.btn {
    min-height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 10px 18px; border: 1px solid transparent; border-radius: var(--radius-sm);
    font-weight: 650; text-decoration: none; cursor: pointer; transition: color var(--ease), background var(--ease), border var(--ease), box-shadow var(--ease);
}
.btn-primary { color: #fff; background: var(--cinnabar); border-color: var(--cinnabar); }
.btn-primary:hover { background: var(--cinnabar-dark); border-color: var(--cinnabar-dark); box-shadow: 0 8px 20px rgba(166, 31, 36, .18); }
.btn-secondary { color: var(--ink); background: var(--surface); border-color: var(--line); }
.btn-secondary:hover { color: var(--cinnabar); border-color: var(--cinnabar); }
.btn-ghost { color: var(--ink-soft); background: transparent; border-color: transparent; }
.btn-ghost:hover { color: var(--cinnabar); background: var(--cinnabar-soft); }
.btn-danger { color: #fff; background: var(--danger); border-color: var(--danger); }
.btn-danger:hover { background: #8f1c22; border-color: #8f1c22; }
.btn-sm { min-height: 36px; padding: 7px 12px; font-size: var(--text-sm); }
.btn-lg { min-height: 50px; padding: 12px 24px; }
.btn-block { width: 100%; }
.btn:disabled, .btn[aria-disabled="true"] { box-shadow: none; cursor: not-allowed; opacity: var(--disabled-opacity); pointer-events: none; }
.btn.is-loading { cursor: wait; }
.btn-spinner {
    width: 16px; height: 16px; border: 2px solid currentColor; border-right-color: transparent;
    border-radius: 50%; animation: btn-spin .7s linear infinite;
}
@keyframes btn-spin { to { transform: rotate(360deg); } }

.form-stack { display: grid; gap: var(--space-4); }
.form-field { display: grid; gap: var(--space-2); }
.form-label { color: var(--ink-soft); font-size: var(--text-sm); font-weight: 650; }
.form-label .required { color: var(--danger); }
.form-control {
    width: 100%; min-height: 44px; padding: 9px 12px; color: var(--ink);
    background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm);
    transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
}
textarea.form-control { min-height: 112px; resize: vertical; }
.form-control:hover { border-color: var(--line-strong); }
.form-control:focus { border-color: var(--cinnabar); outline: none; box-shadow: 0 0 0 3px var(--focus-ring); }
.form-control[aria-invalid="true"] { border-color: var(--danger); }
.form-hint, .form-error, .form-success { margin: 0; font-size: var(--text-xs); }
.form-hint { color: var(--muted); }
.form-error { color: var(--danger); }
.form-success { color: var(--success); }
.check-control { min-height: 44px; display: inline-flex; align-items: center; gap: var(--space-2); color: var(--ink-soft); font-size: var(--text-sm); }
.check-control input { width: 18px; height: 18px; accent-color: var(--cinnabar); }

.tag, .status-badge {
    min-height: 26px; display: inline-flex; align-items: center; gap: 6px; padding: 3px 9px;
    border: 1px solid var(--line); border-radius: var(--radius-pill); color: var(--ink-soft);
    background: var(--surface); font-size: var(--text-xs); font-weight: 650; white-space: nowrap;
}
.status-badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.status-success { color: var(--success); background: color-mix(in srgb, var(--success) 9%, var(--surface)); border-color: color-mix(in srgb, var(--success) 28%, var(--line)); }
.status-warning { color: var(--warning); background: color-mix(in srgb, var(--warning) 9%, var(--surface)); border-color: color-mix(in srgb, var(--warning) 28%, var(--line)); }
.status-danger { color: var(--danger); background: color-mix(in srgb, var(--danger) 9%, var(--surface)); border-color: color-mix(in srgb, var(--danger) 28%, var(--line)); }
.status-info { color: var(--info); background: color-mix(in srgb, var(--info) 9%, var(--surface)); border-color: color-mix(in srgb, var(--info) 28%, var(--line)); }

.panel {
    padding: var(--space-5); background: var(--surface); border: 1px solid var(--line);
    border-radius: var(--radius-md); box-shadow: var(--shadow-sm);
}
.panel-title { margin: 0 0 var(--space-2); font: 700 var(--text-xl)/1.35 var(--font-serif); }
.panel-description { margin: 0; color: var(--muted); }
.interactive-panel { cursor: pointer; transition: border-color var(--ease), box-shadow var(--ease); }
.interactive-panel:hover { border-color: var(--line-strong); box-shadow: var(--shadow-md); }

