/* ========== Reset & Base ========== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#2ECC71;--primary-dim:rgba(46,204,113,.12);
  --secondary:#27AE60;--accent:#3498DB;--accent-dim:rgba(52,152,219,.12);
  --bg:#0A0F0A;--surface:#111A11;--surface2:#1A271A;
  --border:rgba(46,204,113,.12);--text:#E8F5E9;--text-dim:#81C784;
  --radius:8px;--font:'JetBrains Mono',monospace;
  --transition:250ms ease;
  --danger:#EF4444;--warning:#F59E0B;
}
html{font-size:16px;scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.6;min-height:100vh}

/* ========== Header ========== */
.header{position:sticky;top:0;z-index:100;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);background:rgba(10,15,10,.8);border-bottom:1px solid var(--border)}
.header-inner{max-width:1300px;margin:0 auto;padding:.75rem 1.5rem;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem}
.logo{display:flex;align-items:center;gap:.5rem}
.logo-icon{font-size:1.25rem}
.logo h1{font-size:1.1rem;font-weight:700;color:var(--primary)}
.port-highlight{color:var(--accent)}
.header-actions{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap}
.search-box{display:flex;align-items:center;gap:.4rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:.4rem .7rem;transition:border-color var(--transition)}
.search-box:focus-within{border-color:var(--primary)}
.search-box input{background:none;border:none;color:var(--text);font-family:var(--font);font-size:.8rem;outline:none;width:140px}
.search-box svg{color:var(--text-dim);flex-shrink:0}
select{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-family:var(--font);font-size:.75rem;padding:.4rem .6rem;outline:none;cursor:pointer}
select:focus{border-color:var(--primary)}

/* ========== Buttons ========== */
.btn{display:inline-flex;align-items:center;gap:.3rem;padding:.4rem .8rem;border:none;border-radius:6px;font-size:.75rem;font-weight:600;cursor:pointer;transition:all var(--transition);font-family:var(--font)}
.btn-primary{background:var(--primary);color:#0A0F0A}
.btn-primary:hover{filter:brightness(1.15);transform:translateY(-1px)}
.btn-sm{background:var(--primary-dim);color:var(--primary);border:1px solid var(--border)}
.btn-sm:hover{background:var(--primary);color:#0A0F0A}
.btn-outline{background:transparent;color:var(--text-dim);border:1px solid var(--border)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-icon{background:none;border:none;color:var(--text-dim);cursor:pointer;padding:.25rem;border-radius:4px;transition:color var(--transition)}
.btn-icon:hover{color:var(--primary)}

/* ========== Stats Bar ========== */
.stats-bar{max-width:1300px;margin:1.5rem auto .5rem;padding:0 1.5rem;display:flex;align-items:center;gap:.75rem;flex-wrap:wrap}
.stat-chip{font-size:.75rem;color:var(--text-dim);background:var(--surface);border:1px solid var(--border);padding:.3rem .7rem;border-radius:20px}
.stat-chip span{color:var(--primary);font-weight:700}

/* ========== Main ========== */
.main{max-width:1300px;margin:0 auto;padding:0 1.5rem 2rem}

/* ========== Port Grid ========== */
.port-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:.75rem;margin-top:1rem}
.port-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1rem;transition:all var(--transition);position:relative;cursor:default}
.port-card:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:0 4px 20px rgba(46,204,113,.08)}
.port-card.bookmarked{border-color:var(--accent)}
.port-number{font-size:1.5rem;font-weight:700;color:var(--primary);display:flex;align-items:center;gap:.5rem}
.port-number .category-dot{width:8px;height:8px;border-radius:50%;display:inline-block;flex-shrink:0}
.cat-web{background:#2ECC71}.cat-database{background:#E74C3C}.cat-devtools{background:#3498DB}.cat-messaging{background:#F39C12}.cat-custom{background:#9B59B6}
.port-service{font-size:.85rem;color:var(--text);margin:.25rem 0;font-weight:500}
.port-category{font-size:.65rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:.05em}
.port-actions{display:flex;gap:.25rem;margin-top:.75rem;flex-wrap:wrap}
.port-actions .btn{font-size:.65rem;padding:.3rem .5rem}
.port-note{margin-top:.5rem;font-size:.7rem;color:var(--text-dim);background:var(--surface2);padding:.4rem .6rem;border-radius:4px;border-left:2px solid var(--accent)}
.port-card .bookmark-btn{position:absolute;top:.5rem;right:.5rem;font-size:.9rem;background:none;border:none;cursor:pointer;opacity:.4;transition:opacity var(--transition)}
.port-card:hover .bookmark-btn,.port-card.bookmarked .bookmark-btn{opacity:1}
.port-card.bookmarked .bookmark-btn{color:var(--accent)}

/* Pulse animation */
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(46,204,113,.2)}50%{box-shadow:0 0 0 6px rgba(46,204,113,0)}}
.port-card.common{animation:pulse 3s infinite}

/* ========== Modal ========== */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:200}
.modal{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1.5rem;width:90%;max-width:400px}
.modal h2{font-size:1rem;font-weight:700;margin-bottom:1rem;color:var(--primary)}
.modal label{display:block;font-size:.75rem;color:var(--text-dim);margin-bottom:.75rem}
.modal input,.modal select{display:block;width:100%;margin-top:.25rem;background:var(--surface2);border:1px solid var(--border);border-radius:6px;padding:.5rem;color:var(--text);font-family:var(--font);font-size:.8rem;outline:none}
.modal input:focus{border-color:var(--primary)}
.modal-actions{display:flex;gap:.5rem;justify-content:flex-end;margin-top:1rem}

/* ========== Empty State ========== */
.empty-state{text-align:center;padding:3rem;color:var(--text-dim);font-size:.9rem}

/* ========== Toast ========== */
.toast{position:fixed;bottom:2rem;left:50%;transform:translateX(-50%) translateY(100px);background:var(--surface2);color:var(--text);padding:.6rem 1.25rem;border-radius:var(--radius);font-size:.8rem;font-weight:500;border:1px solid var(--primary);box-shadow:0 8px 32px rgba(0,0,0,.4);transition:transform 300ms ease;z-index:9999;pointer-events:none}
.toast.show{transform:translateX(-50%) translateY(0)}

/* ========== Responsive ========== */
@media(max-width:768px){
  .header-inner{flex-direction:column;align-items:flex-start}
  .port-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr))}
}
@media(max-width:480px){
  .main{padding:0 1rem 2rem}
  .port-grid{grid-template-columns:1fr}
}