/* ============================================================
   TitanStudy 3D — واجهة زجاجية داكنة بنيون (RTL)
   ============================================================ */
:root{
  --bg:#05070d;
  --bg2:#070b14;
  --cyan:#00e5ff;
  --purple:#a855f7;
  --pink:#ff4ecd;
  --green:#22d3a5;
  --amber:#ffb020;
  --red:#ff5470;
  --txt:#e8f1ff;
  --muted:#8ea3c4;
  --glass:rgba(14,20,34,.55);
  --glass-2:rgba(10,15,26,.78);
  --stroke:rgba(120,180,255,.16);
  --stroke-hi:rgba(0,229,255,.45);
  --radius:18px;
  --shadow:0 18px 50px rgba(0,0,0,.55);
  --font:'Tajawal', 'Segoe UI', Tahoma, Arial, sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:auto}
html,body{height:100%}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--txt);
  overflow-x:hidden;
  dir:rtl;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(1200px 700px at 80% -10%, rgba(0,229,255,.10), transparent 60%),
    radial-gradient(900px 700px at 10% 110%, rgba(168,85,247,.12), transparent 60%),
    linear-gradient(180deg,#05070d 0%, #070b14 55%, #05070d 100%);
}
img{max-width:100%}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
a{color:var(--cyan);text-decoration:none}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#070b14}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,var(--cyan),var(--purple));border-radius:8px}
.hidden{display:none !important}
.muted{color:var(--muted)}
code{background:rgba(0,229,255,.08);border:1px solid var(--stroke);padding:2px 6px;border-radius:6px;font-size:.85em}
.noscript-msg{position:fixed;inset:auto 0 0 0;padding:16px;background:#3b0d14;color:#ffdfe4;text-align:center;z-index:9999}

/* ---------- شاشة التحميل ---------- */
.loader{position:fixed;inset:0;z-index:9000;display:grid;place-items:center;background:#05070d;transition:opacity .7s ease, visibility .7s}
.loader.done{opacity:0;visibility:hidden;pointer-events:none}
.loader-core{text-align:center}
.loader-ring{width:110px;height:110px;margin:0 auto 18px;border-radius:50%;
  border:3px solid rgba(0,229,255,.15);border-top-color:var(--cyan);border-right-color:var(--purple);
  animation:spin 1.1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.loader-beast{font-size:34px;letter-spacing:2px;color:var(--cyan);text-shadow:0 0 18px rgba(0,229,255,.8);margin-bottom:8px}
.loader-text{color:var(--muted);margin-bottom:14px}
.loader-bar{width:230px;height:6px;background:rgba(255,255,255,.07);border-radius:99px;overflow:hidden;margin:0 auto}
.loader-bar span{display:block;height:100%;width:15%;border-radius:99px;background:linear-gradient(90deg,var(--cyan),var(--purple));transition:width .3s}

/* ---------- لوحة 3D ---------- */
#webgl-wrap{position:fixed;inset:0;z-index:-1;pointer-events:none}
#webgl-canvas{width:100%;height:100%;display:block}
#eye-flash{position:fixed;inset:0;background:#eaffff;opacity:0;pointer-events:none;z-index:40;mix-blend-mode:screen}
.cdn-error{position:fixed;top:76px;right:16px;left:16px;z-index:8000;background:rgba(58,16,26,.92);
  border:1px solid rgba(255,84,112,.6);color:#ffe1e7;padding:12px 16px;border-radius:14px;backdrop-filter:blur(8px);text-align:center}

/* ---------- زجاج ---------- */
.glass{
  background:var(--glass);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border:1px solid var(--stroke);
  box-shadow:var(--shadow);
}

