/* Raster — reference kit (Tastefolio). Swiss grid system: 12 columns made visible on demand, label/content splits,
   black rules, oversized grotesk numerals, geometric posters, square controls. Requires tokens.css. RTL-safe. */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--canvas); color: var(--ink); font: var(--fw-regular) var(--fs-md)/var(--lh-body) var(--font-sans); -webkit-font-smoothing: antialiased; font-variant-numeric: tabular-nums; overflow-x: clip; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--brand); }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4, p { margin: 0; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
::selection { background: var(--brand); color: #fff; }
[dir="rtl"] .flip-rtl { transform: scaleX(-1); }
.sr-only { position: absolute; inline-size: 1px; block-size: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; inset-inline-start: 12px; inset-block-start: -60px; z-index: 100; background: var(--brand); color: #fff; padding: 10px 14px; }
.skip-link:focus { inset-block-start: 12px; }

/* ------------------------------------------------------------ the grid */
.container { max-inline-size: var(--container); margin-inline: auto; padding-inline: var(--gutter); position: relative; }
.grid { display: grid; grid-template-columns: repeat(var(--cols), minmax(0, 1fr)); column-gap: var(--col-gap); row-gap: var(--space-6); }
.grid > * { min-inline-size: 0; }
.c-1 { grid-column: span 1; } .c-2 { grid-column: span 2; } .c-3 { grid-column: span 3; } .c-4 { grid-column: span 4; } .c-5 { grid-column: span 5; } .c-6 { grid-column: span 6; } .c-7 { grid-column: span 7; } .c-8 { grid-column: span 8; } .c-9 { grid-column: span 9; } .c-12 { grid-column: 1 / -1; }
.start-4 { grid-column-start: 4; } .start-5 { grid-column-start: 5; } .start-7 { grid-column-start: 7; }
.grid.g4 { --cols: 4; } .grid.g9 { --cols: 9; }
@media (max-width: 1000px) { .grid { --cols: 6; } .grid.g4 { --cols: 2; } .grid.g9 { --cols: 6; } .c-3, .c-4, .c-5 { grid-column: span 3; } .c-6, .c-7, .c-8, .c-9 { grid-column: 1 / -1; } .start-4, .start-5, .start-7 { grid-column-start: auto; } }
@media (max-width: 640px) { .grid, .grid.g9 { --cols: 1; } .grid.g4 { --cols: 2; } [class*="c-"] { grid-column: 1 / -1 !important; } }
/* visible grid overlay (toggle with [data-grid-toggle] or the G key) */
.grid-overlay { position: fixed; inset: 0; z-index: 90; pointer-events: none; display: none; }
.grid-overlay .container { block-size: 100%; display: grid; grid-template-columns: repeat(var(--cols), minmax(0, 1fr)); column-gap: var(--col-gap); }
.grid-overlay i { background: color-mix(in oklab, var(--brand) 10%, transparent); border-inline: 1px solid color-mix(in oklab, var(--brand) 35%, transparent); }
html[data-grid] .grid-overlay { display: block; }
@media (max-width: 1000px) { .grid-overlay .container { --cols: 6; } .grid-overlay i:nth-child(n+7) { display: none; } }
@media (max-width: 640px) { .grid-overlay .container { --cols: 1; } .grid-overlay i:nth-child(n+2) { display: none; } }

/* ------------------------------------------------------------ type */
.display { font: var(--fw-display) var(--fs-display)/var(--lh-tight) var(--font-display); letter-spacing: var(--tracking-display); }
.h1 { font: 700 clamp(40px, 6vw, 96px)/.95 var(--font-display); letter-spacing: -.04em; }
.h2 { font: 700 clamp(28px, 3.4vw, 48px)/1 var(--font-display); letter-spacing: -.03em; }
.h3 { font: 700 var(--fs-lg)/1.15 var(--font-display); letter-spacing: -.01em; }
:lang(fa) .h1, :lang(fa) .h2, :lang(fa) .h3 { letter-spacing: 0; line-height: 1.35; }
.label { font: 700 var(--fs-sm)/1.3 var(--font-sans); }
.meta { font-size: var(--fs-sm); color: var(--ink-2); }
.red { color: var(--brand); }
.lead { font-size: clamp(19px, 1.8vw, 26px); line-height: 1.3; letter-spacing: -.01em; max-inline-size: 36ch; }
:lang(fa) .lead { line-height: 1.8; letter-spacing: 0; }
.numeral { font: 700 clamp(64px, 9vw, 140px)/.85 var(--font-display); letter-spacing: -.06em; font-variant-numeric: tabular-nums; }
:lang(fa) .numeral { letter-spacing: 0; line-height: 1.1; }
.muted { color: var(--ink-2); }
.subtle { color: var(--ink-3); }

