:root {
  --bg: #070b14;
  --ink: #f4f7fb;
  --muted: #9eb0c7;
  --line: rgba(255, 255, 255, 0.1);
  --manual: #ff8a3d;
  --manual-2: #ffd166;
  --auto: #3d9cff;
  --auto-2: #5dffc2;
  --good: #3dffb0;
  --bad: #ff5d7a;
  --card: rgba(13, 21, 36, 0.72);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.38);
  --font: "Cairo", "Segoe UI", Tahoma, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  direction: rtl;
}
button, input { font-family: inherit; }
button { cursor: pointer; }

.bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(900px 480px at 90% -10%, rgba(61, 156, 255, 0.16), transparent 55%),
    radial-gradient(700px 420px at -10% 110%, rgba(255, 138, 61, 0.16), transparent 50%),
    radial-gradient(500px 360px at 50% 40%, rgba(93, 255, 194, 0.08), transparent 60%),
    var(--bg);
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.45;
  animation: floaty 12s ease-in-out infinite;
}
.orb.a { width: 220px; height: 220px; background: #2ee9c8; top: 8%; left: 8%; }
.orb.b { width: 180px; height: 180px; background: #ff7a59; bottom: 10%; right: 12%; animation-delay: -4s; }
.orb.c { width: 140px; height: 140px; background: #7aa2ff; top: 48%; right: 40%; animation-delay: -7s; }

@keyframes floaty {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(24px, -18px) scale(1.08); }
}
@keyframes rise {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(46, 233, 200, .12);
  color: var(--auto);
  font-weight: 800;
  font-size: 13px;
}
h1, h2, h3 { margin: 0 0 .4em; line-height: 1.25; }
h1 { font-size: clamp(28px, 4.4vw, 42px); font-weight: 900; }
h2 { font-size: clamp(22px, 3vw, 32px); font-weight: 800; }
h3 { font-size: 18px; }
.lead { font-size: clamp(16px, 1.6vw, 19px); color: var(--muted); max-width: 70ch; line-height: 1.75; }

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand b { display: block; font-size: 14px; line-height: 1.2; }
.brand small { color: var(--muted); font-size: 11px; }
.mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--auto), var(--auto-2));
  color: #04130f;
  font-weight: 900;
}

.progress {
  height: 8px;
  background: rgba(255,255,255,.08);
  border-radius: 99px;
  overflow: hidden;
}
.progress i {
  display: block;
  height: 100%;
  width: 8%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--manual), var(--auto));
  transition: width .4s ease;
}

.icon-btn {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: var(--ink);
  min-width: 40px;
  height: 44px;
  padding: 0 16px;
  border-radius: 12px;
  font-weight: 800;
}
.start {
  border: 0;
  background: linear-gradient(135deg, var(--manual), #ffb347);
  color: #2b1208;
  font-weight: 900;
  font-size: 20px;
  padding: 14px 28px;
  border-radius: 18px;
  box-shadow: 0 16px 40px rgba(255,122,89,.28);
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 16px 18px;
}
.card p { margin: 0; color: var(--muted); line-height: 1.7; }
.score-ring {
  width: 160px; height: 160px; margin: 10px auto 18px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: conic-gradient(var(--auto) var(--p, 0%), rgba(255,255,255,.08) 0);
}
.score-ring b {
  width: 128px; height: 128px; border-radius: 50%;
  background: var(--bg);
  display: grid; place-items: center;
  font-size: 28px;
}

