:root{
  --bg:#080a14; --bg-soft:#0d1020; --panel:#11142240; --panel-solid:#12142a;
  --panel-border:rgba(255,255,255,.08); --panel-border-strong:rgba(255,255,255,.16);
  --blue:#2e82fd; --purple:#8961f8; --purple-mid:#634af8;
  --text:#f5f6fb; --muted:#8d93b0; --muted-2:#6a7093;
  --danger:#ff5d7a; --danger-bg:#3a1420; --success:#3ddc97; --success-bg:#0f3327;
  --radius:16px; --radius-sm:10px;
  --grad: linear-gradient(135deg, var(--blue), var(--purple));
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;font-family:'Inter',system-ui,Segoe UI,Arial,sans-serif;color:var(--text);
  background:
    radial-gradient(circle at 14% -6%, rgba(46,130,253,.25), transparent 45%),
    radial-gradient(circle at 88% 0%, rgba(137,97,248,.22), transparent 40%),
    var(--bg);
  background-attachment:fixed;
}
#app{min-height:100vh;display:flex;flex-direction:column}
a{color:inherit}
::selection{background:var(--purple-mid);color:#fff}

/* ---------- Auth ---------- */
.center-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.auth-card{
  background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  border:1px solid var(--panel-border);border-radius:24px;padding:40px;max-width:440px;width:100%;
  box-shadow:0 40px 100px rgba(0,0,0,.55);backdrop-filter:blur(20px);
}
.auth-card .brand-mark{display:flex;justify-content:center;margin-bottom:22px}
.auth-card .brand-mark img{height:32px}
.auth-card h1{font-size:1.25rem;margin:0 0 4px;text-align:center;font-weight:700}
.auth-card p.sub{color:var(--muted);margin:0 0 26px;font-size:.87rem;text-align:center}
.field{margin-bottom:16px}
.field label{display:block;font-size:.78rem;color:var(--muted);margin-bottom:7px;font-weight:600;letter-spacing:.2px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:var(--radius-sm);border:1px solid var(--panel-border);
  background:rgba(255,255,255,.03);color:var(--text);font-size:.92rem;font-family:inherit;transition:.15s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(46,130,253,.18)}
.field input::placeholder{color:var(--muted-2)}
.btn{cursor:pointer;border:none;border-radius:var(--radius-sm);padding:12px 18px;font-weight:700;font-size:.9rem;transition:.15s;font-family:inherit}
.btn-primary{background:var(--grad);color:#fff;width:100%;box-shadow:0 10px 30px rgba(99,74,248,.35)}
.btn-primary:hover{filter:brightness(1.1);transform:translateY(-1px)}
.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}
.btn-ghost{background:rgba(255,255,255,.04);color:var(--text);border:1px solid var(--panel-border)}
.btn-ghost:hover{background:rgba(255,255,255,.08)}
.btn-danger{background:var(--danger);color:#fff}
.btn-sm{padding:8px 13px;font-size:.8rem}
.btn-block{width:100%}
.error-msg{background:var(--danger-bg);border:1px solid #7a2b3a;color:#ffb4c0;padding:11px 13px;border-radius:var(--radius-sm);font-size:.83rem;margin-bottom:15px}
.ok-msg{background:var(--success-bg);border:1px solid #1f6b4d;color:#a9f4d4;padding:11px 13px;border-radius:var(--radius-sm);font-size:.83rem;margin-bottom:15px}
.switch-link{text-align:center;margin-top:20px;font-size:.83rem;color:var(--muted)}
.switch-link button{background:none;border:none;color:var(--blue);cursor:pointer;font-size:.83rem;font-weight:600}

/* ---------- Shell ---------- */
.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 26px;background:rgba(13,16,32,.75);border-bottom:1px solid var(--panel-border);backdrop-filter:blur(16px);position:sticky;top:0;z-index:20}
.topbar-left{display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{height:22px}
.promo-switch{position:relative}
.promo-switch-btn{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.04);border:1px solid var(--panel-border);padding:8px 14px;border-radius:30px;cursor:pointer;color:var(--text);font-size:.83rem;font-weight:600}
.promo-switch-btn .status-dot{width:8px;height:8px;border-radius:50%;background:var(--success)}
.promo-switch-btn .status-dot.paused{background:#f5b942}
.promo-switch-btn .status-dot.ended{background:var(--muted-2)}
.promo-dropdown{position:absolute;top:calc(100% + 8px);left:0;background:var(--panel-solid);border:1px solid var(--panel-border-strong);border-radius:14px;min-width:280px;box-shadow:0 30px 70px rgba(0,0,0,.5);overflow:hidden;z-index:30}
.promo-dropdown .promo-item{padding:12px 16px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:.85rem;border-bottom:1px solid var(--panel-border)}
.promo-dropdown .promo-item:hover{background:rgba(255,255,255,.05)}
.promo-dropdown .promo-item.active{background:rgba(46,130,253,.12)}
.promo-dropdown .promo-new{padding:12px 16px;color:var(--blue);font-weight:600;cursor:pointer;font-size:.85rem}
.topbar .who{color:var(--muted);font-size:.83rem;display:flex;align-items:center;gap:12px}
.layout{display:flex;flex:1;min-height:0}
.sidebar{width:236px;background:rgba(13,16,32,.5);border-right:1px solid var(--panel-border);padding:18px 12px;flex-shrink:0}
.sidebar .group-label{font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted-2);padding:14px 14px 6px;font-weight:700}
.sidebar button{display:flex;align-items:center;gap:10px;width:100%;text-align:left;background:none;border:none;color:var(--muted);padding:11px 14px;border-radius:11px;cursor:pointer;font-size:.87rem;margin-bottom:3px;font-family:inherit;font-weight:500}
.sidebar button:hover{background:rgba(255,255,255,.04);color:var(--text)}
.sidebar button.active{background:linear-gradient(135deg, rgba(46,130,253,.18), rgba(137,97,248,.18));color:#fff;font-weight:700;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08)}
.content{flex:1;padding:32px;overflow:auto}
.content h2{margin:0 0 4px;font-size:1.4rem;font-weight:800}
.content .page-sub{color:var(--muted);font-size:.87rem;margin-bottom:26px}

