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| /* ════════════════════════════════════════════ | |
| PDA SIMULATOR – STYLE.CSS | |
| Aesthetic: Dark Sci-Fi Terminal / Presentation | |
| ════════════════════════════════════════════ */ | |
| /* ── Variables ───────────────────────────── */ | |
| :root { | |
| --bg: #090b14; | |
| --bg2: #0d1120; | |
| --surface: rgba(255,255,255,.04); | |
| --surface2: rgba(255,255,255,.08); | |
| --border: rgba(255,255,255,.10); | |
| --accent: #00e5ff; | |
| --accent2: #7c4dff; | |
| --accent3: #ff6b6b; | |
| --green: #00e676; | |
| --yellow: #ffd740; | |
| --text: #e8eaf0; | |
| --text2: #8892a4; | |
| --text3: #4a5568; | |
| --nav-w: 200px; | |
| --font-display: 'Orbitron', monospace; | |
| --font-mono: 'Space Mono', monospace; | |
| --font-body: 'Inter', sans-serif; | |
| --radius: 12px; | |
| --glow: 0 0 20px rgba(0,229,255,.25); | |
| --glow2: 0 0 20px rgba(124,77,255,.25); | |
| } | |
| /* ── Reset ───────────────────────────────── */ | |
| *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; } | |
| html { scroll-behavior: smooth; } | |
| body { | |
| background: var(--bg); | |
| color: var(--text); | |
| font-family: var(--font-body); | |
| min-height: 100vh; | |
| overflow-x: hidden; | |
| } | |
| /* ── Grid background ─────────────────────── */ | |
| .grid-bg { | |
| position: absolute; inset: 0; z-index: 0; | |
| background-image: | |
| linear-gradient(rgba(0,229,255,.04) 1px, transparent 1px), | |
| linear-gradient(90deg, rgba(0,229,255,.04) 1px, transparent 1px); | |
| background-size: 48px 48px; | |
| pointer-events: none; | |
| } | |
| .scanline { | |
| position: absolute; inset: 0; z-index: 0; | |
| background: repeating-linear-gradient( | |
| to bottom, | |
| transparent, transparent 3px, | |
| rgba(0,0,0,.08) 3px, rgba(0,0,0,.08) 4px | |
| ); | |
| pointer-events: none; | |
| animation: scan 8s linear infinite; | |
| } | |
| @keyframes scan { | |
| 0% { background-position: 0 0; } | |
| 100% { background-position: 0 80px; } | |
| } | |
| /* ── Side Nav ────────────────────────────── */ | |
| .sidenav { | |
| position: fixed; top: 0; left: 0; | |
| width: var(--nav-w); height: 100vh; | |
| background: rgba(9,11,20,.95); | |
| border-right: 1px solid var(--border); | |
| display: flex; flex-direction: column; | |
| padding: 24px 0; | |
| z-index: 100; | |
| backdrop-filter: blur(12px); | |
| } | |
| .nav-logo { | |
| font-family: var(--font-display); | |
| font-size: 1.3rem; font-weight: 900; | |
| color: var(--text); | |
| padding: 0 24px 24px; | |
| letter-spacing: 2px; | |
| border-bottom: 1px solid var(--border); | |
| margin-bottom: 16px; | |
| } | |
| .nav-logo span { color: var(--accent); } | |
| .sidenav ul { list-style: none; flex: 1; } | |
| .sidenav ul li { } | |
| .sidenav ul li button { | |
| width: 100%; text-align: left; | |
| padding: 12px 24px; | |
| background: none; border: none; | |
| color: var(--text2); | |
| font-family: var(--font-body); | |
| font-size: .85rem; font-weight: 500; | |
| cursor: pointer; | |
| transition: all .2s; | |
| border-left: 3px solid transparent; | |
| position: relative; | |
| } | |
| .sidenav ul li button:hover, | |
| .sidenav ul li button.active { | |
| color: var(--accent); | |
| border-left-color: var(--accent); | |
| background: rgba(0,229,255,.06); | |
| } | |
| /* ── Sections ────────────────────────────── */ | |
| .section { | |
| margin-left: var(--nav-w); | |
| min-height: 100vh; | |
| position: relative; | |
