:root {
  --bg: #f4f4fb;
  --surface: #ffffff;
  --line: #c4b5fd;
  --text: #12172c;
  --muted: #67708a;
  --primary: #6a4dfd;
  --primary-2: #8b73ff;
  --card-shadow: 0 10px 35px rgba(47, 40, 94, .12);
  --radius: 18px;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  font-family: "Segoe UI", "Inter", sans-serif;
  color: var(--text);
  background: radial-gradient(1000px 460px at 10% -10%, #f0e9ff, transparent), #f7f7fc;
}

a { text-decoration: none; }

.zf-topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}
.zf-topbar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: .7rem 1rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  align-items: center;
}
.zf-brand { display: flex; align-items: center; gap: .55rem; color: #12163a; font-weight: 800; font-size: 1.9rem; }
.zf-brand-badge { width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center; color: #fff; background: linear-gradient(135deg, var(--primary), var(--primary-2)); font-size: .95rem; }
.zf-main-nav { display: flex; gap: .6rem; align-items: center; }
.zf-main-nav a, .zf-tools-dd summary { color: #374151; font-size: .9rem; padding: .45rem .65rem; border-radius: 9px; }
.zf-main-nav a:hover, .zf-tools-dd summary:hover { background: #f1eeff; }
.zf-main-nav a.active-nav,
.zf-mobile-menu a.active-nav,
.zf-tools-dd summary.active-nav,
.zf-tools-menu a.active-nav {
  color: #6d28d9 !important;
  font-weight: 800;
  font-size: 1rem;
  background: #efe9ff;
}
.zf-tools-dd summary { list-style: none; cursor: pointer; }
.zf-tools-dd summary::-webkit-details-marker { display:none; }
.zf-tools-menu { position: absolute; background: #fff; border: 1px solid var(--line); padding: .45rem; border-radius: 12px; box-shadow: var(--card-shadow); min-width: 280px; }
.zf-tools-menu a { display: block; padding: .45rem .55rem; border-radius: 8px; color: #374151; }
.zf-tools-menu a:hover { background: #f5f1ff; }
.zf-top-actions { display: flex; gap: .55rem; align-items: center; }
.zf-search { border: 1px solid var(--line); border-radius: 12px; padding: .55rem .7rem; width: 220px; }
.zf-lang, .zf-icon-btn, .zf-fav-btn { border: 1px solid var(--line); background: #fff; border-radius: 11px; padding: .5rem .65rem; }
.zf-fav-btn { color: var(--primary); font-weight: 700; }

.app-shell { min-height: 100vh; display: flex; flex-direction: column; }
.main-content { flex: 1 0 auto; width: 100%; max-width: 1280px; margin: 0 auto; padding: 1rem; }

.zf-hero {
  background: linear-gradient(145deg, #fbfbff 0%, #f3f8ff 48%, #fff7f1 100%);
  border: 1px solid #ece6ff;
  border-radius: 28px;
  box-shadow: var(--card-shadow);
  overflow: hidden;
}
.zf-hero-inner {
  padding: 2.5rem 2rem;
  display: block;
  text-align: center;
}
.zf-hero-copy { max-width: 880px; margin: 0 auto; }
.zf-kicker { color: #5a6283; font-size: .86rem; margin: 0 0 .6rem; }
.zf-hero h1 { margin: 0; font-size: clamp(1.8rem, 4vw, 3.2rem); line-height: 1.15; }
.zf-hero h1 span { color: var(--primary); }
.zf-hero-sub { color: #626b86; max-width: 700px; margin: .9rem auto 1.2rem; }
.zf-hero-input-row { display: flex; gap: .6rem; max-width: 760px; margin: 0 auto; }
.zf-hero-input { flex: 1; border: 1px solid var(--line); border-radius: 14px; padding: .85rem .95rem; }
.zf-hero-btn { background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff; font-weight: 700; border-radius: 12px; padding: .85rem 1.4rem; }
.zf-chips { margin-top: .9rem; display: flex; justify-content: center; gap: .45rem; flex-wrap: wrap; }
.zf-chips span, .zf-chips a { background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: .35rem .65rem; color: #5d6582; font-size: .8rem; }

