/* بوابة الدخول ولوحة تشغيل المختبر — طبقة واجهة مستقلة فوق المكونات العامة */
#app.is-entry .topbar,
#app.is-entry .sidebar,
#app.is-entry .tabbar { display: none !important; }
#app.is-entry .layout { display: block; min-height: 100vh; }
#app.is-entry .view { width: 100%; min-height: 100vh; }
#app.is-entry .view > .wrap { max-width: none; padding: 0; }

.entry-gate {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(390px, .84fr) minmax(0, 1.16fr);
  gap: clamp(1.5rem, 4.8vw, 5.5rem);
  align-items: center;
  padding: clamp(1.4rem, 5vw, 5.1rem);
  color: #eff8ff;
  background:
    radial-gradient(ellipse at 8% 10%, rgba(38, 115, 168, .18), transparent 42%),
    radial-gradient(ellipse at 90% 96%, rgba(255, 180, 84, .07), transparent 34%),
    #071426;
  overflow: hidden;
}
.entry-gate__copy { width: min(100%, 600px); margin-inline-start: auto; position: relative; z-index: 1; }
.entry-mark { width: 62px; height: 62px; display: grid; place-items: center; color: #51caff; margin-bottom: 1.55rem; filter: drop-shadow(0 0 18px rgba(56,189,248,.22)); }
.entry-mark svg { width: 100%; height: 100%; }
.entry-eyebrow { display: flex; align-items: center; gap: .55rem; color: #91bbd5; font-size: .82rem; letter-spacing: .04em; margin: 0 0 .65rem; }
.entry-live-dot, .entry-visual__status i { width: 8px; height: 8px; border-radius: 50%; background: #5de0c1; box-shadow: 0 0 12px rgba(93,224,193,.75); display: inline-block; }
.entry-gate h1 { font-size: clamp(2.6rem, 5.2vw, 5rem); letter-spacing: -.045em; line-height: 1.12; margin: 0; color: #f5fbff; }
.entry-gate h1 em { color: #59caff; font-style: normal; text-shadow: 0 0 26px rgba(56,189,248,.16); }
.entry-lead { max-width: 40rem; color: #b9cfdf; font-size: clamp(1rem, 1.45vw, 1.18rem); line-height: 1.95; margin: 1rem 0 1.35rem; }
.entry-school { border: 1px solid rgba(113,166,203,.27); border-radius: 16px; padding: 1rem 1.1rem; background: linear-gradient(140deg, rgba(15,39,65,.9), rgba(8,27,48,.68)); box-shadow: 0 18px 48px rgba(0,0,0,.16); }
.entry-school__header { display: flex; justify-content: space-between; gap: .8rem; align-items: center; padding-bottom: .6rem; margin-bottom: .6rem; border-bottom: 1px solid rgba(113,166,203,.2); color: #73d5ff; font-size: .72rem; letter-spacing: .06em; }
.entry-school h2 { color: #f1f8fd; font-size: clamp(1rem, 1.5vw, 1.2rem); margin: 0 0 .6rem; }
.entry-credit, .entry-students { display: grid; grid-template-columns: 116px 1fr; gap: .5rem; color: #91aabd; font-size: .82rem; align-items: start; }
.entry-credit strong { color: #eaf5fb; font-weight: 600; }
.entry-students { margin-top: .5rem; }
.entry-students > span { padding-top: .1rem; }
.entry-students div { display: flex; flex-wrap: wrap; gap: .35rem .45rem; }
.entry-students div > span { display: inline-flex; align-items: center; gap: .3rem; color: #dcecf6; white-space: nowrap; }
.entry-students i { color: #ffbd68; font: 600 .66rem ui-monospace, monospace; font-style: normal; }
.entry-enter { margin-top: 1.05rem; width: min(100%, 325px); min-height: 56px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .75rem 1.1rem; border-radius: 12px; background: linear-gradient(100deg, #38bdf8, #54d5ed); color: #061426; font-size: 1rem; font-weight: 700; box-shadow: 0 12px 30px rgba(33,159,210,.22); transition: transform 180ms ease, box-shadow 180ms ease, filter 180ms ease; }
.entry-enter:hover { color: #061426; transform: translateY(-2px); box-shadow: 0 16px 38px rgba(33,159,210,.3); filter: brightness(1.04); }
