:root {
  color-scheme: light;
  --green: #0f6e4f;
  --green-dark: #0b5038;
  --bg: #f4f5f7;
  --card: #ffffff;
  --text: #1a1a1a;
  --muted: #616a72;
  --border: #e2e2e2;
  --danger: #b3261e;
  --danger-bg: #fdecea;
  --ok-bg: #e8f5ee;
}

* { box-sizing: border-box; }

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

a { color: var(--green); }

.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  background: var(--green);
  color: #fff;
  padding: 12px 20px;
}

.topbar .brand { font-weight: 700; font-size: 18px; }

.topbar nav { display: flex; gap: 16px; flex-wrap: wrap; flex: 1; }

.topbar nav a { color: #fff; text-decoration: none; font-size: 14px; opacity: 0.92; }
.topbar nav a:hover { text-decoration: underline; }

.logout-form { margin: 0; }
.logout-form button {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.6);
  color: #fff;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
}

main { max-width: 960px; margin: 0 auto; padding: 24px 16px 48px; }

h1 { font-size: 22px; margin: 0 0 16px; }
h2 { font-size: 16px; margin: 28px 0 12px; color: var(--muted); }

.card, .login-card, .stat-card {
  background: var(--card);
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.login-page main { display: flex; justify-content: center; align-items: center; min-height: 80vh; }
.login-card { width: 100%; max-width: 360px; }
.login-card h1 { text-align: center; }

label { display: block; margin-bottom: 14px; font-size: 14px; color: var(--muted); }
input[type="text"], input[type="password"] {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 15px;
}

button, .btn {
  display: inline-block;
  background: var(--green);
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
button:hover, .btn:hover { background: var(--green-dark); }
button.secondary { background: #eef2f0; color: var(--green); }
button.danger { background: var(--danger); }

.flash { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.flash-ok { background: var(--ok-bg); color: var(--green-dark); }
.flash-error, .error { background: var(--danger-bg); color: var(--danger); padding: 10px 14px; border-radius: 6px; margin-bottom: 14px; font-size: 14px; }

.stats-grid { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 8px; }
.stat-card { min-width: 140px; text-align: center; }
.stat-value { display: block; font-size: 28px; font-weight: 700; color: var(--green); }
.stat-label { display: block; font-size: 13px; color: var(--muted); margin-top: 4px; }

table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: 8px; overflow: hidden; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 14px; }
th { color: var(--muted); font-weight: 600; background: #fafbfb; }

.inline-form { display: inline; margin: 0 4px 0 0; }

.pill { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; }
.pill-active { background: var(--ok-bg); color: var(--green-dark); }
.pill-inactive { background: #efefef; color: var(--muted); }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge-aprobada { background: var(--ok-bg); color: var(--green-dark); }
.badge-pendiente { background: #fff4e0; color: #9a6400; }
.badge-rechazada { background: var(--danger-bg); color: var(--danger); }
.badge-pausada { background: #efefef; color: var(--muted); }

/* Message statuses (spec-v4 §4/§7-ter, admin-panel P4). */
.badge-en_cola, .badge-enviando { background: #fff4e0; color: #9a6400; }
.badge-enviado, .badge-entregado, .badge-leido, .badge-disponible { background: var(--ok-bg); color: var(--green-dark); }
.badge-fallido { background: var(--danger-bg); color: var(--danger); }
.badge-cancelado, .badge-vencido { background: #efefef; color: var(--muted); }

.muted { color: var(--muted); font-size: 14px; }

pre { white-space: pre-wrap; word-break: break-word; background: #f4f5f7; padding: 10px; border-radius: 6px; font-size: 13px; }

details.card { margin-bottom: 12px; }
details.card summary { cursor: pointer; font-weight: 600; }
details.card[open] summary { margin-bottom: 12px; }

.secret-value { display: inline-block; background: #f4f5f7; padding: 6px 10px; border-radius: 6px; font-size: 14px; word-break: break-all; }