/* ==========================================================================
   App UI components (dashboard, players, forms, tables). Builds on the tokens in
   app.css ("Firouzeh & Ink"). RTL-first logical properties; transform/opacity
   motion only; every interactive target >= 44px.
   ========================================================================== */

/* icons follow the text they sit in (~1.2em, 14-22px); components that need a fixed size set it */
.ic { inline-size: clamp(14px, 1.2em, 22px); block-size: clamp(14px, 1.2em, 22px); flex: none; }
.ic.sm, .tag .ic, small .ic { stroke-width: 2; }
.hide-sm { display: none !important; }
@media (min-width: 760px) { .hide-sm { display: inline-flex !important; } .show-sm { display: none !important; } }
.muted { color: var(--ink-2); }
.small { font-size: var(--fs-sm); }
.center { text-align: center; }
.stack { display: grid; gap: 12px; align-content: start; }
.stack-lg { display: grid; gap: 24px; align-content: start; }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.row.between { justify-content: space-between; }
.grow { flex: 1 1 auto; }
.num { font-variant-numeric: tabular-nums; }
[hidden] { display: none !important; }

/* nav additions: menus (desktop popover, phone bottom sheet), grouped lists -------------------------------- */
.nav-links a.is-active { color: var(--ink); }
.menu { position: relative; }
.menu > summary { list-style: none; cursor: pointer; }
.menu > summary::-webkit-details-marker { display: none; }
.navmenu { display: inline-block; }
@media (min-width: 900px) { .navmenu { display: none; } .usermenu .menu-nav { display: none; } }
.menu[open] > summary.icon-btn { background: var(--tint); color: var(--indigo); }
/* desktop: an anchored popover that scales out of its trigger (top-left in RTL) */
.menu-pop { position: absolute; inset-inline-end: 0; inset-block-start: calc(100% + 8px); z-index: 60; inline-size: 264px; display: grid; gap: 8px;
  padding: 8px; border-radius: var(--r-md); background: var(--mat-card); -webkit-backdrop-filter: var(--mat-blur); backdrop-filter: var(--mat-blur);
  box-shadow: var(--e2); font-size: var(--fs-sm); transform-origin: top left; }
html[data-motion="2"] .menu[open] .menu-pop, html[data-motion="3"] .menu[open] .menu-pop, html[data-motion="1"] .menu[open] .menu-pop { animation: menu-in var(--dur-2) var(--spring); }
@keyframes menu-in { from { opacity: 0; transform: scale(0.94); } }
.sheet-grabber { display: none; }
.usermenu-name { display: flex; gap: 10px; align-items: center; padding: 6px 8px 4px; font-weight: 650; line-height: 1.45; }
.usermenu-name > span:last-child { display: grid; }
.usermenu-name small { font-weight: 500; color: var(--ink-2); font-size: var(--fs-xs); justify-self: start; }
.um-avatar { inline-size: 36px; block-size: 36px; border-radius: 50%; display: grid; place-items: center; flex: none;
  background: linear-gradient(135deg, var(--brand-a), var(--brand-b)); color: #fff; }
.um-avatar .ic { inline-size: 18px; block-size: 18px; }

/* grouped list (iOS inset-grouped): rows with an icon, inset separators, no outer border */
.glist { display: grid; margin: 0; padding: 0; list-style: none; border-radius: var(--r-md); background: var(--card); overflow: hidden; }
.menu-pop .glist { background: color-mix(in srgb, var(--card) 70%, transparent); }
.glist > a, .glist > button, .glist > li > a, .glist > li > button { position: relative; display: flex; gap: 12px; align-items: center; inline-size: 100%;
  min-block-size: 44px; padding: 8px 12px; border: 0; background: none; text-align: start; text-decoration: none; color: var(--ink);
  font: inherit; font-weight: 500; transition: background-color var(--dur-1) var(--ease-std); }
.glist > :not(:first-child)::before, .glist > li:not(:first-child) > :is(a, button)::before { content: ""; position: absolute; inset-block-start: 0; inset-inline: 44px 0;
  block-size: 0.5px; background: var(--sep); }
.glist > li { position: relative; }
.glist .ic { inline-size: 20px; block-size: 20px; color: var(--indigo); flex: none; }
.glist > :is(a, button):active, .glist > li > :is(a, button):active { background: color-mix(in srgb, var(--ink) 8%, transparent); }
@media (hover: hover) { .glist > :is(a, button):hover, .glist > li > :is(a, button):hover { background: color-mix(in srgb, var(--ink) 5%, transparent); } }
.glist .danger, .glist .danger .ic { color: var(--bad); }
.glist-toggle { justify-content: flex-start; }
.glist-toggle > span { flex: 1; }
/* switch (iOS): green-free, accent track */
.switch { position: relative; inline-size: 44px; block-size: 26px; border-radius: 999px; background: color-mix(in srgb, var(--ink) 16%, transparent); flex: none;
  transition: background-color var(--dur-2) var(--ease-std); }
.switch::after { content: ""; position: absolute; inset-block-start: 2px; inset-inline-start: 2px; inline-size: 22px; block-size: 22px; border-radius: 50%; background: #fff;
  box-shadow: 0 1px 3px rgb(0 0 0 / 0.25); transition: transform var(--dur-3) var(--spring); }
[aria-checked="true"] > .switch { background: var(--indigo); }
[aria-checked="true"] > .switch::after { transform: translateX(-18px); }
[dir="ltr"] [aria-checked="true"] > .switch::after { transform: translateX(18px); }

/* phones: the menu is a bottom sheet over a dimming scrim (the scrim is the <details> itself, so a tap closes it) */
@media (max-width: 899px) {
  .menu[open]::before { content: ""; position: fixed; inset: 0; z-index: 70; background: var(--scrim); }
  html[data-motion]:not([data-motion="0"]) .menu[open]::before { animation: scrim-in var(--dur-3) var(--ease-std); }
  .menu-pop { position: fixed; z-index: 71; inset-inline: 8px; inset-block: auto calc(8px + var(--safe-b)); inline-size: auto;
    max-block-size: calc(100dvh - var(--safe-t) - 56px); overflow-y: auto; overscroll-behavior: contain; padding: 6px 12px 12px; gap: 12px;
    border-radius: var(--r-xl); background: var(--paper); -webkit-backdrop-filter: none; backdrop-filter: none; box-shadow: var(--e3);
    font-size: var(--fs-base); transform-origin: bottom center; }
  .menu-pop .glist { background: var(--card); }
  .glist > a, .glist > button { min-block-size: 50px; padding-inline: 14px; }
  .glist > :not(:first-child)::before { inset-inline-start: 48px; }
  .sheet-grabber { display: block; justify-self: center; inline-size: 36px; block-size: 5px; border-radius: 3px; background: color-mix(in srgb, var(--ink) 22%, transparent); margin-block: 2px 0; }
  html[data-motion="2"] .menu[open] .menu-pop, html[data-motion="3"] .menu[open] .menu-pop, html[data-motion="1"] .menu[open] .menu-pop { animation: sheet-rise var(--dur-3) var(--spring); }
  body:has(.menu[open]) { overflow: hidden; }
}
@keyframes sheet-rise { from { transform: translateY(105%); } }
@keyframes scrim-in { from { opacity: 0; } }
.hide-xs { display: none !important; }
@media (min-width: 600px) { .hide-xs { display: inline-grid !important; } }

/* toasts ------------------------------------------------------------------- */
.toasts { display: grid; gap: 8px; margin-block: 12px; }
.toast { padding: 12px 16px; border-radius: var(--r-md); font-size: var(--fs-sm); background: var(--card); }

