/* Threadwork WhatsApp — design system (premium SaaS) */
:root{
  --ink:#0F172A; --ink2:#334155; --mut:#64748B; --line:#E6EBE9;
  --bg:#F5F7F6; --card:#FFFFFF;
  --green:#25D366; --green-d:#128C7E; --green-dd:#0B6E62;
  --green-soft:#E7F8EF; --red:#DC2626; --red-soft:#FDECEC;
  --amber:#B45309; --amber-soft:#FDF3E3; --blue:#2563EB; --blue-soft:#E8EFFD;
  --shadow:0 1px 3px rgba(15,23,42,.06),0 8px 24px -12px rgba(15,23,42,.12);
  --r:16px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.55}
a{color:var(--green-d);text-decoration:none}
a:hover{text-decoration:underline}
.ic{width:20px;height:20px;flex:none}

/* ---------- App shell ---------- */
.sidebar{position:fixed;inset:0 auto 0 0;width:250px;background:var(--ink);color:#CBD5E1;display:flex;flex-direction:column;z-index:40;transition:transform .25s ease}
.brand{display:flex;gap:12px;align-items:center;padding:22px 20px 18px;border-bottom:1px solid rgba(255,255,255,.08)}
.brand-text strong{display:block;color:#fff;font-size:16px;line-height:1.2;letter-spacing:.2px}
.brand-text span{display:block;font-size:11px;color:#94A3B8;margin-top:2px}
.nav{padding:14px 12px;display:flex;flex-direction:column;gap:4px}
.nav a{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:10px;color:#CBD5E1;font-weight:500;font-size:14.5px}
.nav a:hover{background:rgba(255,255,255,.06);color:#fff;text-decoration:none}
.nav a.active{background:linear-gradient(90deg,rgba(37,211,102,.22),rgba(18,140,126,.18));color:#fff;box-shadow:inset 3px 0 0 var(--green)}
.nav-bottom{margin-top:auto;border-top:1px solid rgba(255,255,255,.08)}
.scrim{display:none}
.main{margin-left:250px;min-height:100vh;display:flex;flex-direction:column}
.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:14px;padding:14px 28px;background:rgba(255,255,255,.88);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topbar h1{font-size:20px;font-weight:700;letter-spacing:-.2px}
.hamburger{display:none;background:none;border:1px solid var(--line);border-radius:10px;width:40px;height:40px;font-size:18px;cursor:pointer;color:var(--ink)}
.user-chip{margin-left:auto;display:flex;align-items:center;gap:10px}
.avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--green),var(--green-d));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}
.user-meta{line-height:1.2}
.user-meta strong{display:block;font-size:14px}
.user-meta small{color:var(--mut);font-size:12px}
.page{padding:26px 28px 40px;max-width:1180px;width:100%;margin:0 auto}

/* ---------- Cards & grids ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:22px;margin-bottom:20px}
.card h3{font-size:16px;font-weight:700;margin-bottom:6px}
.card .sub{color:var(--mut);font-size:13.5px;margin-bottom:14px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}
.stat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:18px}
.stat-card .lbl{font-size:12.5px;color:var(--mut);text-transform:uppercase;letter-spacing:.6px;font-weight:600}
.stat-card .val{font-size:21px;font-weight:800;margin:6px 0 4px;letter-spacing:-.3px;word-break:break-word}
.stat-card .hint{font-size:13px;color:var(--mut)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}

/* ---------- Badges / buttons / pills ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600}
.badge::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}
.badge-green{background:var(--green-soft);color:var(--green-dd)}
.badge-gray{background:#EEF2F1;color:var(--mut)}
.badge-amber{background:var(--amber-soft);color:var(--amber)}
.badge-red{background:var(--red-soft);color:var(--red)}
.badge-blue{background:var(--blue-soft);color:var(--blue)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--green-d);color:#fff;border:none;border-radius:11px;padding:11px 20px;font-size:14.5px;font-weight:600;cursor:pointer;transition:background .15s}
.btn:hover{background:var(--green-dd);text-decoration:none;color:#fff}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-ghost{background:#fff;color:var(--ink2);border:1px solid var(--line)}
.btn-ghost:hover{background:#F1F5F4;color:var(--ink)}
.btn-sm{padding:7px 13px;font-size:13px;border-radius:9px}
.btn-block{width:100%}
.pills{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.pill{padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink2);font-size:13px;font-weight:600}
.pill:hover{text-decoration:none;border-color:var(--green-d)}
.pill.active{background:var(--ink);color:#fff;border-color:var(--ink)}

/* ---------- Tables ---------- */
.table-wrap{overflow-x:auto}
table.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th{text-align:left;color:var(--mut);font-size:12px;text-transform:uppercase;letter-spacing:.6px;padding:10px 12px;border-bottom:1px solid var(--line)}
.tbl td{padding:11px 12px;border-bottom:1px solid #EFF3F1;vertical-align:top}
.tbl tr:last-child td{border-bottom:none}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px}
.mut{color:var(--mut)} .small{font-size:13px}

