:root {
  --ink: #17151d;
  --muted: #77727f;
  --paper: #fbfaf8;
  --surface: #ffffff;
  --line: #e9e6e1;
  --soft: #f1efeb;
  --violet: #6f5cff;
  --violet-dark: #5441e6;
  --coral: #ff785a;
  --mint: #c8f2de;
  --shadow: 0 18px 60px rgba(32, 24, 55, .12);
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }
main { min-height: calc(100vh - 80px); padding: 0 28px 80px; }

.topbar { position: sticky; top: 0; z-index: 50; height: 80px; padding: 14px 28px; display: flex; align-items: center; gap: 14px; background: color-mix(in srgb, var(--paper) 90%, transparent); backdrop-filter: blur(22px) saturate(140%); border-bottom: 1px solid rgba(23, 21, 29, .06); }
.brand { display: inline-flex; align-items: center; gap: 9px; flex: 0 0 auto; font-weight: 900; letter-spacing: -.04em; }
.brand-mark { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 15px; color: #fff; background: linear-gradient(145deg, var(--violet), #9a6cff 60%, var(--coral)); box-shadow: 0 8px 20px rgba(111, 92, 255, .28); }
.brand-word { font-size: 20px; }
.desktop-nav { display: flex; gap: 4px; }
.nav-pill { height: 45px; padding: 0 17px; display: grid; place-items: center; border-radius: 16px; font-weight: 750; }
.nav-pill:hover, .nav-pill.active { background: var(--ink); color: #fff; }
.global-search { flex: 1; height: 50px; position: relative; display: flex; align-items: center; gap: 10px; max-width: 920px; margin: 0 auto; padding: 0 16px; border-radius: 18px; background: #efedea; transition: .25s ease; }
.global-search:focus-within { background: #fff; box-shadow: 0 0 0 3px rgba(111,92,255,.17), 0 12px 36px rgba(36,30,56,.1); }
.global-search svg { width: 22px; fill: none; stroke: currentColor; stroke-width: 2; color: #77727f; }
.global-search input { min-width: 0; flex: 1; border: 0; outline: 0; background: transparent; font-size: 15px; }
.global-search kbd { padding: 3px 7px; border: 1px solid #d8d4cf; border-radius: 7px; color: #8a858d; background: rgba(255,255,255,.65); font-size: 11px; }
.top-actions { position: relative; display: flex; align-items: center; gap: 9px; }
.button { min-height: 44px; padding: 0 20px; border: 0; border-radius: 15px; display: inline-flex; align-items: center; justify-content: center; font-weight: 800; transition: transform .18s ease, box-shadow .18s ease, background .18s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--violet); box-shadow: 0 10px 25px rgba(111,92,255,.23); }
.button-primary:hover { background: var(--violet-dark); }
.button-ghost { color: var(--ink); background: #efedea; }
.button-wide { width: 100%; }
.icon-button, .avatar-button { width: 44px; height: 44px; padding: 0; border: 0; border-radius: 50%; display: grid; place-items: center; background: #efedea; }
.icon-button svg { width: 22px; fill: none; stroke: currentColor; stroke-width: 2.2; }
.avatar-button { overflow: hidden; color: #fff; background: var(--ink); font-weight: 900; }
.avatar-button img { width: 100%; height: 100%; object-fit: cover; }
.user-menu { position: absolute; right: 0; top: 54px; width: 220px; padding: 10px; border: 1px solid var(--line); border-radius: 20px; background: #fff; box-shadow: var(--shadow); animation: pop .18s ease both; }
.user-menu a, .user-menu button { width: 100%; padding: 11px 12px; border: 0; border-radius: 12px; display: block; text-align: left; background: transparent; font-weight: 650; }
.user-menu a:hover, .user-menu button:hover { background: var(--soft); }
.menu-account { padding: 10px 12px 14px; margin-bottom: 6px; border-bottom: 1px solid var(--line); display: grid; gap: 3px; }
.menu-account small { color: var(--muted); }
.menu-logout-form { margin: 7px 0 0; padding-top: 7px; border-top: 1px solid var(--line); }
.user-menu .menu-logout-button { min-height: 43px; border: 1px solid rgba(201,58,58,.11); display: flex; align-items: center; gap: 10px; color: #b82f36; background: #fff1f1; -webkit-appearance: none; appearance: none; }
.user-menu .menu-logout-button:hover { color: #fff; background: #c83d43; }
.menu-logout-button svg { width: 18px; height: 18px; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.9; }
.toast-stack { position: fixed; top: 90px; left: 50%; z-index: 100; transform: translateX(-50%); }
.toast { padding: 12px 18px; border-radius: 14px; color: #fff; background: var(--ink); box-shadow: var(--shadow); animation: toast-in .3s ease, toast-out .3s ease 4s forwards; }
.mobile-nav { display: none; }

.home-feature { max-width: 1600px; margin: 28px auto 20px; }
.home-feature-link { height: clamp(300px, 32vw, 490px); position: relative; display: block; overflow: hidden; border-radius: 38px; color: #fff; background: #26222e; box-shadow: 0 28px 80px rgba(25,18,40,.18); isolation: isolate; }
.home-feature-link::before { content: ""; position: absolute; z-index: 4; inset: 1px; border: 1px solid rgba(255,255,255,.24); border-radius: inherit; pointer-events: none; }
