:root {
  color-scheme: light dark;

  --bg: #fff;
  --bg-2: #f4f4f7;
  --fg: #2a2b2c;
  --muted: rgba(42, 43, 44, .72);
  --border: rgba(42, 43, 44, .8);
  --line: rgba(42, 43, 44, .15);
  --accent: #3548cf;
  --accent-dim: rgba(53, 72, 207, .08);
  --flag: #8f0075;
  --focus: var(--accent);
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: -apple-system, system-ui, "Segoe UI", Arial, sans-serif;
  --wrap: 860px;
  --gap: 24px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #2a2b2c;
    --bg-2: #34363d;
    --fg: #fefff0;
    --muted: rgba(254, 255, 240, .72);
    --border: rgba(254, 255, 240, .8);
    --line: rgba(254, 255, 240, .15);
    --accent: #79a8ff;
    --accent-dim: rgba(121, 168, 255, .12);
    --flag: #f78fe7;
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; border-radius: 0; }
html { -webkit-text-size-adjust: 100%; }
body { background: var(--bg); color: var(--fg); font: 16px/1.6 var(--sans); }

h1 { font: 600 clamp(1.6rem, 4vw, 2.2rem)/1.2 var(--sans); }
h2 { font: 600 1.2rem/1.3 var(--sans); }
a { color: var(--accent); text-decoration: underline; text-underline-offset: .15em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

.eyebrow { font: 600 11px/1 var(--mono); letter-spacing: 1.4px; text-transform: uppercase; color: var(--muted); margin-bottom: 14px; }
.lead { color: var(--muted); margin-top: 8px; }

/* ---- Header (reused from landing) ---- */
.site-header {
  display: flex; align-items: center; justify-content: space-between; gap: var(--gap);
  max-width: calc(var(--wrap) + 2 * var(--gap)); margin: 0 auto; padding: 22px var(--gap);
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--fg); }
.brand-name { font: 700 15px/1 var(--mono); letter-spacing: .3px; color: var(--fg); }
.site-header nav { display: flex; gap: 18px; font: 600 12.5px/1 var(--mono); letter-spacing: .3px; }
.site-header nav a { color: var(--muted); text-decoration: none; }
.site-header nav a:hover { color: var(--accent); }

/* ---- Button (reused from landing) ---- */
.cta, button {
  display: inline-block; background: var(--fg); color: var(--bg); border: 1px solid var(--fg);
  padding: 14px 22px; font: 600 12.5px/1 var(--mono); letter-spacing: .4px; text-decoration: none; cursor: pointer;
}
.cta:hover, button:hover { background: var(--accent); border-color: var(--accent); }

button.btn-danger, .btn-danger {
  background: var(--flag); border-color: var(--flag); color: var(--bg);
}
button.btn-danger:hover, .btn-danger:hover { filter: brightness(1.1); }

button.btn-ghost, .btn-ghost {
  background: transparent; color: var(--fg); border: 1px solid var(--border);
}
button.btn-ghost:hover, .btn-ghost:hover { background: var(--accent-dim); border-color: var(--accent); color: var(--accent); }
button.btn-ghost[disabled], .btn-ghost[disabled] { opacity: .5; cursor: not-allowed; }
button.btn-ghost[disabled]:hover, .btn-ghost[disabled]:hover { background: transparent; border-color: var(--border); color: var(--fg); }

.status-action { margin: var(--gap) 0; }

/* ---- Content shell ---- */
.content { max-width: calc(var(--wrap) + 2 * var(--gap)); margin: 0 auto; padding: clamp(1.5rem, 5vw, 3rem) var(--gap); }

/* ---- Auth pages ---- */
.auth { min-height: 78vh; display: grid; place-items: center; padding: var(--gap); }
.card { width: 100%; max-width: 380px; border: 1px solid var(--border); padding: 32px; background: var(--bg); }
.card h1 { font-size: 1.5rem; }

form.stack { display: flex; flex-direction: column; gap: 16px; margin-top: 22px; }
.field { display: flex; flex-direction: column; gap: 6px; }
label { font: 600 11px/1 var(--mono); letter-spacing: .6px; text-transform: uppercase; color: var(--muted); }
input {
  width: 100%; border: 1px solid var(--border); background: var(--bg); color: var(--fg);
  padding: 12px 14px; font: 15px/1.4 var(--sans);
}
input:focus-visible { outline-offset: -1px; }
form.stack button[type=submit] { width: 100%; text-align: center; margin-top: 4px; }

.alt-links { margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 9px; font-size: 13.5px; }
.error { border: 1px solid var(--flag); color: var(--flag); padding: 10px 14px; font-size: 13.5px; margin-top: 16px; }

/* ---- Dashboard ---- */
.meta + h1, .meta + h2, form + h1, form + h2, .qr-actions + h1, .qr-actions + h2,
form + .stats, .qr-actions + .stats, .lead + .stats, .stats + .stats, .list + h1, .list + h2 { margin-top: 2rem; }

details.stats summary { cursor: pointer; font: 600 1.2rem/1.3 var(--sans); }
details.stats .stats-body { margin-top: 16px; }
.meta { list-style: none; display: flex; flex-wrap: wrap; gap: 10px 28px; margin-top: 16px; font-size: 14px; }
.meta div { display: flex; flex-direction: column; gap: 2px; }
.meta dt { font: 600 11px/1 var(--mono); letter-spacing: .6px; text-transform: uppercase; color: var(--muted); }
.meta dd { color: var(--fg); }

/* ---- App shell (side nav) ---- */
.app-shell {
  display: flex; gap: var(--gap); align-items: flex-start;
  max-width: calc(var(--wrap) + 2 * var(--gap)); margin: 0 auto; padding: 0 var(--gap);
}
.sidenav {
  flex: none; width: 160px; display: flex; flex-direction: column; gap: 4px;
  padding-top: clamp(1.5rem, 5vw, 3rem);
}
.sidenav a {
  font: 600 12.5px/1 var(--mono); letter-spacing: .3px; color: var(--muted);
  text-decoration: none; padding: 8px 0;
}
.sidenav a:hover { color: var(--accent); }
.sidenav a[aria-current="page"] { color: var(--fg); font-weight: 700; }
.sidenav form { margin: 0; }
.sidenav form button {
  display: block; width: 100%; text-align: left; background: none; border: none;
  font: 600 12.5px/1 var(--mono); letter-spacing: .3px; color: var(--muted); padding: 8px 0;
}
.sidenav form button:hover { background: none; border-color: transparent; color: var(--accent); }
.app-shell .content { flex: 1; max-width: none; margin: 0; padding-left: 0; padding-right: 0; }

/* ---- Lists (campaigns, contacts) ---- */
.list { list-style: none; margin-top: 16px; border-top: 1px solid var(--line); }
.list-row {
  position: relative;
  display: flex; align-items: center; justify-content: space-between; gap: var(--gap);
  padding: 14px 0; border-bottom: 1px solid var(--line);
}
.list-row:hover { background: var(--bg-2); }
.row-link { color: inherit; text-decoration: none; }
.row-link::after { content: ""; position: absolute; inset: 0; }
.list-row form { position: relative; z-index: 1; }
.tag {
  font: 600 11px/1 var(--mono); letter-spacing: .4px; text-transform: uppercase; color: var(--muted);
  margin-left: 10px;
}

form.stack textarea {
  width: 100%; border: 1px solid var(--border); background: var(--bg); color: var(--fg);
  padding: 12px 14px; font: 15px/1.4 var(--sans); resize: vertical;
}