/* =====================================================================
   system.css - standalone system screens (no sidebar, no login needed)
   /system/update, "update required". Light + dark (html.dark), RTL safe.
   ===================================================================== */

@font-face {
    font-family: 'Inter';
    src: url('fonts/inter-variable.woff2') format('woff2');
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Vazirmatn';
    src: url('fonts/Vazirmatn[wght].ttf') format('truetype');
    font-weight: 100 900;
    font-display: swap;
}

:root {
    --sy-bg: #f4f7fb;
    --sy-bg-2: #ebfdf4;
    --sy-card: rgba(255, 255, 255, .86);
    --sy-card-solid: #ffffff;
    --sy-border: #e2e8f0;
    --sy-text: #0f172a;
    --sy-muted: #64748b;
    --sy-soft: #f1f5f9;
    --sy-grid: rgba(15, 23, 42, .045);
    --sy-accent: #009a55;
    --sy-accent-2: #00b464;
    --sy-accent-soft: #cefae3;
    --sy-shadow: 0 20px 50px -24px rgba(15, 23, 42, .28);

    --sy-green: #009a55;  --sy-green-bg: #cefae3;
    --sy-teal: #0d9488;   --sy-teal-bg: #ccfbf1;
    --sy-amber: #b45309;  --sy-amber-bg: #fef3c7;
    --sy-red: #dc2626;    --sy-red-bg: #fee2e2;
    --sy-slate: #475569;  --sy-slate-bg: #e2e8f0;
    --sy-purple: #7c3aed; --sy-purple-bg: #ede9fe;
    --sy-cyan: #0891b2;   --sy-cyan-bg: #cffafe;
    --sy-pink: #db2777;   --sy-pink-bg: #fce7f3;
    --sy-orange: #ea580c; --sy-orange-bg: #ffedd5;
    --sy-blue: #2563eb;   --sy-blue-bg: #dbeafe;
}

html.dark {
    color-scheme: dark;
    --sy-bg: #0b1220;
    --sy-bg-2: #071a14;
    --sy-card: rgba(15, 23, 42, .72);
    --sy-card-solid: #111a2c;
    --sy-border: rgba(51, 65, 85, .7);
    --sy-text: #f1f5f9;
    --sy-muted: #94a3b8;
    --sy-soft: rgba(30, 41, 59, .6);
    --sy-grid: rgba(255, 255, 255, .03);
    --sy-accent: #00b464;
    --sy-accent-2: #1fd486;
    --sy-accent-soft: rgba(0, 180, 100, .14);
    --sy-shadow: 0 24px 60px -28px rgba(0, 0, 0, .7);

    --sy-green: #1fd486;  --sy-green-bg: rgba(0, 180, 100, .14);
    --sy-teal: #2dd4bf;   --sy-teal-bg: rgba(45, 212, 191, .13);
    --sy-amber: #fbbf24;  --sy-amber-bg: rgba(251, 191, 36, .13);
    --sy-red: #f87171;    --sy-red-bg: rgba(248, 113, 113, .13);
    --sy-slate: #cbd5e1;  --sy-slate-bg: rgba(148, 163, 184, .14);
    --sy-purple: #a78bfa; --sy-purple-bg: rgba(167, 139, 250, .14);
    --sy-cyan: #22d3ee;   --sy-cyan-bg: rgba(34, 211, 238, .12);
    --sy-pink: #f472b6;   --sy-pink-bg: rgba(244, 114, 182, .13);
    --sy-orange: #fb923c; --sy-orange-bg: rgba(251, 146, 60, .13);
    --sy-blue: #60a5fa;   --sy-blue-bg: rgba(96, 165, 250, .13);
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html, body { margin: 0; min-height: 100%; }

body.sy-body {
    min-height: 100vh;
    background: var(--sy-bg);
    color: var(--sy-text);
    font: 400 14px/1.55 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
[dir="rtl"] body.sy-body { font-family: 'Vazirmatn', 'Inter', system-ui, sans-serif; }

a { color: inherit; }
:focus-visible { outline: 2px solid var(--sy-accent); outline-offset: 2px; }

