/* ============================================================
   PayloadForge — Style v2 (CTF Hub aligned)
   ============================================================ */

/* ---------- Reset & Base ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0b0f14;--bg2:#0d1117;--bg3:#141a23;--bg4:#1a2233;
  --surface:rgba(13,18,26,0.75);--surface2:#16202d;
  --accent:#ff6b35;--accent2:#ff4500;--accent-glow:rgba(255,107,53,.35);
  --site-accent:#7cf7c0;
  --text:#d7fbe8;--text-muted:rgba(214,255,233,0.7);--text-dim:rgba(214,255,233,0.5);
  --code-bg:#060a0f;
  --border:rgba(255,107,53,.15);--border-hover:rgba(255,107,53,.35);
  --site-border:rgba(117,255,171,0.2);
  --radius:10px;--radius-sm:6px;
  --font-sans:'Inter',system-ui,sans-serif;
  --font-mono:'JetBrains Mono',monospace;
  --transition:.3s ease;
}
html{scroll-behavior:smooth}
body{
  background:radial-gradient(circle at top,#0f1722,#0b0f14 45%,#06080b);
  color:var(--text);
  font-family:var(--font-sans);line-height:1.6;
  min-height:100vh;overflow-x:hidden;
}

/* ---------- Custom Scrollbar ---------- */
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:var(--bg2)}
::-webkit-scrollbar-thumb{background:var(--bg4);border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:var(--accent)}

/* ---------- Site Nav (CTF Hub style) ---------- */
.site-nav{
  position:sticky;top:0;z-index:1000;
  display:flex;align-items:center;justify-content:space-between;
  padding:0.8rem clamp(1.2rem,3.5vw,4.5rem);
  background:rgba(11,15,20,0.92);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--site-border);
}
.nav-logo{
  display:flex;align-items:center;gap:0.5rem;text-decoration:none;
  font-family:var(--font-mono);font-weight:700;font-size:1.1rem;color:var(--site-accent);
}
.nav-links{display:flex;gap:0.3rem;align-items:center}
.nav-link{
  color:var(--text-muted);text-decoration:none;
  padding:0.45rem 0.75rem;border-radius:6px;
  font-size:0.82rem;transition:color 0.2s,background 0.2s;
}
.nav-link:hover,.nav-link.active{color:var(--accent);background:rgba(255,107,53,0.08)}
.nav-hamburger{display:none;background:none;border:none;color:var(--text);font-size:1.5rem;cursor:pointer;padding:0.3rem}

/* ---------- Terminal Window (CTF Hub style) ---------- */
.terminal-window{
  background:#0d1117;
  border:1px solid var(--site-border);
  border-radius:12px;overflow:hidden;position:relative;
}
.terminal-bar{
  display:flex;align-items:center;gap:7px;padding:12px 16px;
  background:rgba(13,17,23,0.95);border-bottom:1px solid rgba(255,255,255,0.06);
}
.dot{width:12px;height:12px;border-radius:50%}
.dot.red{background:#ff5f57}
.dot.yellow{background:#ffbd2e}
.dot.green{background:#28c840}
.terminal-title{margin-left:8px;font-family:var(--font-mono);font-size:0.72rem;color:var(--text-dim)}

/* ---------- Hero ---------- */
.hero{
  max-width:900px;margin:2rem auto;padding:0 20px;
}
.hero-body{
  padding:2.5rem 2rem;text-align:center;
}
.hero-title{
  font-family:var(--font-mono);font-size:clamp(2.2rem,6vw,4rem);
  font-weight:700;letter-spacing:-1px;
  text-shadow:
    0 0 10px rgba(255,107,53,.8),
    0 0 20px rgba(255,107,53,.6),
    0 0 40px rgba(255,69,0,.4),
    0 0 80px rgba(255,69,0,.25),
    0 0 120px rgba(255,69,0,.12);
}
.hero-title .accent{color:var(--accent)}
.hero-subtitle{
  font-size:clamp(0.9rem,2.2vw,1.15rem);color:var(--text-muted);
  margin-top:10px;font-family:var(--font-mono);min-height:1.8em;
}
.cursor{animation:blink .85s step-end infinite;color:var(--accent)}
@keyframes blink{50%{opacity:0}}
.hero-stat{
  display:inline-block;margin-top:1rem;
  font-family:var(--font-mono);font-size:0.85rem;color:var(--text-dim);
  padding:0.4rem 1rem;border:1px solid var(--border);border-radius:20px;
  background:rgba(255,107,53,0.05);
}