.zf-tool-slider {
  position: relative;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  margin-bottom: 1rem;
  overflow: hidden;
  padding: 1rem;
  border-radius: 24px;
  border: 0;
  border-top: 1px solid #ddd6fe;
  border-bottom: 1px solid #ddd6fe;
  background: #fff;
  box-shadow: 0 8px 22px rgba(25, 19, 77, .08);
}
.zf-slider-track {
  display: flex;
  max-width: 1280px;
  margin: 0 auto;
}
.zf-slide-card {
  width: 100%;
  min-height: min(720px, 78vh);
  flex: 0 0 100%;
  overflow: hidden;
  border-radius: 24px;
  color: #162036;
  background: linear-gradient(180deg, #ffffff, #f8fafc);
  border: 1px solid #ddd6fe;
  box-shadow: 0 14px 34px rgba(30, 24, 88, .16);
}
.zf-slide-card img {
  width: 100%;
  height: min(610px, 66vh);
  display: block;
  object-fit: contain;
  background: #f8fafc;
  padding: .6rem;
  border-radius: 24px 24px 0 0;
}
.zf-slide-copy {
  display: grid;
  gap: .25rem;
  max-width: 1280px;
  margin: 0 auto;
  padding: .78rem 1rem .9rem;
  text-align: center;
}
.zf-slide-copy strong {
  font-size: 1rem;
  color: #111827;
}
.zf-slide-copy span {
  color: #64748b;
  font-size: .84rem;
  line-height: 1.35;
}
.zf-slider-btn {
  position: absolute;
  top: 50%;
  width: 44px;
  height: 44px;
  transform: translateY(-50%);
  border: 1px solid rgba(124, 58, 237, .28);
  border-radius: 999px;
  background: rgba(255, 255, 255, .9);
  color: #4c1d95;
  font-size: 2rem;
  line-height: 1;
  display: grid;
  place-items: center;
  box-shadow: 0 8px 22px rgba(25, 19, 77, .16);
}
.zf-slider-prev { left: max(1rem, calc((100vw - 1280px) / 2 + 1rem)); }
.zf-slider-next { right: max(1rem, calc((100vw - 1280px) / 2 + 1rem)); }
.zf-slider-dots {
  display: flex;
  justify-content: center;
  gap: .45rem;
  margin-top: .75rem;
}
.zf-slider-dots button {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  border: 1px solid #a78bfa;
  background: #ede9fe;
  padding: 0;
}
.zf-slider-dots button.active {
  width: 28px;
  background: #7c3aed;
  border-color: #7c3aed;
}

.zf-tools-grid { margin-top: 1rem; display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 1rem; }
.zf-tool-card {
  position: relative;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1rem;
  color: #162036;
  box-shadow: 0 8px 22px rgba(25, 19, 77, .08);
}
.zf-tool-card::after {
  content: "";
  position: absolute;
  top: -28px;
  right: -28px;
  width: 88px;
  height: 88px;
  border-radius: 24px;
  background: rgba(124,58,237,.11);
  transform: rotate(18deg);
}
.zf-tool-card:nth-child(2n)::after { background: rgba(20,184,166,.13); }
.zf-tool-card:nth-child(3n)::after { background: rgba(249,115,22,.13); }
.zf-tool-card:nth-child(4n)::after { background: rgba(14,165,233,.13); }
.zf-tool-icon {
  position: relative;
  z-index: 1;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #f1ebff, #e0f7f4);
  color: var(--primary);
  font-weight: 800;
  margin-bottom: .65rem;
  border: 1px solid rgba(124,58,237,.15);
}
.zf-tool-card:nth-child(3n) .zf-tool-icon { background: linear-gradient(135deg, #fff1e8, #eef6ff); color: #c2410c; }
.zf-tool-card:nth-child(4n) .zf-tool-icon { background: linear-gradient(135deg, #e8f7ff, #fff7ed); color: #0369a1; }
.zf-tool-card h3 { margin: 0 0 .4rem; font-size: 1rem; }
.zf-tool-card p { margin: 0 0 .7rem; color: #6a738f; font-size: .88rem; }
.zf-try { color: var(--primary); font-weight: 700; font-size: .86rem; }
.zf-blog-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:1rem; }
.zf-blog-card { background:#fff; border:1px solid var(--line); border-radius:14px; padding:1rem; box-shadow:0 8px 20px rgba(30,24,88,.08); }
.zf-blog-cover { width:100%; height:180px; object-fit:cover; border-radius:10px; margin-bottom:.7rem; border:1px solid #ddd6fe; }
.zf-blog-card h3 { margin:.2rem 0 .45rem; }
.zf-blog-link { color:inherit; text-decoration:none; display:block; }

.zf-admin-grid { display:grid; grid-template-columns:1.1fr .9fr; gap:1rem; }
.zf-admin-form { display:flex; flex-direction:column; gap:.55rem; }
.zf-admin-form label { font-weight:700; color:#312e81; font-size:.9rem; }
.zf-admin-actions { display:flex; gap:.55rem; margin-top:.35rem; }
.zf-btn-muted { background:#ede9fe; color:#4c1d95; border:1px solid #c4b5fd; }
.zf-btn-danger { background:#fee2e2; color:#991b1b; border:1px solid #fecaca; }
.zf-btn-small { padding:.36rem .65rem; font-size:.82rem; }
.zf-check { display:flex; align-items:center; gap:.45rem; font-weight:600; }
.zf-admin-list { display:flex; flex-direction:column; gap:.65rem; margin-top:.55rem; }
.zf-admin-item { display:flex; justify-content:space-between; gap:.7rem; align-items:center; background:#fff; border:1px solid #ddd6fe; border-radius:12px; padding:.7rem .8rem; }
.zf-admin-item-actions { display:flex; gap:.45rem; }

