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

:root {
  --primary-dark: #0f0a1a;
  --primary-light: #1a1428;
  --accent-purple: #7c3aed;
  --accent-teal: #14b8a6;
  --accent-warm: #f59e0b;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --border-color: rgba(124, 58, 237, 0.2);
  --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 20px 25px rgba(0, 0, 0, 0.5);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", sans-serif;
  background: var(--primary-dark);
  color: var(--text-primary);
  overflow-x: hidden;
  position: relative;
}

.background-gradient {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #0f0a1a 0%, #1a0f2e 25%, #0f1a2e 50%, #1a0f2e 75%, #0f0a1a 100%);
  pointer-events: none;
  z-index: -1;
}

.background-gradient::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 8s ease-in-out infinite;
}

.background-gradient::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(20, 184, 166, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(30px);
  }
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px;
  position: relative;
  z-index: 1;
}

.header {
  text-align: center;
  margin-bottom: 60px;
  animation: slideDown 0.6s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.header-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 8px;
}

.logo-icon {
  font-size: 40px;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 400;
  letter-spacing: 0.5px;
}

.main-content {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.input-section {
  animation: slideUp 0.6s ease-out 0.1s both;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.input-wrapper {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.input-field {
  flex: 1;
  min-width: 250px;
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-primary);
  font-size: 1rem;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.input-field::placeholder {
  color: rgba(203, 213, 225, 0.5);
}

.input-field:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--accent-purple);
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.2);
}

.btn-generate {
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-teal));
  border: none;
  border-radius: 12px;
  color: white;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}

.btn-generate:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(124, 58, 237, 0.3);
}

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

.btn-text {
  font-weight: 600;
}

.btn-icon {
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}

.btn-generate:hover .btn-icon {
  transform: translateX(4px);
}

.input-hint {
  font-size: 0.85rem;
  color: var(--text-secondary);
  opacity: 0.7;
  margin-top: 8px;
}

.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 60px 20px;
  animation: slideUp 0.4s ease-out;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 3px solid rgba(124, 58, 237, 0.2);
  border-top-color: var(--accent-purple);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.loading-text {
  font-size: 1.1rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.result-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 32px;
  backdrop-filter: blur(10px);
  animation: slideUp 0.4s ease-out;
  box-shadow: var(--shadow-lg);
}

.result-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

.result-header h2 {
  font-size: 1.5rem;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.btn-close {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 36px;
  height: 36px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1.2rem;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-close:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--accent-purple);
}

.result-content {
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 1rem;
}

/* Markdown styling */
.result-content h1,
.result-content h2,
.result-content h3,
.result-content h4,
.result-content h5,
.result-content h6 {
  color: var(--text-primary);
  margin-top: 24px;
  margin-bottom: 12px;
  font-weight: 700;
}

.result-content h1 {
  font-size: 1.8rem;
}
.result-content h2 {
  font-size: 1.5rem;
}
.result-content h3 {
  font-size: 1.3rem;
}

.result-content p {
  margin-bottom: 16px;
}

.result-content ul,
.result-content ol {
  margin-left: 24px;
  margin-bottom: 16px;
}

.result-content li {
  margin-bottom: 8px;
}

.result-content strong {
  color: var(--accent-warm);
  font-weight: 700;
}

.result-content em {
  color: var(--accent-teal);
  font-style: italic;
}

.result-content code {
  background: rgba(124, 58, 237, 0.1);
  color: var(--accent-warm);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: "Monaco", "Courier New", monospace;
  font-size: 0.9em;
}

.result-content pre {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  overflow-x: auto;
  margin-bottom: 16px;
}

.result-content pre code {
  background: none;
  color: var(--accent-teal);
  padding: 0;
}

.result-content blockquote {
  border-left: 4px solid var(--accent-purple);
  padding-left: 16px;
  margin-left: 0;
  margin-bottom: 16px;
  color: var(--text-secondary);
  font-style: italic;
}

.result-content a {
  color: var(--accent-teal);
  text-decoration: none;
  transition: all 0.3s ease;
  border-bottom: 1px solid transparent;
}

.result-content a:hover {
  border-bottom-color: var(--accent-teal);
}

.hidden {
  display: none !important;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 24px 16px;
  }

  h1 {
    font-size: 2rem;
  }

  .input-wrapper {
    flex-direction: column;
  }

  .input-field,
  .btn-generate {
    width: 100%;
  }

  .result-box {
    padding: 20px;
  }

  .result-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .btn-close {
    align-self: flex-end;
  }

  .background-gradient::before {
    width: 400px;
    height: 400px;
    right: -50%;
  }

  .background-gradient::after {
    width: 350px;
    height: 350px;
    left: -30%;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.5rem;
  }

  .subtitle {
    font-size: 0.9rem;
  }

  .input-field {
    min-width: 100%;
  }

  .result-content {
    font-size: 0.95rem;
  }
}