/* ==========================================================================
   CloudTool — design system (pure CSS, no framework)
   Logical properties are used throughout so RTL (Arabic) works automatically.
   ========================================================================== */

:root {
  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", "Noto Sans Arabic", "Noto Sans Thai", "PingFang SC", "Hiragino Sans", "Microsoft YaHei", "Malgun Gothic", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Code", "Roboto Mono", Menlo, Consolas, monospace;

  --bg: #f6f7fb;
  --bg-soft: #eef0f7;
  --surface: #ffffff;
  --surface-2: #f9fafc;
  --text: #0f172a;
  --text-2: #334155;
  --muted: #5b6474;
  --border: #e2e6ef;
  --border-strong: #cfd5e2;

  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-soft: #eef0ff;
  --primary-text: #ffffff;
  --accent: #0891b2;
  --success: #15803d;
  --success-soft: #e8f6ee;
  --warning: #b45309;
  --warning-soft: #fdf3e3;
  --danger: #dc2626;
  --danger-soft: #fdecec;

  --c-convert: #4f46e5;
  --c-compress: #0891b2;
  --c-merge: #7c3aed;
  --c-split: #c2410c;
  --c-edit: #be185d;
  --c-utility: #15803d;

  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 2px rgb(15 23 42 / 0.06);
  --shadow: 0 1px 3px rgb(15 23 42 / 0.06), 0 8px 24px -8px rgb(15 23 42 / 0.12);
  --shadow-lg: 0 24px 48px -16px rgb(15 23 42 / 0.22);
  --ring: 0 0 0 3px rgb(79 70 229 / 0.35);

  --container: 1200px;
  --header-h: 64px;
  --ease: cubic-bezier(.2, .8, .2, 1);

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b1020;
    --bg-soft: #10162b;
    --surface: #121931;
    --surface-2: #161e3a;
    --text: #e8ebf5;
    --text-2: #c5cbdc;
    --muted: #9aa3bb;
    --border: #243052;
    --border-strong: #33406a;
    --primary: #8b8ff9;
    --primary-hover: #a5a8fb;
    --primary-soft: #1d2250;
    --primary-text: #0b1020;
    --accent: #22d3ee;
    --success: #4ade80;
    --success-soft: #0f2a1d;
    --warning: #fbbf24;
    --warning-soft: #2e2410;
    --danger: #f87171;
    --danger-soft: #2f1418;
    --c-convert: #8b8ff9;
    --c-compress: #22d3ee;
    --c-merge: #b794f6;
    --c-split: #fb923c;
    --c-edit: #f472b6;
    --c-utility: #4ade80;
    --shadow: 0 1px 3px rgb(0 0 0 / 0.3), 0 8px 24px -8px rgb(0 0 0 / 0.5);
    --shadow-lg: 0 24px 48px -16px rgb(0 0 0 / 0.6);
    --ring: 0 0 0 3px rgb(139 143 249 / 0.45);
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #0b1020;
  --bg-soft: #10162b;
  --surface: #121931;
  --surface-2: #161e3a;
  --text: #e8ebf5;
  --text-2: #c5cbdc;
  --muted: #9aa3bb;
  --border: #243052;
  --border-strong: #33406a;
  --primary: #8b8ff9;
  --primary-hover: #a5a8fb;
  --primary-soft: #1d2250;
  --primary-text: #0b1020;
  --accent: #22d3ee;
  --success: #4ade80;
  --success-soft: #0f2a1d;
  --warning: #fbbf24;
  --warning-soft: #2e2410;
  --danger: #f87171;
  --danger-soft: #2f1418;
  --c-convert: #8b8ff9;
  --c-compress: #22d3ee;
  --c-merge: #b794f6;
  --c-split: #fb923c;
  --c-edit: #f472b6;
  --c-utility: #4ade80;
  --shadow: 0 1px 3px rgb(0 0 0 / 0.3), 0 8px 24px -8px rgb(0 0 0 / 0.5);
  --shadow-lg: 0 24px 48px -16px rgb(0 0 0 / 0.6);
  --ring: 0 0 0 3px rgb(139 143 249 / 0.45);
  color-scheme: dark;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; outline: none; padding-block: 8px 48px; }
img, svg, video { max-width: 100%; }
[hidden] { display: none !important; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
:focus-visible { outline: none; box-shadow: var(--ring); border-radius: var(--radius-sm); }
h1, h2, h3, h4 { line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 .5em; color: var(--text); }
h1 { font-size: clamp(1.75rem, 1.2rem + 2.2vw, 2.6rem); font-weight: 800; }
h2, .h2 { font-size: clamp(1.4rem, 1.1rem + 1vw, 1.8rem); font-weight: 750; }
h3, .h3 { font-size: 1.2rem; font-weight: 700; }
.h4 { font-size: 1.02rem; font-weight: 700; margin: 0 0 .5em; }
p { margin: 0 0 1em; }
.lead { font-size: clamp(1.02rem, .95rem + .3vw, 1.18rem); color: var(--text-2); max-width: 70ch; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.center { text-align: center; }
.mono { font-family: var(--font-mono); font-size: .9rem; }
.truncate { max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.i { width: 20px; height: 20px; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; vertical-align: middle; }
.i--sm { width: 16px; height: 16px; }
.skip-link { position: absolute; inset-inline-start: 12px; top: -48px; background: var(--primary); color: var(--primary-text); padding: 8px 14px; border-radius: var(--radius-sm); z-index: 100; }
.skip-link:focus { top: 12px; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 20px; }
.narrow { max-width: 820px; }
.narrow-xl { max-width: 1000px; }
.section { margin-block: 56px; }
.section__head { margin-block-end: 24px; }
.section__title { margin-block-end: 8px; }
.page-head { margin-block: 32px 28px; }

