/* ============================================================ UPR ACTIVITY HUB — design tokens Default theme is "light lab" (bright, airy). Toggle to "dark deck" (the original arcade-HUD look) via the button in the header, which sets [data-theme] on . ============================================================ */ :root, html[data-theme="light"] { --bg-void: #F3F6FC; --bg-panel: #FFFFFF; --bg-panel-2: #EAF0FA; --bg-panel-3: #DCE5F5; --accent-cyan: #0891B2; --accent-cyan-dim: rgba(8, 145, 178, 0.16); --accent-violet: #6D4CE0; --accent-amber: #C97A00; --text-primary: #131A2E; --text-muted: #4E5A80; --text-faint: #8791B3; --line: rgba(19, 26, 46, 0.10); --line-strong: rgba(19, 26, 46, 0.26); --scrim-strong: rgba(248, 251, 255, 0.97); --scrim-mid: rgba(248, 251, 255, 0.80); --scrim-soft: rgba(248, 251, 255, 0.30); --grid-opacity: 0.16; --header-bg: rgba(255, 255, 255, 0.72); --on-accent: #FFFFFF; --overlay-text: #131A2E; --overlay-muted: #4E5A80; --chip-bg: rgba(255, 255, 255, 0.88); --chip-text: #131A2E; --font-display: 'Chakra Petch', 'Noto Sans Thai', sans-serif; --font-body: 'IBM Plex Sans Thai', 'Noto Sans Thai', sans-serif; --font-mono: 'JetBrains Mono', 'IBM Plex Sans Thai', monospace; --radius: 14px; --radius-sm: 8px; --container: 1240px; --header-h: 76px; color-scheme: light; } html[data-theme="dark"] { --bg-void: #060A14; --bg-panel: #0D1428; --bg-panel-2: #131B36; --bg-panel-3: #1A2444; --accent-cyan: #33E6FF; --accent-cyan-dim: rgba(51, 230, 255, 0.35); --accent-violet: #8B6BFF; --accent-amber: #FFB13D; --text-primary: #EAF1FF; --text-muted: #8A96BE; --text-faint: #56618A; --line: rgba(51, 230, 255, 0.16); --line-strong: rgba(51, 230, 255, 0.4); --scrim-strong: rgba(6, 10, 20, 0.94); --scrim-mid: rgba(6, 10, 20, 0.35); --scrim-soft: rgba(6, 10, 20, 0.15); --grid-opacity: 0.35; --header-bg: rgba(6, 10, 20, 0.78); --on-accent: #05070E; --overlay-text: #EAF1FF; --overlay-muted: #A9B6D8; --chip-bg: rgba(6, 10, 20, 0.62); --chip-text: #EAF1FF; color-scheme: dark; } body { transition: background 0.25s ease, color 0.25s ease; } @media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; } } * { box-sizing: border-box; } html { scroll-behavior: smooth; } body { margin: 0; background: var(--bg-void); color: var(--text-primary); font-family: var(--font-body); line-height: 1.6; -webkit-font-smoothing: antialiased; } img { max-width: 100%; display: block; } a { color: inherit; text-decoration: none; } button { font-family: inherit; cursor: pointer; } ul { list-style: none; margin: 0; padding: 0; } .container { max-width: var(--container); margin: 0 auto; padding: 0 24px; } /* Ambient backdrop: faint drifting grid, sits behind everything */ .bg-grid { position: fixed; inset: 0; z-index: 0; pointer-events: none; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 64px 64px; opacity: var(--grid-opacity); mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 90%); transition: opacity 0.25s ease; } /* ============================================================ HUD corner-bracket frame — the signature motif, reused on the hero, the tiles, and every activity card on hover/focus. ============================================================ */ .hud-frame { position: relative; } .hud-frame::before, .hud-frame::after, .hud-frame .hud-corner { content: ''; position: absolute; width: 22px; height: 22px; border: 2px solid var(--accent-cyan); opacity: 0; transition: opacity 0.25s ease, transform 0.25s ease; pointer-events: none; } .hud-frame::before { top: 10px; left: 10px; border-right: none; border-bottom: none; transform: translate(-4px, -4px); } .hud-frame::after { bottom: 10px; right: 10px; border-left: none; border-top: none; transform: translate(4px, 4px); } .hud-frame:hover::before, .hud-frame:focus-within::before, .hud-frame:hover::after, .hud-frame:focus-within::after { opacity: 1; transform: translate(0, 0); } /* ============================================================ Header ============================================================ */ .site-header { position: sticky; top: 