*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-family);color:var(--text-primary);background-color:var(--background-primary);line-height:var(--line-height-normal);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-weight:var(--font-weight-semibold);line-height:var(--line-height-tight);margin-bottom:var(--spacing-md)}p{margin-bottom:var(--spacing-md)}a:hover{color:var(--primary-dark)}button{cursor:pointer;font-family:inherit;font-size:inherit;border:none;background:none}img{max-width:100%;height:auto}.container{width:100%;max-width:var(--container-max-width);margin:0 auto;padding:0 var(--spacing-md)}.section{padding:var(--spacing-3xl) 0}.section-title{font-size:var(--font-size-4xl);text-align:center;margin-bottom:var(--spacing-2xl)}@media (max-width: 768px){.section{padding:var(--spacing-2xl) 0}.section-title{font-size:var(--font-size-3xl)}}:root{--primary-color: #4A90E2;--primary-dark: #357ABD;--primary-hover: #357ABD;--primary-light: #E8F0FE;--secondary-color: #50C878;--secondary-dark: #3AA665;--secondary-hover: #3AA665;--secondary-light: #E8F5EE;--accent-color: #9B6EF3;--accent-dark: #7B4ED3;--accent-light: #F0E8FE;--success-color: #38A169;--success-hover: #2F855A;--danger-color: #E53E3E;--danger-hover: #C53030;--warning-color: #D69E2E;--warning-hover: #B7791F;--info-color: #3182CE;--info-hover: #2C5282;--error-color: var(--danger-color);--white: #FFFFFF;--black: #000000;--gray-50: #F7FAFC;--gray-100: #EDF2F7;--gray-200: #E2E8F0;--gray-300: #CBD5E0;--gray-400: #A0AEC0;--gray-500: #718096;--gray-600: #4A5568;--gray-700: #2D3748;--gray-800: #1A202C;--gray-900: #171923;--text-primary: var(--gray-900);--text-secondary: var(--gray-600);--text-tertiary: var(--gray-500);--text-disabled: var(--gray-400);--text-on-primary: var(--white);--text-on-secondary: var(--white);--text-on-dark: var(--white);--text-on-light: var(--gray-900);--background-primary: var(--white);--background-secondary: var(--gray-50);--background-tertiary: var(--gray-100);--background-disabled: var(--gray-200);--background-overlay: rgba(0, 0, 0, .5);--border-color: var(--gray-200);--border-color-hover: var(--gray-300);--border-color-focus: var(--primary-color);--border-color-error: var(--danger-color);--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;--font-family-mono: "Fira Code", "JetBrains Mono", "SF Mono", Monaco, Consolas, 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-size-6xl: 3.75rem;--font-weight-thin: 100;--font-weight-light: 300;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--font-weight-extrabold: 800;--font-weight-black: 900;--line-height-none: 1;--line-height-tight: 1.25;--line-height-normal: 1.5;--line-height-relaxed: 1.625;--line-height-loose: 2;--spacing-px: 1px;--spacing-0: 0;--spacing-0-5: .125rem;--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;--radius-none: 0;--radius-sm: .125rem;--radius-base: .25rem;--radius-md: .375rem;--radius-lg: .5rem;--radius-xl: .75rem;--radius-2xl: 1rem;--radius-3xl: 1.5rem;--radius-full: 9999px;--shadow-xs: 0 0 0 1px rgba(0, 0, 0, .05);--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-base: 0 1px 3px 0 rgba(0, 0, 0, .1), 0 1px 2px 0 rgba(0, 0, 0, .06);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, .25);--shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, .06);--shadow-outline: 0 0 0 3px rgba(66, 153, 225, .5);--transition-none: none;--transition-all: all .15s cubic-bezier(.4, 0, .2, 1);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .35s cubic-bezier(.4, 0, .2, 1);--z-index-dropdown: 1000;--z-index-sticky: 1020;--z-index-fixed: 1030;--z-index-modal-backdrop: 1040;--z-index-modal: 1050;--z-index-popover: 1060;--z-index-tooltip: 1070;--z-index-toast: 1080;--container-max-width: 1200px;--header-height: 64px;--navbar-height: 64px;--footer-height: 80px;--sidebar-width: 250px;--sidebar-width-collapsed: 64px;--breakpoint-sm: 640px;--breakpoint-md: 768px;--breakpoint-lg: 1024px;--breakpoint-xl: 1280px;--breakpoint-2xl: 1536px}:root{--font-size-md: var(--font-size-base);--font-size-xxl: var(--font-size-2xl);--font-size-xxxl: var(--font-size-3xl);--spacing-xs: var(--spacing-1);--spacing-sm: var(--spacing-2);--spacing-md: