:root {
    --forum-ink: #0b1626;
    --forum-muted: #52677d;
    --forum-line: #d6e0eb;
    --forum-line-strong: #b9c7d7;
    --forum-panel: #ffffff;
    --forum-wash: #f4f7fb;
    --forum-blue: #1b3a57;
    --forum-coffee: #9a6548;
}

.forum-page .navbar {
    position: relative;
}

.forum-main {
    min-height: 72vh;
    background: var(--forum-wash);
}

.forum-account-bar {
    color: #d8e5f1;
    background: var(--midnight-900);
    font-size: 0.84rem;
}

.forum-account-bar .container {
    min-height: 42px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.forum-account-bar a {
    color: inherit;
    text-decoration: none;
}

.forum-account-bar a:hover,
.forum-account-bar a:focus-visible {
    color: #fff;
}

.forum-nav-account {
    margin-left: auto;
    color: var(--accent-300) !important;
    font-weight: 800;
}

.forum-hero,
.forum-auth,
.forum-empty-page {
    color: #fff;
    background-color: var(--midnight-950);
    background-image:
        radial-gradient(circle, rgba(255, 255, 255, 0.18) 0 1px, transparent 1.4px),
        radial-gradient(circle, rgba(208, 163, 131, 0.16) 0 1px, transparent 1.5px);
    background-position: 0 0, 76px 118px;
    background-size: 180px 180px, 290px 290px;
}

.forum-hero {
    padding: 82px 0 88px;
}

.forum-hero.compact {
    padding: 52px 0 56px;
}

.forum-hero h1,
.forum-auth h1,
.forum-empty-page h1 {
    max-width: 20ch;
    margin: 10px 0 18px;
    color: #fff;
    font-size: clamp(2rem, 4vw, 3.6rem);
}

.forum-hero p,
.forum-auth > .container > p,
.forum-empty-page p {
    max-width: 65ch;
    color: #cfdae6;
    font-size: 1.04rem;
}

.forum-hero-actions,
.forum-member-actions,
.forum-account-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
}

.forum-hero-actions {
    margin-top: 28px;
}

.forum-hero .btn-secondary {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.28);
    background: rgba(255, 255, 255, 0.06);
}

.forum-content-section,
.forum-access-section,
.forum-account {
    padding: 58px 0;
}

.forum-topic-section {
    border-top: 1px solid var(--forum-line);
    background: #fff;
}

.forum-access-section {
    color: #fff;
    background: var(--midnight-850);
}

.forum-narrow {
    width: min(760px, calc(100% - 48px));
}

.forum-section-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 24px;
}

.forum-section-head h2,
.forum-composer h2,
.forum-my-topics h2 {
    margin: 4px 0 0;
    color: var(--forum-ink);
    font-size: 1.7rem;
}

.forum-access-section h2 {
    color: #fff;
}

.forum-community-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.forum-community-card,
.forum-topic-card,
.forum-composer,
.forum-my-topics,
.forum-form,
.forum-topic-body,
.forum-member-topic {
    border: 1px solid var(--forum-line);
    border-radius: 8px;
    background: var(--forum-panel);
}

.forum-community-card {
    min-height: 190px;
    padding: 22px;
    color: var(--forum-ink);
    text-decoration: none;
    transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.forum-community-card:hover,
.forum-community-card:focus-visible {
    border-color: var(--accent-300);
    box-shadow: 0 10px 24px rgba(5, 9, 19, 0.08);
    transform: translateY(-1px);
}

.forum-community-card span,
.forum-topic-community {
    display: inline-block;
    color: var(--accent-700);
    font-size: 0.74rem;
    font-weight: 800;
    line-height: 1.35;
    text-transform: uppercase;
}

.forum-community-card h2 {
    margin: 12px 0 10px;
    font-size: 1.05rem;
}

.forum-community-card p,
.forum-topic-card p,
.forum-member-topic p {
    margin-bottom: 0;
    color: var(--forum-muted);
    font-size: 0.9rem;
}