0; z-index: 50; height: var(--header-h); display: flex; align-items: center; background: var(--header-bg); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); transition: background 0.25s ease, border-color 0.25s ease; } .site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; } .brand { display: flex; align-items: center; gap: 12px; } .brand img { width: 44px; height: 44px; object-fit: contain; } .brand .brand-text { display: flex; flex-direction: column; line-height: 1.2; } .brand .brand-text strong { font-family: var(--font-display); font-size: 17px; letter-spacing: 0.5px; } .brand .brand-text span { font-family: var(--font-mono); font-size: 11px; color: var(--accent-cyan); letter-spacing: 1.5px; } .main-nav { display: flex; align-items: center; gap: 4px; } .main-nav a { font-family: var(--font-display); font-size: 14.5px; padding: 8px 14px; border-radius: var(--radius-sm); color: var(--text-muted); transition: color 0.2s ease, background 0.2s ease; } .main-nav a:hover, .main-nav a:focus-visible { color: var(--text-primary); background: var(--bg-panel-2); } .hud-clock { font-family: var(--font-mono); font-size: 12px; color: var(--text-faint); display: flex; align-items: center; gap: 8px; white-space: nowrap; } .hud-clock .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent-cyan); box-shadow: 0 0 8px var(--accent-cyan); animation: pulse 2.2s ease-in-out infinite; } @keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } } .nav-toggle { display: none; background: none; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); width: 40px; height: 40px; color: var(--text-primary); font-size: 18px; } .theme-toggle { display: flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--line-strong); background: var(--bg-panel-2); color: var(--text-primary); font-size: 15px; transition: transform 0.25s ease, background 0.2s ease, border-color 0.2s ease; } .theme-toggle:hover { transform: rotate(18deg); border-color: var(--accent-cyan); } .theme-toggle:active { transform: scale(0.92); } /* ============================================================ Hero carousel ============================================================ */ .hero { position: relative; margin: 20px auto 0; max-width: var(--container); padding: 0 24px; } .hero-frame { position: relative; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); aspect-ratio: 16 / 7; background: var(--bg-panel); } .hero-slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity 0.7s ease; } .hero-slide.is-active { opacity: 1; visibility: visible; } .hero-slide img { width: 100%; height: 100%; object-fit: cover; } .hero-slide::before { content: ''; position: absolute; inset: 0; background: linear-gradient(0deg, var(--scrim-strong) 0%, var(--scrim-strong) 28%, var(--scrim-mid) 40%, transparent 56%); } .hero-copy { position: absolute; left: 0; right: 0; bottom: 0; padding: 28px 32px 30px; } .hero-eyebrow { font-family: var(--font-mono); font-size: 12px; letter-spacing: 2px; color: var(--accent-cyan); margin-bottom: 10px; } .hero-title { font-family: var(--font-display); font-size: clamp(24px, 4vw, 42px); font-weight: 700; margin: 0 0 10px; max-width: 720px; color: var(--overlay-text); } .hero-desc { color: var(--overlay-muted); max-width: 560px; margin: 0 0 18px; font-size: 15px; } .btn { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-display); font-weight: 600; font-size: 14.5px; padding: 12px 22px; border-radius: var(--radius-sm); border: 1px solid transparent; transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease; } .btn-primary { background: linear-gradient(135deg, var(--accent-cyan), var(--accent-violet)); color: var(--on-accent); } .