:root {
  --bg:#07070f; --bg2:#0d0d1a; --bg3:#12121f;
  --card:rgba(255,255,255,.03); --card2:rgba(255,255,255,.06);
  --border:rgba(192,132,252,.15); --border2:rgba(192,132,252,.25);
  --purple:#9333ea; --purple2:#7c3aed; --accent:#c084fc;
  --indigo:#6366f1; --text:#e4e4e7; --muted:#71717a;
  --green:#4ade80; --red:#f87171; --amber:#fbbf24;
  --radius:16px; --sidebar:260px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px}
body{background:var(--bg);color:var(--text);font-family:'Inter',sans-serif;min-height:100vh;line-height:1.5}
a{color:var(--accent);text-decoration:none}
a:hover{color:#fff}
input,select,textarea{font-family:inherit;font-size:.9rem}

/* LAYOUT */
.layout{display:flex;min-height:100vh}
.sidebar{width:var(--sidebar);background:var(--bg2);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;height:100vh;z-index:100;overflow-y:auto}
.main{margin-left:var(--sidebar);flex:1;min-height:100vh;padding:32px}
.sidebar-logo{padding:24px 20px;border-bottom:1px solid var(--border)}
.sidebar-logo .logo-text{font-size:1.05rem;font-weight:700;background:linear-gradient(135deg,var(--accent),var(--indigo));-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1.2}
.sidebar-logo .logo-sub{font-size:.72rem;color:var(--muted);margin-top:2px}
.sidebar-nav{flex:1;padding:12px 0}
.nav-section{padding:16px 20px 6px;font-size:.67rem;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.nav-link{display:flex;align-items:center;gap:10px;padding:10px 20px;color:var(--muted);font-size:.875rem;font-weight:500;transition:.2s;cursor:pointer}
.nav-link:hover,.nav-link.active{color:var(--text);background:var(--card2)}
.nav-link.active{border-right:2px solid var(--accent)}
.nav-link i{width:18px;text-align:center;font-size:.85rem}
.sidebar-footer{padding:16px 20px;border-top:1px solid var(--border);font-size:.8rem;color:var(--muted)}

/* PAGE HEADER */
.page-header{margin-bottom:28px}
.page-title{font-size:1.5rem;font-weight:700;color:var(--text)}
.page-subtitle{font-size:.875rem;color:var(--muted);margin-top:4px}

/* CARDS */
.cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:28px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;backdrop-filter:blur(10px)}
.card-label{font-size:.75rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-weight:500}
.card-value{font-size:1.6rem;font-weight:700;color:var(--text);margin-top:6px;line-height:1}
.card-sub{font-size:.78rem;color:var(--muted);margin-top:6px}
.card-icon{font-size:1.4rem;margin-bottom:8px}
.card.purple .card-value{color:var(--accent)}
.card.green .card-value{color:var(--green)}
.card.red .card-value{color:var(--red)}
.card.amber .card-value{color:var(--amber)}

/* TABLES */
.table-wrap{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.table-header{padding:16px 20px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}
.table-title{font-size:.9rem;font-weight:600}
table{width:100%;border-collapse:collapse}
thead th{background:rgba(147,51,234,.08);padding:11px 16px;text-align:left;font-size:.75rem;font-weight:600;color:var(--accent);text-transform:uppercase;letter-spacing:.06em;white-space:nowrap}
tbody tr{border-top:1px solid rgba(255,255,255,.04)}
tbody tr:hover{background:rgba(255,255,255,.02)}
td{padding:12px 16px;font-size:.85rem;color:var(--text)}
td.muted{color:var(--muted)}

/* BADGES */
.badge{display:inline-block;padding:2px 10px;border-radius:50px;font-size:.72rem;font-weight:600;letter-spacing:.03em}
.badge-green{background:rgba(74,222,128,.12);color:var(--green)}
.badge-red{background:rgba(248,113,113,.12);color:var(--red)}
.badge-amber{background:rgba(251,191,36,.12);color:var(--amber)}
.badge-purple{background:rgba(192,132,252,.12);color:var(--accent)}
.badge-muted{background:rgba(113,113,122,.12);color:var(--muted)}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:8px;font-size:.85rem;font-weight:600;border:none;cursor:pointer;transition:.2s;font-family:inherit}
.btn-primary{background:var(--purple);color:#fff}
.btn-primary:hover{background:var(--purple2)}
.btn-secondary{background:var(--card2);color:var(--text);border:1px solid var(--border)}
.btn-secondary:hover{background:rgba(255,255,255,.08)}
.btn-danger{background:rgba(248,113,113,.15);color:var(--red);border:1px solid rgba(248,113,113,.25)}
.btn-danger:hover{background:rgba(248,113,113,.25)}
.btn-sm{padding:5px 12px;font-size:.78rem}
.btn-xs{padding:3px 8px;font-size:.72rem}

