/* ═══════════════════════════════════════════════════════════════════
   schematic.css — مخطط الأسلاك الحي لمنصة حمدان
   الهوية مأخوذة حرفياً من primary-student-main/assets/css/main.css
   (بنفسجي كوني · بطاقات زجاجية · Tajawal) — RTL · جوال+كمبيوتر معاً
   ═══════════════════════════════════════════════════════════════════ */

.sch-root{
  --primary:#a855f7; --primary-hover:#9333ea; --primary-light:#c084fc;
  --bg-page:#0a0e17; --bg-card:#111a27; --bg-input:#1a2536;
  --text-primary:#e8eaed; --text-secondary:#8b95a5; --text-muted:#5a6577;
  --border-color:#1e2a3a; --danger:#ff6b6b; --success:#51cf66; --warning:#f59e0b;
  --gradient:linear-gradient(135deg,#4c1d95 0%,#a855f7 100%);
  --glow:0 0 20px rgba(168,85,247,.15); --radius:14px;
  --shadow:0 4px 20px rgba(0,0,0,.4); --shadow-lg:0 8px 40px rgba(0,0,0,.5);
  /* ألوان المسارات الموحّدة — لون واحد لكل مجال (ثابت) */
  --d-telegram:#2dd4a8; --d-billing:#f5b942; --d-auth:#5aa7ff; --d-content:#a855f7;
  --d-devices:#ff6b6b; --d-stats:#f47bc0; --d-enrollment:#ff9457; --d-exams:#6fe08a;
  --d-ui:#8b95a5; --d-security:#ff3b3b; --d-dead:#5a6577;
  /* لهجات التطبيقات (نقطة العقدة) */
  --r-student:#e879f9; --r-admin:#60a5fa; --r-bot:#2dd4a8; --r-data:#c084fc;
  position:relative; color:var(--text-primary);
  font-family:'Tajawal','Segoe UI',system-ui,sans-serif;
}

/* ── الخلفية الكونية (فوق --bg-page، مستلهمة من 96-cosmic-skin) ── */
.sch-cosmos{
  position:absolute; inset:0; z-index:0; border-radius:var(--radius);
  overflow:hidden; pointer-events:none;
  background:
    radial-gradient(1100px 520px at 82% -8%, rgba(168,85,247,.16), transparent 62%),
    radial-gradient(900px 480px at 8% 22%, rgba(76,29,149,.22), transparent 60%),
    radial-gradient(700px 420px at 50% 108%, rgba(147,51,234,.12), transparent 55%),
    var(--bg-page);
}
.sch-cosmos::after{ /* نجوم SVG خفيفة */
  content:""; position:absolute; inset:0; opacity:.5;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='420' height='420'%3E%3Cg fill='%23c084fc'%3E%3Ccircle cx='30' cy='44' r='1'/%3E%3Ccircle cx='120' cy='150' r='1.4' opacity='.7'/%3E%3Ccircle cx='230' cy='60' r='.9'/%3E%3Ccircle cx='330' cy='210' r='1.2' opacity='.5'/%3E%3Ccircle cx='60' cy='300' r='1'/%3E%3Ccircle cx='180' cy='380' r='1.3' opacity='.6'/%3E%3Ccircle cx='390' cy='90' r='.8'/%3E%3Ccircle cx='290' cy='330' r='1' opacity='.8'/%3E%3Ccircle cx='400' cy='390' r='1.1' opacity='.45'/%3E%3Ccircle cx='150' cy='250' r='.7'/%3E%3C/g%3E%3C/svg%3E");
}

/* ── الهيرو ── */
.sch-hero{position:relative;z-index:1;padding:26px 18px 10px}
.sch-hero h1{
  margin:0;font-size:clamp(21px,4.6vw,30px);font-weight:800;line-height:1.4;
  background:var(--gradient);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.sch-hero p{margin:8px 0 0;color:var(--text-secondary);font-size:clamp(12.5px,3.4vw,14.5px);max-width:860px}

/* ── شريط المزامنة ── */
.sch-sync{
  position:relative;z-index:1;display:flex;gap:10px;flex-wrap:wrap;align-items:center;
  margin:12px 18px 0;padding:8px 14px;font-size:11.5px;color:var(--text-muted);
  background:color-mix(in srgb,var(--bg-card) 72%,transparent);
  border:1px solid var(--border-color);border-radius:12px;
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.sch-sync b{color:var(--text-secondary);font-weight:500}
.sch-sync .mono{font-family:ui-monospace,"SF Mono",Menlo,monospace;direction:ltr;unicode-bidi:embed}

