:root{
  --navy:#1c1340;--navy-2:#241a4e;--navy-hover:#2e2260;--accent:#3b2f8f;
  --red:#e23744;--bg:#f3f4f8;--card:#ffffff;--ink:#22243a;--muted:#8b90a6;
  --line:#e7e9f2;--green:#1f9d6b;--green-d:#178055;--radius:14px;
  --shadow:0 1px 3px rgba(20,20,50,.06),0 8px 24px rgba(20,20,50,.05);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:'Cairo',system-ui,Segoe UI,Tahoma,sans-serif;background:var(--bg);color:var(--ink);direction:rtl;}
a{color:inherit;text-decoration:none}
h1{font-size:1.35rem;margin:0;font-weight:800}
.app-shell{display:flex;min-height:100vh}
.app-main{flex:1;min-width:0;display:flex;flex-direction:column}
.app-content{padding:22px 26px;max-width:1500px;width:100%;margin:0 auto}
.sidebar{width:268px;flex-shrink:0;background:var(--navy);color:#cfd0e2;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto;}
.sidebar-brand{display:flex;align-items:center;gap:10px;padding:20px 18px 14px;font-weight:800;color:#fff;font-size:1.05rem}
.sidebar-brand .logo{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,#5b46d6,#9b3bd6);display:grid;place-items:center;color:#fff;font-size:1rem}
.sidebar-search{margin:6px 14px 12px;display:flex;align-items:center;gap:8px;background:#2a2056;border-radius:9px;padding:9px 12px}
.sidebar-search input{flex:1;background:transparent;border:0;color:#fff;outline:none;font-family:inherit;font-size:.85rem}
.sidebar-search input::placeholder{color:#8a87b8}
.nav-section{margin:2px 0}
.nav-parent{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:11px 18px;cursor:pointer;font-weight:700;color:#e9e9f6;font-size:.9rem;user-select:none;border-right:3px solid transparent;}
.nav-parent:hover{background:var(--navy-hover)}
.nav-parent.open{background:var(--accent);border-right-color:#b9a6ff}
.nav-parent .chev{transition:transform .18s;font-size:.7rem;opacity:.8}
.nav-parent.open .chev{transform:rotate(180deg)}
.nav-children{display:none;padding:2px 0 6px}
.nav-children.open{display:block}
.nav-child{display:block;padding:8px 30px;color:#b7b8d4;font-size:.84rem;border-right:3px solid transparent;}
.nav-child:hover{color:#fff;background:var(--navy-2)}
.nav-child.active{color:#fff;font-weight:700;border-right-color:var(--red)}
.sidebar-foot{margin-top:auto;padding:16px 14px}
.btn-logout{display:block;width:100%;text-align:center;background:#160e30;color:#cfd0e2;padding:11px;border-radius:9px;font-weight:700;border:1px solid #2c2358}
.topbar{display:flex;align-items:center;gap:14px;padding:12px 26px;background:#fff;border-bottom:1px solid var(--line)}
.topbar .spacer{flex:1}
.topbar .icon-btn{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:#f1f1f8;color:var(--navy);position:relative}
.topbar .badge{position:absolute;top:-4px;left:-4px;background:var(--red);color:#fff;font-size:.62rem;min-width:16px;height:16px;border-radius:9px;display:grid;place-items:center;padding:0 4px}
.page-head{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 20px;margin-bottom:18px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.page-head .crumbs{color:var(--muted);font-size:.8rem;margin-top:4px}
.page-head .crumbs b{color:var(--accent)}
.btn{border:0;border-radius:10px;padding:9px 16px;font-family:inherit;font-weight:700;font-size:.85rem;cursor:pointer;display:inline-flex;align-items:center;gap:7px;transition:.15s}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-green{background:var(--green);color:#fff}
.btn-green:hover{background:var(--green-d)}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy-hover)}
.btn-ghost{background:#f1f1f8;color:var(--navy)}
.btn-ghost:hover{background:#e7e7f4}
.btn-red{background:#fde8ea;color:var(--red)}
.btn-sm{padding:7px 12px;font-size:.78rem}
.dash-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.stat-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px 18px;display:flex;align-items:center;gap:14px;position:relative;overflow:hidden;border-right:5px solid var(--red);transition:.18s;cursor:pointer;}
.stat-card:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(20,20,50,.12)}
.stat-card .ic{width:54px;height:54px;border-radius:12px;background:#f4f3fb;display:grid;place-items:center;color:#b9b6d6;flex-shrink:0}
