:root {
    --bg: #f3f5fb;
    --bg-strong: #dde7ff;
    --text: #121522;
    --text-soft: #4d5571;
    --card: #ffffff;
    --border: rgba(10, 18, 45, 0.12);
    --accent: #0d6dff;
    --accent-strong: #0347c7;
    --accent-contrast: #ffffff;
    --shadow: 0 22px 40px rgba(8, 17, 43, 0.1);
    --warm: #ff944d;
}

html[data-theme="dark"] {
    --bg: #070b13;
    --bg-strong: #0f1626;
    --text: #d6def2;
    --text-soft: #95a1bf;
    --card: #121a2b;
    --border: rgba(154, 173, 229, 0.2);
    --accent: #3f6ea8;
    --accent-strong: #2d5280;
    --accent-contrast: #f6f9ff;
    --shadow: 0 22px 40px rgba(0, 0, 0, 0.35);
    --warm: #ffb06f;
}

html[data-theme="dark"] body {
    background: radial-gradient(circle at 15% 20%, #101a2d, transparent 42%),
        radial-gradient(circle at 80% 10%, rgba(63, 110, 168, 0.14), transparent 48%),
        var(--bg);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Manrope", sans-serif;
    color: var(--text);
    background: radial-gradient(circle at 15% 20%, var(--bg-strong), transparent 45%),
        radial-gradient(circle at 80% 10%, rgba(20, 168, 132, 0.2), transparent 50%),
        var(--bg);
    min-height: 100vh;
    transition: background 0.3s ease, color 0.3s ease;
}

h1, h2, h3 {
    font-family: "Sora", sans-serif;
    letter-spacing: -0.02em;
    margin-top: 0;
}

main {
    max-width: 1120px;
    margin: 0 auto;
    padding: 2rem 1rem 4rem;
}

.bg-layer {
    position: fixed;
    z-index: -1;
    width: 340px;
    height: 340px;
    filter: blur(35px);
    opacity: 0.32;
}

.bg-one {
    top: -90px;
    right: -80px;
    background: #0d6dff;
}

.bg-two {
    bottom: -120px;
    left: -90px;
    background: #1aba90;
}

html[data-theme="dark"] .bg-two {
    background: #0055a4;
}

.pc-header-wrap {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(10px);
    background: color-mix(in srgb, var(--bg) 75%, transparent);
    border-bottom: 1px solid var(--border);
}

.pc-header {
    max-width: 1120px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.pc-brand {
    font-family: "Sora", sans-serif;
    font-size: 1.35rem;
    font-weight: 800;
    text-decoration: none;
    color: var(--text);
    position: relative;
}

.pc-brand::after {
    content: "beta social";
    position: absolute;
    top: -0.65rem;
    right: -4.9rem;
    font-size: 0.62rem;
    background: linear-gradient(135deg, var(--accent), var(--warm));
    color: var(--accent-contrast);
    border-radius: 999px;
    padding: 0.15rem 0.42rem;
    letter-spacing: 0.04em;
}

.pc-nav {
    display: flex;
    gap: 0.45rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: color-mix(in srgb, var(--card) 86%, transparent);
    padding: 0.28rem;
}

.pc-nav a {
    text-decoration: none;
    color: var(--text-soft);
    font-weight: 700;
    border-radius: 999px;
    padding: 0.42rem 0.72rem;
    transition: background 0.2s ease, color 0.2s ease;
}

.pc-nav a:hover {
    color: var(--text);
    background: color-mix(in srgb, var(--card) 70%, var(--accent) 8%);
}

.pc-nav a.is-active {
    color: var(--text);
    background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 22%, var(--card)), var(--card));
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 28%, var(--border));
}

.pc-header-actions {
    display: flex;
    align-items: center;
    gap: 0.55rem;
}

.nav-cta {
    border-radius: 999px;
    padding: 0.5rem 0.9rem;
}

.theme-toggle {
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0.5rem 0.85rem;
    background: var(--card);
    color: var(--text);
    font-weight: 700;
    cursor: pointer;
}

.hero,
.list-hero,
.chat-detail {
    background: color-mix(in srgb, var(--card) 88%, transparent);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 2.2rem;
    box-shadow: var(--shadow);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.35fr 0.75fr;
    gap: 1rem;
}

.pulse-panel {
    border: 1px solid var(--border);
    border-radius: 16px;
    background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 10%, var(--card)), var(--card));
    padding: 1rem;
}

