:root{
  --bg:#05070a;
  --surface:#0d131b;
  --surface-2:#121a24;
  --surface-3:#182130;
  --border:#1e2734;
  --border-soft:#161d28;
  --text:#e9eef5;
  --text-dim:#8d9aab;
  --text-faint:#57616f;

  --primary:#3ec1f8;
  --primary-strong:#7bd8ff;
  --primary-soft:rgba(62,193,248,.12);
  --primary-glow:rgba(62,193,248,.45);

  --cat-tech:#3ec1f8;
  --cat-fixes:#34d399;
  --cat-bugs:#f87171;
  --cat-design:#c084fc;
  --cat-logic:#fbbf24;
  --cat-additions:#22d3ee;

  --status-progress:#fbbf24;
  --status-done:#34d399;
  --danger:#f87171;

  --radius-s:8px;
  --radius-m:14px;
  --radius-l:20px;

  --font-ui:'Cairo',system-ui,sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,monospace;

  --shadow-lg:0 20px 60px rgba(0,0,0,.55);
}

*{box-sizing:border-box;}
html,body{height:100%;}
body{
  margin:0;
  background:
    radial-gradient(ellipse 900px 500px at 15% -10%, rgba(62,193,248,.09), transparent 60%),
    radial-gradient(ellipse 700px 500px at 100% 0%, rgba(192,132,252,.06), transparent 55%),
    var(--bg);
  color:var(--text);
  font-family:var(--font-ui);
  -webkit-font-smoothing:antialiased;
}

button,input,textarea{font-family:inherit;color:inherit;}
input,textarea{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-s);color:var(--text);padding:11px 13px;font-size:14.5px;outline:none;transition:border-color .15s,box-shadow .15s;}
input:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft);}
textarea{resize:vertical;line-height:1.65;}
button{cursor:pointer;font-size:14.5px;}
h1,h2,h3{margin:0;font-weight:800;}
::selection{background:var(--primary-glow);color:#00131c;}
:focus-visible{outline:2px solid var(--primary-strong);outline-offset:2px;}

/* ===== أزرار عامة ===== */
.btn{
  border:1px solid var(--border);
  background:var(--surface-2);
  color:var(--text);
  padding:10px 16px;
  border-radius:10px;
  font-weight:600;
  display:inline-flex;align-items:center;gap:6px;
  transition:background .15s,border-color .15s,transform .1s;
}
.btn:hover{border-color:var(--text-faint);}
.btn:active{transform:scale(.97);}
.btn-primary{
  background:linear-gradient(180deg,var(--primary-strong),var(--primary));
  color:#00161f;border-color:transparent;font-weight:700;
  box-shadow:0 6px 20px rgba(62,193,248,.25);
}
.btn-primary:hover{filter:brightness(1.06);}
.btn-ghost{background:transparent;}
.btn-danger{background:transparent;color:var(--danger);border-color:rgba(248,113,113,.35);}
.btn-danger:hover{background:rgba(248,113,113,.1);}
.btn-block{width:100%;justify-content:center;}
.btn-sm{padding:7px 12px;font-size:13px;}
.plus{font-weight:800;}
.icon-btn{
  background:transparent;border:none;color:var(--text-dim);
  width:34px;height:34px;border-radius:9px;display:flex;align-items:center;justify-content:center;
  font-size:16px;transition:background .15s,color .15s;
}
.icon-btn:hover{background:var(--surface-3);color:var(--text);}

/* ===== شاشة الدخول ===== */
.login-screen{
  min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;
}
.login-card{
  width:100%;max-width:380px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-l);padding:36px 30px;text-align:center;box-shadow:var(--shadow-lg);
}
.login-mark{display:flex;gap:7px;justify-content:center;margin-bottom:18px;}
.mark-dot{width:9px;height:9px;border-radius:50%;background:var(--primary);box-shadow:0 0 12px var(--primary-glow);animation:blip 1.6s ease-in-out infinite;}
.mark-dot:nth-child(2){animation-delay:.2s;background:var(--cat-design);box-shadow:0 0 12px rgba(192,132,252,.5);}
.mark-dot:nth-child(3){animation-delay:.4s;background:var(--cat-fixes);box-shadow:0 0 12px rgba(52,211,153,.5);}
@keyframes blip{0%,100%{opacity:.35;transform:translateY(0);}50%{opacity:1;transform:translateY(-3px);}}
.login-card h1{font-size:20px;margin-bottom:6px;}
.login-sub{color:var(--text-dim);font-size:13.5px;margin:0 0 22px;}
#login-form{display:flex;flex-direction:column;gap:12px;}
.login-error{color:var(--danger);font-size:13px;margin:2px 0 0;}