| display: flex; align-items: center; justify-content: center; | |
| padding: 60px 40px; | |
| overflow: hidden; | |
| } | |
| .section-inner { | |
| position: relative; z-index: 1; | |
| width: 100%; max-width: 1000px; | |
| } | |
| .section-header { | |
| margin-bottom: 48px; | |
| text-align: center; | |
| } | |
| .section-num { | |
| font-family: var(--font-display); | |
| font-size: 4rem; font-weight: 900; | |
| color: rgba(0,229,255,.08); | |
| line-height: 1; | |
| margin-bottom: 4px; | |
| letter-spacing: 4px; | |
| } | |
| .section-header h2 { | |
| font-family: var(--font-display); | |
| font-size: 2rem; font-weight: 700; | |
| color: var(--text); | |
| letter-spacing: 1px; | |
| margin-bottom: 8px; | |
| } | |
| .section-header p { color: var(--text2); font-size: .95rem; } | |
| /* ── HERO ────────────────────────────────── */ | |
| #hero { background: radial-gradient(ellipse at 30% 40%, rgba(0,229,255,.06) 0%, transparent 60%), | |
| radial-gradient(ellipse at 70% 60%, rgba(124,77,255,.06) 0%, transparent 60%), | |
| var(--bg); } | |
| .hero-content { | |
| position: relative; z-index: 2; | |
| text-align: center; | |
| max-width: 700px; | |
| } | |
| .badge { | |
| display: inline-block; | |
| background: rgba(0,229,255,.1); | |
| border: 1px solid rgba(0,229,255,.3); | |
| color: var(--accent); | |
| font-size: .75rem; font-weight: 600; | |
| letter-spacing: 2px; text-transform: uppercase; | |
| padding: 6px 16px; border-radius: 20px; | |
| margin-bottom: 24px; | |
| animation: fadeUp .6s ease both; | |
| } | |
| .hero-title { | |
| font-family: var(--font-display); | |
| font-weight: 900; line-height: 1.1; | |
| margin-bottom: 16px; | |
| } | |
| .title-line { | |
| display: block; font-size: clamp(3rem, 8vw, 5.5rem); | |
| color: var(--text); | |
| animation: fadeUp .6s ease both; | |
| animation-delay: .1s; | |
| } | |
| .title-line.accent { | |
| color: var(--accent); | |
| text-shadow: 0 0 40px rgba(0,229,255,.4); | |
| animation-delay: .2s; | |
| } | |
| .hero-sub { | |
| font-family: var(--font-mono); | |
| color: var(--text2); font-size: .9rem; | |
| letter-spacing: 1px; margin-bottom: 20px; | |
| animation: fadeUp .6s ease both .3s; | |
| } | |
| .hero-desc { | |
| color: var(--text2); font-size: 1rem; line-height: 1.7; | |
| margin-bottom: 24px; | |
| animation: fadeUp .6s ease both .35s; | |
| } | |
| .hero-desc strong { color: var(--accent); } | |
| .hero-desc em { color: var(--accent2); font-style: normal; } | |
| .hero-chips { | |
| display: flex; flex-wrap: wrap; gap: 8px; | |
| justify-content: center; margin-bottom: 32px; | |
| animation: fadeUp .6s ease both .4s; | |
| } | |
| .chip { | |
| padding: 5px 14px; border-radius: 20px; | |
| border: 1px solid var(--border); | |
| background: var(--surface); | |
| font-size: .78rem; color: var(--text2); | |
| font-weight: 500; | |
| } | |
| /* ── Orbs ────────────────────────────────── */ | |
| .orb { | |
| position: absolute; border-radius: 50%; | |
| filter: blur(80px); opacity: .4; pointer-events: none; | |
| animation: float 8s ease-in-out infinite; | |
| } | |
| .orb1 { width: 300px; height: 300px; background: var(--accent2); top: 10%; left: 5%; animation-delay: 0s; } | |
| .orb2 { width: 200px; height: 200px; background: var(--accent); top: 60%; right: 5%; animation-delay: 3s; } | |
| .orb3 { width: 150px; height: 150px; background: #ff6b6b; bottom: 10%; left: 30%; animation-delay: 6s; } | |
| @keyframes float { | |
