/* ── Base ──────────────────────────────────────────────────── */
:root{
  --blue:#0b5cd5; --blue-dark:#0847a8; --blue-soft:#eaf1fe;
  --green:#0f9d58; --green-soft:#e6f6ed;
  --amber:#e8a317; --amber-soft:#fdf4e0;
  --red:#d93025;   --red-soft:#fce8e6;
  --ink:#12263f; --muted:#6b7c93; --line:#e3e9f0;
  --bg:#f5f7fb; --card:#fff;
  --radius:14px; --shadow:0 1px 3px rgba(18,38,63,.08),0 6px 20px rgba(18,38,63,.06);
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  background:var(--bg); color:var(--ink); font-size:15px; line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
.hidden{display:none !important}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:15px}
a{color:var(--blue)}

/* ── Login ─────────────────────────────────────────────────── */
.login-screen{
  min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;
  background:linear-gradient(135deg,#0b5cd5 0%,#0847a8 55%,#062f70 100%);
}
.login-card{
  background:#fff;border-radius:20px;padding:38px 32px;width:100%;max-width:400px;
  box-shadow:0 20px 60px rgba(0,0,0,.25);text-align:center;
}
.login-logo{font-size:44px;margin-bottom:6px}
.login-card h1{font-size:22px;font-weight:700;margin-bottom:4px}
.login-sub{color:var(--muted);font-size:14px;margin-bottom:26px}
.login-help{color:var(--muted);font-size:12.5px;margin-top:16px}

.demo-hint{
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);text-align:left;
}
.demo-hint-title{
  font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;
  letter-spacing:.6px;margin-bottom:9px;text-align:center;
}
.demo-login{
  display:block;width:100%;text-align:left;padding:10px 13px;margin-bottom:8px;
  border:1.5px solid var(--line);border-radius:10px;background:#fff;transition:all .12s;
}
.demo-login:hover{border-color:var(--blue);background:var(--blue-soft)}
.demo-login strong{display:block;font-size:14px}
.demo-login span{font-size:12px;color:var(--muted)}

.field{display:block;text-align:left;margin-bottom:16px}
.field>span{
  display:block;font-size:13px;font-weight:600;color:var(--ink);
  margin-bottom:6px;
}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;
  background:#fff;transition:border-color .15s,box-shadow .15s;color:var(--ink);
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-soft);
}
.field textarea{resize:vertical;min-height:130px;line-height:1.6}
.field .hint{display:block;font-weight:400;color:var(--muted);font-size:12px;margin-top:5px}
.field.optional>span::after{content:' (optional)';color:var(--muted);font-weight:400}

/* ── Buttons ───────────────────────────────────────────────── */
.btn{
  border:none;border-radius:10px;padding:11px 18px;font-size:14.5px;font-weight:600;
  background:#eef2f7;color:var(--ink);transition:filter .15s,background .15s;
  display:inline-flex;align-items:center;gap:7px;justify-content:center;
}
.btn:hover:not(:disabled){filter:brightness(.96)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.primary{background:var(--blue);color:#fff}
.btn.success{background:var(--green);color:#fff}
.btn.danger{background:var(--red);color:#fff}
.btn.ghost{background:transparent;border:1.5px solid var(--line)}
.btn.big{width:100%;padding:14px;font-size:16px}
.btn.small{padding:7px 13px;font-size:13px}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}

/* ── Alerts ────────────────────────────────────────────────── */
.alert{padding:12px 14px;border-radius:10px;font-size:14px;margin-bottom:14px;text-align:left}
.alert.error{background:var(--red-soft);color:#a5261c;border:1px solid #f5c6c2}
.alert.success{background:var(--green-soft);color:#0b6b3e;border:1px solid #b7e2c9}
.alert.warn{background:var(--amber-soft);color:#8a6100;border:1px solid #f3dfae}
.alert.info{background:var(--blue-soft);color:#0847a8;border:1px solid #c5d9fa}