/* ===== الهيكل العام ===== */
.app{min-height:100vh;display:flex;flex-direction:column;}
.topbar{
  position:sticky;top:0;z-index:20;
  background:rgba(8,11,16,.85);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border-soft);
  box-shadow:0 1px 0 rgba(62,193,248,.15);
}
.topbar-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 22px;}
.filters-row{padding-top:0;padding-bottom:14px;flex-wrap:wrap;gap:10px;}
.brand{display:flex;align-items:center;gap:10px;}
.brand-blip{width:10px;height:10px;border-radius:50%;background:var(--primary);box-shadow:0 0 14px var(--primary-glow);}
.brand-title{font-weight:800;font-size:17px;letter-spacing:.2px;}
.topbar-actions{display:flex;align-items:center;gap:8px;}
.role-badge{
  font-family:var(--font-mono);font-size:11.5px;padding:7px 11px;border-radius:8px;
  border:1px solid var(--border);background:var(--surface-2);color:var(--text-dim);
}
.role-badge.is-editor{color:var(--primary-strong);border-color:rgba(62,193,248,.35);}

/* ===== أشرطة التصفية ===== */
.pill-group{display:flex;gap:8px;flex-wrap:wrap;}
.pill{
  display:flex;align-items:center;gap:7px;
  background:var(--surface-2);border:1px solid var(--border);
  padding:7px 12px 7px 8px;border-radius:999px;color:var(--text-dim);font-size:13px;font-weight:600;
  transition:all .15s;position:relative;
}
.pill:hover{color:var(--text);border-color:var(--text-faint);}
.pill .dot{width:7px;height:7px;border-radius:50%;flex-shrink:0;}
.pill .count{
  font-family:var(--font-mono);font-size:11px;background:rgba(255,255,255,.06);
  padding:1px 6px;border-radius:999px;color:var(--text-dim);
}
.pill.is-active{color:var(--text);border-color:var(--primary);background:var(--primary-soft);
  box-shadow:0 0 0 1px var(--primary) inset, 0 4px 14px rgba(62,193,248,.18);}
.pill.is-active::after{
  content:'';position:absolute;bottom:-8px;left:50%;transform:translateX(-50%);
  width:16px;height:2px;background:var(--primary);border-radius:2px;box-shadow:0 0 8px var(--primary-glow);
}
.pill-group-status .pill.is-active{border-color:var(--status-done);background:rgba(52,211,153,.1);}
.pill-group-status .pill.is-active::after{background:var(--status-done);}

/* ===== لوحة البطاقات ===== */
.board-wrap{flex:1;padding:22px;max-width:1280px;margin:0 auto;width:100%;}
.board{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:16px;
}
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-m);
  padding:16px 18px;cursor:pointer;position:relative;overflow:hidden;
  transition:transform .15s,border-color .15s,box-shadow .15s;
  border-inline-end:3px solid var(--cat-tech);
}
.card::before{
  content:'';position:absolute;inset:0;background:radial-gradient(120px 80px at 100% 0%,var(--primary-soft),transparent 70%);
  opacity:0;transition:opacity .2s;pointer-events:none;
}
.card:hover{border-color:var(--text-faint);transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,0,0,.4);}
.card:hover::before{opacity:1;}
.card-top{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:10px;}
.category-tag{
  font-family:var(--font-mono);font-size:10.5px;font-weight:600;letter-spacing:.3px;
  padding:3px 9px;border-radius:999px;white-space:nowrap;
}
.status-pill{
  display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:700;
  padding:3px 9px;border-radius:999px;font-family:var(--font-mono);
}
.status-pill .dot{width:6px;height:6px;border-radius:50%;}
.card-title{font-size:15.5px;font-weight:700;margin:0 0 6px;line-height:1.4;}
.card-desc{font-size:13px;color:var(--text-dim);margin:0;line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:14px;font-size:11px;color:var(--text-faint);font-family:var(--font-mono);}

