/* ============================================================
   SMART — نظام التصميم (مرجع: core/shell.md 3‑هـ)
   فاتح: Mist خلفية، Navy نص، Baby Blue للنشط كتعبئة.
   داكن: Navy خلفية، Baby Blue للنشط، أبيض للنص. Amber لعنصر واحد.
   ============================================================ */
:root {
  --navy-900: #081628; --navy-800: #0F2440; --navy-700: #16304F; --navy: #0D2240;
  --baby: #9CD0FF; --baby-600: #5FB0F6; --baby-100: #E4F1FF; --baby-200: #C6E3FF;
  --amber: #F2A93B; --amber-100: #FFF1DA;
  --mist: #F2F5F9; --surface: #FFFFFF; --surface-2: #F7F9FC; --ink: #0D2240; --ink-2: #2B3E5A; --muted: #5E6B7E; --line: #DCE3EC; --line-2: #EAEFF5;
  --success: #2E9E6B; --success-100: #E3F5EC; --danger: #D64545; --danger-100: #FBE7E7; --warn: #B7791F; --warn-100: #FFF4DF;
  --accent: var(--baby-600); --accent-fill: var(--baby-100); --accent-ink: var(--navy);
  --radius: 14px; --radius-s: 9px; --shadow: 0 1px 2px rgba(13,34,64,.06), 0 8px 24px -12px rgba(13,34,64,.18);
  --font-ar: 'IBM Plex Sans Arabic', 'Segoe UI', Tahoma, sans-serif; --font-en: 'Outfit', 'IBM Plex Sans Arabic', sans-serif;
  --sidebar-w: 268px; --rail-w: 72px; --topbar-h: 56px; --tabs-h: 42px;
}
:root[data-theme="dark"] {
  --mist: #081628; --surface: #0F2440; --surface-2: #132B4B; --ink: #E9F1FA; --ink-2: #C9D7E8; --muted: #9FB0C4; --line: #22395A; --line-2: #1B3050;
  --accent: var(--baby); --accent-fill: #1C3A60; --accent-ink: #E9F1FA; --baby-100: #1C3A60; --baby-200: #26507F;
  --success-100: #143A2C; --danger-100: #4A1F1F; --warn-100: #4A3A14; --amber-100: #4A3A14;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 10px 28px -12px rgba(0,0,0,.6);
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; background: var(--mist); color: var(--ink); font-family: var(--font-ar); font-size: 14px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
:lang(en), .en, code, .num { font-family: var(--font-en); }
.num { font-variant-numeric: tabular-nums; direction: ltr; unicode-bidi: isolate; }
a { color: var(--accent); text-decoration: none; }
button { font: inherit; color: inherit; }
input, select, textarea { font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-s); padding: 8px 10px; outline: none; transition: border-color .15s, box-shadow .15s; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-fill); }
input[type="date"] { direction: ltr; font-family: var(--font-en); }
::selection { background: var(--baby-200); }
h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -.01em; }
h1 { font-size: 20px; } h2 { font-size: 16px; } h3 { font-size: 14px; }
small, .muted { color: var(--muted); }
hr { border: 0; border-top: 1px solid var(--line); margin: 12px 0; }

/* ---------- الأزرار ---------- */
.btn { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--line); background: var(--surface); border-radius: var(--radius-s); padding: 8px 14px; cursor: pointer; font-weight: 500; min-height: 40px; transition: background .15s, border-color .15s, transform .05s; white-space: nowrap; }
.btn:hover { background: var(--surface-2); border-color: var(--baby-600); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.primary { background: var(--navy); color: #fff; border-color: var(--navy); }
.btn.primary:hover { background: var(--navy-700); }
:root[data-theme="dark"] .btn.primary { background: var(--baby); color: var(--navy-900); border-color: var(--baby); }
.btn.accent { background: var(--accent-fill); color: var(--accent-ink); border-color: transparent; }
.btn.danger { color: var(--danger); border-color: var(--danger); }
.btn.ghost { border-color: transparent; background: transparent; }
.btn.sm { min-height: 32px; padding: 4px 10px; font-size: 13px; }
.btn.icon { padding: 8px; min-width: 40px; justify-content: center; }
.btn svg { width: 18px; height: 18px; }

/* ---------- الأيقونات ---------- */
.ic { width: 20px; height: 20px; stroke: currentColor; stroke-width: 1.6; fill: none; stroke-linecap: round; stroke-linejoin: round; flex: none; }

