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1.45rem);--font-size-2xl: clamp(1.35rem, 1.2rem + .75vw, 1.75rem);--font-size-3xl: clamp(1.65rem, 1.4rem + 1vw, 2.25rem);--font-size-4xl: clamp(2rem, 1.6rem + 1.5vw, 2.75rem);--container-max-width: 1360px;--aspect-video: 16 / 9;--aspect-square: 1 / 1;--aspect-card: 4 / 3;--font-weight-light: 300;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 650;--font-weight-extrabold: 650;--line-height-tight: 1.2;--line-height-normal: 1.5;--line-height-relaxed: 1.65;--tracking-display: -.02em;--tracking-body: -.011em;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--transition-fast: .15s ease-out;--transition-base: .15s ease-out;--transition-slow: .2s ease-out;--sidebar-width: 260px;--topbar-height: 56px;--color-primary: var(--color-accent);--color-accent-green: var(--color-success);--color-accent-purple: var(--color-text-secondary);--color-accent-teal: var(--color-accent);--color-accent-teal-glow: var(--color-accent-subtle);--color-accent-blue: var(--color-accent);--color-accent-blue-light: var(--color-accent);--color-accent-blue-glow: var(--color-accent-subtle);--color-accent-emerald: var(--color-success);--color-accent-emerald-glow: var(--color-success-subtle);--color-accent-amber: var(--color-warning);--color-accent-amber-glow: var(--color-warning-subtle);--color-accent-yellow: var(--color-warning);--color-accent-rose: var(--color-danger);--color-accent-rose-glow: var(--color-danger-subtle);--color-accent-red: var(--color-danger);--color-accent-violet: var(--color-text-secondary);--color-accent-violet-glow: var(--color-bg-tertiary);--shadow-glow-blue: none;--shadow-glow-emerald: none;--glass-bg: var(--color-bg-elevated);--glass-border: var(--color-border);--glass-blur: 0px}[data-theme=dark]{--color-bg-primary: #1C1C1E;--color-bg-secondary: #232326;--color-bg-tertiary: #2C2C2F;--color-bg-elevated: #242427;--color-bg-card: #242427;--color-bg-hover: rgba(255, 255, 255, .06);--color-accent: #4C8DFF;--on-accent: #10192B;--color-accent-hover: #6BA1FF;--color-accent-subtle: rgba(76, 141, 255, .14);--color-success: #4CAF77;--color-success-subtle: rgba(76, 175, 119, .14);--color-warning: #D2A24C;--color-warning-subtle: rgba(210, 162, 76, .14);--color-danger: #E5675F;--color-danger-subtle: rgba(229, 103, 95, .14);--color-text-primary: #F2F2F4;--color-text-secondary: #ABABB0;--color-text-muted: #7C7C82;--color-text-inverse: #1D1D1F;--color-border: rgba(255, 255, 255, .1);--color-border-hover: rgba(255, 255, 255, .24);--shadow-overlay: 0 8px 30px rgba(0, 0, 0, .5);--ring-accent: 0 0 0 3px rgba(76, 141, 255, .25);color-scheme:dark;--topbar-bg: rgba(28, 28, 30, .92)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family);font-size:var(--font-size-base);line-height:var(--line-height-normal);letter-spacing:var(--tracking-body);color:var(--color-text-primary);background:var(--color-bg-primary);min-height:100vh}h1,h2,h3{letter-spacing:var(--tracking-display)}a{color:var(--color-accent);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-accent-hover);text-decoration:underline}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#1d1d1f26;border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:#1d1d1f4d}.glass-card{background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-lg);transition:border-color var(--transition-fast)}.glass-card:hover{border-color:var(--color-border-hover)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-3) var(--space-5);font-family:var(--font-family);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);letter-spacing:var(--tracking-body);line-height:1;border:1px solid transparent;border-radius:var(--radius-md);cursor:pointer;transition:background-color var(--transition-fast),border-color var(--transition-fast),color 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