/* Phynex — التطبيق ولوحة المدرسة (نيلي داكن، منضبط) */
.app { background: var(--ink); color: var(--on-dark); min-block-size: 100dvh; display: flex; flex-direction: column; }
.app p { color: var(--on-dark-2); }
.app-bar { position: sticky; inset-block-start: 0; z-index: 30; display: flex; align-items: center; gap: .8rem; padding: .4rem var(--gutter); padding-block-start: calc(.4rem + env(safe-area-inset-top)); background: rgba(13, 13, 58, .92); backdrop-filter: blur(10px); border-block-end: 1px solid var(--on-dark-line); min-block-size: 60px; }
.app-bar .mark img { inline-size: 120px; block-size: 40px; }
.app-bar nav { display: flex; gap: .2rem; margin-inline-start: auto; }
.app-bar nav a { display: inline-flex; align-items: center; min-block-size: 44px; padding-inline: .8rem; border-radius: 10px; color: var(--on-dark-2); text-decoration: none; font-weight: 600; }
.app-bar nav a[aria-current="page"] { color: #fff; background: var(--ink-3); }
@media (max-width: 480px) { .app-bar .mark img { inline-size: 92px; } .app-bar nav a { padding-inline: .55rem; } }
#view { flex: 1; outline: none; padding-block: 1.4rem 3rem; }
.app-credit { text-align: center; font-size: .85rem; color: var(--on-dark-2); padding: 1rem var(--gutter) calc(1rem + env(safe-area-inset-bottom)); border-block-start: 1px solid var(--on-dark-line); }
.app .chip-locked { background: rgba(174, 182, 230, .12); color: var(--on-dark-2); }
.app .chip-free { background: rgba(79, 216, 242, .14); color: var(--cyan); }
.app .chip-ready { background: rgba(14, 138, 95, .22); color: #7EE2B8; }
.app .btn-ghost { color: var(--on-dark); }
.app .field input, .app .field select { background: var(--ink-2); color: var(--on-dark); border-color: var(--on-dark-line); }

/* الترحيب وحلقة الأيام */
.hello { display: grid; grid-template-columns: 1fr auto; gap: 1rem 1.5rem; align-items: center; margin-block-end: 1.6rem; }
.hello h1 { font-size: clamp(1.5rem, 1.1rem + 2vw, 2.3rem); margin: 0; color: #fff; }
.hello p { margin: .3rem 0 0; }
.ring { position: relative; inline-size: 92px; block-size: 92px; }
.ring svg { inline-size: 100%; block-size: 100%; transform: rotate(-90deg); }
.ring circle { fill: none; stroke-width: 8; }
.ring .bg { stroke: var(--ink-3); }
.ring .fg { stroke: var(--cyan); stroke-linecap: round; transition: stroke-dashoffset .8s var(--ease); }
.ring.warn .fg { stroke: var(--coral); }
.ring span { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; line-height: 1.1; font-size: .75rem; color: var(--on-dark-2); }
.ring b { font-family: var(--f-head); font-size: 1.6rem; color: #fff; }

/* بطاقات الحالة */
.notice { display: grid; gap: .6rem; padding: 1.2rem 1.2rem; border-radius: var(--r-m); background: var(--ink-2); border: 1px solid var(--on-dark-line); margin-block-end: 1.4rem; }
.notice h2 { font-size: 1.25rem; margin: 0; color: #fff; }
.notice .row { display: flex; flex-wrap: wrap; gap: .6rem; }
.notice.warn { border-color: rgba(255, 122, 116, .5); }

/* البحث والفلترة */
.school-add { display: flex; align-items: end; flex-wrap: wrap; gap: .8rem; margin-block: 1.5rem; }
.school-add .field { flex: 1 1 260px; min-inline-size: 0; }
.school-add .form-msg { flex-basis: 100%; min-block-size: 1.5em; margin: 0; }
.school-code-actions { display: flex; flex-wrap: wrap; gap: .6rem; margin-block: 1rem; }
.toolbar { display: grid; gap: .6rem; grid-template-columns: 1fr; margin-block-end: 1.4rem; }
@media (min-width: 720px) { .toolbar { grid-template-columns: 1fr auto auto auto; align-items: center; } }
.toolbar input[type="search"], .toolbar select { min-block-size: 48px; border-radius: 12px; border: 1.5px solid var(--on-dark-line); background: var(--ink-2); color: var(--on-dark); padding: .4rem .9rem; font: 400 1rem var(--f-body); }
.toolbar .fav-toggle[aria-pressed="true"] { background: var(--on-dark); color: var(--ink); }
.sec-title { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin: 1.8rem 0 .8rem; }
.sec-title h2 { font-size: 1.2rem; margin: 0; color: #fff; }
.sec-title a { color: var(--on-dark-2); font-size: .9rem; }