/* ---------- الهيكل ---------- */
.app { display: grid; grid-template-columns: var(--sidebar-w) 1fr; grid-template-rows: 100vh; height: 100vh; }
.app.rail { grid-template-columns: var(--rail-w) 1fr; }
.app.hidden-sb { grid-template-columns: 0 1fr; }
.sidebar { background: var(--surface); border-inline-end: 1px solid var(--line); display: flex; flex-direction: column; overflow: hidden; transition: width .2s; }
.sidebar .brand { display: flex; align-items: center; gap: 10px; padding: 14px 16px; height: var(--topbar-h); border-bottom: 1px solid var(--line-2); }
.brand .sigma { width: 34px; height: 34px; border-radius: 50%; background: var(--navy); display: grid; place-items: center; flex: none; }
.brand .sigma svg { width: 20px; height: 20px; stroke: var(--baby); stroke-width: 3; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.brand .word { font-family: var(--font-en); font-weight: 700; letter-spacing: .12em; font-size: 18px; }
.brand .word .sm { color: var(--navy); } .brand .word .art { color: var(--baby-600); }
:root[data-theme="dark"] .brand .word .sm { color: #fff; }
.search { padding: 10px 12px; border-bottom: 1px solid var(--line-2); }
.search input { width: 100%; padding-inline-start: 34px; background: var(--surface-2); }
.search { position: relative; } .search svg { position: absolute; inset-inline-start: 22px; top: 21px; width: 16px; height: 16px; color: var(--muted); }
.nav { flex: 1; overflow: auto; padding: 8px; }
.nav .group { margin-bottom: 6px; }
.nav .group-h { display: flex; align-items: center; gap: 8px; padding: 8px 10px; color: var(--muted); font-size: 12px; font-weight: 600; cursor: pointer; border-radius: var(--radius-s); user-select: none; }
.nav .group-h:hover { background: var(--surface-2); }
.nav .group-h .chev { margin-inline-start: auto; transition: transform .15s; }
.nav .group.open .group-h .chev { transform: rotate(-90deg); }
.nav .items { display: none; } .nav .group.open .items { display: block; }
.nav .item { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: var(--radius-s); cursor: pointer; color: var(--ink-2); font-weight: 500; position: relative; }
.nav .item:hover { background: var(--surface-2); color: var(--ink); }
.nav .item.active { background: var(--accent-fill); color: var(--accent-ink); }
.nav .item .badge { margin-inline-start: auto; }
.badge { display: inline-flex; align-items: center; justify-content: center; min-width: 20px; height: 20px; padding: 0 6px; border-radius: 10px; font-size: 11px; font-weight: 600; font-family: var(--font-en); }
.badge.action { background: var(--baby-600); color: #fff; }
.badge.urgent { background: var(--amber); color: var(--navy-900); }
.badge.unread { border: 1px solid var(--line); color: var(--muted); }
.sidebar .user { border-top: 1px solid var(--line-2); padding: 12px; display: flex; align-items: center; gap: 10px; }
.avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--accent-fill); color: var(--accent-ink); display: grid; place-items: center; font-weight: 600; flex: none; }
.user .meta { flex: 1; min-width: 0; } .user .meta div { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.app.rail .sidebar .word, .app.rail .search, .app.rail .nav .group-h span, .app.rail .nav .item span, .app.rail .user .meta, .app.rail .nav .items .item .badge { display: none; }
.app.rail .nav .item { justify-content: center; padding: 10px; }
.app.rail .nav .items { display: block; }
.app.rail .nav .group-h { justify-content: center; padding: 6px; }
.app.rail .nav .item[data-tip]:hover::after { content: attr(data-tip); position: absolute; inset-inline-start: 100%; top: 50%; transform: translateY(-50%); background: var(--navy); color: #fff; padding: 6px 10px; border-radius: 8px; white-space: nowrap; font-size: 12px; margin-inline-start: 8px; z-index: 50; }

.main { display: flex; flex-direction: column; min-width: 0; height: 100vh; }
.topbar { height: var(--topbar-h); display: flex; align-items: center; gap: 10px; padding: 0 16px; border-bottom: 1px solid var(--line); background: var(--surface); }
.topbar h1 { font-size: 16px; flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tabsbar { height: var(--tabs-h); display: flex; align-items: stretch; gap: 2px; padding: 6px 10px 0; background: var(--surface); border-bottom: 1px solid var(--line); overflow-x: auto; scrollbar-width: thin; }
.tab { display: flex; align-items: center; gap: 8px; padding: 0 12px; border: 1px solid transparent; border-bottom: 0; border-radius: 10px 10px 0 0; cursor: pointer; color: var(--muted); white-space: nowrap; font-size: 13px; max-width: 240px; }
.tab:hover { background: var(--surface-2); }
.tab.active { background: var(--mist); color: var(--ink); border-color: var(--line); font-weight: 500; position: relative; top: 1px; }
.tab .x { opacity: .5; border-radius: 6px; padding: 2px; display: inline-flex; } .tab .x:hover { opacity: 1; background: var(--line); }
.tab .x svg { width: 14px; height: 14px; }
.tabsbar .close-all { margin-inline-start: auto; align-self: center; }
.content { flex: 1; overflow: auto; padding: 18px 20px 40px; }
.content.narrow { max-width: 1100px; }