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: var(--surface); --btn-fg: var(--text); --btn-border: var(--border);
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 42px; padding: 0 16px;
  font: inherit; font-weight: 600; font-size: .95rem; line-height: 1;
  color: var(--btn-fg); background: var(--btn-bg);
  border: 1px solid var(--btn-border); border-radius: var(--radius);
  cursor: pointer; text-decoration: none !important; white-space: nowrap;
  transition: background-color .15s var(--ease), border-color .15s var(--ease), transform .1s var(--ease), box-shadow .15s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn:disabled, .btn.is-disabled { opacity: .55; cursor: not-allowed; transform: none; }
.btn--primary { --btn-bg: var(--primary); --btn-fg: var(--primary-text); --btn-border: transparent; box-shadow: 0 6px 16px -6px rgb(79 70 229 / .55); }
.btn--primary:hover:not(:disabled) { --btn-bg: var(--primary-hover); }
.btn--secondary { --btn-bg: var(--primary-soft); --btn-fg: var(--primary); --btn-border: transparent; }
.btn--secondary:hover:not(:disabled) { filter: brightness(.97); }
.btn--ghost { --btn-bg: transparent; --btn-border: transparent; --btn-fg: var(--text-2); }
.btn--ghost:hover:not(:disabled) { --btn-bg: var(--bg-soft); }
.btn--danger { --btn-bg: var(--danger); --btn-fg: #fff; --btn-border: transparent; }
.btn--sm { min-height: 34px; padding: 0 12px; font-size: .875rem; border-radius: var(--radius-sm); }
.btn--lg { min-height: 50px; padding: 0 22px; font-size: 1rem; }
.btn--block { width: 100%; }
.btn--icon { width: 42px; padding: 0; }
.btn--icon-text { gap: 6px; padding: 0 10px; }
.btn.is-static { cursor: default; }
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; }
.link-button { background: none; border: 0; padding: 0; font: inherit; color: var(--muted); cursor: pointer; }
.link-button:hover { color: var(--text); text-decoration: underline; }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 40; background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: saturate(160%) blur(12px); -webkit-backdrop-filter: saturate(160%) blur(12px); border-block-end: 1px solid var(--border); }
.site-header__inner { display: flex; align-items: center; gap: 20px; height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-weight: 800; font-size: 1.15rem; letter-spacing: -0.02em; text-decoration: none !important; }
.brand__mark { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; color: #fff; background: linear-gradient(135deg, #6366f1, #06b6d4); box-shadow: 0 6px 14px -6px rgb(79 70 229 / .6); }
.brand__mark .i { width: 20px; height: 20px; }
.main-nav { display: flex; align-items: center; gap: 4px; margin-inline-start: 12px; }
.nav-link { display: inline-flex; align-items: center; gap: 4px; padding: 8px 12px; border-radius: var(--radius-sm); color: var(--text-2); font-weight: 550; font-size: .95rem; cursor: pointer; list-style: none; text-decoration: none !important; }
.nav-link:hover { background: var(--bg-soft); color: var(--text); }
.header-actions { display: flex; align-items: center; gap: 6px; margin-inline-start: auto; }
.nav-toggle { display: none; }
.theme-icon--dark { display: none; }
:root[data-theme="dark"] .theme-icon--light { display: none; }
:root[data-theme="dark"] .theme-icon--dark { display: inline; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-icon--light { display: none; }
  :root:not([data-theme="light"]) .theme-icon--dark { display: inline; }
}

