/* ============================================================
   DouNest v3 — Design System "Modern Tech"
   Violet→Cyan gradients, glassmorphism, light/dark, RTL-first
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  --brand-1: #7c3aed;          /* violet */
  --brand-2: #06b6d4;          /* cyan   */
  --brand-3: #a78bfa;
  --grad: linear-gradient(135deg, var(--brand-1), var(--brand-2));
  --grad-soft: linear-gradient(135deg, rgba(124,58,237,.14), rgba(6,182,212,.14));

  --bg: #f6f7fd;
  --bg-2: #eef0fa;
  --surface: rgba(255,255,255,.72);
  --surface-solid: #ffffff;
  --text: #101322;
  --text-muted: #5b6478;
  --border: rgba(101, 87, 255, .14);
  --border-strong: rgba(101, 87, 255, .28);

  --primary: #7c3aed;
  --primary-contrast: #ffffff;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;

  --radius: 16px;
  --radius-sm: 11px;
  --shadow: 0 1px 2px rgba(23,20,60,.05), 0 10px 30px rgba(76,54,150,.08);
  --shadow-lg: 0 24px 60px rgba(76,54,150,.16);
  --glass-blur: 14px;

  --maxw: 1160px;
  --font: "Inter", "Noto Sans Arabic", system-ui, -apple-system, "Segoe UI", sans-serif;
}

[data-theme="dark"] {
  --bg: #0a0d1c;
  --bg-2: #0d1124;
  --surface: rgba(21, 26, 51, .66);
  --surface-solid: #151a33;
  --text: #e8ebf7;
  --text-muted: #97a1c0;
  --border: rgba(148, 130, 255, .18);
  --border-strong: rgba(148, 130, 255, .34);
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 12px 34px rgba(0,0,0,.38);
  --shadow-lg: 0 24px 60px rgba(0,0,0,.5);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; min-width: 0; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; height: auto; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
::selection { background: rgba(124,58,237,.25); }

:focus-visible {
  outline: 2px solid var(--brand-2);
  outline-offset: 2px;
  border-radius: 6px;
}

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 18px; }

.skip-link {
  position: absolute; top: -48px; inset-inline-start: 10px;
  background: var(--grad); color: #fff; padding: 9px 14px;
  border-radius: 10px; z-index: 1000; font-weight: 600;
}
.skip-link:focus { top: 10px; }

/* ---------- Ambient background ---------- */
.ambient {
  position: fixed; border-radius: 50%; filter: blur(90px);
  opacity: .5; z-index: -1; pointer-events: none;
  animation: float 16s ease-in-out infinite alternate;
}
.ambient-one { width: 480px; height: 480px; background: rgba(124,58,237,.24); top: -160px; inset-inline-start: -120px; }
.ambient-two { width: 420px; height: 420px; background: rgba(6,182,212,.2); bottom: -140px; inset-inline-end: -100px; animation-delay: -8s; }
[data-theme="dark"] .ambient { opacity: .35; }
@keyframes float {
  from { transform: translate3d(0,0,0) scale(1); }
  to   { transform: translate3d(40px, 30px, 0) scale(1.12); }
}
@media (prefers-reduced-motion: reduce) {
  .ambient { animation: none; }
  * { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

/* ---------- Topbar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  display: flex; align-items: center; gap: 12px;
  min-height: 62px;
}
.brand {
  display: flex; align-items: center; gap: 9px;
  color: var(--text); font-weight: 800; font-size: 19px;
  letter-spacing: -.02em; flex-shrink: 0;
}
.brand-logo {
  width: 38px; height: 38px; border-radius: 11px; object-fit: cover;
  box-shadow: 0 4px 14px rgba(124,58,237,.35);
}
.brand-name { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