/* bottom tab bar (signed-in, phones; iOS-grade): translucent material, safe area, icon over a 12px label ------- */
.tabbar { position: fixed; inset-inline: 0; inset-block-end: 0; z-index: 55; display: grid; grid-template-columns: repeat(5, 1fr);
  padding-inline: max(4px, var(--safe-l)) max(4px, var(--safe-r)); padding-block-end: var(--safe-b);
  background: var(--mat); -webkit-backdrop-filter: var(--mat-blur); backdrop-filter: var(--mat-blur); box-shadow: 0 -0.5px 0 var(--sep); }
.tabbar a { position: relative; display: grid; justify-items: center; align-content: center; gap: 2px; min-block-size: var(--tabbar-h); padding-block: 6px 4px;
  text-decoration: none; color: var(--ink-2); font-size: var(--fs-2xs); font-weight: 600; line-height: 1.3; -webkit-tap-highlight-color: transparent;
  transition: color var(--dur-2) var(--ease-std); }
.tabbar a .ic { inline-size: 25px; block-size: 25px; stroke-width: 1.7; transition: transform var(--dur-2) var(--spring); }
.tabbar a:active .ic { transform: scale(0.88); transition-duration: var(--dur-1); }
.tabbar a.is-active, .tabbar a[aria-current="page"] { color: var(--indigo); }
.tabbar a[aria-current="page"] .ic { stroke-width: 2.2; }
.tabbar a:focus-visible { outline-offset: -4px; border-radius: var(--r-md); }
body.has-tabbar:has(> .tabbar) { padding-block-end: calc(var(--tabbar-h) + var(--safe-b)); }
@media (min-width: 900px) { .tabbar { display: none; } body.has-tabbar:has(> .tabbar) { padding-block-end: 0; } }

/* footer: small, quiet, Apple-style columns -------------------------------------------------------------------- */
.site-footer { padding-block: 40px calc(28px + var(--safe-b)); font-size: var(--fs-xs); color: var(--ink-2); }
.footer-grid { display: grid; gap: 24px; grid-template-columns: 1fr; border-block-start: 0.5px solid var(--sep); padding-block-start: 24px; }
.footer-grid nav { display: grid; gap: 0; align-content: start; }
.footer-grid h2 { font-size: var(--fs-xs); font-weight: 650; color: var(--ink); margin-block-end: 6px; font-family: var(--f-body); }
.footer-grid nav a { color: var(--ink-2); text-decoration: none; min-block-size: 36px; display: inline-flex; align-items: center; justify-self: start; }
@media (hover: hover) { .footer-grid nav a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; } }
.footer-grid .fine { border: 0; padding: 0; font-size: var(--fs-xs); line-height: 1.75; max-inline-size: 46ch; }
@media (max-width: 759px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-grid > div { grid-column: 1 / -1; } }
@media (min-width: 760px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }

/* pages & cards -------------------------------------------------------------- */
.page { padding-block: 20px 56px; }
.page-head { display: grid; gap: 6px; margin-block-end: 20px; }
.page-head h1 { font-size: var(--fs-h1); }
.page-head p { color: var(--ink-2); max-inline-size: 60ch; }
.crumbs { display: flex; flex-wrap: wrap; gap: 6px; color: var(--ink-2); font-size: var(--fs-sm); }
.crumbs a { color: inherit; }
.crumbs ol { display: flex; flex-wrap: wrap; align-items: center; gap: 2px 6px; margin: 0; padding: 0; list-style: none; min-inline-size: 0; }
.crumbs li { display: inline-flex; align-items: center; gap: 6px; min-inline-size: 0; }
.crumbs li + li::before { content: "/"; opacity: 0.55; }
.crumbs a { position: relative; display: inline-flex; align-items: center; min-block-size: 32px; text-decoration-color: color-mix(in srgb, currentColor 35%, transparent); }
.crumbs a::before { content: ""; position: absolute; inset: -6px -4px; }
.crumbs [aria-current] { color: var(--ink); font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-inline-size: 36ch; }
.lesson-hero .crumbs [aria-current], .intro-hero .crumbs [aria-current] { color: inherit; }
.card { background: var(--card); border: 1px solid var(--hair); border-radius: var(--radius); padding: 16px; }
@media (min-width: 760px) { .card { padding: 18px 20px; } }
.card h2 { font-size: var(--fs-md); margin-block-end: 8px; }
.card.tight { padding: 12px 14px; }
.card.link { text-decoration: none; display: grid; gap: 6px; transition: transform 180ms var(--ease-out), border-color 180ms; }
.card.link:hover { transform: translateY(-2px); border-color: var(--indigo); }
.grid { display: grid; gap: 12px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid.g2, .grid.g3, .grid.g4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 980px) { .grid.g3 { grid-template-columns: repeat(3, 1fr); } .grid.g4 { grid-template-columns: repeat(4, 1fr); } }
.section-title { font-size: var(--fs-lg); margin-block: 6px 10px; display: flex; gap: 8px; align-items: center; }

/* badges, pills, filters ------------------------------------------------------ */
.lvl { display: inline-flex; align-items: center; justify-content: center; min-inline-size: 30px; padding: 0 6px; border-radius: var(--r-xs);
  font: 700 var(--fs-2xs)/1.75 var(--f-display); letter-spacing: 0.02em; background: var(--paper-2); color: var(--ink); direction: ltr; }
.lvl.A1, .lvl.A2 { background: color-mix(in srgb, var(--teal-deco) 18%, var(--card)); }
.lvl.B1, .lvl.B2 { background: color-mix(in srgb, var(--indigo) 16%, var(--card)); }
.lvl.C1, .lvl.C2 { background: color-mix(in srgb, var(--saffron) 30%, var(--card)); }
.tag { display: inline-flex; gap: 4px; align-items: center; padding: 1px 8px; border-radius: 999px; font-size: var(--fs-xs); font-weight: 600; line-height: 1.7;
  background: var(--paper-2); color: var(--ink-2); }
.tag.premium { background: color-mix(in srgb, var(--saffron) 28%, var(--card)); color: var(--ink); }
.tag.ok { background: color-mix(in srgb, var(--ok) 16%, var(--card)); color: var(--ok); }
.tag.bad { background: color-mix(in srgb, var(--bad) 14%, var(--card)); color: var(--bad); }
.tag .ic { inline-size: 13px; block-size: 13px; }
.filters { display: flex; flex-wrap: wrap; gap: 6px; margin-block-end: 16px; }
.pill { position: relative; display: inline-flex; align-items: center; min-block-size: var(--ctl-sm); padding-inline: 12px; border-radius: 999px; border: 1px solid var(--hair);
  background: var(--card); text-decoration: none; font-weight: 600; font-size: var(--fs-sm); }
.pill:hover { border-color: var(--indigo); }
.pill.on { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* forms ------------------------------------------------------------------------ */
.field { display: grid; gap: 4px; }
.field > label, .field > .label { font-weight: 600; font-size: var(--fs-sm); }
.help, .helptext { color: var(--ink-2); font-size: var(--fs-xs); }
input[type="text"], input[type="tel"], input[type="email"], input[type="number"], input[type="search"], input[type="date"],
input[type="datetime-local"], input[type="password"], .input {
  font: inherit; color: var(--ink); background: var(--card); border: 1px solid var(--hair); border-radius: var(--r-md); padding: 7px 12px;
  min-block-size: var(--ctl); inline-size: 100%; transition: border-color 160ms, box-shadow 160ms;
}
input:focus-visible, .input:focus-visible { outline: 2px solid transparent; box-shadow: 0 0 0 3px color-mix(in srgb, var(--indigo) 32%, transparent); border-color: var(--indigo); }
.errorlist { list-style: none; margin: 0; padding: 0; color: var(--bad); font-size: var(--fs-sm); font-weight: 600; }
.choices { display: flex; flex-wrap: wrap; gap: 6px; }
.choices label, .choice { display: inline-flex; gap: 8px; align-items: center; padding: 6px 12px; border: 1px solid var(--hair); border-radius: var(--r-md);
  cursor: pointer; min-block-size: var(--ctl); background: var(--card); font-size: var(--fs-sm); }
.choices label:has(input:checked), .choice:has(input:checked) { border-color: var(--indigo); background: color-mix(in srgb, var(--indigo) 8%, var(--card)); }
.choices ul, .choices div { display: contents; }
.form-grid { display: grid; gap: 14px; }
.checkbox { display: flex; gap: 10px; align-items: flex-start; }
.checkbox input { inline-size: 18px; block-size: 18px; margin-block-start: 4px; }