var(--spacing-4);--spacing-lg: var(--spacing-6);--spacing-xl: var(--spacing-8);--spacing-xxl: var(--spacing-12);--spacing-2xl: var(--spacing-16);--spacing-3xl: var(--spacing-20);--border-radius-sm: var(--radius-sm);--border-radius-md: var(--radius-base);--border-radius-lg: var(--radius-lg);--border-radius-xl: var(--radius-2xl);--shadow-sm: var(--shadow-sm);--shadow-md: var(--shadow-base);--shadow-lg: var(--shadow-md);--transition-medium: var(--transition-normal);--text-color: var(--text-primary);--text-color-light: var(--text-secondary);--text-color-disabled: var(--text-disabled);--background-color: var(--background-primary);--background-color-light: var(--background-secondary);--background-color-hover: var(--background-tertiary);--background-color-disabled: var(--background-disabled);--border-color-dark: var(--border-color-hover)}.loading-page-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background-color:var(--background-secondary)}.loading-page-content{text-align:center;padding:var(--spacing-xl)}.loading-logo-section{margin-bottom:var(--spacing-xl)}.loading-logo-title{font-size:var(--font-size-4xl);font-weight:700;color:var(--primary-color);margin-bottom:var(--spacing-sm)}.loading-logo-subtitle{color:var(--text-secondary);margin-top:var(--spacing-sm);font-size:var(--font-size-lg)}.loading-text-container{display:flex;align-items:center;justify-content:center;gap:var(--spacing-md)}.loading-text-small{font-size:var(--font-size-sm)}.loading-text-base{font-size:var(--font-size-base)}.loading-text-large{font-size:var(--font-size-lg)}.loading-text-gray{color:var(--text-secondary)}.spinner{display:inline-block;border-radius:50%;border:3px solid rgba(0,0,0,.1);border-left-color:var(--primary-color);animation:spin 1s linear infinite}.spinner-sm{width:16px;height:16px;border-width:2px}.spinner-md{width:24px;height:24px;border-width:3px}.spinner-lg{width:32px;height:32px;border-width:4px}.spinner-xl{width:48px;height:48px;border-width:5px}.spinner-primary{border-left-color:var(--primary-color)}.spinner-white{border:3px solid rgba(255,255,255,.3);border-left-color:#fff}@keyframes spin{to{transform:rotate(360deg)}}.loading-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-xl);text-align:center;min-height:200px}.loading-icon{width:32px;height:32px;color:var(--primary-color);animation:spin 1s linear infinite;margin-bottom:var(--spacing-md)}.error-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-xl);text-align:center;min-height:200px;color:var(--error-color)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-xl);text-align:center;min-height:200px}.empty-state-icon{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,var(--background-secondary) 0%,var(--background-tertiary) 100%);display:flex;align-items:center;justify-content:center;color:var(--text-secondary);font-size:24px;margin-bottom:var(--spacing-md)}.empty-state-text{font-size:var(--font-size-lg);font-weight:600;color:var(--text-primary);margin-bottom:var(--spacing-xs)}.empty-state-subtext{font-size:var(--font-size-sm);color:var(--text-secondary);text-align:center;max-width:400px;line-height:1.5}.skeleton{background:linear-gradient(90deg,var(--background-tertiary) 25%,var(--background-secondary) 50%,var(--background-tertiary) 75%);background-size:200% 100%;animation:skeleton-loading 2s infinite}@keyframes skeleton-loading{0%{background-position:200% 0}to{background-position:-200% 0}}.skeleton-card{background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:var(--spacing-lg)}.skeleton-line{height:16px;border-radius:var(--radius-sm);margin-bottom:var(--spacing-sm)}.skeleton-line-short{width:50%}.skeleton-line-medium{width:75%}.skeleton-line-full{width:100%}.skeleton-avatar{width:40px;height:40px;border-radius:50%;margin-bottom:var(--spacing-sm)}.button-loading{position:relative;cursor:wait}.button-loading-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}.button-loading-content{opacity:0}.button-loading-visible{opacity:1}.navbar{background-color:var(--background-primary);padding:var(--spacing-md) 0;box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:1000;width:100%}.navbar-container{max-width:var(--max-content-width);margin:0 