.exam-page { overflow: auto; min-height: 100%; height: auto; }
.exam-top {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 22px;
  background: rgba(7, 11, 20, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.exam-wrap {
  position: relative;
  z-index: 1;
  max-width: 820px;
  margin: 0 auto;
  padding: 28px 18px 60px;
}
.exam-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 28px 26px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  animation: rise .5s ease both;
}
.exam-meta {
  margin: 18px 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.exam-meta li {
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  color: var(--muted);
}
.exam-meta strong { color: var(--ink); }
.exam-name {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
  font-weight: 800;
  font-size: 14px;
}
.exam-name .req { color: var(--bad); }
.exam-name input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.25);
  color: var(--ink);
  font: inherit;
  font-size: 16px;
}
.exam-name input:focus {
  outline: 2px solid rgba(61, 156, 255, 0.45);
  border-color: transparent;
}
.exam-name .name-hint {
  color: var(--muted);
  font-weight: 700;
  font-size: 12px;
}
.exam-name.is-invalid input {
  border-color: var(--bad);
  outline: 2px solid rgba(255, 93, 122, 0.35);
}
.exam-name.is-invalid .name-hint { color: var(--bad); }
.save-status {
  margin: 0 0 14px;
  padding: 10px 14px;
  border-radius: 12px;
  font-weight: 800;
  font-size: 14px;
}
.save-status.ok {
  background: rgba(61, 255, 176, 0.12);
  color: var(--good);
  border: 1px solid rgba(61, 255, 176, 0.28);
}
.save-status.bad {
  background: rgba(255, 93, 122, 0.12);
  color: var(--bad);
  border: 1px solid rgba(255, 93, 122, 0.28);
}
.save-status.wait {
  background: rgba(61, 156, 255, 0.12);
  color: var(--auto);
  border: 1px solid rgba(61, 156, 255, 0.28);
}
.exam-progress { display: grid; gap: 8px; margin-bottom: 16px; }
.exam-progress span { font-weight: 800; color: var(--muted); font-size: 13px; }
.exam-progress .progress { width: 100%; }
.exam-tag {
  display: inline-flex;
  margin-bottom: 10px;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(255, 138, 61, 0.14);
  color: var(--manual-2);
  font-weight: 800;
  font-size: 12px;
}
.exam-scene {
  margin: 0 0 18px;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(61, 156, 255, 0.08);
  border: 1px solid rgba(61, 156, 255, 0.2);
  color: var(--ink);
  line-height: 1.75;
  font-size: 16px;
}
.exam-choices { display: grid; gap: 10px; }
.exam-choice {
  text-align: right;
  width: 100%;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  font: inherit;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.5;
  cursor: pointer;
  transition: border-color .15s, background .15s, transform .15s;
}
.exam-choice:hover {
  border-color: rgba(61, 156, 255, 0.45);
  transform: translateY(-1px);
}
.exam-choice.selected {
  border-color: var(--auto);
  background: rgba(46, 233, 200, 0.12);
}
.exam-nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 22px;
  flex-wrap: wrap;
}
.exam-nav .start { margin: 0; }
.exam-breakdown {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 18px;
}
.exam-breakdown .card h3 { font-size: 15px; margin-bottom: 4px; }
.exam-breakdown .card p { font-size: 22px; font-weight: 900; color: var(--ink); }
.review-block {
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.review-block h2 { margin-top: 10px; }
.review-item {
  margin-top: 14px;
  padding: 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}
.review-item.ok { border-color: rgba(61, 255, 176, 0.35); }
.review-item.bad { border-color: rgba(255, 93, 122, 0.35); }
.review-item h3 { font-size: 16px; margin-bottom: 8px; }
.review-item .why {
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.65;
  font-size: 14px;
}
.review-item .pick { font-size: 14px; margin-top: 6px; }
.review-item .pick b.good { color: var(--good); }
.review-item .pick b.bad { color: var(--bad); }

.exam-card-wide { max-width: none; }
.exam-wrap:has(#dnd:not([hidden])) { max-width: 1100px; }

.dnd-pool {
  min-height: 88px;
  margin: 14px 0 18px;
  padding: 12px;
  border-radius: 18px;
  border: 1px dashed var(--line);
  background: rgba(255, 255, 255, 0.03);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: flex-start;
}
.dnd-pool.over,
.dnd-drop.over,
.dnd-bin.over {
  border-color: var(--auto);
  background: rgba(61, 156, 255, 0.1);
}

.dnd-bins {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.dnd-bin {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 12px;
  background: rgba(0, 0, 0, 0.18);
  cursor: pointer;
}
.dnd-bin h3 { font-size: 15px; margin: 0 0 4px; color: var(--auto-2); }
.dnd-bin > p { margin: 0 0 10px; color: var(--muted); font-size: 12px; }
.dnd-drop {
  min-height: 110px;
  border-radius: 14px;
  border: 1px dashed rgba(255, 255, 255, 0.14);
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.dnd-drop.has-selected {
  border-color: rgba(255, 138, 61, 0.55);
  background: rgba(255, 138, 61, 0.08);
}

.dnd-card {
  text-align: right;
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  color: var(--ink);
  font: inherit;
  font-weight: 700;
  font-size: 13px;
  line-height: 1.45;
  cursor: grab;
}
.dnd-pool .dnd-card {
  width: auto;
  max-width: 100%;
  flex: 1 1 220px;
}
.dnd-card.selected {
  border-color: var(--manual);
  background: rgba(255, 138, 61, 0.16);
  box-shadow: 0 0 0 2px rgba(255, 138, 61, 0.25);
}
.dnd-card.dragging { opacity: 0.45; }
.dnd-card:active { cursor: grabbing; }

@media (max-width: 700px) {
  .exam-breakdown { grid-template-columns: 1fr; }
  .exam-card { padding: 20px 16px; }
  .dnd-bins { grid-template-columns: 1fr; }
}