/* dropdowns via <details> (work without JS) */
.dropdown { position: relative; }
.dropdown > summary { list-style: none; }
.dropdown > summary::-webkit-details-marker { display: none; }
.dropdown[open] > summary .i--sm { transform: rotate(180deg); }
.dropdown__panel { position: absolute; top: calc(100% + 8px); inset-inline-start: 0; z-index: 50; min-width: 220px; padding: 8px; margin: 0; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-lg); animation: pop .16s var(--ease); }
.dropdown--end .dropdown__panel { inset-inline-start: auto; inset-inline-end: 0; }
@keyframes pop { from { opacity: 0; transform: translateY(-4px) scale(.98); } to { opacity: 1; transform: none; } }
.mega { display: grid; grid-template-columns: repeat(3, minmax(190px, 1fr)); gap: 8px 24px; padding: 18px; width: min(760px, 92vw); }
.mega__title { font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); font-weight: 700; margin: 4px 8px 6px; }
.mega ul, .lang-list { list-style: none; padding: 0; margin: 0; }
.mega a, .lang-list a { display: flex; align-items: center; gap: 10px; padding: 7px 8px; border-radius: var(--radius-sm); color: var(--text-2); font-size: .92rem; text-decoration: none !important; }
.mega a:hover, .lang-list a:hover { background: var(--bg-soft); color: var(--text); }
.lang-list { max-height: 70vh; overflow: auto; min-width: 200px; }
.lang-list a { justify-content: space-between; }
.lang-list a[aria-current] { color: var(--primary); font-weight: 650; background: var(--primary-soft); }

/* ---------- Cards / layout ---------- */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); padding: 24px; }
.section-card { margin-block: 24px; }
.breadcrumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: .875rem; color: var(--muted); margin-block: 20px 8px; }
.breadcrumbs a { color: var(--muted); }
[dir="rtl"] .breadcrumbs .i, [dir="rtl"] .chip .i, [dir="rtl"] .related .i { transform: scaleX(-1); }
.tool-hero { display: flex; gap: 18px; align-items: flex-start; margin-block: 12px 24px; }
.tool-hero h1 { margin-block-end: 6px; }
.tool-hero .lead { margin: 0; }
.tool-icon { display: inline-grid; place-items: center; width: 44px; height: 44px; flex: none; border-radius: 12px; color: var(--tc, var(--primary)); background: color-mix(in srgb, var(--tc, var(--primary)) 13%, transparent); }
.tool-hero__icon { width: 56px; height: 56px; border-radius: 16px; }
.tool-hero__icon .i { width: 28px; height: 28px; }
.tool-icon--convert { --tc: var(--c-convert); }
.tool-icon--compress { --tc: var(--c-compress); }
.tool-icon--merge { --tc: var(--c-merge); }
.tool-icon--split { --tc: var(--c-split); }
.tool-icon--edit { --tc: var(--c-edit); }
.tool-icon--utility { --tc: var(--c-utility); }
.tool-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 28px; align-items: start; }
.tool-main { min-width: 0; }
.tool-sidebar { display: grid; gap: 20px; position: sticky; top: calc(var(--header-h) + 20px); }

/* ---------- Hero (home) ---------- */
.hero { position: relative; overflow: hidden; padding-block: 44px 28px; }
.hero::before { content: ""; position: absolute; inset: -40% -10% auto; height: 620px; background: radial-gradient(ellipse at 20% 30%, rgb(99 102 241 / .18), transparent 60%), radial-gradient(ellipse at 85% 10%, rgb(6 182 212 / .16), transparent 55%); pointer-events: none; z-index: -1; }
.hero__inner { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 40px; align-items: center; }
.hero__title { font-size: clamp(2rem, 1.3rem + 3vw, 3.3rem); line-height: 1.08; letter-spacing: -0.035em; background: linear-gradient(120deg, var(--text) 30%, var(--primary) 70%, var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px; border-radius: 999px; background: var(--primary-soft); color: var(--primary); font-size: .85rem; font-weight: 650; }
.hero__stats { display: flex; flex-wrap: wrap; gap: 10px 28px; list-style: none; padding: 0; margin: 24px 0 0; color: var(--muted); font-size: .92rem; }
.hero__stats strong { display: block; color: var(--text); font-size: 1.35rem; letter-spacing: -0.02em; }