.topnav {
  display: flex; gap: 4px; margin-inline-start: auto;
  overflow-x: auto; scrollbar-width: none; min-width: 0;
  -webkit-overflow-scrolling: touch;
}
.topnav::-webkit-scrollbar { display: none; }
.topnav a {
  color: var(--text-muted); font-weight: 550; font-size: 14.5px;
  white-space: nowrap; padding: 7px 11px; border-radius: 9px;
  flex-shrink: 0; /* never squeeze links — overlap made the topbar look broken on phones */
  transition: color .15s, background .15s;
}
.topnav a:hover { color: var(--text); background: var(--grad-soft); }
.topnav a.active { color: var(--primary); background: var(--grad-soft); font-weight: 700; }
.topnav-group { position: relative; flex: 0 0 auto; align-self: center; }
.topnav-group > summary { list-style: none; white-space: nowrap; cursor: pointer; color: var(--text-muted); font-weight: 650; font-size: 14.5px; padding: 7px 11px; border-radius: 9px; }
.topnav-group > summary::-webkit-details-marker { display: none; }
.topnav-group > summary::after { content: "⌄"; margin-inline-start: 6px; font-size: 12px; }
.topnav-group[open] > summary { color: var(--primary); background: var(--grad-soft); }
.topnav-group > div { position: absolute; z-index: 60; inset-block-start: calc(100% + 7px); inset-inline-end: 0; display: grid; gap: 3px; min-width: 210px; padding: 8px; border: 1px solid var(--border); border-radius: 14px; background: var(--surface-solid); box-shadow: var(--shadow-lg); }
.topnav-group > div a { display: block; padding: 9px 11px; border-radius: 9px; white-space: nowrap; }

.topbar-actions { display: flex; gap: 7px; align-items: center; flex-shrink: 0; margin-inline-start: 4px; }

.icon-btn {
  background: transparent; border: 1px solid var(--border);
  width: 38px; height: 38px; border-radius: 11px; color: var(--text);
  font-size: 15px; display: inline-flex; align-items: center; justify-content: center;
  transition: background .15s, border-color .15s, transform .15s;
  flex-shrink: 0; padding: 0;
}
.icon-btn:hover { background: var(--grad-soft); border-color: var(--border-strong); }
.icon-btn.wide { width: auto; padding: 0 11px; gap: 5px; }
.icon-btn.wide .lang-code { font-size: 12.5px; font-weight: 700; }

.lang-menu { position: relative; display: inline-block; }
.lang-panel {
  position: absolute; top: 46px; inset-inline-end: 0;
  background: var(--surface-solid); border: 1px solid var(--border);
  border-radius: var(--radius-sm); box-shadow: var(--shadow-lg);
  padding: 6px; min-width: 176px; z-index: 100;
  max-height: 340px; overflow-y: auto;
  display: none;
}
.lang-panel.open { display: block; animation: pop .16s ease; }
@keyframes pop { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
.lang-panel button {
  display: flex; align-items: center; gap: 9px; width: 100%;
  background: none; border: 0; color: var(--text);
  padding: 8px 10px; border-radius: 8px; font-size: 14px; text-align: start;
}
.lang-panel button:hover { background: var(--grad-soft); }
.lang-panel button.active { background: var(--grad-soft); color: var(--primary); font-weight: 700; }

/* Support button */
.support-btn {
  display: inline-flex; align-items: center; gap: 7px;
  border: 1px solid var(--border-strong);
  background: var(--grad-soft);
  color: var(--text); font-weight: 700; font-size: 13.5px;
  padding: 8px 14px; border-radius: 11px;
  transition: transform .15s, box-shadow .15s, border-color .15s;
  white-space: nowrap;
}
.support-btn:hover { transform: translateY(-1px); border-color: var(--brand-1); box-shadow: 0 6px 18px rgba(124,58,237,.25); }
.support-side { width: 100%; justify-content: center; }

/* ---------- Main ---------- */
main { display: block; padding: 26px 0 60px; min-height: 60vh; }
main:focus { outline: none; }

/* ---------- Hero ---------- */
.hero {
  text-align: center; padding: 44px 0 30px;
  max-width: 760px; margin: 0 auto;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--text-muted); font-size: 13.5px; font-weight: 600;
  border: 1px solid var(--border); background: var(--surface);
  backdrop-filter: blur(var(--glass-blur));
  padding: 7px 15px; border-radius: 999px; margin: 0 0 18px;
}
.live-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--success); box-shadow: 0 0 0 4px rgba(16,185,129,.18);
  animation: pulse 2s infinite;
}
@keyframes pulse { 50% { box-shadow: 0 0 0 7px rgba(16,185,129,.08); } }

