:root {
  --paper: #f4f1ea;
  --panel: #fffdf8;
  --ink: #1c2430;
  --muted: #5e6876;
  --line: #ddd4c6;
  --rail: #1a2422;
  --rail-text: #e6e1d6;
  --rail-dim: #b7c0b8;
  --accent: #0f6b66;
  --accent-ink: #f4fffd;
  --clay: #8a4632;
  --ok: #1d6b45;
  --warn: #8a5a10;
  --danger: #8d2f2f;
  --info: #245f86;
  --shadow: 0 1px 0 rgba(28, 36, 48, 0.04);
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
}

* { box-sizing: border-box; }
body { margin: 0; }
a { color: var(--accent); }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3 { font-family: inherit; font-weight: 600; letter-spacing: -0.02em; }
h1 { font-size: 1.8rem; margin: 0; }
h2 { font-size: 1.25rem; margin: 0 0 0.6rem; }
p { line-height: 1.5; }

.shell { display: grid; grid-template-columns: 232px 1fr; min-height: 100vh; }
.rail { background: var(--rail); color: var(--rail-text); padding: 1.2rem 0.9rem; }
.brand { padding: 0 0.6rem 1rem; }
.brand strong { display: block; font-size: 1.05rem; }
.brand span { color: var(--rail-dim); font-size: 0.82rem; }
.rail a { display: block; color: var(--rail-text); text-decoration: none; padding: 0.42rem 0.65rem; border-radius: 8px; }
.rail a.active, .rail a:hover { background: rgba(255, 255, 255, 0.08); }
.main { padding: 1.25rem 1.4rem 3rem; }
.top { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-end; margin-bottom: 1rem; }
.who { color: var(--muted); font-size: 0.92rem; }
.banner { padding: 0.7rem 0.85rem; border: 1px solid var(--line); border-radius: 10px; margin-bottom: 0.9rem; background: var(--panel); }
.banner.error { border-color: #e2b6b6; background: #fff6f4; }
.banner.notice { border-color: #b7d7c6; background: #f3faf6; }

.grid { display: grid; gap: 0.8rem; }
.stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stat, .panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 0.9rem 1rem; box-shadow: var(--shadow); }
.stat span { display: block; color: var(--muted); font-size: 0.8rem; }
.stat strong { font-size: 1.6rem; font-family: inherit; }
.split { grid-template-columns: 1.4fr 0.8fr; align-items: start; }
.stack { display: grid; gap: 0.8rem; }

table { width: 100%; border-collapse: collapse; background: var(--panel); }
th, td { text-align: left; padding: 0.55rem 0.6rem; border-bottom: 1px solid var(--line); vertical-align: top; font-size: 0.92rem; }
th { color: var(--muted); font-weight: 600; font-size: 0.78rem; letter-spacing: 0.03em; text-transform: uppercase; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); }

.pill { display: inline-block; border-radius: 999px; padding: 0.12rem 0.5rem; background: #efeae1; font-size: 0.78rem; }
.pill.ok { background: #e5f5ec; color: var(--ok); }
.pill.warn { background: #fff3dd; color: var(--warn); }
.pill.danger { background: #fdecec; color: var(--danger); }
.pill.info { background: #e7f2f8; color: var(--info); }

label { display: grid; gap: 0.25rem; font-size: 0.86rem; color: var(--muted); }
input, select, textarea { border: 1px solid var(--line); background: white; border-radius: 8px; padding: 0.5rem 0.6rem; }
textarea { min-height: 7rem; width: 100%; }
.filters, .form-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.6rem; align-items: end; }
.actions { display: flex; flex-wrap: wrap; gap: 0.4rem; }
button, .button { background: var(--accent); color: var(--accent-ink); border: 0; border-radius: 8px; padding: 0.48rem 0.75rem; text-decoration: none; cursor: pointer; }
button.secondary, .button.secondary { background: transparent; color: var(--ink); border: 1px solid var(--line); }
button.danger { background: var(--clay); }
button.ok { background: var(--ok); }
.login { max-width: 420px; margin: 8vh auto; }
.muted { color: var(--muted); }
.timeline { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.55rem; }
.timeline li { border-left: 3px solid var(--accent); padding-left: 0.7rem; }
.columns { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.columns label { display: flex; gap: 0.35rem; align-items: center; color: var(--ink); }