/* ---------- Uploader ---------- */
.tool-card { padding: 20px; box-shadow: var(--shadow); }
.dropzone {
  position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
  min-height: 280px; padding: 32px 20px; cursor: pointer;
  border: 2px dashed var(--border-strong); border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  transition: border-color .2s var(--ease), background-color .2s var(--ease), transform .2s var(--ease);
}
.dropzone:hover { border-color: var(--primary); }
.dropzone.is-dragover { border-color: var(--primary); background: var(--primary-soft); transform: scale(1.005); }
.dropzone--compact { min-height: 180px; }
.dropzone__icon { display: grid; place-items: center; width: 64px; height: 64px; border-radius: 20px; margin-block-end: 14px; color: var(--primary); background: var(--primary-soft); }
.dropzone__icon .i { width: 30px; height: 30px; }
.dropzone.is-dragover .dropzone__icon { animation: bob 1s var(--ease) infinite; }
@keyframes bob { 50% { transform: translateY(-5px); } }
.dropzone__title { font-size: 1.2rem; font-weight: 700; margin: 0; }
.dropzone__or { color: var(--muted); margin: 6px 0 12px; font-size: .9rem; }
.dropzone__hint { color: var(--muted); font-size: .85rem; margin: 14px 0 0; }
.dropzone__paste { color: var(--muted); font-size: .78rem; margin: 4px 0 0; opacity: .8; }
.tool-card.has-files .dropzone { display: none; }

.filelist__head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; margin-block-end: 12px; }
.filelist__count { margin: 0; font-weight: 650; }
.filelist__tools { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.filelist__hint { display: flex; align-items: center; gap: 6px; font-size: .85rem; color: var(--muted); }
.inline-select { display: inline-flex; align-items: center; gap: 8px; font-size: .875rem; color: var(--muted); }
.inline-select select { min-height: 34px; padding-block: 4px; width: auto; }
.files { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.file {
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 8px 14px; align-items: center;
  padding: 12px 14px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface-2);
  animation: slidein .25s var(--ease);
}
@keyframes slidein { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.file.is-dragging { opacity: .5; }
.file.is-drop-target { border-color: var(--primary); box-shadow: var(--ring); }
.file__icon { color: var(--muted); display: flex; align-items: center; gap: 4px; }
.file__handle { cursor: grab; color: var(--muted); }
.file__meta { min-width: 0; }
.file__name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; margin: 0; }
.file__sub { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 10px; font-size: .82rem; color: var(--muted); margin: 0; }
.file__controls { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 6px; }
.file__controls select { min-height: 36px; padding-block: 4px; width: auto; min-width: 110px; }
.file__options { grid-column: 1 / -1; padding: 14px; border-radius: var(--radius-sm); background: var(--surface); border: 1px solid var(--border); }
.file__progress { grid-column: 1 / -1; }
.file__error { grid-column: 1 / -1; color: var(--danger); font-size: .875rem; margin: 0; display: flex; gap: 6px; align-items: center; }
.file.is-done { border-color: color-mix(in srgb, var(--success) 45%, var(--border)); background: color-mix(in srgb, var(--success-soft) 55%, var(--surface-2)); }
.file.is-failed { border-color: color-mix(in srgb, var(--danger) 45%, var(--border)); background: color-mix(in srgb, var(--danger-soft) 55%, var(--surface-2)); }
.arrow { color: var(--muted); font-size: .85rem; }
[dir="rtl"] .arrow { transform: scaleX(-1); display: inline-block; }

.progress { position: relative; height: 8px; border-radius: 999px; background: var(--bg-soft); overflow: hidden; }
.progress__bar { position: absolute; inset-block: 0; inset-inline-start: 0; width: 0; border-radius: inherit; background: linear-gradient(90deg, var(--primary), var(--accent)); transition: width .3s var(--ease); }
.progress.is-indeterminate .progress__bar { width: 35% !important; animation: indet 1.2s ease-in-out infinite; }
@keyframes indet { 0% { inset-inline-start: -35%; } 100% { inset-inline-start: 100%; } }
.progress-label { display: flex; justify-content: space-between; font-size: .78rem; color: var(--muted); margin-block-start: 4px; }
.progress-block { margin-block: 18px; }

.pill { display: inline-flex; align-items: center; gap: 4px; padding: 2px 9px; border-radius: 999px; font-size: .75rem; font-weight: 650; background: var(--bg-soft); color: var(--text-2); }
.pill--done { background: var(--success-soft); color: var(--success); }
.pill--failed { background: var(--danger-soft); color: var(--danger); }
.pill--processing, .pill--queued, .pill--uploading { background: var(--primary-soft); color: var(--primary); }
.pill--muted { color: var(--muted); }

.options-panel { margin-block-start: 18px; padding: 16px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface-2); }
.options-panel__title { display: flex; align-items: center; gap: 8px; font-weight: 700; margin: 0 0 12px; cursor: default; }
details.options-panel > summary { cursor: pointer; list-style: none; }
.options-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 14px 16px; }
.field--wide { grid-column: 1 / -1; }