/* ---------- الترويسة ---------- */
.header{
  position:fixed;top:0;right:0;left:0;z-index:600;
  display:flex;align-items:center;gap:18px;
  padding:10px clamp(12px,3vw,28px);
  background:linear-gradient(180deg, rgba(7,11,20,.82), rgba(7,11,20,.35));
  border-bottom:1px solid var(--stroke);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
}
.brand{display:flex;align-items:center;gap:9px;color:var(--txt);font-weight:800;font-size:1.05rem}
.brand-mark{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:10px;
  background:linear-gradient(135deg,rgba(0,229,255,.2),rgba(168,85,247,.25));
  border:1px solid var(--stroke-hi);color:var(--cyan);box-shadow:0 0 18px rgba(0,229,255,.35)}
.brand-name b{background:linear-gradient(90deg,var(--cyan),var(--purple));-webkit-background-clip:text;background-clip:text;color:transparent}
.main-nav{display:flex;gap:6px;margin-inline-start:auto;flex-wrap:wrap}
.main-nav a{padding:8px 12px;border-radius:10px;color:var(--muted);font-weight:500;transition:.25s;font-size:.95rem}
.main-nav a:hover,.main-nav a.active{color:var(--txt);background:rgba(0,229,255,.10);box-shadow:inset 0 0 0 1px var(--stroke-hi)}
.header-actions{display:flex;align-items:center;gap:8px;margin-inline-start:auto}
.streak-chip{display:inline-flex;align-items:center;gap:6px;padding:6px 11px;border-radius:99px;
  background:rgba(255,140,20,.10);border:1px solid rgba(255,176,32,.45);font-weight:700;color:#ffd9a1;font-size:.9rem}
.streak-chip.big{font-size:1rem;padding:9px 14px}
.streak-chip .flame{filter:drop-shadow(0 0 6px rgba(255,150,0,.9));animation:flick 1.6s ease-in-out infinite}
@keyframes flick{50%{transform:scale(1.15) rotate(-6deg)}}
.icon-btn{width:38px;height:38px;border-radius:12px;border:1px solid var(--stroke);cursor:pointer;
  background:rgba(255,255,255,.04);color:var(--txt);font-size:1.05rem;transition:.22s;display:inline-grid;place-items:center}
.icon-btn:hover{border-color:var(--stroke-hi);box-shadow:0 0 16px rgba(0,229,255,.35);transform:translateY(-2px)}
.user-chip{display:flex;align-items:center;gap:8px;padding:4px 6px 4px 10px;border-radius:99px;
  background:rgba(0,229,255,.08);border:1px solid var(--stroke-hi)}
.user-avatar{width:32px;height:32px;border-radius:50%;object-fit:cover;border:2px solid var(--cyan);background:#101828}
.user-avatar.lg{width:56px;height:56px}
.user-name{font-weight:700;font-size:.9rem;max-width:130px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- الأزرار ---------- */
.btn{border:1px solid var(--stroke);background:rgba(255,255,255,.05);color:var(--txt);
  padding:11px 20px;border-radius:14px;cursor:pointer;font-weight:700;transition:.22s;position:relative;overflow:hidden}
.btn:hover{transform:translateY(-2px);border-color:var(--stroke-hi);box-shadow:0 10px 26px rgba(0,0,0,.45)}
.btn:active{transform:translateY(0) scale(.98)}
.btn-primary{background:linear-gradient(135deg,rgba(0,229,255,.22),rgba(168,85,247,.28));
  border-color:var(--stroke-hi);box-shadow:0 0 22px rgba(0,229,255,.25)}
.btn-primary:hover{box-shadow:0 0 34px rgba(0,229,255,.5)}
.btn-ghost{background:transparent}
.btn-sm{padding:7px 13px;font-size:.86rem;border-radius:11px}
.btn-block{display:block;width:100%}
.btn.grade{flex:1;font-size:.95rem}
.grade.again{background:rgba(255,84,112,.16);border-color:rgba(255,84,112,.6)}
.grade.hard{background:rgba(255,176,32,.14);border-color:rgba(255,176,32,.55)}
.grade.good{background:rgba(0,229,255,.14);border-color:rgba(0,229,255,.55)}
.grade.easy{background:rgba(34,211,165,.15);border-color:rgba(34,211,165,.6)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}

/* ---------- نقاط جانبية ---------- */
.side-dots{position:fixed;top:50%;left:16px;transform:translateY(-50%);z-index:590;display:flex;flex-direction:column;gap:14px}
.side-dots .dot{display:flex;align-items:center;gap:9px;background:none;border:0;cursor:pointer;color:var(--muted);flex-direction:row-reverse}
.side-dots .dot i{width:12px;height:12px;border-radius:50%;background:rgba(255,255,255,.18);
  border:1px solid var(--stroke);transition:.3s;display:block}
.side-dots .dot span{font-size:.78rem;opacity:0;transform:translateX(8px);transition:.3s}
.side-dots .dot:hover span,.side-dots .dot.active span{opacity:1;transform:none}
.side-dots .dot.active i{background:var(--cyan);box-shadow:0 0 14px var(--cyan);border-color:#fff;transform:scale(1.25)}
.side-dots .dot.active{color:var(--txt)}

/* ---------- الأقسام ---------- */
#scroll-root{position:relative;z-index:10}
.panel{min-height:100vh;display:grid;place-items:center;padding:110px clamp(18px,6vw,90px) 70px;position:relative}
.panel-wide{min-height:100vh}
.panel-inner{max-width:760px;text-align:center;position:relative}
.panel-inner.wide{max-width:1080px;width:100%}
.reveal{opacity:0;transform:translateY(38px);transition:opacity .9s ease,transform .9s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}
.kicker{letter-spacing:3px;font-size:.82rem;color:var(--muted);margin-bottom:14px;text-transform:uppercase}
.kicker.neon{color:var(--cyan);text-shadow:0 0 14px rgba(0,229,255,.6)}
.hero-title{font-size:clamp(2.6rem,8vw,5.4rem);font-weight:900;line-height:1.05;margin-bottom:18px;
  text-shadow:0 8px 44px rgba(0,0,0,.75)}
.hero-title .grad{background:linear-gradient(90deg,var(--cyan),var(--purple) 55%,var(--pink));
  -webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 0 26px rgba(0,229,255,.45))}
.panel h2{font-size:clamp(1.8rem,5vw,3.2rem);font-weight:900;margin-bottom:16px;text-shadow:0 6px 30px rgba(0,0,0,.7)}
.hero-sub,.lead{font-size:clamp(1rem,2.2vw,1.22rem);line-height:2;color:#cfe0f7;text-shadow:0 2px 16px rgba(0,0,0,.8);margin-bottom:26px}
.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:18px}
.scroll-hint{color:var(--muted);font-size:.9rem;animation:bob 2.4s ease-in-out infinite}
@keyframes bob{50%{transform:translateY(7px)}}
.feature-list{list-style:none;display:inline-block;text-align:right;margin:0 auto 24px;color:#cfe0f7;line-height:2.3;
  background:rgba(7,11,20,.5);border:1px solid var(--stroke);padding:14px 22px;border-radius:16px;backdrop-filter:blur(8px)}
.station-tags{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.tag{padding:8px 15px;border-radius:99px;border:1px solid var(--stroke-hi);background:rgba(0,229,255,.07);
  font-size:.88rem;color:#bdf3ff;box-shadow:inset 0 0 14px rgba(0,229,255,.12)}

/* ---------- شبكة الأدوات ---------- */
.tools-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:26px}
.tool-card{position:relative;text-align:right;padding:22px 18px;border-radius:var(--radius);cursor:pointer;
  background:var(--glass);border:1px solid var(--stroke);backdrop-filter:blur(14px);
  display:flex;flex-direction:column;gap:7px;transition:.3s;box-shadow:var(--shadow);color:var(--txt)}
.tool-card::after{content:"";position:absolute;inset:0;border-radius:var(--radius);pointer-events:none;
  background:linear-gradient(135deg,rgba(0,229,255,.14),rgba(168,85,247,.14));opacity:0;transition:.3s}
.tool-card:hover{transform:translateY(-7px);border-color:var(--stroke-hi);box-shadow:0 20px 46px rgba(0,0,0,.6),0 0 30px rgba(0,229,255,.18)}
.tool-card:hover::after{opacity:1}
.tool-ico{font-size:1.9rem;filter:drop-shadow(0 0 10px rgba(0,229,255,.6))}
.tool-name{font-weight:800;font-size:1.12rem}
.tool-desc{color:var(--muted);font-size:.9rem;line-height:1.7}
#site-footer{margin-top:46px;padding-top:22px;border-top:1px solid var(--stroke);color:var(--muted);font-size:.92rem;line-height:2}

