:root {
  --green: #128c7e;
  --green-dark: #075e54;
  --green-light: #25d366;
  --accent: #1f8a70;
  --bg: #f0f2f5;
  --panel: #ffffff;
  --panel-2: #f7f9fb;
  --text: #1c2b33;
  --muted: #667781;
  --border: #e2e8ee;
  --danger: #d9455f;
  --warn: #d98e00;
  --ok: #1a9c5b;
  --info: #2a7de1;
  --shadow: 0 1px 3px rgba(11,20,26,.08), 0 1px 2px rgba(11,20,26,.06);
  --radius: 12px;
  --sidebar-w: 236px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f171b; --panel: #1a252b; --panel-2: #16211a; --text: #e7eef1;
    --muted: #8fa3ad; --border: #2a3942; --shadow: 0 1px 3px rgba(0,0,0,.4);
  }
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
#app { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
  width: var(--sidebar-w); background: var(--panel); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; position: fixed; inset: 0 auto 0 0; z-index: 20;
}
.brand { display: flex; gap: 10px; align-items: center; padding: 18px 18px; border-bottom: 1px solid var(--border); }
.brand-mark { font-size: 26px; }
.brand-name { font-weight: 700; letter-spacing: .2px; }
.brand-sub { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; }
.nav { display: flex; flex-direction: column; padding: 10px; gap: 2px; flex: 1; overflow-y: auto; }
.nav a {
  display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 9px;
  color: var(--text); text-decoration: none; font-weight: 500; opacity: .85;
}
.nav a .ni { width: 18px; text-align: center; opacity: .7; }
.nav a:hover { background: var(--panel-2); opacity: 1; }
.nav a.active { background: var(--green); color: #fff; opacity: 1; }
.nav a.active .ni { opacity: 1; }
.conn { display: flex; align-items: center; gap: 8px; padding: 12px 16px; border-top: 1px solid var(--border); font-size: 12px; color: var(--muted); }
.conn .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--danger); box-shadow: 0 0 0 3px rgba(217,69,95,.15); }
.conn.ok .dot { background: var(--ok); box-shadow: 0 0 0 3px rgba(26,156,91,.15); }

/* Content */
.content { margin-left: var(--sidebar-w); flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar { display: flex; align-items: center; justify-content: space-between; padding: 18px 26px; border-bottom: 1px solid var(--border); background: var(--panel); position: sticky; top: 0; z-index: 10; gap: 12px; }
.topbar h1 { font-size: 19px; margin: 0; }
.topbar-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.view { padding: 24px 26px 60px; max-width: 1180px; }

/* Cards */
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; margin-bottom: 18px; }
.card h2 { margin: 0 0 4px; font-size: 16px; }
.card .sub { color: var(--muted); font-size: 13px; margin: 0 0 16px; }
.grid { display: grid; gap: 16px; }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 860px) { .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; } }

/* Stat tiles */
.stat { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow); }
.stat .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .6px; }
.stat .value { font-size: 26px; font-weight: 700; margin-top: 4px; }
.stat .value small { font-size: 13px; font-weight: 500; color: var(--muted); }

/* Forms */
label { display: block; font-weight: 600; font-size: 13px; margin: 14px 0 6px; }
label .hint { font-weight: 400; color: var(--muted); }
input, select, textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 9px;
  background: var(--panel-2); color: var(--text); font: inherit; outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(18,140,126,.12); }
textarea { resize: vertical; min-height: 90px; }
.row { display: flex; gap: 14px; flex-wrap: wrap; }
.row > * { flex: 1; min-width: 180px; }
.inline { display: flex; align-items: center; gap: 8px; }
.inline input[type=checkbox], .inline input[type=radio] { width: auto; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 9px 16px; border-radius: 9px;
  border: 1px solid var(--border); background: var(--panel); color: var(--text);
  font: inherit; font-weight: 600; cursor: pointer; text-decoration: none;
}
.btn:hover { background: var(--panel-2); }
.btn.primary { background: var(--green); border-color: var(--green); color: #fff; }
.btn.primary:hover { background: var(--green-dark); }
.btn.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn.ghost { background: transparent; }
.btn.sm { padding: 6px 11px; font-size: 12.5px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .5px; font-weight: 600; }
tbody tr:hover { background: var(--panel-2); }
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--panel); }

/* Badges */
.badge { display: inline-block; padding: 3px 9px; border-radius: 20px; font-size: 11.5px; font-weight: 700; letter-spacing: .3px; }
.badge.APPROVED, .badge.sent, .badge.delivered, .badge.read, .badge.ok { background: rgba(26,156,91,.15); color: var(--ok); }
.badge.PENDING, .badge.queued, .badge.running, .badge.IN_APPEAL { background: rgba(217,142,0,.15); color: var(--warn); }
.badge.REJECTED, .badge.failed, .badge.invalid, .badge.error, .badge.PAUSED, .badge.DISABLED { background: rgba(217,69,95,.15); color: var(--danger); }
.badge.skipped, .badge.canceled, .badge.done { background: rgba(102,119,129,.15); color: var(--muted); }
.badge.MARKETING { background: rgba(42,125,225,.15); color: var(--info); }
.badge.UTILITY { background: rgba(18,140,126,.15); color: var(--green); }
.badge.AUTHENTICATION { background: rgba(120,80,200,.15); color: #7850c8; }