/* auth ----------------------------------------------------------------------- */
.auth-wrap { min-block-size: calc(100dvh - 160px); display: grid; place-items: center; padding: 24px var(--gutter); }
.auth-card { inline-size: min(100%, 400px); background: var(--card); border: 1px solid var(--hair); border-radius: var(--r-xl); padding: 24px;
  box-shadow: var(--e2); display: grid; gap: 14px; }
.auth-card h1 { font-size: var(--fs-xl); }
.otp-input { text-align: center; font: 700 1.5rem/1 var(--f-display) !important; letter-spacing: 0.35em !important; direction: ltr; }
.devcode { background: color-mix(in srgb, var(--saffron) 25%, var(--card)); border-radius: var(--r-sm); padding: 6px 10px; font-size: var(--fs-sm); }
.resend { display: flex; gap: 8px; align-items: center; color: var(--ink-2); font-size: var(--fs-sm); flex-wrap: wrap; }
.linkbtn { background: none; border: 0; color: var(--indigo); font-weight: 600; padding: 6px 4px; min-block-size: 44px; cursor: pointer; }
.linkbtn[disabled] { color: var(--ink-2); cursor: default; }

/* dashboard ------------------------------------------------------------------- */
.dash { display: grid; gap: 12px; grid-template-columns: 1fr; }
@media (min-width: 980px) { .dash { grid-template-columns: 2fr 1fr; } }
.hello { display: flex; flex-wrap: wrap; gap: 14px 24px; align-items: center; justify-content: space-between; }
.hello h1 { font-size: var(--fs-h1); }
.statrow { display: flex; flex-wrap: wrap; gap: 8px; }
.statchip { display: inline-flex; gap: 6px; align-items: center; padding: 6px 12px; border-radius: var(--r-md); background: var(--card); border: 1px solid var(--hair); font-weight: 700; font-size: var(--fs-sm); }
.statchip .ic { color: var(--saffron); }
.statchip.xp .ic { color: var(--indigo); }
.goal { display: grid; grid-template-columns: auto 1fr; gap: 18px; align-items: center; }
.ring { inline-size: 104px; block-size: 104px; position: relative; }
.ring svg { inline-size: 100%; block-size: 100%; transform: rotate(-90deg); }
.ring .track { stroke: var(--paper-2); }
.ring .val { stroke: var(--teal-deco); stroke-linecap: round; transition: stroke-dashoffset 900ms var(--ease-out); }
.ring b { position: absolute; inset: 0; display: grid; place-items: center; font: 700 var(--fs-lg) var(--f-display); }
.weekbars { display: grid; grid-template-columns: repeat(7, 1fr); gap: 8px; align-items: end; block-size: 104px; direction: rtl; }
.weekbars .wb { display: grid; gap: 4px; justify-items: center; align-content: end; block-size: 100%; }
.weekbars .wb i { display: block; inline-size: min(24px, 70%); border-radius: 4px 4px 0 0; background: var(--indigo); min-block-size: 2px; }
.weekbars .wb.today i { background: var(--teal-deco); }
.weekbars .wb small { font-size: var(--fs-2xs); color: var(--ink-2); }
.next-list { display: grid; gap: 10px; }
.next-item { display: grid; grid-template-columns: auto 1fr auto; gap: 10px; align-items: center; padding: 10px 12px; border: 1px solid var(--hair);
  border-radius: var(--r-md); text-decoration: none; background: var(--card); }
.next-item:hover { border-color: var(--indigo); }
.next-item .t { font-weight: 700; }
.plan-days { display: grid; gap: 8px; }
.plan-day { display: grid; grid-template-columns: 70px 1fr; gap: 10px; padding: 8px 12px; border-radius: var(--r-md); border: 1px solid var(--hair); font-size: var(--fs-sm); }
.plan-day.today { border-color: var(--teal-deco); background: color-mix(in srgb, var(--teal-deco) 7%, var(--card)); }
.plan-day b { font-size: var(--fs-sm); }
.plan-day ul { margin: 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 6px; }
.plan-day li a { position: relative; display: inline-flex; align-items: center; min-block-size: 32px; padding: 2px 10px; border-radius: 999px; background: var(--paper-2); text-decoration: none; font-size: var(--fs-xs); }
.plan-day li a::before { content: ""; position: absolute; inset: -6px 0; }
.meter { display: grid; gap: 4px; }
.meter .bar { block-size: 8px; }
.meter .row { justify-content: space-between; font-size: var(--fs-sm); }
.countdown { font: 800 var(--fs-2xl) var(--f-display); color: var(--indigo); }

/* catalog --------------------------------------------------------------------- */
.unit { display: grid; gap: 10px; margin-block-end: 24px; }
.unit h2 { font-size: var(--fs-md); display: flex; gap: 8px; align-items: center; }
.lcards { display: grid; gap: 10px; grid-template-columns: 1fr; }
@media (min-width: 700px) { .lcards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .lcards { grid-template-columns: repeat(3, 1fr); } }
.lcardx { display: grid; gap: 6px; padding: 14px; border-radius: var(--r-lg); border: 1px solid var(--hair); background: var(--card); text-decoration: none;
  transition: transform 180ms var(--ease-out), border-color 180ms; }
.lcardx:hover { transform: translateY(-2px); border-color: var(--indigo); }
.lcardx h3 { font-size: var(--fs-base); line-height: 1.6; }
.lcardx p { color: var(--ink-2); font-size: var(--fs-sm); }
.lcardx .mini { block-size: 6px; border-radius: 6px; background: var(--paper-2); overflow: hidden; }
.lcardx .mini i { display: block; block-size: 100%; background: var(--ok); }
.lcardx.done { border-color: color-mix(in srgb, var(--ok) 50%, var(--hair)); }

/* lesson intro: teach cards ------------------------------------------------------ */
.teach { display: grid; gap: 12px; }
.tcard { background: var(--card); border: 1px solid var(--hair); border-radius: var(--r-lg); padding: 16px 18px; display: grid; gap: 8px; }
.tcard.tip { border-inline-start: 3px solid var(--saffron); }
.tcard.rule { border-inline-start: 3px solid var(--indigo); }
.tcard h3 { font-size: var(--fs-md); }
.exlist { display: grid; gap: 6px; margin: 0; padding: 0; list-style: none; }
.exlist li { display: grid; gap: 2px; padding: 8px 12px; background: var(--paper-2); border-radius: var(--r-sm); }
.exlist .en { display: block; font-weight: 600; }
.exlist .fa { color: var(--ink-2); font-size: var(--fs-sm); }
.ttable { inline-size: 100%; border-collapse: collapse; font-size: var(--fs-sm); direction: ltr; }
.ttable th, .ttable td { border: 1px solid var(--hair); padding: 8px 10px; text-align: start; }
.ttable th { background: var(--paper-2); }
.passage { background: var(--card); border: 1px solid var(--hair); border-radius: var(--r-lg); padding: 16px 18px; display: grid; gap: 8px; }
.passage .text { white-space: pre-line; line-height: 1.8; }
.draftflag { font-size: var(--fs-xs); color: var(--ink-2); display: inline-flex; gap: 6px; align-items: center; }

