:root {
  --bg: #f6f7fb;
  --panel: #ffffff;
  --ink: #131d2e;
  --muted: #5c6778;
  --border: #e4e7ee;
  --accent: #1b5bff;
  --accent-ink: #fff;
  --danger: #d83a3a;
  --warn: #b45f00;
  --ok: #12835a;
  --chip: #eef2ff;
  --chip-ink: #274eb6;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--ink); }
body { font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

button, .button {
  font: inherit;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--border);
  padding: 7px 12px;
  border-radius: 6px;
  cursor: pointer;
}
button:hover { background: #f2f4f9; }
button.primary, .tab.primary, .button.primary {
  background: var(--accent); color: var(--accent-ink); border-color: var(--accent);
}
button.primary:hover { background: #1448d6; }
button.danger { color: var(--danger); border-color: #f6c6c6; }
button.ghost { background: transparent; border-color: transparent; padding: 4px 8px; }

.topbar {
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  align-items: center;
  gap: 20px;
  padding: 10px 18px;
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 5;
}
.search { margin: 0; min-width: 220px; max-width: 360px; }
.search input { padding: 7px 10px; }
.brand { display: flex; align-items: center; gap: 10px; }
.logo {
  width: 34px; height: 34px; border-radius: 8px;
  background: var(--accent); color: #fff;
  display: grid; place-items: center; font-weight: 700;
}
.title { font-weight: 600; }
.sub { font-size: 12px; color: var(--muted); }

.tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.tab {
  background: transparent; border: 1px solid transparent; padding: 7px 12px;
  border-radius: 999px;
}
.tab.active { background: var(--chip); color: var(--chip-ink); border-color: #d9e1ff; }
.actions { display: flex; gap: 6px; }
.actions a { padding: 7px 12px; border: 1px solid var(--border); border-radius: 6px; background: #fff; color: var(--ink); }
.actions a:hover { background: #f2f4f9; text-decoration: none; }

main { padding: 20px; max-width: 1280px; margin: 0 auto; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 16px;
}
.panel h2 { margin: 0; padding: 14px 16px; font-size: 15px; border-bottom: 1px solid var(--border); }
.panel .body { padding: 12px 16px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 10px;
}

.stat {
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
}
.stat .n { font-size: 28px; font-weight: 700; }
.stat .l { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
.stat.due-today .n { color: var(--accent); }
.stat.overdue .n { color: var(--danger); }
.stat.waiting .n { color: var(--warn); }
.stat.responded .n { color: var(--ok); }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-weight: 600; font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.03em; background: #fafbfe; }
tr:hover td { background: #fafbff; }
td .muted { color: var(--muted); font-size: 12px; }
td.actions { white-space: nowrap; }

.badge {
  display: inline-block; padding: 2px 8px; border-radius: 999px;
  background: var(--chip); color: var(--chip-ink); font-size: 11px; font-weight: 600;
}
.badge.red { background: #fde6e6; color: var(--danger); }
.badge.green { background: #e1f5ec; color: var(--ok); }
.badge.yellow { background: #fdf0d8; color: var(--warn); }

.row { display: flex; gap: 10px; align-items: center; }
.row.wrap { flex-wrap: wrap; }
.spacer { flex: 1; }

.input, textarea, select {
  font: inherit;
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
}
textarea { min-height: 90px; resize: vertical; }

.kv { display: grid; grid-template-columns: 170px 1fr; gap: 6px 12px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

.hidden { display: none !important; }

.drawer {
  position: fixed; top: 0; right: 0; bottom: 0;
  width: min(720px, 100%);
  background: #fff;
  border-left: 1px solid var(--border);
  box-shadow: -8px 0 24px rgba(0,0,0,.05);
  z-index: 10;
  overflow: auto;
  padding: 18px 20px 60px;
}
.drawer h2 { margin-top: 0; }
.drawer .close { position: absolute; right: 12px; top: 10px; }

.messages-table td .actions { display: flex; gap: 6px; }

.tag {
  display: inline-block; padding: 1px 8px; border-radius: 999px;
  background: #f0f2f7; color: var(--muted); font-size: 11px; margin-right: 4px;
}

.dump-box {
  width: 100%; min-height: 260px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
}

.flash {
  position: fixed; bottom: 20px; left: 50%;
  transform: translateX(-50%);
  background: #131d2e; color: #fff;
  padding: 10px 16px; border-radius: 8px;
  opacity: 0; transition: opacity 0.2s;
  z-index: 50;
}
.flash.show { opacity: 1; }

pre.template {
  white-space: pre-wrap;
  background: #f6f7fb; border: 1px solid var(--border);
  padding: 10px; border-radius: 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  max-height: 320px; overflow: auto;
}

.empty {
  padding: 30px; text-align: center; color: var(--muted);
}

.status-scheduled { color: var(--muted); }
.status-sent { color: var(--accent); }
.status-responded { color: var(--ok); font-weight: 600; }
.status-skipped { color: var(--muted); text-decoration: line-through; }

.row-due-today { background: #fff8e4; }
.row-overdue { background: #fde6e6; }