:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: rgba(30, 30, 45, 0.6);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --text-primary: #ffffff;
  --text-secondary: #a0a0b0;
  --text-muted: #6b6b80;
  --accent: #6366f1;
  --accent-light: #818cf8;
  --accent-glow: rgba(99, 102, 241, 0.3);
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.15);
  --gradient-1: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
  --gradient-2: linear-gradient(135deg, #0ea5e9 0%, #6366f1 100%);
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.15);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Background Animation */
.bg-pattern {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
}

.bg-pattern::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(14, 165, 233, 0.08) 0%, transparent 50%);
  animation: bgFloat 20s ease-in-out infinite;
}

@keyframes bgFloat {

  0%,
  100% {
    transform: translate(0, 0) rotate(0deg);
  }

  33% {
    transform: translate(30px, -30px) rotate(5deg);
  }

  66% {
    transform: translate(-20px, 20px) rotate(-5deg);
  }
}

/* Container */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
header {
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.8);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-icon {
  width: 44px;
  height: 44px;
  background: var(--gradient-1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: var(--shadow-glow);
}

.logo-img {
  height: 44px;
  width: auto;
  object-fit: contain;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-sub {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
  gap: 12px;
  align-items: center;
}

.nav-link {
  padding: 10px 20px;
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  transition: var(--transition);
  font-size: 0.9rem;
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-glass);
}

.nav-link.primary {
  background: var(--gradient-1);
  color: white;
}

.nav-link.primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

/* Main Content */
main {
  padding: 60px 0;
  min-height: calc(100vh - 200px);
}

/* Hero Section */
.hero {
  text-align: center;
  margin-bottom: 50px;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 16px;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Paste Box */
.paste-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-glow);
}

.paste-textarea {
  width: 100%;
  min-height: 300px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  color: var(--text-primary);
  font-family: 'Fira Code', 'Monaco', monospace;
  font-size: 14px;
  line-height: 1.7;
  resize: vertical;
  transition: var(--transition);
}

.paste-textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.paste-textarea::placeholder {
  color: var(--text-muted);
}

/* Options Bar */
.options-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.option-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.option-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.option-select {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  color: var(--text-primary);
  font-size: 0.9rem;
  cursor: pointer;
  min-width: 160px;
  transition: var(--transition);
}

.option-select:focus {
  outline: none;
  border-color: var(--accent);
}

.option-select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

/* Toggle Switch */
.toggle-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.toggle {
  position: relative;
  width: 52px;
  height: 28px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 14px;
  cursor: pointer;
  transition: var(--transition);
}

.toggle::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: var(--transition);
}

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

.toggle.active::after {
  left: 27px;
  background: white;
}

/* Buttons */
.btn {
  padding: 14px 32px;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn-primary {
  background: var(--gradient-1);
  color: white;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

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

.btn-secondary {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

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

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

.btn-full {
  width: 100%;
  justify-content: center;
}

/* Result Box */
.result-box {
  display: none;
  margin-top: 24px;
  padding: 24px;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(99, 102, 241, 0.1) 100%);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius);
  animation: fadeIn 0.3s ease;
}

.result-box.show {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.result-url {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-secondary);
  padding: 16px;
  border-radius: var(--radius);
  margin-bottom: 16px;
}

.result-url input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--accent-light);
  font-size: 1.1rem;
  font-weight: 500;
}

.result-url input:focus {
  outline: none;
}

.copy-btn {
  padding: 10px 20px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition);
}

.copy-btn:hover {
  background: var(--accent-light);
}

.copy-btn.copied {
  background: var(--success);
}

.result-meta {
  display: flex;
  gap: 20px;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.result-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Auth Forms */
.auth-card {
  max-width: 450px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(20px);
}

.auth-card h2 {
  text-align: center;
  margin-bottom: 30px;
  font-size: 1.8rem;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.form-group input {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.auth-switch {
  text-align: center;
  margin-top: 24px;
  color: var(--text-muted);
}

.auth-switch a {
  color: var(--accent-light);
  text-decoration: none;
}

.auth-switch a:hover {
  text-decoration: underline;
}

/* Dashboard */
.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}

.dashboard-header h1 {
  font-size: 2rem;
}

.paste-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.paste-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.paste-item:hover {
  border-color: var(--border-hover);
  transform: translateX(4px);
}