/* ---------- background: gradient, grid, glows, waves ---------- */
.sy-bg { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden;
    background: radial-gradient(1100px 600px at 85% -10%, var(--sy-bg-2), transparent 60%), var(--sy-bg); }
.sy-bg-grid { position: absolute; inset: 0;
    background-image: linear-gradient(var(--sy-grid) 1px, transparent 1px), linear-gradient(90deg, var(--sy-grid) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 75%); }
.sy-bg-glow { position: absolute; width: 520px; height: 520px; border-radius: 50%; filter: blur(90px); opacity: .35; }
.sy-bg-glow.is-a { inset-block-start: -180px; inset-inline-start: -140px; background: var(--sy-accent); }
.sy-bg-glow.is-b { inset-block-end: -220px; inset-inline-end: -160px; background: #009a55; opacity: .18; }
.sy-bg-wave { position: absolute; inset-inline: 0; inset-block-end: 0; width: 100%; height: 220px; color: var(--sy-accent); opacity: .08; }

/* ---------- shell ---------- */
.sy-shell { position: relative; z-index: 1; min-height: 100vh; display: flex; flex-direction: column; }

.sy-top { display: flex; align-items: center; gap: 12px; padding: 18px 28px; }
.sy-brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; letter-spacing: .14em; font-size: 15px; }
.sy-brand .ve-brand-logo { width: 148px; }   /* Ventory lockup (ve-brand.css switches light / dark) */
@media (max-width: 560px) { .sy-brand .ve-brand-logo { width: 116px; } }
.sy-brand .ve-brand-logo.logo-light { width: 159px; margin-inline-start: -5px; }   /* glow room (×1.072) */
@media (max-width: 560px) { .sy-brand .ve-brand-logo.logo-light { width: 124px; } }
.sy-top-end { margin-inline-start: auto; display: flex; align-items: center; gap: 8px; }

.sy-icon-btn { width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--sy-border); background: var(--sy-card);
    color: var(--sy-text); display: inline-grid; place-items: center; cursor: pointer; font-size: 15px; backdrop-filter: blur(8px); }
.sy-icon-btn:hover { border-color: var(--sy-accent); color: var(--sy-accent); }
.sy-icon-btn .is-sun { display: none; }
html.dark .sy-icon-btn .is-sun { display: inline; }
html.dark .sy-icon-btn .is-moon { display: none; }

.sy-main { flex: 1; width: 100%; max-width: 980px; margin: 0 auto; padding: 8px 16px 48px; }
.sy-main.is-narrow { max-width: 620px; display: flex; flex-direction: column; justify-content: center; }

/* ---------- card ---------- */
.sy-card { background: var(--sy-card); border: 1px solid var(--sy-border); border-radius: 18px; box-shadow: var(--sy-shadow);
    backdrop-filter: blur(14px); padding: 26px; }
.sy-card + .sy-card { margin-block-start: 18px; }

.sy-head { display: flex; align-items: flex-start; gap: 16px; flex-wrap: wrap; }
.sy-head-icon { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; font-size: 22px; flex: none; }
.sy-head-text { flex: 1; min-width: 220px; }
.sy-head h1 { margin: 0; font-size: 22px; font-weight: 800; letter-spacing: -.01em; }
.sy-head p { margin: 4px 0 0; color: var(--sy-muted); }

.sy-versions { display: inline-flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.sy-chip { display: inline-flex; align-items: center; gap: 6px; padding: 6px 10px; border-radius: 999px; font-size: 12px;
    background: var(--sy-soft); border: 1px solid var(--sy-border); color: var(--sy-muted); white-space: nowrap; }
.sy-chip b { color: var(--sy-text); font-weight: 700; }
.sy-chip-arrow { color: var(--sy-muted); font-size: 11px; }
[dir="rtl"] .sy-chip-arrow { transform: scaleX(-1); }

/* ---------- colour classes ---------- */
.sy-c-green  { color: var(--sy-green);  background: var(--sy-green-bg); }
.sy-c-teal   { color: var(--sy-teal);   background: var(--sy-teal-bg); }
.sy-c-amber  { color: var(--sy-amber);  background: var(--sy-amber-bg); }
.sy-c-red    { color: var(--sy-red);    background: var(--sy-red-bg); }
.sy-c-slate  { color: var(--sy-slate);  background: var(--sy-slate-bg); }
.sy-c-purple { color: var(--sy-purple); background: var(--sy-purple-bg); }
.sy-c-cyan   { color: var(--sy-cyan);   background: var(--sy-cyan-bg); }
.sy-c-pink   { color: var(--sy-pink);   background: var(--sy-pink-bg); }
.sy-c-orange { color: var(--sy-orange); background: var(--sy-orange-bg); }
.sy-c-blue   { color: var(--sy-blue);   background: var(--sy-blue-bg); }