/* rules & rows */
.rule { border: 0; border-block-start: 2px solid var(--line); margin: 0; }
.rule-heavy { border: 0; border-block-start: 6px solid var(--line); margin: 0; }
.split { display: grid; grid-template-columns: repeat(var(--cols), minmax(0, 1fr)); column-gap: var(--col-gap); padding-block: var(--space-5) var(--space-8); border-block-start: 2px solid var(--line); }
.split > :first-child { grid-column: span 3; }
.split > :last-child { grid-column: span 9; min-inline-size: 0; }
@media (max-width: 1000px) { .split { --cols: 6; } .split > :first-child { grid-column: 1 / -1; margin-block-end: var(--space-5); } .split > :last-child { grid-column: 1 / -1; } }
.list { list-style: none; margin: 0; padding: 0; }
.list li { display: grid; grid-template-columns: 120px minmax(0, 1fr) auto; gap: var(--space-5); align-items: baseline; padding-block: var(--space-4); border-block-end: 1px solid var(--line-2); }
.list li:first-child { border-block-start: 2px solid var(--line); }
@media (max-width: 640px) { .list li { grid-template-columns: 1fr; gap: 4px; } }

/* ------------------------------------------------------------ header */
.site-header { border-block-end: 2px solid var(--line); background: var(--canvas); position: sticky; inset-block-start: 0; z-index: 40; }
.site-header .container { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--col-gap); align-items: center; min-block-size: 64px; }
.wordmark { grid-column: span 3; font: 700 22px/1 var(--font-display); letter-spacing: -.03em; display: inline-flex; align-items: center; gap: 10px; }
:lang(fa) .wordmark { letter-spacing: 0; }
.wordmark .sq { inline-size: 22px; block-size: 22px; background: var(--brand); }
.nav { grid-column: span 6; display: flex; gap: var(--space-5); font-weight: 500; }
.nav a[aria-current] { color: var(--brand); }
.header-tools { grid-column: span 3; display: flex; justify-content: flex-end; gap: var(--space-4); align-items: center; font-size: var(--fs-sm); font-weight: 700; }
.header-tools button { background: none; border: 0; padding: 0; cursor: pointer; font-weight: 700; }
.header-tools button:hover { color: var(--brand); }
.menu-btn { display: none !important; }
@media (max-width: 1000px) {
  .site-header .container { grid-template-columns: 1fr auto; }
  .wordmark { grid-column: auto; }
  .header-tools { grid-column: auto; }
  .menu-btn { display: inline-flex !important; }
  .nav { display: none; grid-column: 1 / -1; flex-direction: column; gap: 0; padding-block: var(--space-4); border-block-start: 2px solid var(--line); }
  .nav[data-open] { display: flex; }
  .nav a { padding-block: 10px; font-size: 24px; font-weight: 700; }
  .hide-md { display: none !important; }
}

/* ------------------------------------------------------------ posters (geometric compositions) */
.poster { position: relative; aspect-ratio: 3 / 4; background: var(--bg, var(--surface-2)); overflow: hidden; }
.poster > * { position: absolute; }
.poster .disc { border-radius: 50%; background: var(--fg, var(--brand)); }
.poster .bar { background: var(--fg2, var(--ink)); }
.poster .poster-text { inset-inline: 8%; inset-block-end: 6%; color: var(--pt, var(--ink)); display: grid; gap: 4px; }
.poster .poster-text b { font: 700 clamp(22px, 2.6vw, 40px)/.95 var(--font-display); letter-spacing: -.03em; }
:lang(fa) .poster .poster-text b { letter-spacing: 0; line-height: 1.3; }
.poster .poster-text span { font: 700 12px var(--font-sans); }