| 0%,100% { transform: translateY(0) scale(1); } | |
| 50% { transform: translateY(-24px) scale(1.05); } | |
| } | |
| /* ── Buttons ─────────────────────────────── */ | |
| .btn-glow { | |
| display: inline-flex; align-items: center; gap: 8px; | |
| padding: 14px 32px; border-radius: 8px; | |
| background: linear-gradient(135deg, var(--accent), var(--accent2)); | |
| border: none; color: #fff; | |
| font-family: var(--font-display); font-size: .85rem; font-weight: 700; | |
| letter-spacing: 1px; cursor: pointer; | |
| box-shadow: 0 0 24px rgba(0,229,255,.4), 0 4px 20px rgba(0,0,0,.3); | |
| transition: all .3s; | |
| animation: fadeUp .6s ease both .5s; | |
| } | |
| .btn-glow:hover { | |
| transform: translateY(-2px); | |
| box-shadow: 0 0 40px rgba(0,229,255,.6), 0 8px 30px rgba(0,0,0,.4); | |
| } | |
| .btn-glow:active { transform: translateY(0); } | |
| .btn-outline { | |
| display: inline-flex; align-items: center; gap: 8px; | |
| padding: 12px 28px; border-radius: 8px; | |
| background: transparent; | |
| border: 1px solid var(--accent); color: var(--accent); | |
| font-family: var(--font-body); font-size: .9rem; font-weight: 600; | |
| cursor: pointer; transition: all .3s; | |
| } | |
| .btn-outline:hover { | |
| background: rgba(0,229,255,.08); | |
| box-shadow: var(--glow); | |
| } | |
| /* ── Concepts grid ───────────────────────── */ | |
| .concepts-grid { | |
| display: grid; | |
| grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); | |
| gap: 20px; margin-bottom: 40px; | |
| } | |
| .concept-card { | |
| background: var(--surface); | |
| border: 1px solid var(--border); | |
| border-radius: var(--radius); | |
| padding: 24px; | |
| backdrop-filter: blur(8px); | |
| transition: transform .25s, box-shadow .25s, border-color .25s; | |
| animation: fadeUp .5s ease both; | |
| animation-delay: var(--delay, 0s); | |
| } | |
| .concept-card:hover { | |
| transform: translateY(-4px); | |
| box-shadow: var(--glow); | |
| border-color: rgba(0,229,255,.3); | |
| } | |
| .concept-icon { | |
| font-family: var(--font-display); | |
| font-size: 1.8rem; font-weight: 900; | |
| color: var(--accent); | |
| margin-bottom: 12px; | |
| } | |
| .concept-card h3 { font-size: 1rem; font-weight: 600; margin-bottom: 8px; } | |
| .concept-card p { color: var(--text2); font-size: .85rem; line-height: 1.6; } | |
| .formal-def { | |
| text-align: center; margin: 32px 0 24px; | |
| background: var(--surface); border: 1px solid var(--border); | |
| border-radius: var(--radius); padding: 16px 24px; | |
| } | |
| .mono { | |
| font-family: var(--font-mono); | |
| color: var(--accent2); font-size: 1rem; | |
| letter-spacing: 1px; | |
| } | |
| /* ── Input form ──────────────────────────── */ | |
| .sample-row { | |
| display: flex; align-items: center; gap: 10px; | |
| margin-bottom: 28px; flex-wrap: wrap; | |
| } | |
| .sample-label { color: var(--text2); font-size: .85rem; font-weight: 600; } | |
| .btn-sample { | |
| padding: 7px 16px; border-radius: 6px; | |
| background: var(--surface2); border: 1px solid var(--border); | |
| color: var(--text); font-size: .82rem; cursor: pointer; | |
| transition: all .2s; font-family: var(--font-mono); | |
| } | |
| .btn-sample:hover { | |
| background: rgba(0,229,255,.1); border-color: var(--accent); | |
| color: var(--accent); | |
| } | |
| .input-grid { | |
| display: grid; | |
| grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); | |
| gap: 20px; margin-bottom: 20px; | |
| } | |
