/* Modern design system with focus on readability and elegance */
:root {
  /* Core color palette */
  --primary-color: #4361ee;
  --primary-dark: #3a56c5;
  --primary-light: #738bff;
  --secondary-color: #4f546c;
  --success-color: #2dc653;
  --warning-color: #f7b731;
  --danger-color: #e5383b;
  --light-color: #f9fafc;
  --dark-color: #2d3748;
  --accent-color: #FF7B9C;
  
  /* Background gradients */
  --bg-gradient: linear-gradient(135deg, #f8f9fa 0%, #e2e8f0 100%);
  --card-gradient: linear-gradient(to bottom, #ffffff, #f8f9fa);
  --header-gradient: linear-gradient(120deg, var(--primary-color), #3a0ca3);
  
  /* Spacing system */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', SFMono-Regular, Consolas, 'Liberation Mono', Menlo, monospace;
  
  /* Effects */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 15px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
  --shadow-outline: 0 0 0 3px rgba(66, 153, 225, 0.5);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
}

/* Reset and base styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  line-height: 1.6;
  color: var(--dark-color);
  background: var(--bg-gradient);
  min-height: 100vh;
  padding: var(--space-md);
}

/* Container */
.container {
  max-width: 700px;
  margin: var(--space-xl) auto;
  padding: var(--space-xl);
  background: var(--card-gradient);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.container:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 30px -10px rgba(0, 0, 0, 0.1), 0 15px 15px -10px rgba(0, 0, 0, 0.04);
}

.container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: var(--header-gradient);
}

/* Typography */
h1 {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: var(--space-lg);
  line-height: 1.2;
  text-align: center;
  background: var(--header-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
  transform: translateZ(0); /* Fix for webkit gradient text rendering */
  position: relative;
}

h1::after {
  content: "";
  display: block;
  width: 80px;
  height: 4px;
  background: var(--accent-color);
  margin: 0.5rem auto;
  border-radius: 2px;
}

h3 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--secondary-color);
}

p {
  margin-bottom: var(--space-lg);
  color: var(--secondary-color);
  font-size: 1.05rem;
}

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

label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 600;
  color: var(--secondary-color);
}

input[type="text"],
input[type="email"],
textarea {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: inherit;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  background-color: var(--light-color);
  position: relative;
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.15);
  background-color: white;
}

input[type="text"]:hover,
input[type="email"]:hover,
textarea:hover {
  border-color: rgba(67, 97, 238, 0.3);
}

/* Add floating labels */
.form-group {
  position: relative;
  margin-bottom: var(--space-xl);
}

label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 600;
  color: var(--secondary-color);
  transition: all 0.2s ease;
  background-color: transparent;
  z-index: 1;
  font-size: 0.95rem;
}

textarea:focus + small,
input:focus + small {
  color: var(--primary-color);
}

textarea {
  resize: vertical;
  min-height: 150px;
}

small {
  display: block;
  margin-top: var(--space-xs);
  color: var(--secondary-color);
  font-size: 0.875rem;
}

/* Button styles */
.button {
  display: inline-block;
  padding: 0.85rem 1.8rem;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-md), 0 0 0 0 rgba(66, 153, 225, 0.5);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.2) 50%,
    rgba(255, 255, 255, 0) 100%
  );
  transition: left 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.button:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.button:hover::before {
  left: 100%;
}

.button:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.button.secondary {
  background-color: #e2e8f0;
  color: var(--secondary-color);
  box-shadow: var(--shadow-sm);
}

.button.secondary:hover {
  background-color: #d1dae6;
}

/* Action buttons container */
.actions {
  margin-top: var(--space-xl);
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* Secret link display */
.secret-link {
  display: flex;
  margin: var(--space-lg) 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(0, 0, 0, 0.05);
  position: relative;
}

.secret-link input {
  flex-grow: 1;
  padding: var(--space-md) var(--space-lg);
  border: none;
  border-radius: 0;
  font-size: 1rem;
  font-family: var(--font-mono);
  background-color: var(--light-color);
  color: var(--primary-dark);
  transition: all var(--transition-normal);
}

.secret-link input:focus {
  outline: none;
  background-color: white;
}

.copy-button {
  padding: 0 var(--space-lg);
  background-color: var(--primary-color);
  color: white;
  border: none;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 100px;
}

.copy-button:hover {
  background-color: var(--primary-dark);
}

.copy-button::after {
  content: '';
  display: inline-block;
  width: 16px;
  height: 16px;
  margin-left: 8px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='white'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M8 7v8a2 2 0 002 2h6M8 7V5a2 2 0 012-2h4.586a1 1 0 01.707.293l4.414 4.414a1 1 0 01.293.707V15a2 2 0 01-2 2h-2M8 7H6a2 2 0 00-2 2v10a2 2 0 002 2h8a2 2 0 002-2v-2'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  transition: transform 0.2s ease;
}

.copy-button:hover::after {
  transform: scale(1.2);
}

/* Secret content display */
.secret-content {
  margin: var(--space-lg) 0;
}

.content-box {
  background-color: var(--light-color);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-inner);
  overflow-x: auto;
  border: 1px solid rgba(0, 0, 0, 0.05);
  position: relative;
}

