/* pho-theme-v2.css minified 2026-07-28; source backup in backups/*.bak-pho18-minify-202607281335 */
:root{--pho-font-global:KoHoLocal,KoHo,"KoHo",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;--pho-radius-sm:8px;--pho-radius-md:12px;--pho-radius-lg:18px;--pho-radius-xl:24px;--pho-space-1:4px;--pho-space-2:8px;--pho-space-3:12px;--pho-space-4:16px;--pho-space-5:20px;--pho-space-6:24px;--pho-space-8:32px;--pho-space-10:40px;--pho-space-12:48px;--pho-transition-fast:150ms;--pho-transition-normal:200ms}:root,html[data-theme=dark]{color-scheme:dark;--pho-page-bg:#100905;--pho-page-bg-soft:#160d08;--pho-header-bg:#170d07;--pho-surface:#21130c;--pho-surface-raised:#29180f;--pho-surface-hover:#322014;--pho-surface-subtle:#1b100a;--pho-gold-primary:#d8a23a;--pho-gold-hover:#efc35e;--pho-gold-muted:#a87422;--pho-gold-soft:rgba(216,162,58,.13);--pho-text-primary:#f3e7d1;--pho-text-secondary:#c9b69b;--pho-text-muted:#96836d;--pho-text-inverse:#271506;--pho-border-subtle:rgba(216,162,58,.17);--pho-border-default:rgba(216,162,58,.27);--pho-border-hover:rgba(239,195,94,.55);--pho-input-bg:#1d100a;--pho-input-border:rgba(216,162,58,.35);--pho-input-placeholder:#9c8a72;--pho-shadow-sm:0 4px 12px rgba(0,0,0,.20);--pho-shadow-md:0 12px 30px rgba(0,0,0,.28);--pho-shadow-lg:0 18px 46px rgba(0,0,0,.34);--pho-focus-ring:0 0 0 3px rgba(239,195,94,.30);--pho-success:#8fbd82;--pho-success-bg:rgba(143,189,130,.14);--pho-warning:#e0b15a;--pho-warning-bg:rgba(224,177,90,.14);--pho-error:#e38a7e;--pho-error-bg:rgba(227,138,126,.14);--pho-info:#83abc1;--pho-info-bg:rgba(131,171,193,.14);--bg:var(--pho-page-bg);--surface:var(--pho-surface);--surface-2:var(--pho-surface-raised);--text:var(--pho-text-primary);--muted:var(--pho-text-secondary);--border:var(--pho-border-default);--accent:var(--pho-gold-primary);--accent-2:var(--pho-gold-hover);--shadow:var(--pho-shadow-md);--ph-bg-deep:var(--pho-page-bg);--ph-bg-warm:var(--pho-page-bg-soft);--ph-surface:var(--pho-surface);--ph-surface-2:var(--pho-surface-raised);--ph-surface-3:var(--pho-surface-hover);--ph-cream:var(--pho-text-primary);--ph-cream-soft:var(--pho-text-secondary);--ph-gold:var(--pho-gold-primary);--ph-gold-soft:var(--pho-gold-hover);--ph-border:var(--pho-border-default);--ph-border-strong:var(--pho-border-hover);--ph-shadow:var(--pho-shadow-md);--ph-shadow-strong:var(--pho-shadow-lg);--ph-focus:var(--pho-focus-ring);--ph-font:var(--pho-font-global)}html[data-theme=light]{color-scheme:light;--pho-page-bg:#f7f0e4;--pho-page-bg-soft:#efe3d1;--pho-header-bg:#fff9ef;--pho-surface:#fffdf8;--pho-surface-raised:#f2e6d3;--pho-surface-hover:#f8eddd;--pho-surface-subtle:#f4e9d8;--pho-gold-primary:#ad7417;--pho-gold-hover:#8f5b0c;--pho-gold-muted:#8f6b35;--pho-gold-soft:rgba(173,116,23,.10);--pho-text-primary:#2b1a0f;--pho-text-secondary:#685542;--pho-text-muted:#8d7862;--pho-text-inverse:#fffaf0;--pho-border-subtle:rgba(154,101,17,.14);--pho-border-default:rgba(154,101,17,.24);--pho-border-hover:rgba(154,101,17,.52);--pho-input-bg:#fffdf8;--pho-input-border:rgba(154,101,17,.30);--pho-input-placeholder:#8d7862;--pho-shadow-sm:0 4px 12px rgba(74,47,23,.08);--pho-shadow-md:0 10px 26px rgba(74,47,23,.11);--pho-shadow-lg:0 