/* ------------------------------------------------------------ controls */
.btn { display: inline-flex; align-items: center; justify-content: space-between; gap: var(--space-5); min-block-size: var(--control-h); padding-inline: 16px; border: 2px solid var(--ink); background: var(--canvas); color: var(--ink); font: 700 var(--fs-sm) var(--font-sans); cursor: pointer; white-space: nowrap; transition: background var(--dur-1), color var(--dur-1), border-color var(--dur-1); }
.btn:hover { background: var(--ink); color: var(--ink-inverse); }
.btn-primary { background: var(--brand); border-color: var(--brand); color: var(--brand-ink); }
.btn-primary:hover { background: var(--ink); border-color: var(--ink); color: var(--ink-inverse); }
.btn-ink { background: var(--ink); color: var(--ink-inverse); }
.btn-ink:hover { background: var(--brand); border-color: var(--brand); }
.btn-lg { min-block-size: var(--control-h-lg); padding-inline: 20px; font-size: var(--fs-md); min-inline-size: 220px; }
.btn-text { border: 0; padding: 0; min-block-size: auto; background: none; }
.btn-text:hover { background: none; color: var(--brand); }
.arrow { font-weight: 400; }
[dir="rtl"] .arrow { display: inline-block; transform: scaleX(-1); }
.tabs { display: flex; gap: var(--space-5); flex-wrap: wrap; border-block-end: 2px solid var(--line); }
.tabs [role="tab"], .tabs button { border: 0; background: none; padding: 10px 0; font: 700 var(--fs-md) var(--font-sans); color: var(--ink-3); cursor: pointer; margin-block-end: -2px; border-block-end: 4px solid transparent; }
.tabs [aria-selected="true"], .tabs [aria-pressed="true"] { color: var(--ink); border-color: var(--brand); }
.field { display: grid; gap: 6px; }
.flabel { font: 700 var(--fs-sm) var(--font-sans); }
.input, .select, .textarea { inline-size: 100%; min-block-size: var(--control-h-lg); padding: 10px 12px; border: 2px solid var(--ink); background: var(--canvas); font: 500 var(--fs-md) var(--font-sans); border-radius: 0; }
.input:focus, .select:focus, .textarea:focus { outline: none; border-color: var(--brand); }
.select { appearance: none; background: var(--canvas) linear-gradient(135deg, transparent 50%, var(--ink) 50%) no-repeat right 14px center / 10px 10px; }
[dir="rtl"] .select { background-position: left 14px center; }
.textarea { min-block-size: 120px; resize: vertical; }
[aria-invalid="true"] { border-color: var(--brand) !important; background: var(--brand-soft) !important; }
.field-error { font: 700 12px var(--font-sans); color: var(--brand); }
.qty { display: inline-grid; grid-template-columns: 40px 64px 40px; border: 2px solid var(--ink); }
.qty button { border: 0; background: var(--canvas); font: 700 18px var(--font-sans); cursor: pointer; }
.qty button:hover { background: var(--ink); color: var(--ink-inverse); }
.qty input { border: 0; border-inline: 2px solid var(--ink); text-align: center; font: 700 18px var(--font-sans); -moz-appearance: textfield; min-inline-size: 0; }
.qty input::-webkit-inner-spin-button { -webkit-appearance: none; }
.check { display: flex; gap: 10px; align-items: center; font-weight: 500; cursor: pointer; }
.check input { appearance: none; inline-size: 20px; block-size: 20px; border: 2px solid var(--ink); margin: 0; flex: none; }
.check input:checked { background: var(--brand); border-color: var(--brand); box-shadow: inset 0 0 0 3px var(--canvas); }
.switch { position: relative; inline-size: 44px; block-size: 24px; border: 2px solid var(--ink); background: var(--canvas); padding: 0; cursor: pointer; flex: none; }
.switch::after { content: ""; position: absolute; inset-block: 2px; inset-inline-start: 2px; inline-size: 16px; background: var(--ink); transition: transform var(--dur-2) var(--ease); }
.switch[aria-checked="true"] { background: var(--brand); border-color: var(--brand); }
.switch[aria-checked="true"]::after { transform: translateX(20px); background: #fff; }
[dir="rtl"] .switch[aria-checked="true"]::after { transform: translateX(-20px); }