/* ── Topbar ────────────────────────────────────────────────── */
.topbar{
  height:62px;background:#fff;border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:14px;padding:0 18px;position:sticky;top:0;z-index:40;
}
.brand{font-weight:700;font-size:16px;display:flex;align-items:center;gap:8px;white-space:nowrap}
.brand-dot{font-size:20px}
.topbar-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.usage-chip{
  background:var(--blue-soft);color:var(--blue-dark);padding:6px 13px;border-radius:20px;
  font-size:13px;font-weight:700;white-space:nowrap;
}
.usage-chip.warn{background:var(--amber-soft);color:#8a6100}
.usage-chip.full{background:var(--red-soft);color:#a5261c}
.user-chip{display:flex;align-items:center;gap:9px}
.avatar{
  width:36px;height:36px;border-radius:50%;background:var(--blue);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:14px;flex:none;
}
.user-meta{display:flex;flex-direction:column;line-height:1.25}
.user-meta strong{font-size:13.5px}
.user-meta small{font-size:11.5px;color:var(--muted)}
.icon-btn{background:none;border:none;font-size:22px;color:var(--ink);padding:4px 8px}

/* ── Layout ────────────────────────────────────────────────── */
.layout{display:flex;min-height:calc(100vh - 62px)}
.sidebar{
  width:224px;background:#fff;border-right:1px solid var(--line);padding:16px 12px;
  display:flex;flex-direction:column;gap:3px;position:sticky;top:62px;
  height:calc(100vh - 62px);overflow-y:auto;flex:none;
}
.nav-item{
  display:flex;align-items:center;gap:11px;padding:11px 13px;border:none;background:none;
  border-radius:10px;font-size:14.5px;font-weight:500;color:var(--ink);text-align:left;width:100%;
  transition:background .12s;
}
.nav-item i{font-style:normal;font-size:17px;width:20px;text-align:center}
.nav-item:hover{background:#f2f5f9}
.nav-item.active{background:var(--blue-soft);color:var(--blue-dark);font-weight:600}
.nav-section{
  font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;
  letter-spacing:.6px;padding:16px 13px 6px;
}
.scrim{display:none}
.main{flex:1;padding:26px 28px 60px;max-width:1180px;width:100%;min-width:0}

/* ── Demo banner ───────────────────────────────────────────── */
.demo-banner{
  background:var(--amber-soft);color:#8a6100;border-bottom:1px solid #f3dfae;
  padding:9px 18px;font-size:13px;text-align:center;
}
.demo-banner code{
  background:rgba(0,0,0,.07);padding:1px 6px;border-radius:5px;font-size:12.5px;
}

/* ── Page header ───────────────────────────────────────────── */
.page-head{margin-bottom:22px}
.page-head h2{font-size:23px;font-weight:700;margin-bottom:3px}
.page-head p{color:var(--muted);font-size:14px}

/* ── Cards ─────────────────────────────────────────────────── */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);margin-bottom:18px;
}
.card h3{font-size:16px;font-weight:700;margin-bottom:4px}
.card .card-sub{color:var(--muted);font-size:13.5px;margin-bottom:18px}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.card-head h3{margin:0}

/* ── Stat tiles ────────────────────────────────────────────── */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px;margin-bottom:20px}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;
  box-shadow:var(--shadow);
}
.stat .label{font-size:12.5px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.4px}
.stat .value{font-size:30px;font-weight:700;line-height:1.15;margin-top:6px}
.stat .sub{font-size:12.5px;color:var(--muted);margin-top:3px}
.stat.blue .value{color:var(--blue)}
.stat.green .value{color:var(--green)}
.stat.amber .value{color:var(--amber)}
.stat.red .value{color:var(--red)}

.usage-bar{height:9px;background:#eaeef4;border-radius:6px;overflow:hidden;margin-top:12px}
.usage-bar>div{height:100%;background:var(--blue);border-radius:6px;transition:width .4s}
.usage-bar>div.warn{background:var(--amber)}
.usage-bar>div.full{background:var(--red)}