/* ---------- البطاقات والعناصر ---------- */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.card.flat { box-shadow: none; }
.card-h { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.card-h h2 { flex: 1; }
.grid { display: grid; gap: 14px; }
.grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid.auto { grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.grid.main-side { grid-template-columns: 2fr 1fr; }
.kpi { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.kpi .l { color: var(--muted); font-size: 12px; margin-bottom: 6px; }
.kpi .v { font-family: var(--font-en); font-size: 24px; font-weight: 600; font-variant-numeric: tabular-nums; direction: ltr; text-align: right; }
.kpi .s { font-size: 12px; color: var(--muted); margin-top: 4px; }
.kpi.accent { background: var(--accent-fill); border-color: transparent; }
.kpi.warn { border-color: var(--amber); }
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 500; background: var(--surface-2); border: 1px solid var(--line); }
.pill.ok { background: var(--success-100); color: var(--success); border-color: transparent; }
.pill.err { background: var(--danger-100); color: var(--danger); border-color: transparent; }
.pill.warn { background: var(--warn-100); color: var(--warn); border-color: transparent; }
.pill.info { background: var(--accent-fill); color: var(--accent-ink); border-color: transparent; }
.pill.amber { background: var(--amber-100); color: var(--warn); border-color: transparent; }
.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.stack { display: flex; flex-direction: column; gap: 10px; }
.field { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.field label { font-size: 12px; color: var(--muted); font-weight: 500; }
.toolbar { display: flex; align-items: flex-end; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }
.toolbar .field { min-width: 140px; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: var(--radius-s); overflow: hidden; background: var(--surface); }
.seg button { border: 0; background: transparent; padding: 7px 12px; cursor: pointer; color: var(--muted); font-weight: 500; min-height: 36px; }
.seg button.on { background: var(--accent-fill); color: var(--accent-ink); }
.seg button + button { border-inline-start: 1px solid var(--line); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { border: 1px solid var(--line); border-radius: 999px; padding: 4px 10px; font-size: 12px; cursor: pointer; background: var(--surface); }
.chip.on { background: var(--accent-fill); color: var(--accent-ink); border-color: transparent; }

/* ---------- الجداول ---------- */
.tbl-wrap { overflow: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); max-height: calc(100vh - 260px); }
table.tbl { width: 100%; border-collapse: separate; border-spacing: 0; font-size: 13px; }
.tbl th { position: sticky; top: 0; background: var(--surface-2); color: var(--muted); font-weight: 600; text-align: start; padding: 10px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; cursor: pointer; user-select: none; z-index: 1; }
.tbl th.sorted { color: var(--ink); }
.tbl td { padding: 9px 12px; border-bottom: 1px solid var(--line-2); vertical-align: middle; }
.tbl tr:hover td { background: var(--surface-2); }
.tbl td.num, .tbl th.num { text-align: end; font-family: var(--font-en); font-variant-numeric: tabular-nums; direction: ltr; }
.tbl tfoot td { font-weight: 600; background: var(--surface-2); position: sticky; bottom: 0; border-top: 1px solid var(--line); }
.tbl .pos { color: var(--success); } .tbl .neg { color: var(--danger); }
.tbl tr.clickable { cursor: pointer; }
.tbl .bar { height: 6px; background: var(--line-2); border-radius: 3px; overflow: hidden; min-width: 80px; }
.tbl .bar i { display: block; height: 100%; background: var(--baby-600); }
.empty { padding: 40px; text-align: center; color: var(--muted); }

/* ---------- التقدم ---------- */
.progress { height: 8px; background: var(--line-2); border-radius: 4px; overflow: hidden; }
.progress i { display: block; height: 100%; background: var(--baby-600); transition: width .3s; border-radius: 4px; }
.progress.done i { background: var(--success); }
.progress.err i { background: var(--danger); }
.progress.indet i { width: 40% !important; animation: indet 1.2s infinite ease-in-out; }
@keyframes indet { 0% { margin-inline-start: -40%; } 100% { margin-inline-start: 100%; } }