.home-feature-link::after { content: ""; width: 52%; height: 86%; position: absolute; z-index: 1; top: -42%; right: -15%; border-radius: 50%; background: radial-gradient(circle, rgba(255,255,255,.22), rgba(255,255,255,0) 67%); filter: blur(8px); pointer-events: none; }
.home-feature-image { width: 100%; height: 100%; position: absolute; inset: 0; object-fit: cover; object-position: var(--banner-position, center center); transition: transform .7s cubic-bezier(.2,.8,.2,1), filter .4s ease; }
.home-feature-scrim { position: absolute; z-index: 1; inset: 0; background: linear-gradient(90deg, rgba(13,11,18,.84) 0%, rgba(13,11,18,.56) 42%, rgba(13,11,18,.12) 78%), linear-gradient(0deg, rgba(13,11,18,.24), transparent 48%); }
.home-feature-copy { max-width: 700px; position: absolute; z-index: 2; left: clamp(28px, 5vw, 78px); bottom: clamp(28px, 5vw, 72px); display: flex; flex-direction: column; align-items: flex-start; }
.home-feature-kicker { margin-bottom: 11px; color: var(--mint); font-size: 11px; font-weight: 900; letter-spacing: .18em; text-transform: uppercase; }
.home-feature-kicker::before { content: ""; width: 22px; height: 1px; margin: 0 9px 3px 0; display: inline-block; background: currentColor; }
.home-feature-title { max-width: 680px; font-size: clamp(38px, 5vw, 70px); font-weight: 900; line-height: .98; letter-spacing: -.06em; text-wrap: balance; }
.home-feature-subtitle { max-width: 580px; margin-top: 16px; overflow: hidden; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; font-size: clamp(14px, 1.3vw, 18px); line-height: 1.6; opacity: .82; }
.home-feature-edition { position: absolute; z-index: 2; top: clamp(25px, 3vw, 46px); right: clamp(25px, 3vw, 46px); padding: 10px 11px 10px 14px; border: 1px solid rgba(255,255,255,.24); border-radius: 999px; display: inline-flex; align-items: center; gap: 12px; background: rgba(17,14,23,.18); backdrop-filter: blur(16px) saturate(130%); font-size: 9px; font-weight: 800; letter-spacing: .15em; }
.home-feature-edition strong { width: 27px; height: 27px; border-radius: 50%; display: grid; place-items: center; color: var(--ink); background: rgba(255,255,255,.9); font-size: 10px; letter-spacing: 0; }
.home-feature-footer { width: 100%; margin-top: 23px; display: flex; align-items: center; gap: 18px; }
.home-feature-credit { min-width: 0; display: inline-flex; align-items: center; gap: 10px; }
.home-feature-credit-avatar { width: 40px; height: 40px; flex: 0 0 auto; border: 1px solid rgba(255,255,255,.34); border-radius: 50%; display: grid; place-items: center; overflow: hidden; color: var(--ink); background: rgba(255,255,255,.9); font-size: 13px; font-weight: 900; box-shadow: 0 8px 20px rgba(0,0,0,.16); }
.home-feature-credit-avatar img { width: 100%; height: 100%; object-fit: cover; }
.home-feature-credit-copy { min-width: 0; display: grid; gap: 2px; }
.home-feature-credit-copy small { color: rgba(255,255,255,.62); font-size: 9px; font-weight: 700; letter-spacing: .12em; }
.home-feature-credit-copy strong { max-width: 180px; overflow: hidden; font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
.home-feature-cta { min-height: 42px; padding: 0 17px; border: 1px solid rgba(255,255,255,.3); border-radius: 999px; display: inline-flex; align-items: center; gap: 9px; background: rgba(255,255,255,.14); backdrop-filter: blur(13px); font-size: 13px; font-weight: 850; transition: gap .2s ease, background .2s ease, transform .2s ease; }
.home-feature-link:hover .home-feature-image { transform: scale(1.025); filter: saturate(1.06); }
.home-feature-link:hover .home-feature-cta { gap: 14px; background: rgba(255,255,255,.21); transform: translateY(-1px); }
.home-feature-link:focus-visible { outline: 3px solid var(--violet); outline-offset: 4px; }

.feed-head, .section-heading { max-width: 1600px; margin: 45px auto 22px; display: flex; align-items: end; justify-content: space-between; gap: 18px; }
.feed-head h1, .section-heading h2 { margin: 4px 0 0; font-size: clamp(30px, 4vw, 58px); line-height: 1.02; letter-spacing: -.055em; }
.section-heading h2 { font-size: clamp(27px, 3vw, 42px); }
.section-heading.centered { justify-content: center; text-align: center; }
.eyebrow { margin: 0; color: var(--violet); font-size: 12px; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
.topic-rail { max-width: 1600px; margin: 0 auto 26px; padding: 7px 0 10px; display: flex; gap: 9px; overflow-x: auto; scrollbar-width: none; }
.topic-rail::-webkit-scrollbar { display: none; }
.topic-chip { flex: 0 0 auto; padding: 11px 16px; border: 1px solid var(--line); border-radius: 999px; display: flex; align-items: center; gap: 8px; background: #fff; font-weight: 750; transition: .2s ease; }
.topic-chip span { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.topic-chip:hover, .topic-chip.active { color: #fff; border-color: var(--ink); background: var(--ink); transform: translateY(-1px); }

.masonry { max-width: 1600px; margin: 0 auto; columns: 6 220px; column-gap: 18px; }
.pin-card { display: inline-block; width: 100%; margin: 0 0 25px; break-inside: avoid; position: relative; opacity: 0; transform: translateY(18px); transition: opacity .5s ease, transform .5s ease; }