/* ---------- Tabs ---------- */
.tabs{
  display:flex;justify-content:center;gap:4px;
  padding:0 20px;margin:0 auto;max-width:420px;
  position:relative;
  background:var(--surface);border-radius:var(--radius);
  border:1px solid var(--border);
}
.tab{
  flex:1;padding:12px 20px;background:none;border:none;
  color:var(--text-muted);font-family:var(--font-sans);font-size:.95rem;
  font-weight:500;cursor:pointer;transition:color var(--transition);
  position:relative;z-index:1;border-radius:var(--radius);
}
.tab:hover{color:var(--text)}
.tab.active{color:#fff}
.tab-indicator{
  position:absolute;top:4px;bottom:4px;left:4px;
  width:calc(50% - 6px);
  background:var(--accent);border-radius:8px;
  transition:transform var(--transition);z-index:0;
  opacity:.9;
}
.tab-indicator.right{transform:translateX(calc(100% + 4px))}

/* ---------- Panels ---------- */
.panel{
  display:none;max-width:1000px;margin:28px auto;
  padding:0 20px;
  animation:fadeSlideUp .4s ease both;
}
.panel.active{display:block}
@keyframes fadeSlideUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}

/* ---------- Controls ---------- */
.controls{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:20px;margin-bottom:24px;
  backdrop-filter:blur(8px);
}
.controls-row{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:12px}
.controls-row:last-child{margin-bottom:0}
.control-group{display:flex;flex-direction:column;flex:1;min-width:140px}
.control-group label{font-size:.75rem;color:var(--text-muted);margin-bottom:4px;text-transform:uppercase;letter-spacing:.5px;font-weight:600}
.card-count-group{align-items:flex-end;justify-content:flex-end}
.card-count{
  font-family:var(--font-mono);color:var(--accent);
  font-size:.85rem;font-weight:600;padding:9px 0;
}

select,input[type="text"],textarea{
  background:var(--bg2);color:var(--text);
  border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:9px 12px;font-family:var(--font-sans);font-size:.9rem;
  transition:border-color var(--transition),box-shadow var(--transition);
  outline:none;
}
select:focus,input[type="text"]:focus,textarea:focus{
  border-color:var(--accent);
  box-shadow:0 0 0 3px var(--accent-glow);
}
select{cursor:pointer;appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23ff6b35'%3E%3Cpath d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 10px center;padding-right:30px;
}

/* ---------- Payload Grid ---------- */
.payload-grid{display:flex;flex-direction:column;gap:14px}

/* ---------- Payload Card ---------- */
.payload-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;
  transition:border-color var(--transition),box-shadow var(--transition),transform .2s ease;
  animation:cardIn .35s ease both;
  backdrop-filter:blur(8px);
}
.payload-card:hover{
  border-color:var(--border-hover);
  box-shadow:0 4px 24px rgba(255,107,53,.08);
  transform:translateY(-2px);
}
@keyframes cardIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

.card-header{
  display:flex;align-items:center;gap:10px;
  padding:14px 16px;cursor:pointer;user-select:none;
}
.card-title{flex:1;font-weight:600;font-size:.95rem}
.badge{
  font-size:.7rem;font-weight:600;padding:3px 8px;
  border-radius:20px;text-transform:uppercase;letter-spacing:.4px;
  white-space:nowrap;
}
.badge-lang{background:rgba(255,107,53,.15);color:var(--accent)}
.badge-os{background:rgba(139,211,255,.12);color:#8bd3ff}
.badge-type{background:rgba(255,209,102,.1);color:#ffd166}
.btn-copy{
  background:rgba(255,107,53,.1);color:var(--accent);
  border:1px solid rgba(255,107,53,.2);border-radius:var(--radius-sm);
  padding:5px 12px;font-size:.78rem;cursor:pointer;font-family:var(--font-sans);
  transition:all var(--transition);white-space:nowrap;
}
.btn-copy:hover{background:rgba(255,107,53,.2)}
.btn-copy.copied{background:rgba(50,205,50,.15);color:#32cd32;border-color:rgba(50,205,50,.3)}

.card-body{display:none;padding:0 16px 16px;animation:fadeSlideUp .25s ease both}
.card-body.open{display:block}

.card-description{color:var(--text-muted);font-size:.85rem;margin-bottom:10px}

.code-block{
  background:var(--code-bg);border:1px solid rgba(255,255,255,.05);
  border-radius:var(--radius-sm);padding:14px;
  overflow-x:auto;position:relative;
}
.code-block code{
  font-family:var(--font-mono);font-size:.82rem;
  line-height:1.6;color:var(--text);white-space:pre-wrap;word-break:break-all;
}
.code-block .highlight-ip{color:#ff6b35;font-weight:600}
.code-block .highlight-port{color:#8bd3ff;font-weight:600}