.forum-topic-list {
    display: grid;
    gap: 12px;
}

.forum-topic-card a {
    display: grid;
    grid-template-columns: minmax(130px, 0.26fr) minmax(0, 1fr) minmax(220px, 0.7fr);
    gap: 12px 24px;
    padding: 22px 48px 22px 22px;
    position: relative;
    color: var(--forum-ink);
    text-decoration: none;
}

.forum-topic-card a::after {
    position: absolute;
    top: 24px;
    right: 20px;
    color: var(--accent-700);
    content: "\2192";
    font-size: 1.1rem;
}

.forum-topic-card h2 {
    grid-column: 2;
    grid-row: 1 / span 2;
    margin: 0;
    font-size: 1.1rem;
}

.forum-topic-card p {
    grid-column: 3;
    grid-row: 1;
}

.forum-topic-card .forum-topic-meta {
    grid-column: 3;
    grid-row: 2;
}

.forum-topic-meta {
    color: var(--forum-muted);
    font-size: 0.79rem;
    font-weight: 700;
}

.forum-form {
    display: grid;
    gap: 16px;
    padding: 24px;
    color: var(--forum-ink);
}

.forum-access-section .forum-form {
    max-width: 560px;
}

.forum-form label {
    display: grid;
    gap: 7px;
    font-weight: 750;
}

.forum-form input,
.forum-form select {
    width: 100%;
    min-height: 44px;
    border: 1px solid var(--line-strong);
    border-radius: 6px;
    padding: 10px 12px;
    color: var(--forum-ink);
    background: #fff;
    font: inherit;
}

.forum-form button,
.forum-secondary,
.forum-danger {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid var(--forum-blue);
    border-radius: 6px;
    padding: 10px 14px;
    color: #fff;
    background: var(--forum-blue);
    font: inherit;
    font-weight: 750;
    text-decoration: none;
    cursor: pointer;
}

.forum-secondary {
    color: var(--forum-blue);
    border-color: var(--forum-line);
    background: #fff;
}

.forum-danger {
    border-color: var(--danger);
    background: var(--danger);
}

.forum-help {
    margin: -5px 0 0;
    color: var(--forum-muted);
    font-size: 0.84rem;
}

.forum-access-section .forum-help {
    color: #cfdae6;
}

.forum-alert {
    margin: 0 0 18px;
    border: 1px solid;
    border-radius: 6px;
    padding: 13px 15px;
    font-weight: 700;
}

.forum-alert.success {
    color: #14543d;
    border-color: #9ad3b8;
    background: #e8f7ef;
}

.forum-alert.error {
    color: #7e2621;
    border-color: #e2afa9;
    background: #fff0ef;
}

.forum-inline-notice {
    padding-top: 20px;
    background: var(--forum-wash);
}

.forum-auth,
.forum-empty-page {
    min-height: 58vh;
    padding: 72px 0;
}

.forum-auth .forum-form {
    margin-top: 28px;
}

.forum-account-head {
    align-items: end;
    justify-content: space-between;
    margin-bottom: 26px;
}

.forum-account-head h1 {
    margin: 5px 0 8px;
    color: var(--forum-ink);
    font-size: 2.1rem;
}

.forum-account-head p {
    max-width: 62ch;
    margin-bottom: 0;
    color: var(--forum-muted);
}

.forum-composer,
.forum-my-topics {
    padding: 26px;
}

.forum-editor-label {
    margin-bottom: -8px;
    color: var(--forum-ink);
    font-weight: 750;
}

.forum-editor-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
    padding: 8px;
    border: 1px solid var(--forum-line);
    border-bottom: 0;
    border-radius: 6px 6px 0 0;
    background: var(--forum-wash);
}