.stat-card .meta{flex:1;text-align:center}
.stat-card .meta .t{color:var(--red);font-weight:700;font-size:.95rem;margin-bottom:6px}
.stat-card .meta .n{font-size:1.7rem;font-weight:800;color:var(--ink)}
.data-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 20px}
.toolbar{display:flex;align-items:center;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.toolbar .spacer{flex:1}
.page-size{display:flex;align-items:center;gap:6px;background:#f5f5fb;border-radius:9px;padding:6px 10px;font-size:.8rem;color:var(--muted)}
.page-size select{border:0;background:transparent;font-family:inherit;outline:none;color:var(--ink)}
table.grid{width:100%;border-collapse:collapse;font-size:.85rem}
table.grid thead th{color:var(--muted);font-weight:700;text-align:right;padding:12px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
table.grid tbody td{padding:13px 10px;border-bottom:1px solid #f1f2f8;color:var(--ink)}
table.grid tbody tr:hover{background:#fafaff}
.row-ops{display:flex;align-items:center;gap:10px}
.op{width:32px;height:32px;border-radius:8px;display:grid;place-items:center;cursor:pointer;border:0;background:transparent;color:var(--navy)}
.op:hover{background:#f1f1f8}
.op.del{color:var(--red)}
.pill{background:#eef0f8;color:#5b5f7a;border-radius:20px;padding:3px 12px;font-size:.76rem;font-weight:600}
.pill.on{background:#e3f6ee;color:var(--green-d)}
.pill.off{background:#fdeaec;color:var(--red)}
.pager{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:16px;color:var(--muted);font-size:.82rem}
.pager button{min-width:34px;height:34px;border-radius:8px;border:1px solid var(--line);background:#fff;cursor:pointer;font-family:inherit}
.pager button.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.pager button:disabled{opacity:.4;cursor:default}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:20px;flex-wrap:wrap}
.tab{padding:11px 18px;font-weight:700;font-size:.85rem;color:var(--muted);cursor:pointer;border-bottom:3px solid transparent}
.tab.active{color:var(--accent);border-bottom-color:var(--accent)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px 22px}
@media(max-width:760px){.form-grid{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:.82rem;font-weight:700;color:#4a4d66}
.field label .req{color:var(--red)}
.field .with-add{display:flex;gap:8px;align-items:center}
.field .with-add .add{width:38px;height:38px;border-radius:9px;background:var(--accent);color:#fff;border:0;font-size:1.1rem;cursor:pointer;flex-shrink:0}
input.ctl,select.ctl,textarea.ctl{width:100%;border:1px solid var(--line);border-radius:9px;padding:10px 12px;font-family:inherit;font-size:.86rem;background:#fbfbfe;outline:none;color:var(--ink);}
input.ctl:focus,select.ctl:focus,textarea.ctl:focus{border-color:var(--accent);background:#fff}
textarea.ctl{min-height:84px;resize:vertical}
.radio-row{display:flex;gap:18px;padding-top:6px}
.radio-row label{display:flex;align-items:center;gap:7px;font-weight:600;color:#4a4d66;cursor:pointer}
.form-actions{display:flex;gap:10px;justify-content:flex-start;margin-top:6px}
.subblock{border:1px solid var(--line);border-radius:var(--radius);margin-top:18px;overflow:hidden}
.subblock-head{background:var(--navy);color:#fff;padding:12px 18px;font-weight:700;font-size:.9rem;display:flex;justify-content:space-between;align-items:center}
.subblock-body{padding:16px 18px;background:#fff}
.sub-actions{display:flex;gap:10px;justify-content:flex-start;margin-top:14px}
.modal-back{position:fixed;inset:0;background:rgba(20,20,50,.45);display:grid;place-items:center;z-index:50;padding:20px}
.modal{background:#fff;border-radius:var(--radius);width:min(760px,100%);max-height:90vh;overflow:auto;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.modal-head{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line)}
.modal-head .x{cursor:pointer;color:var(--muted);font-size:1.2rem;background:0;border:0}
.modal-body{padding:20px}
.empty{text-align:center;color:var(--muted);padding:36px;font-size:.9rem}
.toast{position:fixed;bottom:24px;inset-inline-start:24px;background:var(--navy);color:#fff;padding:13px 20px;border-radius:10px;box-shadow:var(--shadow);z-index:99;font-weight:600;font-size:.85rem}