/* lesson player extras ----------------------------------------------------------- */
.qcontext { color: var(--ink-2); font-weight: 500; }
.gapline { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.gapline input { max-inline-size: 360px; direction: ltr; }
.pool, .tline { display: flex; flex-wrap: wrap; gap: 6px; min-block-size: 56px; padding: 8px; border-radius: var(--r-md); direction: ltr; }
.tline { border: 1.5px dashed var(--hair); background: var(--paper-2); }
.matchrow { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; align-items: center; padding: 6px 0; border-block-end: 1px solid var(--hair); }
.matchrow select { min-block-size: 44px; }
.matchrow.ok { color: var(--ok); }
.matchrow.no { color: var(--bad); }
.tokens { display: flex; flex-wrap: wrap; gap: 8px; direction: ltr; }
.token { font: inherit; font-weight: 600; padding: 6px 12px; border-radius: var(--r-sm); border: 1.5px solid var(--hair); background: var(--card); cursor: pointer; min-block-size: 44px; }
.token:hover:not([disabled]) { border-color: var(--indigo); }
.token.right { border-color: var(--ok); background: color-mix(in srgb, var(--ok) 14%, var(--card)); }
.token.wrong { border-color: var(--bad); background: color-mix(in srgb, var(--bad) 12%, var(--card)); }
.tfbtns { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.play-btn { display: inline-flex; gap: 6px; align-items: center; justify-content: center; min-block-size: 44px; min-inline-size: 44px; padding-inline: 12px;
  border-radius: 999px; border: 1.5px solid var(--indigo); background: color-mix(in srgb, var(--indigo) 8%, var(--card)); color: var(--indigo); font-weight: 700; font-size: var(--fs-sm); }
.play-btn .ic { inline-size: 18px; block-size: 18px; }
.play-btn.big { min-block-size: 60px; min-inline-size: 60px; }
.play-btn.big .ic { inline-size: 24px; block-size: 24px; }
.play-btn.playing { background: var(--indigo); color: var(--on-indigo); }
.play-btn[disabled] { opacity: 0.5; cursor: not-allowed; }
.rec { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.rec-btn { display: inline-flex; gap: 8px; align-items: center; min-block-size: 44px; padding-inline: 16px; border-radius: 999px; border: 1.5px solid var(--bad);
  color: var(--bad); background: var(--card); font-weight: 700; }
.rec-btn.on { background: var(--bad); color: #fff; }
.rec-time { font: 700 1rem var(--f-display); direction: ltr; }
.rec audio { max-inline-size: 100%; }

/* tests list & player ----------------------------------------------------------- */
.tcardx { display: grid; gap: 10px; }
.tcardx .meta { display: flex; flex-wrap: wrap; gap: 8px; color: var(--ink-2); font-size: var(--fs-sm); }
.tp { --tp-bar: 56px; min-block-size: 100dvh; display: grid; grid-template-rows: auto 1fr auto; background: var(--paper); }
.tp-top { position: sticky; inset-block-start: 0; z-index: 20; display: flex; gap: 12px; align-items: center; padding: 8px 16px; background: var(--card);
  border-block-end: 1px solid var(--hair); }
.tp-title { font-weight: 700; font-size: var(--fs-sm); margin-inline-end: auto; }
.tp-timer { display: inline-flex; gap: 6px; align-items: center; font: 700 1.05rem var(--f-display); direction: ltr; padding: 4px 10px; border-radius: var(--r-sm); background: var(--paper-2); }
.tp-timer.low { background: color-mix(in srgb, var(--bad) 18%, var(--card)); color: var(--bad); }
.tp-body { display: grid; gap: 0; grid-template-columns: 1fr; direction: ltr; text-align: left; font-family: "Inter Var", system-ui, sans-serif; }
.tp-body[data-size="l"] { font-size: 1.12rem; }
.tp-body[data-size="xl"] { font-size: 1.25rem; }
/* Desktop split: the player is exactly one screen (top bar, body, navigator) and each pane scrolls on its own. The panes
   sit inside .tp-section (display: contents), so they are targeted directly; a "> *" rule would hit the section. */
@media (min-width: 980px) {
  .tp:has(.tp-body.split) { block-size: 100dvh; min-block-size: 0; }
  .tp-body.split { grid-template-columns: 1fr 1fr; grid-template-rows: minmax(0, 1fr); min-block-size: 0; }
  .tp-body.split .tp-pane { overflow: auto; overscroll-behavior: contain; min-block-size: 0; }
}
.tp-pane { padding: 20px 24px 40px; }
.tp-passage { background: var(--card); border-inline-end: 1px solid var(--hair); }
.tp-passage h2 { font-size: 1.3rem; margin-block-end: 12px; font-family: inherit; }
.tp-passage p { margin-block-end: 14px; line-height: 1.75; }
.tp-passage .plabel { font-weight: 800; margin-inline-end: 6px; }
.tp-passage mark.hl { background: color-mix(in srgb, var(--saffron) 55%, transparent); color: inherit; border-radius: 3px; }
.tp-section { display: none; }
.tp-section.on { display: contents; }
.qgroup { display: grid; gap: 14px; margin-block-end: 26px; }
.qgroup .instr { font-weight: 700; background: var(--paper-2); padding: 10px 14px; border-radius: 12px; white-space: pre-line; }
.qgroup .instr small { display: block; font-weight: 500; color: var(--ink-2); }
.qitem { display: grid; gap: 8px; padding: 12px 14px; border: 1px solid var(--hair); border-radius: 14px; background: var(--card); scroll-margin-block-start: 80px; }
.qitem.flagged { border-color: var(--saffron); box-shadow: inset 4px 0 0 var(--saffron); }
.qhead { display: flex; gap: 10px; align-items: baseline; }
.qnum { font-weight: 800; min-inline-size: 30px; display: inline-grid; place-items: center; block-size: 30px; border-radius: 8px; background: var(--ink); color: var(--paper); font-size: 0.85rem; }
.flagbtn { margin-inline-start: auto; background: none; border: 0; color: var(--ink-2); min-block-size: 36px; min-inline-size: 36px; cursor: pointer; border-radius: 8px; }
.flagbtn[aria-pressed="true"] { color: var(--saffron); }
.qopts { display: grid; gap: 6px; }
.qopt { display: flex; gap: 10px; align-items: flex-start; padding: 8px 10px; border-radius: 10px; cursor: pointer; min-block-size: 44px; }
.qopt:hover { background: var(--paper-2); }
.qopt input { margin-block-start: 5px; inline-size: 18px; block-size: 18px; flex: none; }
.qopt:has(input:checked) { background: color-mix(in srgb, var(--indigo) 10%, var(--card)); }
.gapin { display: inline-block; inline-size: 11em; min-block-size: 36px !important; padding: 4px 8px !important; border-radius: 8px !important; margin: 2px 4px; }
.inlinegap { white-space: pre-line; line-height: 2.4; background: var(--card); border: 1px solid var(--hair); border-radius: 14px; padding: 14px 16px; }
.inlinegap .qnum { margin-inline-end: 2px; block-size: 24px; min-inline-size: 24px; font-size: 0.75rem; }
.optlist { display: grid; gap: 4px; padding: 10px 14px; border: 1px dashed var(--hair); border-radius: 12px; font-size: 0.95rem; }
.tp-audio { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; padding: 14px 16px; border-radius: 16px; background: var(--card); border: 1px solid var(--hair); margin-block-end: 18px; }
.tp-audio .ctx { flex: 1 1 260px; color: var(--ink-2); }
.tp-audio progress { inline-size: 100%; block-size: 8px; }
.tp-nav { position: sticky; inset-block-end: 0; z-index: 20; display: flex; gap: 6px; align-items: center; padding: 8px 12px; background: var(--card);
  border-block-start: 1px solid var(--hair); overflow-x: auto; direction: ltr; }
.tp-nav .sec { font-weight: 800; font-size: 0.8rem; padding-inline: 8px; white-space: nowrap; color: var(--ink-2); }
.navq { flex: none; inline-size: 34px; block-size: 34px; border-radius: 8px; border: 1px solid var(--hair); background: var(--paper); font: 700 0.82rem var(--f-display); cursor: pointer; position: relative; }
.navq.answered { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.navq.flagged::after { content: ""; position: absolute; inset-block-start: -3px; inset-inline-end: -3px; inline-size: 9px; block-size: 9px; border-radius: 50%; background: var(--saffron); border: 2px solid var(--card); }
.navq.current { outline: 3px solid var(--indigo); outline-offset: 1px; }
.tp-dialog { border: 0; border-radius: 22px; padding: 22px; inline-size: min(92vw, 520px); background: var(--card); color: var(--ink); box-shadow: var(--shadow); }
.tp-dialog::backdrop { background: rgb(15 14 34 / 0.5); }
.tp-dialog .grid-q { display: grid; grid-template-columns: repeat(auto-fill, minmax(40px, 1fr)); gap: 6px; direction: ltr; margin-block: 12px; }

