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

:root {
  --primary-red: #dc2626;
  --secondary-red: #b91c1c;
  --light-red: #fecaca;
  --dark-red: #991b1b;
  --bg-primary: #fafafa;
  --bg-secondary: #ffffff;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --border-color: #e5e7eb;
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --gradient-red: linear-gradient(135deg, #dc2626, #b91c1c);
  --transition: all 0.3s ease;
}

body {
  font-family: "Cairo", sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header {
  background: var(--gradient-red);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

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

.logo h1 {
  color: white;
  font-size: 1.5rem;
  font-weight: 700;
}

.version {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  padding: 0.25rem 0.5rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.nav {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  color: white;
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link:hover {
  color: var(--light-red);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: white;
  transition: var(--transition);
}

.nav-link:hover::after {
  width: 100%;
}

.test-btn {
  background: rgba(255, 255, 255, 0.2);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.test-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  gap: 4px;
}

.mobile-menu-btn span {
  width: 25px;
  height: 3px;
  background: white;
  border-radius: 2px;
  transition: var(--transition);
}

/* Mobile Navigation */
.mobile-nav {
  position: fixed;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100vh;
  background: var(--gradient-red);
  z-index: 999;
  transition: var(--transition);
}

.mobile-nav.active {
  left: 0;
}

.mobile-nav-content {
  padding: 6rem 2rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.mobile-nav-link {
  color: white;
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 600;
  padding: 1rem;
  border-radius: 8px;
  transition: var(--transition);
}

.mobile-nav-link:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Hero Section */
.hero {
  background: var(--gradient-red);
  padding: 8rem 0 4rem;
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.1) 1px,
    transparent 1px
  );
  background-size: 20px 20px;
  animation: float 20s infinite linear;
}

@keyframes float {
  0% {
    transform: translate(0, 0) rotate(0deg);
  }
  100% {
    transform: translate(-50px, -50px) rotate(360deg);
  }
}

.hero-content {
  position: relative;
  z-index: 2;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.2);
  padding: 0.5rem 1rem;
  border-radius: 25px;
  font-size: 0.875rem;
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
}

.status-dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero-description {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  padding: 0.875rem 2rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

/* Main Content */
.main {
  padding: 4rem 0;
}

.content-grid {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 3rem;
}

/* Sidebar */
.sidebar {
  position: sticky;
  top: 120px;
  height: fit-content;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  background: var(--bg-secondary);
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.sidebar-link {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  transition: var(--transition);
  font-weight: 500;
}

.sidebar-link:hover,
.sidebar-link.active {
  background: var(--light-red);
  color: var(--primary-red);
}

/* Content */
.content {
  background: var(--bg-secondary);
  border-radius: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.content-section {
  padding: 2rem;
  border-bottom: 1px solid var(--border-color);
}

.content-section:last-child {
  border-bottom: none;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-red);
  margin-bottom: 1rem;
}

.section-description {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

/* Info Cards */
.info-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.info-card {
  background: var(--bg-primary);
  padding: 1.5rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  text-align: center;
}

.info-card h3 {
  font-size: 0.875rem;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.info-card p {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-red);
}

/* API Endpoint */
.api-endpoint {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
}

.api-endpoint h3 {
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.endpoint-url {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--bg-secondary);
  padding: 1rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.endpoint-url code {
  flex: 1;
  background: none;
  padding: 0;
  font-size: 1rem;
  color: var(--primary-red);
  font-weight: 600;
}

/* Endpoint */
.endpoint {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  margin: 2rem 0;
}

.endpoint-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.method {
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.875rem;
}

.method.get {
  background: #22c55e;
  color: white;
}

.method.post {
  background: #3b82f6;
  color: white;
}

/* Tabs */
.tabs {
  display: flex;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.tab-btn {
  padding: 1rem 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
  border-bottom: 3px solid transparent;
}

.tab-btn.active {
  color: var(--primary-red);
  border-bottom-color: var(--primary-red);
}

.tab-content {
  display: none;
  padding: 1.5rem;
}

.tab-content.active {
  display: block;
}

/* Copy Button */
.copy-btn {
  background: var(--primary-red);
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
  font-size: 0.875rem;
}

.copy-btn:hover {
  background: var(--secondary-red);
  transform: translateY(-1px);
}

/* Code */
pre {
  background: #1a1a1a !important;
  border-radius: 8px;
  overflow-x: auto;
  position: relative;
}

code {
  font-family: "Fira Code", monospace;
}

/* Note */
.note {
  background: #fffbeb;
  border: 1px solid #fed7aa;
  border-radius: 8px;
  padding: 1rem;
  margin: 1rem 0;
}

.note p {
  color: #92400e;
  margin: 0;
}

/* Error Codes */
.error-codes {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

.error-code {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
}

.error-code .code {
  font-family: monospace;
  background: var(--light-red);
  color: var(--dark-red);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-weight: 600;
}

.error-code .description {
  color: var(--text-secondary);
}

/* Test Service */
.test-service {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
}

.test-form {
  display: grid;
  gap: 1rem;
  margin-bottom: 2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-weight: 600;
  color: var(--text-primary);
}

.form-group input,
.form-group select {
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-red);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.test-result {
  background: #1a1a1a;
  color: #22c55e;
  padding: 1rem;
  border-radius: 8px;
  font-family: monospace;
  white-space: pre-wrap;
  min-height: 100px;
  margin-top: 1rem;
  display: none;
}

/* Footer */
.footer {
  background: var(--text-primary);
  color: white;
  text-align: center;
  padding: 2rem 0;
  margin-top: 4rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .content-grid {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    order: 2;
  }

  .sidebar-nav {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.5rem;
  }
}

@media (max-width: 768px) {
  .nav {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .hero {
    padding: 6rem 0 3rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }

  .endpoint-header {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }

  .endpoint-url {
    flex-direction: column;
    gap: 0.5rem;
  }

  .error-code {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }

  .tabs {
    flex-wrap: wrap;
  }

  .tab-btn {
    flex: 1;
    min-width: 120px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

  .content-section {
    padding: 1.5rem;
  }

  .info-cards {
    grid-template-columns: 1fr;
  }

  .sidebar-nav {
    grid-template-columns: 1fr;
  }

  .test-form {
    grid-template-columns: 1fr;
  }
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* Selection */
::selection {
  background: var(--light-red);
  color: var(--dark-red);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-red);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--secondary-red);
}

/* Loading Animation */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 1s ease-in-out infinite;
}

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

/* Success Animation */
.success {
  color: #22c55e;
}

.error {
  color: #ef4444;
}

/* Fade In Animation */
.fade-in {
  animation: fadeIn 0.5s ease-in-out;
}

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