/* ═══════════════════════════════════════════════════════
   NerdDux — Node Service Provider
   Dark Industrial / Neon Grid Aesthetic
   ═══════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700;800;900&display=swap');

:root {
    --bg-void:#07080a;--bg-primary:#0c0e12;--bg-card:#11141a;--bg-elevated:#181c24;--bg-hover:#1e2330;
    --accent:#00f0ff;--accent-dim:#00f0ff33;--accent-glow:#00f0ff18;--accent-green:#00ff88;--accent-green-dim:#00ff8833;
    --accent-orange:#ff6b2b;--accent-red:#ff3366;--accent-yellow:#ffd600;--accent-purple:#a855f7;
    --text-primary:#e8ecf4;--text-secondary:#8892a4;--text-muted:#4a5568;
    --border:#1e2330;--border-accent:#00f0ff22;
    --radius-sm:6px;--radius:10px;--radius-lg:16px;--radius-xl:20px;
    --font-display:'Outfit',system-ui,sans-serif;--font-mono:'JetBrains Mono','Fira Code',monospace;
    --shadow-card:0 2px 16px rgba(0,0,0,0.4);--shadow-glow:0 0 30px var(--accent-dim);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:15px;scroll-behavior:smooth}
body{font-family:var(--font-display);background:var(--bg-void);color:var(--text-primary);min-height:100vh;-webkit-font-smoothing:antialiased}
body::before{content:'';position:fixed;inset:0;background-image:linear-gradient(rgba(0,240,255,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(0,240,255,.02) 1px,transparent 1px);background-size:60px 60px;pointer-events:none;z-index:0}
a{color:var(--accent);text-decoration:none;transition:color .2s}a:hover{color:#66f7ff}

/* AUTH */
.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;z-index:1}
.auth-box{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);padding:48px 40px;width:100%;max-width:440px;position:relative;overflow:hidden}
.auth-box::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--accent),transparent)}
.auth-logo{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.auth-logo .logo-icon{width:48px;height:48px;background:linear-gradient(135deg,var(--accent),var(--accent-green));border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:800;color:var(--bg-void);font-family:var(--font-mono)}
.auth-logo h1{font-size:1.8rem;font-weight:800;background:linear-gradient(135deg,var(--accent),var(--accent-green));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.5px}
.auth-subtitle{color:var(--text-secondary);font-size:.95rem;margin-bottom:32px;margin-top:4px}
.auth-links{text-align:center;margin-top:20px;font-size:.9rem;color:var(--text-secondary)}

/* FORMS */
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:.78rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:1px;margin-bottom:8px;font-family:var(--font-mono)}
.form-input{width:100%;background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;font-size:1rem;color:var(--text-primary);font-family:var(--font-display);transition:all .2s;outline:none}
.form-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}
.form-input::placeholder{color:var(--text-muted)}
textarea.form-input{resize:vertical;min-height:120px;font-family:var(--font-mono);font-size:.9rem}
select.form-input{appearance:none;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%238892a4' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:40px}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--radius);font-size:.95rem;font-weight:600;font-family:var(--font-display);cursor:pointer;border:none;transition:all .2s;text-decoration:none;line-height:1}
.btn-primary{background:linear-gradient(135deg,var(--accent),#00c8d9);color:var(--bg-void);box-shadow:0 4px 20px var(--accent-dim)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 28px rgba(0,240,255,.35)}
.btn-secondary{background:var(--bg-elevated);color:var(--text-primary);border:1px solid var(--border)}
.btn-secondary:hover{background:var(--bg-hover)}
.btn-danger{background:rgba(255,51,102,.15);color:var(--accent-red);border:1px solid rgba(255,51,102,.3)}
.btn-danger:hover{background:rgba(255,51,102,.25)}
.btn-success{background:rgba(0,255,136,.12);color:var(--accent-green);border:1px solid rgba(0,255,136,.3)}
.btn-sm{padding:8px 16px;font-size:.85rem}
.btn-lg{padding:16px 32px;font-size:1.05rem}
.btn-block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}