.entry-enter b { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 9px; background: rgba(5,30,50,.12); font-size: 1.2rem; }
.entry-footnote { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .35rem 1rem; max-width: 420px; margin-top: .75rem; color: #829db2; font-size: .7rem; }
.entry-gate__visual { position: relative; min-height: min(78vh, 760px); height: 100%; border: 1px solid rgba(112,176,213,.25); border-radius: 26px; overflow: hidden; isolation: isolate; background:
  linear-gradient(180deg, rgba(5,15,29,.45), rgba(5,15,29,.02) 38%, rgba(5,15,29,.55)),
  url('/manus-storage/async-images/JxsrP2RNwF02k51YRJ8Vlq/image-1.webp') right center / cover no-repeat,
  linear-gradient(110deg, rgba(5,15,29,.42), transparent 48%, rgba(5,15,29,.16)),
  radial-gradient(ellipse at 58% 62%, rgba(44,143,201,.32), transparent 48%),
  linear-gradient(155deg, #112b48 2%, #091b31 52%, #07111f 100%);
  box-shadow: 0 32px 90px rgba(0,0,0,.32), inset 0 0 90px rgba(6,20,36,.16);
}
.entry-gate__visual::before { content: ''; position: absolute; inset: 0; z-index: -1; opacity: .55; background: radial-gradient(circle at 77% 17%, #d9f3ff 0 1px, transparent 1.7px), radial-gradient(circle at 63% 26%, #b5eaff 0 1px, transparent 1.8px), radial-gradient(circle at 86% 34%, #fff 0 1px, transparent 1.8px), radial-gradient(circle at 53% 12%, #fff 0 1px, transparent 1.8px), radial-gradient(circle at 35% 22%, #a8e1ff 0 1px, transparent 1.8px), radial-gradient(circle at 28% 39%, #fff 0 1px, transparent 1.8px), radial-gradient(circle at 93% 52%, #d7f2ff 0 1px, transparent 1.8px); }
.entry-gate__visual::after { content: ''; position: absolute; inset-inline: -10%; bottom: -1px; height: 30%; background: linear-gradient(180deg, transparent, rgba(2,12,24,.28) 30%, rgba(2,12,24,.83)); pointer-events: none; }
.entry-visual__top, .entry-visual__caption { position: absolute; z-index: 2; inset-inline: 1rem; display: flex; align-items: center; justify-content: space-between; gap: .7rem; color: rgba(222,241,252,.77); font: 600 .65rem ui-monospace, monospace; letter-spacing: .09em; }
.entry-visual__top { top: 1rem; }
.entry-visual__status { display: inline-flex; align-items: center; gap: .45rem; padding: .45rem .62rem; border: 1px solid rgba(93,224,193,.26); border-radius: 999px; color: #c5f4ea; background: rgba(4,20,35,.56); backdrop-filter: blur(10px); }
.entry-visual__status i { width: 6px; height: 6px; }
.entry-visual__readout { position: absolute; z-index: 2; min-width: 148px; padding: .65rem .75rem; border: 1px solid rgba(120,184,219,.25); border-radius: 12px; background: rgba(5,20,36,.61); backdrop-filter: blur(9px); box-shadow: 0 8px 24px rgba(0,0,0,.12); display: flex; flex-direction: column; gap: .12rem; }
.entry-visual__readout small { color: #74c9ef; font: 600 .61rem ui-monospace, monospace; letter-spacing: .08em; }
.entry-visual__readout strong { color: #f2f8fc; font: 600 .83rem ui-monospace, monospace; }
.entry-visual__readout span { color: #9ab2c4; font: .59rem ui-monospace, monospace; }
.entry-visual__readout--top { top: 5rem; inset-inline-end: 1rem; }
.entry-visual__readout--bottom { bottom: 4rem; inset-inline-start: 1rem; }
.entry-visual__caption { bottom: 1rem; color: rgba(221,239,249,.69); }
.entry-visual__orbit { position: absolute; z-index: 1; width: 60%; height: 28%; bottom: 7%; inset-inline-end: -12%; border: 1px solid rgba(83,203,255,.28); border-radius: 50%; transform: rotate(-20deg); box-shadow: 0 0 18px rgba(56,189,248,.08); }