.pin-card.visible { opacity: 1; transform: none; }
.pin-media { position: relative; display: block; overflow: hidden; border-radius: 22px; background: #e7e3df; }
.pin-media img { width: 100%; min-height: 160px; object-fit: cover; transition: transform .45s cubic-bezier(.2,.8,.2,1), filter .3s ease; }
.pin-shade { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 45%, rgba(13,11,18,.38)); opacity: 0; transition: .25s; }
.pin-card:hover .pin-media img { transform: scale(1.035); filter: saturate(1.05); }
.pin-card:hover .pin-shade { opacity: 1; }
.pin-overlay { position: absolute; z-index: 2; inset: 12px 12px auto 12px; display: flex; justify-content: flex-end; gap: 8px; opacity: 0; transform: translateY(-6px); transition: .23s ease; }
.pin-card:hover .pin-overlay { opacity: 1; transform: none; }
.save-button { height: 42px; padding: 0 17px; border: 0; border-radius: 14px; display: inline-flex; align-items: center; justify-content: center; color: #fff; background: var(--coral); font-weight: 850; box-shadow: 0 9px 24px rgba(255,120,90,.28); }
.save-button:hover { background: #ef6346; }
.card-delete-button, .delete-button { height: 42px; padding: 0 15px; border: 0; border-radius: 14px; display: inline-flex; align-items: center; justify-content: center; color: #bd2f2f; background: rgba(255,255,255,.94); font-weight: 850; box-shadow: 0 9px 24px rgba(30,20,20,.12); }
.card-delete-button:hover, .delete-button:hover { color: #fff; background: #cf3e3e; }
.delete-button { height: 44px; background: #fff0f0; box-shadow: none; }
.round-action { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; background: rgba(255,255,255,.92); backdrop-filter: blur(12px); }
.round-action svg { width: 20px; fill: none; stroke: currentColor; stroke-width: 2; }
.pin-copy { padding: 10px 5px 0; }
.pin-title { display: block; font-size: 15px; font-weight: 850; line-height: 1.35; letter-spacing: -.02em; }
.pin-author-row { margin-top: 8px; display: flex; align-items: center; justify-content: space-between; gap: 8px; color: var(--muted); font-size: 12px; }
.mini-author, .creator { min-width: 0; display: flex; align-items: center; gap: 8px; }
.mini-author > span:last-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mini-avatar { flex: 0 0 auto; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; overflow: hidden; color: #fff; background: var(--violet); font-size: 11px; font-weight: 900; }
.mini-avatar img { width: 100%; height: 100%; object-fit: cover; }
.pin-stats { flex: 0 0 auto; }

.explore-hero { max-width: 1600px; min-height: 360px; margin: 28px auto 22px; padding: clamp(36px, 6vw, 90px); border-radius: 38px; display: flex; flex-direction: column; justify-content: flex-end; position: relative; overflow: hidden; color: #fff; background: radial-gradient(circle at 80% 15%, rgba(255,255,255,.25), transparent 22%), linear-gradient(125deg, #17151d, #5038b2 58%, #ff785a); box-shadow: var(--shadow); }
.explore-hero::before, .explore-hero::after { content: ""; position: absolute; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; }
.explore-hero::before { width: 360px; height: 360px; right: -80px; top: -130px; }
.explore-hero::after { width: 220px; height: 220px; right: 110px; top: -60px; }
.explore-hero .eyebrow { color: var(--mint); }
.explore-hero h1 { max-width: 780px; margin: 12px 0 18px; font-size: clamp(42px, 7vw, 92px); line-height: .95; letter-spacing: -.065em; }
.explore-hero > p:last-child { margin: 0; font-size: 18px; opacity: .8; }
.topic-grid { max-width: 1600px; margin: 0 auto 70px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.topic-card { min-height: 180px; padding: 24px; border-radius: 25px; display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-end; color: #fff; background: linear-gradient(145deg, color-mix(in srgb, var(--topic-accent) 80%, #17151d), var(--topic-accent)); transition: transform .22s ease, box-shadow .22s ease; }
.topic-card:hover { transform: translateY(-5px) rotate(-.4deg); box-shadow: var(--shadow); }
.topic-card span { opacity: .72; font-size: 12px; }
.topic-card h2 { margin: 6px 0 18px; font-size: 28px; }
.topic-card b { font-size: 13px; }

.detail-shell { max-width: 1180px; margin: 42px auto 80px; }
.detail-card { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(380px, .92fr); overflow: hidden; border: 1px solid var(--line); border-radius: 34px; background: #fff; box-shadow: var(--shadow); }
.detail-image { min-height: 650px; background: #eeeae5; }
.detail-image img { width: 100%; height: 100%; object-fit: cover; }
.detail-info { padding: clamp(26px, 4vw, 52px); }
.detail-actions { min-height: 48px; margin-bottom: 34px; display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.detail-actions form { margin: 0; }
.icon-label { height: 44px; padding: 0 13px; border: 0; border-radius: 15px; display: flex; align-items: center; gap: 7px; background: var(--soft); }