/* FORMS */
.form-group{margin-bottom:16px}
.form-label{display:block;font-size:.8rem;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px}
.form-control{width:100%;background:var(--bg2);border:1px solid var(--border);border-radius:8px;padding:10px 14px;color:var(--text);font-size:.9rem;transition:.2s}
.form-control:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(192,132,252,.1)}
.form-control::placeholder{color:var(--muted)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-section{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin-bottom:24px}
.form-section-title{font-size:.95rem;font-weight:600;color:var(--accent);margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid var(--border)}

/* LOGIN */
.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--bg);padding:20px}
.login-card{width:100%;max-width:400px;background:var(--bg2);border:1px solid var(--border);border-radius:24px;padding:40px;backdrop-filter:blur(20px)}
.login-logo{text-align:center;margin-bottom:32px}
.login-logo .logo-text{font-size:1.3rem;font-weight:800;background:linear-gradient(135deg,var(--accent),var(--indigo));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.login-logo .logo-sub{font-size:.8rem;color:var(--muted);margin-top:4px}
.login-title{font-size:1.2rem;font-weight:700;text-align:center;margin-bottom:8px}
.login-sub{font-size:.85rem;color:var(--muted);text-align:center;margin-bottom:28px}
.alert{padding:12px 16px;border-radius:8px;font-size:.85rem;margin-bottom:16px}
.alert-error{background:rgba(248,113,113,.1);border:1px solid rgba(248,113,113,.2);color:var(--red)}
.alert-success{background:rgba(74,222,128,.1);border:1px solid rgba(74,222,128,.2);color:var(--green)}

/* SALDO DISPLAY */
.saldo-display{text-align:center;padding:28px;background:linear-gradient(135deg,rgba(147,51,234,.15),rgba(99,102,241,.15));border:1px solid rgba(192,132,252,.25);border-radius:var(--radius);margin-bottom:24px}
.saldo-label{font-size:.8rem;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:8px}
.saldo-value{font-size:2.8rem;font-weight:800;background:linear-gradient(135deg,var(--accent),var(--indigo));-webkit-background-clip:text;-webkit-text-fill-color:transparent}

/* API KEY */
.api-key-box{display:flex;align-items:center;gap:8px;background:var(--bg2);border:1px solid var(--border);border-radius:8px;padding:12px 16px}
.api-key-text{flex:1;font-family:monospace;font-size:.85rem;color:var(--accent);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* SVG CHART */
.chart-wrap{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:24px}
.chart-title{font-size:.9rem;font-weight:600;margin-bottom:16px}

/* PAGINATION */
.pagination{display:flex;gap:6px;align-items:center;justify-content:center;padding:20px}
.page-btn{padding:6px 12px;border-radius:6px;font-size:.82rem;border:1px solid var(--border);background:var(--card);color:var(--muted);cursor:pointer;text-decoration:none}
.page-btn:hover,.page-btn.active{background:var(--purple);color:#fff;border-color:var(--purple)}

/* SEARCH BAR */
.search-bar{display:flex;gap:10px;align-items:center;margin-bottom:20px;flex-wrap:wrap}
.search-bar .form-control{max-width:300px}

/* PRICE TABLE */
.price-table{width:100%;border-collapse:collapse}
.price-table th{background:rgba(147,51,234,.06);padding:10px 14px;text-align:left;font-size:.75rem;font-weight:600;color:var(--accent);text-transform:uppercase}
.price-table td{padding:8px 14px;border-top:1px solid rgba(255,255,255,.04);font-size:.84rem}
.price-table .cost-hint{color:var(--muted);font-size:.75rem}
.price-input{width:90px;background:var(--bg2);border:1px solid var(--border);border-radius:6px;padding:5px 8px;color:var(--text);font-size:.84rem;text-align:center}
.price-input:focus{outline:none;border-color:var(--accent)}
.cat-header{background:rgba(192,132,252,.06);font-weight:700;color:var(--accent);font-size:.78rem;text-transform:uppercase;letter-spacing:.08em}

/* UTIL */
.text-center{text-align:center}
.text-right{text-align:right}
.mt-1{margin-top:4px}.mt-2{margin-top:8px}.mt-3{margin-top:12px}.mt-4{margin-top:16px}
.mb-4{margin-bottom:16px}.mb-6{margin-bottom:24px}
.flex{display:flex}.items-center{align-items:center}.gap-2{gap:8px}.gap-3{gap:12px}.justify-between{justify-content:space-between}
.w-full{width:100%}
.hidden{display:none}
.mono{font-family:monospace}

/* RESPONSIVE */
@media(max-width:768px){
  .sidebar{width:100%;height:auto;position:relative;flex-direction:row;flex-wrap:wrap}
  .main{margin-left:0;padding:16px}
  .layout{flex-direction:column}
  .form-row{grid-template-columns:1fr}
  .cards-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:480px){
  .cards-grid{grid-template-columns:1fr}
  .login-card{padding:28px 20px}
}