:root{
  --wa:#25D366; --wa-dark:#128C7E; --wa-deep:#075E54;
  --ink:#0f1b21; --muted:#6b7c85; --line:#e4eaed; --bg:#f4f7f8; --card:#fff;
  --warn:#f0a202; --ok:#1a9c5b;
  --radius:12px; --shadow:0 1px 3px rgba(15,27,33,.08),0 6px 18px rgba(15,27,33,.05);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
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:1.45;
  -webkit-text-size-adjust:100%;
}
a{color:inherit}

/* ---------- login ---------- */
.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh;
  background:linear-gradient(160deg,var(--wa-deep),#0f1b21);padding:20px}
.login-card{background:var(--card);width:100%;max-width:380px;padding:32px 28px;
  border-radius:16px;box-shadow:0 20px 50px rgba(0,0,0,.28);text-align:center}
.login-logo{width:62px;height:62px;margin:0 auto 14px;border-radius:50%;
  background:var(--wa);color:#fff;display:flex;align-items:center;justify-content:center}
.login-card h1{font-size:21px;margin:0 0 4px}
.login-sub{margin:0 0 22px;color:var(--muted);font-size:13px}
.login-card label{display:block;text-align:left;font-size:12px;font-weight:600;
  text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:14px 0 6px}
.login-card input{width:100%;padding:12px 14px;border:1px solid var(--line);
  border-radius:10px;font-size:16px;background:#fbfdfd}
.login-card input:focus{outline:none;border-color:var(--wa);box-shadow:0 0 0 3px rgba(37,211,102,.15)}
.btn-primary{width:100%;margin-top:22px;padding:13px;border:0;border-radius:10px;
  background:var(--wa);color:#fff;font-size:16px;font-weight:600;cursor:pointer}
.btn-primary:hover{background:var(--wa-dark)}
.alert{background:#fdecec;color:#b3261e;border:1px solid #f6c9c6;
  padding:10px 12px;border-radius:9px;font-size:13.5px;margin-bottom:6px}

/* ---------- topbar ---------- */
.topbar{background:var(--wa-deep);color:#fff;display:flex;align-items:center;
  justify-content:space-between;padding:11px 16px;position:sticky;top:0;z-index:30}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{width:34px;height:34px;border-radius:9px;background:var(--wa);
  display:flex;align-items:center;justify-content:center;color:#fff;flex:none}
.brand strong{display:block;font-size:15px;line-height:1.1}
.brand small{color:rgba(255,255,255,.68);font-size:11.5px}
.logout{color:#fff;text-decoration:none;font-size:13px;padding:7px 13px;
  border:1px solid rgba(255,255,255,.35);border-radius:20px}
.logout:hover{background:rgba(255,255,255,.12)}

/* ---------- tabs ---------- */
.tabs{display:flex;gap:6px;background:#fff;border-bottom:1px solid var(--line);
  padding:0 10px;overflow-x:auto;position:sticky;top:56px;z-index:25;
  -webkit-overflow-scrolling:touch;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{display:flex;align-items:center;gap:7px;padding:13px 14px;text-decoration:none;
  color:var(--muted);font-size:14px;font-weight:600;white-space:nowrap;
  border-bottom:3px solid transparent}
.tab-icon{width:21px;height:21px;border-radius:50%;background:var(--line);color:#54646d;
  display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;flex:none}
.tab.active{color:var(--wa-deep);border-bottom-color:var(--wa)}
.tab.active .tab-icon{background:var(--wa);color:#fff}
.tab-count{background:var(--bg);border-radius:20px;padding:1px 8px;font-size:12px;color:var(--muted)}
.tab.active .tab-count{background:rgba(37,211,102,.14);color:var(--wa-dark)}

/* ---------- layout ---------- */
.wrap{max-width:1080px;margin:0 auto;padding:16px 14px 70px}
.note{background:#fff8e6;border:1px solid #f5e3b3;color:#7a5b00;padding:11px 14px;
  border-radius:10px;font-size:13.5px;margin-bottom:14px}

