/* AI Partner Agent Teacher — gateway chrome (login, admin, error pages).
   Palette mirrors the A.I Partner site: deep green surfaces, lime accent. */

:root {
  --deep: #052b17;
  --deep-2: #06170f;
  --green: #2e7d44;
  --lime: #a1dc2e;
  --light: #f6f5ef;
  --ink: #111312;
  --muted: #9fb3a6;
  --danger: #c0392b;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--deep-2);
  color: var(--light);
}

body.login, body.admin {
  background:
    radial-gradient(1200px 600px at 20% -10%, rgba(46, 125, 68, 0.35), transparent 60%),
    radial-gradient(900px 500px at 110% 10%, rgba(161, 220, 46, 0.12), transparent 55%),
    var(--deep-2);
}

/* ── login ──────────────────────────────────────────────────────────── */
.login {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: rgba(5, 43, 23, 0.92);
  border: 1px solid rgba(161, 220, 46, 0.18);
  border-radius: 16px;
  padding: 32px 28px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.login-mark { display: block; margin: 0 auto 14px; }

.login-card h1 {
  margin: 0 0 4px;
  font-size: 1.32rem;
  letter-spacing: -0.01em;
  text-align: center;
}

.login-card .sub {
  margin: 0 0 22px;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.login-card label, .card label {
  display: block;
  margin-bottom: 14px;
  font-size: 0.82rem;
  color: var(--muted);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.login-card input, .card input, .card select,
table input[type="password"] {
  width: 100%;
  margin-top: 6px;
  padding: 11px 12px;
  border-radius: 10px;
  border: 1px solid rgba(159, 179, 166, 0.25);
  background: rgba(0, 0, 0, 0.35);
  color: var(--light);
  font-size: 0.98rem;
  text-transform: none;
  letter-spacing: normal;
}

.login-card input:focus, .card input:focus, .card select:focus {
  outline: 2px solid var(--lime);
  outline-offset: 1px;
  border-color: transparent;
}

button, .button {
  display: inline-block;
  width: 100%;
  padding: 12px 16px;
  border: 0;
  border-radius: 10px;
  background: var(--lime);
  color: var(--deep);
  font-weight: 650;
  font-size: 0.98rem;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
}

button:hover, .button:hover { filter: brightness(1.06); }

button.link {
  background: none;
  color: var(--lime);
  width: auto;
  padding: 0;
  font-weight: 500;
  font-size: 0.88rem;
}

button.danger { background: var(--danger); color: #fff; }

.error, .notice {
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 0.88rem;
  margin: 0 0 16px;
}

.error { background: rgba(192, 57, 43, 0.16); border: 1px solid rgba(192, 57, 43, 0.5); }
.notice { background: rgba(161, 220, 46, 0.12); border: 1px solid rgba(161, 220, 46, 0.35); }

.foot {
  margin: 22px 0 0;
  text-align: center;
  color: rgba(159, 179, 166, 0.6);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

/* ── admin ──────────────────────────────────────────────────────────── */
.admin header {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid rgba(161, 220, 46, 0.14);
}

.admin header h1 { font-size: 1.05rem; margin: 0; letter-spacing: -0.01em; }

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.88rem;
  flex-wrap: wrap;
}

.nav a { color: var(--lime); text-decoration: none; }
.nav .who em { color: var(--muted); font-style: normal; font-size: 0.78rem; }
.nav form.inline { display: inline; margin: 0; }

.admin main { max-width: 1080px; margin: 0 auto; padding: 24px; }
.admin h2 { font-size: 1.15rem; margin: 8px 0 20px; }

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 28px;
  font-size: 0.9rem;
}

th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid rgba(159, 179, 166, 0.12);
  vertical-align: middle;
}

th { color: var(--muted); font-weight: 500; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; }

td.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
td.actions form { display: flex; gap: 6px; margin: 0; }
td.actions input[type="password"] { width: 150px; margin: 0; padding: 7px 9px; font-size: 0.85rem; }
td.actions button { width: auto; padding: 7px 12px; font-size: 0.82rem; }

.card {
  background: rgba(5, 43, 23, 0.7);
  border: 1px solid rgba(161, 220, 46, 0.16);
  border-radius: 14px;
  padding: 22px;
  max-width: 460px;
}

.card h3 { margin: 0 0 16px; font-size: 1rem; }

.admin footer, .login footer {
  text-align: center;
  color: rgba(159, 179, 166, 0.5);
  font-size: 0.75rem;
  padding: 24px;
}

@media (max-width: 640px) {
  .admin main { padding: 16px; }
  td.actions { flex-direction: column; align-items: stretch; }
  td.actions input[type="password"] { width: 100%; }
}