/* ── Quick actions ─────────────────────────────────────────── */
.action-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:14px}
.action-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  text-align:left;box-shadow:var(--shadow);transition:transform .15s,box-shadow .15s;
}
.action-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(18,38,63,.12)}
.action-card .ico{font-size:28px;margin-bottom:10px;display:block}
.action-card strong{display:block;font-size:15.5px;margin-bottom:3px}
.action-card span.desc{color:var(--muted);font-size:13px}

/* ── Segmented control ─────────────────────────────────────── */
.segment{display:flex;gap:10px;margin-bottom:20px;flex-wrap:wrap}
.segment button{
  flex:1;min-width:150px;padding:15px 16px;border:2px solid var(--line);background:#fff;
  border-radius:12px;text-align:left;transition:all .15s;
}
.segment button strong{display:block;font-size:14.5px;margin-bottom:2px}
.segment button span{font-size:12.5px;color:var(--muted)}
.segment button.active{border-color:var(--blue);background:var(--blue-soft)}
.segment button.active strong{color:var(--blue-dark)}

/* ── Grid form ─────────────────────────────────────────────── */
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:0 16px}
.form-grid.wide{grid-template-columns:1fr}

/* ── Checkbox list ─────────────────────────────────────────── */
.check-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(165px,1fr));gap:10px}
.check-item{
  display:flex;align-items:center;gap:10px;padding:11px 13px;border:1.5px solid var(--line);
  border-radius:10px;font-size:14px;background:#fff;cursor:pointer;transition:all .12s;
}
.check-item:hover{border-color:#c6d3e2}
.check-item input{width:17px;height:17px;accent-color:var(--blue);cursor:pointer;flex:none}
.check-item.checked{border-color:var(--blue);background:var(--blue-soft)}

/* ── WhatsApp preview ──────────────────────────────────────── */
.preview-label{
  font-size:12px;font-weight:700;color:var(--muted);text-transform:uppercase;
  letter-spacing:.5px;margin-bottom:8px;
}

/* Phone frame */
.wa-phone{
  max-width:340px;margin:0 auto 18px;border-radius:22px;overflow:hidden;
  border:1px solid #d6dbe1;box-shadow:0 6px 22px rgba(18,38,63,.13);background:#efe7de;
}
.wa-bar{
  background:#075e54;color:#fff;padding:11px 14px;display:flex;align-items:center;gap:10px;
}
.wa-avatar{
  width:32px;height:32px;border-radius:50%;background:#c9d6cf;color:#075e54;flex:none;
  display:grid;place-items:center;font-weight:700;font-size:13px;
}
.wa-who{line-height:1.25;min-width:0}
.wa-who strong{display:block;font-size:14px;font-weight:600}
.wa-who span{font-size:11.5px;opacity:.85}

/* Chat area — the classic WhatsApp wallpaper tint */
.wa-chat{
  background:#efe7de;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255,255,255,.45) 0 2px, transparent 2px),
    radial-gradient(circle at 70% 60%, rgba(255,255,255,.35) 0 2px, transparent 2px);
  background-size:44px 44px, 62px 62px;
  padding:16px 12px 20px;min-height:120px;
}

/* Outgoing bubble */
.wa-bubble{
  background:#d9fdd3;border-radius:9px;border-top-right-radius:2px;
  padding:7px 9px 5px;margin-left:auto;max-width:87%;width:fit-content;
  box-shadow:0 1px 1px rgba(0,0,0,.13);position:relative;
}
.wa-bubble::after{
  content:'';position:absolute;top:0;right:-7px;width:0;height:0;
  border-left:8px solid #d9fdd3;border-bottom:9px solid transparent;
}
.wa-text{
  font-size:14.2px;line-height:1.48;color:#111b21;white-space:pre-wrap;word-wrap:break-word;
}
.wa-text .wa-fill{background:#fff6a8;border-radius:3px;padding:0 2px;font-weight:500}
.wa-text .wa-empty{
  background:rgba(0,0,0,.07);border-radius:3px;padding:0 6px;color:#667781;font-style:italic;
}
.wa-meta{
  display:flex;align-items:center;justify-content:flex-end;gap:3px;
  font-size:11px;color:#667781;margin-top:2px;
}
.wa-tick{color:#53bdeb;font-size:12px;letter-spacing:-2px}