/* tables */
.table-scroll { position: relative; overflow-x: auto; }
.table { inline-size: 100%; border-collapse: collapse; font-size: var(--fs-md); }
.table th { text-align: start; font: 700 var(--fs-sm) var(--font-sans); padding: 10px 12px 10px 0; border-block-end: 2px solid var(--line); white-space: nowrap; }
[dir="rtl"] .table th { padding: 10px 0 10px 12px; }
.table td { padding: 14px 12px 14px 0; border-block-end: 1px solid var(--line-2); vertical-align: top; }
[dir="rtl"] .table td { padding: 14px 0 14px 12px; }
.table th button { all: unset; cursor: pointer; }
.table th[aria-sort="ascending"] button::after { content: " ↑"; color: var(--brand); }
.table th[aria-sort="descending"] button::after { content: " ↓"; color: var(--brand); }
.flag { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: var(--fs-sm); white-space: nowrap; }
.flag::before { content: ""; inline-size: 10px; block-size: 10px; background: var(--ink-3); }
.flag.on::before { background: var(--success); }
.flag.soon::before { background: var(--brand); }
.flag.done::before { background: var(--ink); }

/* ------------------------------------------------------------ dashboard */
.app-head { border-block-end: 6px solid var(--line); }
.app-head .container { display: flex; flex-wrap: wrap; align-items: flex-end; gap: var(--space-5) var(--space-7); padding-block: var(--space-5) var(--space-4); }
.app-head .spacer { flex: 1; }
.kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); column-gap: var(--col-gap); }
.kpis > div { border-block-start: 2px solid var(--line); padding-block: var(--space-3) var(--space-6); display: grid; gap: 6px; }
.kpis .numeral { font-size: clamp(48px, 6vw, 96px); }
@media (max-width: 1000px) { .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.slots { display: grid; grid-template-columns: 80px repeat(var(--n, 8), minmax(0, 1fr)); gap: 4px; align-items: center; font-size: var(--fs-sm); font-weight: 700; }
.slot { block-size: 34px; background: var(--surface-2); position: relative; }
.slot::after { content: ""; position: absolute; inset-inline: 0; inset-block-end: 0; block-size: var(--f, 0%); background: var(--ink); }
.slot.full::after { background: var(--brand); }
.slots .h { text-align: center; color: var(--ink-3); font-weight: 500; }
@media (max-width: 640px) { .slots { grid-template-columns: 56px repeat(var(--n, 8), minmax(0, 1fr)); gap: 2px; font-size: 11px; } }
.meter { display: grid; grid-template-columns: minmax(0, 1fr) 56px; gap: var(--space-3); align-items: center; }
.meter span { block-size: 14px; background: var(--surface-2); position: relative; }
.meter span i { position: absolute; inset-block: 0; inset-inline-start: 0; inline-size: var(--w); background: var(--ink); }
.meter span i.hot { background: var(--brand); }
.meter b { text-align: end; font-weight: 700; }

/* overlays & charts */
dialog.modal { border: 2px solid var(--ink); padding: 0; inline-size: min(560px, calc(100vw - 24px)); background: var(--canvas); color: var(--ink); }
dialog.modal::backdrop { background: var(--overlay); }
.modal-body { padding: var(--space-6); display: grid; gap: var(--space-5); }
.toast { background: var(--ink); color: var(--ink-inverse); padding: 14px 18px; font-weight: 700; font-size: var(--fs-sm); border-inline-start: 8px solid var(--brand); animation: toast-in var(--dur-3) var(--ease); }
.toast.is-out { opacity: 0; transition: opacity var(--dur-2); }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } }
.tf-chart .c-grid { stroke: var(--chart-grid); }
.tf-chart .c-axis { fill: var(--chart-axis); font: 700 11px var(--font-sans); }
.tf-chart .c-dot { fill: var(--canvas); stroke-width: 2; }
.tf-chart .c-guide { stroke: var(--brand); stroke-width: 1; }
.tf-chart .c-track { stroke: var(--surface-2); }
.tf-chart .c-center { position: absolute; inset: 0; display: grid; place-items: center; font: 700 28px var(--font-display); letter-spacing: -.03em; }
.chart-tip { background: var(--ink); color: var(--ink-inverse); padding: 8px 10px; font: 700 12px var(--font-sans); display: grid; gap: 3px; }
.chart-tip span { display: flex; gap: 6px; align-items: center; }
.chart-tip i { inline-size: 10px; block-size: 10px; }

/* footer */
.site-footer { border-block-start: 6px solid var(--line); padding-block: var(--space-6) var(--space-8); font-size: var(--fs-sm); }
.site-footer .grid { row-gap: var(--space-5); }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }