/* ==========================================================================
   DevNova Ultra-Aesthetic Design System
   Inspired by Vercel, Linear, and Raycast (Cyber Glassmorphism)
   ========================================================================== */

:root {
  --bg-base: #090d16;
  --bg-surface: #111827;
  --bg-surface-elevated: #161f33;
  --bg-glass: rgba(17, 24, 39, 0.7);
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(99, 102, 241, 0.4);
  --border-glow: rgba(139, 92, 246, 0.5);

  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-glow: rgba(99, 102, 241, 0.25);
  
  --accent-cyan: #06b6d4;
  --accent-purple: #8b5cf6;
  --accent-pink: #ec4899;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Inter", sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", Consolas, monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.2);
}

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

body {
  background-color: var(--bg-base);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  position: relative;
}

/* Background Ambient Glows */
body::before {
  content: "";
  position: fixed;
  top: -15%;
  left: 20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}
body::after {
  content: "";
  position: fixed;
  bottom: 10%;
  right: 15%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.08) 0%, transparent 70%);
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

/* Header & Navbar */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(9, 13, 22, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 100;
  padding: 0.85rem 0;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand-link {
  display: flex;
  align-items: center;
  text-decoration: none;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.nav-item {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-item:hover, .nav-item.active {
  color: #fff;
}

.search-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(17, 24, 39, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 0.45rem 0.9rem;
  color: var(--text-dim);
  font-size: 0.8125rem;
  cursor: pointer;
  transition: all 0.2s;
}
.search-trigger:hover {
  border-color: var(--border-active);
  color: var(--text-main);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.15);
}
.search-trigger kbd {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  padding: 0.15rem 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Hero Section */
.hero {
  padding: 4.5rem 0 3rem;
  text-align: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  color: #a5b4fc;
  margin-bottom: 1.5rem;
}
.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.75rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}
.text-gradient {
  background: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.text-gradient-cyan {
  background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 2.5rem;
  font-weight: 400;
}

/* Category Filter Tabs */
.filter-bar {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}
.filter-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  padding: 0.55rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.filter-btn:hover {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.2);
}
.filter-btn.active {
  background: rgba(99, 102, 241, 0.15);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.25);
}

/* Tools Grid */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-bottom: 4rem;
}
.tool-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.tool-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), transparent 60%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}
.tool-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-active);
  box-shadow: 0 12px 30px -10px rgba(99, 102, 241, 0.25);
}
.tool-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  margin-bottom: 1.25rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
}
.tool-icon.indigo { background: rgba(99, 102, 241, 0.12); color: #818cf8; border-color: rgba(99, 102, 241, 0.3); }
.tool-icon.cyan { background: rgba(6, 182, 212, 0.12); color: #22d3ee; border-color: rgba(6, 182, 212, 0.3); }
.tool-icon.pink { background: rgba(236, 72, 153, 0.12); color: #f472b6; border-color: rgba(236, 72, 153, 0.3); }
.tool-icon.emerald { background: rgba(16, 185, 129, 0.12); color: #34d399; border-color: rgba(16, 185, 129, 0.3); }

.tool-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: #fff;
}
.tool-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 1.5rem;
  flex: 1;
}
.tool-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--text-dim);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 1rem;
}
.badge-tag {
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-full);
  padding: 0.2rem 0.6rem;
  font-weight: 600;
  font-size: 0.75rem;
  color: var(--text-muted);
}
.tool-launch-arrow {
  color: var(--primary);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  transition: transform 0.2s;
}
.tool-card:hover .tool-launch-arrow {
  transform: translateX(4px);
  color: #a5b4fc;
}

/* Tool Interface Panels */
.tool-workspace {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2rem;
  margin: 2rem 0 3rem;
  box-shadow: var(--shadow-glass);
}
.tool-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
@media (max-width: 900px) {
  .tool-split { grid-template-columns: 1fr; }
}

/* Form Controls */
.control-group {
  margin-bottom: 1.25rem;
}
.control-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #e2e8f0;
}
.control-val {
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  font-size: 0.8125rem;
}
.range-slider {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  outline: none;
  -webkit-appearance: none;
}
.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
}

.text-input, .textarea-input {
  width: 100%;
  background: #090d16;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s;
}
.text-input:focus, .textarea-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary-glow);
}

/* Action Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  border: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
  color: #fff;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}
.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: #fff;
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Code Output Blocks */
.code-output-box {
  background: #090d16;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}
.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.8125rem;
  color: var(--text-dim);
}
.code-body {
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: #38bdf8;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 400px;
  overflow-y: auto;
}

/* AdSense Slot (Sleek Dark Theme) */
.ad-slot-dev {
  background: rgba(17, 24, 39, 0.5);
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1rem;
  text-align: center;
  margin: 2.5rem 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.ad-tag {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
}

/* Footer */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  padding: 2.5rem 0;
  background: rgba(9, 13, 22, 0.9);
  color: var(--text-dim);
  font-size: 0.875rem;
  text-align: center;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
}
.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
}
.footer-links a:hover {
  color: #fff;
}

/* Toast Notification */
#toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: #111827;
  border: 1px solid var(--accent-emerald);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 10px 25px rgba(0,0,0,0.5);
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 9999;
}
#toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* ==========================================================================
   Search Modal (Ctrl + K) - Hidden by default, overlaid on active
   ========================================================================== */
.search-modal {
  position: fixed;
  inset: 0;
  background: rgba(4, 7, 13, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 12vh 1rem 2rem;
  z-index: 99999;
}

.search-modal.active {
  display: flex !important;
}

.search-modal-box {
  background: #111827;
  border: 1px solid var(--border-active);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 620px;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.9), 0 0 35px rgba(99, 102, 241, 0.25);
  overflow: hidden;
  animation: modalSlideDown 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalSlideDown {
  from {
    transform: translateY(-20px) scale(0.98);
    opacity: 0;
  }
  to {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}

.search-input-wrapper {
  display: flex;
  align-items: center;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(17, 24, 39, 0.9);
  gap: 0.75rem;
}

.search-input-icon {
  font-size: 1.1rem;
  color: var(--text-dim);
}

#searchModalInput {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  font-size: 1.05rem;
  font-family: var(--font-sans);
}

#searchModalInput::placeholder {
  color: var(--text-dim);
}

.search-results-list {
  max-height: 380px;
  overflow-y: auto;
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.search-result-item {
  display: flex;
  align-items: center;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--text-main);
  background: transparent;
  transition: all 0.15s ease;
  border: 1px solid transparent;
}

.search-result-item:hover, .search-result-item:focus {
  background: rgba(99, 102, 241, 0.12);
  border-color: rgba(99, 102, 241, 0.3);
}

.result-icon {
  font-size: 1.4rem;
  margin-right: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
}

.result-details {
  flex: 1;
  min-width: 0;
}

.result-title {
  font-size: 0.95rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #fff;
}

.result-badge {
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  border-radius: 9999px;
  background: rgba(99, 102, 241, 0.2);
  color: var(--accent-cyan);
  font-family: var(--font-mono);
}

.result-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 0.15rem;
}

.result-arrow {
  color: var(--text-dim);
  font-size: 1rem;
  margin-left: 0.5rem;
  transition: transform 0.15s ease, color 0.15s ease;
}

.search-result-item:hover .result-arrow {
  color: var(--accent-cyan);
  transform: translateX(3px);
}