.icon-label span { font-size: 22px; }
.icon-label.liked { color: var(--coral); background: #fff0eb; }
.save-combo { display: flex; }
.save-combo select { min-width: 145px; padding: 0 10px; border: 1px solid var(--line); border-radius: 14px 0 0 14px; background: #fff; }
.save-combo .save-button { border-radius: 0 14px 14px 0; }
.detail-topic { color: var(--violet); font-size: 12px; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.detail-info h1 { margin: 12px 0 18px; font-size: clamp(34px, 4vw, 54px); line-height: 1.02; letter-spacing: -.055em; }
.detail-description { color: #544f5a; line-height: 1.75; }
.source-link { display: inline-flex; gap: 8px; margin-top: 10px; padding-bottom: 3px; border-bottom: 1px solid; font-weight: 750; }
.creator-block { margin: 32px 0; padding: 22px 0; border-block: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.creator-avatar { width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center; overflow: hidden; color: #fff; background: var(--violet); font-weight: 900; }
.creator-avatar img { width: 100%; height: 100%; object-fit: cover; }
.creator span:last-child { display: grid; gap: 3px; }
.creator small, .view-count { color: var(--muted); font-size: 12px; }
.comments h2 { font-size: 17px; }
.comments h2 span { color: var(--muted); font-weight: 500; }
.comment-form { display: flex; margin: 15px 0 20px; }
.comment-form input { min-width: 0; flex: 1; height: 45px; padding: 0 14px; border: 1px solid var(--line); border-radius: 14px 0 0 14px; outline: none; background: var(--paper); }
.comment-form button { padding: 0 15px; border: 0; border-radius: 0 14px 14px 0; color: #fff; background: var(--ink); font-weight: 800; }
.comment-list { display: grid; gap: 15px; }
.comment { display: flex; gap: 10px; }
.comment p { margin: 2px 0 0; line-height: 1.5; font-size: 13px; }
.comment p small { display: block; color: var(--muted); }
.muted { color: var(--muted); }
.related-masonry { max-width: 1500px; }

.auth-page { max-width: 1250px; min-height: calc(100vh - 150px); margin: 34px auto; display: grid; grid-template-columns: 1.12fr .88fr; overflow: hidden; border: 1px solid var(--line); border-radius: 36px; background: #fff; box-shadow: var(--shadow); }
.auth-page.reverse { grid-template-columns: .88fr 1.12fr; }
.auth-page.reverse .auth-art { order: 2; }
.auth-art { min-height: 690px; padding: 55px; display: flex; align-items: flex-end; position: relative; overflow: hidden; color: #fff; background: radial-gradient(circle at 15% 10%, #9a83ff, transparent 35%), linear-gradient(145deg, #1b1531, #6f5cff 60%, #ff785a); }
.register-art { background: radial-gradient(circle at 80% 15%, #ffe2a8, transparent 30%), linear-gradient(145deg, #172d29, #168b72 58%, #ff9b6f); }
.password-art { background: radial-gradient(circle at 78% 18%, #c7f1ff, transparent 32%), linear-gradient(145deg, #191b38, #4f61d8 58%, #22a6a1); }
.auth-art::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 35%, rgba(10,8,14,.55)); }
.auth-art-copy { position: relative; z-index: 2; }
.auth-art-copy span { font-size: 11px; font-weight: 900; letter-spacing: .18em; }
.auth-art-copy h1 { margin: 12px 0 17px; font-size: clamp(42px, 5vw, 70px); line-height: .98; letter-spacing: -.065em; }
.auth-art-copy p { margin: 0; opacity: .78; }
.floating-card { position: absolute; z-index: 1; width: 170px; height: 235px; border: 8px solid rgba(255,255,255,.72); border-radius: 26px; background: linear-gradient(145deg, #ffcf9c, #ff6f7d); box-shadow: 0 25px 80px rgba(0,0,0,.28); animation: float 6s ease-in-out infinite; }
.card-a { top: 55px; left: 13%; transform: rotate(-10deg); }
.card-b { top: 120px; right: 10%; background: linear-gradient(145deg, #b6f1d3, #39a3b8); transform: rotate(9deg); animation-delay: -2s; }
.card-c { width: 140px; height: 190px; top: 305px; left: 42%; background: linear-gradient(145deg, #f6d365, #fda085); transform: rotate(3deg); animation-delay: -4s; }
.auth-panel { padding: clamp(35px, 6vw, 78px); display: flex; flex-direction: column; justify-content: center; }
.auth-brand { margin-bottom: 42px; align-self: flex-start; }
.auth-panel h2 { margin: 8px 0; font-size: 34px; letter-spacing: -.04em; }
.auth-sub { margin: 0 0 26px; color: var(--muted); }
.stack-form, .surface-form { display: grid; gap: 17px; }
.stack-form label, .form-label { display: grid; gap: 8px; color: #3d3943; font-size: 13px; font-weight: 750; }
.field-wrap input, .stack-form input, .surface-form input:not([type="checkbox"]), .surface-form textarea, .surface-form select, .editor-fields input:not([type="checkbox"]), .editor-fields textarea, .editor-fields select { width: 100%; min-height: 50px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 14px; outline: none; background: #fbfaf8; transition: .2s; }
.surface-form textarea, .editor-fields textarea { resize: vertical; }
.field-wrap input:focus, .stack-form input:focus, .surface-form input:focus, .surface-form textarea:focus, .editor-fields input:focus, .editor-fields textarea:focus, .editor-fields select:focus { border-color: var(--violet); background: #fff; box-shadow: 0 0 0 3px rgba(111,92,255,.12); }