.pulse-panel h3 {
    margin: 0 0 0.55rem;
}

.pulse-panel ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.pulse-panel li {
    position: relative;
    padding: 0.5rem 0 0.5rem 1.1rem;
    border-bottom: 1px dashed var(--border);
    color: var(--text-soft);
}

.pulse-panel li::before {
    content: "";
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 999px;
    background: var(--accent);
    position: absolute;
    left: 0;
    top: 0.9rem;
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 60%, transparent);
    animation: ping 2.2s infinite;
}

.kpi-row {
    margin-top: 1rem;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.65rem;
}

.kpi-card {
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--card);
    padding: 0.75rem;
}

.kpi-card p {
    margin: 0;
    font-size: 1.35rem;
    font-family: "Sora", sans-serif;
    font-weight: 800;
}

.kpi-card span {
    color: var(--text-soft);
    font-size: 0.88rem;
}

.ticker {
    margin-top: 1rem;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--card);
    overflow: hidden;
}

.ticker-track {
    white-space: nowrap;
    display: inline-block;
    padding: 0.7rem 0;
    animation: marquee 16s linear infinite;
}

.ticker-track span {
    margin-right: 2rem;
    color: var(--text-soft);
    font-weight: 700;
}

.ticker-track span::before {
    content: "•";
    color: var(--accent);
    margin-right: 0.5rem;
}

.eyebrow {
    font-size: 0.78rem;
    letter-spacing: 0.11em;
    color: var(--accent);
    font-weight: 800;
}

.lead { color: var(--text-soft); max-width: 67ch; }

.hero-actions,
.chat-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.quick-join {
    margin-top: 0.95rem;
    display: grid;
    grid-template-columns: 0.6fr 1fr 0.55fr 1fr auto;
    gap: 0.45rem;
    align-items: center;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--card);
    padding: 0.6rem;
}

.quick-join label {
    font-size: 0.78rem;
    color: var(--text-soft);
    font-weight: 700;
}

.quick-join input,
.quick-join select {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: color-mix(in srgb, var(--card) 90%, var(--bg));
    color: var(--text);
    padding: 0.52rem 0.58rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    border-radius: 12px;
    padding: 0.72rem 1rem;
    font-weight: 700;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: var(--accent-contrast);
}

.btn-ghost {
    border: 1px solid var(--border);
    color: var(--text);
    background: color-mix(in srgb, var(--card) 88%, var(--bg));
}

.flash-stack {
    display: grid;
    gap: 0.55rem;
    margin-bottom: 1rem;
}

.flash {
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--card);
    padding: 0.72rem 0.85rem;
    font-weight: 700;
}

.flash-success {
    border-color: color-mix(in srgb, #2baf6a 40%, var(--border));
}

.flash-error {
    border-color: color-mix(in srgb, #d44f4f 40%, var(--border));
}

.auth-wrap {
    margin-top: 1.2rem;
}

.auth-card {
    max-width: 640px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--card);
    padding: 1.1rem;
    box-shadow: var(--shadow);
}

.auth-form {
    display: grid;
    gap: 0.75rem;
}

.auth-form label {
    display: grid;
    gap: 0.35rem;
    font-weight: 700;
    color: var(--text-soft);
}

.auth-form input {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: color-mix(in srgb, var(--card) 90%, var(--bg));
    color: var(--text);
    padding: 0.62rem;
    font: inherit;
}

.errorlist {
    margin: 0;
    padding-left: 1rem;
    color: #d44f4f;
    font-size: 0.9rem;
}

.auth-alt {
    color: var(--text-soft);
}

.auth-alt a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 700;
}

.account-list {
    margin: 0 0 1rem;
    padding-left: 1.1rem;
    color: var(--text-soft);
}

.account-list li {
    margin-bottom: 0.35rem;
}

.ac-hero-shell {
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 2rem;
    background:
        radial-gradient(circle at 0% 0%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 34%),
        radial-gradient(circle at 100% 120%, color-mix(in srgb, var(--warm) 15%, transparent), transparent 32%),
        color-mix(in srgb, var(--card) 90%, transparent);
    box-shadow: var(--shadow);
}

.ac-hero-shell h1 {
    margin: 0.4rem 0 0.55rem;
}

.ac-grid {
    margin-top: 1.15rem;
    display: grid;
    gap: 1rem;
}

.ac-grid-login,
.ac-grid-register {
    grid-template-columns: 1.25fr 0.75fr;
}

.ac-grid-profile {
    grid-template-columns: repeat(12, minmax(0, 1fr));
}

.ac-grid-profile .ac-panel:nth-child(1),
.ac-grid-profile .ac-panel:nth-child(2) {
    grid-column: span 6;
}

