:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1f2430;
  --muted: #6b7280;
  --primary: #b8305c;
  --primary-dark: #8f2347;
  --ok: #1a8a4a;
  --bad: #c0392b;
  --border: #e3e5ea;
  font-family: "Segoe UI", Tahoma, "Noto Sans Arabic", "Noto Naskh Arabic", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

#app { max-width: 960px; margin: 0 auto; padding: 16px; }

.lang-row { display: flex; gap: 8px; justify-content: flex-end; margin-bottom: 12px; }
.lang-flag-btn {
  display: flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border: 2px solid transparent; background: var(--card);
  border-radius: 50%; cursor: pointer; padding: 0; overflow: hidden; box-shadow: 0 0 0 1px var(--border);
}
.lang-flag-btn.active { border-color: var(--primary); box-shadow: 0 0 0 1px var(--primary); }
.flag-emoji { font-size: 20px; line-height: 1; }
.flag-svg { width: 22px; height: 15px; border-radius: 2px; display: block; }

.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 20px; margin-bottom: 16px;
}
.center-card { max-width: 420px; margin: 40px auto; text-align: center; }
.brand-logo { width: 84px; height: 84px; display: block; margin: 0 auto 12px; border-radius: 16px; }

h1 { font-size: 22px; margin: 0 0 8px; }
h2 { font-size: 18px; margin: 0 0 12px; }

form label { display: block; text-align: start; margin-bottom: 12px; font-size: 14px; color: var(--muted); }
form input, form select {
  width: 100%; padding: 10px; margin-top: 4px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 15px; background: #fff; color: var(--text);
}

button {
  cursor: pointer; border: none; border-radius: 8px; padding: 10px 18px; font-size: 14px;
  background: #eee; color: var(--text);
}
button.primary { background: var(--primary); color: #fff; }
button.primary:hover { background: var(--primary-dark); }
button.ghost { background: transparent; border: 1px solid var(--border); }
button.link { background: none; padding: 4px 8px; text-decoration: underline; color: var(--primary); }
button.link.danger { color: var(--bad); }
button.link.warn { color: #a06600; }
button:disabled { opacity: .5; cursor: not-allowed; }

.err { color: var(--bad); font-size: 13px; min-height: 18px; }
.hint { color: var(--muted); font-size: 12px; margin: -6px 0 10px; }

.pw-wrap { position: relative; display: flex; }
.pw-wrap input { flex: 1; padding-inline-end: 40px; }
.pw-eye {
  position: absolute; inset-inline-end: 4px; top: 50%; transform: translateY(-50%);
  width: 32px; height: 32px; border-radius: 6px; background: transparent; padding: 0;
  font-size: 16px; line-height: 1; display: flex; align-items: center; justify-content: center;
}
.pw-eye:hover { background: var(--bg); }
.notice { background: #fff7e6; border: 1px solid #f0c36d; padding: 10px; border-radius: 8px; margin-top: 10px; font-size: 14px; }

.shell { display: flex; flex-direction: column; gap: 12px; }
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 12px 16px;
}
.brand { font-weight: 700; }
.who { color: var(--muted); font-size: 13px; flex: 1; text-align: center; }

.tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.tabs button { background: var(--card); border: 1px solid var(--border); }
.tabs button.active { background: var(--primary); color: #fff; border-color: var(--primary); }

table.grid { width: 100%; border-collapse: collapse; background: var(--card); border-radius: 12px; overflow: hidden; }
table.grid th, table.grid td { padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 14px; text-align: start; }
table.grid th { background: #fafafa; color: var(--muted); font-weight: 600; }
.row-actions { display: flex; gap: 8px; flex-wrap: wrap; }
table.grid .mono { font-family: "Courier New", monospace; letter-spacing: .5px; }

.q-list { display: flex; flex-direction: column; gap: 10px; }
.q-card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 12px; }
.q-card.inactive { opacity: .55; }
.q-head { display: flex; gap: 6px; margin-bottom: 6px; }
.tag { font-size: 11px; background: #eef1f5; border-radius: 12px; padding: 2px 10px; color: var(--muted); }
.tag.warn { background: #fdecea; color: var(--bad); }
.q-thumb { max-width: 160px; border-radius: 8px; margin-top: 8px; display: block; }
.q-image { max-width: 100%; border-radius: 10px; margin: 10px 0; }

.opt-set { border: 1px dashed var(--border); border-radius: 8px; padding: 8px; margin-bottom: 8px; display: flex; gap: 6px; }
.opt-set input { margin-top: 0; }

.q-answer { margin-top: 8px; font-size: 13px; }
.opt-preview { padding: 3px 8px; color: var(--muted); }
.opt-preview.correct { color: var(--ok); font-weight: 600; }

.exam-progress { text-align: center; color: var(--muted); font-size: 14px; }
.q-card-big { max-width: 640px; margin: 0 auto; }
.q-card-big .q-text { font-size: 17px; margin-bottom: 10px; }
.option {
  display: block; border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px; margin-bottom: 8px;
  cursor: pointer; font-size: 15px;
}
.option.picked { border-color: var(--primary); background: #fdf1f5; }
.option input { width: auto; margin-inline-end: 8px; }
.exam-nav { max-width: 640px; margin: 0 auto; justify-content: space-between; }

.review-row { padding: 6px 0; border-bottom: 1px dashed var(--border); font-size: 14px; }
.review-row.ok { color: var(--ok); }
.review-row.bad { color: var(--bad); }

@media (max-width: 640px) {
  .topbar { flex-direction: column; align-items: stretch; text-align: center; }
}