.forum-editor-toolbar button {
    min-height: 36px;
    border: 1px solid var(--forum-line-strong);
    border-radius: 5px;
    padding: 6px 10px;
    color: var(--forum-ink);
    background: #fff;
    font: inherit;
    font-size: 0.82rem;
    font-weight: 750;
    cursor: pointer;
}

.forum-editor-toolbar button:hover,
.forum-editor-toolbar button:focus-visible {
    border-color: var(--forum-blue);
    color: var(--forum-blue);
}

.forum-editor-toolbar span {
    width: 1px;
    height: 24px;
    margin: 0 2px;
    background: var(--forum-line-strong);
}

.forum-my-topics {
    margin-top: 22px;
}

.forum-rich-editor {
    min-height: 260px;
    overflow-wrap: anywhere;
    border: 1px solid var(--line-strong);
    border-radius: 0 0 6px 6px;
    padding: 16px;
    color: var(--forum-ink);
    background: #fff;
    line-height: 1.7;
}

.forum-rich-editor:empty::before {
    color: var(--forum-muted);
    content: attr(data-placeholder);
}

.forum-rich-editor:focus {
    outline: 0;
    border-color: var(--forum-blue);
    box-shadow: 0 0 0 3px rgba(27, 58, 87, 0.15);
}

.forum-rich-editor h2,
.forum-rich-editor h3,
.forum-rich-editor h4 {
    margin: 1.35em 0 0.55em;
}

.forum-rich-editor p,
.forum-rich-editor ul,
.forum-rich-editor ol {
    margin: 0 0 1em;
}

.forum-member-topic {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: center;
    padding: 18px;
    margin-top: 10px;
}

.forum-member-topic h3 {
    margin: 6px 0;
    font-size: 1rem;
}

.forum-member-actions form {
    display: inline;
}

.forum-topic-header {
    padding: 52px 0 54px;
    color: #fff;
    background: var(--midnight-950);
}

.forum-topic-header .breadcrumb a,
.forum-topic-header .breadcrumb-current {
    color: #d8e5f1;
}

.forum-topic-header h1 {
    margin: 12px 0 16px;
    color: #fff;
    font-size: clamp(2rem, 4vw, 3.25rem);
}

.forum-topic-header .forum-topic-meta {
    color: #c7d3e0;
}

.forum-topic-body {
    margin-top: 38px;
    margin-bottom: 64px;
    padding: 34px;
    color: var(--forum-ink);
    line-height: 1.75;
}

.forum-topic-body h2,
.forum-topic-body h3,
.forum-topic-body h4 {
    margin-top: 1.5em;
}

.forum-topic-body a {
    color: #185d96;
    font-weight: 700;
}

.forum-topic-note {
    margin-top: 34px;
    border-left: 3px solid var(--forum-coffee);
    padding: 14px 18px;
    background: var(--forum-wash);
}

.forum-topic-note p {
    margin: 5px 0 0;
    color: var(--forum-muted);
}

.forum-empty {
    margin: 0;
    color: var(--forum-muted);
}

@media (max-width: 900px) {
    .forum-community-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .forum-topic-card a { grid-template-columns: 1fr; gap: 8px; }
    .forum-topic-card h2,
    .forum-topic-card p,
    .forum-topic-card .forum-topic-meta { grid-column: 1; grid-row: auto; }
}

@media (max-width: 640px) {
    .forum-hero { padding: 56px 0 62px; }
    .forum-content-section,
    .forum-access-section,
    .forum-account { padding: 38px 0; }
    .forum-community-grid { grid-template-columns: 1fr; }
    .forum-section-head,
    .forum-account-head,
    .forum-member-topic { align-items: stretch; flex-direction: column; }
    .forum-topic-card a { padding: 20px 42px 20px 20px; }
    .forum-topic-body,
    .forum-composer,
    .forum-my-topics { padding: 20px; }
    .forum-narrow { width: min(100% - 32px, 760px); }
}

@media (prefers-reduced-motion: reduce) {
    .forum-community-card { transition: none; }
}