/* ---------- الرفع ---------- */
.drop { border: 2px dashed var(--line); border-radius: var(--radius); padding: 28px; text-align: center; background: var(--surface); transition: border-color .15s, background .15s; cursor: pointer; }
.drop.over { border-color: var(--baby-600); background: var(--accent-fill); }
.drop svg { width: 36px; height: 36px; color: var(--baby-600); margin-bottom: 8px; }
.file-row { display: grid; grid-template-columns: 28px 1.4fr 1fr 2fr auto; gap: 12px; align-items: center; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius-s); background: var(--surface); }
.file-row .name { font-family: var(--font-en); direction: ltr; text-align: left; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-row .stage { font-size: 12px; color: var(--muted); margin-top: 4px; }
.issues { max-height: 260px; overflow: auto; border: 1px solid var(--line); border-radius: var(--radius-s); }
.issues table { font-size: 12px; }

/* ---------- النوافذ والتنبيهات ---------- */
.modal-bg { position: fixed; inset: 0; background: rgba(8,22,40,.45); display: grid; place-items: center; z-index: 100; padding: 16px; }
.modal { background: var(--surface); border-radius: var(--radius); width: min(720px, 100%); max-height: 92vh; overflow: auto; box-shadow: var(--shadow); padding: 20px; }
.modal.wide { width: min(1100px, 100%); }
.toasts { position: fixed; bottom: 16px; inset-inline-start: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 200; }
.toast { background: var(--navy); color: #fff; padding: 10px 14px; border-radius: var(--radius-s); box-shadow: var(--shadow); max-width: 420px; }
.toast.success { background: var(--success); } .toast.error { background: var(--danger); }
.alert { padding: 10px 14px; border-radius: var(--radius-s); border: 1px solid var(--line); background: var(--surface-2); }
.alert.warn { background: var(--warn-100); border-color: transparent; color: var(--warn); }
.alert.err { background: var(--danger-100); border-color: transparent; color: var(--danger); }
.alert.ok { background: var(--success-100); border-color: transparent; color: var(--success); }
.alert.info { background: var(--accent-fill); border-color: transparent; color: var(--accent-ink); }

/* ---------- الدخول ---------- */
.login { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; }
.login .intro { background: var(--navy-900); color: #fff; display: grid; place-items: center; padding: 40px; }
.login .intro .logo { text-align: center; }
.login .intro .sigma { width: 110px; height: 110px; border-radius: 50%; background: var(--navy-700); display: grid; place-items: center; margin: 0 auto 18px; animation: pop .7s ease-out; }
.login .intro .sigma svg { width: 60px; height: 60px; stroke: var(--baby); stroke-width: 7; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.login .intro .word { font-family: var(--font-en); font-size: 42px; font-weight: 700; letter-spacing: .18em; }
.login .intro .word .art { color: var(--baby); }
.login .intro .slogan { color: var(--baby-200); margin-top: 8px; font-family: var(--font-en); letter-spacing: .04em; }
@keyframes pop { from { transform: scale(.6) rotate(-20deg); opacity: 0; } to { transform: none; opacity: 1; } }
.login .form { display: grid; place-items: center; padding: 40px 24px; }
.login .form .card { width: min(420px, 100%); }
.login .form h1 { font-family: var(--font-en); font-size: 26px; }
.welcome { position: fixed; inset: 0; background: var(--navy-900); color: #fff; display: grid; place-items: center; z-index: 300; font-family: var(--font-en); font-size: clamp(24px, 4vw, 44px); font-weight: 500; text-align: center; animation: fade .4s; }
.welcome b { color: var(--baby); font-weight: 700; }
@keyframes fade { from { opacity: 0; } }

/* ---------- الموبايل ---------- */
.mobile-only { display: none; }
@media (max-width: 900px) {
  .app, .app.rail, .app.hidden-sb { grid-template-columns: 1fr; }
  .sidebar { position: fixed; inset: 0 auto 0 0; width: min(84vw, 320px); z-index: 90; transform: translateX(100%); transition: transform .2s; box-shadow: var(--shadow); }
  [dir="rtl"] .sidebar { inset: 0 0 0 auto; }
  .app.sb-open .sidebar { transform: none; }
  .sb-scrim { position: fixed; inset: 0; background: rgba(8,22,40,.4); z-index: 80; }
  .mobile-only { display: inline-flex; }
  .desktop-only { display: none !important; }
  .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr 1fr; }
  .grid.main-side { grid-template-columns: 1fr; }
  .file-row { grid-template-columns: 1fr; }
  .login { grid-template-columns: 1fr; } .login .intro { padding: 28px; }
  .content { padding: 12px; }
  .tbl-wrap { max-height: none; }
}
@media print {
  .sidebar, .topbar, .tabsbar, .toolbar, .btn, .no-print { display: none !important; }
  .app { display: block; } .content { overflow: visible; padding: 0; }
  .tbl-wrap { max-height: none; border: 0; } .card { box-shadow: none; }
  body { background: #fff; color: #000; }
}