/* ---------- النوافذ ---------- */
.modal{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;padding:18px;
  background:rgba(3,5,10,.72);backdrop-filter:blur(7px);-webkit-backdrop-filter:blur(7px);animation:fade .25s}
@keyframes fade{from{opacity:0}}
.modal-card{width:min(960px,100%);max-height:92vh;overflow:auto;border-radius:22px;padding:20px 22px 26px;
  animation:pop .3s cubic-bezier(.2,.9,.3,1.2)}
@keyframes pop{from{transform:translateY(26px) scale(.96);opacity:0}}
.modal-head{display:flex;align-items:center;justify-content:space-between;gap:12px;position:sticky;top:-20px;
  background:linear-gradient(180deg,rgba(10,15,26,.97),rgba(10,15,26,.85));padding:12px 2px;margin:-4px -4px 16px;
  z-index:5;border-radius:14px 14px 0 0;border-bottom:1px solid var(--stroke)}
.modal-head h3{font-size:1.25rem;font-weight:800}
.tool-pane{animation:fade .3s}
.settings-card,.auth-card{width:min(620px,100%)}
.set-block{padding:16px 4px;border-bottom:1px dashed var(--stroke)}
.set-block:last-child{border-bottom:0}
.set-block h4{margin-bottom:8px;color:var(--cyan)}
.field{display:flex;flex-direction:column;gap:6px;margin:10px 0;font-size:.93rem;color:#cfe0f7}
.input{background:rgba(4,8,16,.72);border:1px solid var(--stroke);border-radius:12px;padding:11px 13px;
  outline:none;transition:.22s;width:100%;color:var(--txt)}
.input:focus{border-color:var(--stroke-hi);box-shadow:0 0 0 3px rgba(0,229,255,.14)}
select.input{cursor:pointer}
.slider{width:100%;accent-color:var(--cyan)}
.hint-line{color:var(--muted);font-size:.87rem;line-height:1.9}
.status-pill{display:inline-block;margin-inline-start:10px;font-size:.85rem;font-weight:700}
.status-pill.ok{color:var(--green)}
.status-pill.err{color:var(--red)}
.row-gap{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.row-gap.center{justify-content:center}
.badge{padding:6px 12px;border-radius:99px;font-size:.84rem;background:rgba(168,85,247,.14);
  border:1px solid rgba(168,85,247,.5);color:#e5d2ff;font-weight:700}
.divider{display:flex;align-items:center;gap:12px;color:var(--muted);margin:16px 0;font-size:.85rem}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:var(--stroke)}
.gis-holder{min-height:44px;display:flex;justify-content:center}
.auth-user-preview{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.auth-user-preview>div{display:flex;flex-direction:column;gap:3px}

/* ---------- الملاحظات ---------- */
.notes-layout{display:grid;grid-template-columns:250px 1fr;gap:16px;min-height:58vh}
.notes-side{border-radius:16px;padding:14px;display:flex;flex-direction:column;gap:10px}
.note-list{list-style:none;display:flex;flex-direction:column;gap:7px;overflow:auto;max-height:46vh;padding-left:2px}
.note-list li{padding:9px 11px;border-radius:11px;border:1px solid transparent;background:rgba(255,255,255,.04);
  cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:8px;transition:.2s}
.note-list li:hover{background:rgba(0,229,255,.08);border-color:var(--stroke)}
.note-list li.active{background:rgba(0,229,255,.13);border-color:var(--stroke-hi)}
.note-list li .nl-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.92rem}
.note-list li .nl-del{background:none;border:0;color:var(--muted);cursor:pointer;font-size:.9rem}
.note-list li .nl-del:hover{color:var(--red)}
.notes-main{display:flex;flex-direction:column;gap:10px;min-width:0}
.note-title{font-size:1.15rem;font-weight:700}
.toolbar{display:flex;gap:6px;flex-wrap:wrap;background:rgba(4,8,16,.6);border:1px solid var(--stroke);
  border-radius:12px;padding:7px}
.tb{background:rgba(255,255,255,.05);border:1px solid var(--stroke);border-radius:8px;padding:6px 11px;
  cursor:pointer;font-size:.86rem;transition:.2s}
.tb:hover{border-color:var(--stroke-hi);background:rgba(0,229,255,.12)}
.note-editor{flex:1;min-height:44vh;background:rgba(4,8,16,.6);border:1px solid var(--stroke);border-radius:14px;
  padding:18px;line-height:2.1;outline:none;overflow:auto;font-size:1.03rem}
.note-editor:empty::before{content:attr(data-placeholder);color:var(--muted)}
.note-editor h2{color:var(--cyan);margin:12px 0 6px}
.note-editor ul,.note-editor ol{padding-inline-start:26px;margin:8px 0}
.status-row{color:var(--muted);font-size:.83rem;min-height:18px}

