/* =========================================
   1. CORE VARIABLES & RESET
   ========================================= */
:root {
  --bg: #0b0e14;
  --light: #f8fafc;
  --muted: #94a3b8;
  --accent: #38bdf8; 
  --card-bg: rgba(15, 23, 42, 0.96); 
  --font-header: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --border-color: rgba(56, 189, 248, 0.3);
  --glass-border: 1px solid rgba(255, 255, 255, 0.1); 
  --depth-shadow: 0 4px 6px rgba(0, 0, 0, 0.3); 
}

/* BLUEPRINT MODE OVERRIDES */
body.blueprint-mode {
  --bg: #ffffff;
  --light: #1e3a8a;
  --muted: #475569;
  --accent: #0369a1; 
  --card-bg: #ffffff; 
  --border-color: #0369a1; 
  --glass-border: 1px solid #0369a1;
  --font-header: 'Courier Prime', monospace;
  --font-body: 'Courier Prime', monospace;
  --depth-shadow: 4px 4px 0px rgba(3, 105, 161, 0.1); 
  background-image: url('data:image/svg+xml,%3Csvg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"%3E%3Cfilter id="noiseFilter"%3E%3CfeTurbulence type="fractalNoise" baseFrequency="0.65" numOctaves="3" stitchTiles="stitch"/%3E%3C/filter%3E%3Crect width="100%25" height="100%25" filter="url(%23noiseFilter)" opacity="0.05"/%3E%3C/svg%3E');
}

* { margin:0; padding:0; box-sizing:border-box; }

html { 
    scroll-behavior: smooth; 
    overscroll-behavior-y: none; /* STOPS THE BOUNCE/JITTER ON MOBILE */
}

body { 
    font-family: var(--font-body); 
    background: var(--bg); 
    color: var(--light); 
    text-align: center; 
    overflow-x: hidden; 
    transition: background 0.5s, color 0.5s; 
    overscroll-behavior-y: none; /* DOUBLE SAFETY */
}

h1, h2, h3, .logo { font-family: var(--font-header); letter-spacing: -0.02em; }
h1 { font-weight: 300; line-height: 1.1; }
p { font-size: 1.05rem; line-height: 1.6; color: var(--muted); }
body.blueprint-mode p { color: #334155; }

/* =========================================
   2. CANVAS & BACKGROUND
   ========================================= */
#space-canvas { 
    position: fixed; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100dvh; /* Dynamic Viewport Height fixes address bar gaps */
    z-index: -2; 
    transition: opacity 0.5s; 
    transform: translate3d(0,0,0); 
    pointer-events: none;
    image-rendering: -webkit-optimize-contrast;
}

.blueprint-grid { 
    position: fixed; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100dvh; /* Dynamic Viewport Height */
    z-index: -1; 
    pointer-events: none; opacity: 0; transition: opacity 0.5s; 
    background-image: linear-gradient(rgba(3, 105, 161, 0.1) 1px, transparent 1px), 
                      linear-gradient(90deg, rgba(3, 105, 161, 0.1) 1px, transparent 1px); 
    background-size: 40px 40px; 
}
body.blueprint-mode .blueprint-grid { opacity: 1; }

.hero-backdrop { 
    position: absolute; top: 0; left: 0; width: 100%; height: 100%; 
    background: radial-gradient(closest-side, rgba(11, 14, 20, 0.6) 0%, rgba(11, 14, 20, 0) 100%); 
    pointer-events: none; z-index: 1; 
}
body.blueprint-mode .hero-backdrop { display: none; }

/* =========================================
   3. NAVIGATION
   ========================================= */
nav { 
    position:fixed; width:100%; top:0; 
    background: rgba(11, 14, 20, 0.95); z-index:100; 
    border-bottom: var(--glass-border); transition: background 0.5s; 
}
body.blueprint-mode nav { background: rgba(255, 255, 255, 0.95); }

.nav-container { 
    max-width:1200px; margin:0 auto; padding:1rem 2rem; 
    display:flex; align-items:center; justify-content:center; position:relative; 
}
.logo { 
    position: absolute; left: 2rem; z-index: 101; 
    text-decoration: none; color: var(--light); 
    display: flex; align-items: center; justify-content: center; 
}
.logo-inner { position: relative; display: flex; align-items: center; justify-content: center; width: 60px; height: 50px; }
.logo-text { font-family: var(--font-header); font-weight: 700; font-size: 1.5rem; letter-spacing: 1px; z-index: 2; transition: color 0.3s; }
.hud-bracket { position: absolute; height: 100%; width: 15px; top: 0; transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); opacity: 0.7; }
.left-bracket { left: -5px; } .right-bracket { right: -5px; }