.hero-title {
  font-size: clamp(34px, 6vw, 58px);
  font-weight: 800; letter-spacing: -.035em; line-height: 1.14;
  margin: 0 0 16px;
}
.hero-title .grad, .grad {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { color: var(--text-muted); font-size: clamp(15px, 2.2vw, 18px); margin: 0 0 26px; }

.hero-badges { display: flex; gap: 9px; justify-content: center; flex-wrap: wrap; margin-top: 22px; }

.badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 12.5px; font-weight: 700; padding: 5px 11px; border-radius: 999px;
  border: 1px solid transparent;
}
.badge.primary { background: var(--grad-soft); color: var(--primary); border-color: var(--border-strong); }
.badge.success { background: rgba(16,185,129,.12); color: var(--success); border-color: rgba(16,185,129,.25); }
.badge.ghost { background: transparent; color: var(--text-muted); border-color: var(--border); }
.badge.tiny { font-size: 11px; padding: 3px 9px; }

/* ---------- Search ---------- */
.search-wrap { position: relative; max-width: 560px; margin: 0 auto; }
.search-icon {
  position: absolute; inset-inline-start: 16px; top: 50%; transform: translateY(-50%);
  font-size: 15px; opacity: .55; pointer-events: none;
}
.search-input {
  width: 100%; padding: 14px 46px;
  border: 1px solid var(--border); border-radius: 15px;
  background: var(--surface); color: var(--text);
  backdrop-filter: blur(var(--glass-blur));
  font-size: 15px; font-family: inherit;
  transition: border-color .2s, box-shadow .2s;
}
.search-input:focus {
  outline: none; border-color: var(--brand-1);
  box-shadow: 0 0 0 4px rgba(124,58,237,.14), var(--shadow);
}
textarea.search-input { min-height: 110px; resize: vertical; }

/* ---------- Sections ---------- */
.section { margin: 38px 0; }
.section.slim { margin: 10px 0; }
.section-title { font-size: 21px; font-weight: 800; letter-spacing: -.02em; margin: 0 0 16px; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 16px; }
.section-head .section-title { margin: 0; }
.see-all { font-weight: 700; font-size: 14px; color: var(--primary); }
.page-head { text-align: center; padding: 20px 0 8px; margin-bottom: 8px; }
.page-head h1 { font-size: clamp(26px, 4.5vw, 40px); font-weight: 800; letter-spacing: -.03em; margin: 0 0 10px; }
.page-head p { color: var(--text-muted); max-width: 620px; margin: 0 auto 20px; }

/* ---------- Category chips ---------- */
.category-chips {
  display: flex; gap: 8px; flex-wrap: wrap; justify-content: center;
  margin: 0 0 26px;
}
.chip {
  border: 1px solid var(--border); background: var(--surface);
  backdrop-filter: blur(var(--glass-blur));
  color: var(--text-muted); font-weight: 600; font-size: 13.5px;
  padding: 8px 16px; border-radius: 999px;
  transition: all .18s;
}
.chip:hover { color: var(--text); border-color: var(--border-strong); }
.chip.active {
  background: var(--grad); color: #fff; border-color: transparent;
  box-shadow: 0 6px 18px rgba(124,58,237,.3);
}

/* ---------- Tools grid & cards ---------- */
.tools-grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}
.tools-grid.mini { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }

.tool-card {
  position: relative;
  display: flex; flex-direction: column; gap: 8px;
  background: var(--surface);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 18px 16px;
  color: var(--text);
  transition: transform .22s cubic-bezier(.2,.8,.3,1.2), box-shadow .22s, border-color .22s;
  overflow: hidden;
}
.tool-card::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(124,58,237,.07), rgba(6,182,212,.07));
  opacity: 0; transition: opacity .25s; pointer-events: none;
}
.tool-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-lg);
}
.tool-card:hover::before { opacity: 1; }
.tool-card h3 { margin: 2px 0 0; font-size: 16px; font-weight: 750; letter-spacing: -.01em; }
.tool-card p {
  margin: 0; color: var(--text-muted); font-size: 13.2px; line-height: 1.55;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.tool-card .card-foot { margin-top: auto; padding-top: 8px; }

.icon {
  width: 46px; height: 46px; border-radius: 13px;
  display: flex; align-items: center; justify-content: center;
  font-size: 21px; font-weight: 700;
  background: var(--grad-soft);
  border: 1px solid var(--border);
  color: var(--brand-1);
  flex-shrink: 0;
}
.icon.big { width: 62px; height: 62px; font-size: 28px; border-radius: 17px; }
.icon.sm { width: 30px; height: 30px; font-size: 14px; border-radius: 9px; }

/* category-tinted tiles */
.cat-dev      { background: rgba(124,58,237,.12);  color: #7c3aed; border-color: rgba(124,58,237,.25); }
.cat-encode   { background: rgba(6,182,212,.12);   color: #0891b2; border-color: rgba(6,182,212,.25); }
.cat-text     { background: rgba(16,185,129,.12);  color: #059669; border-color: rgba(16,185,129,.25); }
.cat-security { background: rgba(244,63,94,.11);   color: #e11d48; border-color: rgba(244,63,94,.25); }
.cat-color    { background: rgba(245,158,11,.13);  color: #d97706; border-color: rgba(245,158,11,.28); }
.cat-media    { background: rgba(217,70,239,.11);  color: #c026d3; border-color: rgba(217,70,239,.25); }

.fav-btn {
  position: absolute; top: 12px; inset-inline-end: 12px;
  background: none; border: 0; font-size: 17px; color: var(--text-muted);
  opacity: .55; transition: opacity .15s, transform .15s, color .15s;
  z-index: 2; padding: 4px;
}
.fav-btn:hover { opacity: 1; transform: scale(1.15); }
.fav-btn.active { color: #f59e0b; opacity: 1; }

.tool-card.external .badge.tiny { background: rgba(245,158,11,.12); color: #d97706; border-color: rgba(245,158,11,.25); }

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  font-size: 13.5px; color: var(--text-muted); margin-bottom: 20px;
}
.breadcrumb a { color: var(--text-muted); font-weight: 600; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { opacity: .45; }
.breadcrumb .current { color: var(--text); font-weight: 700; }

/* ---------- Tool page ---------- */
.tool-header { margin-bottom: 24px; }
.tool-header-main { display: flex; gap: 18px; align-items: flex-start; }
.tool-header h1 { font-size: clamp(24px, 4vw, 36px); font-weight: 800; letter-spacing: -.03em; margin: 0 0 6px; }
.tool-header .lead { color: var(--text-muted); margin: 0 0 12px; font-size: 15.5px; }
.tool-meta { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

.tool-layout {
  display: grid; gap: 26px;
  grid-template-columns: minmax(0, 1fr) 300px;
  align-items: start;
}
@media (max-width: 960px) { .tool-layout { grid-template-columns: 1fr; } }

.tool-maincol { min-width: 0; }
.tool-sidecol { position: sticky; top: 80px; display: flex; flex-direction: column; gap: 16px; }
@media (max-width: 960px) { .tool-sidecol { position: static; } }

.side-box {
  background: var(--surface); border: 1px solid var(--border);
  backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius); padding: 18px;
}
.side-box h3 { margin: 0 0 12px; font-size: 15px; font-weight: 750; }
.side-box p { color: var(--text-muted); font-size: 13.2px; margin: 0 0 12px; }
.related-list { display: flex; flex-direction: column; gap: 6px; }
.related-item {
  display: flex; align-items: center; gap: 10px;
  color: var(--text); font-size: 13.8px; font-weight: 600;
  padding: 7px 8px; border-radius: 10px;
  transition: background .15s;
}
.related-item:hover { background: var(--grad-soft); }
.support-box { border-style: dashed; border-color: var(--border-strong); }

