:root{
  --gold:#d4ac47;
  --gold-dark:#b8913a;
  --gold-light:#e0c068;
  --navy:#17314b;
  --navy-darker:#0d1f33;
  --navy-light:#1e3d5c;
  --bg:#f8fafc;
  --bg-subtle:#f1f5f9;
  --card:#ffffff;
  --border:#e2e8f0;
  --text:#0f172a;
  --text-muted:#64748b;
  --text-soft:#94a3b8;
  --success:#22c55e;
  --warning:#f59e0b;
  --danger:#ef4444;
  --accent:var(--gold);
  --accent-contrast:var(--navy);
}
.dark{
  --bg:#0d1f33;
  --bg-subtle:#17314b;
  --card:#1e3d5c;
  --border:#2a4d70;
  --text:#f1f5f9;
  --text-muted:#94a3b8;
  --text-soft:#64748b;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;transition:background .2s,color .2s}

/* Layout with sidebar */
.layout{display:flex;min-height:100vh}
.sidebar{width:250px;background:var(--navy-darker);color:#fff;padding:0;position:fixed;height:100vh;display:flex;flex-direction:column}
.sidebar-logo{padding:20px;border-bottom:1px solid rgba(255,255,255,.08);display:flex;align-items:center;gap:12px}
.sidebar-logo .mark{width:32px;height:32px;background:var(--gold);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--navy)}
.sidebar-logo .mark svg{width:24px;height:24px}
.sidebar-logo h1{font-size:16px;font-weight:700;color:var(--gold)}
.sidebar-logo span{color:#94a3b8;font-size:11px;display:block}
.sidebar-nav{list-style:none;flex:1;padding:16px 0}
.sidebar-nav a{display:block;padding:11px 20px;color:#cbd5e1;text-decoration:none;font-size:14px;border-left:3px solid transparent;transition:.15s}
.sidebar-nav a:hover{background:rgba(255,255,255,.04);color:#fff}
.sidebar-nav a.active{background:rgba(212,172,71,.08);color:var(--gold);border-left-color:var(--gold)}
.sidebar-user{padding:15px 20px;border-top:1px solid rgba(255,255,255,.08);background:var(--navy);font-size:13px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.sidebar-user small{color:#94a3b8;font-size:11px}
.main-content{flex:1;margin-left:250px;padding:30px}

/* Theme toggle */
.theme-toggle{position:fixed;top:20px;right:20px;width:36px;height:36px;border-radius:50%;background:var(--card);border:1px solid var(--border);color:var(--text);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:16px;z-index:100}
.theme-toggle:hover{background:var(--bg-subtle)}

/* Auth pages */
.auth-page{min-height:100vh;display:flex;flex-direction:column;background:var(--bg)}
.auth-header{padding:24px 32px;display:flex;align-items:center;justify-content:space-between}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--text)}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;background:var(--gold);color:var(--navy);border-radius:10px}
.brand-mark svg{width:26px;height:26px}
.brand-name{font-weight:700;font-size:18px;color:var(--gold)}
.brand-name .sep{color:var(--text-muted);font-weight:400}
.auth-main{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px}
.auth-card{background:var(--card);border-radius:12px;box-shadow:0 1px 3px rgba(0,0,0,.08),0 0 0 1px rgba(15,23,42,.04);padding:40px;width:100%;max-width:440px;border:1px solid var(--border)}
.auth-icon{width:56px;height:56px;margin:0 auto 20px;background:var(--bg-subtle);border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--gold)}
.auth-icon svg{width:32px;height:32px}
.auth-title{font-size:24px;font-weight:700;text-align:center;margin-bottom:8px}
.auth-subtitle{text-align:center;color:var(--text-muted);margin-bottom:24px;font-size:14px}
.auth-help{margin-top:24px;color:var(--text-muted);font-size:13px;text-align:center}
.auth-help a{color:var(--gold);text-decoration:none}
.auth-help a:hover{text-decoration:underline}
.auth-footer{padding:20px;text-align:center;color:var(--text-soft);font-size:12px}
.auth-link-back{color:var(--text-muted);text-decoration:none;font-size:14px}
.auth-link-back:hover{color:var(--text)}

