:root{
  --bg:#080b12;
  --panel:#0f1522;
  --panel-2:#111a2b;
  --border:#1f2a3e;
  --text:#f6f8fc;
  --muted:#9fb0cc;
  --primary:#1e73ff;
  --primary-2:#2897ff;
  --teal:#16c6b7;
  --danger:#e25858;
  --danger-soft:#3c1a1f;
  --warning:#f1b64c;
  --warning-soft:#3f3216;
  --success:#2acc7c;
  --success-soft:#173926;
  --shadow:0 16px 40px rgba(0,0,0,.32);
  --radius:18px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
button,input,select,textarea{font:inherit}
body{min-height:100vh}
.app-shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh}
.sidebar{background:linear-gradient(180deg,#0b1018,#0a0f17);border-right:1px solid var(--border);padding:22px 18px;position:sticky;top:0;height:100vh}
.sidebar-logo{display:flex;justify-content:center;align-items:center;padding:8px 0 24px}
.sidebar-logo img{width:84px;height:84px;object-fit:contain}
.sidebar-nav{display:flex;flex-direction:column;gap:10px}
.nav-item{display:flex;align-items:center;gap:12px;padding:14px 14px;border-radius:14px;color:var(--muted);border:1px solid transparent}
.nav-item:hover,.nav-item.active{background:linear-gradient(180deg,#111b2b,#101826);border-color:#274064;color:#fff}
.content-shell{display:flex;flex-direction:column;min-width:0}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:22px 28px;border-bottom:1px solid var(--border);background:rgba(8,11,18,.94);backdrop-filter:blur(12px);position:sticky;top:0;z-index:20}
.topbar-title{font-size:28px;font-weight:800;letter-spacing:-.02em}
.topbar-actions{display:flex;align-items:center;gap:12px}
.clock-box{padding:12px 16px;border:1px solid var(--border);background:var(--panel);border-radius:14px;font-weight:700;min-width:130px;text-align:center}
.page-body{padding:24px 28px}
.page-card,.upload-card,.login-card,.error-card{background:linear-gradient(180deg,var(--panel),var(--panel-2));border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.page-card{padding:20px}
.narrow-card{max-width:760px}
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:16px}
.toolbar-search,.toolbar-select,.form-input,.form-textarea{width:100%;background:#0a1020;border:1px solid #26344f;color:#fff;border-radius:14px;padding:14px 16px;outline:none}
.toolbar-search{max-width:340px}
.toolbar-right{display:flex;gap:12px;flex-wrap:wrap}
.table-wrap{overflow:auto;border:1px solid var(--border);border-radius:18px}
.premium-table{width:100%;border-collapse:collapse;table-layout:fixed;min-width:1180px;background:#0b1120}
.premium-table thead th{background:#10192d;color:#eef4ff;font-size:14px;text-align:left;padding:16px 14px;border-bottom:1px solid #253553;position:sticky;top:0;z-index:1}
.premium-table tbody td{padding:14px;border-bottom:1px solid rgba(37,53,83,.75);vertical-align:middle;color:#e8edf8;font-size:14px}
.premium-table tbody tr:hover{background:#0f1830}
.premium-table .w-check{width:48px;text-align:center}
.premium-table .w-serial{width:56px;text-align:center}
.premium-table .w-phone{width:150px}
.premium-table .w-user{width:130px}
.premium-table .w-phstatus{width:150px}
.premium-table .w-message{width:320px}
.premium-table .w-link{width:140px;text-align:center}
.premium-table .w-acstatus{width:150px;text-align:center}
.premium-table .w-time{width:110px;text-align:center}
.premium-table .w-action{width:150px;text-align:center}
.message-cell{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden;line-height:1.45;word-break:break-word;overflow-wrap:anywhere}
.status-dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:8px;vertical-align:middle}
.status-live{background:var(--success);box-shadow:0 0 0 rgba(42,204,124,.6);animation:pulseLive 1.4s infinite}
.status-off{background:var(--danger)}
.badge{display:inline-flex;align-items:center;justify-content:center;padding:8px 12px;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
.badge-warning{background:var(--warning-soft);color:#ffd27a}
.badge-primary{background:#16294f;color:#89b7ff}
.badge-success{background:var(--success-soft);color:#8cf1bb}
.badge-danger{background:var(--danger-soft);color:#ff9ea5}