/* ===================== Schema Explorer ===================== */
.exp-stats{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin:18px 0}
.exp-stat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;text-align:center;box-shadow:var(--shadow)}
.exp-stat .n{display:block;font-size:1.7rem;font-weight:800;color:var(--navy)}
.exp-stat .l{display:block;font-size:.8rem;color:var(--muted);margin-top:4px}
.exp-stat:nth-child(4) .n{color:var(--red)}

.exp-toolbar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:14px}
.exp-search{flex:1;min-width:240px;padding:11px 16px;border:1px solid var(--line);border-radius:12px;font-size:.95rem;font-family:inherit;background:var(--card)}
.exp-filters{display:flex;gap:6px}
.exp-filters .chip{padding:8px 16px;border:1px solid var(--line);background:var(--card);border-radius:999px;cursor:pointer;font-family:inherit;font-size:.85rem;font-weight:600;color:var(--muted)}
.exp-filters .chip.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.exp-counts{display:flex;align-items:center;gap:6px;font-size:.85rem;color:var(--muted);cursor:pointer}

.exp-layout{display:grid;grid-template-columns:340px 1fr;gap:18px;align-items:start}
.exp-list{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:8px;max-height:calc(100vh - 320px);overflow-y:auto;box-shadow:var(--shadow)}
.exp-item{display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;border:0;background:transparent;border-radius:10px;cursor:pointer;text-align:right;font-family:inherit;margin-bottom:2px;transition:background .12s}
.exp-item:hover{background:#f4f6fb}
.exp-item.sel{background:var(--navy);color:#fff}
.exp-item.sel small{color:#cdd6ee}
.exp-item .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex-shrink:0}
.exp-item.lk .dot{background:var(--red)}
.exp-item .nm{flex:1;display:flex;flex-direction:column;min-width:0}
.exp-item .nm b{font-size:.9rem;font-weight:700}
.exp-item .nm small{font-size:.72rem;color:var(--muted);direction:ltr;text-align:right;overflow:hidden;text-overflow:ellipsis}
.exp-item .badges{display:flex;gap:4px;flex-shrink:0}
.exp-item .b{font-size:.65rem;padding:2px 7px;border-radius:999px;font-weight:700}
.exp-item .b.lk{background:#fde8e8;color:var(--red)}
.exp-item.sel .b.lk{background:rgba(255,255,255,.2);color:#fff}
.exp-item .b.ct{background:#e8f0fe;color:var(--navy)}
.exp-empty{padding:24px;text-align:center;color:var(--muted);font-size:.85rem}

