:root{--font-font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-font-family-heading: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-font-family-mono: "JetBrains Mono", "Fira Code", Consolas, monospace;--font-font-size-xs: .75rem;--font-font-size-sm: .875rem;--font-font-size-base: 1rem;--font-font-size-lg: 1.125rem;--font-font-size-xl: 1.25rem;--font-font-size-2xl: 1.5rem;--font-font-size-3xl: 1.875rem;--font-font-size-4xl: 2.25rem;--font-font-size-5xl: 3rem;--font-font-size-6xl: 3.75rem;--font-line-height-tight: 1.25;--font-line-height-base: 1.5;--font-line-height-relaxed: 1.75;--font-font-weight-normal: 400;--font-font-weight-medium: 500;--font-font-weight-semibold: 600;--font-font-weight-bold: 700;--font-letter-spacing-tight: -.025em;--font-letter-spacing-normal: 0;--font-letter-spacing-wide: .025em;--spacing-0: 0;--spacing-1: .25rem;--spacing-2: .5rem;--spacing-3: .75rem;--spacing-4: 1rem;--spacing-5: 1.25rem;--spacing-6: 1.5rem;--spacing-8: 2rem;--spacing-10: 2.5rem;--spacing-12: 3rem;--spacing-16: 4rem;--spacing-20: 5rem;--spacing-24: 6rem;--spacing-32: 8rem;--spacing-container-sm: 640px;--spacing-container-md: 768px;--spacing-container-lg: 1024px;--spacing-container-xl: 1280px;--spacing-container-2xl: 1536px;--spacing-section-padding-y: 5rem;--spacing-section-padding-y-mobile: 3rem;--radius-none: 0;--radius-sm: .25rem;--radius-md: .375rem;--radius-lg: .5rem;--radius-xl: .75rem;--radius-2xl: 1rem;--radius-full: 9999px;--shadow-none: none;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -2px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -4px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 8px 10px -6px rgba(0, 0, 0, .1);--shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, .25);--shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, .05);--transition-fast: .15s ease-in-out;--transition-base: .2s ease-in-out;--transition-slow: .3s ease-in-out;--z-dropdown: 1000;--z-sticky: 1020;--z-fixed: 1030;--z-modal: 1040;--z-popover: 1050;--z-tooltip: 1060;--color-primary: #1e40af;--color-primary-hover: #1d4ed8;--color-primary-active: #1e3a8a;--color-primary-light: #dbeafe;--color-primary-dark: #172554;--color-secondary: #475569;--color-secondary-hover: #334155;--color-secondary-light: #f1f5f9;--color-accent: #0369a1;--color-accent-hover: #0284c7;--color-success: #059669;--color-success-light: #d1fae5;--color-warning: #d97706;--color-warning-light: #fef3c7;--color-error: #dc2626;--color-error-light: #fee2e2;--color-info: #0284c7;--color-info-light: #e0f2fe;--color-background: #ffffff;--color-background-secondary: #f8fafc;--color-background-tertiary: #f1f5f9;--color-surface: #ffffff;--color-surface-hover: #f8fafc;--color-text: #0f172a;--color-text-secondary: #475569;--color-text-muted: #94a3b8;--color-text-inverse: #ffffff;--color-border: #e2e8f0;--color-border-light: #f1f5f9;--color-border-dark: #cbd5e1;--color-overlay: rgba(15, 23, 42, .5);--color-overlay-light: rgba(15, 23, 42, .3)}[data-theme=dark]{--color-primary: #3b82f6;--color-primary-hover: #60a5fa;--color-primary-active: #2563eb;--color-primary-light: #1e3a8a;--color-primary-dark: #93c5fd;--color-secondary: #94a3b8;--color-secondary-hover: #cbd5e1;--color-secondary-light: #334155;--color-accent: #38bdf8;--color-accent-hover: #7dd3fc;--color-success: #34d399;--color-success-light: #064e3b;--color-warning: #fbbf24;--color-warning-light: #78350f;--color-error: #f87171;--color-error-light: #7f1d1d;--color-info: #38bdf8;--color-info-light: #0c4a6e;--color-background: #0f172a;--color-background-secondary: #1e293b;--color-background-tertiary: #334155;--color-surface: #1e293b;--color-surface-hover: #334155;--color-text: #f8fafc;--color-text-secondary: #cbd5e1;--color-text-muted: #64748b;--color-text-inverse: #0f172a;--color-border: #334155;--color-border-light: #1e293b;--color-border-dark: #475569;--color-overlay: rgba(0, 0, 0, .7);--color-overlay-light: rgba(0, 0, 0, .5);--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4), 0 2px 4px -2px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .4), 0 4px 6px -4px rgba(0, 0, 0, .3);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .4), 0 8px 10px -6px rgba(0, 0, 0, .3);--shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, .5)}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--color-primary: #3b82f6;--color-primary-hover: #60a5fa;--color-primary-active: #2563eb;--color-primary-light: #1e3a8a;--color-primary-dark: #93c5fd;--color-secondary: #94a3b8;--color-secondary-hover: #cbd5e1;--color-secondary-light: #334155;--color-accent: #38bdf8;--color-accent-hover: #7dd3fc;--color-success: #34d399;--color-success-light: #064e3b;--color-warning: #fbbf24;--color-warning-light: #78350f;--color-error: #f87171;--color-error-light: #7f1d1d;--color-info: #38bdf8;--color-info-light: #0c4a6e;--color-background: #0f172a;--color-background-secondary: #1e293b;--color-background-tertiary: #334155;--color-surface: #1e293b;--color-surface-hover: #334155;--color-text: #f8fafc;--color-text-secondary: #cbd5e1;--color-text-muted: #64748b;--color-text-inverse: #0f172a;--color-border: #334155;--color-border-light: #1e293b;--color-border-dark: #475569;--color-overlay: rgba(0, 0, 0, .7);--color-overlay-light: rgba(0, 0, 0, .5)}}*,*:before,*:after{box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;padding:0;font-family:var(--font-font-family);font-size:var(--font-font-size-base);line-height:var(--font-line-height-base);color:var(--color-text);background-color:var(--color-background);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{margin:0 0 var(--spacing-4);font-family:var(--font-font-family-heading);font-weight:var(--font-font-weight-bold);line-height:var(--font-line-height-tight);color:var(--color-text)}h1{font-size:var(--font-font-size-4xl);letter-spacing:var(--font-letter-spacing-tight)}h2{font-size:var(--font-font-size-3xl);letter-spacing:var(--font-letter-spacing-tight)}h3{font-size:var(--font-font-size-2xl)}h4{font-size:var(--font-font-size-xl)}h5{font-size:var(--font-font-size-lg)}h6{font-size:var(--font-font-size-base)}p{margin:0 0 var(--spacing-4)}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-hover)}strong,b{font-weight:var(--font-font-weight-semibold)}code,pre{font-family:var(--font-font-family-mono)}code{padding:var(--spacing-1) var(--spacing-2);font-size:.875em;background-color:var(--color-background-tertiary);border-radius:var(--radius-sm)}pre{padding:var(--spacing-4);overflow-x:auto;background-color:var(--color-background-tertiary);border-radius:var(--radius-lg)}pre code{padding:0;background:none}blockquote{margin:var(--spacing-4) 0;padding:var(--spacing-4) var(--spacing-6);border-left:4px solid var(--color-primary);background-color:var(--color-background-secondary);font-style:italic}hr{margin:var(--spacing-8) 0;border:none;border-top:1px solid var(--color-border)}.container{width:100%;max-width:var(--spacing-container-xl);margin:0 auto;padding:0 var(--spacing-4)}.container-sm{max-width:var(--spacing-container-sm)}.container-md{max-width:var(--spacing-container-md)}.container-lg{max-width:var(--spacing-container-lg)}.container-2xl{max-width:var(--spacing-container-2xl)}.section{padding:var(--spacing-section-padding-y-mobile) 0}@media(min-width:768px){.section{padding:var(--spacing-section-padding-y) 0}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-2);padding:var(--spacing-3) var(--spacing-6);font-family:inherit;font-size:var(--font-font-size-base);font-weight:var(--font-font-weight-medium);line-height:1;text-align:center;text-decoration:none;white-space:nowrap;cursor:pointer;border:1px solid transparent;border-radius:var(--radius-lg);transition:all var(--transition-fast)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{color:var(--color-text-inverse);background-color:var(--color-primary);border-color:var(--color-primary)}.btn-primary:hover:not(:disabled){background-color:var(--color-primary-hover);border-color:var(--color-primary-hover)}.btn-primary:active:not(:disabled){background-color:var(--color-primary-active);border-color:var(--color-primary-active)}.btn-secondary{color:var(--color-text);background-color:transparent;border-color:var(--color-border)}.btn-secondary:hover:not(:disabled){background-color:var(--color-background-secondary);border-color:var(--color-border-dark)}.btn-outline{color:var(--color-primary);background-color:transparent;border-color:var(--color-primary)}.btn-outline:hover:not(:disabled){color:var(--color-text-inverse);background-color:var(--color-primary)}.btn-ghost{color:var(--color-text);background-color:transparent;border-color:transparent}.btn-ghost:hover:not(:disabled){background-color:var(--color-background-secondary)}.btn-sm{padding:var(--spacing-2) var(--spacing-4);font-size:var(--font-font-size-sm)}.btn-lg{padding:var(--spacing-4) var(--spacing-8);font-size:var(--font-font-size