/* result ---------------------------------------------------------------------------- */
.score-hero { display: grid; gap: 14px; grid-template-columns: 1fr; align-items: center; }
@media (min-width: 760px) { .score-hero { grid-template-columns: auto 1fr; } }
.score-num { font: 800 var(--fs-3xl)/1 var(--f-display); color: var(--indigo); direction: ltr; }
.score-sub { color: var(--ink-2); }
.review-list { display: grid; gap: 10px; }
.rv-item { display: grid; gap: 6px; padding: 10px 14px; border-radius: var(--r-md); border: 1px solid var(--hair); background: var(--card); }
.rv-item.ok { border-inline-start: 3px solid var(--ok); }
.rv-item.no { border-inline-start: 3px solid var(--bad); }
.rv-item .ans { direction: ltr; text-align: left; display: flex; flex-wrap: wrap; gap: 12px; font-size: var(--fs-sm); }
.rv-item .evidence { direction: ltr; text-align: left; font-style: italic; color: var(--ink-2); border-inline-start: 3px solid var(--hair); padding-inline-start: 10px; }
.transcript { direction: ltr; text-align: left; display: grid; gap: 6px; font-size: var(--fs-sm); }
.transcript b { color: var(--indigo); }

/* chat (tutor) ------------------------------------------------------------------------ */
.chat { display: grid; grid-template-rows: auto 1fr auto; gap: 12px; min-block-size: calc(100dvh - 200px); }
.bubbles { display: grid; gap: 10px; align-content: start; padding-block: 8px; }
.bubble { max-inline-size: 85%; padding: 8px 12px; border-radius: var(--r-lg); line-height: 1.6; direction: ltr; text-align: left; }
.bubble.partner { background: var(--card); border: 1px solid var(--hair); justify-self: end; border-end-end-radius: 6px; }
.bubble.learner { background: var(--indigo); color: var(--on-indigo); justify-self: start; border-end-start-radius: 6px; }
.coach { justify-self: start; max-inline-size: 85%; font-size: var(--fs-sm); background: color-mix(in srgb, var(--saffron) 20%, var(--card)); border-radius: var(--r-md); padding: 8px 12px; }
.coach .fix { direction: ltr; text-align: left; }
.composer { display: flex; gap: 8px; position: sticky; inset-block-end: 76px; background: var(--paper); padding-block: 8px; }
@media (min-width: 900px) { .composer { inset-block-end: 0; } }
.composer input { direction: ltr; }
.goals { display: flex; flex-wrap: wrap; gap: 6px; }

/* pricing ------------------------------------------------------------------------------ */
.plans3 { display: grid; gap: 12px; grid-template-columns: 1fr; }
@media (min-width: 900px) { .plans3 { grid-template-columns: repeat(3, 1fr); } }
.plan .amount { font: 800 var(--fs-2xl) var(--f-display); }
.plan .was { text-decoration: line-through; color: var(--ink-2); font-size: var(--fs-sm); }
.plan .badge-top { position: absolute; inset-block-start: -11px; inset-inline-start: 18px; background: var(--indigo); color: var(--on-indigo); font-size: var(--fs-xs); font-weight: 700; padding: 1px 12px; border-radius: 999px; }
.plan { position: relative; }
.compare { inline-size: 100%; border-collapse: collapse; }
.compare th, .compare td { padding: 8px 10px; border-block-end: 1px solid var(--hair); text-align: start; font-size: var(--fs-sm); }

/* tables --------------------------------------------------------------------------------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--hair); border-radius: var(--r-md); background: var(--card); }
.table { inline-size: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
.table th, .table td { padding: 8px 12px; text-align: start; border-block-end: 1px solid var(--hair); vertical-align: middle; }
.table th { font-size: var(--fs-xs); color: var(--ink-2); font-weight: 600; background: var(--paper-2); position: sticky; inset-block-start: 0; }
.table tr:last-child td { border-block-end: 0; }
.table td.num, .table th.num { text-align: end; font-variant-numeric: tabular-nums; }
.pager { display: flex; gap: 12px; align-items: center; justify-content: center; margin-block: 18px; }

/* prose (legal pages, panel previews; articles use .bl-prose in blog.css) ------------------- */
.prose { max-inline-size: 70ch; line-height: 1.95; font-size: var(--fs-md); }
.prose h2 { font-size: var(--fs-lg); margin-block: 28px 8px; }
.prose h3 { font-size: var(--fs-md); margin-block: 20px 6px; }
.prose p { margin-block: 0 14px; }
.prose ul, .prose ol { padding-inline-start: 22px; margin-block: 0 14px; }
.prose li { margin-block: 4px; }
.prose a { color: var(--indigo); }
.prose code { background: var(--paper-2); padding: 1px 6px; border-radius: 6px; }

/* speaking / recorder ----------------------------------------------------------------- */
.prompt-big { font-size: 1.0625rem; font-weight: 600; direction: ltr; text-align: left; line-height: 1.7; }
.bullets { direction: ltr; text-align: left; margin: 0; padding-inline-start: 20px; }
.phase { display: inline-flex; gap: 6px; align-items: center; font-weight: 700; font-size: var(--fs-sm); padding: 4px 12px; border-radius: 999px; background: var(--paper-2); }
.phase.prep { background: color-mix(in srgb, var(--saffron) 25%, var(--card)); }
.phase.speak { background: color-mix(in srgb, var(--bad) 15%, var(--card)); color: var(--bad); }
.wordmarks { direction: ltr; text-align: left; display: flex; flex-wrap: wrap; gap: 4px 6px; }
.wordmarks span { padding: 2px 6px; border-radius: 6px; }
.wordmarks .ok { background: color-mix(in srgb, var(--ok) 15%, var(--card)); }
.wordmarks .no { background: color-mix(in srgb, var(--bad) 15%, var(--card)); text-decoration: underline wavy var(--bad); }

