.sidebar{position:fixed;top:0;left:0;width:var(--sidebar-width);height:100vh;background:var(--bg-sidebar);border-right:1px solid var(--border-subtle);z-index:100;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.sidebar-inner{display:flex;flex-direction:column;align-items:center;height:100%;padding:20px 0}.sidebar-logo{width:36px;height:36px;border-radius:var(--radius-sm);background:var(--accent-primary);display:flex;align-items:center;justify-content:center;margin-bottom:36px;transition:all var(--transition-fast);flex-shrink:0}.sidebar-logo:hover{background:var(--accent-secondary);transform:scale(1.05)}.logo-text{font-weight:700;font-size:1rem;color:#fff}.sidebar-nav{list-style:none;display:flex;flex-direction:column;align-items:center;gap:6px;flex:1;justify-content:center}.nav-item{position:relative}.nav-link{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--radius-sm);color:var(--text-dim);transition:all 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var(--transition-fast)}.upload-fab:hover{background:var(--accent-secondary);box-shadow:0 8px 28px #3b82f659}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000a6;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;z-index:200;padding:20px}.modal-content{width:100%;max-width:500px;max-height:90vh;overflow-y:auto;padding:28px}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.modal-header h3{font-size:1.1rem;font-weight:600}.modal-close{width:34px;height:34px;border-radius:50%;background:transparent;color:var(--text-muted);font-size:1.1rem;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast)}.modal-close:hover{background:#ffffff0f;color:var(--text-primary)}.modal-form{display:flex;flex-direction:column;gap:14px}.form-group{display:flex;flex-direction:column;gap:5px}.form-group 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var(--border-subtle);border-radius:var(--radius-lg)}@media(max-width:768px){.category-page-header{flex-direction:column;gap:10px}}@media(max-width:480px){.category-page-header{margin-bottom:28px}}.about-page-content{display:flex;flex-direction:column;gap:14px}.about-card{padding:24px 28px}.about-row{display:flex;gap:40px;align-items:flex-start}.about-label{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--text-muted);min-width:80px;padding-top:3px;flex-shrink:0}.about-value{color:var(--text-secondary);font-size:.9rem;line-height:1.8;flex:1}.about-value strong{color:var(--text-primary);font-weight:600}@media(max-width:768px){.about-row{flex-direction:column;gap:10px}.about-card{padding:20px}}@media(max-width:480px){.about-card{padding:16px}}:root{--bg-primary: #0a0a0a;--bg-secondary: #111111;--bg-card: rgba(18, 18, 18, .85);--bg-card-hover: rgba(28, 28, 28, .95);--bg-glass: rgba(255, 255, 255, .03);--bg-sidebar: rgba(10, 10, 10, .95);--accent-primary: #0A66C2;--accent-secondary: #3b82f6;--accent-tertiary: #60a5fa;--accent-glow: rgba(10, 102, 194, .35);--accent-warm: #f59e0b;--accent-emerald: #34d399;--text-primary: #ededed;--text-secondary: #888888;--text-muted: #555555;--text-dim: #333333;--border-subtle: rgba(255, 255, 255, .07);--border-glow: rgba(59, 130, 246, .25);--sidebar-width: 64px;--transition-fast: .18s cubic-bezier(.4, 0, .2, 1);--transition-smooth: .35s cubic-bezier(.4, 0, .2, 1);--transition-spring: .5s cubic-bezier(.34, 1.56, .64, 1);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--font-primary: "Space Grotesk", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "JetBrains Mono", "SF Mono", monospace}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-primary);background:var(--bg-primary);color:var(--text-primary);line-height:1.7;overflow-x:hidden;min-height:100vh}::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#222;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#333}::selection{background:var(--accent-primary);color:#fff}a{color:inherit;text-decoration:none}button{font-family:var(--font-primary);cursor:pointer;border:none;outline:none}img{max-width:100%;display:block}.app-layout{display:flex;min-height:100vh}.main-content{flex:1;margin-left:var(--sidebar-width);min-height:100vh;position:relative}.bg-gradient{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:0;background:radial-gradient(ellipse 80% 60% at 50% -20%,rgba(10,102,194,.08),transparent),radial-gradient(ellipse 60% 50% at 80% 80%,rgba(59,130,246,.04),transparent)}.section{max-width:760px;margin:0 auto;padding:80px 40px;position:relative;z-index:1}.section-label{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.15em;text-transform:uppercase;color:var(--text-muted);margin-bottom:24px}.section-row{display:flex;gap:80px;align-items:flex-start}.section-row .section-label{min-width:70px;padding-top:4px}.section-row .section-body{flex:1}.page-header{max-width:760px;margin:0 auto;padding:60px 40px 0;position:relative;z-index:1}.page-title{font-size:2rem;font-weight:700;letter-spacing:-.02em;margin-bottom:8px}.page-subtitle{font-size:.9rem;color:var(--text-muted);line-height:1.7;max-width:520px}.glass-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:24px;transition:all var(--transition-smooth)}.glass-card:hover{background:var(--bg-card-hover);border-color:var(--border-glow);transform:translateY(-2px);box-shadow:0 8px 32px #0000004d}.tag{display:inline-block;font-family:var(--font-mono);font-size:.7rem;padding:4px 12px;border-radius:20px;border:1px solid var(--border-subtle);color:var(--text-secondary);background:var(--bg-glass);transition:all var(--transition-fast)}.tag:hover{border-color:var(--accent-secondary);color:var(--accent-tertiary)}.page-transition{min-height:100vh}@media(max-width:1024px){.section{padding:60px 32px}.page-header{padding:48px 32px 0}.section-row{gap:48px}}@media(max-width:768px){.main-content{margin-left:0;padding-bottom:72px}.section{padding:40px 20px}.page-header{padding:32px 20px 0}.section-row{flex-direction:column;gap:16px}:root{--sidebar-width: 0px}}@media(max-width:480px){.section{padding:32px 16px}.page-header{padding:24px 16px 0}.page-title{font-size:1.6rem}}