.action-group{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.btn{border:0;border-radius:14px;padding:12px 16px;font-weight:700;cursor:pointer;transition:.2s ease}
.btn-sm{padding:10px 14px;border-radius:12px}
.btn-lg{padding:14px 18px}
.btn-xs{padding:8px 12px;border-radius:10px;background:#12203b;color:#d8e7ff}
.btn-outline{background:#0f1522;color:#dbe8ff;border:1px solid #2a3c5d}
.btn-primary{background:linear-gradient(180deg,var(--primary-2),var(--primary));color:#fff;box-shadow:0 8px 22px rgba(30,115,255,.28)}
.btn-danger{background:linear-gradient(180deg,#ff7373,#e25858);color:#fff}
.btn-warning-soft{background:#3a2d13;color:#ffcf73}
.btn-danger-soft{background:#361920;color:#ffb2b2}
.btn-link-copy{background:#153459;color:#cde0ff;padding:10px 14px;border-radius:12px}
.login-screen,.error-screen{min-height:100vh;display:grid;place-items:center;padding:24px}
.login-card,.error-card{width:min(100%,520px);padding:30px}
.login-logo,.error-logo{display:flex;justify-content:center;margin-bottom:16px}
.login-logo img,.error-logo{width:88px}
.login-title{margin:0 0 8px;font-size:32px;text-align:center;line-height:1.15}
.login-subtitle,.error-card p{text-align:center;color:var(--muted);margin:0 0 22px}
.login-form{display:flex;flex-direction:column;gap:12px}
.login-form label,.field-label{font-size:14px;font-weight:700;color:#d7e4ff;margin:6px 0 8px}
.form-error{background:#32171d;color:#ffb6be;border:1px solid #5d2631;padding:12px 14px;border-radius:12px}
.stats-layout{display:flex;flex-direction:column;gap:20px}
.stats-hero{display:grid;grid-template-columns:320px 1fr;gap:20px}
.donut-card{display:grid;place-items:center;padding:24px;background:linear-gradient(180deg,var(--panel),var(--panel-2));border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.donut-ring{width:230px;height:230px;border-radius:50%;background:conic-gradient(var(--primary) 0 68%, #182338 68% 100%);display:grid;place-items:center;position:relative}
.donut-ring::after{content:"";position:absolute;inset:22px;border-radius:50%;background:var(--panel)}
.donut-center{position:relative;z-index:1;text-align:center}
.donut-center span{display:block;font-size:44px;font-weight:900}
.donut-center small{display:block;color:var(--muted)}
.stats-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.stat-card{background:linear-gradient(180deg,var(--panel),var(--panel-2));border:1px solid var(--border);border-radius:18px;padding:18px;box-shadow:var(--shadow)}
.stat-card span{display:block;color:var(--muted);margin-bottom:8px}
.stat-card strong{font-size:32px}
.json-two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.json-stats{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}
.pill{padding:12px 16px;border-radius:999px;border:1px solid var(--border);font-weight:700}
.pill.success{color:#82f0b2}
.pill.danger{color:#ff9ea5}
.footer-actions{display:flex;justify-content:flex-end;margin-top:18px}
.upload-shell{display:grid;place-items:center;min-height:calc(100vh - 190px)}
.upload-card{padding:28px;width:min(100%,520px);text-align:center}
.upload-logo{width:74px;margin:0 auto 12px}
.upload-file{display:block;width:100%;margin:16px 0;padding:18px;border-radius:14px;background:#0a1020;border:1px dashed #335081;color:#fff}
.error-card{text-align:center}
@keyframes pulseLive{0%{transform:scale(1);box-shadow:0 0 0 0 rgba(42,204,124,.55)}70%{transform:scale(1.08);box-shadow:0 0 0 12px rgba(42,204,124,0)}100%{transform:scale(1);box-shadow:0 0 0 0 rgba(42,204,124,0)}}
@media (max-width:1200px){.stats-hero{grid-template-columns:1fr}.json-two-col{grid-template-columns:1fr}}
@media (max-width:980px){.app-shell{grid-template-columns:1fr}.sidebar{position:relative;height:auto}.topbar{padding:18px}.page-body{padding:18px}}
@media (max-width:640px){.topbar{flex-direction:column;align-items:flex-start;gap:12px}.topbar-actions{width:100%;flex-wrap:wrap}.toolbar{flex-direction:column;align-items:stretch}.toolbar-search{max-width:none}.footer-actions{justify-content:stretch}.footer-actions .btn{width:100%}}