.tool-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-block-start: 18px; }
.tool-note { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 6px 14px; margin: 16px 0 0; font-size: .85rem; color: var(--muted); }
.tool-note__text { display: flex; gap: 6px; align-items: flex-start; flex: 1 1 260px; }
.tool-note__text .i { margin-block-start: 2px; }
.tool-note__quota { margin-inline-start: auto; }

/* ---------- Forms ---------- */
.form { display: grid; gap: 16px; }
.form > .btn:not(.btn--block) { justify-self: start; }
.field { display: grid; gap: 6px; align-content: start; }
.field label { display: flex; justify-content: space-between; gap: 8px; font-size: .875rem; font-weight: 600; color: var(--text-2); }
.field output { font-variant-numeric: tabular-nums; color: var(--primary); }
.field__hint { color: var(--muted); font-size: .78rem; }
.field__error { color: var(--danger); font-size: .82rem; }
input:not([type="checkbox"], [type="radio"], [type="range"], [type="color"]), select, textarea {
  width: 100%; min-height: 42px; padding: 9px 12px;
  font: inherit; font-size: .95rem; color: var(--text);
  background: var(--surface); border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  transition: border-color .15s, box-shadow .15s;
}
textarea { resize: vertical; min-height: 90px; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); box-shadow: var(--ring); }
[aria-invalid="true"] { border-color: var(--danger) !important; }
input[type="range"] { width: 100%; accent-color: var(--primary); }
input[type="color"] { width: 100%; height: 42px; padding: 3px; border: 1px solid var(--border-strong); border-radius: var(--radius-sm); background: var(--surface); cursor: pointer; }
input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--primary); }
.check { display: inline-flex; align-items: center; gap: 10px; font-size: .92rem; cursor: pointer; }
.switch { display: inline-flex; align-items: center; gap: 12px; cursor: pointer; font-weight: 600; }
.switch input { position: absolute; opacity: 0; }
.switch__track { position: relative; width: 44px; height: 26px; border-radius: 999px; background: var(--border-strong); transition: background .2s; }
.switch__track::after { content: ""; position: absolute; top: 3px; inset-inline-start: 3px; width: 20px; height: 20px; border-radius: 50%; background: #fff; box-shadow: var(--shadow-sm); transition: inset-inline-start .2s var(--ease); }
.switch input:checked + .switch__track { background: var(--primary); }
.switch input:checked + .switch__track::after { inset-inline-start: 21px; }
.switch input:focus-visible + .switch__track { box-shadow: var(--ring); }
.inline-form { display: flex; flex-wrap: wrap; align-items: end; gap: 12px; margin-block-end: 16px; }
.inline-form--row { align-items: center; margin: 0; }
.inline-form--row select, .inline-form--row input { width: auto; }

/* segmented control */
.segmented { display: flex; flex-wrap: wrap; gap: 4px; padding: 4px; border-radius: var(--radius); background: var(--bg-soft); margin-block-end: 16px; }
.segmented__item { flex: 1 1 auto; min-height: 36px; padding: 0 12px; border: 0; border-radius: var(--radius-sm); background: transparent; color: var(--text-2); font: inherit; font-weight: 600; font-size: .88rem; cursor: pointer; }
.segmented__item[aria-selected="true"] { background: var(--surface); color: var(--primary); box-shadow: var(--shadow-sm); }

/* ---------- Tool grid / features ---------- */
.group-title { font-size: .8rem; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); margin: 28px 0 12px; }
.tool-grid { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 12px; }
.tool-tile { display: flex; gap: 14px; align-items: flex-start; height: 100%; padding: 16px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); color: var(--text); text-decoration: none !important; transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s; }
.tool-tile:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--primary) 35%, var(--border)); }
.tool-tile__body { display: grid; gap: 2px; }
.tool-tile__name { font-weight: 700; }
.tool-tile__desc { font-size: .86rem; color: var(--muted); line-height: 1.45; }
.feature-grid { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.feature { padding: 22px; border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--border); }
.feature h3 { font-size: 1.05rem; margin: 12px 0 6px; }
.feature p { color: var(--muted); margin: 0; font-size: .94rem; }
.feature__icon { display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; background: var(--primary-soft); color: var(--primary); }
.chip-list { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); color: var(--text-2); font-weight: 600; font-size: .88rem; text-decoration: none !important; }
.chip:hover { border-color: var(--primary); color: var(--primary); }
.checklist { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.checklist li { display: flex; gap: 10px; align-items: flex-start; }
.checklist .i { color: var(--success); margin-block-start: 3px; }
.features-mini .checklist { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px 24px; }