.zf-stats { margin-top: 1rem; border-radius: 18px; padding: 1rem; background: linear-gradient(135deg, #1f155a, #32208f); color: #fff; display: grid; grid-template-columns: repeat(4,1fr); gap: .8rem; }
.zf-stats div { text-align: center; }
.zf-stats strong { display:block; font-size:1.45rem; }
.zf-stats span { color: #cfd2ff; font-size: .86rem; }

.zf-tool-layout { display: grid; grid-template-columns: 230px 1fr 260px; gap: 1rem; }
.zf-left-tools, .zf-tool-main, .zf-right-rail .panel { background: #fff; border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 8px 25px rgba(30, 24, 88, .08); }
.zf-left-tools { padding: .8rem; position: sticky; top: 74px; height: fit-content; }
.zf-left-tools h4 { margin: .2rem .2rem .55rem; color: #65708f; font-size: .86rem; }
.zf-left-tools a { display:block; color:#34405f; border-radius:10px; padding:.52rem .6rem; font-size:.9rem; }
.zf-left-tools a.active, .zf-left-tools a:hover { background:#f1ecff; color:#3e2ca4; }
.zf-tool-main { padding: 1rem; }
.zf-tool-main h1 { margin: 0 0 .35rem; font-size: 2rem; }
.muted { color: var(--muted); }
.input, textarea, select { width: 100%; border: 1px solid var(--line); border-radius: 12px; padding: .75rem .8rem; font: inherit; }

.zf-font-list { margin-top: .8rem; display: grid; gap: .55rem; }
.zf-font-row { border: 1px solid var(--line); border-radius: 12px; padding: .62rem .7rem; display:flex; align-items:center; justify-content:space-between; gap: .7rem; }
.zf-font-preview { font-size: 1.04rem; word-break: break-word; }
.zf-copy-btn { background: #f1ebff; border: 1px solid #a78bfa; color: #4a31bf; border-radius: 10px; padding: .43rem .8rem; font-weight: 700; }
.zf-copy-toast { background: #ecfeff; border:1px solid #a5f3fc; color:#155e75; border-radius: 12px; padding: .6rem .75rem; margin:.65rem 0; }
.zf-right-rail { display: grid; gap: .8rem; height: fit-content; }
.zf-right-rail .panel { padding: .9rem; }

.zf-emoji-cats { display:flex; gap:.45rem; flex-wrap:wrap; margin-top:.75rem; }
.zf-emoji-cats button { border:1px solid var(--line); background:#fff; border-radius:999px; padding:.34rem .65rem; font-size:.8rem; }
.zf-emoji-cats button.active { background:#efe9ff; color:#472dbb; border-color:#d7caff; }
.zf-emoji-grid { margin-top:.8rem; display:grid; grid-template-columns:repeat(auto-fill,minmax(44px,1fr)); gap:.45rem; }
.zf-emoji-btn {
  border:1px solid var(--line);
  background:#fff;
  border-radius:10px;
  min-height:42px;
  font-size:1.32rem;
  line-height:1;
  font-family: emoji, "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", "Segoe UI Symbol", sans-serif;
  text-rendering: optimizeLegibility;
}
.zf-cat-list { list-style:none; padding:0; margin:0; display:grid; gap:.45rem; }
.zf-cat-list li { font-size:.86rem; color:#5c6686; }

@media (max-width: 1120px) {
  .zf-topbar-inner {
    direction: ltr;
    grid-template-columns: minmax(0,1fr) auto auto;
    justify-content: start;
    gap: .55rem;
  }
  .zf-main-nav { flex-wrap: wrap; }
  .zf-tool-layout { grid-template-columns: 1fr; }
  .zf-left-tools, .zf-right-rail { position: static; }
  .zf-tools-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .zf-slide-card { min-height: min(610px, 72vh); border-radius: 20px; }
  .zf-slide-card img { height: min(510px, 60vh); }
}
@media (max-width: 700px) {
  .zf-search { width: 100%; }
  .zf-top-actions { flex-wrap: wrap; }
  .zf-hero-input-row { flex-direction: column; }
  .zf-tools-grid { grid-template-columns: 1fr; }
  .zf-stats { grid-template-columns: repeat(2,1fr); }
  .zf-blog-grid, .zf-admin-grid { grid-template-columns:1fr; }
  .zf-hero-inner { padding: 1.2rem; }
  .zf-tool-slider { padding: .7rem; border-radius: 18px; }
  .zf-slide-card { min-height: min(440px, 68vh); border-radius: 18px; }
  .zf-slide-card img { height: min(340px, 52vh); }
  .zf-slider-btn { width: 36px; height: 36px; font-size: 1.55rem; }
  .zf-slider-prev { left: .85rem; }
  .zf-slider-next { right: .85rem; }
}

