-secondary: #F5F7FA;
  --text-color: #212121;
  --text-secondary: #616161;
  --border-color: #E0E0E0;
  --card-bg: #FFFFFF;
  --shadow-color: rgba(33, 33, 33, 0.1);
  
  /* Semantic colors */
  --success-color: #43A047;
  --success-bg: #E8F5E9;
  --danger-color: #E53935;
  --danger-bg: #FFEBEE;
  --warning-color: #FFA000;
  --warning-bg: #FFF8E1;
  --info-color: #1E88E5;
  --info-bg: #E3F2FD;
  
  /* Spacing system */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-xxl: 48px;
  
  /* Typography */
  --font-primary: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Oxygen, Ubuntu, Cantarell, 'Open Sans', sans-serif;
  --font-headings: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Oxygen, Ubuntu, Cantarell, 'Open Sans', sans-serif;
  --font-mono: 'Roboto Mono', monospace;
  
  /* Component-specific */
  --header-height: 64px;
  --border-radius: 8px;
  --button-radius: 4px;
  --container-width: 800px;
  --container-padding: var(--space-md);
  --touch-target: 48px;
}

/* Dark theme variables */
.theme-dark {
  --bg-color: #121212;
  --bg-secondary: #1E1E1E;
  --text-color: #F5F5F5;
  --text-secondary: #B0B0B0;
  --border-color: #333333;
  --card-bg: #1E1E1E;
  --shadow-color: rgba(0, 0, 0, 0.3);
  
  /* Semantic colors for dark mode */
  --success-bg: rgba(67, 160, 71, 0.12);
  --danger-bg: rgba(229, 57, 53, 0.12);
  --warning-bg: rgba(255, 160, 0, 0.12);
  --info-bg: rgba(30, 136, 229, 0.12);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text-color);
  background-color: var(--bg-color);
  transition: background-color 0.3s ease, color 0.3s ease;
  min-height: 100vh;
  padding: var(--space-md);
}

/* Hidden mode styles */
body.hidden-mode .message-content {
  user-select: none;
}

/* Container and layout */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headings);
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--text-color);
}

h1 {
  font-size: 1.75rem;
}

h2 {
  font-size: 1.5rem;
}

h3 {
  font-size: 1.25rem;
}

p {
  margin-bottom: var(--space-md);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover, a:focus {
  color: var(--color-primary-light);
  text-decoration: underline;
}

pre, code {
  font-family: var(--font-mono);
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius);
  white-space: pre-wrap;
  word-break: break-word;
}

code {
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.9em;
}

pre {
  padding: var(--space-md);
  overflow: auto;
  line-height: 1.45;
  font-size: 0.9em;
}

/* Header styles */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border-color);
}

.logo-container {
  display: flex;
  flex-direction: column;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--text-color);
}

.logo-img {
  height: 32px;
  width: 32px;
  margin-right: var(--space-sm);
}

.logo-text {
  font-family: var(--font-headings);
  font-size: 1.5rem;
  font-weight: 700;
}

.tagline {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: var(--space-xs);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* Button styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--touch-target);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--button-radius);
  font-family: var(--font-primary);
  font-weight: 500;
  font-size: 1rem;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  outline: none;
}

.btn:hover, .btn:focus {
  text-decoration: none;
}

.btn-sm {
  font-size: 0.875rem;
  padding: var(--space-xs) var(--space-md);
  min-height: 36px;
}

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

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--color-primary-light);
  color: white;
}

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

.btn-accent:hover, .btn-accent:focus {
  background-color: var(--color-accent-light);
  color: white;
}

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

.btn-outline:hover, .btn-outline:focus {
  background-color: var(--bg-secondary);
  color: var(--text-color);
}

.btn-icon {
  min-height: 36px;
  min-width: 36px;
  border-radius: 50%;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: transparent;
  border: none;
  color: var(--text-color);
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.btn-icon:hover, .btn-icon:focus {
  background-color: var(--bg-secondary);
}

