:root {
  --bg: #0f1512;
  --card: #18211c;
  --border: #2a3830;
  --text: #e8f0ea;
  --dim: #8fa598;
  --green: #22c55e;
  --green-dark: #157a3c;
  --amber: #f59e0b;
  --red: #ef4444;
  --blue: #38bdf8;
}
* { box-sizing: border-box; margin: 0; }
body {
  background: var(--bg); color: var(--text);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  max-width: 640px; margin: 0 auto; padding: 0 14px 60px;
}
a { color: var(--blue); text-decoration: none; }

header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 0 10px;
}
.brand { font-weight: 700; font-size: 18px; color: var(--green); }
nav a { margin-left: 14px; color: var(--dim); font-weight: 500; }
nav a.active { color: var(--text); border-bottom: 2px solid var(--green); padding-bottom: 2px; }

.counts { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.pill {
  display: inline-block; padding: 2px 10px; border-radius: 999px;
  font-size: 13px; background: var(--card); border: 1px solid var(--border);
  color: var(--dim); text-transform: lowercase;
}
.pill.pending { color: var(--amber); border-color: var(--amber); }
.pill.sent { color: var(--green); border-color: var(--green); }
.pill.invalid { color: var(--red); border-color: var(--red); }
.pill.active { background: var(--green-dark); color: #fff; border-color: var(--green-dark); }

.flash {
  background: var(--card); border: 1px solid var(--green-dark);
  border-radius: 10px; padding: 10px 14px; margin-bottom: 12px; font-size: 14px;
}
.flash.error { border-color: var(--red); color: var(--red); }

.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; padding: 16px; margin-bottom: 14px;
}
.card.empty { text-align: center; padding: 40px 16px; }
.card h3 { margin-bottom: 8px; font-size: 14px; color: var(--dim); text-transform: uppercase; letter-spacing: .05em; }

.sync-row { margin-bottom: 12px; }

.lead-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 10px; }
.lead-name { font-size: 20px; font-weight: 700; }
.lead-phone { color: var(--dim); font-size: 14px; font-variant-numeric: tabular-nums; }

.lead-data { margin: 10px 0; font-size: 14px; }
.lead-data summary { color: var(--dim); cursor: pointer; }
.lead-data table { margin-top: 8px; width: 100%; border-collapse: collapse; }
.lead-data td { padding: 3px 8px 3px 0; vertical-align: top; border-bottom: 1px solid var(--border); }
.lead-data td:first-child { color: var(--dim); white-space: nowrap; }

textarea, input, select {
  width: 100%; background: var(--bg); color: var(--text);
  border: 1px solid var(--border); border-radius: 10px;
  padding: 10px 12px; font: inherit; margin-top: 6px;
}
textarea { resize: vertical; }

.btn {
  display: inline-block; border: none; border-radius: 10px;
  padding: 12px 18px; font: inherit; font-weight: 600;
  cursor: pointer; text-align: center;
}
.btn.primary { background: var(--green-dark); color: #fff; }
.btn.whatsapp { background: var(--green); color: #06130b; }
.btn.ghost { background: transparent; border: 1px solid var(--border); color: var(--dim); }
.btn.small { padding: 6px 12px; font-size: 13px; }
.btn-row { display: flex; gap: 10px; margin-top: 12px; }
.btn-row .btn { flex: 1; }
.btn-stack { display: flex; flex-direction: column; gap: 6px; align-items: flex-end; }

.hint { color: var(--dim); font-size: 13px; display: block; margin-top: 6px; }
.dim { color: var(--dim); }

.upcoming { list-style: none; }
.upcoming li {
  display: flex; justify-content: space-between;
  padding: 7px 0; border-bottom: 1px solid var(--border); font-size: 14px;
}
.upcoming li:last-child { border-bottom: none; }

.filter-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }
.table-card { padding: 6px 10px; overflow-x: auto; }
.leads-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.leads-table th { text-align: left; color: var(--dim); font-weight: 500; }
.leads-table th, .leads-table td { padding: 8px 8px 8px 0; border-bottom: 1px solid var(--border); }
.leads-table tr:last-child td { border-bottom: none; }
.invalid-phone { color: var(--red); }

.settings-form label { display: block; margin-bottom: 16px; font-weight: 600; font-size: 14px; }
code { background: var(--bg); padding: 1px 5px; border-radius: 5px; font-size: 12px; }

.login-body { display: grid; place-items: center; min-height: 100vh; }
.login-card { width: 300px; text-align: center; }
.login-card h1 { color: var(--green); margin-bottom: 20px; }
.login-card input { margin-bottom: 12px; }
.login-card .btn { width: 100%; }