.steps__list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; counter-reset: s; }
.step { padding: 20px; border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--border); }
.step h3 { font-size: 1rem; margin: 12px 0 4px; }
.step p { margin: 0; color: var(--muted); font-size: .92rem; }
.step__num { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--primary); color: var(--primary-text); font-weight: 800; }
.format-info { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.format-card p { margin: 0; color: var(--text-2); }

.faq__item { border-block-end: 1px solid var(--border); }
.faq__item summary { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 16px 4px; font-weight: 650; cursor: pointer; list-style: none; }
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item[open] summary .i { transform: rotate(180deg); }
.faq__item p { padding: 0 4px 16px; margin: 0; color: var(--text-2); }
.cta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; margin-block: 56px; padding: 32px; background: linear-gradient(135deg, var(--primary-soft), color-mix(in srgb, var(--accent) 10%, var(--surface))); }
.cta h2 { margin-block-end: 6px; }
.cta p { margin: 0; color: var(--text-2); }

/* sidebar */
.related ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 2px; }
.related a { display: flex; align-items: center; gap: 8px; padding: 6px 8px; border-radius: var(--radius-sm); color: var(--text-2); font-size: .92rem; text-decoration: none !important; }
.related a:hover { background: var(--bg-soft); color: var(--text); }
.upsell { text-align: center; background: linear-gradient(160deg, var(--primary-soft), var(--surface)); }
.upsell > .i { width: 28px; height: 28px; color: var(--warning); }
.upsell h2 { margin-block: 8px 4px; }

/* ---------- History ---------- */
.history { margin-block: 24px; }
.history__head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; }
.history__head h2 { display: flex; align-items: center; gap: 8px; margin: 0; }
.history__list { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 6px; }
.history__item { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 6px 12px; padding: 10px 12px; border-radius: var(--radius-sm); background: var(--surface-2); font-size: .9rem; }
.history__item span { min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.empty { padding: 28px; text-align: center; color: var(--muted); }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; margin-block: 12px; border: 1px solid var(--border); border-radius: var(--radius); }
.table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.table th, .table td { padding: 10px 14px; text-align: start; border-block-end: 1px solid var(--border); vertical-align: middle; }
.table thead th { background: var(--surface-2); font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.table tbody tr:last-child > * { border-block-end: 0; }
.seo-table td { min-width: 240px; }

/* ---------- Pricing ---------- */
.pricing-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; align-items: stretch; }
.plan { position: relative; display: flex; flex-direction: column; gap: 16px; padding: 32px; }
.plan--featured { border: 2px solid var(--primary); box-shadow: var(--shadow-lg); }
.plan__ribbon { position: absolute; top: -13px; inset-inline-start: 50%; transform: translateX(-50%); display: inline-flex; gap: 6px; align-items: center; padding: 4px 14px; border-radius: 999px; background: var(--primary); color: var(--primary-text); font-size: .8rem; font-weight: 700; white-space: nowrap; }
[dir="rtl"] .plan__ribbon { transform: translateX(50%); }
.plan__name { margin: 0; }
.plan__price { margin: 0; }
.plan__price strong { font-size: 2.4rem; letter-spacing: -0.03em; }
.plan .checklist { flex: 1; }

/* ---------- Stats / admin ---------- */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; margin-block: 16px; }
.stat { display: grid; gap: 6px; align-content: start; }
.stat__label { font-size: .8rem; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; font-weight: 650; }
.stat__value { display: flex; align-items: center; gap: 8px; font-size: 1.6rem; letter-spacing: -0.02em; }
.stat__value .i { color: var(--warning); }
.tabs { display: flex; flex-wrap: wrap; gap: 4px; border-block-end: 1px solid var(--border); margin-block-start: 16px; }
.tabs__item { padding: 10px 16px; color: var(--muted); font-weight: 600; border-block-end: 2px solid transparent; margin-block-end: -1px; text-decoration: none !important; }
.tabs__item[aria-current="page"] { color: var(--primary); border-color: var(--primary); }
.engine-list { list-style: none; padding: 0; margin: 12px 0 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 10px; }
.engine { display: grid; grid-template-columns: auto 1fr; gap: 0 10px; align-items: center; padding: 12px; border-radius: var(--radius-sm); border: 1px solid var(--border); background: var(--surface-2); }
.engine small { grid-column: 2; color: var(--muted); }
.engine--ok .i { color: var(--success); }
.engine--missing .i { color: var(--warning); }
.pagination { display: flex; align-items: center; justify-content: center; gap: 12px; margin-block-start: 16px; }
.danger-zone { margin-block: 24px; border-color: color-mix(in srgb, var(--danger) 40%, var(--border)); }
.danger-zone summary { cursor: pointer; color: var(--danger); }
.account-actions { margin-block: 24px; }