.desktop-only { display: flex; }
.mobile-only { display: none; }

.zf-footer {
  margin-top: 2rem;
  background: linear-gradient(145deg, #0b1120, #151e35);
  color: #d8def2;
  border-top: 1px solid rgba(255,255,255,.08);
}
.zf-footer-grid {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.6rem 1rem 1rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 1rem;
}
.zf-footer h4 { margin: 0 0 .6rem; color:#fff; }
.zf-footer a { color: #d8def2; display:block; margin-bottom:.38rem; font-size:.9rem; }
.zf-footer p { color:#b7c0db; font-size:.9rem; line-height:1.6; }
.zf-socials { display:flex; flex-wrap:wrap; gap:.45rem; margin-top:.7rem; }
.zf-socials a { display:inline-flex; align-items:center; justify-content:center; width:2rem; height:2rem; margin:0; border:1px solid rgba(255,255,255,.28); border-radius:999px; color:#eef2ff; font-size:.95rem; font-weight:700; text-decoration:none; background:rgba(255,255,255,.06); }
.zf-socials a:hover { background:rgba(255,255,255,.16); transform:translateY(-1px); }
.zf-social-icon { width:1rem; height:1rem; fill:currentColor; }
.zf-footer-mail { display:block; margin-top:.65rem; color:#ffffff !important; font-weight:600; text-decoration:none; }
.zf-newsletter { display:flex; border:1px solid rgba(255,255,255,.16); border-radius:12px; overflow:hidden; margin-top:.5rem; }
.zf-newsletter input { flex:1; border:0; background:transparent; color:#fff; padding:.55rem .65rem; }
.zf-newsletter button { border:0; background:#7c3aed; color:#fff; padding:.55rem .75rem; }
.zf-footer-bottom { text-align:center; padding:.8rem 1rem 1rem; font-size:.85rem; color:#a8b3d6; }

[data-theme="dark"] body {
  background: radial-gradient(1000px 460px at 10% -10%, #1c1f3f, transparent), #090f1b;
  color: #e6eaf8;
}
[data-theme="dark"] .zf-topbar,
[data-theme="dark"] .zf-tool-card,
[data-theme="dark"] .zf-tool-main,
[data-theme="dark"] .zf-left-tools,
[data-theme="dark"] .zf-right-rail .panel,
[data-theme="dark"] .zf-hero,
[data-theme="dark"] .panel {
  background: #121a2d !important;
  border-color: #6d28d9 !important;
  color: #e6eaf8 !important;
}
[data-theme="dark"] .muted,
[data-theme="dark"] .zf-tool-card p,
[data-theme="dark"] .zf-left-tools h4,
[data-theme="dark"] .zf-cat-list li {
  color: #9badcf !important;
}

@media (max-width: 1120px) {
  .desktop-only { display: none !important; }
  .mobile-only { display: block; }
  .zf-brand { font-size: 1.45rem; }
  .zf-brand { order: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .zf-mobile-toggle {
    order: 2;
    border:1px solid var(--line);
    background:#fff;
    border-radius:10px;
    padding:.45rem .6rem;
    min-width: 42px;
    height: 42px;
  }
  .zf-mobile-lang {
    order: 3;
    width: auto;
    min-width: 108px;
    max-width: 122px;
    height: 42px;
    padding: .45rem .5rem;
    font-size: .88rem;
  }
  .zf-mobile-menu { border-top:1px solid var(--line); background:#fff; display:grid; gap:.2rem; padding:.7rem 1rem 1rem; }
  .zf-mobile-menu a { color:#2b3553; padding:.45rem .5rem; border-radius:8px; }
  .zf-mobile-menu a:hover { background:#f3edff; }
  .zf-mobile-controls { display:flex; gap:.5rem; margin-top:.5rem; }
  .zf-footer-grid { grid-template-columns:1fr 1fr; }
}
@media (max-width: 700px) {
  .zf-topbar-inner { grid-template-columns: minmax(0,1fr) auto auto; }
  .zf-brand { font-size: 1.2rem; }
  .zf-brand-badge { width: 30px; height: 30px; }
  .zf-mobile-lang { min-width: 92px; max-width: 102px; font-size: .82rem; }
  .zf-footer-grid { grid-template-columns:1fr; }
}