:root{--bg-dark: #09111e;--bg-gradient: radial-gradient(circle at 50% 0%, #102038 0%, #09111e 80%);--glass-bg: rgba(14, 25, 45, .75);--glass-bg-hover: rgba(20, 36, 64, .85);--glass-border: rgba(234, 195, 76, .22);--glass-border-bright: rgba(234, 195, 76, .55);--accent-gold: #eac34c;--accent-gold-glow: 0 0 20px rgba(234, 195, 76, .3);--accent-green: #10b981;--accent-cyan: #0284c7;--btn-gradient: linear-gradient(135deg, #eac34c 0%, #d4af37 100%);--btn-gradient-green: linear-gradient(135deg, #10b981 0%, #059669 100%);--text-main: #f8fafc;--text-muted: #94a3b8;--text-dim: #64748b;--card-radius: 20px;--pill-radius: 9999px;--sidebar-width: 260px;--bottom-bar-height: 72px;--font-heading: "Outfit", -apple-system, sans-serif;--font-body: "Inter", -apple-system, sans-serif}[data-theme=blue-gold]{--bg-dark: #09111e;--bg-gradient: radial-gradient(circle at 50% 0%, #102038 0%, #09111e 80%);--glass-bg: rgba(14, 25, 45, .75);--glass-bg-hover: rgba(20, 36, 64, .85);--glass-border: rgba(234, 195, 76, .22);--glass-border-bright: rgba(234, 195, 76, .55);--accent-gold: #eac34c;--accent-gold-glow: 0 0 20px rgba(234, 195, 76, .3);--accent-green: #10b981;--accent-cyan: #0284c7;--btn-gradient: linear-gradient(135deg, #eac34c 0%, #ca8a04 100%);--text-main: #f8fafc;--text-muted: #94a3b8}[data-theme=avocado]{--bg-dark: #09120a;--bg-gradient: radial-gradient(circle at 50% 0%, #162919 0%, #09120a 80%);--glass-bg: rgba(18, 33, 21, .7);--glass-bg-hover: rgba(26, 48, 30, .85);--glass-border: rgba(164, 224, 68, .22);--glass-border-bright: rgba(164, 224, 68, .55);--accent-gold: #a4e044;--accent-gold-glow: 0 0 20px rgba(164, 224, 68, .3);--accent-green: #78c850;--accent-cyan: #4ade80;--btn-gradient: linear-gradient(135deg, #a4e044 0%, #66a826 100%);--text-main: #f3f9f2;--text-muted: #a1b89e}[data-theme=honeybee]{--bg-dark: #1f1606;--bg-gradient: radial-gradient(circle at 50% 0%, #3a270a 0%, #1f1606 80%);--glass-bg: rgba(43, 31, 10, .7);--glass-bg-hover: rgba(66, 48, 16, .85);--glass-border: rgba(255, 183, 3, .22);--glass-border-bright: rgba(255, 183, 3, .6);--accent-gold: #ffb703;--accent-gold-glow: 0 0 20px rgba(255, 183, 3, .3);--accent-green: #fb8500;--accent-cyan: #ffb703;--btn-gradient: linear-gradient(135deg, #ffb703 0%, #fb8500 100%);--text-main: #fff8e7;--text-muted: #d4c4a8}[data-theme=futuristic]{--bg-dark: #050510;--bg-gradient: radial-gradient(circle at 50% 0%, #1a0b2e 0%, #050510 80%);--glass-bg: rgba(16, 11, 35, .75);--glass-bg-hover: rgba(26, 18, 55, .85);--glass-border: rgba(0, 240, 255, .22);--glass-border-bright: rgba(0, 240, 255, .6);--accent-gold: #00f0ff;--accent-gold-glow: 0 0 20px rgba(0, 240, 255, .4);--accent-green: #bf00ff;--accent-cyan: #00f0ff;--btn-gradient: linear-gradient(135deg, #00f0ff 0%, #bf00ff 100%);--text-main: #e2fcfc;--text-muted: #8ca5c4}[data-theme=estuary]{--bg-dark: #011116;--bg-gradient: radial-gradient(circle at 50% 0%, #03322d 0%, #011116 80%);--glass-bg: rgba(4, 30, 28, .75);--glass-bg-hover: rgba(6, 45, 42, .85);--glass-border: rgba(100, 255, 218, .22);--glass-border-bright: rgba(100, 255, 218, .6);--accent-gold: #64ffda;--accent-gold-glow: 0 0 20px rgba(100, 255, 218, .3);--accent-green: #38bdf8;--accent-cyan: #38bdf8;--btn-gradient: linear-gradient(135deg, #64ffda 0%, #10b981 100%);--text-main: #eafcf9;--text-muted: #88c0b9}[data-theme=classic]{--bg-dark: #f0f4f8;--bg-gradient: radial-gradient(circle at 50% 0%, #ffffff 0%, #f0f4f8 80%);--glass-bg: rgba(255, 255, 255, .85);--glass-bg-hover: rgba(255, 255, 255, 1);--glass-border: rgba(15, 23, 42, .1);--glass-border-bright: rgba(15, 23, 42, .3);--accent-gold: #1d4ed8;--accent-gold-glow: 0 0 20px rgba(29, 78, 216, .15);--accent-green: #0f172a;--accent-cyan: #2563eb;--btn-gradient: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);--text-main: #0f172a;--text-muted: #475569}[data-theme=classic] .cyber-input,[data-theme=classic] .modal-card,[data-theme=classic] .sidebar-item{color:#0f172a}[data-theme=classic] .cyber-input{background:#fffc;border:1px solid rgba(15,23,42,.2)}[data-theme=classic] .cyber-input:focus{background:#fff}[data-theme=classic] .cyber-btn-glass{color:#1d4ed8;border-color:#1d4ed84d}[data-theme=classic] .section-title,[data-theme=classic] .student-name{color:#0f172a}[data-theme=dark]{--bg-dark: #000000;--bg-gradient: none;--glass-bg: #111111;--glass-bg-hover: #1a1a1a;--glass-border: #333333;--glass-border-bright: #666666;--accent-gold: #ffffff;--accent-gold-glow: 0 0 15px rgba(255, 255, 255, .2);--accent-green: #aaaaaa;--accent-cyan: #dddddd;--btn-gradient: linear-gradient(135deg, #333333 0%, #111111 100%);--text-main: #ffffff;--text-muted: #888888}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body{background-color:var(--bg-dark);background-image:var(--bg-gradient);background-attachment:fixed;color:var(--text-main);font-family:var(--font-body);min-height:100vh;overflow-x:hidden;transition:background-color .4s ease,color .4s 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table{width:100%;min-width:600px}.logo-overlay-container{position:relative;display:inline-block}.theme-particles{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:10}.theme-particle{position:absolute;font-size:1.2rem;display:flex;align-items:center;justify-content:center}[data-theme=honeybee] .particle-bee{animation:orbit-bee 6s linear infinite;transform-origin:center center}[data-theme=honeybee] .particle-bee:nth-child(2){animation-delay:-2s;font-size:.9rem;animation-duration:4s;animation-direction:reverse}[data-theme=honeybee] .particle-bee:nth-child(3){animation-delay:-4s;font-size:1rem;animation-duration:5s}@keyframes orbit-bee{0%{transform:rotate(0) translate(35px) rotate(0)}to{transform:rotate(360deg) translate(35px) rotate(-360deg)}}[data-theme=avocado] .particle-avocado{bottom:-5px;animation:bounce-avocado 2s infinite ease-in-out}[data-theme=avocado] .particle-avocado:nth-child(1){left:-10px;animation-delay:0s}[data-theme=avocado] .particle-avocado:nth-child(2){right:-10px;animation-delay:1s;font-size:.9rem}@keyframes bounce-avocado{0%,to{transform:translateY(0) rotate(0)}50%{transform:translateY(-15px) rotate(15deg)}}[data-theme=futuristic] .particle-robot{animation:hover-robot 4s infinite ease-in-out;left:50%;margin-left:-10px;top:-15px}[data-theme=futuristic] .particle-drone{font-size:.8rem;animation:scan-drone 5s infinite cubic-bezier(.4,0,.2,1)}@keyframes hover-robot{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes scan-drone{0%{left:-20px;top:10%;transform:scaleX(1)}45%{left:100%;top:30%;transform:scaleX(1)}50%{left:100%;top:30%;transform:scaleX(-1)}95%{left:-20px;top:70%;transform:scaleX(-1)}to{left:-20px;top:10%;transform:scaleX(1)}}[data-theme=estuary] .particle-firefly{font-size:.6rem;color:#a4e044;text-shadow:0 0 10px #a4e044;animation:firefly-glow 3s infinite alternate}[data-theme=estuary] .particle-leaf{font-size:.8rem;animation:fall-leaf 6s infinite linear}[data-theme=estuary] .particle-firefly:nth-child(1){top:10%;left:-10%;animation-duration:2s}[data-theme=estuary] .particle-firefly:nth-child(2){bottom:10%;right:-10%;animation-duration:3.5s;animation-delay:1s}[data-theme=estuary] .particle-leaf:nth-child(3){top:-20px;left:20%}[data-theme=estuary] .particle-leaf:nth-child(4){top:-20px;right:20%;animation-delay:3s;animation-duration:8s}@keyframes firefly-glow{0%{opacity:.2;transform:scale(.8) translate(0)}to{opacity:1;transform:scale(1.2) translate(10px,-15px)}}@keyframes fall-leaf{0%{transform:translateY(-10px) rotate(0) translate(0);opacity:0}10%{opacity:1}90%{opacity:1}to{transform:translateY(60px) rotate(360deg) translate(20px);opacity:0}}