/* ---------- Forms ---------- */
.form-group{margin-bottom:15px}
.form-group label{display:block;font-size:13.5px;font-weight:600;margin-bottom:6px;color:var(--ink2)}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:11px 13px;border:1px solid #D8E0DD;border-radius:11px;font-size:14.5px;background:#fff;color:var(--ink);outline:none;transition:border .15s, box-shadow .15s}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--green-d);box-shadow:0 0 0 3px rgba(37,211,102,.18)}
.form-err{background:var(--red-soft);color:var(--red);border-radius:11px;padding:11px 14px;font-size:14px;margin-bottom:15px}
.alert{border-radius:11px;padding:12px 16px;font-size:14.5px;font-weight:500;margin-bottom:18px}
.alert-success{background:var(--green-soft);color:var(--green-dd);border:1px solid #BEEBD2}
.alert-error{background:var(--red-soft);color:var(--red);border:1px solid #F5C6C6}

/* ---------- Dashboard bits ---------- */
.greet{margin-bottom:18px}
.greet h2{font-size:24px;font-weight:800;letter-spacing:-.4px}
.greet p{color:var(--mut)}
.key-box{display:flex;flex-wrap:wrap;gap:10px;align-items:center;background:#0F172A;border-radius:12px;padding:14px 16px;margin:10px 0 6px}
.key-box code{color:#A7F3D0;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;word-break:break-all;flex:1;min-width:200px}
.key-box .btn{background:rgba(255,255,255,.12);color:#fff}
.key-box .btn:hover{background:rgba(255,255,255,.22)}
.checklist{list-style:none}
.checklist li{display:flex;gap:12px;align-items:flex-start;padding:10px 0;border-bottom:1px dashed var(--line)}
.checklist li:last-child{border-bottom:none}
.check{width:26px;height:26px;flex:none;border-radius:50%;border:2px solid #CBD5E1;color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;background:#fff}
.checklist li.done .check{background:var(--green);border-color:var(--green)}
.checklist li.done .step-t{color:var(--mut);text-decoration:line-through}
.step-t{font-weight:600}
.step-d{font-size:13px;color:var(--mut)}
.empty-state{text-align:center;padding:38px 20px;color:var(--mut)}
.empty-state .big{width:74px;height:74px;margin:0 auto 14px;border-radius:24px;background:var(--green-soft);display:flex;align-items:center;justify-content:center;color:var(--green-d)}
.empty-state .big .ic{width:36px;height:36px}
.empty-state h3{color:var(--ink);margin-bottom:6px}

/* ---------- Plans ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.plan-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:22px;position:relative}
.plan-card.current{border:2px solid var(--green-d)}
.plan-card .pname{font-weight:700;font-size:15px;color:var(--ink2)}
.plan-card .price{font-size:30px;font-weight:800;margin:8px 0 2px}
.plan-card .price small{font-size:14px;color:var(--mut);font-weight:600}
.plan-card ul{list-style:none;margin:14px 0;font-size:14px;color:var(--ink2)}
.plan-card li{padding:5px 0;border-bottom:1px dashed var(--line)}
.plan-card li:last-child{border-bottom:none}
.ribbon{position:absolute;top:-11px;right:16px;background:var(--green-d);color:#fff;font-size:11px;font-weight:700;padding:3px 10px;border-radius:999px;letter-spacing:.4px}

/* ---------- Docs / code ---------- */
pre.code{background:#0F172A;color:#D1FAE5;border-radius:12px;padding:16px;overflow-x:auto;font-size:13px;line-height:1.6;margin:10px 0}
code.inline{background:#EEF4F1;border-radius:6px;padding:1px 6px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px}

/* ---------- Auth pages ---------- */
.auth-body{background:linear-gradient(135deg,#0B1220 0%,#0F172A 45%,#0B3D34 100%);min-height:100vh}
.auth-wrap{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:28px 16px}
.auth-card{background:#fff;border-radius:20px;box-shadow:0 24px 60px -18px rgba(0,0,0,.5);width:100%;max-width:430px;padding:30px 30px 26px}
.auth-card.wide{max-width:520px}
.auth-brand{text-align:center;margin-bottom:22px}
.auth-brand h2{font-size:21px;font-weight:800;margin-top:8px}
.auth-brand p{color:var(--mut);font-size:13px}
.auth-foot{color:#94A3B8;font-size:12.5px;margin-top:18px}
.auth-alt{text-align:center;margin-top:16px;font-size:14px;color:var(--mut)}

/* ---------- Pairing / QR (number.php) ---------- */
.qr-wrap{display:flex;flex-direction:column;align-items:center;gap:14px;padding:18px 10px 8px;text-align:center}
.qr-wrap img{width:264px;height:264px;max-width:80vw;border:1px solid var(--line);border-radius:12px}
.spinner{width:38px;height:38px;border-radius:50%;border:4px solid var(--green-soft);border-top-color:var(--green-d);animation:spin .9s linear infinite;margin:0 auto}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- Pagination ---------- */
.pager{display:flex;gap:8px;margin-top:16px;align-items:center}
.pager a,.pager span{padding:7px 12px;border:1px solid var(--line);border-radius:9px;background:#fff;font-size:13.5px;font-weight:600;color:var(--ink2)}
.pager span.cur{background:var(--ink);color:#fff;border-color:var(--ink)}

/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .plan-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .sidebar{transform:translateX(-100%)}
  body.nav-open .sidebar{transform:translateX(0);box-shadow:0 0 60px rgba(0,0,0,.4)}
  body.nav-open .scrim{display:block;position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:35}
  .main{margin-left:0}
  .hamburger{display:block}
  .page{padding:20px 16px 34px}
  .grid-2{grid-template-columns:1fr}
  .user-meta{display:none}
}
@media (max-width:560px){
  .stat-grid,.plan-grid{grid-template-columns:1fr}
  .topbar{padding:12px 16px}
}