:root {
  --bg: #0f1115;
  --card: #181c24;
  --card-2: #1f2430;
  --text: #e8eaee;
  --muted: #9aa3b2;
  --accent: #4f29b7;
  --accent-2: #7c5cff;
  --ok: #2fbf71;
  --danger: #e5484d;
  --line: #2a3040;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(124, 92, 255, .15), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: "Segoe UI", "Noto Sans Arabic", system-ui, -apple-system, sans-serif;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.wrap { width: 100%; max-width: 520px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .45);
}
.card.ok { border-color: rgba(47, 191, 113, .5); }
.card.error { border-color: rgba(229, 72, 77, .55); }
.logo {
  display: inline-block;
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 2px;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}
h2 { margin: 0 0 8px; font-size: 22px; }
p { margin: 0 0 14px; line-height: 1.6; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
form { display: grid; gap: 14px; }
label { display: grid; gap: 6px; font-size: 13px; color: var(--muted); }
input {
  background: var(--card-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: border-color .15s;
}
input:focus { border-color: var(--accent-2); }
.btn {
  display: inline-block;
  border: 1px solid var(--line);
  background: var(--card-2);
  color: var(--text);
  border-radius: 10px;
  padding: 11px 18px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: transform .08s, background .15s;
}
.btn:hover { background: #262c3a; }
.btn:active { transform: scale(.97); }
.btn[type="submit"] {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border: none;
}
.btn.danger { color: #ffb4b6; border-color: rgba(229, 72, 77, .5); }
.badge {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(47, 191, 113, .16);
  color: #7fe3ad;
  border: 1px solid rgba(47, 191, 113, .4);
}
.badge.off {
  background: rgba(229, 72, 77, .14);
  color: #ffb4b6;
  border-color: rgba(229, 72, 77, .4);
}
.badge.assignment { background: rgba(124,92,255,.18); color: #c4b6ff; border-color: rgba(124,92,255,.45); }
.badge.material   { background: rgba(47,191,113,.16); color: #7fe3ad; border-color: rgba(47,191,113,.4); }
.badge.exam       { background: rgba(255,176,32,.16); color: #ffd48a; border-color: rgba(255,176,32,.45); }
.badge.grade      { background: rgba(79,195,247,.16); color: #a8e4ff; border-color: rgba(79,195,247,.45); }
.item {
  border-top: 1px solid var(--line);
  padding: 12px 0;
}
.item .badge { margin-bottom: 6px; display: inline-block; }
h3 { margin: 0 0 10px; font-size: 16px; color: var(--muted); }
.card + .card { margin-top: 14px; }