/* ---------- status banner ---------- */
.sy-banner { display: flex; gap: 14px; align-items: flex-start; margin-block-start: 22px; padding: 16px 18px; border-radius: 14px; border: 1px solid transparent; }
.sy-banner i { font-size: 20px; margin-block-start: 2px; }
.sy-banner strong { display: block; font-size: 15px; }
.sy-banner span { color: var(--sy-text); opacity: .85; }
.sy-banner.sy-c-green { border-color: color-mix(in srgb, var(--sy-green) 30%, transparent); }
.sy-banner.sy-c-red   { border-color: color-mix(in srgb, var(--sy-red) 30%, transparent); }
.sy-banner.sy-c-amber { border-color: color-mix(in srgb, var(--sy-amber) 30%, transparent); }
.sy-banner.sy-c-teal  { border-color: color-mix(in srgb, var(--sy-teal) 30%, transparent); }

/* ---------- stats ---------- */
.sy-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-block-start: 18px; }
.sy-stat { display: flex; align-items: center; gap: 12px; padding: 14px; border-radius: 14px; border: 1px solid var(--sy-border); background: var(--sy-card-solid); }
.sy-stat-icon { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; flex: none; }
.sy-stat b { display: block; font-size: 20px; font-weight: 800; line-height: 1.1; }
.sy-stat small { color: var(--sy-muted); font-size: 12px; }

/* ---------- versions / actions ---------- */
.sy-section-title { margin: 26px 0 10px; font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--sy-muted); }
.sy-card > .sy-section-title:first-child { margin-block-start: 0; }

.sy-version { border: 1px solid var(--sy-border); border-radius: 14px; background: var(--sy-card-solid); overflow: hidden; }
.sy-version + .sy-version { margin-block-start: 10px; }
.sy-version > summary { display: flex; align-items: center; gap: 10px; padding: 12px 16px; cursor: pointer; list-style: none; font-weight: 600; }
.sy-version > summary::-webkit-details-marker { display: none; }
.sy-version > summary .sy-caret { margin-inline-start: auto; color: var(--sy-muted); transition: transform .2s; }
.sy-version[open] > summary .sy-caret { transform: rotate(180deg); }
.sy-version-tag { font-weight: 800; }
.sy-version-title { color: var(--sy-muted); font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }

.sy-pill { display: inline-flex; align-items: center; gap: 5px; padding: 2px 9px; border-radius: 999px; font-size: 11.5px; font-weight: 700; white-space: nowrap; }

.sy-actions { list-style: none; margin: 0; padding: 0; border-block-start: 1px solid var(--sy-border); max-height: 420px; overflow: auto; }
.sy-actions li { display: grid; grid-template-columns: 22px minmax(0, 1fr) auto; gap: 10px; align-items: center; padding: 8px 16px; font-size: 13px; }
.sy-actions li + li { border-block-start: 1px dashed var(--sy-border); }
.sy-actions .sy-a-icon { font-size: 13px; text-align: center; background: none; }
.sy-actions .sy-a-text { font-family: ui-monospace, 'Cascadia Code', Consolas, monospace; font-size: 12.5px; overflow-wrap: anywhere; }
.sy-actions .sy-a-msg { color: var(--sy-muted); font-size: 12px; text-align: end; overflow-wrap: anywhere; }
.sy-actions li.is-error .sy-a-msg { color: var(--sy-red); grid-column: 2 / -1; text-align: start; }
.sy-actions li.is-skipped { opacity: .7; }

/* ---------- history table ---------- */
.sy-table-wrap { border: 1px solid var(--sy-border); border-radius: 14px; overflow: auto; background: var(--sy-card-solid); }
.sy-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.sy-table th, .sy-table td { padding: 10px 14px; text-align: start; border-block-end: 1px solid var(--sy-border); white-space: nowrap; }
.sy-table th { font-size: 11.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--sy-muted); background: var(--sy-soft); }
.sy-table tr:last-child td { border-block-end: 0; }
.sy-table td.is-wrap { white-space: normal; }
.sy-empty { padding: 18px; text-align: center; color: var(--sy-muted); }

