/* =====================================================================
   ForumForge — core styles (forum + shared). Theme colours come from
   CSS variables injected per theme: --bg --bg2 --surface --border
   --text --muted --c1 --c2 --c3 --c4
   ===================================================================== */

:root {
  --bg: #070b1a; --bg2: #141b3d; --surface: #121a35; --border: #2a3460;
  --text: #e8ecff; --muted: #8f9bc4;
  --c1: #22d3ee; --c2: #a78bfa; --c3: #f472b6; --c4: #fbbf24;
  --ok: #34d399; --danger: #fb7185; --warn: #fbbf24;

  --glass: color-mix(in srgb, var(--surface) 74%, transparent);
  --glass-2: color-mix(in srgb, var(--surface) 92%, transparent);
  --line: color-mix(in srgb, var(--border) 85%, transparent);
  --soft: color-mix(in srgb, var(--text) 6%, transparent);
  --grad: linear-gradient(120deg, var(--c1), var(--c2) 35%, var(--c3) 68%, var(--c4));
  --grad-2: linear-gradient(135deg, var(--c1), var(--c2));
  --radius: 20px; --radius-sm: 13px;
  --shadow: 0 18px 50px -22px rgb(0 0 0 / .65);
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-d: 'Space Grotesk', var(--font);
  --ease: cubic-bezier(.2, .8, .2, 1);
  color-scheme: dark;
}
html[data-mode="light"] { color-scheme: light; --shadow: 0 16px 40px -24px rgb(30 40 90 / .35); --soft: color-mix(in srgb, var(--text) 5%, transparent); }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; min-height: 100vh; font: 15px/1.6 var(--font); color: var(--text); overflow-x: hidden;
  background:
    radial-gradient(60vw 50vh at 8% -5%, color-mix(in srgb, var(--c2) 22%, transparent), transparent 70%),
    radial-gradient(50vw 50vh at 100% 10%, color-mix(in srgb, var(--c1) 16%, transparent), transparent 70%),
    radial-gradient(60vw 60vh at 50% 110%, color-mix(in srgb, var(--c3) 14%, transparent), transparent 70%),
    linear-gradient(180deg, var(--bg), color-mix(in srgb, var(--bg2) 60%, var(--bg)));
  background-attachment: fixed;
}
body.modal-open { overflow: hidden; }
a { color: var(--c1); text-decoration: none; transition: color .2s; }
a:hover { color: var(--c3); }
img { max-width: 100%; }
code, pre { font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
h1, h2, h3, h4 { font-family: var(--font-d); letter-spacing: -.01em; line-height: 1.2; margin: 0 0 .4em; }
::selection { background: color-mix(in srgb, var(--c2) 45%, transparent); }
:focus-visible { outline: 2px solid var(--c1); outline-offset: 2px; border-radius: 6px; }

/* scrollbars */
* { scrollbar-width: thin; scrollbar-color: color-mix(in srgb, var(--c2) 50%, transparent) transparent; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: linear-gradient(var(--c1), var(--c2)); border-radius: 10px; border: 3px solid transparent; background-clip: padding-box; }

/* ------------------------------------------------------------- 3D canvas */
#bg3d { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; opacity: 0; transition: opacity 1.4s ease; }
#bg3d.on { opacity: .9; }
html[data-mode="light"] #bg3d.on { opacity: .55; }
.app-admin #bg3d.on { opacity: .35; }
.bg-orbs { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.bg-orbs i { position: absolute; width: 42vmax; height: 42vmax; border-radius: 50%; filter: blur(80px); opacity: .18; animation: orb 26s ease-in-out infinite alternate; }
.bg-orbs i:nth-child(1) { background: var(--c1); top: -18vmax; left: -10vmax; }
.bg-orbs i:nth-child(2) { background: var(--c3); bottom: -20vmax; right: -12vmax; animation-delay: -8s; }
.bg-orbs i:nth-child(3) { background: var(--c2); top: 30%; left: 45%; width: 28vmax; height: 28vmax; animation-delay: -16s; opacity: .12; }
@keyframes orb { to { transform: translate3d(6vmax, 4vmax, 0) scale(1.15); } }
#app { position: relative; z-index: 1; }

.boot-screen { min-height: 100vh; display: grid; place-content: center; gap: 22px; justify-items: center; }
.boot-logo { width: 64px; height: 64px; border-radius: 18px; background: var(--grad); background-size: 300% 300%; animation: hue 4s linear infinite, float 3s ease-in-out infinite; box-shadow: 0 0 60px color-mix(in srgb, var(--c2) 60%, transparent); transform: rotate(45deg); }
.noscript { padding: 20px; text-align: center; }

/* ------------------------------------------------------------- utilities */
.glass { background: var(--glass); border: 1px solid var(--line); border-radius: var(--radius); backdrop-filter: blur(18px) saturate(150%); -webkit-backdrop-filter: blur(18px) saturate(150%); box-shadow: var(--shadow); }
.grad-text { background: var(--grad); background-size: 220% 100%; -webkit-background-clip: text; background-clip: text; color: transparent; animation: hue 9s ease-in-out infinite alternate; }
@keyframes hue { 0% { background-position: 0% 50%; } 100% { background-position: 100% 50%; } }
@keyframes float { 50% { transform: translateY(-8px) rotate(45deg); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--ok) 70%, transparent); } 100% { box-shadow: 0 0 0 10px transparent; } }
@keyframes flash { 0%, 100% { box-shadow: var(--shadow); } 30% { box-shadow: 0 0 0 3px var(--c1), 0 0 40px color-mix(in srgb, var(--c1) 50%, transparent); } }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.center { text-align: center; }
.right { text-align: right; display: block; }
.grow { flex: 1 1 auto; min-width: 0; }
.pad { padding: 18px 20px; margin: 0; }
.pad-sm { padding: 6px 4px; }
.mt { margin-top: 22px; }
.row-end { display: flex; align-items: center; justify-content: flex-end; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.row-gap { display: flex; align-items: center; gap: 8px; }
.row-gap.wrap { flex-wrap: wrap; }
.ok-text { color: var(--ok); } .warn-text { color: var(--warn); } .danger-text { color: var(--danger); }
.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.loader-wrap { display: grid; place-items: center; padding: 70px 0; }
.spinner { width: 42px; height: 42px; border-radius: 50%; border: 3px solid transparent; border-top-color: var(--c1); border-right-color: var(--c2); border-bottom-color: var(--c3); animation: spin .9s linear infinite; }