/* pronunciation game ---------------------------------------------------------------- */
.pairgame { display: grid; gap: 16px; justify-items: center; text-align: center; }
.pairbtns { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; inline-size: min(100%, 460px); }
.pairbtn { min-block-size: 72px; border-radius: var(--r-lg); border: 1.5px solid var(--hair); background: var(--card); font: 700 var(--fs-xl) var(--f-display); direction: ltr; display: grid; gap: 2px; place-items: center; }
.pairbtn small { font: 500 var(--fs-xs) var(--f-body); color: var(--ink-2); }
.pairbtn.right { border-color: var(--ok); background: color-mix(in srgb, var(--ok) 14%, var(--card)); }
.pairbtn.wrong { border-color: var(--bad); background: color-mix(in srgb, var(--bad) 12%, var(--card)); }

/* techniques ------------------------------------------------------------------------- */
.shadow-line { direction: ltr; text-align: left; font-size: 1.0625rem; line-height: 1.8; padding: 12px 14px; border-radius: var(--r-md); background: var(--card); border: 1px solid var(--hair); transition: opacity 400ms, filter 400ms; }
.shadow-line.fade { opacity: 0.35; }
.shadow-line.hidden-text { filter: blur(7px); user-select: none; }
.shadow-line .w.cur { background: color-mix(in srgb, var(--saffron) 50%, transparent); border-radius: 4px; }
.seg { display: inline-flex; border: 1px solid var(--hair); border-radius: 999px; overflow: hidden; }
.seg button { border: 0; background: var(--card); padding: 6px 12px; min-block-size: var(--ctl-sm); font-weight: 600; font-size: var(--fs-sm); }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.diff { direction: ltr; text-align: left; line-height: 2; }
.diff ins { background: color-mix(in srgb, var(--ok) 20%, var(--card)); text-decoration: none; border-radius: 4px; padding: 0 3px; }
.diff del { background: color-mix(in srgb, var(--bad) 18%, var(--card)); border-radius: 4px; padding: 0 3px; }
.bigtimer { font: 700 var(--fs-3xl)/1 var(--f-display); direction: ltr; }

/* empty / misc -------------------------------------------------------------------------- */
.empty { text-align: center; padding: 32px 16px; color: var(--ink-2); display: grid; gap: 10px; justify-items: center; font-size: var(--fs-sm); }
.empty .ic { inline-size: 32px; block-size: 32px; }
.lockbox { display: grid; gap: 10px; justify-items: start; padding: 16px; border-radius: var(--r-lg); border: 1.5px dashed var(--saffron); background: color-mix(in srgb, var(--saffron) 8%, var(--card)); }
.kbd-hint { font-size: var(--fs-xs); color: var(--ink-2); }
details.more summary { cursor: pointer; font-weight: 700; min-block-size: 44px; display: flex; align-items: center; }
.tools-grid .card .ic { inline-size: 22px; block-size: 22px; color: var(--indigo); }
html[data-motion="0"] .card.link:hover, html[data-motion="0"] .lcardx:hover { transform: none; }

/* data-viz series tokens (dataviz reference palette, validated light + dark; light slots 3–5 < 3:1 → charts
   always ship a legend and a table view) ------------------------------------------------------------------ */
:root { --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s4: #eda100; --s5: #e87ba4; --s6: #008300; --grid: #e4dfd3; --axis: #4a4766; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500; --s5: #d55181; --s6: #008300; --grid: #2b2958; --axis: #b6b2d1; } }
:root[data-theme="dark"] { --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500; --s5: #d55181; --s6: #008300; --grid: #2b2958; --axis: #b6b2d1; }
.chart { background: var(--card); border: 1px solid var(--hair); border-radius: var(--r-lg); padding: 14px; display: grid; gap: 10px; direction: ltr; }
.chart h3 { font-size: var(--fs-base); text-align: left; font-family: "Inter Var", system-ui, sans-serif; }
.chart svg { inline-size: 100%; block-size: auto; overflow: visible; }
.chart .gridline { stroke: var(--grid); stroke-width: 1; }
.chart .tick { fill: var(--axis); font: 500 11px "Inter Var", system-ui, sans-serif; }
.chart .vlabel { fill: var(--ink); font: 700 11px "Inter Var", system-ui, sans-serif; }
.chart .legend { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: var(--fs-xs); color: var(--ink); }
.chart .legend span { display: inline-flex; gap: 6px; align-items: center; }
.chart .legend i { inline-size: 12px; block-size: 12px; border-radius: 3px; display: inline-block; }
.chart .hit:hover + .mark, .chart .mark:hover { opacity: 0.8; }
.qtext { white-space: pre-line; }

/* test player: split handle, mobile tabs, contrast themes, hidden timer (docs/REVERSE-ENGINEERING.md §3.4) */
.tp-tabs { display: none; margin: 8px 12px 0; }
.tp-handle { display: none; }
@media (min-width: 980px) {
  .tp-body.split { grid-template-columns: var(--split, 50%) 8px 1fr; }
  .tp-handle { display: block; cursor: col-resize; background: var(--hair); position: relative; }
  .tp-handle::after { content: "⟷"; position: absolute; inset-block-start: 50%; inset-inline-start: 50%; transform: translate(-50%, -50%);
    background: var(--card); border: 1px solid var(--hair); border-radius: 8px; font-size: 12px; padding: 4px 2px; }
  .tp-handle:focus-visible { outline: 3px solid var(--indigo); }
}
@media (max-width: 979px) {
  .tp-tabs { display: inline-flex; }
  .tp-body.split[data-view="passage"] .tp-questions, .tp-body.split[data-view="questions"] .tp-passage { display: none; }
}
.tp[data-contrast="bw"], .tp[data-contrast="bw"] .tp-pane, .tp[data-contrast="bw"] .qitem, .tp[data-contrast="bw"] .tp-top, .tp[data-contrast="bw"] .tp-nav,
.tp[data-contrast="bw"] .inlinegap, .tp[data-contrast="bw"] .qgroup .instr, .tp[data-contrast="bw"] input, .tp[data-contrast="bw"] select { background: #000 !important; color: #fff !important; }
.tp[data-contrast="yb"], .tp[data-contrast="yb"] .tp-pane, .tp[data-contrast="yb"] .qitem, .tp[data-contrast="yb"] .tp-top, .tp[data-contrast="yb"] .tp-nav,
.tp[data-contrast="yb"] .inlinegap, .tp[data-contrast="yb"] .qgroup .instr, .tp[data-contrast="yb"] input, .tp[data-contrast="yb"] select { background: #000 !important; color: #ffeb3b !important; }
.tp[data-contrast] .navq { color: inherit; background: transparent; border-color: currentColor; }
.tp-timer.hidden-timer #tp-time { visibility: hidden; }
.rv-item mark.ev, .tp-passage mark.ev { background: color-mix(in srgb, var(--teal-deco) 30%, transparent); border-radius: 3px; }
.rv-item .btn { justify-self: start; }
:root[data-theme="light"] { color-scheme: light; }
:root[data-theme="dark"] { color-scheme: dark; }
input[type="radio"], input[type="checkbox"], input[type="range"], progress { accent-color: var(--indigo); }
.tp-dialog .stack > div { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: center; }
.tcard h2, .passage h2 { font-size: var(--fs-md); }

