/* assets/css/style.css — BLUEMANHST v2 : GAMER DEVELOPER + MODERN TECH * Zero dependency. Theme doi bang data-theme tren . * Giu nguyen 100% class/ID ma JS dang dung. */ /* ===== Bien mau ===== */ :root { --accent: #2f7bff; --accent-2: #22d3ee; --accent-soft: rgba(47, 123, 255, 0.12); --radius: 6px; --radius-sm: 4px; --maxw: 1180px; --font: "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif; --display: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; --mono: "Cascadia Code", "Cascadia Mono", Consolas, monospace; --head-h: 62px; } html[data-theme="dark"] { --bg: #060a14; --bg-soft: #0a1020; --bg-rail: #0a1020; --card: #0c1327; --card-2: #101a33; --card-border: rgba(148, 178, 255, 0.15); --line: rgba(148, 178, 255, 0.12); --text: #e9edf9; --text-muted: #8f9bbd; --header-bg: rgba(6, 10, 20, 0.88); --shadow: 0 18px 44px rgba(0, 0, 0, 0.5); --chip-bg: rgba(47, 123, 255, 0.12); --hud: #22d3ee; } html[data-theme="light"] { --bg: #edf1fa; --bg-soft: #ffffff; --bg-rail: #e3e9f7; --card: #ffffff; --card-2: #f2f5fd; --card-border: rgba(18, 26, 64, 0.13); --line: rgba(18, 26, 64, 0.10); --text: #131a33; --text-muted: #5b6785; --header-bg: rgba(255, 255, 255, 0.9); --shadow: 0 14px 32px rgba(20, 30, 70, 0.12); --chip-bg: rgba(47, 123, 255, 0.10); --hud: #0284c7; --accent-2: #0e7490; } /* ===== Co ban ===== */ * { box-sizing: border-box; } html { scroll-behavior: smooth; scroll-padding-top: calc(var(--head-h) + 14px); } body { margin: 0; font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.65; -webkit-font-smoothing: antialiased; overflow-x: hidden; } img { max-width: 100%; display: block; } a { color: inherit; text-decoration: none; } code { font-family: var(--mono); font-size: 0.88em; } .container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; } .muted { color: var(--text-muted); } .small { font-size: 0.86rem; } .skip-link { position: absolute; left: -9999px; top: 0; z-index: 200; background: var(--accent); color: #fff; padding: 10px 16px; } .skip-link:focus { left: 0; } /* ===== Background ky thuat ===== */ .bgfx { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; } main, .site-footer { position: relative; z-index: 1; } .bgfx-canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; opacity: 0.95; } .bgfx-grid { position: absolute; inset: 0; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 44px 44px; mask-image: radial-gradient(ellipse 90% 70% at 50% 18%, #000 30%, transparent 75%); -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 18%, #000 30%, transparent 75%); opacity: 0.6; } .bgfx-glow { position: absolute; top: -320px; left: 50%; width: 900px; height: 620px; transform: translateX(-50%); background: radial-gradient(closest-side, rgba(47,123,255,0.20), transparent 72%); transition: transform 0.35s ease-out; } .bgfx-scan { position: absolute; left: 0; right: 0; top: -20%; height: 22%; background: linear-gradient(transparent, rgba(34,211,238,0.045), transparent); animation: scan 11s linear infinite; } @keyframes scan { to { top: 120%; } } .fx-grid, .fx-glow { position: absolute; inset: 0; pointer-events: none; } /* ===== Header ===== */ .site-header { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); background: var(--header-bg); border-bottom: 1px solid var(--line); } .site-header.is-scrolled { border-bottom-color: var(--accent); } .header-inner { display: flex; align-items: center; gap: 14px; height: var(--head-h); } .brand { display: flex; align-items: center; gap: 10px; font-weight: 800; } .brand-avatar { border-radius: 5px; border: 1px solid var(--card-border); } .brand-text { letter-spacing: 0.4px; font-family: var(--display); font-size: 1.02rem; } .brand-tag { font-family: var(--mono); font-size: 0.64rem; letter-spacing: 1.2px; color: var(--hud); border: 1px solid var(--card-border); padding: 2px 7px; border-radius: 3px; background: var(--chip-bg); white-space: nowrap; } @media (max-width: 560px) { .brand-tag { display: none; } } .nav { display: flex; gap: 4px; margin-left: auto; } .nav-link { position: relative; padding: 8px 12px; border-radius: 5px; color: var(--text-muted); font-size: 0.92rem; font-weight: 600; font-family: var(--mono); letter-spacing: 0.4px; transition: background 0.18s ease, color 0.18s ease; } .nav-link::before { content: "> "; color: var(--hud); opacity: 0; } .nav-link:hover, .nav-link.active { background: var(--chip-bg); color: var(--text); } .nav-link:hover::before, .nav-link.active::before { opacity: 1; } .nav-link.active::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 3px; height: 2px; background: var(--accent); border-radius: 2px; } .header-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; } .icon-btn { min-width: 38px; height: 38px; padding: 0 10px; border-radius: var(--radius-sm); border: 1px solid var(--card-border); background: var(--card); color: var(--text); font: inherit; font-size: 0.86rem; cursor: pointer; transition: transform 0.15s ease, border-color 0.15s ease; } .icon-btn:hover { transform: translateY(-1px); border-color: var(--accent); } /* #adminBtn la nen mac dinh khong can display/can giua nhu