/* ══════════════════════════════════════════════════════════════
   لوحة سلطان — الألوان أدوار لا قيم، والوضع الداكن مختار لا مقلوب
   ══════════════════════════════════════════════════════════════ */
:root {
  color-scheme: light;
  --page: #f5f5f2;
  --surface: #ffffff;
  --surface-2: #f0efeb;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #7a7873;
  --hairline: #e4e3dd;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.08);

  --accent: #0b6e4f;          /* أخضر المتجر — للأزرار والتبويب النشط فقط */
  --accent-ink: #ffffff;
  --accent-wash: rgba(11, 110, 79, 0.10);

  --series-1: #2a78d6;        /* السلسلة الرئيسة في الرسوم */
  --series-ref: #898781;      /* المقارنة (أمس) — رمادي مقصود */
  --series-wash: rgba(42, 120, 214, 0.10);

  --good: #0ca30c;  --good-ink: #006300;
  --warn: #fab219;  --warn-ink: #8a5a00;
  --critical: #d03b3b; --critical-ink: #b42323;
  --up: #006300; --down: #b42323;

  --radius: 16px;
  --gap: 12px;
  --font: system-ui, -apple-system, "SF Arabic", "Segoe UI", Tahoma, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --surface-2: #232321;
    --ink: #f0efec;
    --ink-2: #c3c2b7;
    --muted: #8f8d87;
    --hairline: #2c2c2a;
    --axis: #383835;
    --border: rgba(255, 255, 255, 0.08);
    --accent: #2fae86;
    --accent-ink: #06231a;
    --accent-wash: rgba(47, 174, 134, 0.14);
    --series-1: #3987e5;
    --series-wash: rgba(57, 135, 229, 0.14);
    --good-ink: #0ca30c; --warn-ink: #fab219; --critical-ink: #ef6b6b;
    --up: #0ca30c; --down: #ef6b6b;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d; --surface: #1a1a19; --surface-2: #232321;
  --ink: #f0efec; --ink-2: #c3c2b7; --muted: #8f8d87;
  --hairline: #2c2c2a; --axis: #383835; --border: rgba(255, 255, 255, 0.08);
  --accent: #2fae86; --accent-ink: #06231a; --accent-wash: rgba(47, 174, 134, 0.14);
  --series-1: #3987e5; --series-wash: rgba(57, 135, 229, 0.14);
  --good-ink: #0ca30c; --warn-ink: #fab219; --critical-ink: #ef6b6b;
  --up: #0ca30c; --down: #ef6b6b;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font: 15px/1.5 var(--font);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  min-height: 100dvh;
}
button, input { font: inherit; color: inherit; }
a { color: var(--accent); }
.num { font-variant-numeric: tabular-nums; }

.boot { height: 100dvh; }

/* ── الهيكل: شريط سفلي على الجوال، جانبي على الماك ───────── */
.shell { display: flex; min-height: 100dvh; }
.nav {
  position: fixed; inset-inline: 0; bottom: 0; z-index: 10;
  display: flex; justify-content: space-around;
  padding: 6px 8px calc(6px + env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: saturate(1.6) blur(18px);
  -webkit-backdrop-filter: saturate(1.6) blur(18px);
  border-top: 1px solid var(--border);
}
.nav a {
  flex: 1; display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 4px 0; border-radius: 10px;
  color: var(--muted); text-decoration: none; font-size: 11px; font-weight: 600;
  position: relative;
}
.nav a svg { width: 24px; height: 24px; }
.nav a[aria-current="page"] { color: var(--accent); }
.nav .dot {
  position: absolute; top: 2px; inset-inline-start: calc(50% + 8px);
  min-width: 8px; height: 8px; border-radius: 4px; background: var(--critical);
  box-shadow: 0 0 0 2px var(--surface);
}
.nav .brand { display: none; }

main {
  flex: 1; min-width: 0;
  padding: calc(env(safe-area-inset-top) + 12px) 16px calc(84px + env(safe-area-inset-bottom));
  max-width: 1040px; margin-inline: auto; width: 100%;
}

@media (min-width: 900px) {
  .nav {
    position: sticky; top: 0; bottom: auto; height: 100dvh;
    flex-direction: column; justify-content: flex-start; gap: 4px;
    width: 220px; padding: 20px 12px; border-top: 0;
    border-inline-end: 1px solid var(--border);
    background: var(--surface);
  }
  .nav .brand { display: block; font-weight: 700; font-size: 17px; padding: 4px 12px 16px; }
  .nav a { flex: 0; flex-direction: row; gap: 10px; padding: 10px 12px; font-size: 14px; }
  .nav a[aria-current="page"] { background: var(--accent-wash); }
  .nav .dot { position: static; margin-inline-start: auto; }
  .nav .spacer { flex: 1; }
  main { padding: 28px 32px 40px; }
}