.alert {
    display: flex; align-items: flex-start; gap: var(--space-3); padding: var(--space-4);
    border: 1px solid var(--line); border-left-width: 4px; border-radius: var(--radius-sm);
    color: var(--ink-soft); background: var(--surface);
}
.alert strong, .alert span { display: block; }
.alert strong { color: var(--ink); margin-bottom: 2px; }
.alert-success { border-left-color: var(--success); }
.alert-warning { border-left-color: var(--warning); }
.alert-danger { border-left-color: var(--danger); }
.alert-info { border-left-color: var(--info); }

.table-shell { width: 100%; overflow-x: auto; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-md); }
.data-table { width: 100%; min-width: 680px; border-collapse: collapse; }
.data-table th, .data-table td { padding: 13px 15px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
.data-table th { color: var(--muted); background: var(--paper-warm); font-size: var(--text-xs); letter-spacing: .04em; }
.data-table td { font-size: var(--text-sm); }
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table tbody tr:hover { background: color-mix(in srgb, var(--cinnabar-soft) 42%, transparent); }

.brand-seals { display: inline-flex; gap: 3px; flex: 0 0 auto; }
.brand-seals i {
    display: grid; place-items: center; width: 25px; height: 25px; color: #fff; background: var(--cinnabar);
    border-radius: 3px; font: 700 15px/1 var(--font-serif); font-style: normal; box-shadow: inset 0 0 0 1px rgba(255,255,255,.25);
}
.topline { color: #e8ded1; background: #171513; font-size: 12px; }
.topline-inner { min-height: 30px; display: flex; align-items: center; justify-content: space-between; }
.topline a { text-decoration: none; }
.topline div div { display: flex; gap: 10px; }
.site-nav { position: sticky; top: 0; z-index: var(--z-nav); background: color-mix(in srgb, var(--surface) 94%, transparent); border-bottom: 1px solid var(--line); backdrop-filter: blur(16px); }
.nav-inner { height: 72px; display: flex; align-items: center; gap: 22px; }
.site-brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; flex: 0 0 auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-text strong { font: 700 18px/1.1 var(--font-serif); letter-spacing: .08em; }
.brand-text small { margin-top: 5px; color: var(--gold); font: 10px/1 system-ui; letter-spacing: .19em; }
.desktop-nav { display: flex; align-items: stretch; height: 100%; gap: 4px; }
.desktop-nav a { display: grid; place-items: center; padding: 0 10px; color: var(--ink-soft); font-size: 14px; text-decoration: none; border-bottom: 2px solid transparent; transition: var(--ease); }
.desktop-nav a:hover { color: var(--cinnabar); border-bottom-color: var(--cinnabar); }
.nav-search { position: relative; width: min(230px, 20vw); margin-left: auto; }
.nav-search input { width: 100%; height: 40px; padding: 0 42px 0 14px; color: var(--ink); background: var(--paper); border: 1px solid var(--line); border-radius: 20px; }
.nav-search input:focus { border-color: var(--cinnabar); outline: none; box-shadow: 0 0 0 3px var(--cinnabar-soft); }
.nav-search button { position: absolute; inset: 0 4px 0 auto; width: 38px; color: var(--muted); background: transparent; border: 0; }
.nav-search svg, .theme-button svg, .mobile-menu-button svg, .mobile-nav-close svg { width: 21px; height: 21px; }
.nav-actions { display: flex; align-items: center; gap: 9px; flex: 0 0 auto; }
.theme-button, .mobile-menu-button, .mobile-nav-close {
    width: 44px; height: 44px; display: grid; place-items: center; color: var(--ink-soft); background: transparent; border: 1px solid var(--line); border-radius: 50%;
}
.login-link { padding: 8px; font-size: 14px; text-decoration: none; }
.nav-vip { min-height: 40px; padding: 8px 14px; font-size: 13px; }
.account-menu { position: relative; }
.account-menu summary { min-height: 44px; list-style: none; display: flex; align-items: center; gap: 7px; cursor: pointer; }
.account-menu summary::-webkit-details-marker { display: none; }
.account-menu summary span { width: 34px; height: 34px; display: grid; place-items: center; color: #fff; background: var(--cinnabar); border-radius: 50%; }
.account-menu summary .account-avatar { overflow: hidden; background: #201c18; border: 1px solid var(--gold); }
.account-menu summary .account-avatar img { width: 100%; height: 100%; display: block; object-fit: cover; }
.account-menu summary b { font-size: 13px; }
.account-dropdown { position: absolute; right: 0; top: calc(100% + 14px); width: 160px; padding: 8px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-md); box-shadow: var(--shadow-lg); }
.account-dropdown a, .account-dropdown button {
    width: 100%; min-height: 44px; display: flex; align-items: center; padding: 9px 10px;
    color: var(--ink-soft); background: transparent; border: 0; border-radius: 5px;
    font: inherit; font-size: 13px; text-align: left; text-decoration: none; cursor: pointer;
}
.account-dropdown a:hover, .account-dropdown button:hover { color: var(--cinnabar); background: var(--cinnabar-soft); }
.account-dropdown form { margin-top: 4px; padding-top: 4px; border-top: 1px solid var(--line); }
.mobile-account-links form { display: contents; }
.mobile-account-links button {
    width: 100%; min-height: 44px; padding: 10px 0; color: var(--danger);
    background: transparent; border: 0; font: inherit; text-align: left; cursor: pointer;
}
.mobile-menu-button, .mobile-nav { display: none; }