16px 40px rgba(74,47,23,.14);--pho-focus-ring:0 0 0 3px rgba(173,116,23,.22);--pho-success:#467d3c;--pho-success-bg:rgba(70,125,60,.10);--pho-warning:#9b6814;--pho-warning-bg:rgba(155,104,20,.10);--pho-error:#a53f34;--pho-error-bg:rgba(165,63,52,.10);--pho-info:#426f86;--pho-info-bg:rgba(66,111,134,.10);--bg:var(--pho-page-bg);--surface:var(--pho-surface);--surface-2:var(--pho-surface-raised);--text:var(--pho-text-primary);--muted:var(--pho-text-secondary);--border:var(--pho-border-default);--accent:var(--pho-gold-primary);--accent-2:var(--pho-gold-hover);--shadow:var(--pho-shadow-md);--ph-bg-deep:var(--pho-page-bg);--ph-bg-warm:var(--pho-page-bg-soft);--ph-surface:var(--pho-surface);--ph-surface-2:var(--pho-surface-raised);--ph-surface-3:var(--pho-surface-hover);--ph-cream:var(--pho-text-primary);--ph-cream-soft:var(--pho-text-secondary);--ph-gold:var(--pho-gold-primary);--ph-gold-soft:#d7a044;--ph-border:var(--pho-border-default);--ph-border-strong:var(--pho-border-hover);--ph-shadow:var(--pho-shadow-md);--ph-shadow-strong:var(--pho-shadow-lg);--ph-focus:var(--pho-focus-ring);--ph-font:var(--pho-font-global)}html{background:var(--pho-page-bg)}body.ph-public-v1,body:not(.admin-body){background:radial-gradient(circle at 8% -10%,var(--pho-gold-soft),transparent 34rem),var(--pho-page-bg);color:var(--pho-text-primary);font-family:var(--pho-font-global)}body.ph-public-v1 a{transition:color var(--pho-transition-fast),background var(--pho-transition-fast),border-color var(--pho-transition-fast),box-shadow var(--pho-transition-fast),transform var(--pho-transition-fast)}body.ph-public-v1 .site-header,body.ph-public-v1 header.ph-header-simple-clean-final{background:color-mix(in srgb,var(--pho-header-bg) 92%,transparent);border-bottom:1px solid var(--pho-border-subtle);box-shadow:var(--pho-shadow-sm);backdrop-filter:blur(14px)}body.ph-public-v1 .ph-header-simple-nav-final a:not([href="/gui-bai-giang"]){color:var(--pho-text-secondary)}body.ph-public-v1 .ph-header-simple-nav-final a:hover{color:var(--pho-gold-primary)}body.ph-public-v1 .ph-btn.primary,body.ph-public-v1 .ph-header-simple-nav-final a[href="/gui-bai-giang"],body.ph-public-v1 a.primary,body.ph-public-v1 button.primary{background:linear-gradient(180deg,var(--pho-gold-hover),var(--pho-gold-primary));color:var(--pho-text-inverse);border-color:var(--pho-border-hover);box-shadow:var(--pho-shadow-sm)}html[data-theme=light] body.ph-public-v1 .ph-btn.primary,html[data-theme=light] body.ph-public-v1 .ph-header-simple-nav-final a[href="/gui-bai-giang"],html[data-theme=light] body.ph-public-v1 a.primary,html[data-theme=light] body.ph-public-v1 button.primary{color:#fffaf0;background:linear-gradient(180deg,#bd8427,#9b650f)}body.ph-public-v1 .ph-header-simple-search-final,body.ph-public-v1 input,body.ph-public-v1 select,body.ph-public-v1 textarea{background:var(--pho-input-bg);color:var(--pho-text-primary);border-color:var(--pho-input-border)}body.ph-public-v1 input::placeholder,body.ph-public-v1 textarea::placeholder{color:var(--pho-input-placeholder);opacity:1}body.ph-public-v1 .ph-header-simple-search-final input{background:0 0;color:var(--pho-text-primary)}body.ph-public-v1 .card,body.ph-public-v1 .front-featured-section,body.ph-public-v1 .front-news-link,body.ph-public-v1 .front-news-list,body.ph-public-v1 .front-news-section,body.ph-public-v1 .front-section,body.ph-public-v1 .ph-card,body.ph-public-v1 .ph-cat-count-card-v2,body.ph-public-v1 .ph-cat-map-card-v1,body.ph-public-v1 .ph-cat-map-hero-v1,body.ph-public-v1 .ph-panel,body.ph-public-v1 .ph-surface-strong,body.ph-public-v1 .ph-tct-detail-hero-v2,body.ph-public-v1 .ph-tct-keypoints-v3,body.ph-public-v1 .ph-tct-outline-v2,body.ph-public-v1 .ph-tct-reader-card-v2,body.ph-public-v1 .ph-tct-summary-v2,body.ph-public-v1 .ph-tct-video-card-v2,body.ph-public-v1 .ph-toolbar,body.ph-public-v1 article,body.ph-public-v1 section{background:linear-gradient(180deg,color-mix(in srgb,var(--pho-surface) 96%,transparent),color-mix(in srgb,var(--pho-surface-subtle) 92%,transparent));border-color:var(--pho-border-default);color:var(--pho-text-primary);box-shadow:var(--pho-shadow-md)}body.ph-public-v1 .front-news-link:hover,body.ph-public-v1 .ph-card:hover{background:var(--pho-surface-hover);border-color:var(--pho-border-hover)}body.ph-public-v1 .front-news-title,body.ph-public-v1 .front-section-title h2,body.ph-public-v1 .ph-tct-reader-head-v2 h2,body.ph-public-v1 .ph-title,body.ph-public-v1 h1,body.ph-public-v1 h2,body.ph-public-v1 h3,body.ph-public-v1 strong{color:var(--pho-text-primary)}body.ph-public-v1 .front-news-desc,body.ph-public-v1 .front-news-meta,body.ph-public-v1 .meta,body.ph-public-v1 .ph-lead,body.ph-public-v1 li,body.ph-public-v1 p{color:var(--pho-text-secondary)}body.ph-public-v1 .ph-cat-map-kicker-v1,body.ph-public-v1 .ph-chip,body.ph-public-v1 .ph-eyebrow,body.ph-public-v1 .ph-tct-detail-eyebrow-v3,body.ph-public-v1 a{color:var(--pho-gold-primary)}body.ph-public-v1 .ph-reader,body.ph-public-v1 .ph-tct-reader-v2{background:0 0;color:var(--pho-text-primary)}body.ph-public-v1 .ph-reader p,body.ph-public-v1 .ph-tct-reader-v2 p{color:var(--pho-text-primary)}body.ph-public-v1 .ph-study-note,body.ph-public-v1 .ph-tct-ai-notice-v1,body.ph-public-v1 blockquote{background:var(--pho-gold-soft);border-color:var(--pho-border-default);color:var(--pho-text-secondary)}body.ph-public-v1 table{background:var(--pho-surface);color:var(--pho-text-primary);border-color:var(--pho-border-default)}body.ph-public-v1 th{background:var(--pho-surface-raised);color:var(--pho-text-primary)}body.ph-public-v1 td,body.ph-public-v1 th{border-color:var(--pho-border-subtle)}body.ph-public-v1 audio,body.ph-public-v1 iframe,body.ph-public-v1 video{background:var(--pho-surface-subtle);border-color:var(--pho-border-default)}#ph-mobile-drawer,body.ph-public-v1 .ph-mobile-drawer-final{background:linear-gradient(180deg,var(--pho-surface-raised),var(--pho-surface));border-color:var(--pho-border-default);color:var(--pho-text-primary)}body.ph-public-v1 .footer,body.ph-public-v1 footer.site-footer{background:var(--pho-page-bg-soft);color:var(--pho-text-secondary);border-top:1px solid var(--pho-border-subtle)}body.ph-public-v1 .pho-theme-toggle{width:44px;height:44px;min-width:44px;border-radius:999px;border:1px solid