/* ==============================================
   1️⃣  CSS Reset & Base Styles
   ============================================== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ----------------------------------------------
   Theme Variables (Dark) – can be overridden or
   duplicated into a light theme file
   ---------------------------------------------- */
:root {
  /* Colours */
  --bg-primary: #0a0a0a;
  --bg-secondary: #1a1a1a;
  --bg-tertiary: #2a2a2a;
  --bg-card: #1e1e1e;
  --bg-hover: #333333;
  --bg-code: #162447;

  --accent-primary: #00ff88;   /* soft green */
  --accent-secondary: #0088ff; /* blue */
  --accent-danger: #ff4444;    /* red */
  --accent-warning: #ffaa00;   /* amber */
  --accent-purple: #aa44ff;    /* violet */

  /* Text */
  --text-primary: #ffffff;
  --text-secondary: #cccccc;
  --text-muted: #888888;
  --text-accent: var(--accent-primary);
  --text-code: #f0f0f0;

  /* Border & Shadow */
  --border-color: #333333;
  --shadow-light: 0 2px 10px rgba(0, 255, 136, .1);
  --shadow-medium: 0 4px 20px rgba(0, 255, 136, .2);
  --shadow-heavy: 0 8px 40px rgba(0, 255, 136, .3);

  /* Transitions */
  --transition-fast: .2s ease;
  --transition-medium: .3s ease;
  --transition-slow: .5s ease;

  /* Typography */
  --font-primary: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  --font-mono: "Consolas", "Monaco", "Courier New", monospace;

  /* Layout */
  --max-width: 1400px;
  --gap-sm: 1rem;   /* 16px */
  --gap-md: 1.5rem; /* 24px */
  --gap-lg: 2.5rem; /* 40px */
}

/* Global body */
body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--text-primary);
  overflow-x: hidden;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
  transition: background .4s ease;
}

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

/* ==============================================
   2️⃣  Utility classes
   ============================================== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--gap-sm);
}

.hidden          { display: none !important; }
.fade-in         { animation: fadeIn .5s ease both; }
.slide-in-left   { animation: slideInLeft .5s ease both; }
.highlight       { background: rgba(0,255,136,.2); padding: .1rem .3rem; border-radius: .15rem; }

/* Animations (kept global for reuse) */
@keyframes fadeIn {
  from{opacity:0;}
  to{opacity:1;}
}
@keyframes slideInLeft {
  from{transform: translateX(-30px); opacity:0;}
  to{transform: translateX(0); opacity:1;}
}

/* ==============================================
   3️⃣  Header
   ============================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
  border-bottom: 2px solid var(--accent-primary);
  box-shadow: var(--shadow-medium);
  animation: slideDown .8s ease;
}
@keyframes slideDown {
  from{transform: translateY(-100%); opacity:0;}
  to{transform: translateY(0); opacity:1;}
}
.header-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--gap-md);
  padding: var(--gap-md) 0;
}
.main-title {
  font: 700 clamp(1.8rem,4vw,3rem)/1 var(--font-primary);
  color: var(--text-primary);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.shield-icon { font-size: 1.2em; animation: pulse 2s infinite; }
@keyframes pulse { 50%{transform:scale(1.1);} }
.subtitle {
  font-size: .4rem;
  color: var(--accent-primary);
  margin-top: .25rem;
  animation: fadeInUp .8s ease .5s both;
}
@keyframes fadeInUp { from{transform:translateY(20px); opacity:0;} to{transform:translateY(0); opacity:1;} }
.header-stats { display:flex; gap:1.75rem; animation: fadeInRight .8s ease .3s both;}
@keyframes fadeInRight { from{transform:translateX(30px); opacity:0;} to{transform:translateX(0); opacity:1;} }
.stat-item {
  text-align:center;
  padding: .75rem 1.25rem;
  background:var(--bg-card);
  border-radius: .75rem;
  border:1px solid var(--border-color);
  transition: var(--transition-medium);
}
.stat-item:hover{transform:translateY(-5px); box-shadow:var(--shadow-light); border-color:var(--accent-primary); }
.stat-number { display:block; font:700 1.5rem/1 var(--font-primary); color:var(--accent-primary); }
.stat-label  { font:400 .9rem/1 var(--font-primary); color:var(--text-secondary); }