-lg)}.form-group{margin-bottom:var(--spacing-4)}.form-label{display:block;margin-bottom:var(--spacing-2);font-size:var(--font-font-size-sm);font-weight:var(--font-font-weight-medium);color:var(--color-text)}.form-input,.form-select,.form-textarea{display:block;width:100%;padding:var(--spacing-3) var(--spacing-4);font-family:inherit;font-size:var(--font-font-size-base);line-height:var(--font-line-height-base);color:var(--color-text);background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light)}.form-input::placeholder,.form-textarea::placeholder{color:var(--color-text-muted)}.form-input:disabled,.form-select:disabled,.form-textarea:disabled{opacity:.5;cursor:not-allowed;background-color:var(--color-background-secondary)}.form-textarea{min-height:120px;resize:vertical}.form-hint{margin-top:var(--spacing-1);font-size:var(--font-font-size-sm);color:var(--color-text-muted)}.form-error{margin-top:var(--spacing-1);font-size:var(--font-font-size-sm);color:var(--color-error)}.card{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);overflow:hidden;transition:box-shadow var(--transition-base),transform var(--transition-base)}.card:hover{box-shadow:var(--shadow-lg)}.card-image{width:100%;height:auto;object-fit:cover}.card-body{padding:var(--spacing-6)}.card-title{margin-bottom:var(--spacing-2);font-size:var(--font-font-size-xl)}.card-text{color:var(--color-text-secondary)}.badge{display:inline-flex;align-items:center;padding:var(--spacing-1) var(--spacing-2);font-size:var(--font-font-size-xs);font-weight:var(--font-font-weight-medium);line-height:1;border-radius:var(--radius-full)}.badge-primary{color:var(--color-primary-dark);background-color:var(--color-primary-light)}.badge-secondary{color:var(--color-secondary);background-color:var(--color-secondary-light)}.badge-success{color:var(--color-success);background-color:var(--color-success-light)}.badge-warning{color:var(--color-warning);background-color:var(--color-warning-light)}.badge-error{color:var(--color-error);background-color:var(--color-error-light)}.alert{padding:var(--spacing-4) var(--spacing-5);border-radius:var(--radius-lg);border-left:4px solid}.alert-info{color:var(--color-info);background-color:var(--color-info-light);border-color:var(--color-info)}.alert-success{color:var(--color-success);background-color:var(--color-success-light);border-color:var(--color-success)}.alert-warning{color:var(--color-warning);background-color:var(--color-warning-light);border-color:var(--color-warning)}.alert-error{color:var(--color-error);background-color:var(--color-error-light);border-color:var(--color-error)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.text-primary{color:var(--color-primary)}.text-secondary{color:var(--color-text-secondary)}.text-muted{color:var(--color-text-muted)}.text-success{color:var(--color-success)}.text-warning{color:var(--color-warning)}.text-error{color:var(--color-error)}.bg-primary{background-color:var(--color-primary)}.bg-secondary{background-color:var(--color-background-secondary)}.bg-tertiary{background-color:var(--color-background-tertiary)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-1{gap:var(--spacing-1)}.gap-2{gap:var(--spacing-2)}.gap-3{gap:var(--spacing-3)}.gap-4{gap:var(--spacing-4)}.gap-6{gap:var(--spacing-6)}.gap-8{gap:var(--spacing-8)}.grid{display:grid}.grid-cols-1{grid-template-columns:repeat(1,minmax(0,1fr))}.grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}@media(min-width:640px){.sm\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(min-width:768px){.md\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.md\:grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(min-width:1024px){.lg\:grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.lg\:grid-cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}}:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}::selection{background:var(--color-primary);color:var(--color-text-inverse)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-background-secondary)}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--color-secondary)}@media print{.header,.footer,.nav-sidebar,.share-buttons,.theme-toggle{display:none!important}.main-content{padding:0!important}}@media(min-width:768px){h1{font-size:var(--font-font-size-5xl)}h2{font-size:var(--font-font-size-4xl)}h3{font-size:var(--font-font-size-3xl)}}@media(min-width:1024px){h1{font-size:var(--font-font-size-6xl)}}