/* Attachment card inside the bubble */
.wa-attach{
  display:flex;align-items:center;gap:9px;background:rgba(0,0,0,.05);
  border-radius:6px;padding:8px 10px;margin-bottom:6px;
}
.wa-attach .ico{font-size:20px;flex:none}
.wa-attach div{min-width:0}
.wa-attach strong{display:block;font-size:12.8px;color:#111b21;font-weight:500;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.wa-attach span{font-size:11.5px;color:#667781}
.wa-image{
  border-radius:6px;margin-bottom:5px;overflow:hidden;background:rgba(0,0,0,.06);
  display:grid;place-items:center;height:130px;color:#667781;font-size:12.5px;
}

/* ── File drop ─────────────────────────────────────────────── */
.dropzone{
  border:2px dashed #c6d3e2;border-radius:12px;padding:30px 20px;text-align:center;
  background:#fbfcfe;transition:all .15s;cursor:pointer;
}
.dropzone:hover,.dropzone.drag{border-color:var(--blue);background:var(--blue-soft)}
.dropzone .ico{font-size:34px;display:block;margin-bottom:8px}
.dropzone strong{display:block;font-size:15px;margin-bottom:3px}
.dropzone span{color:var(--muted);font-size:13px}
.file-pill{
  display:inline-flex;align-items:center;gap:9px;background:var(--blue-soft);color:var(--blue-dark);
  padding:8px 13px;border-radius:20px;font-size:13.5px;font-weight:600;margin-top:12px;
}
.file-pill button{background:none;border:none;color:inherit;font-size:16px;line-height:1;padding:0}

/* ── Number chips (bulk list) ──────────────────────────────── */
.number-chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:4px}
.num-chip{
  background:var(--blue-soft);color:var(--blue-dark);padding:5px 11px;border-radius:20px;
  font-size:12.8px;font-weight:600;font-variant-numeric:tabular-nums;
}
.num-chip.more{background:#eef2f7;color:var(--muted)}

/* ── Tables ────────────────────────────────────────────────── */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
table{width:100%;border-collapse:collapse;font-size:13.8px;min-width:640px}
thead th{
  background:#f7f9fc;text-align:left;padding:12px 14px;font-weight:700;font-size:12px;
  color:var(--muted);text-transform:uppercase;letter-spacing:.4px;border-bottom:1px solid var(--line);
  white-space:nowrap;
}
tbody td{padding:12px 14px;border-bottom:1px solid #f0f3f7;vertical-align:middle}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#fafbfd}
td.nowrap,th.nowrap{white-space:nowrap}
td .sub{display:block;color:var(--muted);font-size:12px}

.badge{
  display:inline-block;padding:3px 10px;border-radius:20px;font-size:11.5px;font-weight:700;
  white-space:nowrap;
}
.badge.pending{background:var(--amber-soft);color:#8a6100}
.badge.sent{background:var(--green-soft);color:#0b6b3e}
.badge.failed{background:var(--red-soft);color:#a5261c}
.badge.neutral{background:#eef2f7;color:var(--muted)}
.badge.blue{background:var(--blue-soft);color:var(--blue-dark)}

/* ── Search bar ────────────────────────────────────────────── */
.toolbar{display:flex;gap:10px;margin-bottom:16px;flex-wrap:wrap;align-items:center}
.search-box{flex:1;min-width:230px;position:relative}
.search-box input{
  width:100%;padding:11px 14px 11px 38px;border:1.5px solid var(--line);border-radius:10px;background:#fff;
}
.search-box input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-soft)}
.search-box::before{
  content:'🔍';position:absolute;left:13px;top:50%;transform:translateY(-50%);font-size:14px;opacity:.55;
}
.toolbar select{padding:11px 13px;border:1.5px solid var(--line);border-radius:10px;background:#fff}