/* ==============================================
   4️⃣  Instructions Section
   ============================================== */
.instructions-section {
  padding: var(--gap-lg) 0;
  background: var(--bg-primary);
  animation: fadeIn .8s ease .8s both;
}
.instructions-card {
  background: var(--bg-card);
  border-radius: 1.25rem;
  padding: var(--gap-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-medium);
  transition: var(--transition-medium);
}
.instructions-card:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-heavy);
}
.instructions-card h2 {
  font:700 2rem/1 var(--font-primary);
  margin-bottom:1.5rem;
  text-align:center;
  color:var(--accent-primary);
}
.instructions-grid {
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:var(--gap-lg);
  margin-top: var(--gap-lg);
}
.instruction-item{
  text-align:center;
  padding:1.56rem; /* 25px */
  background:var(--bg-secondary);
  border-radius: .94rem;
  border:1px solid var(--border-color);
  transition: var(--transition-medium);
  animation: slideInUp .6s ease both;
}
.instruction-item:nth-child(1){animation-delay:.1s;}
.instruction-item:nth-child(2){animation-delay:.2s;}
.instruction-item:nth-child(3){animation-delay:.3s;}
.instruction-item:nth-child(4){animation-delay:.4s;}
@keyframes slideInUp { from{transform:translateY(30px); opacity:0;} to{transform:translateY(0); opacity:1;} }
.instruction-item:hover{
  transform:translateY(-8px) scale(1.02);
  border-color:var(--accent-primary);
  box-shadow:var(--shadow-light);
}
.instruction-icon{
  font-size:2.5rem;
  margin-bottom:1rem;
  animation:bounce 2s infinite;
}
@keyframes bounce{
  0%,20%,50%,80%,100%{transform:translateY(0);}
  40%{transform:translateY(-10px);}
  60%{transform:translateY(-5px);}
}
.instruction-item h3{
  font:600 1.2rem/1 var(--font-primary);
  margin-bottom:.75rem;
  color:var(--accent-secondary);
}
.instruction-item p{color:var(--text-secondary); line-height:1.5;}

/* ==============================================
   5️⃣  Search Section
   ============================================== */
.search-section {
  padding: var(--gap-md) 0;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}
.search-controls{ display:flex; flex-direction:column; gap:var(--gap-lg);}
.search-bar-container{
  position:relative;
  max-width:600px;
  margin-inline:auto;
  width:100%;
}
.search-input{
  width:100%;
  padding:.94rem 3.13rem .94rem 1.25rem;
  font:1.1rem var(--font-primary);
  background:var(--bg-card);
  border:2px solid var(--border-color);
  border-radius: 50px;
  color:var(--text-primary);
  transition: var(--transition-medium);
}
.search-input:focus{
  outline:none;
  border-color:var(--accent-primary);
  box-shadow:0 0 20px rgba(0,255,136,.3);
  transform:scale(1.02);
}
.search-input::placeholder{color:var(--text-muted);}
.clear-btn{
  position:absolute; right: .94rem; top:50%;
  transform:translateY(-50%);
  background:none; border:none;
  color:var(--text-muted);
  font-size:1.2rem;
  cursor:pointer;
  transition:var(--transition-fast);
  padding:.3rem;
  border-radius:50%;
}
.clear-btn:hover{
  color:var(--accent-danger);
  background:var(--bg-hover);
}

/* Filter Controls */
.filter-controls h3{
  text-align:center;
  margin-bottom:.94rem;
  color:var(--accent-primary);
  font-size:1.2rem;
}
.category-filters{
  display:flex;
  flex-wrap:wrap;
  gap:.5rem;
  justify-content:center;
}
.filter-btn{
  padding:.5rem 1rem;
  background:var(--bg-card);
  border:1px solid var(--border-color);
  border-radius: 1.56rem;
  color:var(--text-secondary);
  cursor:pointer;
  transition: var(--transition-medium);
  font:400 .9rem var(--font-primary);
  position:relative;
  overflow:hidden;
}
.filter-btn::before {
  content:"";
  position:absolute;
  top:0; left:-100%;
  width:100%; height:100%;
  background:linear-gradient(90deg,transparent,rgba(0,255,136,.2),transparent);
  transition:var(--transition-medium);
}
.filter-btn:hover::before{left:100%;}
.filter-btn:hover{
  border-color:var(--accent-primary);
  color:var(--text-primary);
  transform:translateY(-.3rem);
  box-shadow:var(--shadow-light);
}
.filter-btn.active{
  background:var(--accent-primary);
  color:var(--bg-primary);
  border-color:var(--accent-primary);
  font-weight:600;
}

/* Results Info & Buttons */
.results-info{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:var(--gap-sm);
}
#results-count{color:var(--text-secondary); font-style:italic;}
.expand-btn,
.collapse-btn{
  padding:.5rem 1rem;
  background:var(--bg-card);
  border:1px solid var(--border-color);
  border-radius:1rem;
  color:var(--text-primary);
  cursor:pointer;
  transition: var(--transition-medium);
  font-family:var(--font-primary);
}
.expand-btn:hover,
.collapse-btn:hover{
  border-color:var(--accent-primary);
  color:var(--text-primary);
  transform:translateY(-.3rem);
  box-shadow:var(--shadow-light);
}