.logo:hover .logo-text { color: var(--accent); text-shadow: 0 0 15px var(--accent); }
.logo:hover .left-bracket { transform: translateX(12px) scaleY(0.8); stroke: var(--accent); opacity: 1; }
.logo:hover .right-bracket { transform: translateX(-12px) scaleY(0.8); stroke: var(--accent); opacity: 1; }
.logo::after { content: ''; position: absolute; width: 100%; height: 2px; background: var(--accent); top: 0; left: 0; opacity: 0; pointer-events: none; }
.logo:hover::after { animation: scanLogo 1s linear infinite; opacity: 0.5; }
@keyframes scanLogo { 0% { top: 0%; opacity: 0; } 50% { opacity: 1; } 100% { top: 100%; opacity: 0; } }

.nav-menu { display:flex; gap:1.5rem; list-style:none; }
nav a { text-decoration:none; color:var(--muted); font-weight:500; transition:0.2s; font-size: 0.95rem; }
nav a:hover, nav a.active { color:var(--accent); }

.menu-toggle { display:none; cursor:pointer; }
.bar { display:block; width:25px; height:3px; margin:5px auto; background:var(--light); transition:0.3s; }

@media(max-width:768px) { 
    .menu-toggle { display:block; position:absolute; right:2rem; z-index:101; } 
    .nav-menu { 
        position:fixed; left:-100%; top:0; flex-direction:column; 
        background:var(--bg); width:100%; height:100vh; padding-top:5rem; 
        transition:0.3s; z-index:100; 
    } 
    .nav-menu.active { left:0; } 
    .logo { position:static; } 
    .nav-container { justify-content:space-between; } 
}

/* =========================================
   4. HERO & SECTIONS
   ========================================= */
.hero { height:100vh; display:flex; justify-content:center; align-items:center; position: relative; }
.hero-content { position:relative; z-index:2; max-width:900px; padding:0 1rem; }
.hero h1 { font-size:clamp(3.5rem, 7vw, 6.5rem); margin-bottom:0.8rem; color: var(--light); font-weight: 400; text-shadow: 0 4px 30px rgba(0,0,0,0.5); }
.subtitle { color:var(--accent); font-weight:500; font-size:1.4rem; letter-spacing: 1px; margin-bottom: 2rem; text-shadow: 0 4px 20px rgba(0,0,0,0.5); }

/* --- NEW: BLUEPRINT MODE HERO STYLES --- */
body.blueprint-mode .hero h1 { 
    color: #1e3a8a; 
    text-shadow: none; 
}
body.blueprint-mode .subtitle { 
    text-shadow: none; 
}
body.blueprint-mode .hero-content {
    background: rgba(255, 255, 255, 0.85); /* Semi-transparent white */
    backdrop-filter: blur(8px);            /* Blurs the stars/numbers behind */
    -webkit-backdrop-filter: blur(8px);    /* Safari support */
    padding: 3rem;                         /* Add padding */
    border: 2px solid #1e3a8a;             /* Blueprint blue border */
    border-radius: 8px;                    /* Matching rounded corners */
    box-shadow: 8px 8px 0px rgba(30, 58, 138, 0.1); /* Sharp shadow */
}
body.blueprint-mode .hero-btn {
    background: #fff;
    border-color: #1e3a8a;
    color: #1e3a8a;
}
body.blueprint-mode .hero-btn:hover {
    background: #1e3a8a;
    color: #fff;
}
/* -------------------------------------- */

.section { padding: 5rem 1rem; max-width: 1200px; margin: auto; scroll-margin-top: 60px; }
body { counter-reset: section; }
section h2::before { counter-increment: section; content: "0" counter(section) ". "; color: var(--accent); opacity: 0.6; font-family: var(--font-header); font-weight: 400; font-size: 0.7em; margin-right: 10px; letter-spacing: 2px; }
.section h2 { font-size:2.2rem; margin-bottom:2.5rem; display:inline-block; border-bottom: 2px solid var(--accent); padding-bottom: 0.5rem; color: var(--light); font-weight: 300; }
body.blueprint-mode .section h2 { color: #1e3a8a; }