/* Icon styles */
.theme-toggle {
  position: relative;
}

.icon-moon, .icon-sun {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

/* Card styles */
.card {
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: 0 2px 8px var(--shadow-color);
  margin-bottom: var(--space-xl);
  overflow: hidden;
}

.card-header {
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border-color);
}

.card-title {
  margin-bottom: 0;
}

.card-body {
  padding: var(--space-lg);
}

/* Form elements */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-row {
  display: flex;
  flex-wrap: wrap;
  margin-right: -10px;
  margin-left: -10px;
}

.form-row > .form-group {
  padding-left: 10px;
  padding-right: 10px;
  flex-grow: 1;
  width: 100%;
}

@media (min-width: 768px) {
  .col-md-6 {
    width: 50%;
  }
}

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 500;
}

.form-control {
  display: block;
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text-color);
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(41, 98, 255, 0.1);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 16px 12px;
  padding-right: 2.5rem;
}

.theme-dark select.form-control {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23f5f5f5' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
}

/* Password protection */
.password-protection-group {
  margin-bottom: var(--space-lg);
}

.toggle-wrapper {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-xs);
}

.toggle-label {
  display: flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.toggle-checkbox {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
  background-color: var(--border-color);
  border-radius: 20px;
  margin-right: 10px;
  transition: background-color 0.2s;
}

.toggle-switch:before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: white;
  left: 2px;
  top: 2px;
  transition: transform 0.2s;
}

.toggle-checkbox:checked + .toggle-switch {
  background-color: var(--color-primary);
}

.toggle-checkbox:checked + .toggle-switch:before {
  transform: translateX(16px);
}

.toggle-text {
  font-weight: 500;
  margin-right: 8px;
}

.icon-key {
  width: 18px;
  height: 18px;
  fill: var(--text-secondary);
  margin-left: 4px;
}

.password-field-container {
  background-color: var(--bg-hover);
  border-radius: var(--border-radius);
  padding: var(--space-md);
  margin-top: var(--space-xs);
  border: 1px solid var(--border-color);
  animation: slide-down 0.3s ease-out;
}

.password-hint {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: var(--space-xs);
  margin-bottom: 0;
}

@keyframes slide-down {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.password-field {
  position: relative;
}

.password-toggle {
  position: absolute;
  top: 50%;
  right: var(--space-md);
  transform: translateY(-50%);
  background: transparent;
  border: none;
  padding: 0;
  color: var(--text-secondary);
  cursor: pointer;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.password-toggle svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.form-actions {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

/* Enhanced primary button for better visibility */
.form-actions .btn-primary {
  background-color: var(--color-primary);
  color: white;
  font-weight: 600;
  font-size: 1.1rem;
  padding: var(--space-md);
  transition: all 0.2s ease;
  box-shadow: 0 4px 6px rgba(100, 57, 255, 0.2);
}

.form-actions .btn-primary:hover, 
.form-actions .btn-primary:focus {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 8px rgba(100, 57, 255, 0.3);
}

/* Input group */
.input-group {
  display: flex;
  position: relative;
}

.input-group .form-control {
  flex: 1;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.input-group .btn {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

/* Alert styles */
.alert {
  border-radius: var(--border-radius);
  padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-lg);
}

.alert-title {
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.alert-content {
  font-size: 0.9375rem;
}

.alert-success {
  background-color: var(--success-bg);
  color: var(--success-color);
}

.alert-danger {
  background-color: var(--danger-bg);
  color: var(--danger-color);
}

.alert-warning {
  background-color: var(--warning-bg);
  color: var(--warning-color);
}

.alert-info {
  background-color: var(--info-bg);
  color: var(--info-color);
}

/* Message styles */
.message-container {
  position: relative;
  margin-bottom: var(--space-lg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.message-content {
  width: 100%;
  padding: var(--space-lg);
  background-color: var(--bg-secondary);
  max-height: 400px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.message-overlay {
  position: absolute;
  inset: 0;
  background-color: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.3s ease;
}