auto;padding:0 var(--spacing-lg);display:flex;justify-content:space-between;align-items:center}.navbar-logo{display:flex;align-items:center;gap:.5rem;text-decoration:none;color:inherit}.navbar-logo .logo-image{height:30px;width:auto;object-fit:contain}.navbar-logo .logo-text{font-size:1.5rem;font-weight:600;color:var(--primary-color)}.navbar-toggler{display:none;background:none;border:none;padding:var(--spacing-sm);cursor:pointer}.toggler-icon{display:block;width:22px;height:2px;background-color:var(--text-primary);border-radius:1px;transition:transform .3s ease,opacity .3s ease}.toggler-icon+.toggler-icon{margin-top:4px}.navbar-toggler.active .toggler-icon:nth-child(1){transform:translateY(6px) rotate(45deg)}.navbar-toggler.active .toggler-icon:nth-child(2){opacity:0}.navbar-toggler.active .toggler-icon:nth-child(3){transform:translateY(-6px) rotate(-45deg)}.navbar-collapse{display:flex;align-items:center}.navbar-nav{list-style:none;display:flex;align-items:center;margin:0;padding:0}.nav-item{margin-left:var(--spacing-lg)}.nav-link{color:var(--text-secondary);text-decoration:none;padding:var(--spacing-sm) 0;transition:color var(--transition-fast);position:relative;font-size:var(--font-size-base)}.nav-link:after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background-color:var(--primary-color);transition:width var(--transition-base)}.nav-link:hover,.nav-link.active{color:var(--primary-color)}.nav-link.active:after{width:100%}.beta-invite-link{background:linear-gradient(135deg,#667eea,#764ba2,#4a90e2);color:#fff!important;padding:var(--spacing-sm) var(--spacing-md)!important;border-radius:var(--radius-full);font-weight:700;text-transform:uppercase;letter-spacing:.5px;font-size:var(--font-size-sm);box-shadow:0 4px 16px #667eea4d;transition:all .3s ease;display:flex;align-items:center;gap:var(--spacing-xs);position:relative;overflow:hidden}.beta-invite-link:after{display:none}.beta-invite-link:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);transition:left .5s ease;pointer-events:none}.beta-invite-link:hover:before{left:100%}.beta-invite-link:hover{transform:translateY(-2px);box-shadow:0 8px 24px #667eea66;color:#fff!important}.beta-rocket{font-size:1.1em;animation:rocket-pulse 2s ease-in-out infinite;display:inline-block}@keyframes rocket-pulse{0%,to{transform:scale(1) rotate(0)}25%{transform:scale(1.1) rotate(-5deg)}50%{transform:scale(1.2) rotate(5deg)}75%{transform:scale(1.1) rotate(-2deg)}}.navbar-auth{display:flex;align-items:center;margin-left:var(--spacing-lg)}.nav-button{padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md);text-decoration:none;font-weight:500;transition:all var(--transition-fast);font-size:var(--font-size-base);margin-left:var(--spacing-sm);border:1px solid transparent}.login-button{color:var(--primary-color);border-color:var(--primary-color)}.login-button:hover{background-color:var(--primary-dark);color:var(--text-on-primary);border-color:var(--primary-dark)}.register-button{background-color:var(--primary-color);color:var(--text-on-primary)}.register-button:hover{background-color:var(--primary-dark)}.logout-button{background-color:var(--error-bg);color:var(--error-text);border-color:var(--error-text)}.logout-button:hover{background-color:var(--error-text);color:var(--text-on-primary)}.nav-button.icon-only{padding:var(--spacing-sm);min-width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-md)}.nav-button.icon-only svg{width:18px;height:18px}.nav-button.labeled-button{display:flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-sm) var(--spacing-md);height:40px}.nav-button.labeled-button .button-text{font-size:var(--font-size-sm);font-weight:500;white-space:nowrap}.nav-button.labeled-button svg{width:16px;height:16px;flex-shrink:0}@media (max-width: 992px){.navbar-toggler{display:block}.navbar-collapse{display:none;position:absolute;top:100%;left:0;right:0;background-color:var(--background-primary);box-shadow:var(--shadow-md);padding:var(--spacing-lg);flex-direction:column;align-items:stretch;border-top:1px solid var(--border-color)}.navbar-collapse.active{display:flex}.navbar-nav{flex-direction:column;width:100%;align-items:flex-start}.nav-item{margin:var(--spacing-sm) 