.topbar { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; }
.topbar h1 { font-size: 26px; line-height: 1.2; margin: 0; flex: 1; letter-spacing: -0.01em; }
.topbar .stamp { color: var(--muted); font-size: 12px; }
.icon-btn {
  width: 36px; height: 36px; border-radius: 50%; border: 0; display: grid; place-items: center;
  background: var(--surface); box-shadow: 0 0 0 1px var(--border); cursor: pointer;
}
.icon-btn svg { width: 20px; height: 20px; }
@media (min-width: 900px) { .topbar .settings-btn { display: none; } }

/* ── البطاقات ────────────────────────────────────────────── */
.grid { display: grid; gap: var(--gap); grid-template-columns: repeat(12, 1fr); }
.card {
  grid-column: span 12; background: var(--surface); border-radius: var(--radius);
  box-shadow: 0 0 0 1px var(--border); padding: 16px; min-width: 0;
}
@media (min-width: 900px) {
  .span-6 { grid-column: span 6; }
  .span-4 { grid-column: span 4; }
  .span-8 { grid-column: span 8; }
}
.card h2 { font-size: 15px; margin: 0 0 12px; display: flex; align-items: center; gap: 8px; }
.card h2 .aside { margin-inline-start: auto; color: var(--muted); font-weight: 400; font-size: 12px; }
.sub { color: var(--muted); font-size: 13px; }

/* ── الأرقام ─────────────────────────────────────────────── */
.hero-label { color: var(--ink-2); font-size: 14px; }
.hero { font-size: 48px; font-weight: 700; line-height: 1.1; letter-spacing: -0.02em; margin: 2px 0 6px; }
.hero small { font-size: 18px; font-weight: 600; color: var(--ink-2); margin-inline-start: 4px; }
.delta { font-size: 13px; font-weight: 600; }
.delta.up { color: var(--up); }
.delta.down { color: var(--down); }
.delta.flat { color: var(--muted); }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: var(--gap); }
.tiles.two { grid-template-columns: repeat(2, 1fr); }
.tile { background: var(--surface); border-radius: 14px; box-shadow: 0 0 0 1px var(--border); padding: 12px 14px; }
.card .tile { background: var(--surface-2); box-shadow: none; }
.tile .label { color: var(--ink-2); font-size: 12.5px; }
.tile .value { font-size: 22px; font-weight: 700; margin-top: 2px; white-space: nowrap; }
.tile .note { color: var(--muted); font-size: 12px; }

.kv { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 10px; }
.kv div { font-size: 13px; color: var(--ink-2); }
.kv b { display: block; font-size: 17px; color: var(--ink); }

/* ── التنبيهات والحالة ───────────────────────────────────── */
.alerts { display: grid; gap: 8px; margin-bottom: var(--gap); }
.alert {
  display: flex; gap: 10px; align-items: flex-start; text-decoration: none; color: inherit;
  background: var(--surface); border-radius: 14px; padding: 12px 14px;
  box-shadow: 0 0 0 1px var(--border); border-inline-start: 4px solid var(--critical);
}
.alert.warn { border-inline-start-color: var(--warn); }
.alert.resolved { border-inline-start-color: var(--good); opacity: .7; }
.alert .t { font-weight: 700; }
.alert .b { color: var(--ink-2); font-size: 13px; }
.alert .when { color: var(--muted); font-size: 12px; white-space: nowrap; margin-inline-start: auto; }
.status-icon { width: 20px; height: 20px; flex: none; margin-top: 1px; }

.health { display: grid; gap: 2px; }
.health-row { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--hairline); }
.health-row:last-child { border-bottom: 0; }
.health-row .name { flex: 1; font-weight: 600; }
.pill { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 600; }
.pill::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.pill.ok { color: var(--good-ink); }
.pill.bad { color: var(--critical-ink); }
.pill.warn { color: var(--warn-ink); }

/* ── القوائم والجداول ────────────────────────────────────── */
.list { display: grid; }
.row { display: flex; gap: 10px; align-items: baseline; padding: 10px 0; border-bottom: 1px solid var(--hairline); }
.row:last-child { border-bottom: 0; }
.row .main { flex: 1; min-width: 0; }
.row .title { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row .meta { color: var(--muted); font-size: 12.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row .end { text-align: end; white-space: nowrap; }
.chip { font-size: 11.5px; padding: 1px 8px; border-radius: 999px; background: var(--surface-2); color: var(--ink-2); font-weight: 600; }
.chip.bad { background: color-mix(in srgb, var(--critical) 14%, transparent); color: var(--critical-ink); }
.chip.ok { background: color-mix(in srgb, var(--good) 14%, transparent); color: var(--good-ink); }
.quote { color: var(--ink-2); font-size: 13.5px; margin-top: 2px; white-space: normal; }

table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th { text-align: start; color: var(--muted); font-weight: 600; font-size: 12px; padding: 6px 4px; border-bottom: 1px solid var(--hairline); }
td { padding: 8px 4px; border-bottom: 1px solid var(--hairline); vertical-align: top; }
td.n, th.n { text-align: end; font-variant-numeric: tabular-nums; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
.table-wrap { overflow-x: auto; margin-inline: -4px; }