.resource-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.resource-card { min-width: 0; overflow: hidden; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); transition: border var(--ease), box-shadow var(--ease); }
.resource-card:hover { border-color: var(--line-strong); box-shadow: var(--shadow-md); }
.resource-card-link { display: block; height: 100%; text-decoration: none; }
.resource-card-media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--paper-warm); }
.resource-card-media img { width: 100%; height: 100%; object-fit: cover; transition: opacity var(--ease); }
.resource-card:hover img { opacity: .9; }
.resource-placeholder { width: 100%; height: 100%; display: grid; place-content: center; text-align: center; color: var(--cinnabar); background: linear-gradient(145deg, var(--paper-warm), var(--surface)); }
.resource-placeholder span { font: 700 25px/1.1 var(--font-serif); letter-spacing: .2em; }
.resource-placeholder small { margin-top: 8px; color: var(--gold); letter-spacing: .24em; }
.resource-badge { position: absolute; left: 10px; top: 10px; padding: 4px 8px; color: #fff; background: var(--cinnabar); border-radius: 4px; font-size: 11px; }
.resource-card-body { padding: 15px; }
.resource-card-body h3 { min-height: 48px; margin: 0 0 14px; overflow: hidden; color: var(--ink); font-size: 15px; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.resource-card-meta { display: flex; align-items: center; justify-content: space-between; gap: 8px; color: var(--muted); font-size: 12px; }
.resource-card-meta span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.site-pagination { margin: 44px 0 8px; }
.pagination-desktop, .pagination-mobile { display: flex; align-items: center; justify-content: center; gap: 7px; }
.pagination-mobile { display: none; }
.page-control, .page-number, .page-ellipsis { min-width: 42px; min-height: 42px; display: inline-grid; place-items: center; padding: 0 12px; color: var(--ink-soft); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); text-decoration: none; font-size: 13px; }
.page-control:hover, .page-number:hover { color: var(--cinnabar); border-color: var(--cinnabar); }
.page-number.is-active { color: #fff; background: var(--cinnabar); border-color: var(--cinnabar); }
.page-control.is-disabled { color: var(--muted); background: var(--paper-warm); pointer-events: none; opacity: .6; }
.page-ellipsis { min-width: 28px; padding: 0; background: transparent; border-color: transparent; }
.empty-state-panel { max-width: 620px; margin: 48px auto; padding: 60px 24px; text-align: center; background: var(--surface); border: 1px dashed var(--line-strong); border-radius: var(--radius-lg); }
.empty-state-panel svg { width: 54px; height: 54px; color: var(--cinnabar); }
.empty-state-panel h2 { margin: 16px 0 6px; font: 700 24px/1.3 var(--font-serif); }
.empty-state-panel p { margin: 0 0 20px; color: var(--muted); }

.trust-strip { border-top: 1px solid var(--line); background: var(--surface); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); padding-block: 26px; }
.trust-grid div { padding: 0 24px; border-right: 1px solid var(--line); }
.trust-grid div:first-child { padding-left: 0; }
.trust-grid div:last-child { border: 0; }
.trust-grid strong, .trust-grid span { display: block; }
.trust-grid strong { font: 700 16px/1.3 var(--font-serif); }
.trust-grid span { margin-top: 5px; color: var(--muted); font-size: 12px; }
.site-footer { color: #d9d0c4; background: #171513; }
.footer-main { display: grid; grid-template-columns: 1.2fr 2fr; gap: 80px; padding-block: 48px; }
.footer-brand .brand-seals i { width: 30px; height: 30px; font-size: 17px; }
.footer-brand p { max-width: 360px; margin-top: 18px; color: #978d82; font-size: 13px; }
.footer-columns { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.footer-columns div { display: flex; flex-direction: column; gap: 8px; }
.footer-columns strong { color: #fff; margin-bottom: 4px; font-size: 13px; }
.footer-columns a, .footer-columns span { color: #a99f94; font-size: 12px; text-decoration: none; }
.footer-columns a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-block: 18px; border-top: 1px solid #312d29; color: #81786e; font-size: 11px; }
.footer-bottom p { margin: 0; }
.back-to-top { position: fixed; right: 20px; bottom: 22px; z-index: 20; width: 44px; height: 44px; display: grid; place-items: center; color: #fff; background: var(--cinnabar); border: 0; border-radius: 50%; box-shadow: var(--shadow-md); opacity: 0; pointer-events: none; transition: opacity var(--ease); }
.back-to-top.is-visible { opacity: 1; pointer-events: auto; }
.back-to-top svg { width: 22px; height: 22px; }