/* ---------- البطاقات التعليمية ---------- */
.flash-layout{display:grid;grid-template-columns:230px 1fr;gap:16px}
.flash-side{border-radius:16px;padding:14px;display:flex;flex-direction:column;gap:10px}
.flash-main{display:flex;flex-direction:column;gap:11px;align-items:stretch;min-width:0}
.flash-queue-row{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.flash-stage{perspective:1400px;min-height:250px;display:grid;place-items:center}
.flash-card{position:relative;width:min(520px,92%);height:235px;transform-style:preserve-3d;
  transition:transform .65s cubic-bezier(.3,.9,.3,1);cursor:pointer}
.flash-card.flipped{transform:rotateY(180deg)}
.fc-face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;
  border-radius:20px;padding:24px;display:flex;flex-direction:column;justify-content:center;gap:12px;text-align:center;
  background:linear-gradient(160deg,rgba(12,20,36,.94),rgba(8,12,22,.94));border:1px solid var(--stroke-hi);
  box-shadow:0 0 40px rgba(0,229,255,.2),var(--shadow)}
.fc-back{transform:rotateY(180deg);border-color:rgba(168,85,247,.6);box-shadow:0 0 40px rgba(168,85,247,.28),var(--shadow)}
.fc-label{font-size:.8rem;color:var(--muted);letter-spacing:2px}
.fc-text{font-size:clamp(1.1rem,3vw,1.5rem);font-weight:700;line-height:1.9;overflow:auto;max-height:150px}
.flash-actions{display:flex;gap:9px}
.card-editor{display:flex;flex-direction:column;gap:9px;background:rgba(4,8,16,.6);
  border:1px dashed var(--stroke-hi);border-radius:14px;padding:12px}
.flash-empty{color:var(--muted);text-align:center;padding:26px 10px}

/* ---------- بومودورو ---------- */
.pomo-wrap{display:grid;grid-template-columns:270px 1fr;gap:24px;align-items:center;padding:8px 4px}
.pomo-ring{position:relative;width:250px;height:250px;margin:0 auto}
.pomo-ring svg{width:100%;height:100%;transform:rotate(-90deg) scaleX(-1)}
.ring-bg{fill:none;stroke:rgba(255,255,255,.08);stroke-width:12}
.ring-fg{fill:none;stroke:url(#pomoGrad);stroke:var(--cyan);stroke-width:12;stroke-linecap:round;
  stroke-dasharray:666;stroke-dashoffset:0;filter:drop-shadow(0 0 8px rgba(0,229,255,.8));transition:stroke-dashoffset .35s linear}
.pomo-ring.work .ring-fg{stroke:var(--cyan)}
.pomo-ring.break .ring-fg{stroke:var(--green)}
.pomo-center{position:absolute;inset:0;display:grid;place-items:center;text-align:center}
.pomo-time{font-size:2.6rem;font-weight:900;letter-spacing:2px;text-shadow:0 0 24px rgba(0,229,255,.5)}
.pomo-state{color:var(--muted);font-size:.92rem;margin-top:4px}
.pomo-controls{display:flex;flex-direction:column;gap:12px}
.pomo-sessions{background:rgba(255,255,255,.05);border:1px solid var(--stroke);border-radius:12px;padding:10px 14px;text-align:center}
.sound-row{display:flex;gap:8px;flex-wrap:wrap}
.snd.on{border-color:var(--stroke-hi);background:rgba(0,229,255,.14);box-shadow:0 0 16px rgba(0,229,255,.3)}