/* ---------- promo code box ---------- */
.promo-box{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--wa);
  border-radius:var(--radius);padding:14px 16px;margin-bottom:14px;box-shadow:var(--shadow)}
.promo-box.promo-missing{border-left-color:var(--warn);background:#fffdf6}
.promo-head{display:flex;gap:11px;align-items:flex-start;margin-bottom:11px}
.promo-icon{font-size:21px;line-height:1}
.promo-head strong{display:block;font-size:14.5px}
.promo-head small{display:block;color:var(--muted);font-size:12.5px;margin-top:2px}
.promo-form{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.promo-form input{flex:0 1 260px;padding:11px 13px;border:1px solid var(--line);border-radius:10px;
  font-size:16px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;background:#fbfdfd}
.promo-form input:focus{outline:none;border-color:var(--wa);box-shadow:0 0 0 3px rgba(37,211,102,.15)}
.btn-save{padding:11px 18px;border:0;border-radius:10px;background:var(--wa-deep);color:#fff;
  font-size:14.5px;font-weight:600;cursor:pointer}
.btn-save:hover{background:var(--wa-dark)}
.btn-save:disabled{opacity:.55;cursor:default}
.promo-status{font-size:13px;color:var(--muted)}
.promo-status strong{color:var(--wa-dark)}
.promo-status.err{color:#b3261e}
.promo-status.saved{color:var(--ok)}
.promo-tag{display:block;color:var(--muted);font-size:11.5px}
.wa-btn.wa-disabled{background:#c9d3d8;box-shadow:none;cursor:not-allowed;padding:8px 16px}
.wa-btn.wa-disabled:hover{background:#c9d3d8;transform:none}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;
  justify-content:space-between;margin-bottom:12px}
.search{display:flex;gap:7px;flex:1;min-width:240px}
.search input{flex:1;padding:10px 13px;border:1px solid var(--line);border-radius:10px;
  font-size:15px;background:#fff}
.search input:focus{outline:none;border-color:var(--wa);box-shadow:0 0 0 3px rgba(37,211,102,.13)}
.btn-ghost{padding:10px 14px;border:1px solid var(--line);background:#fff;border-radius:10px;
  font-size:14px;cursor:pointer;text-decoration:none;color:var(--ink);display:inline-flex;align-items:center}
.btn-ghost:hover{border-color:var(--wa);color:var(--wa-dark)}
.perpage label{font-size:13px;color:var(--muted)}
.perpage select{padding:9px 10px;border:1px solid var(--line);border-radius:10px;
  background:#fff;font-size:14px}
.result-line{font-size:13.5px;color:var(--muted);margin:0 0 10px}

/* ---------- table ---------- */
.table-wrap{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.grid{width:100%;border-collapse:collapse}
.grid thead th{background:#fafcfc;text-align:left;font-size:11.5px;text-transform:uppercase;
  letter-spacing:.05em;color:var(--muted);padding:11px 12px;border-bottom:1px solid var(--line)}
.grid td{padding:11px 12px;border-bottom:1px solid #f0f4f5;vertical-align:middle}
.grid tbody tr:last-child td{border-bottom:0}
.grid tbody tr:hover{background:#fbfefc}
.col-n{width:56px;color:var(--muted);font-variant-numeric:tabular-nums;font-size:13px}
.col-mob{width:170px}
.col-meta{width:150px}
.col-act{width:130px;text-align:right}
.cname{display:block;font-weight:600;font-size:14.5px}
.dup{display:inline-block;background:#eef3f5;color:#5b6d76;border-radius:20px;
  padding:0 7px;font-size:11px;font-weight:700;vertical-align:middle;margin-left:4px}
.cmail{display:block;font-size:12.5px;color:var(--muted);text-decoration:none;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:330px}
.cmail:hover{color:var(--wa-dark)}
.tel{display:block;font-weight:600;font-size:14.5px;text-decoration:none;
  font-variant-numeric:tabular-nums}
.col-mob small{color:var(--muted);font-size:12px}
.pill{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11.5px;font-weight:600}
.pill-stage{background:rgba(37,211,102,.13);color:var(--wa-dark)}
.pill-wait{background:#fff3d6;color:#8a6100}
.pill-done{background:#e8f6ee;color:var(--ok)}
.col-meta small{display:block;color:var(--muted);font-size:11.5px;margin-top:2px}
.dash{color:#c3ced3}