.lab-console-page { max-width: 1500px; }
.lab-console-header { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; margin: .15rem 0 1rem; }
.lab-console-header h1 { font-size: clamp(1.55rem, 2.4vw, 2.15rem); margin: .1rem 0 .25rem; }
.lab-console-header p { max-width: 64ch; }
.lab-console-header__actions { display: flex; align-items: center; flex-wrap: wrap; gap: .5rem; }
.lab-console { display: grid; grid-template-columns: 252px minmax(0, 1fr); gap: .9rem; align-items: start; direction: rtl; }
.lab-console__nav { position: sticky; top: calc(var(--topbar-h) + .8rem); display: flex; flex-direction: column; gap: .22rem; padding: .8rem; border: 1px solid var(--line); border-radius: 16px; background: linear-gradient(160deg, var(--panel), color-mix(in srgb, var(--panel) 72%, var(--bg))); box-shadow: var(--shadow); }
.lab-console__nav-title { display: flex; justify-content: space-between; margin: .2rem .45rem .55rem; color: var(--muted); font-size: .75rem; font-weight: 600; }
.lab-console__nav-title span { color: var(--accent); font: 600 .67rem ui-monospace, monospace; }
.lab-console__link { min-height: 42px; display: grid; grid-template-columns: 32px 1fr 12px; align-items: center; gap: .45rem; padding: .48rem .48rem; border: 1px solid transparent; border-radius: 10px; color: var(--txt-2); font-size: .84rem; transition: background 150ms ease, border-color 150ms ease, color 150ms ease; }
.lab-console__link:hover { color: var(--txt); background: var(--panel-2); border-color: var(--line); }
.lab-console__link.is-active { color: var(--txt); background: color-mix(in srgb, var(--accent) 12%, var(--panel)); border-color: color-mix(in srgb, var(--accent) 38%, transparent); }
.lab-console__number { color: #ffbd68; font: 600 .69rem ui-monospace, monospace; }
.lab-console__link.is-active .lab-console__number { color: var(--accent); }
.lab-console__arrow { color: var(--muted); font-size: 1.2rem; line-height: 1; }
.lab-console__local-note { margin: .55rem .4rem .15rem; padding-top: .6rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .68rem; }
.lab-console__body { min-width: 0; padding: clamp(.85rem, 2vw, 1.35rem); border: 1px solid var(--line); border-radius: 16px; background: linear-gradient(155deg, color-mix(in srgb, var(--panel) 96%, var(--accent)), var(--bg-2)); box-shadow: var(--shadow); }
.station-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.station-heading h2 { font-size: clamp(1.25rem, 2vw, 1.8rem); margin: .08rem 0 .25rem; }
.station-heading .muted { max-width: 68ch; }
.station-clock { flex: none; border: 1px solid var(--line-2); border-radius: 9px; padding: .35rem .55rem; color: var(--accent); background: var(--panel); font-size: .65rem; }
.lab-telemetry-strip { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: .4rem; margin-bottom: .8rem; padding: .55rem; border: 1px solid var(--line); border-radius: 12px; background: color-mix(in srgb, var(--bg) 55%, var(--panel)); }
.lab-telemetry-strip > div { display: flex; flex-direction: column; gap: .05rem; min-width: 0; padding: .2rem .55rem; border-inline-start: 1px solid var(--line); }
.lab-telemetry-strip > div:last-child { border-inline-start: 0; }
.lab-telemetry-strip small { color: var(--muted); font-size: .66rem; }
.lab-telemetry-strip strong { color: var(--txt); font-size: .89rem; font-variant-numeric: tabular-nums; }