.listener-section{margin-top:12px}
.listener-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-weight:600;margin-bottom:6px}
.listener-block{
  background:rgba(255,107,53,.04);border:1px solid rgba(255,107,53,.12);
  border-radius:var(--radius-sm);padding:12px;display:flex;align-items:center;gap:10px;
}
.listener-block code{font-family:var(--font-mono);font-size:.82rem;flex:1;color:var(--accent);word-break:break-all}

/* ---------- Encoder ---------- */
.encoder-layout{display:flex;flex-direction:column;gap:20px}
.encoder-input-section label,.encoder-output-header label{
  display:block;font-size:.75rem;color:var(--text-muted);
  text-transform:uppercase;letter-spacing:.5px;font-weight:600;margin-bottom:6px;
}
.encoder-input-section textarea{
  width:100%;min-height:100px;resize:vertical;
  font-family:var(--font-mono);font-size:.85rem;
}
.pipeline-section{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:20px;
  backdrop-filter:blur(8px);
}
.pipeline-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.pipeline-header h3{font-size:1rem;font-weight:600;color:var(--text)}
.btn-add-op{
  background:var(--accent);color:#fff;border:none;
  border-radius:var(--radius-sm);padding:8px 16px;
  font-family:var(--font-sans);font-size:.85rem;font-weight:600;
  cursor:pointer;transition:all var(--transition);
}
.btn-add-op:hover{background:var(--accent2);transform:translateY(-1px)}

.encoder-picker{
  display:none;flex-wrap:wrap;gap:8px;margin-bottom:16px;
  padding:14px;background:var(--bg2);border-radius:var(--radius-sm);
  border:1px solid var(--border);
}
.encoder-picker.open{display:flex}
.picker-btn{
  background:var(--bg3);color:var(--text-muted);border:1px solid var(--border);
  border-radius:20px;padding:6px 14px;font-size:.8rem;cursor:pointer;
  font-family:var(--font-sans);transition:all var(--transition);
}
.picker-btn:hover{background:rgba(255,107,53,.1);color:var(--accent);border-color:var(--accent)}

.pipeline-steps{position:relative}
.pipeline-empty{color:var(--text-dim);font-size:.9rem;text-align:center;padding:30px 0}

.step-card{
  background:var(--bg2);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:14px;
  margin-bottom:12px;position:relative;
  animation:cardIn .3s ease both;
}
.step-card::before{
  content:'';position:absolute;left:24px;top:-12px;
  width:2px;height:12px;background:var(--accent);
}
.step-card:first-child::before{display:none}
.step-header{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.step-name{flex:1;font-weight:600;font-size:.88rem;color:var(--accent)}
.step-controls{display:flex;gap:4px}
.step-btn{
  background:none;border:1px solid var(--border);color:var(--text-muted);
  width:28px;height:28px;border-radius:4px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  font-size:.75rem;transition:all var(--transition);
}
.step-btn:hover{border-color:var(--accent);color:var(--accent)}
.step-config{margin-bottom:8px}
.step-config input{width:120px;padding:5px 8px;font-size:.8rem}
.step-preview{
  background:var(--code-bg);border-radius:4px;padding:10px;
  font-family:var(--font-mono);font-size:.78rem;color:var(--text-muted);
  max-height:80px;overflow:auto;word-break:break-all;
}

.encoder-output-header{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:6px}
.encoder-output{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:16px;
  font-family:var(--font-mono);font-size:.85rem;
  min-height:60px;color:var(--accent);word-break:break-all;
  white-space:pre-wrap;
}

/* ---------- Footer (CTF Hub style) ---------- */
.footer{
  text-align:center;padding:2rem;
  border-top:1px solid var(--site-border);
  color:var(--text-dim);font-size:.8rem;
  margin-top:3rem;
}
.footer a{color:var(--site-accent);text-decoration:none;transition:color var(--transition)}
.footer a:hover{text-decoration:underline}

/* ---------- Responsive ---------- */
@media(max-width:768px){
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;background:rgba(11,15,20,0.98);
    border-bottom:1px solid var(--site-border);padding:0.5rem;
  }
  .nav-links.open{display:flex}
  .nav-hamburger{display:block}
  .hero{margin:1rem auto;padding:0 12px}
  .hero-body{padding:1.5rem 1rem}
  .hero-title{font-size:clamp(1.8rem,8vw,2.8rem)}
  .controls-row{flex-direction:column}
  .control-group{min-width:100%}
  .tabs{max-width:calc(100% - 24px)}
  .panel{padding:0 12px}
  .card-header{flex-wrap:wrap;gap:6px}
  .badge{font-size:.65rem}
  .step-header{flex-wrap:wrap}
}