/* Cards */
.card{background:var(--card);border-radius:10px;box-shadow:0 1px 3px rgba(0,0,0,.06);border:1px solid var(--border);overflow:hidden}
.card-header{padding:18px 20px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}
.card-header h3{font-size:15px;font-weight:600}
.card-body{padding:20px}

/* Stats */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:30px}
.stat-card{background:var(--card);border-radius:10px;box-shadow:0 1px 3px rgba(0,0,0,.06);padding:20px;border:1px solid var(--border);border-left:3px solid var(--gold)}
.stat-label{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px}
.stat-value{font-size:32px;font-weight:700;color:var(--text)}
.stat-value.success{color:var(--success)}
.stat-value.warning{color:var(--warning)}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:768px){.grid-2{grid-template-columns:1fr}}

/* Tables */
table{width:100%;border-collapse:collapse}
th,td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border)}
th{background:var(--bg-subtle);font-weight:600;font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}
tr:last-child td{border-bottom:none}

/* Forms */
.form-group{margin-bottom:18px}
.form-label{display:block;font-size:13px;font-weight:500;margin-bottom:6px;color:var(--text)}
.form-input,.form-select{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:8px;font-size:14px;background:var(--card);color:var(--text);font-family:inherit}
.form-input:focus,.form-select:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(212,172,71,.15)}
.form-input.otp{font-size:24px;text-align:center;letter-spacing:8px;font-weight:600}
textarea.form-input{resize:vertical;min-height:80px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 18px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;border:1px solid var(--border);text-decoration:none;color:var(--text);background:var(--card);transition:.15s;font-family:inherit}
.btn:hover{background:var(--bg-subtle)}
.btn-primary{background:var(--gold);color:var(--navy);border-color:var(--gold)}
.btn-primary:hover{background:var(--gold-dark);border-color:var(--gold-dark);color:var(--navy)}
.btn-accent{background:var(--navy);color:var(--gold);border-color:var(--navy)}
.btn-accent:hover{background:var(--navy-light);color:var(--gold)}
.btn-success{background:var(--success);color:#fff;border-color:var(--success)}
.btn-success:hover{opacity:.9}
.btn-danger{background:var(--danger);color:#fff;border-color:var(--danger)}
.btn-danger:hover{opacity:.9}
.btn-sm{padding:6px 12px;font-size:12px}
.btn-block{width:100%}

/* Badges */
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:600;background:var(--bg-subtle);color:var(--text-muted);letter-spacing:.3px}
.badge-success{background:rgba(34,197,94,.12);color:var(--success)}
.badge-warning{background:rgba(245,158,11,.12);color:var(--warning)}
.badge-danger{background:rgba(239,68,68,.12);color:var(--danger)}

/* Alerts */
.alert{padding:12px 16px;border-radius:8px;margin-bottom:20px;font-size:14px}
.alert-error{background:rgba(239,68,68,.1);color:var(--danger);border:1px solid rgba(239,68,68,.2)}
.alert-success{background:rgba(34,197,94,.1);color:var(--success);border:1px solid rgba(34,197,94,.2)}

/* License display */
.license-key-box{background:var(--bg-subtle);border:1px dashed var(--gold);border-radius:10px;padding:20px;font-family:'Menlo','Consolas',monospace;font-size:16px;text-align:center;word-break:break-all;color:var(--text);letter-spacing:2px}
.flags-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:8px}
.flag-item{padding:10px 12px;background:var(--bg-subtle);border-radius:8px;font-size:12px;color:var(--text-soft);font-family:monospace}
.flag-item.enabled{background:rgba(212,172,71,.12);color:var(--gold);border:1px solid rgba(212,172,71,.3)}

/* Misc */
.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px;gap:20px;flex-wrap:wrap}
.page-header h1{font-size:24px;font-weight:700}
.text-center{text-align:center}
.mt-20{margin-top:20px}
.mb-20{margin-bottom:20px}
.back-link{display:inline-block;color:var(--text-muted);text-decoration:none;margin-bottom:15px;font-size:14px}
.back-link:hover{color:var(--gold)}
pre{background:var(--bg-subtle);padding:14px;border-radius:8px;font-size:12px;overflow-x:auto;color:var(--text);border:1px solid var(--border)}