.auth-switch { margin: 24px 0 0; text-align: center; color: var(--muted); }
.auth-switch a { color: var(--violet); font-weight: 850; }
.auth-form-meta { margin-top: -7px; display: flex; justify-content: flex-end; font-size: 13px; }
.auth-form-meta a, .auth-back-link { color: var(--violet); font-weight: 800; }
.auth-status { margin: 8px 0 24px; padding: 15px 17px; border: 1px solid #dce5ff; border-radius: 15px; color: #45516f; background: #f4f7ff; line-height: 1.65; }
.auth-status.success { border-color: #ccebdd; color: #245f48; background: #f0fbf6; }
.auth-actions { display: grid; gap: 12px; }
.help-text { color: var(--muted); font-weight: 450; line-height: 1.45; }
.field-error, .form-error { color: #c73f32; font-weight: 650; }
.form-error { padding: 12px 14px; border-radius: 12px; background: #fff0ed; }

.editor-page { max-width: 1160px; margin: 45px auto; }
.editor-heading, .page-heading { margin-bottom: 28px; }
.editor-heading h1, .page-heading h1 { margin: 8px 0; font-size: clamp(36px, 5vw, 64px); letter-spacing: -.06em; }
.editor-heading > p:last-child, .page-heading > p:last-child { color: var(--muted); }
.editor-card { padding: 24px; border: 1px solid var(--line); border-radius: 30px; display: grid; grid-template-columns: .85fr 1.15fr; gap: 28px; background: #fff; box-shadow: var(--shadow); }
.upload-zone { min-height: 570px; position: relative; overflow: hidden; border: 2px dashed #d3cfc9; border-radius: 23px; display: grid; place-items: center; background: #f4f2ee; }
.upload-zone input[type=file] { position: absolute; inset: 0; z-index: 2; width: 100%; height: 100%; opacity: 0; cursor: pointer; }
.upload-preview { width: 100%; height: 100%; padding: 35px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; background-size: cover; background-position: center; }
.upload-preview.has-image { color: #fff; text-shadow: 0 2px 20px rgba(0,0,0,.5); }
.upload-icon { width: 62px; height: 62px; border-radius: 50%; display: grid; place-items: center; color: #fff; background: var(--violet); font-size: 30px; }
.upload-preview h2 { margin: 18px 0 5px; }
.upload-preview p { max-width: 300px; color: var(--muted); font-size: 13px; line-height: 1.6; }
.upload-preview.has-image p { color: #fff; }
.editor-fields { display: grid; align-content: start; gap: 15px; padding: 10px 8px; }
.editor-fields .form-label { display: grid; gap: 7px; }
.checkbox-row { display: flex; align-items: center; gap: 9px; font-weight: 700; }
.checkbox-row input { width: 19px; height: 19px; accent-color: var(--violet); }
.editor-buttons { margin-top: 10px; display: flex; justify-content: flex-end; gap: 10px; }
.narrow-page { max-width: 680px; margin: 60px auto; }
.surface-form { padding: 30px; border: 1px solid var(--line); border-radius: 26px; background: #fff; box-shadow: var(--shadow); }

.profile-hero, .board-hero { max-width: 1000px; margin: 60px auto; text-align: center; }
.profile-avatar { width: 112px; height: 112px; margin: 0 auto 18px; border: 6px solid #fff; border-radius: 50%; display: grid; place-items: center; overflow: hidden; color: #fff; background: linear-gradient(145deg, var(--violet), var(--coral)); box-shadow: 0 16px 42px rgba(80,60,150,.22); font-size: 34px; font-weight: 900; }
.profile-avatar img { width: 100%; height: 100%; object-fit: cover; }
.profile-hero h1, .board-hero h1 { margin: 8px 0 2px; font-size: clamp(42px, 6vw, 72px); line-height: 1; letter-spacing: -.065em; }
.profile-handle { margin: 8px 0; color: var(--muted); }
.profile-bio { max-width: 580px; margin: 18px auto; line-height: 1.6; }
.profile-counts { margin: 20px 0; display: flex; justify-content: center; gap: 8px; color: var(--muted); font-size: 13px; }
.profile-counts > a, .profile-counts > span { min-width: 88px; padding: 10px 13px; border-radius: 15px; display: grid; gap: 2px; transition: .2s ease; }
.profile-counts > a:hover { color: var(--ink); background: #fff; box-shadow: 0 10px 30px rgba(30,27,36,.08); transform: translateY(-2px); }
.profile-counts b { color: var(--ink); font-size: 17px; }
.profile-counts span span, .profile-counts a span { font-size: 12px; }
.profile-actions { display: flex; justify-content: center; gap: 10px; }
.profile-section { max-width: 1600px; margin: 60px auto; }
.connections-page { max-width: 980px; margin: 42px auto 90px; }
.connections-toolbar { margin-bottom: 18px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.connections-toolbar .back-link { margin: 0; }
.connections-header { padding: 23px 26px; border: 1px solid var(--line); border-radius: 24px; display: flex; align-items: center; justify-content: space-between; gap: 25px; background: linear-gradient(135deg, #fff 0%, #faf8ff 100%); box-shadow: 0 14px 40px rgba(30,27,36,.06); }
.connections-header h1 { margin: 3px 0 0; font-size: clamp(34px, 4vw, 46px); line-height: 1; letter-spacing: -.055em; }