/* ── Empty & loading ───────────────────────────────────────── */
.empty{text-align:center;padding:52px 20px;color:var(--muted)}
.empty .ico{font-size:42px;display:block;margin-bottom:12px;opacity:.6}
.empty strong{display:block;color:var(--ink);font-size:16px;margin-bottom:5px}
.spinner{
  width:26px;height:26px;border:3px solid var(--line);border-top-color:var(--blue);
  border-radius:50%;animation:spin .7s linear infinite;margin:34px auto;
}
@keyframes spin{to{transform:rotate(360deg)}}
.btn .spinner{width:15px;height:15px;border-width:2px;margin:0;border-top-color:#fff}

/* ── Toast ─────────────────────────────────────────────────── */
.toast-host{position:fixed;bottom:24px;right:24px;z-index:200;display:flex;flex-direction:column;gap:10px}
.toast{
  background:#12263f;color:#fff;padding:13px 18px;border-radius:11px;font-size:14px;font-weight:500;
  box-shadow:0 8px 28px rgba(0,0,0,.24);animation:slideIn .25s ease;max-width:400px;
}
.toast.success{background:var(--green)}
.toast.error{background:var(--red)}
@keyframes slideIn{from{transform:translateX(30px);opacity:0}to{transform:translateX(0);opacity:1}}

/* ── Modal ─────────────────────────────────────────────────── */
.modal-host{position:fixed;inset:0;z-index:150;display:grid;place-items:center;padding:20px}
.modal-backdrop{position:absolute;inset:0;background:rgba(18,38,63,.5)}
.modal-card{
  position:relative;background:#fff;border-radius:16px;padding:26px;width:100%;max-width:540px;
  max-height:88vh;overflow-y:auto;box-shadow:0 24px 60px rgba(0,0,0,.3);
}
.modal-card h3{font-size:18px;font-weight:700;margin-bottom:16px}

/* ── Template variable builder ─────────────────────────────── */
.var-section{
  border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:18px;
  background:#fbfcfe;
}
.var-section-head{margin-bottom:12px}
.var-section-head strong{display:block;font-size:14.5px}
.var-section-head span{font-size:12.5px;color:var(--muted)}
.var-card{
  display:flex;gap:12px;padding:13px;border:1px solid var(--line);border-radius:10px;
  background:#fff;margin-bottom:10px;transition:opacity .15s;
}
.var-card:last-child{margin-bottom:0}
.var-card.unused{opacity:.55}
.var-tag{
  flex:none;background:var(--blue-soft);color:var(--blue-dark);font-weight:700;font-size:12px;
  padding:5px 9px;border-radius:7px;height:fit-content;font-family:ui-monospace,monospace;
}
.var-card.unused .var-tag{background:#eef2f7;color:var(--muted)}
.var-body{flex:1;min-width:0}
.var-body .field{margin-bottom:10px}
.var-body .field:last-child{margin-bottom:0}
td .badge{margin:1px 2px 1px 0}

/* ── Chart ─────────────────────────────────────────────────── */
.chart-box{position:relative;height:280px}
.chart-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:18px}

/* ── Responsive ────────────────────────────────────────────── */
.mobile-only{display:none}
@media(max-width:900px){
  .mobile-only{display:block}
  .sidebar{
    position:fixed;left:0;top:62px;transform:translateX(-100%);transition:transform .25s;
    z-index:60;box-shadow:0 8px 30px rgba(0,0,0,.15);
  }
  .sidebar.open{transform:translateX(0)}
  .scrim{display:block;position:fixed;inset:62px 0 0;background:rgba(18,38,63,.4);z-index:50;
    opacity:0;pointer-events:none;transition:opacity .25s}
  .scrim.show{opacity:1;pointer-events:auto}
  .main{padding:20px 16px 60px}
  .user-meta{display:none}
  .topbar-right{gap:9px}
  .toast-host{left:16px;right:16px;bottom:16px}
  .toast{max-width:none}
}
@media(max-width:520px){
  .brand span:not(.brand-dot){font-size:14px}
  .page-head h2{font-size:20px}
  .stat .value{font-size:26px}
  .card{padding:17px}
}