.status-dot { width: 7px; height: 7px; display: inline-block; margin-inline-end: .25rem; border-radius: 50%; background: var(--ok); box-shadow: 0 0 9px color-mix(in srgb, var(--ok) 70%, transparent); }
.lab-station-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: .65rem; }
.lab-station-card { position: relative; min-height: 205px; display: flex; flex-direction: column; align-items: flex-start; padding: 1rem; overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: linear-gradient(142deg, var(--panel), color-mix(in srgb, var(--panel-2) 76%, var(--bg))); transition: transform 170ms ease, border-color 170ms ease, box-shadow 170ms ease; }
.lab-station-card::after { content: ''; position: absolute; inset-inline-start: -25px; bottom: -56px; width: 145px; height: 145px; border: 1px solid color-mix(in srgb, var(--accent) 23%, transparent); border-radius: 50%; box-shadow: 0 0 0 16px color-mix(in srgb, var(--accent) 4%, transparent), 0 0 0 34px color-mix(in srgb, var(--accent) 3%, transparent); pointer-events: none; }
.lab-station-card:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--accent) 60%, var(--line)); box-shadow: 0 15px 35px rgba(0,0,0,.18); color: var(--txt); }
.lab-station-card--primary { border-color: color-mix(in srgb, var(--accent) 42%, var(--line)); background: radial-gradient(ellipse at 5% 90%, color-mix(in srgb, var(--accent) 13%, transparent), transparent 45%), linear-gradient(142deg, var(--panel), var(--panel-2)); }
.station-card__index { color: #ffbd68; font: 600 .64rem ui-monospace, monospace; letter-spacing: .06em; }
.station-card__symbol { position: absolute; top: .75rem; inset-inline-start: .85rem; color: var(--accent); font: 600 1.15rem ui-monospace, monospace; opacity: .82; }
.lab-station-card h3 { margin: .65rem 0 .28rem; color: var(--txt); font-size: 1.03rem; }
.lab-station-card p { max-width: 48ch; color: var(--muted); font-size: .79rem; line-height: 1.8; }
.station-card__action { display: flex; gap: .45rem; align-items: center; margin-top: auto; padding-top: .4rem; color: var(--accent); font-size: .76rem; font-weight: 600; }
.lab-briefing { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin: .75rem 0 .4rem; }
.lab-briefing h3 { margin: .1rem 0; }
.lab-briefing p:not(.eyebrow) { margin: 0; color: var(--muted); font-size: .78rem; }
.physics-caveat { color: var(--muted); }
.theory-sequence { display: grid; gap: .55rem; margin-bottom: .8rem; }
.theory-step { display: grid; grid-template-columns: 50px 1fr; gap: .65rem; padding: .8rem; border: 1px solid var(--line); border-radius: 12px; background: color-mix(in srgb, var(--panel) 88%, var(--bg)); }
.theory-step > span { display: grid; place-items: center; width: 40px; height: 40px; border: 1px solid var(--line-2); border-radius: 10px; color: var(--accent); background: var(--panel-2); font: 600 .7rem ui-monospace, monospace; }
.theory-step h3 { margin: .05rem 0 .2rem; }
.theory-step p { color: var(--muted); font-size: .83rem; margin-bottom: .25rem; }
.equation { display: inline-block; padding: .3rem .55rem; border: 1px solid var(--line); border-radius: 8px; color: var(--accent); background: var(--bg); font-size: .82rem; }
.station-actions { display: flex; flex-wrap: wrap; gap: .5rem; margin: .8rem 0; }
.fuel-workbench { display: grid; grid-template-columns: minmax(0,1fr) minmax(250px,.82fr); gap: .85rem; }
.fuel-inputs { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); align-content: start; gap: .55rem; }
.fuel-inputs .physics-field { margin: 0; }
.fuel-inputs input, .fuel-inputs select { min-width: 0; }