/* ---------- كانبان ---------- */
.kanban-add{margin-bottom:14px}
.kanban-add .input{flex:1}
.kanban-board{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;min-height:52vh}
.kcol{border-radius:16px;padding:13px;display:flex;flex-direction:column;gap:10px;transition:.25s}
.kcol.dragover{border-color:var(--stroke-hi);box-shadow:0 0 30px rgba(0,229,255,.3)}
.kcol h4{font-size:1rem;display:flex;justify-content:space-between;align-items:center;
  padding-bottom:9px;border-bottom:1px solid var(--stroke)}
.kcount{background:rgba(0,229,255,.15);border:1px solid var(--stroke-hi);border-radius:99px;
  padding:2px 9px;font-size:.8rem;color:var(--cyan)}
.klist{list-style:none;display:flex;flex-direction:column;gap:9px;flex:1;min-height:80px;padding:2px}
.kitem{background:rgba(255,255,255,.055);border:1px solid var(--stroke);border-radius:12px;padding:10px 11px;
  cursor:grab;display:flex;justify-content:space-between;gap:8px;align-items:center;transition:.2s;font-size:.95rem}
.kitem:hover{border-color:var(--stroke-hi);transform:translateY(-2px)}
.kitem.dragging{opacity:.45}
.kitem .kd{background:none;border:0;color:var(--muted);cursor:pointer}
.kitem .kd:hover{color:var(--red)}

/* ---------- المعدل ---------- */
.gpa-wrap{display:flex;flex-direction:column;gap:14px}
.gpa-table{width:100%;border-collapse:collapse;font-size:.96rem}
.gpa-table th{color:var(--muted);font-weight:700;text-align:right;padding:9px;border-bottom:1px solid var(--stroke)}
.gpa-table td{padding:8px 6px;border-bottom:1px dashed rgba(120,180,255,.12)}
.gpa-table .input{padding:8px 10px}
.gpa-table .row-del{background:none;border:0;color:var(--muted);cursor:pointer;font-size:1.05rem}
.gpa-table .row-del:hover{color:var(--red)}
.gpa-result{border-radius:16px;padding:16px 18px;display:flex;gap:22px;align-items:center;flex-wrap:wrap;
  justify-content:space-between;font-size:1.05rem}
.gpa-result b{font-size:1.35rem;color:var(--cyan)}
.gpa-letter{font-size:2rem;font-weight:900;background:linear-gradient(90deg,var(--cyan),var(--purple));
  -webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- التحليلات ---------- */
.an-head{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-bottom:16px}
.charts-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.chart-box{border-radius:16px;padding:14px}
.chart-box h4{font-size:.98rem;margin-bottom:10px;color:#cfe0f7}
.heat-box{border-radius:16px;padding:16px;margin-top:14px}
.heat-box h4{margin-bottom:12px;color:#cfe0f7}
.heatmap{display:grid;grid-template-columns:repeat(15,1fr);gap:6px}
.heatmap .cell{aspect-ratio:1;border-radius:6px;background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.06);position:relative}
.heatmap .cell.h1{background:rgba(0,229,255,.22);border-color:rgba(0,229,255,.3)}
.heatmap .cell.h2{background:rgba(0,229,255,.45);border-color:rgba(0,229,255,.5)}
.heatmap .cell.h3{background:rgba(168,85,247,.6);border-color:rgba(168,85,247,.7)}
.heatmap .cell.h4{background:linear-gradient(135deg,var(--cyan),var(--purple));border-color:#fff;
  box-shadow:0 0 12px rgba(0,229,255,.6)}
.heat-legend{display:flex;align-items:center;gap:7px;margin-top:12px;color:var(--muted);font-size:.82rem}
.heat-legend i{width:15px;height:15px;border-radius:4px;display:block}
.heat-legend .h0{background:rgba(255,255,255,.06)}
.heat-legend .h1{background:rgba(0,229,255,.22)}
.heat-legend .h2{background:rgba(0,229,255,.45)}
.heat-legend .h3{background:rgba(168,85,247,.6)}
.heat-legend .h4{background:linear-gradient(135deg,var(--cyan),var(--purple))}