/* --------------------------------------------------------------- buttons */
.btn {
  --b: var(--soft); position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 18px; border-radius: 999px; border: 1px solid var(--line); background: var(--b); color: var(--text);
  font: 600 14px/1.1 var(--font); cursor: pointer; white-space: nowrap; overflow: hidden; isolation: isolate;
  transition: transform .2s var(--ease), box-shadow .25s, border-color .2s, background .2s, opacity .2s;
}
.btn:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--c1) 60%, var(--border)); color: var(--text); }
.btn:active { transform: translateY(0) scale(.98); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.btn.primary { border: 0; color: #fff; background: var(--grad); background-size: 200% 100%; box-shadow: 0 10px 30px -10px color-mix(in srgb, var(--c2) 80%, transparent); text-shadow: 0 1px 2px rgb(0 0 0 / .25); }
.btn.primary::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(110deg, transparent 30%, rgb(255 255 255 / .35) 50%, transparent 70%); transform: translateX(-120%); transition: transform .7s var(--ease); }
.btn.primary:hover { background-position: 100% 0; box-shadow: 0 14px 40px -10px color-mix(in srgb, var(--c3) 80%, transparent); }
.btn.primary:hover::after { transform: translateX(120%); }
.btn.ghost { background: transparent; }
.btn.danger { border: 0; color: #fff; background: linear-gradient(135deg, #f43f5e, #f97316); }
.btn.danger.ghost { background: transparent; color: var(--danger); border: 1px solid color-mix(in srgb, var(--danger) 45%, transparent); }
.btn.sm { padding: 7px 13px; font-size: 13px; }
.btn.lg { padding: 13px 24px; font-size: 15px; }
.btn.block { width: 100%; }
.icon-btn { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; border: 1px solid transparent; background: transparent; color: var(--muted); cursor: pointer; font-size: 15px; transition: .2s; flex: 0 0 auto; }
.icon-btn:hover { color: var(--text); background: var(--soft); border-color: var(--line); }

/* ---------------------------------------------------------------- inputs */
.input {
  width: 100%; padding: 11px 14px; border-radius: var(--radius-sm); border: 1px solid var(--line); background: color-mix(in srgb, var(--bg) 55%, transparent);
  color: var(--text); font: 15px/1.4 var(--font); transition: border-color .2s, box-shadow .2s, background .2s; appearance: none;
}
select.input { background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 18px) 55%, calc(100% - 13px) 55%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 34px; }
select.input option { background: var(--surface); color: var(--text); }
.input:focus { outline: 0; border-color: var(--c1); box-shadow: 0 0 0 4px color-mix(in srgb, var(--c1) 18%, transparent); background: color-mix(in srgb, var(--bg) 75%, transparent); }
.input.sm { padding: 7px 12px; font-size: 13px; width: auto; }
.input.lg { font-size: 17px; padding: 13px 16px; }
.input.mono { font-family: ui-monospace, Consolas, monospace; font-size: 13px; }
textarea.input { resize: vertical; min-height: 44px; }
.field { display: flex; flex-direction: column; gap: 6px; margin: 0 0 14px; }
.field > span { font-size: 13px; font-weight: 600; color: color-mix(in srgb, var(--text) 85%, var(--muted)); }
.color-input { width: 42px; height: 34px; border: 1px solid var(--line); border-radius: 10px; background: transparent; padding: 2px; cursor: pointer; }
.swatches { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.swatch { width: 30px; height: 30px; border-radius: 50%; border: 2px solid transparent; cursor: pointer; transition: transform .2s; box-shadow: inset 0 0 0 2px rgb(0 0 0 / .15); }
.swatch:hover { transform: scale(1.12); }
.swatch.on { border-color: var(--text); transform: scale(1.12); }
.meter { display: flex; gap: 4px; margin-top: 4px; }
.meter i { flex: 1; height: 5px; border-radius: 5px; background: var(--soft); transition: background .3s; }
.meter i.on:nth-child(1) { background: #f43f5e; } .meter i.on:nth-child(2) { background: #f97316; } .meter i.on:nth-child(3) { background: #fbbf24; }
.meter i.on:nth-child(4) { background: #a3e635; } .meter i.on:nth-child(5) { background: #34d399; }

/* switch */
.switch-row { display: flex; align-items: center; gap: 12px; cursor: pointer; margin: 10px 0; user-select: none; }
.switch-row input { position: absolute; opacity: 0; pointer-events: none; }
.switch { position: relative; flex: 0 0 auto; width: 44px; height: 24px; border-radius: 99px; background: var(--soft); border: 1px solid var(--line); transition: background .25s; }
.switch::after { content: ""; position: absolute; top: 2px; left: 2px; width: 18px; height: 18px; border-radius: 50%; background: var(--muted); transition: transform .3s var(--ease), background .3s; }
.switch-row input:checked + .switch { background: var(--grad-2); border-color: transparent; }
.switch-row input:checked + .switch::after { transform: translateX(20px); background: #fff; }
.switch-row input:focus-visible + .switch { outline: 2px solid var(--c1); outline-offset: 2px; }
.switch-row span small { display: block; }

/* ------------------------------------------------------------ tags/roles */
.tag, .style-tag, .pill { display: inline-flex; align-items: center; gap: 4px; padding: 2px 10px; border-radius: 99px; font-size: 12px; font-weight: 600; border: 1px solid var(--line); background: var(--soft); color: var(--text); white-space: nowrap; }
.style-tag { background: linear-gradient(135deg, color-mix(in srgb, var(--fc1, var(--c1)) 25%, transparent), color-mix(in srgb, var(--fc2, var(--c2)) 25%, transparent)); border-color: color-mix(in srgb, var(--fc1, var(--c1)) 40%, transparent); }
.tag.pin { color: var(--c4); border-color: color-mix(in srgb, var(--c4) 45%, transparent); }
.tag.lock { color: var(--muted); }
.tag.ok, .pill.ok { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 45%, transparent); background: color-mix(in srgb, var(--ok) 12%, transparent); }
.tag.danger, .pill.danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 45%, transparent); background: color-mix(in srgb, var(--danger) 12%, transparent); }
.tag.gold, .pill.warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 45%, transparent); background: color-mix(in srgb, var(--warn) 10%, transparent); }
.role { display: inline-block; padding: 1px 9px; border-radius: 99px; font-size: 11px; font-weight: 700; letter-spacing: .03em; text-transform: uppercase; vertical-align: middle; border: 1px solid var(--line); color: var(--muted); }
.role.r2 { color: #34d399; border-color: #34d39966; background: #34d3991a; }
.role.r3 { color: #f472b6; border-color: #f472b666; background: #f472b61a; }
.role.r4 { color: #111; border: 0; background: linear-gradient(135deg, #fde68a, #fbbf24, #f97316); }