/* ---------- Workspace ---------- */
.workspace {
  background: var(--surface);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}
.field { margin-bottom: 14px; min-width: 0; }
.field label { display: block; font-size: 13px; font-weight: 700; color: var(--text-muted); margin-bottom: 6px; }
.field textarea, .field input, .field select {
  width: 100%; padding: 11px 14px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface-solid); color: var(--text);
  font-family: inherit; font-size: 14px;
  transition: border-color .15s, box-shadow .15s;
}
.field textarea:focus, .field input:focus, .field select:focus {
  outline: none; border-color: var(--brand-1);
  box-shadow: 0 0 0 3px rgba(124,58,237,.12);
}
.field textarea { min-height: 120px; resize: vertical; font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 13px; }
.field input[type="file"] { padding: 9px; }
.field input[type="range"] { padding: 0; accent-color: var(--brand-1); }
.field input[type="color"] { padding: 3px; height: 46px; cursor: pointer; }

.row { display: flex; gap: 9px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; }
.row .field { flex: 1; min-width: 130px; margin-bottom: 0; }

.output {
  min-height: 46px; padding: 13px 15px;
  background: var(--bg-2); border: 1px dashed var(--border-strong);
  border-radius: var(--radius-sm);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 13px; white-space: pre-wrap; word-break: break-word;
  max-height: 380px; overflow: auto;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  border: 1px solid var(--border); background: var(--surface-solid);
  color: var(--text); font-weight: 700; font-size: 14px;
  padding: 10px 18px; border-radius: 12px;
  transition: transform .15s, box-shadow .15s, background .15s, border-color .15s;
}
.btn:hover { transform: translateY(-1px); border-color: var(--border-strong); box-shadow: var(--shadow); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-primary {
  background: var(--grad); color: var(--primary-contrast); border: 0;
  box-shadow: 0 8px 20px rgba(124,58,237,.32);
}
.btn-primary:hover { box-shadow: 0 10px 26px rgba(124,58,237,.42); }
.btn-ghost { background: transparent; border-color: var(--border); }
.btn-sm { padding: 7px 13px; font-size: 13px; }

/* ---------- Steps / explanation / FAQ ---------- */
.steps { margin: 0; padding-inline-start: 22px; color: var(--text); }
.steps li { margin-bottom: 8px; font-size: 14.5px; }
.explanation p { color: var(--text-muted); font-size: 14.5px; margin: 0 0 12px; }
.explanation a { font-weight: 700; }

.faq-item {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); margin-bottom: 10px; overflow: hidden;
}
.faq-item summary {
  padding: 13px 16px; font-weight: 700; font-size: 14.5px; cursor: pointer;
  list-style: none; position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; position: absolute; inset-inline-end: 16px;
  color: var(--primary); font-weight: 800; transition: transform .2s;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { padding: 0 16px 14px; margin: 0; color: var(--text-muted); font-size: 14px; }

/* ---------- Rating & comments ---------- */
.local-note { color: var(--text-muted); font-size: 12.5px; margin: 4px 0 12px; }
.rating-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.rating-box { display: flex; gap: 4px; }
.star {
  font-size: 26px; color: var(--border-strong); cursor: pointer;
  transition: color .15s, transform .15s; user-select: none;
}
.star:hover { transform: scale(1.15); }
.star.active { color: #f59e0b; }
.rating-summary { color: var(--text-muted); font-weight: 700; font-size: 14px; }

.comment-form { display: flex; flex-direction: column; gap: 9px; max-width: 560px; }
.comment-list { margin-top: 16px; display: flex; flex-direction: column; gap: 10px; }
.comment {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 12px 15px;
}
.comment-head { display: flex; justify-content: space-between; gap: 10px; font-size: 12.5px; color: var(--text-muted); margin-bottom: 4px; }
.comment-body { font-size: 14px; white-space: pre-wrap; }