/* ---------- المحادثة ---------- */
.chat{position:fixed;bottom:18px;left:18px;width:min(390px,calc(100vw - 36px));z-index:900;
  border-radius:20px;display:flex;flex-direction:column;overflow:hidden;animation:pop .3s}
.chat-head{display:flex;align-items:center;gap:8px;padding:10px 12px;cursor:move;user-select:none;
  background:linear-gradient(90deg,rgba(0,229,255,.14),rgba(168,85,247,.16));border-bottom:1px solid var(--stroke)}
.chat-title{font-weight:800;font-size:.95rem;flex:1}
.chat-provider{font-size:.75rem;color:var(--cyan);background:rgba(0,229,255,.1);border:1px solid var(--stroke-hi);
  padding:3px 8px;border-radius:99px;white-space:nowrap}
.chat-messages{padding:12px;display:flex;flex-direction:column;gap:9px;overflow-y:auto;height:min(360px,46vh)}
.msg{max-width:88%;padding:9px 13px;border-radius:15px;line-height:1.85;font-size:.94rem;white-space:pre-wrap;word-break:break-word}
.msg.user{align-self:flex-start;background:rgba(0,229,255,.14);border:1px solid rgba(0,229,255,.4);border-bottom-right-radius:5px}
.msg.bot{align-self:flex-end;background:rgba(168,85,247,.14);border:1px solid rgba(168,85,247,.4);border-bottom-left-radius:5px}
.msg.err{align-self:center;background:rgba(255,84,112,.14);border:1px solid rgba(255,84,112,.55);color:#ffd9e0;font-size:.88rem;max-width:96%}
.msg.sys{align-self:center;color:var(--muted);font-size:.8rem;background:none;border:0}
.chat-input-row{display:flex;gap:8px;padding:10px;border-top:1px solid var(--stroke);background:rgba(4,8,16,.5)}
.chat-input-row .input{flex:1}

/* ---------- توست ---------- */
.toast{position:fixed;bottom:26px;right:50%;transform:translateX(50%) translateY(30px);z-index:2000;
  background:rgba(10,16,28,.96);border:1px solid var(--stroke-hi);border-radius:14px;padding:11px 20px;
  opacity:0;pointer-events:none;transition:.35s;box-shadow:0 0 30px rgba(0,229,255,.3);font-weight:600;max-width:90vw;text-align:center}
.toast.show{opacity:1;transform:translateX(50%) translateY(0)}

/* ---------- استجابة ---------- */
@media (max-width:940px){
  .notes-layout,.flash-layout,.pomo-wrap{grid-template-columns:1fr}
  .charts-row{grid-template-columns:1fr}
  .kanban-board{grid-template-columns:1fr;min-height:0}
  .main-nav{display:none}
  .side-dots{left:8px;gap:11px}
  .side-dots .dot span{display:none}
  .heatmap{grid-template-columns:repeat(10,1fr)}
  .header{gap:10px}
  .user-name{max-width:80px}
}
@media (max-width:560px){
  .panel{padding:96px 16px 60px}
  .brand-name{display:none}
  .pomo-ring{width:210px;height:210px}
  .flash-card{height:210px}
  .chat{left:8px;right:8px;width:auto}
  .header-actions{gap:5px}
  .btn{padding:10px 14px}
}

/* ---------- طباعة الملاحظات ---------- */
@media print{
  body::before,#webgl-wrap,.header,.side-dots,.toolbar,.notes-side,#toast,.chat,.modal-head{display:none !important}
  .modal{position:static;background:none;padding:0}
  .modal-card{box-shadow:none;border:0;background:#fff;color:#000}
  .note-editor{background:#fff;color:#000;border:0}
}