.hidden-message.revealed .message-overlay {
  opacity: 0;
  pointer-events: none;
}

/* TTL selection styles */
.ttl-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.ttl-option {
  position: relative;
}

.ttl-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.ttl-option label {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background-color: var(--bg-color);
  cursor: pointer;
  text-align: center;
  transition: all 0.2s ease;
  height: 100%;
}

.ttl-option input[type="radio"]:checked + label,
.ttl-option label.selected {
  border-color: var(--color-primary);
  background-color: rgba(100, 57, 255, 0.1);
}

.ttl-option input[type="radio"]:focus + label {
  box-shadow: 0 0 0 2px rgba(100, 57, 255, 0.4);
}

.ttl-option-time {
  font-weight: 600;
  font-size: 1rem;
}

.ttl-option-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: var(--space-xs);
}

/* Share options */
.share-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-md);
  justify-content: space-between;
}

.share-buttons {
  display: flex;
  gap: var(--space-sm);
}

.share-option {
  flex: 1;
  min-width: 120px;
}

.share-button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

.share-btn svg, .copy-btn svg {
  margin-right: 8px;
}

.share-button svg {
  width: 20px;
  height: 20px;
}

/* Ad Banner with Security Isolation */
.ad-container {
  margin: var(--space-md) 0 var(--space-md);
  contain: layout style;
  isolation: isolate;
}

.ad-banner {
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background-color: var(--bg-secondary);
  padding: var(--space-md);
  text-align: center;
  position: relative;
  min-height: 60px;
  max-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 4px var(--shadow-color);
  transition: all 0.3s ease;
  overflow: hidden;
}

.ad-banner:hover {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(0, 204, 221, 0.1);
}

.ad-isolated {
  contain: content;
  isolation: isolate;
  z-index: 1; /* Keep ad content in its own stacking context */
}

.adsense-container {
  width: 100%;
  max-height: 90px;
  overflow: hidden;
  isolation: isolate;
}

.ad-label {
  position: absolute;
  top: 2px;
  right: var(--space-sm);
  font-size: 0.75rem;
  color: var(--text-secondary);
  background-color: rgba(0, 0, 0, 0.05);
  padding: 1px 4px;
  border-radius: 2px;
  z-index: 2; /* Ensure label stays on top */
}

/* Main content area */
.app-content {
  flex: 1;
}

.mobile-content-wrapper {
  display: flex;
  flex-direction: column;
}

/* Card subtitle */
.card-subtitle {
  margin-top: 0.5rem;
  margin-bottom: 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 400;
}

/* Features section */
.features-section {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

.feature-card {
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  padding: var(--space-lg);
  box-shadow: 0 2px 8px var(--shadow-color);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px var(--shadow-color);
}

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

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: rgba(100, 57, 255, 0.1);
  color: var(--color-primary);
}

.feature-icon svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 0;
  line-height: 1.6;
}

@media (max-width: 767px) {
  .features-section {
    grid-template-columns: 1fr;
  }
}

/* Footer */
.app-footer {
  margin-top: auto;
  padding-top: var(--space-lg);
  padding-bottom: var(--space-md);
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-md);
}

.footer-attribution {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Toast notifications */
#toast-container {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.toast {
  background-color: var(--card-bg);
  color: var(--text-color);
  border-radius: var(--border-radius);
  padding: var(--space-md) var(--space-lg);
  box-shadow: 0 4px 12px var(--shadow-color);
  animation: toast-in 0.3s ease forwards;
  max-width: 300px;
}

.toast.hiding {
  animation: toast-out 0.3s ease forwards;
}

@keyframes toast-in {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes toast-out {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}

/* Responsive styles */
@media (max-width: 767px) {
  .app-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }
  