/* ── شريط الأدوات ── */
.sch-tools{
  position:relative;z-index:2;display:flex;flex-direction:column;gap:8px;
  margin:12px 18px 10px;
}
.sch-row{display:flex;gap:8px;align-items:center;flex-wrap:nowrap;overflow-x:auto;
  scrollbar-width:none;padding-bottom:2px;-webkit-overflow-scrolling:touch}
.sch-row::-webkit-scrollbar{display:none}
.sch-lbl{font-size:11px;font-weight:700;color:var(--text-muted);white-space:nowrap;flex:0 0 auto}
.sch-chip{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;min-height:44px;
  padding:8px 14px;font:inherit;font-size:12.5px;font-weight:500;cursor:pointer;
  color:var(--text-secondary);background:color-mix(in srgb,var(--bg-card) 80%,transparent);
  border:1px solid var(--border-color);border-radius:12px;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  transition:border-color .15s,color .15s,box-shadow .15s;white-space:nowrap;
  -webkit-tap-highlight-color:transparent;
}
.sch-chip:hover{border-color:var(--primary);color:var(--text-primary)}
.sch-chip.on{
  color:#fff;border-color:var(--primary);
  background:linear-gradient(135deg,rgba(76,29,149,.55),rgba(168,85,247,.35));
  box-shadow:var(--glow);
}
.sch-chip i{width:10px;height:10px;border-radius:3px;flex:0 0 auto}
.sch-chip i.ln{width:16px;height:4px}
.sch-chip.dashed i{background:repeating-linear-gradient(90deg,currentColor 0 3px,transparent 3px 6px)}

/* البحث */
.sch-search{position:relative;flex:1 1 220px;min-width:180px;max-width:420px}
.sch-search input{
  width:100%;min-height:44px;padding:9px 40px 9px 12px;font:inherit;font-size:13px;
  color:var(--text-primary);background:var(--bg-input);
  border:1px solid var(--border-color);border-radius:12px;outline:none;
}
.sch-search input:focus{border-color:var(--primary);box-shadow:var(--glow)}
.sch-search input::placeholder{color:var(--text-muted)}
.sch-search .ic{position:absolute;top:50%;inset-inline-end:13px;transform:translateY(-50%);
  color:var(--text-muted);pointer-events:none;font-size:14px}
.sch-sugg{
  position:absolute;top:calc(100% + 6px);inset-inline:0;z-index:30;max-height:290px;overflow:auto;
  background:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;
  box-shadow:var(--shadow-lg);display:none;
}
.sch-sugg.open{display:block}
.sch-sugg button{
  display:flex;width:100%;gap:8px;align-items:center;min-height:44px;padding:8px 12px;
  font:inherit;font-size:12.5px;color:var(--text-primary);background:none;border:0;
  border-bottom:1px solid var(--border-color);cursor:pointer;text-align:start;
}
.sch-sugg button:last-child{border-bottom:0}
.sch-sugg button:hover,.sch-sugg button.sel{background:var(--bg-input)}
.sch-sugg .sid{font-family:ui-monospace,Menlo,monospace;font-size:10px;color:var(--text-muted);direction:ltr}
.sch-sugg .dot{width:8px;height:8px;border-radius:50%;flex:0 0 auto}

/* العدادات */
.sch-counts{display:flex;gap:8px;align-items:center;font-size:11px;color:var(--text-muted);white-space:nowrap}
.sch-counts b{color:var(--primary-light);font-weight:700;font-size:13px}

/* ── مفتاح الألوان ── */
.sch-legend{
  position:relative;z-index:1;display:flex;gap:5px 12px;flex-wrap:wrap;align-items:center;
  margin:0 18px 10px;font-size:11px;color:var(--text-secondary);
}
.sch-legend span{display:inline-flex;align-items:center;gap:5px;min-height:22px}
.sch-legend b{width:16px;height:4px;border-radius:3px;flex:0 0 auto}
.sch-legend b.dashed{background:repeating-linear-gradient(90deg,var(--d-security) 0 4px,transparent 4px 8px)!important}
.sch-legend b.dotted{background:repeating-linear-gradient(90deg,var(--d-dead) 0 2px,transparent 2px 6px)!important}

/* ── القماش ── */
.sch-stage{
  position:relative;z-index:1;margin:0 18px 18px;height:min(72vh,760px);
  background:color-mix(in srgb,var(--bg-card) 55%,transparent);
  border:1px solid var(--border-color);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;touch-action:none;
  -webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
}
.sch-stage svg{display:block;width:100%;height:100%;cursor:grab}
.sch-stage svg.panning{cursor:grabbing}

/* أزرار الزوم */
.sch-zoom{
  position:absolute;z-index:5;bottom:14px;inset-inline-start:14px;
  display:flex;flex-direction:column;gap:6px;
}
.sch-zoom button{
  width:44px;height:44px;font:inherit;font-size:17px;font-weight:700;cursor:pointer;
  color:var(--text-primary);background:color-mix(in srgb,var(--bg-card) 88%,transparent);
  border:1px solid var(--border-color);border-radius:12px;
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  -webkit-tap-highlight-color:transparent;
}
.sch-zoom button:hover{border-color:var(--primary);box-shadow:var(--glow)}
.sch-hintbar{
  position:absolute;z-index:5;top:10px;inset-inline-start:50%;transform:translateX(-50%);
  max-width:92%;padding:6px 14px;font-size:11.5px;color:var(--text-secondary);
  background:color-mix(in srgb,var(--bg-card) 85%,transparent);
  border:1px solid var(--border-color);border-radius:20px;white-space:nowrap;
  overflow:hidden;text-overflow:ellipsis;pointer-events:none;
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}

/* ── عناصر SVG ── */
.sch-colhead{font-family:'Tajawal',sans-serif;font-size:17px;font-weight:800;fill:var(--text-secondary)}
.sch-grouphead{font-family:'Tajawal',sans-serif;font-size:10.5px;font-weight:700;fill:var(--text-muted)}
.sch-node rect.bg{
  fill:color-mix(in srgb,var(--bg-card) 86%,transparent);
  stroke:var(--border-color);stroke-width:1;rx:8;
  transition:stroke .15s;
}
.sch-node{cursor:pointer}
.sch-node text.nm{font-family:'Tajawal',sans-serif;font-size:11px;fill:var(--text-primary)}
.sch-node text.tid{font-family:ui-monospace,'SF Mono',Menlo,monospace;font-size:7.5px;fill:var(--text-muted);direction:ltr}
.sch-node.risk rect.bg{stroke:var(--danger);stroke-dasharray:3 2}
.sch-node.dead rect.bg{stroke-dasharray:2 3;opacity:.75}
.sch-node.dead text{fill:var(--text-muted)}
.sch-node.dim{opacity:.13}
.sch-node.hot rect.bg{stroke:var(--primary);stroke-width:1.4;
  filter:drop-shadow(0 0 7px rgba(168,85,247,.55))}
.sch-node.pinned rect.bg{stroke:var(--primary-light);stroke-width:1.7;
  filter:drop-shadow(0 0 10px rgba(192,132,252,.7))}

.wire{fill:none;stroke-linecap:round;transition:opacity .14s}
.wire.dim{opacity:.045!important}
.wire.lit{
  filter:drop-shadow(0 0 5px var(--wc,#a855f7));
}
.wire.lit.flow{
  stroke-dasharray:7 9;
  animation:schflow 1.1s linear infinite;
}
@keyframes schflow{to{stroke-dashoffset:-16}}
.wire.assumed{opacity:.22}
/* وميض الكل: تدفق جماعي خفيف بلا drop-shadow (أداء 751 سلكاً) */
.wire.glowall{
  stroke-dasharray:7 9;
  animation:schflow 1.1s linear infinite;
}
.wirelabel rect{fill:#0a0e17;stroke:var(--border-color);rx:6;opacity:.94}
.wirelabel text{font-family:'Tajawal',sans-serif;font-size:9.5px;fill:var(--text-primary)}

@media (prefers-reduced-motion:reduce){
  .wire.lit.flow,.wire.glowall{animation:none;stroke-dasharray:none}
  .sch-chip,.sch-node rect.bg,.wire{transition:none}
}

/* ── اللوحة الجانبية / الورقة السفلية ── */
.sch-panel{
  position:absolute;z-index:10;top:0;bottom:0;inset-inline-start:0;width:min(340px,86vw);
  transform:translateX(-105%);transition:transform .22s ease;visibility:hidden;
  background:color-mix(in srgb,var(--bg-card) 94%,transparent);
  border-inline-end:1px solid var(--border-color);
  box-shadow:var(--shadow-lg);display:flex;flex-direction:column;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
[dir="rtl"] .sch-panel{transform:translateX(105%)}
.sch-panel.open{transform:none!important;visibility:visible}
.sch-panel header{
  display:flex;gap:10px;align-items:flex-start;padding:14px 16px 10px;
  border-bottom:1px solid var(--border-color);
}
.sch-panel header .dot{width:11px;height:11px;border-radius:50%;margin-top:6px;flex:0 0 auto}
.sch-panel header h3{margin:0;font-size:15px;font-weight:800;line-height:1.5;flex:1}
.sch-panel header .sid{font-family:ui-monospace,Menlo,monospace;font-size:10px;color:var(--text-muted);direction:ltr;display:block;margin-top:2px}
.sch-panel .close{
  width:44px;height:44px;margin:-6px -8px 0 0;font-size:17px;color:var(--text-muted);
  background:none;border:0;cursor:pointer;border-radius:10px;flex:0 0 auto;
  -webkit-tap-highlight-color:transparent;
}
.sch-panel .close:hover{color:var(--text-primary);background:var(--bg-input)}
.sch-panel .body{flex:1;overflow:auto;padding:12px 16px 20px;overscroll-behavior:contain}
.sch-panel .grab{display:none}
.sch-sec{margin:0 0 14px}
.sch-sec h4{margin:0 0 6px;font-size:11px;font-weight:700;color:var(--text-muted)}
.sch-sec .val{font-size:12.5px;color:var(--text-secondary);line-height:1.8}
.sch-sec .mono{font-family:ui-monospace,Menlo,monospace;font-size:10.5px;direction:ltr;unicode-bidi:embed;
  background:var(--bg-input);border:1px solid var(--border-color);border-radius:6px;
  padding:2px 7px;display:inline-block;max-width:100%;overflow-wrap:anywhere;color:var(--text-secondary)}
.sch-io{list-style:none;margin:0;padding:0}
.sch-io li{
  display:flex;gap:7px;align-items:center;min-height:30px;padding:3px 0;
  font-size:12px;color:var(--text-secondary);cursor:pointer;border-radius:8px;
}
.sch-io li:hover{background:var(--bg-input);color:var(--text-primary)}
.sch-io .arr{font-weight:800;flex:0 0 auto}
.sch-io .w .arr,.sch-io li.w .arr{color:var(--warning)}
.sch-io li.r .arr{color:var(--d-auth)}
.sch-io .tag{
  font-size:9.5px;font-weight:700;padding:1px 7px;border-radius:12px;flex:0 0 auto;
  border:1px solid var(--border-color);color:var(--text-muted);
}
.sch-flag{
  display:inline-block;font-size:10.5px;font-weight:700;padding:2px 9px;border-radius:12px;
  margin-inline-end:5px;margin-bottom:4px;
}
.sch-flag.risk{color:var(--danger);border:1px solid color-mix(in srgb,var(--danger) 50%,transparent);background:color-mix(in srgb,var(--danger) 12%,transparent)}
.sch-flag.dead{color:var(--text-muted);border:1px dashed var(--text-muted)}
.sch-flag.assumed{color:var(--warning);border:1px solid color-mix(in srgb,var(--warning) 45%,transparent)}
.sch-ghlink{
  display:inline-flex;gap:6px;align-items:center;min-height:38px;padding:6px 13px;
  font-size:12px;font-weight:700;color:var(--primary-light);text-decoration:none;
  border:1px solid color-mix(in srgb,var(--primary) 45%,transparent);border-radius:10px;
}
.sch-ghlink:hover{box-shadow:var(--glow)}

/* الجوال: اللوحة ورقة سفلية قابلة للسحب */
@media (max-width:760px){
  .sch-hero{padding:20px 14px 8px}
  .sch-sync,.sch-tools,.sch-legend{margin-inline:12px}
  .sch-stage{margin:0 12px 14px;height:min(64vh,620px)}
  .sch-panel{
    top:auto;bottom:0;inset-inline:0;width:auto;max-height:58vh;
    transform:translateY(105%);border-inline-end:0;border-top:1px solid var(--border-color);
    border-radius:18px 18px 0 0;
  }
  [dir="rtl"] .sch-panel{transform:translateY(105%)}
  .sch-panel .grab{
    display:block;width:44px;height:5px;margin:8px auto 2px;border-radius:3px;
    background:var(--border-color);
  }
  .sch-zoom{flex-direction:row;bottom:10px}
}