.fuel-context { grid-column: 1 / -1; min-height: 3.3em; margin: 0; }
.fuel-inputs [data-apply-fuel] { grid-column: 1 / -1; }
.fuel-result { min-width: 0; padding: 1rem; border: 1px solid var(--line-2); border-radius: 12px; background: linear-gradient(160deg, var(--bg-2), color-mix(in srgb, var(--panel) 84%, var(--accent))); }
.fuel-result__primary { display: flex; flex-direction: column; margin: .5rem 0 .65rem; }
.fuel-result__primary strong { color: var(--accent); font: 700 clamp(1.65rem, 3vw, 2.2rem) ui-monospace, monospace; }
.fuel-result__primary span, .fuel-result__metrics small { color: var(--muted); font-size: .72rem; }
.fuel-result__metrics { display: grid; gap: .35rem; }
.fuel-result__metrics > div { display: flex; align-items: center; justify-content: space-between; gap: .7rem; padding: .4rem 0; border-bottom: 1px solid var(--line); }
.fuel-result__metrics b { color: var(--txt); font-size: .88rem; font-variant-numeric: tabular-nums; }
.fuel-ratio { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: .45rem; margin-top: .7rem; color: var(--muted); font-size: .63rem; }
.fuel-ratio i { height: 7px; border-radius: 99px; background: linear-gradient(to left, #ffb454 var(--fuel-share), #1a3852 var(--fuel-share)); }
.source-row { margin: .6rem 0; }
.source-row a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.notice--info { border-color: color-mix(in srgb, var(--info) 42%, var(--line)); }
.launch-scene__options { display: flex; align-items: center; flex-wrap: wrap; gap: .45rem; }
.launch-scene__options .audio-toggle { color: var(--muted); font-size: .7rem; }
.launch-scene__options input { accent-color: var(--accent); }
.challenge-result { margin: .7rem 0; }
.challenge-target { display: grid; grid-template-columns: 115px 1fr; align-items: center; gap: 1rem; padding: 1.15rem; background: radial-gradient(ellipse at 8% 50%, rgba(255,180,84,.1), transparent 50%), linear-gradient(145deg, var(--panel), var(--panel-2)); }
.challenge-target h3 { margin-bottom: .3rem; }
.challenge-target p { color: var(--muted); font-size: .83rem; }
.challenge-target__badge { display: grid; place-items: center; min-height: 94px; border: 1px solid rgba(255,180,84,.45); border-radius: 15px; color: #ffbd68; background: rgba(255,180,84,.07); font: 700 .84rem ui-monospace, monospace; }
.challenge-checks { display: flex; flex-wrap: wrap; gap: .35rem 1rem; color: var(--txt-2); font-size: .73rem; }
.challenge-best { grid-template-columns: repeat(2,minmax(0,1fr)); max-width: 540px; margin-top: .75rem; }
.quiz-summary { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem; margin: -.3rem 0 .6rem; color: var(--muted); font-size: .78rem; }
.quiz-summary strong { color: var(--accent); }
.quiz-card { min-height: 330px; }
.quiz-progress { display: flex; justify-content: space-between; gap: .8rem; color: var(--muted); font-size: .72rem; }
.quiz-progress__bar { height: 5px; overflow: hidden; margin: .45rem 0 1rem; border-radius: 99px; background: var(--line); }
.quiz-progress__bar i { display: block; width: var(--quiz-progress); height: 100%; background: linear-gradient(90deg, var(--accent), #ffb454); transition: width 160ms ease; }
.quiz-card h3 { margin: 1rem 0 .7rem; font-size: 1.05rem; }
.quiz-options { display: grid; gap: .4rem; }
.quiz-option { width: 100%; padding: .65rem .75rem; border: 1px solid var(--line); border-radius: 10px; text-align: right; color: var(--txt-2); background: var(--panel-2); font: inherit; font-size: .83rem; cursor: pointer; }