/* ---------- Auth / share / errors ---------- */
.auth-wrap { display: grid; place-items: center; padding-block: 40px; }
.auth-card { width: 100%; max-width: 440px; padding: 32px; box-shadow: var(--shadow); }
.share-card, .error-card { margin-block: 56px; padding: 40px 28px; display: grid; justify-items: center; gap: 12px; box-shadow: var(--shadow); }
.share-card__icon { width: 64px; height: 64px; border-radius: 20px; }
.share-card__icon .i { width: 30px; height: 30px; }
.share-card__file { font-weight: 650; word-break: break-all; margin: 0; }
.error-card__code { font-size: 4.5rem; font-weight: 900; line-height: 1; margin: 0; background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.meta-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 28px; margin: 8px 0; }
.meta-list div { display: grid; }
.meta-list dt { font-size: .78rem; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.meta-list dd { margin: 0; font-weight: 650; }

/* ---------- Prose (privacy) ---------- */
.prose { max-width: 75ch; margin-inline: auto; }
.prose h2 { margin-block: 36px 12px; font-size: 1.35rem; scroll-margin-top: calc(var(--header-h) + 16px); }
.prose p, .prose li { color: var(--text-2); }
.prose ul { padding-inline-start: 22px; }
.toc { margin-block: 24px; }
.toc ol { margin: 0; padding-inline-start: 20px; columns: 2; column-gap: 32px; }
.toc li { margin-block: 4px; break-inside: avoid; }

/* ---------- Organizer ---------- */
.organizer__toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; margin-block-end: 16px; }
.organizer__toolbar p { display: flex; gap: 6px; align-items: center; margin: 0; }
.pages-grid { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(128px, 1fr)); gap: 14px; }
.page-card { position: relative; display: grid; gap: 6px; padding: 8px; border-radius: var(--radius); background: var(--surface-2); border: 1px solid var(--border); cursor: grab; user-select: none; transition: box-shadow .15s, border-color .15s, opacity .15s; }
.page-card:focus-visible { box-shadow: var(--ring); }
.page-card.is-dragging { opacity: .4; }
.page-card.is-drop-target { border-color: var(--primary); box-shadow: var(--ring); }
.page-card.is-deleted { opacity: .45; }
.page-card.is-deleted .page-card__thumb { filter: grayscale(1); }
.page-card__thumb { display: grid; place-items: center; aspect-ratio: 3 / 4; overflow: hidden; border-radius: 6px; background: #fff; border: 1px solid var(--border); max-width: 100%; }
.page-card__thumb img { max-width: 92%; max-height: 92%; transition: transform .25s var(--ease); box-shadow: var(--shadow-sm); }
.page-card__bar { display: flex; align-items: center; justify-content: space-between; gap: 2px; }
.page-card__num { font-size: .78rem; font-weight: 700; color: var(--muted); }
.page-card__bar .btn { min-height: 28px; width: 28px; padding: 0; }
.page-card__bar .btn .i { width: 15px; height: 15px; }

/* ---------- QR / hash ---------- */
.qr-tool { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 24px; }
.qr-fields { margin-block-end: 12px; }
.qr-tool__preview { display: grid; gap: 14px; align-content: start; justify-items: center; }
.qr-preview { display: grid; place-items: center; width: 100%; aspect-ratio: 1; max-width: 340px; padding: 16px; border-radius: var(--radius-lg); background: repeating-conic-gradient(var(--bg-soft) 0 25%, var(--surface) 0 50%) 50% / 20px 20px; border: 1px solid var(--border); text-align: center; }
.qr-preview img { width: 100%; height: auto; image-rendering: pixelated; border-radius: 6px; }
.hash-compare { margin-block: 16px; }
.hash-results { display: grid; gap: 12px; }
.hash-file { padding: 14px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface-2); }
.hash-file__name { font-weight: 650; margin: 0 0 8px; word-break: break-all; }
.hash-row { display: grid; grid-template-columns: 70px minmax(0, 1fr) auto; gap: 10px; align-items: center; padding-block: 4px; }
.hash-row code { font-family: var(--font-mono); font-size: .82rem; word-break: break-all; padding: 6px 8px; border-radius: 6px; background: var(--surface); border: 1px solid var(--border); }
.hash-row.is-match code { border-color: var(--success); background: var(--success-soft); }
.hash-row__algo { font-size: .78rem; font-weight: 700; color: var(--muted); }