/* ==== UI refresh (docs/UI-AUDIT.md): shared components ========================================================= */
/* --well: an inset surface that stays visible on cards in dark mode too (there --paper-2 equals --card) */
:root { --well: var(--paper-2); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --well: #262356; } }
:root[data-theme="dark"] { --well: #262356; }
/* grid/flex children never force a horizontal scroll (long <select> options, long words) */
.dash > *, .grid > *, .stack > *, .form-grid > * { min-inline-size: 0; }
select, input, textarea { max-inline-size: 100%; min-inline-size: 0; }
.field > select, .field > textarea { inline-size: 100%; }

/* cards: a resting card has a hairline and a 1px lift; link cards rise on hover */
.card { box-shadow: var(--e1); }
.card > h2:has(> .ic:first-child), .card > .row > h2:has(> .ic:first-child) { display: flex; gap: 10px; align-items: center; }
.card > h2 > .ic:first-child, .card > .row > h2 > .ic:first-child { inline-size: 30px; block-size: 30px; padding: 6px; border-radius: var(--r-sm);
  background: color-mix(in srgb, var(--indigo) 11%, var(--card)); color: var(--indigo); }
.card.link:hover, .lcardx:hover { box-shadow: var(--e2); }
.section-head-row { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: baseline; justify-content: space-between; margin-block-end: 12px; }

/* forms: 3:1 control borders (WCAG 1.4.11), one select style with a drawn chevron on the end side, hover + disabled */
input[type="text"], input[type="tel"], input[type="email"], input[type="number"], input[type="search"], input[type="date"],
input[type="datetime-local"], input[type="password"], .input, select, textarea { border-width: 1px; border-color: color-mix(in srgb, var(--line) 80%, var(--hair)); }
input[type="text"]:hover, input[type="tel"]:hover, input[type="email"]:hover, input[type="number"]:hover, input[type="search"]:hover,
input[type="password"]:hover, .input:hover, select:hover, textarea:hover { border-color: var(--line); }
input::placeholder, textarea::placeholder { color: color-mix(in srgb, var(--ink-2) 75%, transparent); opacity: 1; }
select:focus-visible, textarea:focus-visible { outline: 2px solid transparent; box-shadow: 0 0 0 3px color-mix(in srgb, var(--indigo) 32%, transparent); border-color: var(--indigo); }
input:disabled, select:disabled, textarea:disabled { opacity: 0.6; cursor: not-allowed; }
select:not([multiple]):not(.tp select) { appearance: none; -webkit-appearance: none; min-block-size: var(--ctl); padding-inline: 12px 34px; line-height: 1.5; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='m6 9 6 6 6-6' fill='none' stroke='%238a859c' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-size: 16px; background-position: left 12px center; }
[dir="ltr"] select:not([multiple]):not(.tp select), select[dir="ltr"]:not([multiple]):not(.tp select) { padding-inline: 12px 34px; background-position: right 12px center; }
.matchrow select:not([multiple]) { min-block-size: 44px; }
.field > label + .help, .field > .label + .help { margin-block-start: -2px; }
.errorlist { display: grid; gap: 2px; }
.errorlist li::before { content: "⚠ "; }
/* radio/checkbox chips: the native dot sits inside a pill; checked = indigo ring + tint */
.choices label { transition: border-color 120ms var(--ease-std), background-color 120ms var(--ease-std); border-width: 1px; border-color: color-mix(in srgb, var(--line) 60%, var(--hair)); }
.choices label:hover { border-color: var(--indigo); }
.choices label:has(input:focus-visible) { outline: 2px solid var(--indigo); outline-offset: 2px; }
.choices input[type="radio"], .choices input[type="checkbox"], .checkbox input { inline-size: 16px; block-size: 16px; margin: 0; flex: none; }
.checkbox { min-block-size: 44px; align-items: center; cursor: pointer; }
.checkbox input { margin-block-start: 0; }

/* disclosure: every "more" <details> gets a chevron that turns, not the browser triangle */
details.more > summary, .passage details > summary, .prompt-card details > summary, .stack > details:not([class]) > summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; gap: 10px; min-block-size: 44px; font-weight: 600; }
details.more > summary::-webkit-details-marker, .passage details > summary::-webkit-details-marker, .prompt-card details > summary::-webkit-details-marker,
.stack > details:not([class]) > summary::-webkit-details-marker { display: none; }
details.more > summary::after, .passage details > summary::after, .prompt-card details > summary::after, .stack > details:not([class]) > summary::after {
  content: ""; inline-size: 7px; block-size: 7px; margin-inline-start: auto; flex: none; border: solid currentColor; border-width: 0 1.5px 1.5px 0;
  transform: translateY(-2px) rotate(45deg); opacity: 0.6; transition: transform 160ms var(--ease-std); }
details[open].more > summary::after, .passage details[open] > summary::after, .prompt-card details[open] > summary::after, .stack > details[open]:not([class]) > summary::after {
  transform: translateY(2px) rotate(-135deg); }
details.more > summary:hover, .passage details > summary:hover { color: var(--indigo); }
details.card.more { padding-block: 6px; }
details.card.more[open] { padding-block-end: 16px; }
details.card.more > summary { min-block-size: 44px; }

/* toasts: tinted, with a state dot; they stay in flow under the header */
.toast { display: flex; gap: 10px; align-items: center; font-weight: 500; box-shadow: var(--e1); transition: opacity 400ms var(--ease-std); }
.toast::before { content: ""; inline-size: 8px; block-size: 8px; border-radius: 50%; flex: none; background: var(--indigo); }
.toast.success { background: color-mix(in srgb, var(--ok) 9%, var(--card)); } .toast.success::before { background: var(--ok); }
.toast.error { background: color-mix(in srgb, var(--bad) 8%, var(--card)); } .toast.error::before { background: var(--bad); }
.toast.warning { background: color-mix(in srgb, var(--saffron) 14%, var(--card)); } .toast.warning::before { background: var(--tile-sun-ledge, #c98500); }

/* empty states: icon in a soft tile, title, one line, one action */
.empty { padding: 28px 18px; border-radius: var(--radius); border: 1px dashed var(--line); background: color-mix(in srgb, var(--paper-2) 45%, transparent); }
.empty > .ic:first-child { inline-size: 44px; block-size: 44px; padding: 11px; border-radius: var(--r-md); background: var(--card); color: var(--indigo);
  box-shadow: 0 1px 2px rgb(20 18 43 / 0.06), 0 0 0 1px var(--hair); }
.empty h2, .empty h3 { font-size: var(--fs-md); color: var(--ink); }
.empty p { max-inline-size: 42ch; }
.card .empty, .empty.flat { border: 0; background: none; padding: 20px 8px; }
.empty-mini { display: flex; gap: 10px; align-items: center; padding: 10px 12px; border-radius: var(--r-md); background: var(--well); color: var(--ink-2); font-size: var(--fs-sm); }
.empty-mini .ic { color: var(--indigo); flex: none; }

/* tables: row headers, zebra-free hover, readable on phones */
.table th[scope="row"] { font-size: var(--fs-sm); color: var(--ink); background: none; position: static; font-weight: 700; }
.table tbody tr:hover td, .table tbody tr:hover th { background: color-mix(in srgb, var(--paper-2) 55%, transparent); }
.table .ic { inline-size: 16px; block-size: 16px; color: var(--ok); }
.table td .ic { display: inline-block; vertical-align: -4px; }