.connections-intro { margin: 9px 0 0; color: var(--muted); font-size: 13px; }
.connections-owner { min-width: 0; padding: 6px 10px 6px 7px; border: 1px solid var(--line); border-radius: 999px; display: flex; align-items: center; gap: 9px; background: rgba(255,255,255,.82); transition: .2s ease; }
.connections-owner:hover { border-color: #d7cfee; background: #fff; box-shadow: 0 8px 24px rgba(30,27,36,.07); transform: translateY(-1px); }
.connections-owner > span:last-child { min-width: 0; display: grid; gap: 1px; }
.connections-owner strong, .connections-owner small { max-width: 170px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.connections-owner strong { font-size: 13px; }
.connections-owner small { color: var(--muted); font-size: 11px; }
.connections-total { min-width: 96px; padding: 11px 16px; border: 1px solid rgba(111,92,255,.12); border-radius: 18px; display: grid; text-align: right; background: rgba(111,92,255,.07); }
.connections-total strong { color: var(--violet); font-size: 25px; line-height: 1; }
.connections-total span { margin-top: 4px; color: var(--muted); font-size: 11px; }
.connection-avatar { width: 44px; height: 44px; flex: 0 0 auto; border-radius: 50%; display: grid; place-items: center; overflow: hidden; color: #fff; background: linear-gradient(145deg, var(--violet), var(--coral)); font-size: 15px; font-weight: 900; box-shadow: inset 0 0 0 1px rgba(255,255,255,.45); }
.connection-avatar img { width: 100%; height: 100%; object-fit: cover; }
.owner-avatar { width: 36px; height: 36px; font-size: 12px; }
.connection-tabs { width: 100%; margin: 18px 0 14px; padding: 4px; border: 1px solid var(--line); border-radius: 15px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 4px; background: #f0ede9; }
.connection-tabs a { min-width: 0; padding: 9px 18px; border-radius: 11px; display: flex; align-items: center; justify-content: center; gap: 6px; text-align: center; color: #5f5968; font-size: 12px; font-weight: 750; }
.connection-tabs a b { color: inherit; font-size: 14px; }
.connection-tabs a.active { color: var(--violet); background: #fff; box-shadow: 0 4px 14px rgba(30,27,36,.07); }
.connection-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.connection-card { min-width: 0; padding: 16px; border: 1px solid var(--line); border-radius: 18px; display: grid; grid-template-columns: minmax(0, 1fr) auto; grid-template-areas: "person action" "bio bio" "meta meta"; column-gap: 12px; row-gap: 10px; background: rgba(255,255,255,.92); transition: .2s ease; }
.connection-card:hover { border-color: #d8d2ee; box-shadow: 0 14px 38px rgba(30,27,36,.08); transform: translateY(-2px); }
.connection-card:focus-within { border-color: #c9bfff; box-shadow: 0 14px 38px rgba(30,27,36,.08); }
.connection-person { grid-area: person; min-width: 0; display: flex; align-items: center; gap: 11px; }
.connection-copy { min-width: 0; display: grid; gap: 3px; }
.connection-copy strong, .connection-copy small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.connection-copy strong { font-size: 14px; }
.connection-copy small { color: var(--muted); font-size: 11px; }
.connection-bio { grid-area: bio; min-height: 38px; margin: 0; overflow: hidden; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; color: #625c68; font-size: 12px; line-height: 1.55; }
.connection-meta { grid-area: meta; display: flex; gap: 7px; color: var(--muted); font-size: 10px; }
.connection-meta span { padding: 5px 8px; border-radius: 999px; background: var(--soft); }
.connection-meta b { color: var(--ink); }
.connection-action { grid-area: action; align-self: center; }
.connection-action form { margin: 0; }
.connection-button { min-width: 78px; height: 36px; padding: 0 14px; border-radius: 999px; display: inline-flex; align-items: center; justify-content: center; font-size: 11px; white-space: nowrap; }
.connection-self { min-width: 54px; height: 30px; padding: 0 11px; border-radius: 999px; display: inline-flex; align-items: center; justify-content: center; color: var(--muted); background: var(--soft); font-size: 10px; font-weight: 750; }
.connections-owner:focus-visible, .connection-person:focus-visible, .connection-tabs a:focus-visible, .connection-button:focus-visible { outline: 3px solid rgba(111,92,255,.32); outline-offset: 3px; }
.connections-empty { padding: 48px 24px; border: 1px dashed #d9d4ce; border-radius: 20px; text-align: center; color: var(--muted); background: rgba(255,255,255,.55); }
.connections-empty b { color: var(--ink); font-size: 19px; }
.connections-empty p { margin: 8px 0 0; }
.pagination { margin-top: 32px; display: flex; align-items: center; justify-content: center; gap: 16px; color: var(--muted); font-size: 13px; }
.pagination a { padding: 9px 14px; border: 1px solid var(--line); border-radius: 12px; color: var(--ink); background: #fff; font-weight: 750; }
.board-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.board-card { padding: 10px 10px 17px; border-radius: 24px; background: #fff; transition: .2s ease; }