.empty-state{text-align:center;padding:70px 20px;color:var(--text-faint);}
.empty-icon{font-size:34px;margin-bottom:10px;opacity:.5;}
.loading-state{display:flex;justify-content:center;padding:60px 0;}
.loading-state[hidden]{display:none;}
.spinner{width:26px;height:26px;border-radius:50%;border:3px solid var(--border);border-top-color:var(--primary);animation:spin .8s linear infinite;}
@keyframes spin{to{transform:rotate(360deg);}}

/* ===== النوافذ المنبثقة ===== */
.modal-overlay{
  position:fixed;inset:0;background:rgba(3,5,8,.72);backdrop-filter:blur(3px);
  display:flex;align-items:center;justify-content:center;z-index:100;padding:18px;
  animation:fadeIn .15s ease-out;
}
@keyframes fadeIn{from{opacity:0;}to{opacity:1;}}
.modal{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-l);
  width:100%;max-width:640px;max-height:90vh;display:flex;flex-direction:column;box-shadow:var(--shadow-lg);
  animation:pop .18s ease-out;
}
@keyframes pop{from{opacity:0;transform:translateY(8px) scale(.98);}to{opacity:1;transform:none;}}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--border-soft);}
.modal-header h2{font-size:17px;}
.modal-body{padding:20px;overflow-y:auto;}
.modal-footer{display:flex;justify-content:flex-end;gap:10px;margin-top:18px;padding-top:16px;border-top:1px solid var(--border-soft);}

.field-row{margin-bottom:16px;display:flex;flex-direction:column;gap:8px;}
.field-row label{font-size:12.5px;font-weight:700;color:var(--text-dim);}
.category-select{display:flex;flex-wrap:wrap;gap:8px;}
.cat-option{
  border:1px solid var(--border);background:var(--surface-2);padding:8px 13px;border-radius:10px;
  font-size:13px;font-weight:600;color:var(--text-dim);display:flex;align-items:center;gap:6px;
}
.cat-option .dot{width:7px;height:7px;border-radius:50%;}
.cat-option.is-selected{color:var(--text);border-color:currentColor;background:var(--primary-soft);}

.md-toolbar{display:flex;flex-wrap:wrap;gap:5px;background:var(--surface-2);border:1px solid var(--border);border-radius:10px 10px 0 0;padding:6px;border-bottom:none;}
.md-btn{background:transparent;border:1px solid transparent;border-radius:7px;color:var(--text-dim);padding:6px 10px;font-size:13px;font-family:var(--font-mono);}
.md-btn:hover{background:var(--surface-3);color:var(--primary-strong);border-color:var(--border);}
.md-sep{width:1px;background:var(--border);margin:3px 2px;}
#task-body-input{border-radius:0 0 10px 10px;font-family:var(--font-mono);font-size:13px;}

.upload-status{color:var(--primary-strong);font-weight:600;font-family:var(--font-mono);}
.attachments-list{display:flex;flex-wrap:wrap;gap:8px;}
.attachment-chip{
  display:flex;align-items:center;gap:7px;background:var(--surface-2);border:1px solid var(--border);
  border-radius:9px;padding:5px 5px 5px 9px;font-size:12px;
}
.attachment-chip img{width:26px;height:26px;object-fit:cover;border-radius:5px;}
.attachment-chip .file-ico{width:26px;height:26px;border-radius:5px;background:var(--surface-3);display:flex;align-items:center;justify-content:center;font-size:13px;}
.attachment-chip button{background:transparent;border:none;color:var(--text-faint);font-size:14px;padding:0 3px;}
.attachment-chip button:hover{color:var(--danger);}
.form-error{color:var(--danger);font-size:13px;margin:0;}

/* ===== نافذة التفاصيل ===== */
.detail-heading{display:flex;flex-direction:column;gap:6px;}
.detail-heading h2{font-size:18px;}
.detail-short-desc{color:var(--text-dim);font-size:14px;margin:0 0 18px;line-height:1.7;}
.detail-status-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:20px;}
.detail-status-label{font-size:13px;color:var(--text-dim);}
.status-toggle{display:flex;gap:6px;}
.status-opt{
  font-family:var(--font-mono);font-size:12px;font-weight:700;padding:6px 12px;border-radius:8px;
  border:1px solid var(--border);background:var(--surface-2);color:var(--text-dim);display:flex;align-items:center;gap:6px;
}
.status-opt .dot{width:6px;height:6px;border-radius:50%;}
.status-opt.is-active{color:var(--text);border-color:currentColor;}

