:root{--bg:#0f172a;--card:#0b1226;--ink:#e5e7eb;--muted:#94a3b8;--border:#1f2937;--accent:#22c55e;--accent2:#06b6d4;--danger:#ef4444;--ok:#10b981}
*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto}

.wrap{max-width:1100px;margin:0 auto;padding:24px}

/* Header */
header{position:sticky;top:0;z-index:3;background:rgba(15,23,42,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);padding:16px 20px;display:flex;align-items:center;justify-content:space-between}
header h1{font-size:1.4rem;margin:0;font-weight:600}

/* Hamburger button */
.hamburger{display:none;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:8px}
.hamburger-line{width:24px;height:3px;background:var(--ink);border-radius:2px;transition:all 0.3s ease}
.hamburger.active .hamburger-line:nth-child(1){transform:rotate(45deg) translate(6px,6px)}
.hamburger.active .hamburger-line:nth-child(2){opacity:0}
.hamburger.active .hamburger-line:nth-child(3){transform:rotate(-45deg) translate(6px,-6px)}

/* Navigation */
nav{display:flex;gap:.5rem;flex-wrap:wrap}
.nav-menu{display:flex;gap:.5rem;flex-wrap:wrap}
button.tab,.nav-menu a.tab{padding:.5rem .8rem;border-radius:999px;border:1px solid var(--border);background:#0a1123;color:inherit;text-decoration:none;transition:all 0.2s ease;cursor:pointer;font-size:14px;font-weight:500;display:inline-block}
button.tab:hover,.nav-menu a.tab:hover{background:rgba(34,197,94,0.1);border-color:var(--accent)}
button.tab.active{background:linear-gradient(135deg,#1e293b,#0b1226)}

/* Cards */
.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:1rem;margin-bottom:1rem}
.card h3{font-size:1.15rem;margin:.2rem 0 .6rem;color:#d1d5db}

/* Rows */
.row{display:flex;gap:1rem;flex-wrap:wrap;align-items:center;margin-bottom:1rem}
.row h3{margin:0;flex:1}

/* Buttons */
button{padding:.55rem .9rem;border:1px solid var(--border);background:#0a1123;border-radius:10px;cursor:pointer;font-size:14px;font-weight:500;transition:all 0.2s ease;color:inherit}
button:hover{background:rgba(34,197,94,0.1);border-color:var(--accent)}
button:active{transform:translateY(1px)}

/* Tables */
table{width:100%;border-collapse:collapse;margin-top:1rem}
th,td{padding:.5rem;border-bottom:1px solid var(--border);text-align:left}
th{background:rgba(15,23,42,0.5);font-weight:600;color:var(--ink);font-size:14px}
td{font-size:14px;color:var(--ink)}
tr:hover td{background:#0c142a}

/* Forms */
form.inline{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1rem;margin-top:1rem}
form.inline label{font-weight:600;margin-bottom:6px;color:var(--ink);font-size:14px;display:block}
form.inline input,form.inline select,form.inline textarea{width:100%;background:#0b1226;border:1px solid var(--border);border-radius:10px;padding:.55rem .7rem;font-size:14px;color:inherit;transition:border-color 0.2s ease}
form.inline input:focus,form.inline select:focus,form.inline textarea:focus{outline:2px solid var(--accent);outline-offset:2px;border-color:var(--accent)}
form.inline button{grid-column:1/-1;padding:12px 24px;background:linear-gradient(135deg,#0ea5e9,#22c55e);border:none;color:white;border-radius:10px;cursor:pointer;font-size:16px;font-weight:600;transition:background-color 0.2s ease}
form.inline button:hover{background:linear-gradient(135deg,#0284c7,#16a34a)}
form.inline button:disabled{background:#9ca3af;cursor:not-allowed}

/* Status indicators */
.muted{color:var(--muted)}
.ok{color:var(--ok);font-weight:600}
.bad{color:var(--danger);font-weight:600}

/* Pre-formatted text */
pre{background:#0a1123;border:1px solid var(--border);border-radius:10px;padding:1rem;overflow-x:auto;font-size:12px;line-height:1.5;color:var(--ink)}

/* Action buttons */
.btn-edit,.btn-delete{padding:6px 12px;margin:0 4px;border:1px solid var(--border);border-radius:6px;background:#0a1123;cursor:pointer;font-size:12px;font-weight:500;transition:all 0.2s ease;color:inherit}
.btn-edit:hover{background:rgba(59,130,246,0.1);border-color:#3b82f6;color:#60a5fa}
.btn-delete:hover{background:rgba(239,68,68,0.1);border-color:var(--danger);color:#f87171}

/* Loading state */
.loading{opacity:0.7;pointer-events:none}

/* Toast notifications */
.toast{position:fixed;top:20px;right:20px;padding:12px 20px;border-radius:8px;color:white;font-weight:500;z-index:1000;animation:slideIn 0.3s ease-out;box-shadow:0 4px 6px rgba(0,0,0,0.3)}
.toast-success{background:var(--ok)}
.toast-error{background:var(--danger)}
.toast-warning{background:#f59e0b}
.toast-info{background:var(--accent2)}