.exp-detail{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;min-height:400px;box-shadow:var(--shadow)}
.exp-hint{color:var(--muted);text-align:center;padding:80px 20px;font-size:1rem}
.exp-d-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:8px}
.exp-d-head h2{margin:0;font-size:1.4rem;color:var(--navy)}
.exp-d-head h2 .en{font-size:.85rem;color:var(--muted);font-weight:600;direction:ltr}
.exp-d-head .tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.exp-d-head .tag{font-size:.75rem;padding:4px 11px;border-radius:999px;background:#eef1f7;color:var(--navy);font-weight:600}
.exp-d-head .tag.lk{background:#fde8e8;color:var(--red)}
.exp-d-head .tag.biz{background:#e1f0e8;color:var(--green-d)}
.exp-d-head .tag.ct{background:var(--navy);color:#fff}
.exp-open{padding:9px 16px;background:var(--green);color:#fff;border-radius:10px;text-decoration:none;font-weight:700;font-size:.85rem;white-space:nowrap}
.exp-open:hover{background:var(--green-d)}

.exp-sec{font-size:.95rem;color:var(--navy);margin:22px 0 10px;font-weight:800}
.exp-table-wrap{border:1px solid var(--line);border-radius:10px;overflow:hidden}
.exp-cols{width:100%;border-collapse:collapse;font-size:.85rem}
.exp-cols th{background:#f4f6fb;padding:10px 12px;text-align:right;font-weight:700;color:var(--muted);border-bottom:1px solid var(--line)}
.exp-cols td{padding:9px 12px;border-bottom:1px solid #f0f2f6}
.exp-cols tr:last-child td{border-bottom:0}
.exp-cols tr.sys{opacity:.6}
.exp-cols code{direction:ltr;font-size:.82rem;color:var(--navy);font-weight:600}
.exp-cols .kind{font-size:.72rem;padding:2px 9px;border-radius:6px;background:#eef1f7;color:var(--muted);font-weight:600}
.exp-cols .kind.k-dropdown{background:#e8f0fe;color:var(--navy)}
.exp-cols .kind.k-date{background:#fff3e0;color:#b26a00}
.exp-cols .kind.k-radio{background:#e1f0e8;color:var(--green-d)}
.exp-cols .key{font-size:.7rem;padding:2px 8px;border-radius:6px;font-weight:700;text-decoration:none;display:inline-block}
.exp-cols .key.pk{background:#fff3cd;color:#946c00}
.exp-cols .key.fk{background:#e8f0fe;color:var(--navy);direction:ltr;cursor:pointer}
.exp-cols .key.fk:hover{background:var(--navy);color:#fff}

.exp-rels{display:flex;flex-wrap:wrap;gap:10px}
.rel-card{display:flex;align-items:center;gap:8px;padding:10px 14px;border:1px solid var(--line);border-radius:10px;background:var(--card);cursor:pointer;font-family:inherit;transition:all .12s}
.rel-card:hover{border-color:var(--navy);box-shadow:0 2px 8px rgba(0,0,0,.06)}
.rel-card .tbl{display:flex;flex-direction:column;font-weight:700;font-size:.85rem;color:var(--navy)}
.rel-card .tbl small{font-size:.68rem;color:var(--muted);direction:ltr;font-weight:500}
.rel-card .via{font-size:.75rem;color:var(--muted);direction:ltr;background:#f4f6fb;padding:3px 8px;border-radius:6px}
.rel-card .arrow{color:var(--accent);font-weight:800}
.rel-card.in{border-right:3px solid var(--accent)}
.rel-card.out{border-right:3px solid var(--green)}

@media(max-width:900px){
  .exp-stats{grid-template-columns:repeat(2,1fr)}
  .exp-layout{grid-template-columns:1fr}
  .exp-list{max-height:300px}
}

/* Friendly save-error banner (Round 5) */
.save-error {
  margin: 12px 0 4px;
  padding: 12px 16px;
  background: #fdecec;
  border: 1px solid #f5b5b5;
  border-right: 4px solid var(--red);
  border-radius: var(--radius);
  color: #a01818;
  font-size: 14px;
  line-height: 1.6;
}