/* ---------- whatsapp button ---------- */
.wa-btn{display:inline-flex;align-items:center;gap:6px;background:var(--wa);color:#fff;
  text-decoration:none;padding:8px 13px;border-radius:22px;font-size:13.5px;font-weight:600;
  box-shadow:0 2px 6px rgba(37,211,102,.35);transition:transform .12s,background .12s}
.wa-btn:hover{background:var(--wa-dark);transform:translateY(-1px)}
.wa-btn:active{transform:scale(.96)}
.preview-btn{background:none;border:1px solid var(--line);border-radius:50%;width:32px;height:32px;
  margin-left:5px;cursor:pointer;font-size:14px;line-height:1;vertical-align:middle}
.preview-btn:hover{border-color:var(--wa);background:#f3fdf7}
tr.sending{opacity:.45}
tr.sent-out{transition:opacity .35s,transform .35s;opacity:0;transform:translateX(28px)}

/* ---------- pagination ---------- */
.pager{display:flex;flex-wrap:wrap;gap:5px;align-items:center;justify-content:center;margin:18px 0 4px}
.pg{min-width:38px;height:38px;padding:0 11px;display:inline-flex;align-items:center;
  justify-content:center;background:#fff;border:1px solid var(--line);border-radius:9px;
  text-decoration:none;font-size:14px;color:var(--ink)}
.pg:hover{border-color:var(--wa);color:var(--wa-dark)}
.pg.current{background:var(--wa);border-color:var(--wa);color:#fff;font-weight:700}
.pg.disabled{color:#c3ced3;background:#fafbfb}
.pg.gap{border:0;background:none;min-width:20px}
.pg-info{width:100%;text-align:center;color:var(--muted);font-size:12.5px;margin-top:6px}

/* ---------- modal + toast ---------- */
.modal{position:fixed;inset:0;background:rgba(9,20,25,.55);display:flex;align-items:center;
  justify-content:center;padding:16px;z-index:60}
.modal[hidden]{display:none}
.modal-box{background:#fff;border-radius:14px;max-width:520px;width:100%;max-height:82vh;
  display:flex;flex-direction:column;overflow:hidden}
.modal-head{display:flex;justify-content:space-between;align-items:center;padding:13px 16px;
  border-bottom:1px solid var(--line)}
.modal-close{border:0;background:none;font-size:17px;cursor:pointer;color:var(--muted)}
.modal-msg{margin:0;padding:16px;overflow:auto;white-space:pre-wrap;word-break:break-word;
  font-family:-apple-system,"Segoe UI",Roboto,sans-serif;font-size:14px;line-height:1.5;
  background:#e5ddd5}
.toast{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);background:#0f1b21;
  color:#fff;padding:11px 16px;border-radius:11px;display:flex;align-items:center;gap:14px;
  font-size:14px;z-index:70;box-shadow:0 8px 26px rgba(0,0,0,.3);max-width:92vw}
.toast[hidden]{display:none}
.toast button{background:none;border:0;color:var(--wa);font-weight:700;cursor:pointer;font-size:14px}

/* ---------- mobile ---------- */
@media (max-width:720px){
  .tabs{top:54px}
  .tab-label{display:none}
  .tab{padding:12px 13px}
  .wrap{padding:12px 10px 80px}
  .grid thead{display:none}
  .grid,.grid tbody,.grid tr,.grid td{display:block;width:100%}
  .grid tr{position:relative;padding:12px 12px 12px 40px;border-bottom:1px solid #eef2f3}
  .grid td{border:0;padding:1px 0}
  .col-n{position:absolute;left:12px;top:13px;padding:0;font-size:12px}
  .col-mob,.col-meta,.col-act{width:auto}
  .col-mob{margin-top:5px}
  .tel{display:inline-block;margin-right:8px}
  .col-mob small{display:none}
  .col-meta{margin-top:5px}
  .col-meta small{display:inline;margin-left:6px}
  .col-act{text-align:left;margin-top:9px}
  .wa-btn{padding:10px 18px;font-size:14.5px}
  .cmail{max-width:100%}
  .toolbar{gap:8px}
  .perpage{margin-left:auto}
}