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(51,230,255,0.28); } .btn-ghost { background: rgba(255,255,255,0.04); border-color: var(--line-strong); color: var(--text-primary); } .btn-ghost:hover { background: rgba(255,255,255,0.08); transform: translateY(-2px); } .hero-nav { position: absolute; top: 50%; transform: translateY(-50%); width: 42px; height: 42px; display: flex; align-items: center; justify-content: center; background: var(--chip-bg); border: 1px solid var(--line-strong); border-radius: 50%; color: var(--chip-text); font-size: 18px; z-index: 2; backdrop-filter: blur(6px); transition: background 0.2s ease; } .hero-nav:hover { background: rgba(51,230,255,0.18); } .hero-nav.prev { left: 16px; } .hero-nav.next { right: 16px; } .hero-dots { position: absolute; right: 24px; bottom: 26px; display: flex; gap: 8px; z-index: 2; } .hero-dots button { width: 26px; height: 3px; background: rgba(255,255,255,0.25); border: none; border-radius: 2px; transition: background 0.2s ease, width 0.2s ease; } .hero-dots button.is-active { background: var(--accent-cyan); width: 40px; } /* ============================================================ Section shell ============================================================ */ .section { position: relative; z-index: 1; padding: 72px 0 8px; } .section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 28px; flex-wrap: wrap; } .section-eyebrow { font-family: var(--font-mono); font-size: 12px; letter-spacing: 2px; color: var(--accent-cyan); display: block; margin-bottom: 8px; } .section-title { font-family: var(--font-display); font-size: clamp(22px, 3vw, 30px); margin: 0; } .section-sub { color: var(--text-muted); font-size: 14.5px; max-width: 520px; } /* ============================================================ Quick-access tiles (Microsoft-Store style) ============================================================ */ .tiles { display: grid; grid-template-columns: 1.4fr 1fr; grid-template-rows: auto auto; gap: 18px; } .tile { position: relative; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: var(--bg-panel); min-height: 200px; display: flex; align-items: flex-end; transition: transform 0.25s ease, border-color 0.25s ease; } .tile.is-large { grid-row: 1 / 3; min-height: 424px; } .tile:hover, .tile:focus-visible { transform: translateY(-4px); border-color: var(--line-strong); } .tile img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; } .tile:hover img { transform: scale(1.05); } .tile::before { content: ''; position: absolute; inset: 0; background: linear-gradient(0deg, var(--scrim-strong) 0%, var(--scrim-strong) 32%, var(--scrim-mid) 44%, transparent 60%); z-index: 1; } .tile-body { position: relative; z-index: 2; padding: 22px; width: 100%; } .tile-badge { display: inline-block; font-family: var(--font-mono); font-size: 11px; letter-spacing: 1.2px; color: var(--accent-amber); border: 1px solid rgba(255,177,61,0.4); padding: 3px 9px; border-radius: 20px; margin-bottom: 10px; } .tile-title { font-family: var(--font-display); font-weight: 700; margin: 0 0 6px; color: var(--overlay-text); } .tile.is-large .tile-title { font-size: 26px; } .tile.is-small .tile-title { font-size: 18px; } .tile-desc { color: var(--overlay-muted); font-size: 13.5px; margin: 0; max-width: 380px; } /* ============================================================ Category tabs ============================================================ */ .tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; } .tab { font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.5px; padding: 9px 16px; border-radius: 20px; border: 1px solid var(--line); background: var(--bg-panel); color: var(--text-muted); transition: all 0.2s ease; } .tab:hover { border-color: var(--line-strong); color: var(--text-primary); } .tab.is-active { background: var(--accent-cyan); border-color: var(--accent-cyan); color: var(--on-accent); font-weight: 600; } /* ============================================================ Activity grid + cards ============================================================ */ .activity-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; } .card { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: var(--bg-panel); display: flex; flex-direction: column; transition: transform 0.25s ease, border-color 0.25s ease; } .card:hover, .card:focus-within { transform: translateY(-4px); border-color: var(--line-strong); } .card-media { position: relative; aspect-ratio: 16/10; overflow: hidden; } .card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; } .card:hover .card-media img { transform: scale(1.06); } .card-code { position: absolute; top: 10px; left: 10px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 1px; background: var(--chip-bg); border: 1px solid var(--line-strong); color: var(--accent-cyan); padding: 3px 8px; border-radius: 4px; z-index: 2; } .card-body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; } .card-date { font-family: var(--font-mono); font-size: 11.5px; color: var(--text-faint); letter-spacing: 0.5px; } .card-title { font-family: var(--font-display); font-size: 17px; margin: 0; font-weight: 600; } .card-desc { color: var(--text-muted); font-size: 13.5px; margin: 0; flex: 1; } .card-link { margin-top: 4px; font-family: var(--font-mono); font-size: 12px; color: var(--accent-cyan); display: inline-flex; align-items: center; gap: 6px; } .card-link .arrow { transition: transform 0.2s ease; } .card:hover .card-link .arrow { transform: translateX(4px); } /* ============================================================ News / terminal feed ============================================================ */ .news-feed { border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-panel); overflow: hidden; } .news-item { display: grid; grid-template-columns: 120px 1fr; gap: 18px; padding: 18px 22px; border-bottom: 1px solid var(--line); } .news-item:last-child { border-bottom: none; } .news-date { font-family: var(--font-mono); font-size: 12px; color: var(--accent-cyan); } .news-title { font-family: var(--font-display); font-size: 15.5px; margin: 0 0 4px; font-weight: 600; } .news-desc { color: var(--text-muted); font-size: 13.5px; margin: 0; } /* ============================================================ Modal (activity gallery) ============================================================ */ .modal-overlay { position: fixed; inset: 0; background: rgba(6,10,20,0.85); backdrop-filter: blur(6px); display: flex; align-items: center; justify-content: center; padding: 24px; z-index: 100; opacity: 0; visibility: hidden; transition: opacity 0.25s ease; } .modal-overlay.is-open { opacity: 1; visibility: visible; } .modal-box { width: min(720px, 100%); background: var(--bg-panel-2); border: 1px solid var(--line-strong); border-radius: var(--radius); overflow: hidden; } .modal-media { aspect-ratio: 16/10; } .modal-media img { width: 100%; height: 100%; object-fit: cover; } .modal-body { padding: 20px 24px 24px; } .modal-close { position: absolute; top: 18px; right: 18px; width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--line-strong); background: var(--chip-bg); color: var(--chip-text); font-size: 16px; } /* ============================================================ Footer ============================================================ */ .site-footer { margin-top: 90px; border-top: 1px solid var(--line); padding: 36px 0 40px; color: var(--text-faint); font-size: 13px; } .site-footer .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; } .site-footer .footer-mono { font-family: var(--font-mono); } /* ============================================================ Responsive ============================================================ */ @media (max-width: 900px) { .tiles { grid-template-columns: 1fr; grid-template-rows: auto; } .tile.is-large { min-height: 260px; } } @media (max-width: 760px) { .main-nav { position: fixed; top: var(--header-h); left: 0; right: 0; background: var(--bg-void); border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; padding: 10px; gap: 2px; transform: translateY(-120%); transition: transform 0.25s ease; } .main-nav.is-open { transform: translateY(0); } .main-nav a { padding: 12px 14px; } .nav-toggle { display: block; } .hud-clock { display: none; } .hero-frame { aspect-ratio: 4/5; } .news-item { grid-template-columns: 1fr; gap: 4px; } } @media (max-width: 520px) { .container { padding: 0 16px; } .hero { padding: 0 16px; } .section { padding: 52px 0 8px; } }