0;width:100%}.nav-link{display:block;padding:var(--spacing-md) 0}.nav-link:after{display:none}.navbar-auth{margin-top:var(--spacing-lg);margin-left:0;flex-direction:column;width:100%;gap:var(--spacing-md)}.nav-button{width:100%;text-align:center;margin-left:0}.nav-button.icon-only{width:auto;align-self:center}.nav-button.labeled-button{height:36px;padding:var(--spacing-xs) var(--spacing-sm)}.nav-button.labeled-button .button-text{font-size:var(--font-size-xs)}.nav-button.labeled-button svg{width:14px;height:14px}}.footer{background-color:var(--background-secondary);padding:var(--spacing-3xl) 0 var(--spacing-xl);margin-top:var(--spacing-3xl)}.footer-content{display:grid;grid-template-columns:1fr 2fr;gap:var(--spacing-2xl);margin-bottom:var(--spacing-3xl)}.footer-brand{max-width:300px}.footer-logo{font-size:var(--font-size-2xl);font-weight:700;color:var(--primary-color);text-decoration:none;margin-bottom:var(--spacing-md);display:inline-block}.footer-logo .logo-image{height:120px;width:auto;object-fit:contain;margin-bottom:1rem}.footer-description{color:var(--text-secondary);line-height:1.6}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--spacing-xl)}.footer-section-title{font-size:var(--font-size-lg);color:var(--text-primary);margin-bottom:var(--spacing-md)}.footer-section-links{list-style:none}.footer-section-links li{margin-bottom:var(--spacing-sm)}.footer-section-links a{color:var(--text-secondary);transition:color var(--transition-fast)}.footer-section-links a:hover{color:var(--primary-color)}.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:var(--spacing-xl);border-top:1px solid var(--border-color)}.footer-copyright{color:var(--text-tertiary)}.footer-social{display:flex;gap:var(--spacing-md)}.footer-social a{color:var(--text-secondary);transition:color var(--transition-fast)}.footer-social a:hover{color:var(--primary-color)}@media (max-width: 1024px){.footer-links{grid-template-columns:repeat(2,1fr)}}@media (max-width: 768px){.footer-content{grid-template-columns:1fr;gap:var(--spacing-xl)}.footer-brand{max-width:none;text-align:center}.footer-links{grid-template-columns:1fr;gap:var(--spacing-xl)}.footer-section{text-align:center}.footer-bottom{flex-direction:column;gap:var(--spacing-md);text-align:center}}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--background-primary);color:var(--text-primary);line-height:var(--line-height-relaxed);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh;display:flex;flex-direction:column}main{flex-grow:1;padding:var(--spacing-1)}a{color:var(--primary-color);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--primary-hover)}button{font-family:inherit;cursor:pointer}.text-center{text-align:center}.mb-lg{margin-bottom:var(--spacing-lg)}.modal-overlay{position:fixed;inset:0;background-color:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000;backdrop-filter:blur(4px);animation:fade-in-overlay .3s ease-out forwards}.modal-container{background:var(--color-background, white);color:var(--color-text, black);padding:0;border-radius:12px;max-width:600px;width:90%;box-shadow:0 10px 25px #0000001a,0 5px 10px #0000000d;position:relative;animation:slide-in-and-scale .4s cubic-bezier(.16,1,.3,1) forwards}@keyframes fade-in-overlay{0%{background-color:#0000;backdrop-filter:blur(0px)}to{background-color:#00000080;backdrop-filter:blur(4px)}}@keyframes slide-in-and-scale{0%{transform:translateY(-30px) scale(.95);opacity:0}to{transform:translateY(0) scale(1);opacity:1}}.modal-header{display:flex;justify-content:space-between;align-items:flex-start;padding:1.5rem 2rem;border-bottom:1px solid var(--color-border, #eee)}.modal-header .form-title-section{display:flex;align-items:center;gap:1rem}.modal-header .form-icon{font-size:2rem}.modal-header .form-title{margin:0;font-size:1.25rem;font-weight:600;line-height:1.3}.modal-header .form-subtitle{margin:0;font-size:.9rem;color:var(--color-text-secondary, #666)}.modal-close-button{background:transparent;border:none;font-size:2rem;cursor:pointer;color:var(--color-text-secondary, #666);line-height:1;padding:0}.modal-close-button:hover{color:var(--color-text, #000)}.modal-body{padding:0}