@media (max-width: 1024px) {
    .desktop-nav a:nth-child(n+5) { display: none; }
    .resource-grid { grid-template-columns: repeat(3, 1fr); }
    .brand-text { display: none; }
}
@media (max-width: 780px) {
    .topline { display: none; }
    .site-nav { position: sticky; top: 0; }
    .nav-inner { height: 62px; gap: 12px; }
    .mobile-menu-button { display: grid; }
    .site-brand .brand-seals i { width: 22px; height: 22px; font-size: 13px; }
    .desktop-nav, .nav-search, .theme-button, .nav-vip { display: none; }
    .site-brand { margin-right: auto; }
    .login-link { min-height: 44px; display: grid; place-items: center; }
    .mobile-nav { position: fixed; inset: 0; z-index: var(--z-drawer); display: block; visibility: hidden; }
    .mobile-nav.is-open { visibility: visible; }
    .mobile-nav-overlay { position: absolute; inset: 0; width: 100%; height: 100%; background: rgba(12,10,8,.55); border: 0; opacity: 0; transition: opacity var(--ease); }
    .mobile-nav.is-open .mobile-nav-overlay { opacity: 1; }
    .mobile-nav-panel { position: relative; z-index: 1; width: min(88vw, 390px); height: 100%; padding: 20px; overflow: auto; background: var(--surface); transform: translateX(-102%); transition: transform 220ms ease; }
    .mobile-nav.is-open .mobile-nav-panel { transform: translateX(0); }
    .mobile-nav-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
    .mobile-search { display: flex; margin-bottom: 24px; }
    .mobile-search input { min-width: 0; flex: 1; height: 46px; padding: 0 12px; color: var(--ink); background: var(--paper); border: 1px solid var(--line); border-radius: 6px 0 0 6px; }
    .mobile-search button { width: 66px; color: #fff; background: var(--cinnabar); border: 0; border-radius: 0 6px 6px 0; }
    .mobile-nav-links { border-top: 1px solid var(--line); }
    .mobile-nav-links a { min-height: 62px; display: flex; align-items: center; gap: 14px; border-bottom: 1px solid var(--line); text-decoration: none; }
    .mobile-nav-links a > span { color: var(--gold); font: 12px/1 system-ui; }
    .mobile-nav-links strong { font-size: 15px; }
    .mobile-nav-links small { margin-left: auto; color: var(--muted); font-size: 11px; }
    .mobile-account-links { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 24px; }
    .mobile-account-links a { min-height: 44px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 6px; font-size: 13px; text-decoration: none; }
    .resource-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
    .resource-card-body { padding: 12px; }
    .resource-card-body h3 { min-height: 42px; font-size: 13px; line-height: 1.55; }
    .resource-card-meta { font-size: 10px; }
    .pagination-desktop { display: none; }
    .pagination-mobile { display: flex; }
    .page-summary { padding: 0 8px; color: var(--muted); font-size: 12px; white-space: nowrap; }
    .trust-grid { grid-template-columns: 1fr 1fr; }
    .trust-grid div { padding: 16px; border-bottom: 1px solid var(--line); }
    .trust-grid div:nth-child(2) { border-right: 0; }
    .trust-grid div:nth-child(n+3) { border-bottom: 0; }
    .footer-main { grid-template-columns: 1fr; gap: 32px; padding-block: 36px; }
    .footer-columns { gap: 16px; }
    .footer-bottom { display: block; }
}
@media (max-width: 420px) {
    .site-brand .brand-seals i { width: 20px; height: 20px; }
    .resource-grid { grid-template-columns: 1fr 1fr; gap: 9px; }
    .resource-card-media { aspect-ratio: 4 / 3; }
    .footer-columns { grid-template-columns: 1fr 1fr; }
    .footer-columns div:last-child { grid-column: 1 / -1; }
}