/* ---------------------------------------------------------------- avatar */
.avatar { position: relative; flex: 0 0 auto; display: inline-grid; place-items: center; border-radius: 30%; color: #fff; font-weight: 800; font-family: var(--font-d);
  background: linear-gradient(135deg, var(--ac), color-mix(in srgb, var(--ac) 45%, #1e1b4b)); box-shadow: 0 6px 18px -6px var(--ac), inset 0 1px 0 rgb(255 255 255 / .25); text-shadow: 0 1px 2px rgb(0 0 0 / .3); }
.avatar img { width: 100%; height: 100%; object-fit: cover; border-radius: inherit; display: block; }
.avatar.pic { background: var(--surface); }
.avatar-edit { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.avatar-edit .avatar-actions { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.avatar-edit .row-gap { flex-wrap: wrap; }
.file-btn { position: relative; cursor: pointer; }
.file-btn input { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; }
.online-dot { position: absolute; right: -2px; bottom: -2px; width: 30%; height: 30%; max-width: 13px; max-height: 13px; border-radius: 50%; background: var(--ok); border: 2px solid var(--bg); }

/* ---------------------------------------------------------------- topbar */
.topbar { position: sticky; top: 0; z-index: 50; padding: 12px 16px 0; }
.topbar-inner { max-width: 1240px; margin: 0 auto; display: flex; align-items: center; gap: 18px; padding: 10px 14px 10px 18px; border-radius: 18px;
  background: var(--glass-2); border: 1px solid var(--line); backdrop-filter: blur(20px) saturate(160%); -webkit-backdrop-filter: blur(20px) saturate(160%); box-shadow: var(--shadow); position: relative; }
.topbar-inner::after { content: ""; position: absolute; left: 20px; right: 20px; bottom: -1px; height: 2px; background: var(--grad); border-radius: 2px; opacity: .8; }
.brand { display: flex; align-items: center; gap: 10px; font: 700 20px var(--font-d); white-space: nowrap; min-width: 0; }
.brand .grad-text { overflow: hidden; text-overflow: ellipsis; }
.brand-mark { width: 22px; height: 22px; border-radius: 7px; transform: rotate(45deg); background: var(--grad); background-size: 300% 300%; animation: hue 5s linear infinite alternate; box-shadow: 0 0 22px color-mix(in srgb, var(--c2) 70%, transparent); flex: 0 0 auto; }
.nav { display: flex; gap: 4px; }
.nav a { padding: 8px 14px; border-radius: 99px; color: var(--muted); font-weight: 600; font-size: 14px; transition: .2s; }
.nav a:hover { color: var(--text); background: var(--soft); }
.nav a.on { color: var(--text); background: linear-gradient(135deg, color-mix(in srgb, var(--c1) 22%, transparent), color-mix(in srgb, var(--c2) 22%, transparent)); }
.nav-admin { color: var(--c4) !important; }
.quick-search { margin-left: auto; }
.quick-search input { width: 190px; padding: 8px 14px; border-radius: 99px; border: 1px solid var(--line); background: var(--soft); color: var(--text); font: 14px var(--font); transition: width .3s var(--ease), border-color .2s; }
.quick-search input:focus { outline: 0; width: 250px; border-color: var(--c1); }
.nav-right { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.quick-search + .nav-right { margin-left: 0; }
.burger { display: none; }
.user-menu { position: relative; }
.user-btn { display: flex; align-items: center; gap: 9px; padding: 4px 10px 4px 4px; border-radius: 99px; border: 1px solid var(--line); background: var(--soft); color: var(--text); font: 600 14px var(--font); cursor: pointer; transition: .2s; }
.user-btn:hover { border-color: var(--c2); }
.caret { color: var(--muted); font-size: 11px; }
.dropdown { position: absolute; right: 0; top: calc(100% + 10px); min-width: 220px; padding: 8px; border-radius: 16px; background: var(--glass-2); border: 1px solid var(--line); backdrop-filter: blur(22px); box-shadow: var(--shadow); display: flex; flex-direction: column; z-index: 60; }
.dropdown a, .dropdown button { padding: 10px 12px; border-radius: 10px; color: var(--text); text-align: left; background: none; border: 0; font: 500 14px var(--font); cursor: pointer; }
.dropdown a:hover, .dropdown button:hover { background: var(--soft); color: var(--text); }
.dd-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 8px 12px 10px; border-bottom: 1px solid var(--line); margin-bottom: 6px; }
.notice-bar { max-width: 1240px; margin: 12px auto 0; padding: 10px 18px; border-radius: 14px; text-align: center; font-weight: 600; font-size: 14px;
  background: linear-gradient(120deg, color-mix(in srgb, var(--c1) 22%, transparent), color-mix(in srgb, var(--c2) 22%, transparent), color-mix(in srgb, var(--c3) 22%, transparent)); border: 1px solid var(--line); width: calc(100% - 32px); }
.notice-bar.danger { background: color-mix(in srgb, var(--danger) 18%, transparent); border-color: color-mix(in srgb, var(--danger) 40%, transparent); }

/* ------------------------------------------------------------- layout */
.container { max-width: 1240px; margin: 0 auto; padding: 22px 16px 40px; min-height: 70vh; }
.page.narrow { max-width: 860px; margin: 0 auto; }
.page-title { font-size: clamp(28px, 4vw, 40px); margin: 10px 0 18px; }
.sub-title { margin: 24px 0 10px; font-size: 18px; }
.site-foot { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; padding: 26px 16px 40px; color: var(--muted); font-size: 13px; }
.page-enter-active, .page-leave-active { transition: opacity .25s var(--ease), transform .3s var(--ease); }
.page-enter-from { opacity: 0; transform: translateY(12px); }
.page-leave-to { opacity: 0; transform: translateY(-6px); }
.pop-enter-active, .pop-leave-active { transition: opacity .18s, transform .22s var(--ease); }
.pop-enter-from, .pop-leave-to { opacity: 0; transform: translateY(-8px) scale(.97); }
.crumbs { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: 14px; color: var(--muted); margin: 4px 0 14px; }
.crumbs a { color: var(--muted); } .crumbs a:hover { color: var(--c1); }