| .input-group { display: flex; flex-direction: column; gap: 6px; } | |
| .input-group label { | |
| font-size: .82rem; font-weight: 600; | |
| color: var(--text2); text-transform: uppercase; letter-spacing: .5px; | |
| } | |
| .input-group .hint { | |
| font-size: .75rem; color: var(--text3); | |
| text-transform: none; letter-spacing: 0; font-weight: 400; | |
| } | |
| .input-group input, | |
| .input-group select, | |
| .input-group textarea { | |
| background: var(--surface2); | |
| border: 1px solid var(--border); | |
| border-radius: 8px; | |
| padding: 10px 14px; | |
| color: var(--text); | |
| font-family: var(--font-mono); | |
| font-size: .85rem; | |
| transition: border-color .2s, box-shadow .2s; | |
| resize: vertical; | |
| } | |
| .input-group input:focus, | |
| .input-group select:focus, | |
| .input-group textarea:focus { | |
| outline: none; | |
| border-color: var(--accent); | |
| box-shadow: 0 0 0 2px rgba(0,229,255,.15); | |
| } | |
| .input-group textarea { min-height: 160px; } | |
| .input-group code { | |
| background: rgba(0,229,255,.1); color: var(--accent); | |
| padding: 1px 5px; border-radius: 4px; | |
| font-family: var(--font-mono); font-size: .78rem; | |
| } | |
| .full-width { margin-bottom: 20px; } | |
| .input-row { display: flex; gap: 20px; margin-bottom: 28px; flex-wrap: wrap; } | |
| .input-row .input-group { min-width: 180px; } | |
| .action-row { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; } | |
| select option { background: var(--bg2); } | |
| /* ── Toast ───────────────────────────────── */ | |
| .toast { | |
| margin-top: 20px; | |
| padding: 14px 20px; | |
| border-radius: 8px; | |
| background: rgba(255,107,107,.15); | |
| border: 1px solid rgba(255,107,107,.4); | |
| color: #ff8a80; | |
| font-size: .85rem; | |
| animation: fadeUp .3s ease; | |
| } | |
| .toast.success { | |
| background: rgba(0,230,118,.12); | |
| border-color: rgba(0,230,118,.35); | |
| color: var(--green); | |
| } | |
| .toast.hidden { display: none; } | |
| /* ── Diagram ─────────────────────────────── */ | |
| .diagram-wrap { | |
| background: var(--surface); | |
| border: 1px solid var(--border); | |
| border-radius: var(--radius); | |
| padding: 20px; | |
| min-height: 460px; | |
| position: relative; | |
| overflow: hidden; | |
| } | |
| .diagram-hint { | |
| position: absolute; inset: 0; | |
| display: flex; align-items: center; justify-content: center; | |
| color: var(--text3); font-size: .9rem; | |
| } | |
| #pda-diagram { display: block; } | |
| /* SVG styling */ | |
| .state-circle { | |
| fill: var(--surface2); | |
| stroke: rgba(0,229,255,.4); | |
| stroke-width: 2; | |
| transition: fill .3s, stroke .3s; | |
| cursor: default; | |
| } | |
| .state-circle.active { | |
| fill: rgba(0,229,255,.2); | |
| stroke: var(--accent); | |
| filter: drop-shadow(0 0 8px rgba(0,229,255,.6)); | |
| } | |
| .state-circle.accept { stroke-width: 4; stroke: var(--green); } | |
| .state-label { | |
| fill: var(--text); | |
| font-family: var(--font-mono); | |
| font-size: 13px; | |
| dominant-baseline: central; | |
| text-anchor: middle; | |
| pointer-events: none; | |
| } | |
| .trans-arrow { stroke: rgba(0,229,255,.3); stroke-width: 1.5; fill: none; transition: stroke .3s; } | |
| .trans-arrow.active { stroke: var(--accent2); stroke-width: 2.5; filter: drop-shadow(0 0 4px var(--accent2)); } | |
| .trans-label { | |
| fill: var(--text2); font-size: 10px; | |
| font-family: var(--font-mono); | |
| text-anchor: middle; | |