/* ---------- Featured / ads / disclosure ---------- */
.featured { margin: 34px 0; }
.featured-title { font-size: 17px; font-weight: 800; margin: 0 0 14px; display: flex; align-items: center; gap: 10px; }
.tag-sponsored {
  font-size: 10.5px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase;
  background: rgba(245,158,11,.14); color: #d97706;
  border: 1px solid rgba(245,158,11,.3);
  padding: 3px 9px; border-radius: 999px;
}
.featured-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.featured-card {
  display: flex; gap: 14px; align-items: center;
  background: var(--surface); border: 1px solid var(--border-strong);
  backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius); padding: 16px; color: var(--text);
  transition: transform .2s, box-shadow .2s;
}
.featured-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.featured-card img { width: 64px; height: 64px; border-radius: 13px; object-fit: cover; }
.featured-icon {
  width: 54px; height: 54px; border-radius: 13px; flex-shrink: 0;
  background: var(--grad); color: #fff; font-size: 24px;
  display: flex; align-items: center; justify-content: center;
}
.featured-body h3 { margin: 0 0 3px; font-size: 15px; font-weight: 750; }
.featured-body p { margin: 0; color: var(--text-muted); font-size: 12.8px; }
.featured-side .featured-grid { grid-template-columns: 1fr; }

.ad-slot {
  margin: 22px 0;
  border: 1px dashed var(--border-strong); border-radius: var(--radius-sm);
  background: var(--grad-soft);
  min-height: 96px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  overflow: hidden; position: relative;
}
.ad-slot .ad-label { font-size: 10.5px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--text-muted); }
.ad-slot .ad-ph { width: min(420px, 80%); height: 12px; border-radius: 6px; background: repeating-linear-gradient(90deg, var(--border), var(--border) 8px, transparent 8px, transparent 16px); }
.ad-top { min-height: 88px; }

.disclosure {
  font-size: 12.8px; color: var(--text-muted);
  background: var(--grad-soft); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 11px 15px; margin: 0 0 20px;
}

/* ---------- Articles ---------- */
.article-body { max-width: 780px; margin: 0 auto; }
.article-body h1 { font-size: clamp(26px, 4.5vw, 38px); font-weight: 800; letter-spacing: -.03em; }
.article-date { color: var(--text-muted); font-size: 13.5px; font-weight: 600; }
.article-byline { display: flex; flex-wrap: wrap; gap: 5px 12px; color: var(--text-muted); font-size: 13.5px; font-weight: 600; }
.article-byline time { font-variant-numeric: tabular-nums; }
.info-page { max-width: 780px; margin: 0 auto; }
.info-section + .info-section { margin-top: 24px; }
.info-section p { line-height: 1.85; }
.info-contact-action { margin-top: 28px; }
.article-body h2 { font-size: 22px; font-weight: 800; margin: 30px 0 10px; letter-spacing: -.02em; }
.article-body h3 { font-size: 17px; font-weight: 750; margin: 22px 0 8px; }

/* ---------- Steps (how to use) section spacing ---------- */
.section h2 { font-size: 19px; font-weight: 800; letter-spacing: -.02em; margin: 0 0 14px; }

/* ---------- Empty / 404 ---------- */
.empty {
  text-align: center; padding: 46px 20px; color: var(--text-muted);
  background: var(--surface); border: 1px dashed var(--border-strong);
  border-radius: var(--radius); font-size: 15px;
}
.empty h1 { font-size: 64px; margin: 0; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.notfound { max-width: 420px; margin: 40px auto; }
.notfound .btn { margin-top: 12px; }