/* ------------------------------------------------------------------ hero */
.hero { display: grid; grid-template-columns: 1.4fr 1fr; gap: 28px; align-items: center; padding: 34px 6px 30px; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; padding: 6px 14px; border-radius: 99px; font-size: 13px; font-weight: 600; background: var(--soft); border: 1px solid var(--line); }
.pulse { width: 9px; height: 9px; border-radius: 50%; background: var(--ok); animation: pulse 1.6s infinite; }
.hero-title { font-size: clamp(38px, 6.5vw, 74px); line-height: 1; margin: 16px 0 12px; font-weight: 700; letter-spacing: -.03em; }
.hero-sub { font-size: clamp(16px, 2vw, 19px); color: var(--muted); max-width: 560px; margin: 0 0 24px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.stat-chip { --sc: var(--c1); position: relative; padding: 20px 20px 18px; border-radius: 20px; background: var(--glass); border: 1px solid var(--line); backdrop-filter: blur(16px); overflow: hidden; animation: fadeUp .7s var(--ease) both; transition: transform .3s var(--ease); }
.stat-chip:hover { transform: translateY(-4px) rotate(-.5deg); }
.stat-chip::before { content: ""; position: absolute; inset: 0 0 auto; height: 3px; background: linear-gradient(90deg, var(--sc), transparent); }
.stat-chip::after { content: ""; position: absolute; width: 90px; height: 90px; right: -30px; top: -30px; border-radius: 50%; background: var(--sc); filter: blur(30px); opacity: .35; }
.stat-chip b { display: block; font: 700 32px var(--font-d); color: var(--sc); }
.stat-chip span { color: var(--muted); font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; }
.stat-chip.s2 { --sc: var(--c2); animation-delay: .08s; } .stat-chip.s3 { --sc: var(--c3); animation-delay: .16s; } .stat-chip.s4 { --sc: var(--c4); animation-delay: .24s; }

.layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 26px; align-items: start; }
.side-col { display: flex; flex-direction: column; gap: 16px; position: sticky; top: 96px; }
.side-card { padding: 18px; }
.side-card h4 { display: flex; align-items: center; gap: 9px; font-size: 15px; margin-bottom: 12px; }
.dot { width: 10px; height: 10px; border-radius: 50%; box-shadow: 0 0 12px currentColor; }
.dot.d1 { background: var(--c1); color: var(--c1); } .dot.d2 { background: var(--c2); color: var(--c2); } .dot.d3 { background: var(--c3); color: var(--c3); }
.online-list { display: flex; flex-wrap: wrap; gap: 8px; }
.online-user { transition: transform .2s; } .online-user:hover { transform: translateY(-3px) scale(1.06); }
.recent-item { display: flex; gap: 10px; padding: 9px 8px; border-radius: 12px; color: var(--text); transition: background .2s; align-items: flex-start; }
.recent-item:hover { background: var(--soft); color: var(--text); }
.recent-dot { width: 9px; height: 9px; border-radius: 3px; margin-top: 7px; flex: 0 0 auto; transform: rotate(45deg); }
.recent-text { min-width: 0; display: flex; flex-direction: column; }
.recent-title { font-weight: 600; font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.recent-item small, .list-item small { color: var(--muted); font-size: 12px; display: block; overflow: hidden; text-overflow: ellipsis; }
.newest { display: flex; gap: 12px; align-items: center; color: var(--text); }
.newest small { display: block; }

/* ----------------------------------------------------------- categories */
.category { margin-bottom: 30px; animation: fadeUp .6s var(--ease) both; }
.cat-head { display: flex; align-items: center; gap: 14px; margin: 0 4px 14px; }
.cat-head h2 { font-size: 21px; margin: 0; }
.cat-head p { margin: 2px 0 0; color: var(--muted); font-size: 14px; }
.cat-bar { width: 6px; align-self: stretch; min-height: 36px; border-radius: 6px; background: linear-gradient(180deg, var(--cat), color-mix(in srgb, var(--cat) 20%, transparent)); box-shadow: 0 0 18px var(--cat); flex: 0 0 auto; }
.forum-grid { display: grid; gap: 12px; }

.forum-card {
  --fc1: var(--c1); --fc2: var(--c2);
  position: relative; display: grid; grid-template-columns: auto minmax(0, 1fr) minmax(0, 250px); gap: 18px; align-items: center; padding: 18px 20px;
  border-radius: var(--radius); background: var(--glass); border: 1px solid var(--line); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  transition: transform .35s var(--ease), box-shadow .35s, border-color .3s; isolation: isolate; overflow: hidden;
}
.forum-card::before { content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0; transition: opacity .4s; background: linear-gradient(120deg, color-mix(in srgb, var(--fc1) 14%, transparent), transparent 45%, color-mix(in srgb, var(--fc2) 14%, transparent)); }
.forum-card::after { content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1.5px; z-index: -1; background: linear-gradient(135deg, var(--fc1), var(--fc2)); opacity: 0; transition: opacity .4s;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0); }
.forum-card:hover { transform: translateY(-3px); box-shadow: 0 22px 50px -24px color-mix(in srgb, var(--fc1) 70%, transparent); border-color: transparent; }
.forum-card:hover::before, .forum-card:hover::after { opacity: 1; }
.forum-icon { width: 58px; height: 58px; border-radius: 18px; display: grid; place-items: center; font-size: 28px; background: linear-gradient(135deg, var(--fc1), var(--fc2)); box-shadow: 0 10px 26px -10px var(--fc1), inset 0 1px 0 rgb(255 255 255 / .3); transition: transform .5s var(--ease); }
.forum-card:hover .forum-icon { transform: rotate(-8deg) scale(1.08); }
.forum-body h3 { font-size: 18px; margin: 0 0 3px; }
.forum-body h3 a { color: var(--text); }
.forum-body p { margin: 0 0 8px; color: var(--muted); font-size: 14px; }
.stretched::after { content: ""; position: absolute; inset: 0; z-index: 1; }
.raise { position: relative; z-index: 2; }
.forum-meta { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; font-size: 13px; color: var(--muted); }
.forum-meta b { color: var(--text); }
.forum-last { display: flex; gap: 10px; align-items: center; padding-left: 16px; border-left: 1px solid var(--line); min-width: 0; }
.forum-last-text { min-width: 0; display: flex; flex-direction: column; }
.forum-last a { color: var(--text); font-weight: 600; font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block; }
.forum-last a:hover { color: var(--fc1); }
.forum-last small { color: var(--muted); font-size: 12px; }