/* بطاقات التجارب */
.grid { display: grid; gap: .8rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 15rem), 1fr)); }
.card { position: relative; display: grid; grid-template-rows: auto 1fr; border-radius: var(--r-m); background: var(--ink-2); border: 1px solid var(--on-dark-line); overflow: hidden; color: inherit; text-decoration: none; transition: border-color .2s, transform .18s var(--ease); }
.card:hover { border-color: rgba(174, 182, 230, .45); }
.card:active { transform: scale(.985); }
.card .thumb { aspect-ratio: 16 / 9; display: block; background: #0a0a2c; }
@media (max-width: 560px) { .card .thumb { aspect-ratio: 16 / 6; } }
.card .thumb svg { inline-size: 100%; block-size: 100%; }
.card .body { display: grid; gap: .35rem; padding: .7rem .9rem .9rem; align-content: start; }
.card .t { font-weight: 600; line-height: 1.45; color: #fff; }
.card .where { font-size: .82rem; color: var(--on-dark-2); }
.card .chips { display: flex; flex-wrap: wrap; gap: .3rem; }
.card.soon { opacity: .6; }
.star { position: absolute; inset-block-start: 6px; inset-inline-start: 6px; inline-size: 44px; block-size: 44px; border: 0; border-radius: 12px; background: rgba(13, 13, 58, .6); cursor: pointer; display: grid; place-items: center; }
.star svg { inline-size: 22px; block-size: 22px; fill: none; stroke: #fff; stroke-width: 1.8; transition: transform .2s var(--ease); }
.star[aria-pressed="true"] svg { fill: var(--cyan); stroke: var(--cyan); }
.star:active svg { transform: scale(.85); }
.continue { display: grid; grid-template-columns: minmax(8rem, 14rem) 1fr; gap: 1rem; align-items: center; padding: .8rem; border-radius: var(--r-m); background: var(--ink-2); border: 1px solid var(--on-dark-line); color: inherit; text-decoration: none; }
.continue .thumb { aspect-ratio: 16 / 9; border-radius: 10px; overflow: hidden; }
.continue small { color: var(--on-dark-2); }

/* الفصل وتحميل العمل بدون إنترنت */
.chap-head { display: grid; gap: 1rem; margin-block-end: 1.4rem; }
@media (min-width: 760px) { .chap-head { grid-template-columns: 1fr auto; align-items: end; } }
.chap-head h1 { font-size: clamp(1.5rem, 1.1rem + 2vw, 2.2rem); margin: .2rem 0 0; color: #fff; }
.crumb { font-size: .9rem; color: var(--on-dark-2); }
.crumb a { color: inherit; }
.dl { display: flex; align-items: center; gap: .9rem; padding: .7rem .9rem; border-radius: var(--r-m); background: var(--ink-2); border: 1px solid var(--on-dark-line); }
.dl .pring { inline-size: 48px; block-size: 48px; flex: none; }
.dl .pring svg { transform: rotate(-90deg); inline-size: 100%; block-size: 100%; }
.dl .pring circle { fill: none; stroke-width: 5; }
.dl .pring .bg { stroke: var(--ink-3); } .dl .pring .fg { stroke: var(--cyan); stroke-linecap: round; transition: stroke-dashoffset .25s linear; }
.dl-text { display: grid; line-height: 1.4; min-inline-size: 11rem; }
.dl-text small { color: var(--on-dark-2); font-variant-numeric: tabular-nums; }
.storage { display: flex; flex-wrap: wrap; align-items: center; gap: .8rem; margin-block-start: 2rem; font-size: .9rem; color: var(--on-dark-2); }
.meter { inline-size: 10rem; block-size: 8px; border-radius: 6px; background: var(--ink-3); overflow: hidden; }
.meter i { display: block; block-size: 100%; inline-size: 100%; background: var(--cyan); transform-origin: right; transform: scaleX(0); }