/* DASHBOARD LAYOUT */
.dashboard-layout{display:grid;grid-template-columns:260px 1fr;min-height:100vh;position:relative;z-index:1}
.sidebar{background:var(--bg-card);border-right:1px solid var(--border);padding:24px 0;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto}
.sidebar-logo{display:flex;align-items:center;gap:10px;padding:0 24px 28px;border-bottom:1px solid var(--border);margin-bottom:16px}
.sidebar-logo .logo-mark{width:36px;height:36px;background:linear-gradient(135deg,var(--accent),var(--accent-green));border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;color:var(--bg-void);font-family:var(--font-mono)}
.sidebar-logo span{font-size:1.25rem;font-weight:800;letter-spacing:-.3px}
.sidebar-nav{list-style:none;flex:1}
.sidebar-nav li a,.sidebar-nav li button{display:flex;align-items:center;gap:12px;padding:12px 24px;color:var(--text-secondary);font-size:.95rem;font-weight:500;transition:all .15s;width:100%;background:none;border:none;cursor:pointer;font-family:var(--font-display);text-align:left}
.sidebar-nav li a:hover,.sidebar-nav li button:hover{color:var(--text-primary);background:var(--bg-hover)}
.sidebar-nav li a.active{color:var(--accent);background:var(--accent-glow);border-right:2px solid var(--accent)}
.sidebar-nav li a .nav-icon,.sidebar-nav li button .nav-icon{width:20px;text-align:center;font-size:1.1rem}
.sidebar-section-label{padding:20px 24px 8px;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:var(--text-muted);font-family:var(--font-mono)}
.sidebar-footer{padding:16px 24px;border-top:1px solid var(--border);margin-top:auto}
.sidebar-user{display:flex;align-items:center;gap:10px}
.sidebar-user .avatar{width:34px;height:34px;border-radius:50%;background:var(--bg-elevated);display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:700;color:var(--accent);border:1px solid var(--border-accent)}
.sidebar-user .user-info{flex:1;min-width:0}
.sidebar-user .user-email{font-size:.82rem;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar-user .user-role{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--accent-green);font-family:var(--font-mono)}

/* MAIN */
.main-content{padding:32px 40px;overflow-y:auto;max-width:1400px}
.page-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:32px;flex-wrap:wrap;gap:16px}
.page-header h2{font-size:1.8rem;font-weight:800;letter-spacing:-.5px}
.page-header .breadcrumb{font-size:.78rem;color:var(--text-muted);font-family:var(--font-mono);margin-top:4px}

/* STAT CARDS */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:32px}
.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px 24px;position:relative;overflow:hidden;transition:border-color .2s}
.stat-card:hover{border-color:var(--border-accent)}
.stat-card .stat-label{font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:1.2px;color:var(--text-muted);font-family:var(--font-mono);margin-bottom:10px}
.stat-card .stat-value{font-size:2rem;font-weight:800;letter-spacing:-1px;line-height:1}
.stat-card .stat-sub{font-size:.82rem;color:var(--text-secondary);margin-top:6px}
.stat-card.accent-cyan .stat-value{color:var(--accent)}
.stat-card.accent-green .stat-value{color:var(--accent-green)}
.stat-card.accent-orange .stat-value{color:var(--accent-orange)}
.stat-card.accent-purple .stat-value{color:var(--accent-purple)}
.stat-card.accent-red .stat-value{color:var(--accent-red)}
.stat-card.accent-yellow .stat-value{color:var(--accent-yellow)}

/* CARDS & PANELS */
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;margin-bottom:24px}
.card-header{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;border-bottom:1px solid var(--border)}
.card-header h3{font-size:1.1rem;font-weight:700;letter-spacing:-.2px}
.card-body{padding:24px}
.card-body.no-pad{padding:0}

/* TABLES */
.data-table{width:100%;border-collapse:collapse}
.data-table thead th{padding:12px 16px;text-align:left;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:1.2px;color:var(--text-muted);font-family:var(--font-mono);background:var(--bg-primary);border-bottom:1px solid var(--border)}
.data-table tbody td{padding:14px 16px;font-size:.9rem;border-bottom:1px solid var(--border);vertical-align:middle}
.data-table tbody tr:hover{background:var(--bg-hover)}
.data-table tbody tr:last-child td{border-bottom:none}

/* STATUS BADGES */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:20px;font-size:.78rem;font-weight:600;font-family:var(--font-mono);letter-spacing:.3px}
.badge::before{content:'';width:7px;height:7px;border-radius:50%}
.badge-online{background:rgba(0,255,136,.1);color:var(--accent-green)}.badge-online::before{background:var(--accent-green);box-shadow:0 0 8px var(--accent-green)}
.badge-offline{background:rgba(74,85,104,.15);color:var(--text-muted)}.badge-offline::before{background:var(--text-muted)}
.badge-error{background:rgba(255,51,102,.1);color:var(--accent-red)}.badge-error::before{background:var(--accent-red);box-shadow:0 0 8px var(--accent-red)}
.badge-rate_limited,.badge-rate-limited{background:rgba(255,214,0,.1);color:var(--accent-yellow)}.badge-rate_limited::before,.badge-rate-limited::before{background:var(--accent-yellow)}
.badge-disabled{background:rgba(74,85,104,.1);color:var(--text-muted)}.badge-disabled::before{background:var(--text-muted)}
.badge-active{background:rgba(0,255,136,.1);color:var(--accent-green)}.badge-active::before{background:var(--accent-green)}
.badge-pending{background:rgba(0,240,255,.1);color:var(--accent)}.badge-pending::before{background:var(--accent);animation:pulse 1.5s infinite}
.badge-queued{background:rgba(0,240,255,.1);color:var(--accent)}.badge-queued::before{background:var(--accent);animation:pulse 1.5s infinite}
.badge-running{background:rgba(168,85,247,.1);color:var(--accent-purple)}.badge-running::before{background:var(--accent-purple);animation:pulse 1s infinite}
.badge-done{background:rgba(0,255,136,.1);color:var(--accent-green)}.badge-done::before{background:var(--accent-green)}
.badge-failed{background:rgba(255,51,102,.1);color:var(--accent-red)}.badge-failed::before{background:var(--accent-red)}
.badge-invalid{background:rgba(255,51,102,.1);color:var(--accent-red)}.badge-invalid::before{background:var(--accent-red)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}