.board-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.board-cover { height: 190px; display: grid; grid-template-columns: 2fr 1fr; grid-template-rows: 1fr 1fr; gap: 3px; overflow: hidden; border-radius: 18px; background: linear-gradient(145deg, #e5e0ff, #ffded3); }
.board-cover img { width: 100%; height: 100%; object-fit: cover; }
.board-cover img:first-child { grid-row: 1 / 3; }
.board-cover span { grid-column: 1 / 3; grid-row: 1 / 3; display: grid; place-items: center; font-size: 40px; }
.board-card h3 { margin: 13px 5px 3px; font-size: 17px; }
.board-card h3 small { color: var(--muted); font-size: 10px; }
.board-card p { margin: 0 5px; color: var(--muted); font-size: 12px; }
.inline-empty { padding: 35px; border-radius: 20px; color: var(--muted); background: var(--soft); }
.board-hero > p { max-width: 650px; margin: 16px auto; color: var(--muted); }
.back-link { display: inline-block; margin-bottom: 28px; color: var(--muted); font-weight: 750; }
.board-meta { display: flex; justify-content: center; gap: 15px; font-size: 13px; font-weight: 750; }

.settings-layout { max-width: 1020px; margin: 55px auto; display: grid; grid-template-columns: 250px 1fr; gap: 35px; }
.settings-nav { display: flex; flex-direction: column; align-items: flex-start; }
.settings-nav h1 { margin: 8px 0 25px; font-size: 34px; letter-spacing: -.04em; }
.settings-nav a { width: 100%; padding: 12px 14px; border-radius: 12px; color: var(--muted); font-weight: 700; }
.settings-nav a.active, .settings-nav a:hover { color: var(--ink); background: var(--soft); }
.settings-form { box-shadow: none; }
.form-section-head { padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.form-section-head h2 { margin: 0 0 5px; }
.form-section-head p { margin: 0; color: var(--muted); }
.empty-state { max-width: 700px; margin: 90px auto; padding: 65px 30px; border: 1px solid var(--line); border-radius: 32px; text-align: center; background: #fff; }
.empty-orb { width: 75px; height: 75px; margin: 0 auto; border-radius: 50%; display: grid; place-items: center; color: #fff; background: linear-gradient(145deg, var(--violet), var(--coral)); font-size: 28px; }
.empty-state h2 { font-size: 28px; }
.empty-state p { color: var(--muted); }

@keyframes pop { from { opacity: 0; transform: translateY(-6px) scale(.97); } }
@keyframes float { 0%,100% { translate: 0 0; } 50% { translate: 0 -18px; } }
@keyframes toast-in { from { opacity: 0; transform: translateY(-12px); } }
@keyframes toast-out { to { opacity: 0; transform: translateY(-8px); visibility: hidden; } }

@media (max-width: 1050px) {
  .desktop-nav { display: none; }
  .masonry { columns: 4 190px; }
  .topic-grid, .board-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-card { grid-template-columns: 1fr 420px; }
  .auth-page { grid-template-columns: 1fr 1fr; }
  .connection-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  body { padding-bottom: 74px; }
  main { padding: 0 12px 40px; }
  .topbar { height: 68px; padding: 10px 13px; gap: 8px; }
  .brand-word, .top-actions .button, .create-shortcut { display: none; }
  .brand-mark { width: 42px; height: 42px; }
  .global-search { height: 45px; border-radius: 15px; }
  .global-search kbd { display: none; }
  .avatar-button { width: 42px; height: 42px; }
  .user-menu { width: min(228px, calc(100vw - 24px)); top: 51px; right: -1px; padding: 9px; border-radius: 19px; box-shadow: 0 22px 55px rgba(24,18,36,.22); }
  .user-menu .menu-logout-button { min-height: 46px; border-radius: 13px; justify-content: flex-start; color: #b52e35; background: linear-gradient(135deg, #fff3f3, #ffe9e9); font-size: 14px; }
  .user-menu .menu-logout-button:active { color: #fff; background: #bc343a; transform: scale(.985); }
  .mobile-nav { position: fixed; z-index: 45; left: 10px; right: 10px; bottom: calc(8px + env(safe-area-inset-bottom)); height: 66px; padding: 6px 12px; border: 1px solid rgba(255,255,255,.68); border-radius: 24px; display: flex; align-items: center; justify-content: space-around; background: rgba(25,22,31,.92); box-shadow: 0 16px 40px rgba(15,12,25,.28); backdrop-filter: blur(18px); }
  .mobile-nav a { min-width: 55px; display: grid; place-items: center; gap: 2px; color: rgba(255,255,255,.72); font-size: 9px; font-weight: 750; }
  .mobile-nav svg { width: 23px; height: 23px; fill: none; stroke: currentColor; stroke-width: 1.8; }
  .mobile-nav .mobile-create { color: #fff; }
  .mobile-create svg { width: 39px; height: 39px; padding: 9px; border-radius: 14px; background: var(--violet); }
  .home-feature { margin: 14px auto 21px; }
  .home-feature-link { height: clamp(224px, 61vw, 252px); border-radius: 27px; box-shadow: 0 20px 48px rgba(28,21,43,.24); }
  .home-feature-image { transform: scale(1.015); }
  .home-feature-scrim { background: linear-gradient(90deg, rgba(10,9,14,.88) 0%, rgba(10,9,14,.61) 48%, rgba(10,9,14,.08) 100%), linear-gradient(0deg, rgba(10,9,14,.42), transparent 58%); }
  .home-feature-copy { max-width: calc(100% - 36px); right: 18px; left: 18px; bottom: 17px; }