.paste-info {
  flex: 1;
}

.paste-info h3 {
  font-size: 1rem;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.paste-info h3 a {
  color: var(--accent-light);
  text-decoration: none;
}

.paste-info h3 a:hover {
  text-decoration: underline;
}

.paste-preview {
  color: var(--text-muted);
  font-size: 0.85rem;
  font-family: monospace;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 400px;
}

.paste-meta {
  display: flex;
  gap: 16px;
  margin-top: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.badge {
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
}

.badge-code {
  background: rgba(99, 102, 241, 0.2);
  color: var(--accent-light);
}

.badge-text {
  background: rgba(16, 185, 129, 0.2);
  color: var(--success);
}

.badge-expired {
  background: rgba(239, 68, 68, 0.2);
  color: var(--error);
}

.paste-actions {
  display: flex;
  gap: 10px;
}

.action-btn {
  padding: 8px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.85rem;
  transition: var(--transition);
}

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

.action-btn.delete:hover {
  border-color: var(--error);
  color: var(--error);
}

/* View Page */
.view-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.view-header {
  padding: 20px 24px;
  background: var(--bg-secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
}

.view-header h2 {
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  gap: 12px;
}

.view-content {
  padding: 24px;
  max-height: 600px;
  overflow: auto;
}

.view-content pre {
  margin: 0;
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: 'Fira Code', monospace;
  font-size: 14px;
  line-height: 1.7;
}

.view-content.text-content {
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  line-height: 1.8;
}

.view-meta {
  padding: 16px 24px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  display: flex;
  gap: 24px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Expired Message */
.expired-message {
  text-align: center;
  padding: 80px 20px;
}

.expired-message .icon {
  font-size: 80px;
  margin-bottom: 24px;
  opacity: 0.5;
}

.expired-message h2 {
  font-size: 2rem;
  margin-bottom: 16px;
  color: var(--error);
}

.expired-message p {
  color: var(--text-secondary);
  margin-bottom: 30px;
}

/* Loading */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Toast */
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  padding: 16px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-weight: 500;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  transform: translateY(100px);
  opacity: 0;
  transition: var(--transition);
  z-index: 1000;
}

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

.toast.success {
  border-color: var(--success);
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.2) 0%, var(--bg-card) 100%);
}

.toast.error {
  border-color: var(--error);
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.2) 0%, var(--bg-card) 100%);
}

/* Footer */
footer {
  padding: 30px 0;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-muted);
}

footer a {
  color: var(--accent-light);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

/* Mobile */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .paste-card {
    padding: 20px;
  }

  .options-bar {
    flex-direction: column;
  }

  .option-select {
    width: 100%;
  }

  .header-content {
    flex-direction: column;
    gap: 16px;
  }

  .nav-links {
    width: 100%;
    justify-content: center;
  }

  .paste-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .paste-actions {
    width: 100%;
  }

  .action-btn {
    flex: 1;
    text-align: center;
  }
}

/* Syntax Highlighting Theme (One Dark) */
.hljs {
  background: transparent !important;
  padding: 0 !important;
}

.hljs-keyword,
.hljs-selector-tag,
.hljs-title,
.hljs-section,
.hljs-doctag,
.hljs-name,
.hljs-strong {
  color: #c678dd;
}

.hljs-string,
.hljs-title.function_,
.hljs-regexp,
.hljs-symbol,
.hljs-bullet,
.hljs-addition {
  color: #98c379;
}

.hljs-literal,
.hljs-number,
.hljs-meta .hljs-meta-string,
.hljs-link {
  color: #d19a66;
}

.hljs-comment,
.hljs-quote {
  color: #5c6370;
  font-style: italic;
}

.hljs-attr,
.hljs-params,
.hljs-template-tag,
.hljs-type,
.hljs-builtin-name {
  color: #e5c07b;
}

.hljs-attribute,
.hljs-subst,
.hljs-variable,
.hljs-template-variable {
  color: #e06c75;
}

.hljs-deletion {
  color: #e06c75;
}

.hljs-selector-id,
.hljs-selector-class {
  color: #61afef;
}