/* ------------------------------------------------------------ forum page */
.forum-hero { --fc1: var(--c1); --fc2: var(--c2); position: relative; display: flex; align-items: center; gap: 22px; padding: 28px; margin-bottom: 18px; border-radius: 26px; overflow: hidden; border: 1px solid var(--line);
  background: linear-gradient(120deg, color-mix(in srgb, var(--fc1) 28%, var(--surface)), color-mix(in srgb, var(--fc2) 22%, var(--surface))); box-shadow: var(--shadow); animation: fadeUp .5s var(--ease) both; }
.forum-hero::before { content: ""; position: absolute; width: 340px; height: 340px; right: -80px; top: -140px; border-radius: 50%; background: radial-gradient(circle, color-mix(in srgb, var(--fc2) 55%, transparent), transparent 70%); animation: orb 12s ease-in-out infinite alternate; }
.forum-hero > * { position: relative; }
.forum-hero-icon { width: 84px; height: 84px; flex: 0 0 auto; border-radius: 26px; display: grid; place-items: center; font-size: 42px; background: linear-gradient(135deg, var(--fc1), var(--fc2)); box-shadow: 0 16px 40px -14px var(--fc1), inset 0 1px 0 rgb(255 255 255 / .35); }
.forum-hero-icon.sm { width: 56px; height: 56px; font-size: 28px; border-radius: 18px; }
.forum-hero-text { flex: 1; min-width: 0; }
.forum-hero h1 { font-size: clamp(26px, 4vw, 38px); margin: 0 0 4px; }
.forum-hero p { margin: 0 0 10px; color: color-mix(in srgb, var(--text) 80%, transparent); }
.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 0 0 14px; flex-wrap: wrap; }
.seg { display: inline-flex; padding: 4px; gap: 3px; border-radius: 99px; background: var(--glass); border: 1px solid var(--line); flex-wrap: wrap; backdrop-filter: blur(12px); }
.seg button { padding: 7px 14px; border-radius: 99px; border: 0; background: transparent; color: var(--muted); font: 600 13px var(--font); cursor: pointer; transition: .25s var(--ease); }
.seg button:hover { color: var(--text); }
.seg button.on { color: #fff; background: var(--grad-2); box-shadow: 0 6px 18px -8px var(--c2); }
.seg.tabs { margin-bottom: 16px; }

.empty { padding: 50px 20px; text-align: center; }
.empty.big { padding: 80px 20px; }
.empty-icon { font-size: 52px; margin-bottom: 8px; animation: float2 3s ease-in-out infinite; display: inline-block; }
@keyframes float2 { 50% { transform: translateY(-8px); } }

/* classic / minimal / qa rows */
.thread-table { overflow: hidden; padding: 6px; }
.thread-row, .qa-row { display: flex; align-items: center; gap: 16px; padding: 14px 16px; border-radius: 15px; transition: background .2s, transform .25s var(--ease); animation: fadeUp .45s var(--ease) both; }
.thread-row + .thread-row, .qa-row + .qa-row { border-top: 1px solid color-mix(in srgb, var(--border) 50%, transparent); }
.thread-row:hover, .qa-row:hover { background: var(--soft); transform: translateX(3px); }
.thread-row.pinned { background: linear-gradient(90deg, color-mix(in srgb, var(--c4) 10%, transparent), transparent 60%); }
.thread-main { flex: 1; min-width: 0; }
.thread-title { display: block; color: var(--text); font-weight: 600; font-size: 16px; line-height: 1.35; }
.thread-title:hover { color: var(--c1); }
.flag { margin-right: 6px; }
.thread-num { width: 72px; text-align: center; flex: 0 0 auto; }
.thread-num b { display: block; font: 700 17px var(--font-d); }
.thread-num span { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.thread-last { width: 140px; text-align: right; display: flex; flex-direction: column; font-size: 12px; color: var(--muted); flex: 0 0 auto; }
.thread-last small { color: var(--text); font-weight: 600; font-size: 13px; }
.thread-table.minimal .thread-row { padding: 9px 14px; }
.thread-table.minimal .thread-title { font-size: 15px; }
.excerpt { margin: 4px 0; color: var(--muted); font-size: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.qa-boxes { display: flex; gap: 8px; flex: 0 0 auto; }
.qa-box { width: 64px; padding: 8px 4px; border-radius: 12px; text-align: center; border: 1px solid var(--line); }
.qa-box b { display: block; font: 700 17px var(--font-d); }
.qa-box span { font-size: 11px; color: var(--muted); }
.qa-box.has { border-color: color-mix(in srgb, var(--ok) 50%, transparent); color: var(--ok); }
.qa-box.solved { background: linear-gradient(135deg, #10b981, #34d399); color: #fff; border: 0; box-shadow: 0 8px 22px -10px #34d399; }
.qa-box.solved span { color: #ecfdf5; }

/* cards */
.thread-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; }
.thread-card { --cc: var(--c1); position: relative; display: flex; flex-direction: column; padding: 22px 20px 16px; color: var(--text); overflow: hidden; animation: fadeUp .5s var(--ease) both; transition: transform .35s var(--ease), box-shadow .35s; min-height: 200px; }
.thread-card:nth-child(4n+2) { --cc: var(--c2); }
.thread-card:nth-child(4n+3) { --cc: var(--c3); }
.thread-card:nth-child(4n+4) { --cc: var(--c4); }
.thread-card:hover { transform: translateY(-6px) rotate(-.4deg); box-shadow: 0 26px 50px -24px var(--cc); color: var(--text); }
.tc-top { position: absolute; inset: 0 0 auto; height: 5px; background: linear-gradient(90deg, var(--cc), transparent); }
.thread-card::after { content: ""; position: absolute; width: 140px; height: 140px; right: -60px; bottom: -60px; border-radius: 50%; background: var(--cc); opacity: .14; filter: blur(20px); transition: transform .5s var(--ease); }
.thread-card:hover::after { transform: scale(1.6); }
.thread-card h3 { font-size: 17px; margin: 4px 0 8px; }
.thread-card p { flex: 1; margin: 0 0 14px; color: var(--muted); font-size: 14px; display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }
.thread-card footer { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); }
.tc-name { color: var(--text); font-weight: 600; }

/* blog / announce */
.thread-blog { display: grid; gap: 18px; }
.blog-card { padding: 24px 26px; animation: fadeUp .5s var(--ease) both; position: relative; overflow: hidden; }
.blog-card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: linear-gradient(180deg, var(--c1), var(--c2), var(--c3)); }
.blog-card.announce::before { background: linear-gradient(180deg, var(--c4), var(--c3)); width: 5px; }
.blog-card.announce { background: linear-gradient(120deg, color-mix(in srgb, var(--c4) 8%, var(--glass)), var(--glass)); }
.blog-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.blog-meta small { display: block; }
.blog-card h2 { font-size: clamp(20px, 3vw, 26px); margin: 0 0 8px; }
.blog-card h2 a { color: var(--text); background: linear-gradient(var(--c1), var(--c1)) 0 100% / 0 2px no-repeat; transition: background-size .4s var(--ease); }
.blog-card h2 a:hover { background-size: 100% 2px; color: var(--text); }
.blog-card p { color: var(--muted); margin: 0 0 14px; font-size: 15px; }
.blog-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }

/* ideas */
.thread-ideas { display: grid; gap: 12px; }
.idea-row { display: flex; gap: 18px; padding: 16px 18px; align-items: flex-start; animation: fadeUp .45s var(--ease) both; transition: transform .25s var(--ease); }
.idea-row:hover { transform: translateY(-2px); }
.vote-col { display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 6px; border-radius: 14px; background: var(--soft); border: 1px solid var(--line); min-width: 56px; }
.vote-col b { font: 700 19px var(--font-d); background: var(--grad-2); -webkit-background-clip: text; background-clip: text; color: transparent; }
.vote { width: 34px; height: 26px; border-radius: 9px; border: 0; background: transparent; color: var(--muted); cursor: pointer; font-size: 13px; transition: .2s var(--ease); }
.vote:hover { background: var(--soft); color: var(--text); transform: scale(1.12); }
.vote.up.on { color: #fff; background: linear-gradient(135deg, #10b981, #34d399); box-shadow: 0 6px 14px -6px #34d399; }
.vote.down.on { color: #fff; background: linear-gradient(135deg, #f43f5e, #fb7185); box-shadow: 0 6px 14px -6px #fb7185; }

/* pager */
.pager { display: flex; justify-content: center; gap: 6px; margin: 22px 0 6px; flex-wrap: wrap; }
.pg { min-width: 38px; height: 38px; padding: 0 10px; border-radius: 12px; border: 1px solid var(--line); background: var(--glass); color: var(--text); font: 600 14px var(--font); cursor: pointer; transition: .2s var(--ease); }
.pg:hover:not(:disabled) { border-color: var(--c1); transform: translateY(-2px); }
.pg.on { border: 0; color: #fff; background: var(--grad-2); box-shadow: 0 8px 20px -8px var(--c2); }
.pg:disabled { opacity: .4; cursor: default; }
.pg.gap { border: 0; background: none; cursor: default; display: grid; place-items: center; }

/* ------------------------------------------------------------ thread page */
.thread-head { --fc1: var(--c1); --fc2: var(--c2); display: flex; gap: 18px; align-items: flex-start; justify-content: space-between; flex-wrap: wrap; padding: 22px 24px; margin-bottom: 18px; position: relative; overflow: hidden; }
.thread-head::before { content: ""; position: absolute; inset: 0 0 auto; height: 4px; background: linear-gradient(90deg, var(--fc1), var(--fc2)); }
.thread-head h1 { font-size: clamp(22px, 3.4vw, 32px); margin: 10px 0 6px; overflow-wrap: anywhere; }
.thread-head-main { flex: 1; min-width: 240px; }
.thread-flags { display: flex; gap: 8px; flex-wrap: wrap; }
.mod-bar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; padding: 8px; border-radius: 14px; background: color-mix(in srgb, var(--c4) 8%, transparent); border: 1px dashed color-mix(in srgb, var(--c4) 45%, transparent); }
.posts { display: grid; gap: 16px; }
.post { display: grid; grid-template-columns: 170px minmax(0, 1fr); overflow: hidden; animation: fadeUp .45s var(--ease) both; scroll-margin-top: 100px; }
.post.flash { animation: flash 1.6s ease 1; }
.post.first { border-color: color-mix(in srgb, var(--c2) 45%, var(--border)); }
.post.accepted { border: 2px solid var(--ok); box-shadow: 0 0 0 4px color-mix(in srgb, var(--ok) 14%, transparent), var(--shadow); }
.post-author { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 22px 14px; text-align: center; border-right: 1px solid var(--line);
  background: linear-gradient(180deg, color-mix(in srgb, var(--c2) 8%, transparent), transparent); }
.author-name { font-weight: 700; color: var(--text); overflow-wrap: anywhere; }
.post-main { display: flex; flex-direction: column; min-width: 0; padding: 16px 22px 12px; }
.post-head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; flex-wrap: wrap; }
.post-num { color: var(--muted); font-weight: 700; font-size: 13px; }
.post-actions { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; margin-top: auto; padding-top: 12px; border-top: 1px solid color-mix(in srgb, var(--border) 50%, transparent); }
.act { padding: 6px 11px; border-radius: 10px; border: 0; background: transparent; color: var(--muted); font: 600 13px var(--font); cursor: pointer; transition: .2s; }
.act:hover { background: var(--soft); color: var(--text); }
.act.danger:hover { color: var(--danger); }
.act.ok { color: var(--ok); }
.vote-inline { display: flex; align-items: center; gap: 4px; }
.reactions { display: flex; align-items: center; gap: 6px; }
.react { display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px; border-radius: 99px; border: 1px solid var(--line); background: var(--soft); color: var(--muted); font: 600 13px var(--font); cursor: pointer; transition: transform .2s var(--ease), background .2s, border-color .2s, color .2s; }
.react b { min-width: 8px; text-align: left; color: var(--text); font-family: var(--font-d); }
.react .r-ico { font-size: 15px; line-height: 1; transition: transform .3s var(--ease); filter: grayscale(.6); }
.react:hover { transform: translateY(-1px); border-color: color-mix(in srgb, var(--c1) 50%, var(--border)); }
.react:hover .r-ico { transform: scale(1.18) rotate(-8deg); filter: none; }
.react.like.on { background: color-mix(in srgb, var(--ok) 18%, transparent); border-color: color-mix(in srgb, var(--ok) 60%, transparent); }
.react.dislike.on { background: color-mix(in srgb, var(--danger) 16%, transparent); border-color: color-mix(in srgb, var(--danger) 55%, transparent); }
.react.on .r-ico { filter: none; animation: pop .35s var(--ease); }
.react.own { cursor: default; opacity: .75; }
.react.own:hover { transform: none; border-color: var(--line); }
.react.own:hover .r-ico { transform: none; filter: grayscale(.6); }
@keyframes pop { 50% { transform: scale(1.35); } }
.vote-inline b { min-width: 24px; text-align: center; font-family: var(--font-d); }
.post-edit { display: flex; flex-direction: column; gap: 10px; }
.signature { margin-top: 14px; padding-top: 10px; border-top: 1px dashed var(--line); font-size: 13px; opacity: .8; }