/* =========================================
   5. CARDS & TIMELINE
   ========================================= */
.content-box, .timeline-item .content, .project-card, .lab-item { 
    background: var(--card-bg); border: var(--glass-border); 
    box-shadow: var(--depth-shadow); transform: translate3d(0, 0, 0); 
}
.content-box { max-width: 800px; margin: 0 auto; padding: 2.5rem; border-radius: 8px; text-align: left; }

.timeline-container { position: relative; max-width: 800px; margin: 0 auto; }
.timeline-container::after { content: ''; position: absolute; width: 2px; background-color: var(--accent); top: 0; bottom: 0; left: 50%; margin-left: -1px; border-radius: 2px; z-index: 0; }
.timeline-item { padding: 10px 40px; width: 50%; position: relative; text-align: left; z-index: 1; }
.left { left: 0; text-align: right; } .right { left: 50%; text-align: left; }
.timeline-item .content { padding:20px; border-radius:4px; transition: transform 0.2s ease, border-color 0.2s; cursor: pointer; position: relative; overflow: hidden; }
.timeline-item .content:hover { transform: translateY(-3px); border-color: var(--accent); background: #111827; }
.timeline-item::after { content: ''; position: absolute; width: 14px; height: 14px; background-color: var(--bg); border: 2px solid var(--accent); top: 25px; z-index: 2; border-radius: 50%; box-shadow: 0 0 10px var(--accent); }
body.blueprint-mode .timeline-item::after { border-radius: 0; transform: rotate(45deg); box-shadow: none; width: 12px; height: 12px; }
.left::after { right: -7px; } .right::after { left: -7px; }
.content h3 { color: var(--accent); margin-bottom: 0.5rem; font-family: var(--font-header); }
.content small { color: var(--muted); font-size: 0.8rem; font-style: italic; }

@media screen and (max-width: 768px) { 
    .timeline-container::after { left: 31px; } 
    .timeline-item { width: 100%; padding-left: 70px; padding-right: 25px; text-align: left; } 
    .left, .right { left: 0; text-align: left; } 
    .left::after, .right::after { left: 24px; right: auto; } 
}

/* =========================================
   6. PROJECT GRID
   ========================================= */
.project-grid { display:flex; flex-wrap:wrap; justify-content:center; gap:2rem; }
.project-card { border-radius:4px; overflow:hidden; transition:0.2s; flex: 0 1 100%; display: flex; flex-direction: column; cursor: pointer; position: relative; }
.project-card:hover { transform: translateY(-3px); border-color: var(--accent); background: #111827; }
@media(min-width:768px) { .top-row { flex:0 1 calc(50% - 2rem); } .bottom-row { flex:0 1 calc(33.3% - 2rem); } }
.experience-grid .project-card { flex: 0 1 calc(50% - 2rem); }
.project-card img { width:100%; height:220px; object-fit:cover; transition: filter 0.3s; }
body.blueprint-mode .project-card img { filter: none; }
.project-summary { padding:1.5rem; text-align:left; flex-grow:1; display:flex; flex-direction:column; }
.project-summary h3 { color: var(--accent); margin-bottom: 0.5rem; font-family: var(--font-header); }

.expand-btn { display:block; width:100%; text-align:center; background: transparent; border:1px solid var(--muted); color: var(--muted); border-radius:4px; padding:0.6rem 0; margin-top:1rem; font-weight:600; font-size:0.85rem; transition:0.3s; pointer-events: none; font-family: var(--font-header); text-transform: uppercase; letter-spacing: 1px; }
.project-card:hover .expand-btn { border-color: var(--accent); color: var(--accent); background: rgba(56, 189, 248, 0.1); }

/* =========================================
   7. SKILLS
   ========================================= */
.skills { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.8rem; max-width: 700px; margin: 0 auto; }
.skills span { padding:0.5rem 1rem; border:1px solid var(--accent); border-radius:4px; display:inline-block; background: rgba(56, 189, 248, 0.05); font-size: 0.9rem; font-weight: 500; backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); transition: all 0.3s ease; }
.skills span:hover { background: rgba(56, 189, 248, 0.2); transform: translateY(-3px); box-shadow: 0 0 15px var(--accent); }

/* =========================================
   8. MODAL (CENTERED)
   ========================================= */
.modal { 
    display: none; 
    justify-content: center;
    align-items: center;
    position: fixed; 
    top: 0; left: 0; 
    width: 100%; height: 100%; 
    background: rgba(0,0,0,0.85); 
    z-index: 200; 
    backdrop-filter: blur(5px); 
}