.content-box pre {
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: inherit;
  color: #2d3748;
  line-height: 1.6;
  padding: var(--space-md);
  background: white;
  border-radius: var(--radius-sm);
}

/* Warning and error boxes */
.warning, .error-message {
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin: var(--space-lg) 0;
  position: relative;
  padding-left: calc(var(--space-lg) + 32px);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: transform 0.2s ease;
}

.warning:hover, .error-message:hover {
  transform: translateY(-2px);
}

.warning {
  background-color: rgba(247, 183, 49, 0.08);
  border-left: 4px solid var(--warning-color);
  color: #744210;
}

.error-message {
  background-color: rgba(235, 59, 90, 0.08);
  border-left: 4px solid var(--danger-color);
  color: #742a2a;
}

.warning strong, .error-message strong {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 600;
}

.warning::before, .error-message::before {
  content: '';
  width: 24px;
  height: 24px;
  position: absolute;
  left: var(--space-md);
  top: var(--space-md);
  background-repeat: no-repeat;
  background-position: center;
}

.warning::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23f7b731'%3E%3Cpath d='M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm1 15h-2v-2h2v2zm0-4h-2V7h2v6z'/%3E%3C/svg%3E");
}

.error-message::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23eb3b5a'%3E%3Cpath d='M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm1 15h-2v-2h2v2zm0-4h-2V7h2v6z'/%3E%3C/svg%3E");
}

/* Secret count display */
.secret-count {
  text-align: center;
  font-size: 0.85rem;
  color: var(--secondary-color);
  opacity: 0.5;
  margin-top: 1.5rem;
  font-style: italic;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  padding: 0.75rem;
  position: relative;
  transition: opacity 0.3s ease;
}

.secret-count::before,
.secret-count::after {
  content: "";
  display: inline-block;
  width: 40px;
  height: 1px;
  background-color: var(--secondary-color);
  opacity: 0.3;
  vertical-align: middle;
  margin: 0 8px;
}

.secret-count:hover {
  opacity: 0.8;
}

/* Responsive adjustments */
@media (max-width: 640px) {
  body {
    padding: var(--space-sm);
  }
  
  .container {
    padding: var(--space-lg);
    margin: var(--space-md) auto;
  }
  
  h1 {
    font-size: 1.8rem;
  }
  
  .hero-icon {
    width: 80px;
    height: 80px;
  }
  
  .hero-icon svg {
    width: 40px;
    height: 40px;
  }
  
  .hero-text {
    font-size: 1rem;
  }
  
  .secret-link {
    flex-direction: column;
  }
  
  .secret-link input {
    border-radius: var(--radius-md) var(--radius-md) 0 0;
  }
  
  .copy-button {
    padding: var(--space-sm);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
  }
  
  .actions {
    flex-direction: column;
  }
  
  .button {
    width: 100%;
    margin-bottom: var(--space-sm);
  }
}
/* Success icon */
.success-icon {
	width: 80px;
	height: 80px;
	margin: 0 auto var(--space-lg);
	background-color: rgba(45, 198, 83, 0.1);
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--success-color);
	animation: pulse 2s ease-in-out infinite;
}

.success-icon svg {
	width: 40px;
	height: 40px;
}

@keyframes pulse {
	0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(45, 198, 83, 0.4); }
	70% { transform: scale(1.05); box-shadow: 0 0 0 10px rgba(45, 198, 83, 0); }
	100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(45, 198, 83, 0); }
}
/* Form icon */
.form-icon {
	width: 70px;
	height: 70px;
	margin: 0 auto var(--space-lg);
	background-color: rgba(67, 97, 238, 0.1);
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--primary-color);
}

.form-icon svg {
	width: 35px;
	height: 35px;
}
/* Hero elements */
.hero-icon {
	width: 100px;
	height: 100px;
	margin: 0 auto var(--space-lg);
	background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	color: white;
	box-shadow: 0 10px 20px rgba(67, 97, 238, 0.3);
}

.hero-icon svg {
	width: 50px;
	height: 50px;
}

.hero-text {
	font-size: 1.15rem;
	text-align: center;
	max-width: 500px;
	margin: 0 auto var(--space-xl);
	color: var(--secondary-color);
}

/* Features section */
.features {
	display: flex;
	gap: var(--space-lg);
	margin: var(--space-xl) 0;
	flex-wrap: wrap;
}

.feature {
	flex: 1;
	min-width: 180px;
	background: white;
	padding: var(--space-lg);
	border-radius: var(--radius-md);
	box-shadow: var(--shadow-sm);
	text-align: center;
	border: 1px solid rgba(0, 0, 0, 0.05);
	transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature:hover {
	transform: translateY(-5px);
	box-shadow: var(--shadow-md);
}

.feature-icon {
	font-size: 2rem;
	margin-bottom: var(--space-sm);
}

.feature h3 {
	font-size: 1.1rem;
	margin-bottom: var(--space-sm);
	color: var(--primary-dark);
}

.feature p {
	font-size: 0.9rem;
	margin-bottom: 0;
	color: var(--secondary-color);
}

/* Media queries for features */
@media (max-width: 640px) {
	.features {
		flex-direction: column;
	}
	
	.feature {
		width: 100%;
	}
}