.ac-grid-profile .ac-panel:nth-child(3) {
    grid-column: span 12;
}

.ac-grid-logout {
    grid-template-columns: 1fr 0.9fr;
}

.ac-panel {
    border: 1px solid var(--border);
    border-radius: 18px;
    background: color-mix(in srgb, var(--card) 90%, transparent);
    padding: 1.1rem;
    box-shadow: var(--shadow);
}

.ac-panel h2,
.ac-panel h3 {
    margin-bottom: 0.45rem;
}

.ac-form-panel {
    background:
        linear-gradient(170deg, color-mix(in srgb, var(--card) 94%, transparent), color-mix(in srgb, var(--card) 86%, var(--bg))),
        var(--card);
}

.ac-form-head p,
.ac-muted {
    color: var(--text-soft);
    margin: 0;
}

.ac-chip {
    display: inline-flex;
    border-radius: 999px;
    padding: 0.2rem 0.56rem;
    border: 1px solid color-mix(in srgb, var(--accent) 28%, var(--border));
    background: color-mix(in srgb, var(--accent) 14%, var(--card));
    color: color-mix(in srgb, var(--accent) 85%, var(--text));
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.04em;
}

.ac-chip-warm {
    border-color: color-mix(in srgb, var(--warm) 45%, var(--border));
    background: color-mix(in srgb, var(--warm) 15%, var(--card));
    color: color-mix(in srgb, var(--warm) 70%, var(--text));
}

.ac-steps {
    margin: 0.9rem 0 1rem;
    display: flex;
    gap: 0.45rem;
    flex-wrap: wrap;
}

.ac-steps span {
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0.22rem 0.6rem;
    font-size: 0.78rem;
    color: var(--text-soft);
    font-weight: 700;
}

.ac-steps .is-active {
    color: var(--text);
    border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
    background: color-mix(in srgb, var(--accent) 16%, var(--card));
}

.ac-form {
    margin-top: 0.95rem;
    display: grid;
    gap: 1rem;
}

.ac-form-register {
    gap: 1.05rem;
}

.ac-form-group {
    border: 1px solid color-mix(in srgb, var(--border) 82%, var(--accent) 18%);
    border-radius: 14px;
    padding: 0.9rem;
    background: color-mix(in srgb, var(--card) 84%, var(--bg));
    display: grid;
    gap: 0.75rem;
}

.ac-form-group h3 {
    margin: 0;
    font-size: 0.94rem;
    color: var(--text);
}

.ac-form-group-compact {
    padding: 0.7rem 0.9rem;
}

.ac-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.7rem;
}

.ac-field {
    display: grid;
    gap: 0.4rem;
    font-weight: 700;
    color: var(--text-soft);
    align-content: start;
}

.ac-form-register .ac-field {
    min-height: 118px;
}

.ac-field-compact {
    min-height: auto;
}

.ac-field input {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 11px;
    background: color-mix(in srgb, var(--card) 85%, var(--bg));
    color: var(--text);
    padding: 0.68rem 0.72rem;
    font: inherit;
}

.ac-field input:focus {
    outline: none;
    border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 24%, transparent);
}

.ac-help {
    font-size: 0.78rem;
    font-weight: 500;
    line-height: 1.35;
    color: var(--text-soft);
}

.ac-field-error {
    font-size: 0.78rem;
    color: #d44f4f;
}

.ac-errors {
    border: 1px solid color-mix(in srgb, #d44f4f 38%, var(--border));
    border-radius: 12px;
    padding: 0.62rem 0.72rem;
    background: color-mix(in srgb, #d44f4f 8%, var(--card));
    color: color-mix(in srgb, #d44f4f 80%, var(--text));
    font-weight: 700;
    font-size: 0.9rem;
}

.ac-inline-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.ac-action-row {
    display: grid;
    gap: 0.55rem;
}

.ac-recaptcha-block {
    margin-top: 0.45rem;
    border: 1px dashed var(--border);
    border-radius: 12px;
    padding: 0.6rem;
    background: color-mix(in srgb, var(--card) 86%, var(--bg));
    overflow-x: auto;
}

.ac-check {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    color: var(--text-soft);
    font-size: 0.9rem;
}

.ac-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 700;
}

.ac-submit {
    width: 100%;
    margin-top: 0;
    min-height: 44px;
}

.ac-divider {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--text-soft);
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.ac-divider::before,
.ac-divider::after {
    content: "";
    height: 1px;
    background: var(--border);
    flex: 1;
}

