:root {
  --ink: #1c2530;
  --ink-soft: #5b6672;
  --line: #e2e6ea;
  --bg: #f5f7f8;
  --card: #ffffff;
  --accent: #0f7a6b;
  --accent-ink: #ffffff;
  --danger: #b3261e;
  --danger-bg: #fdecea;
  --ok: #1c7a3e;
  --ok-bg: #eaf6ee;
  --warn-bg: #fff6e0;
  --warn-ink: #7a5b00;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
}

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

.topbar {
  background: var(--card);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { font-weight: 600; }
.topbar nav a {
  color: var(--ink-soft);
  margin-left: 20px;
  font-size: 0.94rem;
}
.topbar nav a.active, .topbar nav a:hover { color: var(--ink); }

.wrap {
  max-width: 1000px;
  margin: 0 auto;
  padding: 28px 20px 60px;
}

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}

h1 { font-size: 1.4rem; margin: 0 0 18px; }
h2 { font-size: 1.1rem; margin: 0 0 14px; }
p.hint { color: var(--ink-soft); font-size: 0.9rem; margin-top: -8px; }

label { display: block; font-size: 0.88rem; font-weight: 600; margin: 14px 0 6px; }
label:first-child { margin-top: 0; }

input[type=text], input[type=email], input[type=password], input[type=number],
select, textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  background: #fff;
  color: var(--ink);
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.btn {
  display: inline-block;
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  background: var(--accent);
  color: var(--accent-ink);
}
.btn:hover { opacity: 0.92; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-secondary { background: #eef1f2; color: var(--ink); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-row { display: flex; gap: 10px; align-items: center; margin-top: 18px; }

.flash { padding: 12px 14px; border-radius: 8px; margin-bottom: 16px; font-size: 0.92rem; }
.flash-error { background: var(--danger-bg); color: var(--danger); }
.flash-success { background: var(--ok-bg); color: var(--ok); }
.flash-info { background: var(--warn-bg); color: var(--warn-ink); }

.campaign-list { list-style: none; padding: 0; margin: 0; }
.campaign-list li {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 0; border-bottom: 1px solid var(--line);
}
.campaign-list li:last-child { border-bottom: none; }
.campaign-list .subject { font-weight: 600; }
.campaign-list .meta { color: var(--ink-soft); font-size: 0.85rem; }
.status-pill {
  display: inline-block; padding: 3px 10px; border-radius: 999px;
  font-size: 0.78rem; font-weight: 600;
}
.status-draft { background: #eef1f2; color: var(--ink-soft); }
.status-sending { background: var(--warn-bg); color: var(--warn-ink); }
.status-sent { background: var(--ok-bg); color: var(--ok); }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); }
th { color: var(--ink-soft); font-weight: 600; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.02em; }
tr.invalid td { color: var(--danger); background: var(--danger-bg); }
.table-scroll { overflow-x: auto; }

.steps { display: flex; gap: 8px; margin-bottom: 22px; font-size: 0.85rem; color: var(--ink-soft); }
.steps .step.active { color: var(--accent); font-weight: 700; }
.steps .step::after { content: "→"; margin-left: 8px; color: var(--line); }
.steps .step:last-child::after { content: ""; }

.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 640px) { .field-row { grid-template-columns: 1fr; } }

.summary-box { display: flex; gap: 24px; margin: 6px 0 20px; }
.summary-box .num { font-size: 1.6rem; font-weight: 700; }
.summary-box .label { font-size: 0.82rem; color: var(--ink-soft); }

progress { width: 100%; height: 10px; border-radius: 6px; overflow: hidden; }

.ql-editor { min-height: 220px; background: #fff; }
.attach-list { list-style: none; padding: 0; margin: 8px 0 0; font-size: 0.88rem; }
.attach-list li { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px solid var(--line); }

.muted { color: var(--ink-soft); }
.small { font-size: 0.85rem; }