/* ---------- Toast ---------- */
#toast-container {
  position: fixed; bottom: 22px; inset-inline-start: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; gap: 8px; z-index: 999;
  align-items: center;
}
[dir="rtl"] #toast-container { transform: translateX(50%); }
.toast {
  background: var(--surface-solid); color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: 12px; padding: 11px 18px;
  font-size: 14px; font-weight: 650;
  box-shadow: var(--shadow-lg);
  animation: toast-in .25s cubic-bezier(.2,.9,.3,1.3);
  transition: opacity .2s;
}
.toast.success { border-inline-start: 3px solid var(--success); }
.toast.error { border-inline-start: 3px solid var(--danger); }
@keyframes toast-in { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: blur(var(--glass-blur));
  padding: 26px 0 30px; margin-top: 30px;
}
.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 14px; flex-wrap: wrap;
  color: var(--text-muted); font-size: 13.5px;
}
.footer-nav { display: flex; gap: 16px; flex-wrap: wrap; }
.footer-nav a { color: var(--text-muted); font-weight: 600; }
.footer-nav a:hover { color: var(--primary); }

/* ---------- Nice list (about) ---------- */
.nice-list { padding: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; }
.nice-list li {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 12px 16px; font-size: 14.5px;
}

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  .hero { padding: 26px 0 18px; }
  .topbar-inner { min-height: 56px; }
  .brand-name { display: none; }
  .support-header span { display: none; }
  .workspace { padding: 16px; }
  .tools-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 11px; }
  .tool-card { padding: 15px 13px 12px; }
  .icon { width: 40px; height: 40px; font-size: 18px; }
}

@media print {
  .topbar, .footer, .ad-slot, .support-btn, #toast-container { display: none !important; }
}

/* ========= v3.1 additions: progress, thumbnails, tables, docx preview ========= */
.progress {
  height: 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--text-muted, #888) 22%, transparent);
  overflow: hidden;
  margin: 10px 0;
}
.progress-fill {
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, #7c3aed, #06b6d4);
  transition: width .25s ease;
}

.thumb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
  gap: 10px;
}
.thumb {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--text-muted, #888) 25%, transparent);
  background: color-mix(in srgb, var(--text-muted, #888) 10%, transparent);
  cursor: pointer;
  transition: transform .15s ease, border-color .15s ease;
  min-height: 72px;
}
.thumb:hover { transform: translateY(-2px); border-color: #7c3aed; }
.thumb img {
  width: 100%;
  height: 72px;
  object-fit: cover;
  display: block;
}
.thumb span {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  font-size: 11px;
  padding: 2px 6px;
  text-align: center;
  color: #fff;
  background: linear-gradient(transparent, rgba(0,0,0,.72));
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  direction: ltr;
}

.csv-preview {
  border-collapse: collapse;
  font-size: 13px;
  min-width: 100%;
}
.csv-preview th, .csv-preview td {
  border: 1px solid color-mix(in srgb, var(--text-muted, #888) 28%, transparent);
  padding: 6px 10px;
  text-align: start;
  white-space: nowrap;
  max-width: 240px;
  overflow: hidden;
  text-overflow: ellipsis;
}
.csv-preview th {
  background: color-mix(in srgb, #7c3aed 12%, transparent);
  font-weight: 700;
}

.docx-preview {
  border: 1px solid color-mix(in srgb, var(--text-muted, #888) 22%, transparent);
  border-radius: 14px;
  padding: 22px clamp(14px, 4vw, 34px);
  max-height: 480px;
  overflow: auto;
  line-height: 1.85;
  background: color-mix(in srgb, var(--text-muted, #888) 6%, transparent);
  margin-top: 12px;
}
.docx-preview h1, .docx-preview h2, .docx-preview h3 { margin: 1em 0 .45em; line-height: 1.35; }
.docx-preview img { max-width: 100%; height: auto; }
.docx-preview table { border-collapse: collapse; width: 100%; }
.docx-preview td, .docx-preview th { border: 1px solid color-mix(in srgb, var(--text-muted, #888) 35%, transparent); padding: 6px 10px; }

/* mobile: comfortable touch targets + tighter grids */
@media (max-width: 640px) {
  .thumb-grid { grid-template-columns: repeat(auto-fill, minmax(76px, 1fr)); gap: 8px; }
  .thumb img { height: 60px; }
  input[type="file"], select, input[type="number"], input[type="text"] {
    min-height: 44px;
  }
  .btn { min-height: 44px; }
  .row.wrap { align-items: stretch; }
  .field { flex: 1 1 100%; }
}