  .header-actions {
    width: 100%;
    justify-content: space-between;
  }
  
  .card-body {
    padding: var(--space-md);
  }
  
  .form-actions {
    flex-direction: column;
    gap: var(--space-sm);
  }
  
  .form-actions .btn {
    width: 100%;
  }
  
  .footer-links {
    flex-direction: column;
    gap: var(--space-sm);
  }
  
  .ttl-options {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xs);
  }
  
  .ttl-option label {
    padding: var(--space-xs);
  }
  
  .ttl-option-time {
    font-size: 0.9rem;
  }
  
  .ttl-option-label {
    font-size: 0.65rem;
  }
  
  /* More compact form groups on mobile */
  .form-group {
    margin-bottom: var(--space-md);
  }
  
  textarea.form-control {
    min-height: 100px;
  }
}

@media (max-width: 480px) {
  body {
    padding: var(--space-sm);
  }
  
  .card-header, .card-body {
    padding: var(--space-md);
  }
  
  .alert {
    padding: var(--space-md);
  }
  
  .features-section {
    gap: var(--space-md);
  }
  
  .ttl-options {
    grid-template-columns: repeat(3, 1fr);
  }
  
  /* Move the ad banner positioning for mobile */
  .card + .ad-container {
    order: 3;
    margin-top: var(--space-md);
  }
  
  /* Make the feature cards more prominent */
  .features-section {
    order: 2;
  }
  
  /* Enhanced mobile ad styles */
  .ad-container {
    margin: var(--space-sm) 0;
  }
  
  .ad-banner {
    padding: var(--space-xs);
    min-height: 50px;
    max-height: 60px;
  }
  
  .adsense-container {
    max-height: 60px;
  }
  
  .adsbygoogle {
    height: 50px !important;
    max-height: 50px !important;
  }
}
/* Compact header with icon-based navigation */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.25rem;
  padding-bottom: 1.25rem;
}

.logo-container {
  display: flex;
  flex-direction: column;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--text-color);
}

.logo-img {
  width: 2rem;
  height: 2rem;
  margin-right: 0.75rem;
}

.logo-text {
  font-family: var(--font-headings);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--text-color);
}

.card-subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
  margin-bottom: 1rem;
}

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

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background-color: var(--bg-secondary);
  border: 1px solid transparent;
  color: var(--text-color);
  transition: all 0.2s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn-icon:hover {
  background-color: var(--border-color);
  transform: translateY(-2px);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

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

.btn-icon svg {
  width: 1.25rem;
  height: 1.25rem;
  fill: currentColor;
  transition: transform 0.2s ease;
}

.btn-icon:hover svg {
  transform: scale(1.1);
}

/* Theme toggle specific styles */
.theme-toggle {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.theme-light .theme-toggle {
  background-color: var(--bg-color);
  color: var(--text-color);
}

.theme-dark .theme-toggle {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-accent);
  box-shadow: 0 0 8px rgba(0, 204, 221, 0.5);
}

/* Use simple display property for toggling icons - like hidden mode */
.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  width: 24px;
  height: 24px;
  fill: currentColor;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.theme-light .icon-sun {
  display: inline-block;
}

.theme-light .icon-moon {
  display: none;
}

.theme-dark .icon-sun {
  display: none;
}

.theme-dark .icon-moon {
  display: inline-block;
}

.theme-toggle::after {
  content: '';
  position: absolute;
  bottom: 2px;
  right: 2px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-accent);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.theme-dark .theme-toggle::after {
  opacity: 1;
}

/* Password protection collapsible field */
.password-protection-group {
  background-color: var(--bg-secondary);
  border-radius: 8px;
  padding: 1rem;
  transition: all 0.3s ease;
}

.toggle-label {
  display: flex;
  align-items: center;
  cursor: pointer;
}

.toggle-text {
  flex-grow: 1;
  font-weight: 500;
  margin: 0 0.75rem;
}

.password-field-container {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  opacity: 0;
}

.password-field-container.visible {
  max-height: 7rem;
  margin-top: 1rem;
  opacity: 1;
}

