/* nghiathanhvo.com: đọc là chính, chữ to, không màu mè. Màu cam gạch khớp với PDF. */ /* Màu nằm hết ở đây. Chọn bộ màu bằng THEME trong build_site.py (gắn vô ). */ :root { --bg: #fbfaf7; --ink: #1d1d1b; --soft: #5b5b57; --line: #e4e1da; --accent: #b4532a; --accent-ink: #ffffff; --link: var(--accent); --title: var(--ink); --code: #f2efe8; --box: #f4efe6; --head-bg: var(--bg); --head-ink: var(--ink); --head-soft: var(--soft); --logo-2: var(--accent); --serif: Georgia, "Iowan Old Style", "Times New Roman", serif; --sans: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; --mono: ui-monospace, Consolas, "Courier New", monospace; --body-font: var(--serif); } /* A. Giống scottdelong.com: nền đen, chữ trắng, link xanh da trời, tựa bài cam. Luôn tối. */ html[data-theme="scott"] { --bg: #000000; --ink: #ffffff; --soft: #c4c4c4; --line: #2e2d2a; --accent: #f25822; --accent-ink: #111111; --link: #22bcf2; --title: #f25822; --code: #1a1918; --box: #201f1d; --head-bg: #000000; --head-ink: #ffffff; --head-soft: #ffffff; --logo-2: #d63bd9; --body-font: var(--sans); color-scheme: dark; } html[data-theme="scott"] .site-head nav a { text-transform: uppercase; font-weight: 700; font-size: 14px; letter-spacing: .03em; } html[data-theme="scott"] .site-head nav a.nav-cta { color: var(--link); } html[data-theme="scott"] .site-head nav a[aria-current] { color: var(--link); } html[data-theme="scott"] .post-list li { background: var(--box); padding: 18px 20px; border-radius: 4px; } /* B. Xanh lá #699676. Chữ và nút dùng tông đậm hơn (#4a7056) cho dễ đọc. */ html[data-theme="green"] { --bg: #f7f9f6; --ink: #1c2420; --soft: #56605a; --line: #dde5df; --accent: #699676; --accent-ink: #ffffff; --link: #4a7056; --title: #1c2420; --code: #eef2ee; --box: #edf3ee; --head-bg: #699676; --head-ink: #ffffff; --head-soft: #ffffff; --logo-2: #e4f5b8; } html[data-theme="green"] .optin-form button, html[data-theme="green"] .big-button { background: #4a7056; } @media (prefers-color-scheme: dark) { html[data-theme="green"] { --bg: #131915; --ink: #e7ece8; --soft: #a3aea6; --line: #2b352f; --accent: #86b393; --accent-ink: #0f1511; --link: #93c4a0; --title: #e7ece8; --code: #1c241f; --box: #1a221d; --head-bg: #3f5f48; --head-ink: #ffffff; --head-soft: #e7ece8; --logo-2: #e4f5b8; } html[data-theme="green"] .optin-form button, html[data-theme="green"] .big-button { background: #86b393; } } * { box-sizing: border-box; } html { -webkit-text-size-adjust: 100%; } body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--body-font); font-size: 19px; line-height: 1.65; } .wrap { max-width: 700px; margin: 0 auto; padding: 0 16px; } a { color: var(--link); text-underline-offset: 3px; } a:hover { text-decoration-thickness: 2px; } img { max-width: 100%; height: auto; } .sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); } /* đầu trang */ .site-head { background: var(--head-bg); border-bottom: 1px solid var(--line); margin-bottom: 44px; } .site-head .wrap { max-width: 1000px; } .head-row { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px 28px; padding-top: 22px; padding-bottom: 22px; } .brand-row { display: flex; align-items: center; gap: 14px; } .brand { color: var(--head-ink); text-decoration: none; line-height: 1; } .site-head nav { display: flex; flex-wrap: wrap; gap: 6px 26px; font-family: var(--sans); font-size: 18px; align-items: center; } .site-head nav a { color: var(--head-soft); text-decoration: none; opacity: .92; } .site-head nav a:hover, .site-head nav a[aria-current] { color: var(--head-ink); opacity: 1; text-decoration: underline; text-underline-offset: 7px; text-decoration-thickness: 2px; } .site-head nav a.nav-cta { color: var(--head-bg); background: var(--head-ink); font-weight: 700; opacity: 1; padding: 8px 16px; border-radius: 999px; } .site-head nav a.nav-cta:hover { text-decoration: none; filter: brightness(.95); } /* logo 1: góc ngoặc kiểu Scott, NGHIA trắng + VO màu mạ */ .logo-brackets { position: relative; display: inline-block; padding: 7px 12px 6px; font-family: var(--sans); font-weight: 800; font-size: 30px; letter-spacing: .02em; } .logo-brackets::before, .logo-brackets::after { content: ""; position: absolute; width: 12px; height: 12px; border-color: var(--logo-2); border-style: solid; } .logo-brackets::before { left: 0; top: 0; border-width: 3px 0 0 3px; } .logo-brackets::after { right: 0; bottom: 0; border-width: 0 3px 3px 0; } .logo-brackets b { color: var(--logo-2); font-weight: 800; margin-left: 6px; } /* logo 2: kiểu dòng lệnh, con trỏ nhấp nháy (người không biết code mà logo như code) */ .logo-cursor { font-family: var(--mono); font-weight: 700; font-size: 29px; letter-spacing: -.02em; } .logo-cursor b { color: var(--logo-2); } .logo-cursor i { font-style: normal; color: var(--logo-2); animation: blink 1.1s steps(1) infinite; } @keyframes blink { 50% { opacity: 0; } } @media (prefers-reduced-motion: reduce) { .logo-cursor i { animation: none; } } .day-pill { font-family: var(--sans); font-size: 13px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--head-ink); border: 1.5px solid var(--logo-2); border-radius: 999px; padding: 4px 10px; text-decoration: none; white-space: nowrap; } .day-pill:hover { background: rgba(255,255,255,.12); } /* chữ */ h1, h2, h3 { color: var(--title); font-family: var(--sans); line-height: 1.2; letter-spacing: -.015em; } h1 { font-size: 36px; margin: 0 0 14px; } h2 { font-size: 25px; margin: 44px 0 12px; } h3 { font-size: 20px; margin: 28px 0 8px; } p, ul, ol { margin: 0 0 18px; } li { margin-bottom: 6px; } hr { border: 0; border-top: 1px solid var(--line); margin: 40px 0; } strong { font-weight: 700; } code { font-family: var(--mono); font-size: .82em; background: var(--code); padding: 2px 5px; border-radius: 4px; } pre { background: var(--code); border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px; overflow-x: auto; font-size: 15px; line-height: 1.5; } pre code { background: none; padding: 0; font-size: 1em; white-space: pre-wrap; word-break: break-word; } blockquote { margin: 0 0 18px; padding-left: 16px; border-left: 3px solid var(--accent); color: var(--soft); } table { border-collapse: collapse; width: 100%; font-family: var(--sans); font-size: 16px; margin-bottom: 18px; } th, td { border-bottom: 1px solid var(--line); padding: 8px 6px; text-align: left; vertical-align: top; } figure { margin: 22px 0 28px; } figure img { display: block; border: 1px solid var(--line); border-radius: 8px; } figcaption { font-family: var(--sans); font-size: 15px; color: var(--soft); margin-top: 8px; line-height: 1.45; } .kicker { font-family: var(--sans); font-size: 14px; text-transform: uppercase; letter-spacing: .08em; font-weight: 600; margin-bottom: 8px; } .kicker a { text-decoration: none; } .dek { font-size: 22px; color: var(--soft); line-height: 1.45; margin-bottom: 14px; } .meta { font-family: var(--sans); font-size: 15px; color: var(--soft); } .disclosure { font-family: var(--sans); font-size: 15px; background: var(--box); border-radius: 8px; padding: 12px 14px; } .post h2 { padding-top: 8px; } .empty { color: var(--soft); font-style: italic; } /* trang chủ */ .hero h1 { font-size: 40px; } .hero p:first-of-type { font-size: 21px; } .status { font-family: var(--sans); font-size: 16px; display: inline-block; background: var(--box); border-radius: 14px; padding: 6px 14px; } .block h2 { font-size: 21px; text-transform: uppercase; letter-spacing: .06em; color: var(--soft); border-bottom: 1px solid var(--line); padding-bottom: 8px; } .post-list { list-style: none; padding: 0; } .post-list li { margin-bottom: 22px; } .post-list a { color: var(--title); font-family: var(--sans); font-weight: 700; font-size: 21px; text-decoration: none; } .post-list a:hover { text-decoration: underline; } .post-list .meta { display: block; margin-top: 2px; } .post-list p { margin: 6px 0 0; color: var(--soft); font-size: 17px; } /* ô lấy email */ .optin { background: var(--box); border: 1px solid var(--line); border-radius: 12px; padding: 22px 22px 16px; margin: 40px 0; } .optin h2 { margin-top: 0; font-size: 23px; } .optin-form { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; } .optin-form input { flex: 1 1 220px; min-width: 0; font: inherit; font-family: var(--sans); font-size: 17px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--ink); } .optin-form input:focus { outline: 2px solid var(--accent); outline-offset: 1px; } .optin-form button { flex: 0 0 auto; font-family: var(--sans); font-size: 17px; font-weight: 600; cursor: pointer; padding: 12px 20px; border: 0; border-radius: 8px; background: var(--accent); color: var(--accent-ink); } .optin-form button:hover { filter: brightness(1.08); } .fine { font-family: var(--sans); font-size: 13.5px; color: var(--soft); } .big-button { display: inline-block; font-family: var(--sans); font-weight: 600; background: var(--accent); color: var(--accent-ink); text-decoration: none; padding: 12px 20px; border-radius: 8px; } /* chân trang */ .site-foot { border-top: 1px solid var(--line); margin-top: 64px; padding: 24px 0 40px; font-family: var(--sans); font-size: 15px; color: var(--soft); } .site-foot p { margin: 0 0 6px; } .site-foot a { color: var(--soft); } .kicker a { color: var(--accent); } @media (max-width: 560px) { body { font-size: 18px; } h1, .hero h1 { font-size: 30px; } .dek { font-size: 19px; } .site-head { margin-bottom: 28px; } .head-row { padding-top: 16px; padding-bottom: 14px; } .logo-brackets { font-size: 24px; } .logo-cursor { font-size: 23px; } .site-head nav { font-size: 16px; gap: 6px 18px; } .site-head nav a.nav-cta { padding: 6px 12px; } .optin { padding: 18px 16px 12px; } .optin-form button { width: 100%; } } .author { float: right; width: 120px; height: 120px; border-radius: 50%; object-fit: cover; margin: 4px 0 12px 20px; border: 1px solid var(--line); } @media (max-width: 560px) { .author { width: 88px; height: 88px; margin-left: 14px; } }