/* Force flex display when open to activate centering */
.modal.open {
    display: flex !important; 
}

.modal-content { 
    background: var(--bg); 
    margin: 0; 
    padding: 2.5rem; 
    max-width: 850px; 
    width: 90%;
    max-height: 90vh; /* Limits height to viewport */
    overflow-y: auto; /* Internal scrolling if content is long */
    border: 1px solid var(--accent); 
    position: relative; 
    text-align: left; 
    color: var(--light); 
    border-radius: 12px; 
    box-shadow: 0 0 40px rgba(56, 189, 248, 0.15); 
    transform: scale(0.9); opacity: 0; 
}
.modal.open .modal-content { animation: modalLaunch 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards; }
@keyframes modalLaunch { 0% { transform: scale(0.8); opacity: 0; } 100% { transform: scale(1); opacity: 1; } }

.close-modal { position:absolute; top:1rem; right:1.5rem; font-size:2rem; cursor:pointer; color: var(--muted); transition: 0.2s; }
.close-modal:hover { color: var(--accent); }
.modal-actions { margin: 2rem 0; display: flex; gap: 1rem; flex-wrap: wrap; }
.modal-content img { max-width:100%; max-height: 50vh; object-fit: contain; margin-top:1rem; border-radius:8px; display: block; margin-left: auto; margin-right: auto; }
#modal-description h3 { color: var(--accent); font-family: var(--font-header); font-weight: 700; margin-top: 1.5rem; margin-bottom: 0.8rem; letter-spacing: 0.5px; text-transform: uppercase; font-size: 1.1rem; }
#modal-description p { font-family: var(--font-body); font-weight: 300; font-size: 1rem; line-height: 1.7; color: var(--light); opacity: 0.9; }
#modal-description ul { margin-left: 1.2rem; margin-bottom: 1.5rem; list-style-type: none; }
#modal-description li { position: relative; font-weight: 300; margin-bottom: 0.6rem; padding-left: 0.5rem; color: var(--light); }
#modal-description li strong { color: var(--accent); font-weight: 600; }
#modal-description li::before { content: '>'; color: var(--accent); position: absolute; left: -1.2rem; font-family: monospace; font-weight: bold; }
#skills-header { color: var(--accent); margin-top: 2rem; margin-bottom: 0.8rem; font-family: var(--font-header); text-transform: uppercase; font-size: 0.9rem; letter-spacing: 1px; }
#modal-images img { margin-bottom: 1rem; border: 1px solid var(--border-color); }

/* 3D VIEWER */
#modal-3d-container { width: 100%; margin-bottom: 2rem; display: none; position: relative; height: 500px; }
model-viewer { width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.2); border: 1px solid var(--border-color); border-radius: 8px; }
body.blueprint-mode model-viewer { background-color: #f0f0f0; border-color: #000; }
.hotspot { display: block; width: 15px; height: 15px; border-radius: 50%; background: var(--accent); border: 2px solid #fff; box-shadow: 0 0 10px var(--accent); cursor: pointer; position: relative; }
.hotspot-annotation { display: none; background: rgba(0,0,0,0.8); border: 1px solid var(--accent); color: #fff; padding: 5px 10px; border-radius: 4px; position: absolute; top: 20px; left: 50%; transform: translateX(-50%); font-size: 0.8rem; white-space: nowrap; }
.hotspot:hover .hotspot-annotation { display: block; }

/* RADAR CHART */
#modal-chart-container { 
    max-width: 600px; margin: 2rem auto; position: relative; height: 350px; 
    background: rgba(15, 23, 42, 0.4); border-radius: 12px; padding: 10px;
}
body.blueprint-mode #modal-chart-container { background: rgba(0, 0, 0, 0.05); }
body.blueprint-mode #modal-chart-container canvas { filter: invert(1) hue-rotate(180deg); }

/* CODE VAULT */
#modal-code-container { margin: 1.5rem 0; background: #1e1e1e; border: 1px solid var(--border-color); border-radius: 6px; padding: 1rem; overflow-x: auto; }
#modal-code-container h4 { color: var(--accent); margin-bottom: 0.5rem; font-family: 'Courier Prime', monospace; font-size: 0.9rem; }
.code-block { font-family: 'Courier Prime', monospace; font-size: 0.85rem; color: #d4d4d4; white-space: pre-wrap; margin: 0; }
body.blueprint-mode #modal-code-container { background: #f5f5f5; border-color: #ccc; }
body.blueprint-mode .code-block { color: #333; }