/* أشرطة أفقية: تنمو من اليمين، طرف البيانات مدوّر */
.hbars { display: grid; gap: 8px; }
.hbar { display: grid; grid-template-columns: minmax(90px, 32%) 1fr auto; gap: 10px; align-items: center; font-size: 13px; }
.hbar .track { display: block; height: 12px; }
.hbar .fill {
  height: 100%; background: var(--series-1); min-width: 2px;
  border-start-end-radius: 4px; border-end-end-radius: 4px;
}
.hbar .lbl { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--ink-2); }
.hbar .val { font-variant-numeric: tabular-nums; font-weight: 600; }

/* ── الرسوم ──────────────────────────────────────────────── */
.chart { position: relative; margin-top: 8px; touch-action: pan-y; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; direction: ltr; } /* المراسي فيزيائية داخل الرسم */
.chart .grid-line { stroke: var(--hairline); stroke-width: 1; }
.chart .base-line { stroke: var(--axis); stroke-width: 1; }
.chart .tick { fill: var(--muted); font-size: 11px; font-family: var(--font); }
.chart .end-label { fill: var(--ink); font-size: 12px; font-weight: 700; font-family: var(--font); }
.chart .end-label.ref { fill: var(--ink-2); font-weight: 600; }
.chart .cross { stroke: var(--axis); stroke-width: 1; }
.legend { display: flex; gap: 14px; font-size: 12.5px; color: var(--ink-2); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 14px; height: 3px; border-radius: 2px; display: inline-block; }
.tooltip {
  position: absolute; top: 0; pointer-events: none; z-index: 2;
  background: var(--surface); color: var(--ink); border-radius: 10px; padding: 6px 10px;
  box-shadow: 0 0 0 1px var(--border), 0 6px 20px rgba(0,0,0,.12);
  font-size: 12.5px; white-space: nowrap; transform: translateX(-50%);
}
.tooltip b { font-variant-numeric: tabular-nums; }
.tooltip[hidden] { display: none; }
details.as-table { margin-top: 10px; }
details.as-table summary { color: var(--muted); font-size: 12.5px; cursor: pointer; }

/* ── الأزرار والنماذج ───────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 0; border-radius: 12px; padding: 12px 18px; font-weight: 700; cursor: pointer;
  background: var(--accent); color: var(--accent-ink); text-decoration: none;
}
.btn.secondary { background: var(--surface-2); color: var(--ink); }
.btn.danger { background: transparent; color: var(--critical-ink); box-shadow: inset 0 0 0 1px var(--border); }
.btn.small { padding: 7px 12px; font-size: 13px; border-radius: 10px; }
.btn[disabled] { opacity: .5; cursor: default; }
.btn.block { width: 100%; }
.btn svg { width: 20px; height: 20px; }
input.field {
  width: 100%; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--hairline);
  background: var(--surface); direction: ltr; text-align: center; letter-spacing: .05em;
}
input.field:focus, .btn:focus-visible, .nav a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.stack { display: grid; gap: 10px; }
.hint { background: var(--accent-wash); border-radius: 12px; padding: 12px 14px; font-size: 13.5px; }
.hint ol { margin: 6px 0 0; padding-inline-start: 20px; }
.err { color: var(--critical-ink); font-size: 13px; min-height: 1.2em; }
.empty { color: var(--muted); font-size: 13.5px; padding: 8px 0; }

/* ── شاشة الدخول ─────────────────────────────────────────── */
.login {
  min-height: 100dvh; display: grid; place-items: center;
  padding: calc(env(safe-area-inset-top) + 24px) 16px calc(env(safe-area-inset-bottom) + 24px);
}
.login .box { width: min(380px, 100%); text-align: center; display: grid; gap: 16px; }
.login img { width: 84px; height: 84px; border-radius: 20px; margin: 0 auto; box-shadow: 0 6px 24px rgba(0,0,0,.12); }
.login h1 { margin: 0; font-size: 26px; }
.login p { margin: 0; color: var(--ink-2); }
.linkish { background: none; border: 0; color: var(--muted); font-size: 13px; cursor: pointer; text-decoration: underline; }

@media (prefers-reduced-motion: no-preference) {
  .card, .tile, .alert { transition: box-shadow .15s; }
}