/* العارض */
.viewer { position: fixed; inset: 0; z-index: 60; background: #050518; --bar-h: 48px; }
.viewer .stage { position: absolute; inset: var(--bar-h) 0 0 0; view-transition-name: exp-stage; background: #050518; }
.viewer.bar-hidden .stage, .viewer.lesson .stage { inset-block-start: 0; }
.viewer iframe { inline-size: 100%; block-size: 100%; border: 0; display: block; }
.v-bar { position: absolute; inset-block-start: 0; inset-inline: 0; block-size: var(--bar-h); display: flex; align-items: center; gap: .4rem; padding-inline: .4rem; background: #0b0b30; border-block-end: 1px solid var(--on-dark-line); color: var(--on-dark); white-space: nowrap; }
.viewer.bar-hidden .v-bar, .viewer.lesson .v-bar { transform: translateY(-100%); visibility: hidden; }
.v-bar .back { display: inline-flex; align-items: center; gap: .3rem; min-block-size: 44px; padding-inline: .6rem; color: var(--on-dark-2); text-decoration: none; border-radius: 10px; max-inline-size: 36%; overflow: hidden; text-overflow: ellipsis; }
.v-bar .back::before { content: ""; inline-size: 9px; block-size: 9px; border-inline-start: 2px solid currentColor; border-block-start: 2px solid currentColor; transform: rotate(135deg); flex: none; }
.v-title { flex: 1; min-inline-size: 0; overflow: hidden; text-overflow: ellipsis; font-weight: 600; font-size: .98rem; block-size: 1.6em; line-height: 1.6em; }
.v-bar .icon-btn { inline-size: auto; padding-inline: .7rem; font: 600 .88rem var(--f-body); color: var(--on-dark-2); }
.v-bar .icon-btn:hover { color: #fff; background: var(--ink-3); }
@media (max-width: 560px) { .v-bar .opt-wide { display: none; } }
.v-show { position: absolute; inset-block-start: 6px; inset-inline-end: 6px; z-index: 3; opacity: .35; background: rgba(11, 11, 48, .8); color: #fff; border-radius: 10px; border: 1px solid var(--on-dark-line); min-block-size: 40px; padding-inline: .8rem; font: 600 .85rem var(--f-body); cursor: pointer; transition: opacity .2s; }
.v-show:hover, .v-show:focus-visible { opacity: 1; }
.brand-corner { position: absolute; z-index: 2; inset-block-start: calc(var(--bar-h) + 8px); inset-inline-end: 8px; display: flex; align-items: center; gap: .4rem; padding: .2rem .7rem; border-radius: var(--r-pill); background: rgba(11, 11, 48, .55); color: #fff; font-size: .85rem; font-weight: 600; pointer-events: none; }
.viewer.bar-hidden .brand-corner, .viewer.lesson .brand-corner { inset-block-start: 8px; inset-inline-end: 64px; }
.rotate-hint { position: absolute; inset: auto 1rem 1.2rem; z-index: 4; text-align: center; background: rgba(11, 11, 48, .92); color: #fff; padding: .7rem 1rem; border-radius: 14px; font-weight: 600; }
.v-locked { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; gap: 1rem; padding: 1.5rem; color: var(--on-dark); }
.v-locked h2 { font-size: 1.4rem; margin: 0; }

/* حسابي */
.acct { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr)); }
.panel { padding: 1.2rem; border-radius: var(--r-m); background: var(--ink-2); border: 1px solid var(--on-dark-line); display: grid; gap: .7rem; align-content: start; }
.panel h2 { font-size: 1.15rem; margin: 0; color: #fff; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: .35rem 1rem; margin: 0; }
.kv dt { color: var(--on-dark-2); } .kv dd { margin: 0; font-weight: 600; }
.dev-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .4rem; }
.dev-list li { display: flex; justify-content: space-between; align-items: center; gap: .6rem; min-block-size: 52px; padding: .4rem .7rem; border-radius: 12px; background: var(--ink); }
.dev-list small { display: block; color: var(--on-dark-2); }
.app .sheet .field input { background: #fff; color: var(--text); border-color: var(--line); }

