/* ============================================================================
   layout.css — sahifa tuzilishi: yuqori panel, yon menyu, asosiy qism, bosh sahifa
   ============================================================================ */

/* ---------- Yuqori panel (topbar) ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 60;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding: 0 var(--sp-5);
  background: var(--glass);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--border);
}

.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; flex: 0 0 auto; }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 36px; height: 36px; border-radius: 11px;
  background: var(--grad); color: #fff;
  display: grid; place-items: center;
  box-shadow: 0 6px 18px rgba(99, 102, 241, .38);
  font-size: 18px;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-size: 1.06rem; letter-spacing: -.02em; }
.brand-text small { color: var(--muted); font-size: .7rem; }

.search {
  position: relative;
  flex: 1 1 auto;
  max-width: 460px;
  margin: 0 auto;
  display: flex;
  align-items: center;
}
.search .search-ico {
  position: absolute; left: 12px; color: var(--muted); font-size: 17px; pointer-events: none;
}
.search input {
  width: 100%;
  padding: 9px 74px 9px 38px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.search input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(99, 102, 241, .16); }
.search input::-webkit-search-cancel-button { display: none; }
.search-kbd {
  position: absolute; right: 40px; top: 50%; transform: translateY(-50%);
  font-size: .68rem; color: var(--muted);
  border: 1px solid var(--border-2); border-radius: 6px; padding: 1px 6px;
  background: var(--surface-3);
}
.search-clear { position: absolute; right: 8px; color: var(--muted); padding: 6px; border-radius: 50%; font-size: 14px; }
.search-clear:hover { color: var(--text); background: var(--surface-3); }

.topbar-actions { display: flex; align-items: center; gap: var(--sp-2); margin-left: auto; flex: 0 0 auto; }

.icon-btn {
  width: 38px; height: 38px; border-radius: 11px;
  display: grid; place-items: center;
  color: var(--text-2);
  border: 1px solid transparent;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
  font-size: 18px;
}
.icon-btn:hover { background: var(--surface-2); color: var(--text); border-color: var(--border); }
.icon-btn.is-active { color: var(--primary); background: var(--surface-2); }

.lang-switch {
  display: flex; gap: 2px; padding: 3px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
}
.lang-switch button {
  padding: 5px 10px; border-radius: var(--radius-full);
  font-size: .74rem; font-weight: 700; letter-spacing: .03em;
  color: var(--muted);
  transition: all var(--t-fast);
}
.lang-switch button:hover { color: var(--text); }
.lang-switch button.is-active { background: var(--grad); color: #fff; box-shadow: 0 3px 10px rgba(99, 102, 241, .35); }

/* ---------- Umumiy karkas ---------- */
.shell {
  display: flex;
  align-items: flex-start;
  max-width: 1500px;
  margin: 0 auto;
  min-height: calc(100vh - var(--topbar-h));
}

/* ---------- Yon menyu (sidebar) ---------- */
.sidebar {
  position: sticky;
  top: var(--topbar-h);
  width: var(--sidebar-w);
  flex: 0 0 var(--sidebar-w);
  height: calc(100vh - var(--topbar-h));
  overflow-y: auto;
  padding: var(--sp-5) var(--sp-3) var(--sp-5) var(--sp-5);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.nav { display: flex; flex-direction: column; gap: 2px; }
.nav-group-title {
  font-size: .68rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase;
  color: var(--muted); padding: var(--sp-3) var(--sp-3) 6px;
}
.nav-link {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-2);
  font-size: .89rem; font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast);
  position: relative;
}
.nav-link:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.nav-link.is-active { background: var(--grad-soft); color: var(--text); font-weight: 600; }
.nav-link.is-active::before {
  content: ""; position: absolute; left: 0; top: 20%; bottom: 20%;
  width: 3px; border-radius: 3px; background: var(--grad);
}
.nav-link .ico { font-size: 17px; color: var(--muted); }
.nav-link.is-active .ico, .nav-link:hover .ico { color: var(--primary); }
.nav-count { margin-left: auto; font-size: .7rem; color: var(--muted); }
.sidebar-foot { margin-top: auto; padding: var(--sp-3) var(--sp-3) 0; border-top: 1px solid var(--border); }

.backdrop {
  position: fixed; inset: var(--topbar-h) 0 0; z-index: 40;
  background: rgba(0, 0, 0, .5); backdrop-filter: blur(2px);
  opacity: 0; pointer-events: none; transition: opacity var(--t);
}
.backdrop.is-open { opacity: 1; pointer-events: auto; }

/* ---------- Asosiy qism ---------- */
.main {
  flex: 1 1 auto; min-width: 0;
  padding: var(--sp-6) var(--sp-6) var(--sp-8);
  display: flex; flex-direction: column;
  gap: var(--sp-6);
}
.view-host { animation: fadeUp .28s both; }
.view-inner { max-width: var(--maxw); margin: 0 auto; width: 100%; display: flex; flex-direction: column; gap: var(--sp-6); }