| } | |
| .trans-label.active { fill: var(--accent2); } | |
| .start-arrow { stroke: var(--accent); stroke-width: 2; fill: none; } | |
| /* ── Simulation ──────────────────────────── */ | |
| .sim-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-bottom: 36px; } | |
| .sim-controls { | |
| display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; | |
| } | |
| .ctrl-btn { | |
| width: 48px; height: 48px; border-radius: 10px; | |
| background: var(--surface2); border: 1px solid var(--border); | |
| color: var(--text); font-size: 1rem; | |
| cursor: pointer; transition: all .2s; | |
| display: flex; align-items: center; justify-content: center; | |
| } | |
| .ctrl-btn:hover { background: rgba(0,229,255,.1); border-color: var(--accent); color: var(--accent); } | |
| .ctrl-btn.play.playing { background: rgba(255,107,107,.1); border-color: var(--accent3); color: var(--accent3); } | |
| .ctrl-btn:disabled { opacity: .35; cursor: not-allowed; } | |
| .speed-row { | |
| display: flex; align-items: center; gap: 10px; | |
| margin-bottom: 20px; font-size: .8rem; color: var(--text2); | |
| } | |
| .speed-row input[type=range] { flex: 1; accent-color: var(--accent); } | |
| .current-panel { padding: 20px; } | |
| .glass-card { | |
| background: var(--surface); | |
| border: 1px solid var(--border); | |
| border-radius: var(--radius); | |
| backdrop-filter: blur(8px); | |
| } | |
| .cur-row { | |
| display: flex; justify-content: space-between; align-items: flex-start; | |
| padding: 10px 0; border-bottom: 1px solid var(--border); | |
| } | |
| .cur-row:last-child { border-bottom: none; } | |
| .cur-label { font-size: .75rem; color: var(--text3); text-transform: uppercase; letter-spacing: .5px; font-weight: 600; } | |
| .cur-val { font-family: var(--font-mono); font-size: .9rem; color: var(--text); text-align: right; max-width: 60%; word-break: break-all; } | |
| .cur-val.small { font-size: .75rem; } | |
| .state-badge { | |
| background: rgba(0,229,255,.12); color: var(--accent); | |
| padding: 2px 10px; border-radius: 4px; | |
| border: 1px solid rgba(0,229,255,.25); | |
| } | |
| /* Tape */ | |
| .tape-section, .stack-section { margin-bottom: 20px; } | |
| .tape-section h4, .stack-section h4 { font-size: .8rem; color: var(--text2); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 10px; } | |
| .tape { | |
| display: flex; flex-wrap: wrap; gap: 4px; | |
| } | |
| .tape-cell { | |
| width: 38px; height: 38px; | |
| border: 1px solid var(--border); | |
| border-radius: 6px; | |
| background: var(--surface2); | |
| font-family: var(--font-mono); font-size: .9rem; | |
| display: flex; align-items: center; justify-content: center; | |
| position: relative; | |
| transition: all .3s; | |
| } | |
| .tape-cell.current { | |
| background: rgba(0,229,255,.15); | |
| border-color: var(--accent); | |
| box-shadow: 0 0 12px rgba(0,229,255,.3); | |
| } | |
| .tape-cell.consumed { opacity: .35; } | |
| .tape-pointer { | |
| position: absolute; bottom: -18px; left: 50%; | |
| transform: translateX(-50%); | |
| color: var(--accent); font-size: .7rem; | |
| } | |
| .stack-visual { | |
| display: flex; gap: 4px; flex-wrap: wrap; | |
| } | |
| .stack-cell { | |
| padding: 6px 14px; | |
| border-radius: 6px; | |
| background: rgba(124,77,255,.15); | |
| border: 1px solid rgba(124,77,255,.35); | |
| color: var(--accent2); | |
| font-family: var(--font-mono); font-size: .9rem; | |
| animation: popIn .25s ease; | |