/* ---------- Cards / stats ---------- */
.grid-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin:0 0 28px}
.stat-card{background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));border:1px solid var(--panel-border);border-radius:var(--radius);padding:20px}
.stat-card .num{font-size:2rem;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-card .label{color:var(--muted);font-size:.8rem;margin-top:6px;font-weight:500}
table{width:100%;border-collapse:collapse;background:rgba(255,255,255,.02);border-radius:var(--radius);overflow:hidden;border:1px solid var(--panel-border)}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--panel-border);font-size:.84rem}
th{color:var(--muted);font-weight:700;background:rgba(255,255,255,.03);font-size:.72rem;text-transform:uppercase;letter-spacing:.06em}
tr:last-child td{border-bottom:none}
.panel{background:linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.015));border:1px solid var(--panel-border);border-radius:var(--radius);padding:22px;margin-bottom:22px}
.panel h3{margin:0 0 4px;font-size:1rem;font-weight:700}
.panel .panel-sub{color:var(--muted);font-size:.8rem;margin-bottom:16px}
.row{display:flex;gap:14px;flex-wrap:wrap}
.row>.field{flex:1;min-width:170px}
.field-list-item{display:flex;gap:8px;align-items:center;background:rgba(255,255,255,.03);border:1px solid var(--panel-border);border-radius:var(--radius-sm);padding:10px;margin-bottom:8px}
.field-list-item input[type=text]{flex:1}
.chip{display:inline-block;padding:4px 11px;border-radius:20px;font-size:.72rem;font-weight:700;background:rgba(255,255,255,.06);border:1px solid var(--panel-border)}
.chip.on{background:var(--success-bg);color:var(--success);border-color:#1f6b4d}
.chip.off{background:var(--danger-bg);color:#ff8fa3;border-color:#7a2b3a}
.chip.warn{background:#3a2c0f;color:#f5c96a;border-color:#7a5a1f}
.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;gap:12px;flex-wrap:wrap}
.prize-card{display:flex;justify-content:space-between;align-items:center;background:rgba(255,255,255,.03);border:1px solid var(--panel-border);border-radius:var(--radius-sm);padding:14px 16px;margin-bottom:10px}
.prize-card img{width:44px;height:44px;object-fit:cover;border-radius:8px;margin-right:12px}
.prize-card .meta{color:var(--muted);font-size:.78rem;margin-top:4px}
.copy-box{display:flex;gap:8px;align-items:center;justify-content:space-between;background:rgba(255,255,255,.03);border:1px dashed var(--panel-border-strong);border-radius:var(--radius-sm);padding:11px 14px;font-family:'SF Mono',monospace;font-size:.83rem;word-break:break-all}
.tabs-sub{display:flex;gap:8px;margin-bottom:20px;flex-wrap:wrap}
.tabs-sub button{background:rgba(255,255,255,.03);border:1px solid var(--panel-border);color:var(--muted);padding:9px 16px;border-radius:30px;cursor:pointer;font-size:.82rem;font-weight:600;font-family:inherit}
.tabs-sub button.active{background:var(--grad);color:#fff;border-color:transparent}

/* Upload widget */
.upload-box{border:1.5px dashed var(--panel-border-strong);border-radius:var(--radius-sm);padding:18px;text-align:center;cursor:pointer;background:rgba(255,255,255,.02);transition:.15s}
.upload-box:hover{border-color:var(--blue);background:rgba(46,130,253,.05)}
.upload-box img{max-height:70px;max-width:100%;border-radius:8px;margin-bottom:8px}
.upload-box .hint{color:var(--muted);font-size:.78rem}
.color-swatch-row{display:flex;gap:10px;align-items:center}
.color-swatch-row input[type=color]{width:44px;height:38px;border-radius:8px;border:1px solid var(--panel-border);background:none;padding:2px;cursor:pointer}
.color-swatch-row input[type=text]{flex:1}

/* Charts (hand-rolled SVG) */
.chart-wrap{background:rgba(255,255,255,.02);border-radius:var(--radius-sm);padding:16px;overflow-x:auto}
.bar-label{fill:var(--muted);font-size:10px;font-family:'Inter',sans-serif}
.bar-value{fill:var(--text);font-size:11px;font-weight:700;font-family:'Inter',sans-serif}

/* Modal */
.modal-backdrop{position:fixed;inset:0;background:rgba(3,4,10,.7);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:50;padding:20px}
.modal{background:var(--panel-solid);border:1px solid var(--panel-border-strong);border-radius:20px;padding:28px;max-width:460px;width:100%;box-shadow:0 40px 100px rgba(0,0,0,.6)}
.modal h3{margin-top:0}

.empty-state{color:var(--muted);font-size:.85rem;text-align:center;padding:30px 10px}