.detail-body{
  font-size:14.5px;line-height:1.85;color:var(--text);
}
.detail-body h1,.detail-body h2,.detail-body h3{margin:20px 0 10px;line-height:1.5;}
.detail-body h1{font-size:20px;color:var(--primary-strong);}
.detail-body h2{font-size:17px;color:var(--text);}
.detail-body p{margin:0 0 12px;}
.detail-body hr{border:none;border-top:1px dashed var(--border);margin:20px 0;}
.detail-body ul,.detail-body ol{padding-inline-start:22px;margin:0 0 12px;}
.detail-body code:not(pre code){background:var(--surface-3);padding:2px 6px;border-radius:5px;font-family:var(--font-mono);font-size:12.5px;color:var(--primary-strong);}
.detail-body pre{
  background:#0a0f16;border:1px solid var(--border);border-radius:10px;padding:14px 16px;
  max-height:420px;overflow-y:auto;overflow-x:hidden;margin:10px 0 16px;
}
.detail-body pre code{
  white-space:pre-wrap;word-break:break-word;font-family:var(--font-mono);font-size:12.5px;line-height:1.7;background:transparent;padding:0;
}
.empty-note{color:var(--text-faint);font-style:italic;}
.inline-img-chip{
  display:inline-flex;align-items:center;gap:6px;background:var(--primary-soft);color:var(--primary-strong);
  border:1px solid rgba(62,193,248,.35);border-radius:8px;padding:4px 10px;font-size:12.5px;font-weight:600;
  margin:2px 0;cursor:pointer;
}
.inline-img-chip:hover{background:rgba(62,193,248,.22);}

.detail-media-section{margin-top:22px;padding-top:18px;border-top:1px solid var(--border-soft);}
.detail-media-section h3{font-size:13px;color:var(--text-dim);margin-bottom:10px;}
.media-grid{display:flex;flex-wrap:wrap;gap:10px;}
.media-thumb{width:84px;height:84px;border-radius:10px;overflow:hidden;border:1px solid var(--border);cursor:pointer;background:var(--surface-2);}
.media-thumb img{width:100%;height:100%;object-fit:cover;}
.media-file{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  width:84px;height:84px;border-radius:10px;border:1px solid var(--border);background:var(--surface-2);
  font-size:20px;color:var(--text-dim);text-decoration:none;padding:6px;text-align:center;
}
.media-file span{font-size:9.5px;font-family:var(--font-mono);color:var(--text-faint);word-break:break-all;line-height:1.3;}

.detail-meta{display:flex;justify-content:space-between;margin-top:20px;font-size:11px;color:var(--text-faint);font-family:var(--font-mono);}

/* ===== لايت بوكس ===== */
.lightbox{position:fixed;inset:0;background:rgba(2,4,6,.92);z-index:200;display:flex;align-items:center;justify-content:center;padding:30px;}
.lightbox img{max-width:100%;max-height:100%;border-radius:8px;box-shadow:0 20px 60px rgba(0,0,0,.6);}
.lightbox-close{position:absolute;top:20px;left:20px;background:rgba(255,255,255,.08);border:none;color:#fff;width:38px;height:38px;border-radius:50%;font-size:16px;}

/* ===== تنبيه سريع ===== */
.toast{
  position:fixed;bottom:26px;left:50%;transform:translateX(-50%);
  background:var(--surface-3);border:1px solid var(--border);color:var(--text);
  padding:11px 18px;border-radius:10px;font-size:13.5px;box-shadow:var(--shadow-lg);z-index:300;
}
.toast.is-error{border-color:rgba(248,113,113,.4);color:#ffb4b4;}

/* ===== استجابة الشاشات ===== */
@media (max-width:640px){
  .topbar-row{padding:12px 14px;}
  .filters-row{padding-bottom:12px;}
  .board-wrap{padding:14px;}
  .board{grid-template-columns:1fr;}
  .brand-title{font-size:15px;}
  .modal{max-height:94vh;border-radius:16px 16px 0 0;align-self:flex-end;}
  .modal-overlay{align-items:flex-end;padding:0;}
  .login-card{padding:28px 22px;}
}
@media (max-width:420px){
  .topbar-actions .btn span:not(.plus){display:none;}
  .role-badge{display:none;}
}