.settings-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  position: sticky;
  top: 0;
  z-index: 6;
  background: var(--paper);
  padding: 0.15rem 0 0.75rem;
}
.settings-tabs button {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 0.32rem 0.7rem;
  font-size: 0.86rem;
}
.settings-tabs button[aria-selected="true"] {
  background: var(--rail);
  color: var(--rail-text);
  border-color: var(--rail);
}
.field { display: grid; gap: 0.25rem; font-size: 0.86rem; color: var(--muted); min-width: 0; }
.field.wide { grid-column: 1 / -1; }
.field input, .field select, .field textarea { width: 100%; }
.label-row { display: flex; align-items: flex-start; gap: 0.35rem; min-width: 0; }
.label-row label { display: inline; min-width: 0; color: var(--muted); }
.help-btn { margin-top: 0.05rem; }
.checks { display: flex; flex-wrap: wrap; gap: 0.75rem 1.2rem; }
.field.check { display: flex; align-items: center; gap: 0.4rem; color: var(--ink); }
.field.check input { width: auto; }
.help-btn {
  width: 1.05rem;
  height: 1.05rem;
  min-width: 1.05rem;
  padding: 0;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #efeae1;
  color: var(--muted);
  font-family: inherit;
  font-style: normal;
  font-size: 0.7rem;
  line-height: 1;
  flex: 0 0 auto;
}
.help-btn:hover, .help-btn:focus-visible { border-color: var(--accent); color: var(--accent); }
.help-pop {
  position: fixed;
  z-index: 40;
  width: min(18rem, calc(100vw - 16px));
  padding: 0.55rem 0.7rem;
  background: var(--rail);
  color: var(--rail-text);
  border-radius: 8px;
  font-size: 0.8rem;
  line-height: 1.45;
  box-shadow: 0 10px 28px rgba(28, 36, 48, 0.22);
  pointer-events: none;
}
.panel h3 { font-size: 1.02rem; margin: 0.95rem 0 0.45rem; }
.save-row { display: flex; flex-wrap: wrap; align-items: center; gap: 0.7rem; margin-top: 0.35rem; }
.save-row .muted { font-size: 0.82rem; }
details.fold { border: 1px solid var(--line); border-radius: 10px; padding: 0.65rem 0.75rem; background: white; }
details.fold + details.fold { margin-top: 0.5rem; }
details.fold summary { cursor: pointer; }
details.fold[open] summary { margin-bottom: 0.65rem; }
.number-list, .campaign-list { margin: 0 0 0.8rem; padding-left: 1.1rem; }
.number-list li, .campaign-list li { margin: 0.2rem 0; }
.number-row { display: flex; flex-wrap: wrap; gap: 0.45rem 0.75rem; align-items: center; justify-content: space-between; }
.number-row form { margin: 0; }
.span-all { grid-column: 1 / -1; }
[data-provider-panel][hidden] { display: none !important; }
.check-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.55rem; }
.check-item { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 0.75rem 0.85rem; }
.check-item p { margin: 0.35rem 0 0; }
.summary-counts { display: flex; flex-wrap: wrap; gap: 0.45rem; margin: 0.4rem 0 0.8rem; }
.tour-backdrop { position: fixed; inset: 0; background: rgba(28, 36, 48, 0.45); z-index: 50; }
.tour-card {
  position: fixed;
  z-index: 70;
  width: min(28rem, calc(100vw - 24px));
  background: var(--panel);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.9rem 1rem;
  box-shadow: 0 16px 40px rgba(28, 36, 48, 0.24);
}
.tour-card p { margin: 0.35rem 0 0.8rem; }
.tour-target { position: relative; z-index: 60; box-shadow: 0 0 0 3px #f4fffd, 0 0 0 6px var(--accent); border-radius: 8px; }
.help-steps { display: grid; gap: 0.7rem; }
.help-steps article { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 0.8rem 0.9rem; }
.help-steps h2 { font-size: 1.05rem; }

.setup-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.45rem;
  margin: 0 0 1rem;
  position: sticky;
  top: 0;
  z-index: 6;
  background: var(--paper);
  padding: 0.15rem 0 0.75rem;
}
.setup-steps button {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  background: var(--panel);
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 0.55rem 0.7rem;
  text-align: left;
}
.setup-steps button[aria-selected="true"] {
  background: var(--rail);
  color: var(--rail-text);
  border-color: var(--rail);
}
.setup-step-num {
  display: inline-grid;
  place-items: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 999px;
  background: #efeae1;
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 600;
  flex: 0 0 auto;
}
.setup-steps button[aria-selected="true"] .setup-step-num {
  background: rgba(255, 255, 255, 0.16);
  color: var(--rail-text);
}
.setup-step-label { font-size: 0.9rem; font-weight: 600; }
.setup-panel { margin-top: 0; }
.setup-group {
  border-top: 1px solid var(--line);
  padding-top: 0.85rem;
  margin-top: 0.95rem;
}
.setup-group:first-of-type { border-top: 0; padding-top: 0; margin-top: 0.35rem; }
.setup-group-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.55rem;
}
.setup-group-head h3 { margin: 0; }
.setup-nav-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
}
.wa-layout {
  display: grid;
  grid-template-columns: minmax(12rem, 0.85fr) minmax(0, 1.6fr);
  gap: 0.75rem;
  align-items: start;
}
.wa-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}
.wa-list-item {
  display: grid;
  gap: 0.12rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: white;
  color: inherit;
  text-decoration: none;
}
.wa-list-item:hover { border-color: var(--accent); }
.wa-list-item.is-selected {
  border-color: var(--accent);
  background: #f3faf8;
  box-shadow: inset 3px 0 0 var(--accent);
}
.wa-list-item strong { color: var(--ink); }
.wa-detail {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: white;
  padding: 0.85rem 0.95rem;
  min-height: 12rem;
}
.wa-detail-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}
.wa-detail-header h4 { margin: 0; font-size: 1.05rem; }
.wa-detail-header p { margin: 0.2rem 0 0; }
.wa-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem 0.75rem;
  margin: 0 0 0.85rem;
}
.wa-meta > div { min-width: 0; }
.wa-meta dt {
  margin: 0;
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.wa-meta dd { margin: 0.15rem 0 0; word-break: break-word; }
.wa-meta dd code {
  display: inline-block;
  margin-right: 0.35rem;
  font-size: 0.82rem;
}
.wa-meta .span-all { grid-column: 1 / -1; }
.wa-detail .actions { margin-top: 0.25rem; }

@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .rail { display: flex; gap: 0.4rem; overflow-x: auto; }
  .brand { display: none; }
  .stats, .split, .filters, .form-grid { grid-template-columns: 1fr 1fr; }
  .setup-steps { grid-template-columns: 1fr 1fr; }
  .wa-layout { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .stats, .split, .filters, .form-grid { grid-template-columns: 1fr; }
  .main { padding: 0.9rem; }
  .setup-steps { grid-template-columns: 1fr; }
  .wa-meta { grid-template-columns: 1fr; }
}