/* ---------- Ads (never overlay content) ---------- */
.ad { display: block; margin-block: 16px; text-align: center; overflow: hidden; }
.ad__label { display: block; font-size: .68rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-block-end: 4px; }
.ad--top .adsbygoogle, .ad--bottom .adsbygoogle, .ad--below_tool .adsbygoogle { min-height: 100px; }
.ad--sidebar .adsbygoogle { min-height: 250px; }
.ad--top, .ad--bottom { max-width: var(--container); margin-inline: auto; padding-inline: 20px; }

/* ---------- Toasts ---------- */
.toasts { position: fixed; z-index: 90; inset-block-end: 20px; inset-inline-end: 20px; display: grid; gap: 10px; width: min(380px, calc(100vw - 40px)); pointer-events: none; }
.toast { display: grid; grid-template-columns: auto 1fr auto; gap: 10px; align-items: start; padding: 12px 14px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); border-inline-start: 4px solid var(--tone, var(--primary)); box-shadow: var(--shadow-lg); pointer-events: auto; animation: toastin .3s var(--ease); font-size: .92rem; }
.toast.is-leaving { animation: toastout .25s var(--ease) forwards; }
.toast > .i { color: var(--tone, var(--primary)); margin-block-start: 1px; }
.toast p { margin: 0; }
.toast button { background: none; border: 0; padding: 2px; color: var(--muted); cursor: pointer; }
.toast--success { --tone: var(--success); }
.toast--error { --tone: var(--danger); }
.toast--warning { --tone: var(--warning); }
@keyframes toastin { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes toastout { to { opacity: 0; transform: translateY(10px); } }

/* ---------- Consent (in document flow, never covers content) ---------- */
.consent { border-block-end: 1px solid var(--border); background: var(--surface); }
.consent__inner { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 20px; max-width: var(--container); margin-inline: auto; padding: 10px 20px; }
.consent__inner p { margin: 0; flex: 1 1 320px; font-size: .88rem; color: var(--text-2); }
.consent__actions { display: flex; gap: 8px; }

/* ---------- Footer ---------- */
.site-footer { margin-block-start: auto; border-block-start: 1px solid var(--border); background: var(--surface); }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 32px; padding-block: 48px 32px; }
.footer-brand p { margin-block: 12px 0; font-size: .92rem; }
.footer-privacy { display: flex; gap: 6px; align-items: flex-start; color: var(--success); font-size: .85rem; }
.footer-col__title { font-weight: 700; margin-block-end: 10px; font-size: .92rem; }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.footer-col a, .footer-col .link-button { color: var(--muted); font-size: .9rem; text-align: start; }
.footer-col a:hover { color: var(--text); }
.footer-bottom { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; padding-block: 18px 28px; border-block-start: 1px solid var(--border); font-size: .85rem; }
.footer-bottom p { margin: 0; }
.footer-langs { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 4px 14px; }
.footer-langs a { color: var(--muted); }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .hero__inner { grid-template-columns: 1fr; gap: 24px; }
  .tool-layout { grid-template-columns: 1fr; }
  .tool-sidebar { position: static; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .main-nav { display: none; position: absolute; top: var(--header-h); inset-inline: 0; flex-direction: column; align-items: stretch; margin: 0; padding: 12px 20px 20px; background: var(--surface); border-block-end: 1px solid var(--border); box-shadow: var(--shadow-lg); max-height: calc(100vh - var(--header-h)); overflow: auto; }
  .main-nav.is-open { display: flex; }
  .main-nav .dropdown__panel { position: static; box-shadow: none; border: 0; padding: 0 0 8px; width: auto; animation: none; }
  .mega { grid-template-columns: 1fr 1fr; }
  .lang-switcher__current { display: none; }
  .qr-tool { grid-template-columns: 1fr; }
  .pricing-grid, .format-info { grid-template-columns: 1fr; }
  .steps__list { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .container { padding-inline: 16px; }
  .hide-sm { display: none; }
  .card { padding: 18px; }
  .tool-card { padding: 14px; }
  .dropzone { min-height: 220px; }
  .tool-hero { gap: 12px; }
  .tool-hero__icon { width: 44px; height: 44px; }
  .file { grid-template-columns: auto minmax(0, 1fr); }
  .file__controls { grid-column: 1 / -1; justify-content: flex-start; }
  .mega { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .toc ol { columns: 1; }
  .tool-actions .btn { flex: 1 1 100%; }
  .hash-row { grid-template-columns: 1fr auto; }
  .hash-row__algo { grid-column: 1 / -1; }
  .toasts { inset-inline: 16px; width: auto; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}
@media print {
  .site-header, .site-footer, .ad, .toasts, .consent, .tool-sidebar { display: none !important; }
}