/* HEALTH BAR */
.health-bar{width:80px;height:6px;background:var(--bg-primary);border-radius:3px;overflow:hidden;display:inline-block;vertical-align:middle;margin-left:8px}
.health-bar-fill{height:100%;border-radius:3px;transition:width .3s}
.health-high{background:var(--accent-green)}
.health-mid{background:var(--accent-yellow)}
.health-low{background:var(--accent-red)}

/* MODALS */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.7);backdrop-filter:blur(4px);z-index:1000;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:all .25s}
.modal-overlay.active{opacity:1;visibility:visible}
.modal{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);padding:36px;width:100%;max-width:520px;max-height:90vh;overflow-y:auto;transform:translateY(20px);transition:transform .25s}
.modal-overlay.active .modal{transform:translateY(0)}
.modal h3{font-size:1.3rem;font-weight:700;margin-bottom:8px}
.modal .modal-subtitle{color:var(--text-secondary);font-size:.9rem;margin-bottom:28px}
.modal-actions{display:flex;gap:12px;margin-top:28px;justify-content:flex-end}

/* TOAST */
.toast-container{position:fixed;top:20px;right:20px;z-index:2000;display:flex;flex-direction:column;gap:10px}
.toast{padding:14px 20px;border-radius:var(--radius);font-size:.9rem;font-weight:500;background:var(--bg-elevated);border:1px solid var(--border);color:var(--text-primary);box-shadow:var(--shadow-card);animation:slideIn .3s ease;min-width:280px}
.toast-success{border-left:3px solid var(--accent-green);background:rgba(0,255,136,.05)}
.toast-error{border-left:3px solid var(--accent-red);background:rgba(255,51,102,.05)}
.toast-info{border-left:3px solid var(--accent);background:rgba(0,240,255,.05)}
@keyframes slideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}

/* NODE CARD */
.node-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px 24px;transition:all .2s;cursor:default}
.node-card:hover{border-color:var(--border-accent);box-shadow:var(--shadow-glow)}
.node-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.node-card-header .node-name{font-size:1.05rem;font-weight:700;display:flex;align-items:center;gap:10px}
.node-card-header .node-id{font-size:.75rem;color:var(--text-muted);font-family:var(--font-mono)}
.node-card-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.node-card-stat{text-align:center}
.node-card-stat .val{font-size:1.2rem;font-weight:700;font-family:var(--font-mono)}
.node-card-stat .lbl{font-size:.7rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-top:2px}
.node-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:20px;margin-bottom:32px}

/* LOADING */
.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .6s linear infinite;display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}
.loading-overlay{position:absolute;inset:0;background:rgba(7,8,10,.8);display:flex;align-items:center;justify-content:center;z-index:10;border-radius:inherit}
.skeleton{background:linear-gradient(90deg,var(--bg-elevated) 25%,var(--bg-hover) 50%,var(--bg-elevated) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-sm);height:16px}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* EMPTY STATE */
.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}
.empty-state .empty-icon{font-size:3rem;margin-bottom:16px;opacity:.4}
.empty-state h4{color:var(--text-secondary);font-size:1.1rem;margin-bottom:8px}
.empty-state p{font-size:.9rem;max-width:400px;margin:0 auto 20px}

/* RESPONSIVE */
@media(max-width:900px){
    .dashboard-layout{grid-template-columns:1fr}
    .sidebar{display:none}
    .main-content{padding:20px}
    .stats-grid{grid-template-columns:repeat(2,1fr)}
    .node-grid{grid-template-columns:1fr}
}
@media(max-width:600px){
    .stats-grid{grid-template-columns:1fr}
    .auth-box{padding:32px 24px;margin:16px}
    .page-header{flex-direction:column}
}

/* SCROLLBAR */
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:var(--bg-void)}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}

/* MISC */
.mono{font-family:var(--font-mono)}.text-accent{color:var(--accent)}.text-green{color:var(--accent-green)}.text-red{color:var(--accent-red)}.text-yellow{color:var(--accent-yellow)}.text-muted{color:var(--text-muted)}.text-secondary{color:var(--text-secondary)}
.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mb-1{margin-bottom:8px}.mb-2{margin-bottom:16px}.mb-3{margin-bottom:24px}
.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-1{gap:8px}.gap-2{gap:16px}.gap-3{gap:24px}
.hidden{display:none!important}
.truncate{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}