/* ---------- buttons / footer ---------- */
.sy-foot { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-block-start: 22px; }
.sy-note { display: flex; gap: 8px; align-items: center; color: var(--sy-muted); font-size: 12.5px; margin-inline-end: auto; }
.sy-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 40px; padding: 0 18px; border-radius: 10px;
    font: 600 14px/1 inherit; font-family: inherit; text-decoration: none; cursor: pointer; border: 1px solid var(--sy-border);
    background: var(--sy-card-solid); color: var(--sy-text); }
.sy-btn:hover { border-color: var(--sy-accent); }
.sy-btn.is-primary { background: linear-gradient(135deg, var(--sy-accent), #007a47); border-color: transparent; color: #fff; box-shadow: 0 8px 22px -10px var(--sy-accent); }
.sy-btn.is-primary:hover { filter: brightness(1.07); }
[dir="rtl"] .sy-btn .fa-arrow-right { transform: scaleX(-1); }

.sy-code { font-family: ui-monospace, Consolas, monospace; font-size: 12.5px; padding: 2px 6px; border-radius: 6px; background: var(--sy-soft); border: 1px solid var(--sy-border); overflow-wrap: anywhere; }

/* ---------- centered message screen ---------- */
.sy-message { text-align: center; }
.sy-message .sy-head-icon { width: 68px; height: 68px; font-size: 28px; border-radius: 20px; margin: 0 auto 16px; }
.sy-message h1 { margin: 0 0 8px; font-size: 24px; font-weight: 800; }
.sy-message p { margin: 0 auto; max-width: 460px; color: var(--sy-muted); }
.sy-message .sy-versions { justify-content: center; margin-block-start: 18px; }
.sy-message .sy-foot { justify-content: center; }
.sy-message .sy-note { margin-inline-end: 0; justify-content: center; width: 100%; }

@media (max-width: 575px) {
    .sy-top { padding: 14px 16px; }
    .sy-card { padding: 18px; border-radius: 16px; }
    .sy-head h1 { font-size: 19px; }
    .sy-actions li { grid-template-columns: 22px minmax(0, 1fr); }
    .sy-actions .sy-a-msg { grid-column: 2; text-align: start; }
    .sy-foot .sy-btn { flex: 1 1 auto; }
}

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }

/* ---------- setup language pill (1.8.6, partials/head.php) ---------- */
.sy-lang { position: relative; }
.sy-lang > summary { list-style: none; }
.sy-lang > summary::-webkit-details-marker { display: none; }
.sy-lang-btn { display: inline-flex; align-items: center; gap: 8px; height: 38px; padding: 0 12px; border-radius: 10px; border: 1px solid var(--sy-border);
    background: var(--sy-card); color: var(--sy-text); font-size: 13px; font-weight: 600; cursor: pointer; }
.sy-lang-btn:hover, .sy-lang[open] .sy-lang-btn { border-color: var(--sy-accent); }
.sy-lang-btn > i:first-child { color: var(--sy-accent); }
.sy-lang-caret { font-size: 10px; color: var(--sy-muted); transition: transform .2s; }
.sy-lang[open] .sy-lang-caret { transform: rotate(180deg); }
.sy-lang-menu { position: absolute; inset-inline-end: 0; inset-block-start: calc(100% + 6px); z-index: 1000; min-width: 210px; padding: 6px; border-radius: 12px;
    background: var(--sy-card-solid); border: 1px solid var(--sy-border); box-shadow: var(--sy-shadow); display: grid; gap: 2px; }
.sy-lang-menu button { display: grid; grid-template-columns: minmax(0, 1fr) auto; grid-template-rows: auto auto; column-gap: 10px; align-items: center; width: 100%;
    padding: 7px 10px; border: 0; border-radius: 8px; background: transparent; color: var(--sy-text); text-align: start; cursor: pointer; font-family: inherit; }
.sy-lang-menu button:hover, .sy-lang-menu button:focus-visible { background: var(--sy-soft); }
.sy-lang-menu button[aria-current] { background: var(--sy-accent-soft); }
.sy-lang-menu b { font-size: 14px; font-weight: 700; }
.sy-lang-menu small { grid-row: 2; font-size: 11px; color: var(--sy-muted); }
.sy-lang-menu button > i { grid-row: 1 / 3; grid-column: 2; color: var(--sy-accent); }
[lang="fa"], [lang="ps"], [lang="ur"] { font-family: 'Vazirmatn', 'Inter', system-ui, sans-serif; }
@media (max-width: 575px) { .sy-lang-btn span { display: none; } .sy-lang-btn { padding: 0 10px; } }