@keyframes slideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}
@keyframes slideOut{from{transform:translateX(0);opacity:1}to{transform:translateX(100%);opacity:0}}

/* Responsive design */
@media(max-width:768px){
  .hamburger{display:flex}
  .nav-menu{position:absolute;top:100%;left:0;right:0;background:rgba(15,23,42,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);flex-direction:column;padding:1rem;transform:translateY(-100%);opacity:0;visibility:hidden;transition:all 0.3s ease}
  .nav-menu.active{transform:translateY(0);opacity:1;visibility:visible}
  .nav-menu button.tab,.nav-menu a.tab{width:100%;border-radius:8px;margin-bottom:0.5rem;text-align:left}
  .wrap{padding:16px}
  .card{padding:16px}
  form.inline{grid-template-columns:1fr}
  .row{flex-direction:column;align-items:stretch}
  table{font-size:12px}
  th,td{padding:8px 12px}
  .card table{overflow-x:auto;display:block}
}

/* Accessibility improvements */
@media(prefers-reduced-motion:reduce){
  *{animation-duration:0.01ms!important;animation-iteration-count:1!important;transition-duration:0.01ms!important}
}

/* Focus indicators for keyboard navigation */
button:focus,input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:2px}

/* Environment monitoring styles */
.env-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1rem;margin-top:1rem}
.env-section{background:#0a1123;border:1px solid var(--border);border-radius:10px;padding:1rem}
.env-section h4{font-size:1rem;margin:0 0 .8rem;color:#d1d5db;font-weight:600}
.env-content{font-size:13px;line-height:1.4}
.env-content .loading{color:var(--muted);font-style:italic}
.env-item{margin-bottom:.8rem;padding-bottom:.8rem;border-bottom:1px solid rgba(31,41,55,0.5)}
.env-item:last-child{margin-bottom:0;padding-bottom:0;border-bottom:none}
.env-label{font-weight:600;color:#9ca3af;margin-bottom:.2rem}
.env-value{color:#e5e7eb;word-break:break-all}
.env-value.success{color:#10b981}
.env-value.error{color:#ef4444}
.env-value.warning{color:#f59e0b}
.env-value.masked{filter:blur(2px);user-select:none}

/* Edit form styles */
.button-group{display:flex;gap:.5rem;margin-top:1rem}
.button-group button{flex:1}
.button-group button[type="button"]{background:var(--muted);color:var(--text)}
.button-group button[type="button"]:hover{background:var(--muted-hover)}

/* Edit form headers */
form h4{margin:0 0 1rem;color:var(--accent);font-size:1.1rem;font-weight:600}

/* Form transitions */
form{transition:opacity 0.2s ease-in-out}
form[style*="display: none"]{opacity:0}

/* Action buttons */
.btn-edit,.btn-delete{padding:.25rem .5rem;font-size:.75rem;border-radius:4px;border:none;cursor:pointer;margin-right:.25rem;transition:all 0.2s ease}
.btn-edit{background:#3b82f6;color:white}
.btn-edit:hover{background:#2563eb}
.btn-delete{background:#ef4444;color:white}
.btn-delete:hover{background:#dc2626}

/* Table improvements */
table button{min-width:60px}
table td:last-child{white-space:nowrap}

/* Form improvements */
.inline{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;align-items:end}
.inline label{font-weight:500;color:var(--text);margin-bottom:.25rem}
.inline input,.inline select,.inline textarea{padding:.5rem;border:1px solid var(--border);border-radius:4px;background:var(--bg);color:var(--text)}
.inline input:focus,.inline select:focus,.inline textarea:focus{border-color:var(--accent);box-shadow:0 0 0 2px rgba(59,130,246,0.1)}
.inline textarea{resize:vertical;min-height:80px}
.inline button[type="submit"]{background:var(--accent);color:white;padding:.75rem 1.5rem;border:none;border-radius:4px;font-weight:600;cursor:pointer;transition:background 0.2s ease}
.inline button[type="submit"]:hover{background:var(--accent-hover)}

/* High contrast mode support */
@media(prefers-contrast:high){
  .card{border:2px solid #fff}
  button{border:2px solid #fff}
  th{background:#000;color:#fff}
}

/* Print styles */
@media print{
  header,button,form{display:none!important}
  .card{border:1px solid #000;box-shadow:none}
  table{border:1px solid #000}
  th,td{border:1px solid #000}
}

/* Utility classes */
.visually-hidden{position:absolute!important;height:1px;width:1px;overflow:hidden;clip:rect(1px,1px,1px,1px);white-space:nowrap;border:0;padding:0;margin:-1px}
.right{text-align:right}
.hide{display:none!important}