.ac-oauth-buttons {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.55rem;
}

.ac-oauth-btn {
    text-decoration: none;
    color: #fff;
    border-radius: 10px;
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    letter-spacing: 0.02em;
    border: 1px solid transparent;
    transition: transform 0.14s ease, filter 0.14s ease;
}

.ac-oauth-btn:hover {
    color: #fff;
    transform: translateY(-1px);
    filter: brightness(1.03);
}

.ac-oauth-github {
    background: #24292e;
}

.ac-oauth-discord {
    background: #5865f2;
}

.ac-oauth-google {
    background: #4285f4;
}

.ac-side-stack {
    display: grid;
    gap: 0.9rem;
    align-content: start;
}

.ac-highlight {
    border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
    background:
        radial-gradient(circle at 100% 0%, color-mix(in srgb, var(--accent) 24%, transparent), transparent 43%),
        color-mix(in srgb, var(--card) 87%, transparent);
}

.ac-highlight-warm {
    border-color: color-mix(in srgb, var(--warm) 35%, var(--border));
    background:
        radial-gradient(circle at 100% 0%, color-mix(in srgb, var(--warm) 26%, transparent), transparent 43%),
        color-mix(in srgb, var(--card) 87%, transparent);
}

.ac-highlight ul,
.ac-top-list,
.ac-quick-links,
.ac-data-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.ac-highlight li,
.ac-quick-links li,
.ac-data-list li,
.ac-top-list li {
    border-bottom: 1px dashed var(--border);
    padding: 0.48rem 0;
}

.ac-highlight li:last-child,
.ac-quick-links li:last-child,
.ac-data-list li:last-child,
.ac-top-list li:last-child {
    border-bottom: 0;
}

.ac-top-list li,
.ac-data-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.6rem;
}

.ac-top-list strong,
.ac-data-list strong {
    color: var(--text);
}

.ac-quick-links a {
    color: var(--text);
    text-decoration: none;
    font-weight: 700;
}

.ac-mini-stats {
    margin: 0.65rem 0 0.8rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem;
}

.ac-mini-stats div {
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.62rem;
    background: color-mix(in srgb, var(--card) 84%, var(--bg));
}

.ac-mini-stats strong {
    display: block;
    font-size: 1.2rem;
    font-family: "Sora", sans-serif;
    color: var(--text);
}

.ac-mini-stats span {
    color: var(--text-soft);
    font-size: 0.82rem;
}

.ac-profile-head {
    margin-top: 1.1rem;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: color-mix(in srgb, var(--card) 89%, transparent);
    box-shadow: var(--shadow);
    padding: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.9rem;
    flex-wrap: wrap;
}

.ac-profile-main {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.ac-avatar {
    width: 58px;
    height: 58px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    font-family: "Sora", sans-serif;
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--accent-contrast);
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
}

.ac-profile-main h2 {
    margin: 0;
}

.ac-profile-main p {
    margin: 0.2rem 0;
    color: var(--text-soft);
}

.ac-tags {
    display: flex;
    gap: 0.45rem;
    flex-wrap: wrap;
}

.ac-tags span {
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0.18rem 0.52rem;
    font-size: 0.78rem;
    color: var(--text-soft);
}

.ac-profile-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.ac-inline-actions {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    margin-top: 0.85rem;
}

.cards-section {
    margin-top: 1.8rem;
}

.density-grid {
    margin-top: 1.2rem;
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(12, minmax(0, 1fr));
}

.density-card {
    grid-column: span 4;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--card);
    padding: 1rem;
    box-shadow: var(--shadow);
}

.density-news {
    grid-column: span 12;
}

.density-clock {
    grid-column: span 4;
}

.clock-list {
    margin: 0;
    padding: 0;
    list-style: none;
    max-height: 312px;
    overflow: auto;
    padding-right: 0.2rem;
}

.clock-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    border-bottom: 1px dashed var(--border);
    padding: 0.46rem 0;
}

.clock-row strong {
    display: block;
    color: var(--text);
    font-size: 0.92rem;
}

.clock-row span {
    font-size: 0.74rem;
    color: var(--text-soft);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.clock-row time {
    min-width: 3.2rem;
    text-align: right;
    color: var(--accent);
    font-family: "Sora", sans-serif;
    font-size: 1rem;
    font-weight: 700;
}

.link-list,
.news-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.link-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px dashed var(--border);
    padding: 0.52rem 0;
    gap: 0.6rem;
}