/* ==============================================
   6️⃣  Tools Section
   ============================================== */
.tools-section{
  padding:var(--gap-md) 0 var(--gap-lg);
  background:var(--bg-primary);
  min-height:60vh;
}
.tools-grid{
  display:grid;
  gap:1rem;
}
.category-section{
  background:var(--bg-card);
  border-radius: .94rem;
  border:1px solid var(--border-color);
  overflow:hidden;
  transition:var(--transition-medium);
  animation: slideInUp .6s ease both;
}
.category-section:hover{
  box-shadow:var(--shadow-light);
  transform:translateY(-.3rem);
}
.category-header{
  padding:1.25rem 1.56rem;
  background:linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
  border-bottom:1px solid var(--border-color);
  cursor:pointer;
  display:flex;
  justify-content:space-between;
  align-items:center;
  transition:var(--transition-medium);
  position:relative;
  overflow:hidden;
}
.category-header::before{
  content:"";
  position:absolute;
  top:0; left:-100%;
  width:100%; height:100%;
  background:linear-gradient(90deg,transparent,rgba(0,255,136,.1),transparent);
  transition:var(--transition-slow);
}
.category-header:hover::before{left:100%;}
.category-header:hover{
  background:linear-gradient(135deg,var(--bg-tertiary),var(--bg-hover));
}
.category-title{
  font:600 1.4rem/1 var(--font-primary);
  color:var(--accent-primary);
  display:flex;
  align-items:center;
  gap: .5rem;
}
.category-icon{font-size:1.2em;}
.toggle-icon{
  font-size:1.2rem;
  color:var(--text-secondary);
  transition:var(--transition-medium);
}
.category-section.collapsed .toggle-icon{transform:rotate(-90deg);}
.tools-list{
  max-height:none;
  transition:max-height .5s ease, opacity .3s ease;
  opacity:1;
}
.category-section.collapsed .tools-list{
  max-height:0;
  opacity:0;
  overflow:hidden;
}
.tool-item{
  padding:1.25rem 1.56rem;
  border-bottom:1px solid var(--border-color);
  transition:var(--transition-medium);
  position:relative;
  overflow:hidden;
}
.tool-item:last-child{border-bottom:0;}
.tool-item::before{
  content:"";
  position:absolute;
  left:0; top:0;
  width:3px; height:100%;
  background:var(--accent-primary);
  transform:scaleY(0);
  transition:var(--transition-medium);
}
.tool-item:hover::before{transform:scaleY(1);}
.tool-item:hover{
  background:var(--bg-secondary);
  padding-left:2.5rem;
}
.tool-header{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  margin-bottom:.75rem;
  flex-wrap:wrap;
  gap:.5rem;
}
.tool-name{
  font:600 1.2rem/1 var(--font-primary);
  color:var(--text-primary);
  font-family:var(--font-mono);
}
.social-links{
  display:flex;
  gap:1.2rem;
  list-style:none;
}
.social-icon{
  color:var(--text-secondary);
  transition:var(--transition-medium);
}
.social-icon:hover{
  color:var(--accent-primary);
  transform:scale(1.1);
  filter:drop-shadow(0 0 5px rgba(0,255,136,.3));
}
.tool-description{
  color:var(--text-secondary);
  line-height:1.6;
  margin-bottom:.75rem;
}
.tool-tags{
  display:flex;
  flex-wrap:wrap;
  gap:.5rem;
}
.tool-tag{
  padding:.05rem .5rem;
  background:var(--bg-tertiary);
  border:1px solid var(--border-color);
  border-radius:.75rem;
  font-size:.75rem;
  color:var(--text-muted);
  transition:var(--transition-fast);
}
.tool-tag:hover{
  background:var(--accent-primary);
  color:var(--bg-primary);
  border-color:var(--accent-primary);
}
.tool-tags span:hover{
  background:var(--accent-primary);
  color:var(--bg-primary);
  transform:scale(1.05);
  border-radius:.75rem;
}
.tool-footer{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-top:1rem;
  padding-top:.94rem;
  border-top:1px solid var(--border-color);
}
.guide-button{
  background:var(--accent-primary);
  color:var(--bg-primary);
  padding:.5rem 1rem;
  border-radius:.5rem;
  text-decoration:none;
  font-weight:700;
  font-size:.9rem;
  transition:all .3s ease;
  white-space:nowrap;
}
.guide-button:hover::after{
  content:"GO TO PAGE";
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  opacity:.5;
  animation:reverbEcho 2s ease;
}
@keyframes reverbEcho{
  0%{transform:scale(1); opacity:.5;}
  50%{transform:scale(1.5); opacity:.2;}
  100%{transform:scale(2); opacity:0;}
}
.tool-usage{
  margin-top:.94rem;
  padding-top:.94rem;
  border-top:1px solid var(--border-color);
}
.usage-title{
  font:700 .9rem/1 var(--font-primary);
  color:var(--accent-primary);
  margin-bottom:.3rem;
  text-transform:uppercase;
  letter-spacing:.05rem;
}
.usage-code{
  background:var(--bg-code);
  border:1px solid var(--border-color);
  border-left:4px solid var(--accent-primary);
  border-radius:.5rem;
  padding:.94rem;
  font-family:var(--font-mono);
  font-size:.9rem;
  color:var(--text-code);
  white-space:pre-wrap;
  word-wrap:break-word;
}