var(--pho-border-default);background:var(--pho-gold-soft);color:var(--pho-gold-primary);display:inline-grid;place-items:center;cursor:pointer;box-shadow:var(--pho-shadow-sm);padding:0;line-height:1;vertical-align:middle}body.ph-public-v1 .pho-theme-toggle svg{width:20px;height:20px;display:block;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.pho-theme-toggle:focus-visible,body.ph-public-v1 a:focus-visible,body.ph-public-v1 button:focus-visible,body.ph-public-v1 input:focus-visible,body.ph-public-v1 select:focus-visible,body.ph-public-v1 textarea:focus-visible{outline:0;box-shadow:var(--pho-focus-ring)}body.ph-public-v1 .modal,body.ph-public-v1 .ph-search-suggest,body.ph-public-v1 .search-results,body.ph-public-v1 [role=listbox],body.ph-public-v1 dialog{background:var(--pho-surface-raised);color:var(--pho-text-primary);border-color:var(--pho-border-default);box-shadow:var(--pho-shadow-lg)}html[data-theme=light] body.ph-public-v1 .front-hero,html[data-theme=light] body.ph-public-v1 .pho-home-hero{border-color:rgba(154,101,17,.2);box-shadow:0 14px 30px rgba(74,47,23,.13)}html[data-theme=dark] body.ph-public-v1 .front-hero,html[data-theme=dark] body.ph-public-v1 .pho-home-hero{border-color:rgba(216,162,58,.25);box-shadow:0 16px 38px rgba(0,0,0,.24)}@media(max-width:820px){body.ph-public-v1 .pho-theme-toggle{width:42px;height:42px;min-width:42px}body.ph-public-v1 .ph-header-simple-nav-final .pho-theme-toggle{display:none}body.ph-public-v1 #ph-mobile-drawer .pho-theme-toggle{display:inline-grid;margin:4px 0 2px}}@media(prefers-reduced-motion:reduce){*,::after,::before{animation-duration:NaNs;animation-iteration-count:1;transition-duration:NaNs;scroll-behavior:auto}}@media print{:root,html[data-theme=dark],html[data-theme=light]{color-scheme:light}body,body.ph-public-v1{background:#fff;color:#111}#ph-clean-mobile-menu-btn,#ph-mobile-drawer,#ph-native-mobile-menu,.drawer,.ph-assistant,.ph-header-simple-clean-final,.ph-mobile-drawer-final,.ph-tct-video-card-v2,.pho-assistant,.pho-theme-toggle,.site-header,.toast,.up-btn,audio,iframe,video{display:none}*{box-shadow:none;text-shadow:none}a{color:#111}}body.ph-public-v1 .ph-ppu-thumb-v1{color:var(--pho-text-inverse);border-color:var(--pho-border-default);background:linear-gradient(180deg,var(--pho-gold-hover),var(--pho-gold-primary));box-shadow:var(--pho-shadow-sm)}html[data-theme=light] body.ph-public-v1 .ph-ppu-thumb-v1{color:var(--pho-text-inverse);border-color:var(--pho-border-default);background:linear-gradient(180deg,#bd8427,#9b650f)}body.ph-public-v1 .ph-ppu-thumb-v1::after,body.ph-public-v1 .ph-ppu-thumb-v1::before{border-color:currentColor;color:currentColor}body.ph-public-v1 .pho-min-nav .pho-theme-toggle,body.ph-public-v1 .pho-min-theme-toggle{display:inline-grid;width:44px;height:44px;min-width:44px;padding:0;border-radius:999px;align-items:center;justify-content:center;place-items:center;vertical-align:middle;background:var(--pho-gold-soft);color:var(--pho-gold-primary);border:1px solid var(--pho-border-default);box-shadow:var(--pho-shadow-sm);cursor:pointer}body.ph-public-v1 .pho-min-nav .pho-theme-toggle svg{width:20px;height:20px;display:block;stroke:currentColor;fill:none}@media(max-width:760px){body.ph-public-v1 .pho-min-nav .pho-theme-toggle{width:42px;height:42px;min-width:42px}}