/* VIDEO */
#modal-video-container { margin-top: 1.5rem; width: 100%; }
.video-label { color: var(--accent); font-family: var(--font-header); text-transform: uppercase; font-size: 0.9rem; letter-spacing: 1px; margin-bottom: 0.8rem; text-align: left; }
body.blueprint-mode .video-label { color: #1e3a8a; }
body.blueprint-mode #modal-video-container video { border-color: #000 !important; background: #fff; }

/* TABLE & EQUATIONS */
.spec-table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: 0.9rem; font-family: 'Courier Prime', monospace; border: 1px solid var(--border-color); }
.spec-table th, .spec-table td { padding: 0.8rem; border-bottom: 1px solid rgba(56, 189, 248, 0.1); text-align: left; }
.spec-table th { background: rgba(56, 189, 248, 0.1); color: var(--accent); text-transform: uppercase; letter-spacing: 1px; }
.spec-table tr:last-child td { border-bottom: none; }
body.blueprint-mode .spec-table th { background: rgba(0,0,0,0.1); color: #000; }
body.blueprint-mode .spec-table td { color: #333; border-bottom-color: rgba(0,0,0,0.1); }
details.equation-toggle { margin: 1.5rem 0; background: rgba(0,0,0,0.2); border-left: 2px solid var(--accent); border-radius: 0 4px 4px 0; overflow: hidden; }
details.equation-toggle summary { padding: 0.8rem; cursor: pointer; font-family: var(--font-header); color: var(--accent); font-weight: 500; list-style: none; position: relative; }
details.equation-toggle summary::after { content: '+'; position: absolute; right: 1rem; font-weight: bold; }
details.equation-toggle[open] summary::after { content: '-'; }
.equation-content { padding: 1rem; background: rgba(0,0,0,0.1); font-family: 'Courier Prime', monospace; font-size: 0.85rem; color: var(--muted); }
body.blueprint-mode details.equation-toggle { background: rgba(0,0,0,0.05); border-color: #1e3a8a; }
body.blueprint-mode summary { color: #1e3a8a; }
body.blueprint-mode .equation-content { color: #333; }

/* =========================================
   9. FORMS & ROCKET ANIMATION
   ========================================= */
.contact-form { max-width:600px; margin:auto; display:flex; flex-direction:column; gap:1rem; }
.form-group { display:flex; gap:1rem; }
input, textarea { background:rgba(255,255,255,0.05); border:1px solid var(--border-color); padding:1rem; color:var(--light); width:100%; font-family: inherit; border-radius: 4px; }
input:focus, textarea:focus { border-color: var(--accent); outline: none; background: rgba(96, 165, 250, 0.05); }
body.blueprint-mode input, body.blueprint-mode textarea { background: #fff; }

/* Rocket Emoji Animation Container */
.rocket-emoji {
    position: absolute;
    font-size: 2.5rem;
    z-index: 1000;
    pointer-events: none;
    /* Emoji is inherently angled */
    filter: drop-shadow(0 0 10px rgba(255, 100, 0, 0.5));
}
/* Fire/Smoke Particles */
.exhaust-particle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    z-index: 999;
    mix-blend-mode: screen;
    filter: blur(1px); /* Soft smoke effect */
}

/* =========================================
   10. FOOTER & MISC
   ========================================= */
.btn { display:inline-block; padding:0.8rem 2rem; border-radius:6px; background:rgba(56, 189, 248, 0.1); border:1px solid var(--accent); color:var(--accent); font-weight:600; text-decoration:none; transition: all 0.3s ease; margin-top:1.5rem; cursor:pointer; backdrop-filter: blur(5px); font-family: var(--font-header); letter-spacing: 0.5px; }
.btn:hover { background:var(--accent); color: var(--bg); transform: translateY(-5px); box-shadow: 0 0 25px var(--accent); }