/* post content */
.post-body { overflow-wrap: anywhere; font-size: 15.5px; line-height: 1.7; }
.post-body p { margin: 0 0 .85em; }
.post-body p:last-child { margin-bottom: 0; }
.post-body h3, .post-body h4, .post-body h5 { margin: 1em 0 .4em; }
.post-body ul { margin: 0 0 .9em; padding-left: 1.3em; }
.post-body li::marker { color: var(--c2); }
.post-body blockquote { margin: 0 0 .9em; padding: 10px 16px; border-radius: 0 12px 12px 0; border-left: 4px solid; border-image: linear-gradient(var(--c1), var(--c3)) 1; background: var(--soft); color: color-mix(in srgb, var(--text) 85%, var(--muted)); }
.post-body code { padding: 2px 7px; border-radius: 7px; background: color-mix(in srgb, var(--c2) 14%, transparent); color: color-mix(in srgb, var(--c2) 70%, var(--text)); font-size: .88em; }
.post-body pre.code { margin: 0 0 .9em; padding: 14px 16px; border-radius: 14px; background: color-mix(in srgb, var(--bg) 85%, #000); border: 1px solid var(--line); overflow-x: auto; position: relative; }
.post-body pre.code::before { content: ""; position: absolute; top: 0; left: 16px; right: 16px; height: 2px; background: var(--grad); opacity: .7; }
.post-body pre.code code { padding: 0; background: none; color: color-mix(in srgb, var(--c1) 40%, var(--text)); font-size: 13.5px; line-height: 1.6; }
html[data-mode="light"] .post-body pre.code { background: #0f172a; }
html[data-mode="light"] .post-body pre.code code { color: #e2e8f0; }
.post-body a { text-decoration: underline; text-decoration-color: color-mix(in srgb, var(--c1) 45%, transparent); text-underline-offset: 3px; }
.post-body a.mention { text-decoration: none; padding: 1px 7px; border-radius: 7px; background: color-mix(in srgb, var(--c3) 15%, transparent); color: var(--c3); font-weight: 600; }
.post-body del { opacity: .65; }
.spoiler { background: var(--text); color: transparent; border-radius: 5px; padding: 0 4px; cursor: pointer; transition: .3s; }
.spoiler:hover, .spoiler:focus { background: var(--soft); color: inherit; }

.reply-box { padding: 22px; margin-top: 18px; }
.reply-box h3 { margin-bottom: 14px; }
.notice { padding: 18px 22px; margin-top: 18px; text-align: center; }

/* editor */
.editor { border-radius: 16px; border: 1px solid var(--line); background: color-mix(in srgb, var(--bg) 50%, transparent); overflow: hidden; transition: border-color .2s, box-shadow .2s; }
.editor:focus-within { border-color: var(--c1); box-shadow: 0 0 0 4px color-mix(in srgb, var(--c1) 15%, transparent); }
.editor-bar { display: flex; align-items: center; gap: 10px; padding: 7px 8px; border-bottom: 1px solid var(--line); background: var(--soft); flex-wrap: wrap; }
.tabs-mini { display: flex; gap: 2px; }
.tabs-mini button { padding: 6px 12px; border-radius: 9px; border: 0; background: none; color: var(--muted); font: 600 13px var(--font); cursor: pointer; }
.tabs-mini button.on { background: var(--glass-2); color: var(--text); box-shadow: 0 1px 0 var(--line); }
.tools { display: flex; gap: 2px; flex-wrap: wrap; margin-left: auto; }
.tools button { min-width: 32px; height: 30px; padding: 0 7px; border-radius: 8px; border: 0; background: none; color: var(--muted); font: 600 13px var(--font); cursor: pointer; transition: .15s; }
.tools button:hover { background: var(--glass-2); color: var(--c1); }
.editor-input { display: block; width: 100%; border: 0; padding: 14px 16px; background: transparent; color: var(--text); font: 15px/1.65 var(--font); resize: vertical; min-height: 120px; }
.editor-input:focus { outline: 0; }
.editor-preview { padding: 16px; min-height: 120px; }
.editor-foot { display: flex; justify-content: space-between; gap: 10px; padding: 6px 12px; font-size: 11.5px; color: var(--muted); border-top: 1px solid color-mix(in srgb, var(--border) 50%, transparent); }

/* compose */
.compose { --fc1: var(--c1); --fc2: var(--c2); padding: 26px; position: relative; overflow: hidden; }
.compose::before { content: ""; position: absolute; inset: 0 0 auto; height: 4px; background: linear-gradient(90deg, var(--fc1), var(--fc2)); }
.compose-head { display: flex; align-items: center; gap: 14px; margin-bottom: 10px; }
.compose-head h1 { margin: 0; font-size: 26px; }
.compose-head p { margin: 0; }
.tip { padding: 10px 14px; border-radius: 12px; background: color-mix(in srgb, var(--c4) 10%, transparent); border: 1px solid color-mix(in srgb, var(--c4) 30%, transparent); font-size: 14px; margin: 0 0 18px; }

/* ------------------------------------------------------------------ auth */
.auth-wrap { min-height: 72vh; display: grid; place-items: center; padding: 20px 0; }
.auth-card { position: relative; width: min(440px, 100%); padding: 34px 30px 26px; border-radius: 26px; background: var(--glass-2); backdrop-filter: blur(22px); box-shadow: var(--shadow); animation: fadeUp .5s var(--ease) both; isolation: isolate; }
.auth-card::before { content: ""; position: absolute; inset: -2px; border-radius: 28px; z-index: -1; background: conic-gradient(from var(--ang, 0deg), var(--c1), var(--c2), var(--c3), var(--c4), var(--c1)); animation: rotate 6s linear infinite; }
.auth-card::after { content: ""; position: absolute; inset: 0; border-radius: 26px; z-index: -1; background: var(--glass-2); }
@property --ang { syntax: '<angle>'; inherits: false; initial-value: 0deg; }
@keyframes rotate { to { --ang: 360deg; } }
.auth-badge { width: 60px; height: 60px; margin: 0 auto 12px; display: grid; place-items: center; border-radius: 20px; font-size: 28px; background: var(--grad-2); box-shadow: 0 12px 30px -10px var(--c2); }
.auth-card h1 { text-align: center; font-size: 26px; margin: 0; }
.auth-card > p.muted { text-align: center; margin: 4px 0 22px; }
.auth-card .btn.block { margin-top: 6px; }
.auth-card p.small { margin: 16px 0 0; }