.password-field {
  position: relative;
}

.password-toggle {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
}

.password-toggle svg {
  width: 1.25rem;
  height: 1.25rem;
  fill: var(--text-secondary);
}

.password-hint {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

.hidden {
  display: none;
}

/* Toast notifications */
#toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 1000;
}

.toast {
  background-color: var(--bg-color);
  color: var(--text-color);
  border-left: 4px solid var(--color-primary);
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  margin-top: 0.75rem;
  opacity: 0;
  transform: translateY(1rem);
  transition: all 0.3s ease;
  max-width: 25rem;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.toast-error {
  border-left-color: var(--danger-color);
}

/* Mobile optimizations */
@media (max-width: 768px) {
  .app-header {
    padding: 1rem 0;
  }
  
  .logo-img {
    width: 1.75rem;
    height: 1.75rem;
  }
  
  .logo-text {
    font-size: 1.25rem;
  }
  
  .btn-icon {
    width: 2.25rem;
    height: 2.25rem;
  }
  
  .ttl-options {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .card-title {
    font-size: 1.5rem;
  }
  
  .card-subtitle {
    font-size: 0.8125rem;
  }
  
  .ad-container {
    margin: 1.5rem 0;
  }
}

/* Smaller mobile screens - improved header layout */
@media (max-width: 480px) {
  .app-header {
    padding: 0.75rem 0;
    flex-direction: row;
    align-items: center;
    gap: 0.25rem;
    justify-content: space-between;
    max-width: 100%;
    overflow-x: hidden;
  }
  
  .container {
    overflow-x: hidden;
  }
  
  .header-actions {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    justify-content: flex-end;
    flex-shrink: 0;
    margin-left: auto;
    max-width: 50%;
  }
  
  .logo-container {
    flex-shrink: 0;
    max-width: 50%;
  }
  
  .logo {
    display: flex;
    align-items: center;
  }
  
  .logo-img {
    width: 1.5rem;
    height: 1.5rem;
    margin-right: 0.25rem;
  }
  
  .logo-text {
    font-size: 1.125rem;
  }
  
  .btn-icon {
    width: 1.75rem;
    height: 1.75rem;
    min-width: 1.75rem;
    min-height: 1.75rem;
    flex: 0 0 auto;
    border-radius: 50%;
    aspect-ratio: 1/1;
    padding: 0;
  }
}

@media (max-width: 480px) {
  .ttl-options {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }
  
  .feature-card {
    padding: 1rem;
  }
  
  .toast {
    max-width: calc(100vw - 3rem);
    margin-bottom: 0.5rem;
  }
  
  #toast-container {
    bottom: 1rem;
    right: 1rem;
  }
}

/* Hidden mode styles */

.tooltip {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 8px;
  padding: 8px 12px;
  background-color: var(--bg-color);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  width: 220px;
  font-size: 0.875rem;
}

.tooltip.visible {
  opacity: 1;
  transform: translateY(0);
}

.tooltip p {
  margin: 0;
}

/* Hidden mode toggle icon visibility - consistent with theme toggle */
.hidden-mode-toggle .icon-hidden,
.hidden-mode-toggle .icon-incognito {
  width: 24px;
  height: 24px;
  fill: currentColor;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.hidden-mode-toggle .icon-hidden {
  display: inline-block;
}

.hidden-mode-toggle .icon-incognito {
  display: none;
}

.hidden-mode-toggle.active .icon-hidden {
  display: none;
}

.hidden-mode-toggle.active .icon-incognito {
  display: inline-block;
}

/* Position the tooltip in the header */
.header-actions {
  position: relative;
}

#hidden-mode-tooltip {
  right: 60px;
}

.hidden-mode-toggle {
  position: relative;
}

/* Tooltip positioning */

/* Modal styles */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1050;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal.show {
  opacity: 1;
  visibility: visible;
}

