* { box-sizing: border-box; margin: 0; }
:root {
  --bg: #f4f5f8; --panel: #ffffff; --ink: #1c2333; --muted: #6b7280;
  --accent: #2f5fe0; --accent-ink: #ffffff; --line: #e3e6ee;
  --ok: #15803d; --warn: #b45309; --bad: #b91c1c; --info: #1d4ed8;
}
body { font-family: system-ui, -apple-system, "Segoe UI", sans-serif; background: var(--bg); color: var(--ink); font-size: 14px; }
.hidden { display: none !important; }

/* login */
.login { position: fixed; inset: 0; background: linear-gradient(135deg, #1c2333, #2f5fe0); display: flex; align-items: center; justify-content: center; z-index: 50; }
.login-card { background: #fff; border-radius: 14px; padding: 36px; width: 320px; display: flex; flex-direction: column; gap: 12px; box-shadow: 0 20px 60px rgba(0,0,0,.35); }
.login-card h1 { font-size: 22px; }
.login-card p { color: var(--muted); margin-top: -8px; }

/* layout */
.shell { display: flex; min-height: 100vh; }
.sidebar { width: 210px; background: #1c2333; color: #cbd2e1; display: flex; flex-direction: column; padding: 18px 12px; gap: 2px; position: sticky; top: 0; height: 100vh; }
.sidebar .logo { color: #fff; font-weight: 700; font-size: 17px; padding: 6px 10px 18px; }
.sidebar .logo span { color: #7c9bf5; font-weight: 400; }
.sidebar a { color: #cbd2e1; text-decoration: none; padding: 9px 10px; border-radius: 8px; }
.sidebar a:hover { background: rgba(255,255,255,.07); color: #fff; }
.sidebar a.active { background: var(--accent); color: #fff; }
.sidebar .spacer { flex: 1; }
main { flex: 1; padding: 28px 32px; max-width: 1200px; }

h2 { font-size: 20px; margin-bottom: 16px; }
h3 { font-size: 15px; margin: 18px 0 8px; }
.page-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; flex-wrap: wrap; gap: 10px; }
.page-head h2 { margin: 0; }

/* widgets */
.cards { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; min-width: 130px; }
.card .num { font-size: 22px; font-weight: 700; }
.card .lbl { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }

table { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { background: #f8f9fc; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
tr:last-child td { border-bottom: 0; }
tr.clickable { cursor: pointer; }
tr.clickable:hover { background: #f6f8ff; }

.badge { display: inline-block; padding: 3px 9px; border-radius: 99px; font-size: 12px; font-weight: 600; }
.badge.draft { background: #eef0f5; color: var(--muted); }
.badge.scheduled { background: #fef3c7; color: var(--warn); }
.badge.running { background: #dcfce7; color: var(--ok); }
.badge.paused { background: #fef3c7; color: var(--warn); }
.badge.completed { background: #dbeafe; color: var(--info); }
.badge.cancelled { background: #fee2e2; color: var(--bad); }
.badge.email { background: #ede9fe; color: #6d28d9; }
.badge.sms { background: #cffafe; color: #0e7490; }

.progress { background: #eef0f5; border-radius: 99px; height: 8px; width: 140px; overflow: hidden; }
.progress > div { background: var(--accent); height: 100%; border-radius: 99px; transition: width .4s; }

/* forms */
form.panel, .panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; margin-bottom: 18px; }
label { display: block; font-weight: 600; margin: 12px 0 4px; }
label:first-child { margin-top: 0; }
input[type=text], input[type=password], input[type=email], input[type=number], input[type=datetime-local], select, textarea {
  width: 100%; padding: 9px 11px; border: 1px solid var(--line); border-radius: 8px; font: inherit; background: #fff;
}
textarea { min-height: 90px; resize: vertical; }
textarea.code { font-family: ui-monospace, Consolas, monospace; min-height: 220px; }
.row { display: flex; gap: 14px; flex-wrap: wrap; }
.row > div { flex: 1; min-width: 180px; }
.hint { color: var(--muted); font-size: 12px; margin-top: 4px; }

button, .btn { background: var(--accent); color: var(--accent-ink); border: 0; border-radius: 8px; padding: 9px 16px; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; display: inline-block; }
button:hover, .btn:hover { filter: brightness(1.08); }
button.secondary, .btn.secondary { background: #eef0f5; color: var(--ink); }
button.danger, .btn.danger { background: #fee2e2; color: var(--bad); }
button.small, .btn.small { padding: 5px 10px; font-size: 12px; }
.actions { display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap; }
.error { color: var(--bad); min-height: 18px; font-size: 13px; }

.toast { position: fixed; bottom: 22px; right: 22px; background: #1c2333; color: #fff; padding: 12px 18px; border-radius: 10px; box-shadow: 0 8px 30px rgba(0,0,0,.25); z-index: 60; }
.toast.bad { background: var(--bad); }

.variant-box { border: 1px solid var(--line); border-radius: 8px; padding: 10px; margin-bottom: 8px; background: #fafbfe; }
.variant-box textarea { min-height: 60px; }
.muted { color: var(--muted); }
.right { text-align: right; }
.mt0 { margin-top: 0; }