/* ==============================================
   7️⃣  Footer
   ============================================== */
.footer{
  background:var(--bg-secondary);
  border-top:1px solid var(--border-color);
  padding:var(--gap-md) 0;
  text-align:center;
}
.footer-content p{
  margin-bottom:.5rem;
  color:var(--text-secondary);
}
.footer-content p:first-child{
  color:var(--accent-primary);
  font-weight:700;
  font-size:1.1rem;
}
.footer-links{
  margin-top:var(--gap-sm);
  color:var(--text-muted);
  font-style:italic;
}

/* ==============================================
   8️⃣  Loading Overlay
   ============================================== */
.loading-overlay{
  position:fixed;
  inset:0;
  background:var(--bg-primary);
  display:flex;
  justify-content:center;
  align-items:center;
  z-index:10000;
  transition:opacity .5s ease;
}
.loading-overlay.hidden{opacity:0; pointer-events:none;}
.loading-spinner{text-align:center;}
.spinner{
  width:3.13rem; height:3.13rem;
  border:3px solid var(--border-color);
  border-top:3px solid var(--accent-primary);
  border-radius:50%;
  animation:spin 1s linear infinite;
  margin:0 auto 1rem;
}
@keyframes spin{ from{transform:rotate(0);} to{transform:rotate(360deg);} }
.loading-spinner p{
  color:var(--text-secondary);
  font-size:1.1rem;
}

/* ==============================================
   9️⃣  Breakpoints & Responsive tweaks
   ============================================== */
@media (max-width:768px){
  .container{padding-inline:.94rem;}
  .header-content{flex-direction:column;gap:var(--gap-lg);text-align:center;}
  .header-stats{gap:1.25rem;}
  .instructions-grid{grid-template-columns:1fr;}
  .search-controls{gap:var(--gap-lg);}
  .category-filters{gap:.5rem;}
  .filter-btn{font-size:.8rem; padding:.3rem .75rem;}
  .results-info{flex-direction:column;align-items:center;}
  .tool-header{flex-direction:column; align-items:flex-start;}
  .main-title{font-size:1.8rem;}
}
@media (max-width:480px){
  .instructions-card{padding:1.56rem;}
  .category-header{padding:.94rem 1.25rem;}
  .tool-item{padding:.75rem 1rem;}
  .category-title{font-size:1.2rem;}
  .tool-name{font-size:1.1rem;}
}

/* ==============================================
   END OF STYLES
   ============================================== */
/* 1️⃣  Hide the whole filter‑by‑category block
    --------------------------------------------- */
.filter-controls {
  display: none;               /* completely removed from flow */
  /* or use `visibility: hidden;` if you want space to remain */
}

/* 2️⃣  OPTIONAL: A “toggle” helper that you can add
    ------------------------------------------------- */
.filter-controls.show {      /* apply `.show` to reveal it */
  display: block;
}

/* 3️⃣  If you already have a `.hidden` utility, you can just
    reuse it – no additional CSS is required:  */
.filter-controls.hidden {      /* keep here just in case you forget the name */
  display: none;
}



/* ---------- GitHub button ---------- */
    .github-compact-container {
      position: fixed;
      top: 24px;
      right: 24px;
      z-index: 99999;
      display: flex;
      align-items: center;
      justify-content: flex-end;
    }

    .github-compact {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: #24292e;
      display: grid;
      place-items: center;
      cursor: pointer;
      transition: all .3s ease;
      box-shadow: 0 4px 12px rgba(0, 0, 0, .2);
      text-decoration: none;
    }

    .github-compact svg {
      width: 20px;
      height: 20px;
      fill: white;
      transition: transform .3s ease;
    }

    .github-tooltip {
      background: #24292e;
      color: white;
      padding: 6px 12px;
      border-radius: 6px;
      font-size: 13px;
      white-space: nowrap;
      margin-right: 10px;
      opacity: 0;
      visibility: hidden;
      transform: translateX(10px);
      transition: all .3s ease;
      box-shadow: 0 4px 12px rgba(0, 0, 0, .2);
    }

    .github-compact-container:hover .github-tooltip {
      opacity: 1;
      visibility: visible;
      transform: translateX(0);
    }

    .github-compact-container:hover .github-compact {
      transform: scale(1.1);
      background: #448aff;
    }

    .github-compact-container:hover svg {
      transform: rotate(-10deg);
    }