/* Misc */
.muted { color: var(--muted); }
.empty { text-align: center; padding: 44px 20px; color: var(--muted); }
.empty .big { font-size: 40px; margin-bottom: 8px; }
.spinner { width: 34px; height: 34px; border: 3px solid var(--border); border-top-color: var(--green); border-radius: 50%; animation: spin .8s linear infinite; margin: 30px auto; }
@keyframes spin { to { transform: rotate(360deg); } }
.pill-tabs { display: flex; gap: 6px; margin-bottom: 18px; flex-wrap: wrap; }
.pill-tabs button { padding: 7px 14px; border-radius: 20px; border: 1px solid var(--border); background: var(--panel); cursor: pointer; font-weight: 600; font: inherit; color: var(--text); }
.pill-tabs button.active { background: var(--green); color: #fff; border-color: var(--green); }
.progress { height: 10px; background: var(--panel-2); border-radius: 20px; overflow: hidden; border: 1px solid var(--border); }
.progress > div { height: 100%; background: var(--green-light); width: 0; transition: width .2s; }
.tag { display: inline-block; background: var(--panel-2); border: 1px solid var(--border); border-radius: 20px; padding: 2px 9px; font-size: 11.5px; margin: 2px; }
code.k { background: var(--panel-2); border: 1px solid var(--border); padding: 1px 6px; border-radius: 5px; font-size: 12px; }

/* WhatsApp-style preview bubble */
.wa-preview { background: #e5ddd5; background-image: linear-gradient(rgba(229,221,213,.6),rgba(229,221,213,.6)); border-radius: 12px; padding: 20px; }
@media (prefers-color-scheme: dark) { .wa-preview { background: #0b141a; } }
.wa-bubble { background: #fff; border-radius: 8px; padding: 8px 10px 6px; max-width: 360px; box-shadow: 0 1px 1px rgba(0,0,0,.15); position: relative; color: #111; font-size: 13.5px; }
.wa-bubble .wa-header { font-weight: 700; margin-bottom: 4px; }
.wa-bubble .wa-header img { max-width: 100%; border-radius: 6px; display: block; }
.wa-bubble .wa-footer { color: #667781; font-size: 11.5px; margin-top: 5px; }
.wa-bubble .wa-buttons { margin: 8px -10px -6px; border-top: 1px solid #eee; }
.wa-bubble .wa-buttons div { text-align: center; color: #1ba7f2; padding: 8px; border-top: 1px solid #f2f2f2; font-weight: 600; }
.wa-bubble .wa-time { text-align: right; color: #667781; font-size: 10.5px; margin-top: 2px; }

/* Modal */
.modal-back { position: fixed; inset: 0; background: rgba(11,20,26,.55); display: flex; align-items: flex-start; justify-content: center; padding: 40px 16px; z-index: 100; overflow-y: auto; }
.modal { background: var(--panel); border-radius: var(--radius); box-shadow: 0 20px 60px rgba(0,0,0,.3); width: 100%; max-width: 640px; }
.modal.lg { max-width: 900px; }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 18px 22px; border-bottom: 1px solid var(--border); }
.modal-head h3 { margin: 0; font-size: 17px; }
.modal-body { padding: 22px; max-height: 70vh; overflow-y: auto; }
.modal-foot { padding: 16px 22px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; }
.x { cursor: pointer; font-size: 22px; color: var(--muted); line-height: 1; border: none; background: none; }

/* Toast */
.toast-wrap { position: fixed; bottom: 20px; right: 20px; display: flex; flex-direction: column; gap: 10px; z-index: 200; }
.toast { background: var(--panel); border: 1px solid var(--border); border-left: 4px solid var(--info); border-radius: 9px; padding: 12px 16px; box-shadow: 0 6px 20px rgba(0,0,0,.18); min-width: 260px; max-width: 380px; animation: slidein .25s; }
.toast.ok { border-left-color: var(--ok); }
.toast.err { border-left-color: var(--danger); }
.toast.warn { border-left-color: var(--warn); }
.toast .t-title { font-weight: 700; margin-bottom: 2px; }
.toast .t-msg { color: var(--muted); font-size: 13px; word-break: break-word; }
@keyframes slidein { from { transform: translateX(20px); opacity: 0; } }

.dropzone { border: 2px dashed var(--border); border-radius: var(--radius); padding: 28px; text-align: center; color: var(--muted); cursor: pointer; background: var(--panel-2); }
.dropzone.drag { border-color: var(--green); color: var(--green); }
.kv { display: grid; grid-template-columns: 160px 1fr; gap: 8px 16px; font-size: 13.5px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-weight: 600; word-break: break-word; }
.notice { background: var(--panel-2); border: 1px solid var(--border); border-left: 4px solid var(--info); border-radius: 9px; padding: 12px 14px; font-size: 13px; margin-bottom: 16px; }
.notice.warn { border-left-color: var(--warn); }
.steps { counter-reset: step; }
.steps li { margin-bottom: 14px; }