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10px 15px -3px rgba(0, 0, 0, .08), 0 4px 6px -2px rgba(0, 0, 0, .04);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .08), 0 10px 10px -5px rgba(0, 0, 0, .04);--shadow-header: 0 1px 3px 0 rgba(0, 0, 0, .06);--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--spacing-3xl: 4rem;--spacing-4xl: 6rem;--font-family-base: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-family-display: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-family-mono: "Menlo", "Monaco", "Courier New", monospace;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--font-size-4xl: 2.25rem;--font-size-5xl: 3rem;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--font-weight-extrabold: 800;--line-height-tight: 1.25;--line-height-normal: 1.5;--line-height-relaxed: 1.75;--letter-spacing-tight: -.025em;--letter-spacing-normal: 0;--letter-spacing-wide: .025em;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-2xl: 24px;--radius-full: 9999px;--transition-fast: .15s ease-in-out;--transition-base: .2s ease-in-out;--transition-slow: .3s ease-in-out;--z-index-dropdown: 1000;--z-index-sticky: 1020;--z-index-modal: 1050}[data-theme=dark]{--color-primary: var(--blue-400);--color-primary-dark: var(--blue-300);--color-primary-light: var(--blue-500);--color-primary-lighter: rgba(66, 153, 225, .15);--color-bg-primary: var(--slate-900);--color-bg-secondary: #0a0f1a;--color-bg-tertiary: var(--slate-800);--color-bg-elevated: #1a1f2e;--color-bg-header: var(--slate-900);--color-header-border: var(--slate-800);--color-header-accent: linear-gradient(90deg, #3b82f6 0%, #8b5cf6 100%);--color-text-primary: var(--slate-50);--color-text-secondary: var(--slate-300);--color-text-tertiary: var(--slate-500);--color-text-inverse: var(--slate-900);--color-border-light: var(--slate-800);--color-border-medium: var(--slate-700);--color-border-dark: var(--slate-600);--shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, .4);--shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, .5);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .5), 0 2px 4px -1px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .5), 0 4px 6px -2px rgba(0, 0, 0, .3);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .6), 0 10px 10px -5px rgba(0, 0, 0, .4);--shadow-header: 0 1px 3px 0 rgba(0, 0, 0, .8)}*{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-base);font-size:var(--font-size-base);line-height:var(--line-height-normal);color:var(--color-text-primary);background-color:var(--color-bg-secondary);transition:background-color .3s ease,color .3s ease}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-md)}.container-sm{max-width:800px;margin:0 auto;padding:0 var(--spacing-md)}.container-lg{max-width:1400px;margin:0 auto;padding:0 var(--spacing-md)}.card{background:var(--color-bg-primary);border:1px solid var(--color-border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:var(--spacing-lg);transition:all var(--transition-base)}.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.card-header{border-bottom:1px solid var(--color-border-light);padding-bottom:var(--spacing-md);margin-bottom:var(--spacing-lg);font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--color-text-primary)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border:1px solid transparent;border-radius:var(--radius-lg);font-size:var(--font-size-base);font-weight:var(--font-weight-medium);cursor:pointer;transition:all var(--transition-base);text-decoration:none;gap:var(--spacing-sm);position:relative;overflow:hidden}.btn:active{transform:scale(.98)}.btn-primary{background-color:var(--color-primary);color:#fff;box-shadow:0 4px 6px -1px #4299e14d}.btn-primary:hover:not(:disabled){background-color:var(--color-primary-dark);transform:translateY(-1px);box-shadow:0 10px 15px -3px #4299e166,0 4px 6px -2px #4299e133}.btn-secondary{background-color:var(--color-bg-tertiary);color:var(--color-text-primary);border:1px solid var(--color-border-light)}.btn-secondary:hover:not(:disabled){background-color:var(--color-bg-secondary);border-color:var(--color-border-medium);transform:translateY(-1px)}.btn-glass{background:#ffffff1a;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.2);color:var(--color-text-primary)}.btn-glass:hover:not(:disabled){background:#fff3;transform:translateY(-1px)}.btn-success{background-color:var(--color-success);color:#fff}.btn-success:hover:not(:disabled){filter:brightness(110%);transform:translateY(-1px);box-shadow:0 4px 12px #10b9814d}.btn-danger{background-color:var(--color-error);color:#fff}.btn-danger:hover:not(:disabled){background-color:#dc2626;transform:translateY(-1px);box-shadow:0 4px 12px #ef44444d}.btn-outline{background-color:transparent;border:2px solid var(--color-primary);color:var(--color-primary)}.btn-outline:hover:not(:disabled){background-color:var(--color-primary-lighter);transform:translateY(-1px)}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}.btn-sm{padding:.5rem 1rem;font-size:var(--font-size-sm);border-radius:var(--radius-md)}.btn-lg{padding:1rem 2rem;font-size:var(--font-size-lg)}.form-group{margin-bottom:var(--spacing-lg)}.form-label{display:block;margin-bottom:var(--spacing-sm);color:var(--color-text-secondary);font-weight:var(--font-weight-medium);font-size:var(--font-size-sm)}.form-input,.form-select,.form-textarea{width:100%;padding:.75rem;border:1px solid var(--color-border-medium);border-radius:var(--radius-md);font-size:var(--font-size-base);font-family:var(--font-family-base);transition:border-color var(--transition-base);background-color:var(--color-bg-primary)}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #667eea1a}.badge{display:inline-flex;align-items:center;padding:.25rem .75rem;border-radius:var(--radius-full);font-size:var(--font-size-xs);font-weight:var(--font-weight-semibold);text-transform:uppercase}.badge-primary{background-color:var(--color-primary-lighter);color:var(--color-primary-dark)}.badge-success{background-color:var(--color-success-light);color:var(--color-success-dark)}.badge-warning{background-color:var(--color-warning-light);color:var(--color-warning-dark)}.badge-error{background-color:var(--color-error-light);color:var(--color-error-dark)}.alert{padding:var(--spacing-md);border-radius:var(--radius-lg);margin-bottom:var(--spacing-lg);border-left:4px solid}.alert-success{background-color:var(--color-success-light);border-color:var(--color-success);color:var(--color-success-dark)}.alert-warning{background-color:var(--color-warning-light);border-color:var(--color-warning);color:var(--color-warning-dark)}.alert-error{background-color:var(--color-error-light);border-color:var(--color-error);color:var(--color-error-dark)}.alert-info{background-color:var(--color-info-light);border-color:var(--color-info);color:var(--color-info-dark)}