| transition: all .3s; | |
| } | |
| .stack-cell.top { | |
| background: rgba(0,229,255,.18); | |
| border-color: var(--accent); | |
| color: var(--accent); | |
| box-shadow: 0 0 10px rgba(0,229,255,.3); | |
| } | |
| @keyframes popIn { from { transform: scale(.7); opacity:0; } to { transform: scale(1); opacity:1; } } | |
| /* Timeline */ | |
| .timeline-wrap { } | |
| .timeline-wrap h4 { font-size: .8rem; color: var(--text2); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 12px; } | |
| .timeline { | |
| display: flex; gap: 6px; flex-wrap: wrap; | |
| } | |
| .tl-step { | |
| width: 34px; height: 34px; border-radius: 50%; | |
| background: var(--surface2); border: 1px solid var(--border); | |
| display: flex; align-items: center; justify-content: center; | |
| font-family: var(--font-mono); font-size: .7rem; color: var(--text2); | |
| cursor: pointer; | |
| transition: all .2s; | |
| } | |
| .tl-step:hover { border-color: var(--accent); color: var(--accent); } | |
| .tl-step.active-tl { background: rgba(0,229,255,.18); border-color: var(--accent); color: var(--accent); box-shadow: 0 0 8px rgba(0,229,255,.3); } | |
| .tl-step.dead-tl { background: rgba(255,107,107,.1); border-color: rgba(255,107,107,.3); color: var(--accent3); } | |
| /* ── Result ──────────────────────────────── */ | |
| .result-center { display: flex; align-items: center; justify-content: center; } | |
| .result-card { | |
| max-width: 520px; width: 100%; | |
| padding: 48px 40px; text-align: center; | |
| } | |
| .result-icon { | |
| font-family: var(--font-display); | |
| font-size: 3.5rem; margin-bottom: 16px; | |
| animation: pulse 2s ease infinite; | |
| } | |
| @keyframes pulse { 0%,100%{transform:scale(1)} 50%{transform:scale(1.08)} } | |
| .result-icon.accepted { color: var(--green); text-shadow: 0 0 30px rgba(0,230,118,.5); } | |
| .result-icon.rejected { color: var(--accent3); text-shadow: 0 0 30px rgba(255,107,107,.5); } | |
| #result-title { font-family: var(--font-display); font-size: 1.8rem; margin-bottom: 12px; } | |
| #result-desc { color: var(--text2); margin-bottom: 28px; line-height: 1.6; } | |
| .result-stats { | |
| display: grid; grid-template-columns: 1fr 1fr; | |
| gap: 12px; margin-bottom: 28px; | |
| } | |
| .stat-item { | |
| background: var(--surface2); border: 1px solid var(--border); | |
| border-radius: 8px; padding: 12px; | |
| } | |
| .stat-label { font-size: .72rem; color: var(--text3); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 4px; } | |
| .stat-val { font-family: var(--font-mono); color: var(--text); font-size: .95rem; } | |
| /* ── Scroll hint ─────────────────────────── */ | |
| .scroll-hint { | |
| position: fixed; bottom: 24px; | |
| left: calc(var(--nav-w) + 50% - var(--nav-w)/2); | |
| transform: translateX(-50%); | |
| color: var(--text3); animation: bounce 2s ease infinite; | |
| pointer-events: none; z-index: 50; | |
| } | |
| @keyframes bounce { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(8px)} } | |
| /* ── Animations ──────────────────────────── */ | |
| @keyframes fadeUp { | |
| from { opacity: 0; transform: translateY(20px); } | |
| to { opacity: 1; transform: translateY(0); } | |
| } | |
| /* ── Responsive ──────────────────────────── */ | |
| @media (max-width: 768px) { | |
| :root { --nav-w: 0px; } | |
| .sidenav { display: none; } | |
| .section { padding: 40px 20px; } | |
| .sim-layout { grid-template-columns: 1fr; } | |
| .concepts-grid { grid-template-columns: 1fr; } | |
| } | |