.link-list li a {
    color: var(--text);
    text-decoration: none;
    font-weight: 700;
}

.link-list li span {
    color: var(--text-soft);
    font-size: 0.83rem;
}

.news-list {
    display: grid;
    gap: 0.75rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.news-list li {
    border: 1px solid var(--border);
    border-radius: 12px;
    background: color-mix(in srgb, var(--card) 90%, var(--bg));
    padding: 0.75rem;
}

.news-date {
    color: var(--accent);
    font-weight: 800;
    font-size: 0.74rem;
    letter-spacing: 0.06em;
    margin: 0 0 0.38rem;
}

.section-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.section-head a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 700;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 1rem;
    align-items: stretch;
}

.room-card {
    grid-column: span 6;
    border: 1px solid color-mix(in srgb, var(--border) 75%, var(--accent) 25%);
    background:
        radial-gradient(circle at 85% -10%, color-mix(in srgb, var(--accent) 20%, transparent), transparent 45%),
        radial-gradient(circle at 0% 100%, color-mix(in srgb, var(--warm) 14%, transparent), transparent 42%),
        linear-gradient(155deg, color-mix(in srgb, var(--card) 92%, transparent), color-mix(in srgb, var(--card) 84%, var(--bg)));
    border-radius: 20px;
    padding: 1.15rem;
    box-shadow:
        0 26px 34px color-mix(in srgb, var(--bg) 25%, #000 15%),
        inset 0 1px 0 color-mix(in srgb, #fff 35%, transparent);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    transform: translateY(8px);
    opacity: 0;
    animation: rise 0.55s ease forwards;
    transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.room-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 20%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 58%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.room-card::after {
    content: "";
    position: absolute;
    width: 160px;
    height: 160px;
    right: -70px;
    bottom: -70px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--accent) 30%, transparent);
    filter: blur(28px);
    opacity: 0.25;
    pointer-events: none;
}

.room-card:hover {
    transform: translateY(-6px);
    border-color: color-mix(in srgb, var(--accent) 48%, var(--border));
    box-shadow:
        0 30px 44px color-mix(in srgb, var(--accent) 12%, #000 22%),
        inset 0 1px 0 color-mix(in srgb, #fff 46%, transparent);
}

.room-card:hover::before {
    opacity: 1;
}

.room-online {
    margin: 0.45rem 0 0.2rem;
    color: var(--accent);
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.room-online::before {
    content: "";
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 999px;
    background: var(--accent);
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 55%, transparent);
    animation: ping 2.1s infinite;
}

.detail-online {
    margin-top: -0.35rem;
}

.topic-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin: 0.45rem 0 0.7rem;
}

.topic-row span {
    border: 1px solid color-mix(in srgb, var(--border) 70%, var(--accent) 20%);
    border-radius: 999px;
    padding: 0.22rem 0.54rem;
    font-size: 0.78rem;
    color: var(--text-soft);
    background: color-mix(in srgb, var(--card) 78%, var(--bg));
}

.room-card:nth-child(2n) { animation-delay: 0.08s; }
.room-card:nth-child(3n) { animation-delay: 0.14s; }

.room-region {
    margin: 0;
    width: fit-content;
    font-size: 0.72rem;
    color: color-mix(in srgb, var(--accent) 85%, var(--text));
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border: 1px solid color-mix(in srgb, var(--accent) 32%, var(--border));
    border-radius: 999px;
    padding: 0.18rem 0.48rem;
    background: color-mix(in srgb, var(--card) 68%, var(--accent) 12%);
}

.room-card h3 {
    margin: 0.15rem 0 0.05rem;
    font-size: 1.27rem;
    line-height: 1.15;
}

.room-card p {
    color: var(--text-soft);
    margin: 0;
}

.room-card a {
    text-decoration: none;
    color: var(--accent-contrast);
    font-weight: 800;
    margin-top: auto;
    width: fit-content;
    border-radius: 12px;
    padding: 0.52rem 0.75rem;
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    box-shadow: 0 10px 24px color-mix(in srgb, var(--accent) 30%, transparent);
}

.room-card a::after {
    content: " ↗";
}

.pillars {
    margin-top: 1.5rem;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.pillars article,
.hint-box {
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--card);
    padding: 1rem;
}