.quiz-option:hover:not(:disabled), .quiz-option:focus-visible { border-color: var(--accent); color: var(--txt); }
.quiz-option.is-correct { border-color: var(--ok); color: var(--txt); background: color-mix(in srgb, var(--ok) 12%, var(--panel)); }
.quiz-option.is-incorrect { border-color: var(--danger); color: var(--txt); background: color-mix(in srgb, var(--danger) 10%, var(--panel)); }
.quiz-feedback { min-height: 1.5em; margin: .6rem 0; color: var(--muted); font-size: .8rem; }
.quiz-feedback.is-correct { color: var(--ok); }
.quiz-feedback.is-incorrect { color: var(--warn); }
.quiz-card [data-quiz-next] { margin-top: .2rem; }
.quiz-finish { display: grid; justify-items: start; gap: .25rem; }
.quiz-finish > strong { color: var(--accent); font: 700 3rem ui-monospace, monospace; }

@media (max-width: 1000px) {
  .entry-gate { grid-template-columns: minmax(330px,.9fr) minmax(0,1.1fr); gap: 1.5rem; padding: 1.5rem; }
  .lab-console { grid-template-columns: 218px minmax(0,1fr); }
  .lab-console__nav { padding: .55rem; }
  .lab-console__link { font-size: .78rem; }
}
@media (max-width: 760px) {
  #app.is-entry .view { min-height: 100svh; }
  .entry-gate { min-height: 100svh; grid-template-columns: 1fr; gap: 1.2rem; padding: 1.1rem; }
  .entry-gate__copy { width: 100%; margin: 0 auto; }
  .entry-mark { width: 48px; height: 48px; margin-bottom: .8rem; }
  .entry-gate h1 { font-size: clamp(2.4rem, 10vw, 3.7rem); }
  .entry-lead { margin: .6rem 0 .9rem; font-size: .95rem; }
  .entry-school { padding: .8rem; }
  .entry-credit, .entry-students { grid-template-columns: 100px 1fr; font-size: .76rem; }
  .entry-gate__visual { min-height: 42svh; height: 42svh; border-radius: 18px; }
  .entry-visual__readout--top { top: 3.9rem; }
  .entry-visual__readout--bottom { bottom: 2.8rem; }
  .lab-console-header { align-items: flex-start; flex-direction: column; }
  .lab-console { grid-template-columns: 1fr; }
  .lab-console__nav { position: static; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: .2rem; }
  .lab-console__nav-title, .lab-console__local-note { grid-column: 1 / -1; }
  .lab-console__link { min-height: 39px; grid-template-columns: 27px 1fr 10px; padding: .35rem; font-size: .73rem; }
  .lab-telemetry-strip { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .lab-telemetry-strip > div:nth-child(2) { border-inline-start: 0; }
  .lab-station-grid { grid-template-columns: 1fr; }
  .lab-station-card { min-height: 170px; }
  .fuel-workbench { grid-template-columns: 1fr; }
  .fuel-result { min-height: 245px; }
}
@media (max-width: 460px) {
  .entry-footnote { flex-direction: column; }
  .entry-students div { flex-direction: column; align-items: flex-start; }
  .entry-visual__readout { min-width: 128px; padding: .5rem; }
  .lab-console__nav { grid-template-columns: 1fr; }
  .lab-console__nav-title, .lab-console__local-note { grid-column: auto; }
  .lab-console__body { padding: .7rem; }
  .station-heading { flex-direction: column; }
  .station-clock { align-self: flex-start; }
  .fuel-inputs { grid-template-columns: 1fr; }
  .fuel-context, .fuel-inputs [data-apply-fuel] { grid-column: auto; }
  .challenge-target { grid-template-columns: 1fr; }
  .challenge-target__badge { min-height: 52px; }
  .lab-briefing { align-items: flex-start; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  .entry-enter, .lab-station-card, .quiz-progress__bar i { transition: none; }
}