  .home-feature-kicker { margin-bottom: 7px; font-size: 8px; letter-spacing: .16em; }
  .home-feature-kicker::before { width: 16px; margin-right: 7px; }
  .home-feature-title { max-width: 100%; overflow: hidden; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; font-size: clamp(27px, 8vw, 34px); line-height: .96; text-shadow: 0 6px 22px rgba(0,0,0,.28); }
  .home-feature-subtitle { max-width: 83%; margin-top: 8px; -webkit-line-clamp: 1; font-size: 10px; line-height: 1.45; opacity: .74; }
  .home-feature-edition { top: 13px; right: 13px; padding: 6px 7px 6px 10px; gap: 7px; background: rgba(16,13,21,.22); font-size: 6px; }
  .home-feature-edition span { display: none; }
  .home-feature-edition strong { width: 23px; height: 23px; font-size: 8px; }
  .home-feature-footer { margin-top: 12px; justify-content: space-between; gap: 10px; }
  .home-feature-credit { gap: 7px; }
  .home-feature-credit-avatar { width: 30px; height: 30px; font-size: 10px; }
  .home-feature-credit-copy { gap: 0; }
  .home-feature-credit-copy small { font-size: 7px; }
  .home-feature-credit-copy strong { max-width: 105px; font-size: 9px; }
  .home-feature-cta { min-height: 32px; padding-inline: 11px; gap: 6px; font-size: 9px; }
  .feed-head { margin: 28px auto 18px; align-items: start; }
  .feed-head .button { display: none; }
  .feed-head h1 { font-size: 37px; }
  .topic-rail { margin-inline: -12px; padding-inline: 12px; }
  .masonry { columns: 2; column-gap: 10px; }
  .pin-card { margin-bottom: 16px; }
  .pin-media { border-radius: 17px; }
  .pin-copy { padding-inline: 2px; }
  .pin-title { font-size: 13px; }
  .pin-author-row { font-size: 10px; }
  .pin-overlay { inset: 8px 8px auto; opacity: 1; transform: none; }
  .pin-overlay .round-action { display: none; }
  .save-button { height: 36px; padding: 0 12px; border-radius: 12px; font-size: 12px; }
  .explore-hero { min-height: 330px; margin-top: 16px; padding: 28px; border-radius: 27px; }
  .explore-hero h1 { font-size: 48px; }
  .topic-grid { grid-template-columns: 1fr 1fr; gap: 9px; }
  .topic-card { min-height: 145px; padding: 17px; border-radius: 20px; }
  .topic-card h2 { font-size: 21px; }
  .detail-shell { margin: 18px auto 50px; }
  .detail-card { display: block; border-radius: 26px; }
  .detail-image { min-height: auto; }
  .detail-image img { height: auto; }
  .detail-info { padding: 23px 20px 30px; }
  .detail-actions { margin-bottom: 25px; }
  .save-combo select { max-width: 120px; min-width: 100px; }
  .detail-info h1 { font-size: 36px; }
  .creator-block { align-items: flex-start; }
  .auth-page, .auth-page.reverse { min-height: 0; margin: 17px auto; display: block; border-radius: 28px; }
  .auth-art, .auth-page.reverse .auth-art { min-height: 275px; padding: 25px; order: initial; }
  .auth-art-copy h1 { font-size: 39px; }
  .auth-art-copy p { display: none; }
  .floating-card { width: 85px; height: 120px; border-width: 4px; border-radius: 15px; }
  .card-a { top: 20px; }
  .card-b { top: 45px; }
  .card-c { top: 110px; width: 70px; height: 95px; }
  .auth-panel { padding: 32px 24px; }
  .auth-brand { display: none; }
  .editor-page { margin: 28px auto; }
  .editor-card { padding: 13px; display: block; border-radius: 24px; }
  .upload-zone { min-height: 380px; margin-bottom: 20px; }
  .editor-fields { padding: 4px; }
  .profile-hero { margin: 35px auto; }
  .profile-hero h1, .board-hero h1 { font-size: 43px; }
  .profile-counts { gap: 12px; }
  .profile-counts > a, .profile-counts > span { min-width: 76px; padding-inline: 9px; }
  .connections-page { margin: 24px auto 50px; }
  .connections-toolbar { margin-bottom: 14px; gap: 10px; }
  .connections-toolbar .back-link { font-size: 12px; }
  .connections-owner { padding: 4px 8px 4px 5px; }
  .connections-owner strong, .connections-owner small { max-width: 105px; }
  .connections-header { padding: 18px; border-radius: 20px; }
  .connections-header h1 { font-size: 34px; }
  .connections-intro { max-width: 210px; font-size: 11px; }
  .connections-total { min-width: 76px; padding: 9px 11px; border-radius: 15px; }
  .connections-total strong { font-size: 21px; }
  .connection-avatar { width: 40px; height: 40px; font-size: 13px; }
  .owner-avatar { width: 32px; height: 32px; font-size: 11px; }
  .connection-tabs { margin: 14px 0 11px; }
  .connection-tabs a { padding: 8px 10px; }
  .connection-grid { grid-template-columns: 1fr; gap: 11px; }
  .connection-card { padding: 13px 14px; border-radius: 16px; column-gap: 9px; row-gap: 8px; }
  .connection-bio { min-height: 19px; -webkit-line-clamp: 1; font-size: 11px; }
  .connection-button { min-width: 70px; height: 38px; padding: 0 11px; }
  .board-grid { grid-template-columns: 1fr 1fr; gap: 9px; }
  .board-cover { height: 130px; }
  .settings-layout { margin: 28px auto; display: block; }
  .settings-nav { margin-bottom: 20px; }
  .settings-nav a { display: none; }
  .surface-form { padding: 21px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}