/* لوحة المدرسة */
.table-wrap { overflow-x: auto; border-radius: var(--r-m); border: 1px solid var(--on-dark-line); }
table.t { inline-size: 100%; border-collapse: collapse; font-size: .95rem; min-inline-size: 38rem; }
table.t th, table.t td { text-align: start; padding: .7rem .9rem; border-block-end: 1px solid var(--on-dark-line); vertical-align: top; }
table.t th { color: var(--on-dark-2); font-weight: 600; background: var(--ink-2); position: sticky; inset-block-start: 0; }
table.t td small { color: var(--on-dark-2); display: block; }
.wk { display: flex; align-items: center; gap: .5rem; }
.wk i { display: block; block-size: 8px; border-radius: 4px; background: var(--cyan); }
.mock-banner { background: rgba(255, 122, 116, .14); color: #FFD3D0; border: 1px solid rgba(255, 122, 116, .4); border-radius: 12px; padding: .5rem .9rem; font-size: .9rem; margin-block-end: 1rem; }
.stats { display: flex; flex-wrap: wrap; gap: 1.6rem; margin-block: .4rem 1.4rem; }
.stats div { display: grid; }
.stats b { font-family: var(--f-head); font-size: 1.8rem; color: #fff; line-height: 1.2; }
.stats span { color: var(--on-dark-2); font-size: .88rem; }

::view-transition-old(exp-stage), ::view-transition-new(exp-stage) { animation-duration: .38s; animation-timing-function: cubic-bezier(.2, .7, .2, 1); }

/* صور التجارب المأخوذة من داخل المحاكي */
.thumb { position: relative; overflow: hidden; }
.thumb .shot { position: absolute; inset: 0; inline-size: 100%; block-size: 100%; object-fit: cover; }
.card .thumb .shot { transition: transform .4s var(--ease); }
.card:hover .thumb .shot { transform: scale(1.04); }

/* قوائم الاختيار المخصصة */
.dd { position: relative; }
.dd-btn { inline-size: 100%; min-block-size: 48px; display: flex; align-items: center; justify-content: space-between; gap: .8rem; border-radius: 12px; border: 1.5px solid var(--on-dark-line); background: var(--ink-2); color: var(--on-dark); padding: .4rem .9rem; font: 400 1rem var(--f-body); cursor: pointer; text-align: start; transition: border-color .2s; }
.dd-btn svg { inline-size: 18px; block-size: 18px; flex: none; stroke: currentColor; stroke-width: 2; fill: none; opacity: .7; transition: transform .2s; }
.dd.open .dd-btn { border-color: #4FD8F2; }
.dd.open .dd-btn svg { transform: rotate(180deg); }
.dd-list { position: absolute; inset-inline: 0; inset-block-start: calc(100% + 6px); z-index: 30; margin: 0; padding: .35rem; list-style: none; min-inline-size: 100%; max-block-size: 60vh; overflow: auto; border-radius: 14px; background: var(--ink-2); border: 1.5px solid var(--on-dark-line); box-shadow: 0 18px 40px rgba(0,0,0,.45); animation: ddIn .16s var(--ease); }
@media (min-width: 720px) { .dd-list { inset-inline: auto 0; min-inline-size: 16rem; } }
.dd-list li { padding: .7rem .9rem; border-radius: 10px; color: var(--on-dark); cursor: pointer; outline: none; display: flex; align-items: center; justify-content: space-between; gap: .6rem; }
.dd-list li:hover, .dd-list li:focus { background: rgba(79,216,242,.1); }
.dd-list li[aria-selected="true"] { color: #4FD8F2; font-weight: 600; }
.dd-list li[aria-selected="true"]::after { content: ""; inline-size: 8px; block-size: 8px; border-radius: 50%; background: #4FD8F2; box-shadow: 0 0 10px #4FD8F2; }
@keyframes ddIn { from { opacity: 0; transform: translateY(-4px); } }