/* -------------------------------------------------------------- profile */
.profile-card { --ac: var(--c2); overflow: hidden; margin-bottom: 18px; }
.profile-banner { height: 130px; background: linear-gradient(120deg, var(--ac), var(--c1), var(--c3)); background-size: 200% 200%; animation: hue 8s ease-in-out infinite alternate; position: relative; }
.profile-banner::after { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 30% 120%, rgb(0 0 0 / .35), transparent 60%); }
.profile-main { display: flex; align-items: flex-end; gap: 18px; padding: 0 24px 18px; margin-top: -46px; position: relative; flex-wrap: wrap; }
.profile-main .avatar { border: 4px solid var(--surface); border-radius: 32px; }
.profile-info { flex: 1; min-width: 200px; }
.profile-info h1 { font-size: 26px; margin: 0; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.profile-stats { display: flex; gap: 22px; margin-top: 8px; }
.profile-stats b { font: 700 20px var(--font-d); display: block; }
.profile-stats span { font-size: 12px; color: var(--muted); }
.profile-actions { display: flex; gap: 8px; }
.profile-bio { padding: 0 24px 22px; }
.list { overflow: hidden; }
.list-item { display: flex; align-items: center; gap: 12px; padding: 13px 18px; color: var(--text); transition: background .2s; min-width: 0; }
.list-item + .list-item { border-top: 1px solid color-mix(in srgb, var(--border) 50%, transparent); }
.list-item:hover { background: var(--soft); color: var(--text); }
.list-item b { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.search-big { display: flex; align-items: center; gap: 10px; padding: 8px 8px 8px 18px; margin-bottom: 18px; border-radius: 99px; }
.search-big .input { border: 0; background: transparent; box-shadow: none; }

/* settings page */
.panel { padding: 22px; margin-bottom: 16px; }
.panel h3 { font-size: 17px; margin-bottom: 14px; }
.theme-picks { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.theme-pick { display: flex; flex-direction: column; gap: 10px; padding: 14px; border-radius: 16px; border: 2px solid var(--line); background: var(--soft); color: var(--text); cursor: pointer; text-align: left; font: 600 14px var(--font); transition: transform .25s var(--ease), border-color .2s; }
.theme-pick:hover { transform: translateY(-3px); }
.theme-pick.on { border-color: var(--c1) !important; box-shadow: 0 0 0 3px color-mix(in srgb, var(--c1) 30%, transparent); }
.sw-row { display: flex; gap: 4px; }
.sw-row i { width: 22px; height: 22px; border-radius: 7px; }

/* ----------------------------------------------------------------- modal */
.modal-back { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 16px; background: rgb(3 6 20 / .6); backdrop-filter: blur(6px); }
.modal-back.top { z-index: 150; }
.modal { width: min(520px, 100%); max-height: calc(100vh - 32px); display: flex; flex-direction: column; border-radius: 22px; background: var(--glass-2); border: 1px solid var(--line); box-shadow: 0 40px 100px -30px #000; backdrop-filter: blur(24px); overflow: hidden; }
.modal.wide { width: min(980px, 100%); }
.modal-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 16px 20px; border-bottom: 1px solid var(--line); position: relative; }
.modal-head::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--grad); opacity: .7; }
.modal-head h3 { margin: 0; font-size: 18px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.modal-body { padding: 20px; overflow-y: auto; }
.modal-foot { display: flex; justify-content: flex-end; align-items: center; gap: 10px; padding: 14px 20px; border-top: 1px solid var(--line); flex-wrap: wrap; }
.dialog-msg { margin: 0 0 14px; }
.modal-enter-active, .modal-leave-active { transition: opacity .25s; }
.modal-enter-active .modal, .modal-leave-active .modal { transition: transform .3s var(--ease); }
.modal-enter-from, .modal-leave-to { opacity: 0; }
.modal-enter-from .modal, .modal-leave-to .modal { transform: translateY(20px) scale(.97); }

/* ---------------------------------------------------------------- toasts */
.toasts { position: fixed; right: 18px; bottom: 18px; z-index: 200; display: flex; flex-direction: column; gap: 10px; max-width: min(380px, calc(100vw - 36px)); }
.toast { display: flex; gap: 10px; align-items: flex-start; padding: 13px 16px; border-radius: 15px; background: var(--glass-2); border: 1px solid var(--line); backdrop-filter: blur(18px); box-shadow: var(--shadow); font-size: 14px; font-weight: 500; position: relative; overflow: hidden; }
.toast::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--c1); }
.toast.success::before { background: var(--ok); } .toast.error::before { background: var(--danger); }
.toast-ico { font-weight: 800; }
.toast.success .toast-ico { color: var(--ok); } .toast.error .toast-ico { color: var(--danger); } .toast.info .toast-ico { color: var(--c1); }
.toast-enter-active, .toast-leave-active { transition: all .35s var(--ease); }
.toast-enter-from { opacity: 0; transform: translateX(40px) scale(.95); }
.toast-leave-to { opacity: 0; transform: translateY(10px); }

/* ------------------------------------------------------------ responsive */
@media (max-width: 1020px) {
  .layout { grid-template-columns: 1fr; }
  .side-col { position: static; display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
  .forum-card { grid-template-columns: auto minmax(0, 1fr); }
  .forum-last { grid-column: 1 / -1; border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 12px; }
}
@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; padding-top: 18px; }
  .burger { display: inline-grid; }
  .nav { display: none; position: absolute; top: calc(100% + 8px); left: 0; right: 0; flex-direction: column; padding: 8px; border-radius: 16px; background: var(--glass-2); border: 1px solid var(--line); backdrop-filter: blur(20px); box-shadow: var(--shadow); }
  .nav.open { display: flex; }
  .nav a { padding: 12px 14px; }
  .topbar-inner { gap: 10px; }
}
@media (max-width: 720px) {
  body { font-size: 14.5px; }
  .hide-sm { display: none !important; }
  .topbar { padding: 8px 10px 0; }
  .container { padding: 16px 16px 30px; }
  .post { grid-template-columns: 1fr; }
  .post-author { flex-direction: row; flex-wrap: wrap; justify-content: flex-start; padding: 12px 16px; border-right: 0; border-bottom: 1px solid var(--line); text-align: left; }
  .post-author .avatar { width: 40px !important; height: 40px !important; font-size: 15px !important; }
  .post-main { padding: 14px 16px 10px; }
  .forum-hero { flex-direction: column; align-items: flex-start; padding: 22px; }
  .forum-hero-icon { width: 64px; height: 64px; font-size: 32px; border-radius: 20px; }
  .thread-row, .qa-row { gap: 12px; padding: 12px; }
  .thread-num { width: 54px; }
  .qa-row { align-items: flex-start; }
  .qa-box { width: 52px; }
  .forum-card { padding: 16px; gap: 14px; }
  .forum-icon { width: 48px; height: 48px; font-size: 24px; border-radius: 15px; }
  .hero-stats { gap: 10px; }
  .stat-chip { padding: 16px; }
  .stat-chip b { font-size: 26px; }
  .editor-foot span:first-child { display: none; }
  .brand { font-size: 17px; }
  .brand .grad-text { max-width: 44vw; }
  .profile-main { padding: 0 16px 16px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}