#loading-screen { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: var(--bg); z-index: 9999; display: flex; flex-direction: column; justify-content: center; align-items: center; transition: opacity 0.8s; font-family: var(--font-header); font-weight: 500; }
.loader { border: 3px solid rgba(56, 189, 248, 0.2); border-top: 3px solid var(--accent); border-radius: 50%; width: 50px; height: 50px; animation: spin 1s linear infinite; margin-bottom: 1rem; }
@keyframes spin { 100% { transform: rotate(360deg); } }

footer { text-align:center; padding:3rem 1rem; color:var(--muted); font-size: 0.9rem; border-top: 1px solid var(--border-color); }
.footer-links { display: flex; justify-content: center; gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.footer-btn { padding: 0.5rem 1.5rem; border: 1px solid var(--border-color); border-radius: 4px; color: var(--accent); text-decoration: none; transition: all 0.3s; display: inline-flex; align-items: center; gap: 8px; background: rgba(30, 41, 59, 0.3); backdrop-filter: blur(5px); font-family: var(--font-header); font-size: 0.9rem; position: relative; }
.footer-btn:hover { background: rgba(56, 189, 248, 0.2); color: #fff; border-color: var(--accent); transform: translateY(-2px); }

.system-status-bar { display: flex; justify-content: center; gap: 2rem; font-family: monospace; font-size: 0.85rem; margin-bottom: 1rem; flex-wrap: wrap; }
.status-item { display: flex; align-items: center; gap: 0.5rem; }
.highlight { color: var(--accent); }
.status-indicator { width: 8px; height: 8px; background-color: #22c55e; border-radius: 50%; display: inline-block; }
.blinking { animation: blinker 1.5s cubic-bezier(0.5, 0, 1, 1) infinite alternate; }
@keyframes blinker { from { opacity: 1; } to { opacity: 0.3; } }
.copyright { opacity: 0.6; font-size: 0.8rem; }
.tech-stack { color: var(--muted); font-size: 0.8rem; margin-bottom: 1rem; opacity: 0.6; }

.tooltip-container { position: relative; }
.tooltip-preview { position: absolute; bottom: 120%; left: 50%; transform: translateX(-50%); width: 180px; height: 100px; background-color: var(--card-bg); border: 1px solid var(--accent); border-radius: 4px; padding: 0.5rem; font-size: 0.7rem; color: var(--muted); opacity: 0; visibility: hidden; transition: all 0.3s ease; pointer-events: none; z-index: 10; display: flex; align-items: center; justify-content: center; text-align: center; background-size: cover; background-position: center; }
.tooltip-container:hover .tooltip-preview { opacity: 1; visibility: visible; bottom: 130%; }

.fade-in { opacity:0; transform:translateY(20px) translate3d(0,0,0); transition: opacity 0.6s ease-out, transform 0.6s ease-out; }
.fade-in.visible { opacity:1; transform:translateY(0); }

.rocket-btn { position:fixed; width:50px; height:50px; border-radius:50%; display:flex; align-items:center; justify-content:center; cursor:pointer; z-index:99; transition: all 0.3s; border: 1px solid var(--border-color); color: var(--accent); bottom:2rem; right:2rem; background: rgba(11, 14, 20, 0.9); opacity:0; pointer-events:none; }
.rocket-btn:hover { border-color: var(--accent); color: #fff; transform: translateY(-3px); }
.rocket-btn.show { opacity:1; pointer-events:all; }
.rocket-btn.liftoff { animation: launchRocket 1s ease-in forwards; pointer-events: none; }
@keyframes launchRocket { 0% { transform: translateY(0) scale(1); } 20% { transform: translateY(10px) scale(0.9); } 100% { transform: translateY(-120vh) scale(1.2); opacity: 0; } }
.ctrl-label { position: absolute; background: rgba(11, 14, 20, 0.95); border: 1px solid var(--accent); color: var(--accent); padding: 4px 10px; border-radius: 4px; font-size: 0.75rem; opacity: 0; transition: 0.3s; pointer-events: none; white-space: nowrap; font-family: var(--font-header); top: 50%; transform: translateY(-50%); letter-spacing: 1px; }
.left-side { right: 65px; } .right-side { left: 65px; }
.rocket-btn:hover .ctrl-label { opacity: 1; }

.blueprint-btn { position:fixed; width:50px; height:50px; border-radius:50%; display:flex; align-items:center; justify-content:center; cursor:pointer; z-index:99; transition: all 0.3s; border: 1px solid var(--border-color); color: var(--accent); bottom: 2rem; left: 2rem; background: rgba(11, 14, 20, 0.9); opacity: 0.8; }
.blueprint-btn:hover { opacity: 1; border-color: var(--accent); color: #fff; }
.blueprint-btn:hover .ctrl-label { opacity: 1; }

.icon-cosmos { display: none; }
body.blueprint-mode .icon-drafting { display: none; }
body.blueprint-mode .icon-cosmos { display: block; }