:root {
  --bg-main: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-input: #ffffff;
  --bg-modal: #ffffff;

  --border-color: #e2e8f0;
  --border-subtle: #f1f5f9;
  --border-focus: #1a73e8;

  --primary-blue: #1a73e8;
  --primary-blue-hover: #1557b0;
  --primary-blue-light: #e8f0fe;

  --accent-purple: #7c3aed;
  --accent-purple-light: #f3e8ff;
  --accent-teal: #0d9488;
  --accent-green: #16a34a;
  --accent-amber: #d97706;
  --accent-red: #dc2626;

  --text-main: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-light: #94a3b8;

  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-pill: 50px;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-card: 0 1px 3px 0 rgba(60, 64, 67, 0.1), 0 4px 8px 3px rgba(60, 64, 67, 0.05);
  --shadow-hover: 0 4px 16px 0 rgba(26, 115, 232, 0.12), 0 2px 6px 0 rgba(60, 64, 67, 0.15);
  --shadow-modal: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  background-image: radial-gradient(#e2e8f0 1px, transparent 1px);
  background-size: 24px 24px;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary-blue);
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 0.9rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
  color: var(--text-main);
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.03em;
  transition: var(--transition);
}

.brand:hover {
  transform: translateY(-1px);
}

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, #1a73e8 0%, #7c3aed 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: #ffffff;
  box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.15), 0 4px 14px rgba(26, 115, 232, 0.3);
  transition: var(--transition);
}

.brand:hover .brand-icon {
  transform: rotate(-6deg) scale(1.05);
  box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.2), 0 6px 18px rgba(124, 58, 237, 0.35);
}

.brand-text {
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-text span {
  background: linear-gradient(135deg, #1a73e8 0%, #7c3aed 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.badge-count {
  background: var(--primary-blue-light);
  color: #1557b0;
  border: 1px solid rgba(26, 115, 232, 0.3);
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 700;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 3.5rem 1.5rem 2rem;
  max-width: 920px;
  margin: 0 auto;
  min-height: 240px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1.1rem;
  border-radius: var(--radius-pill);
  background: var(--primary-blue-light);
  border: 1px solid rgba(26, 115, 232, 0.3);
  color: #1557b0;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  color: var(--text-main);
  min-height: 70px;
}

.hero p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-weight: 400;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

/* Google-Style Search Bar */
.search-container {
  position: relative;
  max-width: 680px;
  margin: 0 auto 2rem;
}

.search-input {
  width: 100%;
  padding: 1rem 1.2rem 1rem 3.2rem;
  font-size: 1rem;
  font-family: var(--font-sans);
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 28px;
  color: var(--text-main);
  box-shadow: 0 1px 6px 0 rgba(32, 33, 36, 0.12);
  transition: var(--transition);
}

.search-input:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 4px 16px 0 rgba(26, 115, 232, 0.18);
  background: #ffffff;
}

.search-icon {
  position: absolute;
  left: 1.2rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.1rem;
  pointer-events: none;
}

/* Category Filter Pills */
.categories-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
  margin-top: 1.5rem;
}

.cat-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-pill);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.cat-btn:hover {
  background: var(--primary-blue-light);
  color: var(--primary-blue);
  border-color: rgba(26, 115, 232, 0.3);
}

.cat-btn.active {
  background: var(--primary-blue);
  color: #ffffff;
  border-color: var(--primary-blue);
  box-shadow: 0 2px 8px rgba(26, 115, 232, 0.3);
}

/* Container & Section Titles */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.8rem;
  color: var(--text-main);
  font-size: 1.3rem;
  font-weight: 700;
}

/* Tools Grid */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

/* Google-Style Clean Tool Cards */
.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-card);
  position: relative;
}

.tool-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-blue);
  box-shadow: var(--shadow-hover);
  background: #ffffff;
}

.tool-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.tool-icon {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.9), 0 2px 6px rgba(0, 0, 0, 0.04);
  transition: var(--transition);
}

.tool-card:hover .tool-icon {
  background: #e8f0fe;
  border-color: rgba(26, 115, 232, 0.4);
  transform: scale(1.08) rotate(-2deg);
  box-shadow: 0 4px 12px rgba(26, 115, 232, 0.2);
}

.star-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.3rem;
  cursor: pointer;
  padding: 0.2rem;
  transition: var(--transition);
}

.star-btn:hover, .star-btn.starred {
  color: var(--accent-amber);
  transform: scale(1.15);
}

.tool-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.tool-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tool-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

.tool-tag {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

.launch-btn {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary-blue);
  display: flex;
  align-items: center;
  gap: 0.3rem;
  transition: var(--transition);
}

.tool-card:hover .launch-btn {
  transform: translateX(3px);
}

/* Modal / Workspace */
.workspace-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.workspace-modal.active {
  opacity: 1;
  visibility: visible;
}

.workspace-content {
  background: var(--bg-modal);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 960px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-modal);
  transform: translateY(20px);
  transition: var(--transition);
  overflow: hidden;
}

.workspace-modal.active .workspace-content {
  transform: translateY(0);
}

.workspace-header {
  padding: 1.25rem 1.8rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-secondary);
}

.workspace-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.workspace-title h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
}

.close-btn {
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  transition: var(--transition);
}

.close-btn:hover {
  background: var(--accent-red);
  color: #ffffff;
  border-color: var(--accent-red);
}

.workspace-body {
  padding: 1.8rem;
  overflow-y: auto;
  flex: 1;
}

/* UI Form Controls inside Modal Workspace */
.form-group {
  margin-bottom: 1.2rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  transition: var(--transition);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.15);
}

.form-textarea {
  font-family: var(--font-mono);
  resize: vertical;
  min-height: 120px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary-blue);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(26, 115, 232, 0.25);
}

.btn-primary:hover {
  background: var(--primary-blue-hover);
  box-shadow: 0 4px 12px rgba(26, 115, 232, 0.35);
}

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

.btn-secondary:hover {
  background: #e2e8f0;
  color: var(--text-main);
}

.output-box {
  background: #0f172a;
  color: #38bdf8;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 1.2rem;
  border-radius: var(--radius-sm);
  border: 1px solid #1e293b;
  white-space: pre-wrap;
  word-break: break-all;
  overflow-x: auto;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

@media (max-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 1.9rem;
  }
  .hero p {
    font-size: 0.98rem;
  }
  .navbar {
    padding: 0.75rem 1rem;
  }
  .brand-text {
    font-size: 1.15rem;
  }
  .badge-count {
    display: none;
  }
  .categories-wrapper {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    -webkit-overflow-scrolling: touch;
    flex-wrap: nowrap;
  }
  .cat-btn {
    white-space: nowrap;
    font-size: 0.82rem;
    padding: 0.45rem 0.9rem;
  }
  .tools-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .workspace-modal {
    padding: 0.5rem;
  }
  .workspace-content {
    max-height: 95vh;
    border-radius: var(--radius-md);
  }
  .workspace-header {
    padding: 1rem 1.2rem;
  }
  .workspace-body {
    padding: 1.2rem;
  }
  .toast-container {
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
  }
}

/* Toast Container */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background: var(--text-main);
  color: #ffffff;
  padding: 0.8rem 1.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2);
  animation: toastIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Footer */
footer {
  text-align: center;
  padding: 3rem 1.5rem;
  border-top: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: 0.9rem;
}