:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --border: #e2e5ea;
  --text: #1c1f26;
  --muted: #6b7280;
  --accent: #2f6fed;
  --accent-dark: #1f4fb0;
  --success: #1a7f47;
  --error: #c0392b;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.layout { display: flex; min-height: 100vh; }

nav {
  width: 220px;
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 24px 0;
  flex-shrink: 0;
}

nav .brand {
  font-weight: 700;
  font-size: 1.1rem;
  padding: 0 20px 20px;
}

nav a {
  display: block;
  padding: 10px 20px;
  color: var(--text);
  text-decoration: none;
  font-size: 0.92rem;
  border-left: 3px solid transparent;
}

nav a:hover { background: #f0f2f5; }
nav a.active { border-left-color: var(--accent); color: var(--accent-dark); font-weight: 600; background: #eef3ff; }

main { flex: 1; padding: 32px 40px; max-width: 900px; }

h1 { font-size: 1.4rem; margin: 0 0 4px; }
h2 { font-size: 1.05rem; margin: 28px 0 10px; }
p.subtitle { color: var(--muted); margin: 0 0 24px; }

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

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; }

.stat { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.stat .value { font-size: 1.6rem; font-weight: 700; }
.stat .label { color: var(--muted); font-size: 0.8rem; }

.flash { padding: 10px 14px; border-radius: var(--radius); margin-bottom: 16px; font-size: 0.9rem; }
.flash.success { background: #e8f7ee; color: var(--success); border: 1px solid #bfe9cf; }
.flash.error { background: #fdecea; color: var(--error); border: 1px solid #f5c6c0; }

form label { display: block; font-size: 0.82rem; color: var(--muted); margin: 12px 0 4px; }
form input[type=text], form input[type=number], form input[type=password], form input[type=email], form textarea, form select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.92rem;
  font-family: inherit;
}
form textarea { font-family: ui-monospace, Menlo, Consolas, monospace; }
.checkbox-row { display: flex; align-items: center; gap: 8px; margin: 10px 0; }
.checkbox-row input { width: auto; }
.days { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 6px; }
.days label { display: flex; align-items: center; gap: 6px; margin: 0; color: var(--text); font-size: 0.85rem; }
.days input { width: auto; }

.row { display: flex; gap: 24px; flex-wrap: wrap; }
.row > div { flex: 1; min-width: 200px; }

button, .btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 9px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  cursor: pointer;
  text-decoration: none;
  margin-top: 14px;
}
button:hover, .btn:hover { background: var(--accent-dark); }
button.secondary, .btn.secondary { background: #fff; color: var(--text); border: 1px solid var(--border); }
button.danger { background: var(--error); }

table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
th, td { text-align: left; padding: 6px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 0.78rem; text-transform: uppercase; }

.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 0.75rem; font-weight: 600; }
.badge.idle { background: #eef0f3; color: var(--muted); }
.badge.running { background: #e7f0ff; color: var(--accent-dark); }
.badge.stopping { background: #fff4e5; color: #9a6700; }
.badge.stopped { background: #fff4e5; color: #9a6700; }
.badge.done { background: #e8f7ee; color: var(--success); }
.badge.error { background: #fdecea; color: var(--error); }

.checklist { list-style: none; padding: 0; margin: 0; }
.checklist li { padding: 4px 0; font-size: 0.88rem; }
.ok { color: var(--success); }
.ko { color: var(--error); }

.log-box {
  background: #101319; color: #d5dbe6; font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.8rem; border-radius: 8px; padding: 12px 14px; max-height: 280px; overflow-y: auto;
}

.mail-preview { border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; margin-bottom: 10px; background: #fbfbfc; }
.mail-preview .subject { font-weight: 600; margin-bottom: 6px; }
.mail-preview .body { white-space: pre-wrap; font-size: 0.85rem; color: #333; }
.mail-preview .to { color: var(--muted); font-size: 0.78rem; }