/* ---------- Bosh sahifa: hero ---------- */
.hero {
  position: relative; overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(900px 380px at 12% -10%, rgba(99, 102, 241, .26), transparent 65%),
    radial-gradient(700px 340px at 92% 4%, rgba(20, 184, 166, .18), transparent 60%),
    var(--surface);
  padding: var(--sp-8) var(--sp-6);
  text-align: center;
}
.hero h1 { max-width: 760px; margin: 0 auto var(--sp-3); }
.hero .lead { color: var(--text-2); max-width: 620px; margin: 0 auto var(--sp-5); font-size: 1.02rem; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 5px 13px; margin-bottom: var(--sp-4);
  border-radius: var(--radius-full);
  background: var(--grad-soft); border: 1px solid var(--border-2);
  font-size: .78rem; font-weight: 600; color: var(--text-2);
}
.hero-stats { display: flex; justify-content: center; flex-wrap: wrap; gap: var(--sp-6); margin-top: var(--sp-5); }
.hero-stat { display: flex; flex-direction: column; gap: 2px; }
.hero-stat b { font-size: 1.5rem; letter-spacing: -.02em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-stat span { font-size: .76rem; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }

/* ---------- Bosh sahifa: bo'limlar va kartalar ---------- */
.section { display: flex; flex-direction: column; gap: var(--sp-4); }
.section-head { display: flex; align-items: center; gap: var(--sp-3); }
.section-head h2 { font-size: 1.1rem; }
.section-head .line { flex: 1; height: 1px; background: var(--border); }
.section-desc { color: var(--muted); font-size: .86rem; margin-top: -8px; }

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(238px, 1fr));
  gap: var(--sp-4);
}

.tool-card {
  position: relative;
  display: flex; flex-direction: column; gap: 8px;
  padding: var(--sp-4);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  cursor: pointer;
  text-align: left;
  color: inherit;
  transition: transform var(--t-fast), border-color var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
  min-height: 128px;
}
.tool-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-2);
  box-shadow: var(--shadow);
  text-decoration: none;
}
.tool-card:hover .tool-card-icon { background: var(--grad); color: #fff; }
.tool-card-icon {
  width: 40px; height: 40px; border-radius: 11px;
  display: grid; place-items: center;
  background: var(--surface-3); color: var(--primary);
  font-size: 20px;
  transition: background var(--t), color var(--t);
}
.tool-card-title { font-weight: 650; font-size: .96rem; }
.tool-card-desc { color: var(--muted); font-size: .82rem; line-height: 1.45; }
.tool-card-foot { margin-top: auto; display: flex; align-items: center; gap: 6px; font-size: .72rem; color: var(--muted); }
.tool-card .fav-btn {
  position: absolute; top: 10px; right: 10px;
  width: 28px; height: 28px; border-radius: 50%;
  display: grid; place-items: center;
  color: var(--muted); opacity: 0; font-size: 15px;
  transition: opacity var(--t-fast), color var(--t-fast), background var(--t-fast);
}
.tool-card:hover .fav-btn, .tool-card .fav-btn.is-on { opacity: 1; }
.tool-card .fav-btn:hover { background: var(--surface-3); color: var(--warn); }
.tool-card .fav-btn.is-on { color: var(--warn); }

/* ---------- Vosita sahifasi (tool view) ---------- */
.tool-head { display: flex; flex-direction: column; gap: var(--sp-3); }
.crumbs { display: flex; align-items: center; gap: 8px; font-size: .82rem; color: var(--muted); }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--text); }
.tool-head-row { display: flex; align-items: flex-start; gap: var(--sp-4); flex-wrap: wrap; }
.tool-head-icon {
  width: 52px; height: 52px; border-radius: 15px; flex: 0 0 auto;
  background: var(--grad); color: #fff; display: grid; place-items: center; font-size: 26px;
  box-shadow: 0 8px 22px rgba(99, 102, 241, .32);
}
.tool-head-text { flex: 1 1 260px; min-width: 0; }
.tool-head-text p { color: var(--muted); font-size: .9rem; }
.tool-body { display: flex; flex-direction: column; gap: var(--sp-5); }

/* ---------- Kolontitul ---------- */
.site-foot {
  max-width: var(--maxw); margin: 0 auto; width: 100%;
  padding-top: var(--sp-5);
  border-top: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  color: var(--muted); font-size: .8rem;
}

/* ---------- Moslashuvchan (responsive) ---------- */
.only-mobile { display: none; }

@media (max-width: 1080px) {
  .sidebar {
    position: fixed; left: 0; top: var(--topbar-h); z-index: 50;
    background: var(--bg-2);
    transform: translateX(-102%);
    transition: transform var(--t);
    box-shadow: var(--shadow-lg);
    padding-left: var(--sp-4);
  }
  .sidebar.is-open { transform: none; }
  .only-mobile { display: grid; }
  .search { max-width: none; }
}

@media (max-width: 720px) {
  :root { --topbar-h: 58px; }
  .topbar { padding: 0 var(--sp-3); gap: var(--sp-2); }
  .brand-text small { display: none; }
  .search-kbd { display: none; }
  .search input { padding-right: 36px; }
  .main { padding: var(--sp-4) var(--sp-4) var(--sp-7); }
  .hero { padding: var(--sp-6) var(--sp-4); }
  .tool-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: var(--sp-3); }
  .tool-card { min-height: 112px; padding: var(--sp-3); }
  .hero-stats { gap: var(--sp-4); }
  .tool-head-icon { width: 44px; height: 44px; font-size: 22px; }
}

@media (max-width: 420px) {
  .lang-switch button { padding: 5px 7px; }
  .tool-grid { grid-template-columns: 1fr 1fr; }
}