/* lists: Persian ordinal markers in Persian lists; zero specificity, so any component's `list-style: none` (answer grid,
   steps, chips) still wins */
:where(ol:lang(fa)) { list-style-type: persian; }
ol.steps, ol.trail-nodes, ol.week-dots, ol.sec-steps { list-style: none; }

/* disabled buttons never look clickable */
.btn[disabled], .btn[aria-disabled="true"] { box-shadow: none; transform: none; }
.btn-primary:focus-visible, .btn-sun:focus-visible { outline-offset: 2px; }

/* page header: kicker + title + lead keep one rhythm everywhere */
.page-head .kicker { margin-block-end: -2px; }
.page-head p:not(.kicker) { text-wrap: pretty; }

/* state pages: 404, offline, maintenance, 500 */
.state-page { min-block-size: calc(100dvh - 260px); display: grid; place-items: center; padding-block: 40px; }
.state-card { display: grid; gap: 12px; justify-items: center; text-align: center; max-inline-size: 440px; }
.state-card .khatam { inline-size: 96px; }
.state-card h1 { font-size: var(--fs-h1); }
.state-card p { color: var(--ink-2); }
.state-card .row { justify-content: center; margin-block-start: 6px; }
.state-code { font: 700 var(--fs-2xs)/1 var(--f-display); letter-spacing: var(--ls-caps); color: var(--ink-2); direction: ltr; }

/* pricing (billing/pricing.html): price line, feature ticks, one buy button, coupon behind a disclosure */
.plans3 { align-items: stretch; }
.plans3 .plan { box-shadow: var(--e1); display: flex; flex-direction: column; }
.plans3 .plan.featured { box-shadow: 0 14px 32px -22px color-mix(in srgb, var(--indigo) 70%, transparent); background: linear-gradient(170deg, color-mix(in srgb, var(--indigo) 6%, var(--card)), var(--card) 55%); }
.plans3 .plan h3 { font-size: var(--fs-lg); }
.price-line { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 8px; }
.price-line .cur { color: var(--ink-2); font-weight: 600; font-size: var(--fs-sm); }
.price-line .was { color: var(--ink-2); font-size: var(--fs-sm); }
.plans3 .plan ul.feat { gap: 6px; }
.plans3 .plan ul.feat li::before { content: none; }
.plans3 .plan ul.feat li { align-items: flex-start; }
.plans3 .plan ul.feat .ic { inline-size: 18px; block-size: 18px; padding: 3px; border-radius: 50%; margin-block-start: 3px; stroke-width: 2.5; background: color-mix(in srgb, var(--ok) 14%, var(--card)); color: var(--ok); }
.plan-buy { margin-block-start: auto; gap: 10px; }
.plan-buy .btn { inline-size: 100%; }
details.coupon > summary { list-style: none; cursor: pointer; min-block-size: 44px; display: inline-flex; align-items: center; color: var(--indigo); font-weight: 600; font-size: var(--fs-sm); }
details.coupon > summary::-webkit-details-marker { display: none; }
details.coupon[open] > summary { color: var(--ink-2); }
details.coupon input { margin-block-start: 4px; }
.compare-t { table-layout: fixed; }
.compare-t th[scope="col"] { text-align: center; }
.compare-t th[scope="col"]:first-child { inline-size: 40%; }
.compare-t td { text-align: center; font-size: var(--fs-sm); }
.compare-t .hl { background: color-mix(in srgb, var(--indigo) 5%, transparent); }
.compare-t thead .hl { color: var(--indigo); }
@media (max-width: 559px) { .compare-t th[scope="row"] { font-size: 0.85rem; } .compare-t td { font-size: 0.82rem; padding-inline: 6px; } .compare-t th, .compare-t td { padding-inline: 8px; } }

/* profile: danger zone + referral code */
.btn-danger { color: var(--bad); border-color: color-mix(in srgb, var(--bad) 55%, var(--hair)); background: var(--card); }
.btn-danger:hover { background: color-mix(in srgb, var(--bad) 9%, var(--card)); border-color: var(--bad); }
.card.danger-zone { border-color: color-mix(in srgb, var(--bad) 30%, var(--hair)); }
.card.danger-zone h2 { color: var(--bad); }
.ref-code { justify-self: start; }
.ref-code .en { font: 700 var(--fs-lg)/1 var(--f-display); letter-spacing: 0.12em; padding: 8px 14px; border-radius: var(--r-md); border: 1.5px dashed var(--line); background: var(--well); }
form.card > .btn-primary[type="submit"] { justify-self: start; min-inline-size: 160px; }

/* notice row: icon + two lines + one action (due reviews, resumable work) */
.notice { display: flex; flex-wrap: wrap; gap: 10px 12px; align-items: center; padding: 12px 14px; margin-block-end: 16px; border-radius: var(--r-lg);
  background: var(--card); border: 1px solid var(--hair); box-shadow: var(--e1); }
.notice.hot { background: color-mix(in srgb, var(--saffron) 12%, var(--card)); border-color: color-mix(in srgb, var(--saffron) 55%, var(--hair)); }
.notice .nt-ic { inline-size: 36px; block-size: 36px; flex: none; border-radius: var(--r-md); display: grid; place-items: center; background: var(--tile-sun, #ffb627); color: var(--on-sun, #14122b); }
.notice .nt-text { display: grid; gap: 2px; flex: 1 1 200px; min-inline-size: 0; }
.notice .nt-text small { color: var(--ink-2); font-size: var(--fs-xs); }
/* technique cards: action pinned to the bottom so a row of cards lines up */
.tech-card { align-content: stretch; grid-template-rows: auto auto 1fr auto; }
.tech-card > .btn { justify-self: start; }
.tech-card .why-line { align-self: start; padding-block-start: 10px; border-block-start: 1px dashed var(--hair); }
@media (max-width: 559px) { .lcardx { padding: 12px 14px; gap: 4px; } }

/* auth: a glazed band on top of the card (brand moment without an image) */
.auth-card { position: relative; overflow: hidden; padding-block-start: 32px; }
.auth-card::before { content: ""; position: absolute; inset-block-start: 0; inset-inline: 0; block-size: 6px;
  background: var(--lattice-light, none), linear-gradient(90deg, var(--sk-listening, #07756d), var(--indigo) 55%, var(--sk-speaking, #b8336a)); }
.auth-card .btn-primary { min-block-size: var(--ctl-lg); font-size: var(--fs-base); }
.auth-card input[dir="ltr"], .auth-card .otp-input { text-align: center; }
.auth-wrap { background: radial-gradient(60% 50% at 50% 30%, color-mix(in srgb, var(--indigo) 7%, transparent), transparent 70%); }
p.en { max-inline-size: 100%; overflow-wrap: anywhere; }
details.card.more li a { display: inline-flex; align-items: center; min-block-size: 44px; }

/* filter pills: one swipeable row per group on phones instead of 7 wrapped rows */
.pill { transition: border-color 120ms, background-color 120ms; white-space: nowrap; }
.pill.on { box-shadow: 0 2px 6px -2px rgb(20 18 43 / 0.35); }
@media (max-width: 759px) {
  .filters { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; margin-block-end: 10px; padding-block: 2px; padding-inline-end: 24px;
    mask-image: linear-gradient(to left, #000 calc(100% - 28px), transparent); scroll-snap-type: x proximity; }
  .filters::-webkit-scrollbar { display: none; }
  .filters > * { flex: none; scroll-snap-align: start; }
  .filters + :not(.filters) { margin-block-start: 14px; }
}
/* plain links that a flex row blockifies (e.g. recent chats) keep a 40px target */
.row > a:not([class]) { display: inline-flex; align-items: center; min-block-size: 40px; }