.activity-list {
    margin: 0;
    padding-left: 1rem;
}

.activity-list li {
    margin-bottom: 0.35rem;
    color: var(--text-soft);
}

.cta-band {
    margin-top: 1.6rem;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: linear-gradient(
        120deg,
        color-mix(in srgb, var(--accent) 26%, var(--card)),
        color-mix(in srgb, var(--warm) 18%, var(--card))
    );
    padding: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem;
}

@keyframes ping {
    0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 55%, transparent); }
    100% { box-shadow: 0 0 0 10px transparent; }
}

@keyframes marquee {
    from { transform: translateX(0); }
    to { transform: translateX(-40%); }
}

.pc-footer {
    max-width: 1120px;
    margin: 1.5rem auto 2rem;
    padding: 1rem;
    color: var(--text-soft);
    border: 1px solid var(--border);
    border-radius: 20px;
    background:
        radial-gradient(circle at 10% -5%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 35%),
        radial-gradient(circle at 95% 110%, color-mix(in srgb, var(--warm) 12%, transparent), transparent 38%),
        color-mix(in srgb, var(--card) 90%, transparent);
    box-shadow: var(--shadow);
}

.ft-hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    border-bottom: 1px dashed var(--border);
    padding-bottom: 0.9rem;
}

.ft-kicker {
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.72rem;
    color: var(--accent);
    font-weight: 800;
}

.ft-hero h3 {
    margin: 0.25rem 0;
    color: var(--text);
}

.ft-lead {
    margin: 0;
    max-width: 60ch;
}

.ft-social {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.ft-social a {
    border: 1px solid color-mix(in srgb, var(--border) 70%, var(--accent) 22%);
    border-radius: 999px;
    padding: 0.28rem 0.62rem;
    color: var(--text-soft);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.84rem;
}

.ft-social a:hover {
    color: var(--text);
    border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
}

.ft-stats-grid {
    margin-top: 0.95rem;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.7rem;
}

.ft-stat {
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.7rem;
    background: color-mix(in srgb, var(--card) 82%, var(--bg));
}

.ft-stat p {
    margin: 0;
    color: var(--text);
    font-family: "Sora", sans-serif;
    font-size: 1.15rem;
    font-weight: 800;
}

.ft-stat span {
    font-size: 0.82rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.footer-grid h4 {
    margin-bottom: 0.5rem;
    color: var(--text);
}

.footer-grid ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.footer-grid li {
    margin-bottom: 0.3rem;
}

.footer-grid a {
    color: var(--text-soft);
    text-decoration: none;
}

.footer-grid a:hover {
    color: var(--text);
}

.ft-news-mini li {
    margin-bottom: 0.55rem;
}

.ft-news-mini span {
    display: block;
    font-size: 0.72rem;
    color: var(--accent);
    font-weight: 800;
    margin-bottom: 0.12rem;
}

.footer-bottom {
    border-top: 1px dashed var(--border);
    margin-top: 0.95rem;
    padding-top: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.6rem;
}

.ft-powered {
    color: color-mix(in srgb, var(--text-soft) 86%, var(--accent) 14%);
}

@keyframes rise {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 900px) {
    .hero-grid { grid-template-columns: 1fr; }
    .kpi-row { grid-template-columns: 1fr 1fr; }
    .quick-join {
        grid-template-columns: 1fr;
    }
    .density-card,
    .density-news {
        grid-column: span 12;
    }
    .news-list {
        grid-template-columns: 1fr;
    }
    .ft-stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }
    .room-card { grid-column: span 12; }
    .pillars { grid-template-columns: 1fr; }
    .pc-header {
        flex-wrap: wrap;
        align-items: flex-start;
    }
    .pc-nav {
        width: 100%;
        order: 3;
        overflow-x: auto;
        justify-content: flex-start;
    }
    .pc-brand::after {
        display: none;
    }
    .cta-band {
        flex-direction: column;
        align-items: flex-start;
    }
    .ac-grid-login,
    .ac-grid-register,
    .ac-grid-profile,
    .ac-grid-logout,
    .ac-split {
        grid-template-columns: 1fr;
    }
    .ac-field {
        min-height: auto;
    }
    .ac-grid-profile .ac-panel:nth-child(1),
    .ac-grid-profile .ac-panel:nth-child(2),
    .ac-grid-profile .ac-panel:nth-child(3) {
        grid-column: span 1;
    }
    .ac-mini-stats {
        grid-template-columns: 1fr;
    }
    .ac-oauth-buttons {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .ft-hero {
        flex-direction: column;
        align-items: flex-start;
    }
    .footer-grid,
    .ft-stats-grid {
        grid-template-columns: 1fr;
    }
}