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: -1;
}

.modal-content {
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: 0 4px 20px var(--shadow-color);
  width: 90%;
  max-width: 600px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 1051;
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.modal.show .modal-content {
  transform: scale(1);
}

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

.modal-title {
  margin: 0;
  font-size: 1.5rem;
  color: var(--text-color);
}

.modal-close {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--text-secondary);
  cursor: pointer;
  padding: var(--space-xs);
  margin: -var(--space-xs);
}

.modal-close:hover, .modal-close:focus {
  color: var(--text-color);
}

.modal-body {
  padding: var(--space-lg);
  overflow-y: auto;
  overflow-x: hidden;
  flex: 1;
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) transparent;
}

.modal-body::-webkit-scrollbar {
  width: 8px;
}

.modal-body::-webkit-scrollbar-track {
  background: transparent;
}

.modal-body::-webkit-scrollbar-thumb {
  background-color: var(--border-color);
  border-radius: 4px;
}

.modal-footer {
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
}

body.modal-open {
  overflow: hidden;
}

/* Hidden mode tooltip */
.hidden-mode-tooltip {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  border: 2px solid var(--color-primary);
  box-shadow: 0 4px 12px var(--shadow-color), 0 0 0 2px rgba(100, 57, 255, 0.2);
  padding: var(--space-md);
  z-index: 1000;
  max-width: 300px;
  visibility: hidden;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease, box-shadow 0.3s ease;
}

.hidden-mode-tooltip.visible {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 4px 12px var(--shadow-color), 0 0 0 2px rgba(100, 57, 255, 0.2);
  }
  50% {
    box-shadow: 0 4px 15px var(--shadow-color), 0 0 0 4px rgba(100, 57, 255, 0.4);
  }
  100% {
    box-shadow: 0 4px 12px var(--shadow-color), 0 0 0 2px rgba(100, 57, 255, 0.2);
  }
}

.tooltip-title {
  font-weight: 600;
  margin-bottom: var(--space-xs);
  display: flex;
  align-items: center;
  color: var(--color-primary);
  font-size: 1.1rem;
}

.hidden-mode-toggle {
  position: relative;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
}

.hidden-mode-toggle:hover {
  transform: scale(1.1);
}

.hidden-mode-toggle.active {
  background-color: var(--color-primary);
  color: white;
  border: 2px solid var(--color-accent);
  transform: scale(1.05);
  box-shadow: 0 0 8px rgba(0, 204, 221, 0.5);
}

.hidden-mode-toggle.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  right: 2px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-accent);
  box-shadow: 0 0 4px 1px var(--color-accent);
}

.footer-hidden-toggle {
  transition: color 0.2s ease;
}

.footer-hidden-toggle.active {
  color: var(--color-primary);
  font-weight: 600;
}

/* Steps in modal */
.step {
  display: flex;
  margin-bottom: var(--space-lg);
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background-color: var(--color-primary);
  color: white;
  border-radius: 50%;
  font-weight: 600;
  margin-right: var(--space-md);
  flex-shrink: 0;
}

.step-content {
  flex-grow: 1;
}

.step-content h4 {
  margin-bottom: var(--space-xs);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.feature-item {
  display: flex;
  align-items: flex-start;
}

.feature-item .feature-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-secondary);
  border-radius: 50%;
  margin-right: var(--space-md);
  flex-shrink: 0;
}

.feature-item .feature-icon svg {
  width: 24px;
  height: 24px;
  fill: var(--color-primary);
}

.message-container.revealed .message-overlay {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Ensure toast notifications show/hide correctly */
.toast {
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* Fix tooltip visibility for proper JS interaction */
#hidden-mode-tooltip.visible {
  opacity: 1;
  visibility: visible;
}

/* Ensure state transitions work for hidden mode toggle */
.hidden-mode-toggle.active {
  background-color: var(--color-primary);
  color: white;
}

.footer-hidden-toggle.active {
  color: var(--color-primary);
  font-weight: 600;
}