@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";*,:before,:after{--tw-border-spacing-x: 0;--tw-border-spacing-y: 0;--tw-translate-x: 0;--tw-translate-y: 0;--tw-rotate: 0;--tw-skew-x: 0;--tw-skew-y: 0;--tw-scale-x: 1;--tw-scale-y: 1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness: proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width: 0px;--tw-ring-offset-color: #fff;--tw-ring-color: rgb(59 130 246 / .5);--tw-ring-offset-shadow: 0 0 #0000;--tw-ring-shadow: 0 0 #0000;--tw-shadow: 0 0 #0000;--tw-shadow-colored: 0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }::backdrop{--tw-border-spacing-x: 0;--tw-border-spacing-y: 0;--tw-translate-x: 0;--tw-translate-y: 0;--tw-rotate: 0;--tw-skew-x: 0;--tw-skew-y: 0;--tw-scale-x: 1;--tw-scale-y: 1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness: proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width: 0px;--tw-ring-offset-color: #fff;--tw-ring-color: rgb(59 130 246 / .5);--tw-ring-offset-shadow: 0 0 #0000;--tw-ring-shadow: 0 0 #0000;--tw-shadow: 0 0 #0000;--tw-shadow-colored: 0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }*,:before,:after{box-sizing:border-box;border-width:0;border-style:solid;border-color:#e5e7eb}:before,:after{--tw-content: ""}html,:host{line-height:1.5;-webkit-text-size-adjust:100%;-moz-tab-size:4;-o-tab-size:4;tab-size:4;font-family:ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol,"Noto Color Emoji";font-feature-settings:normal;font-variation-settings:normal;-webkit-tap-highlight-color:transparent}body{margin:0;line-height:inherit}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-feature-settings:normal;font-variation-settings:normal;font-size:1em}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}button,input,optgroup,select,textarea{font-family:inherit;font-feature-settings:inherit;font-variation-settings:inherit;font-size:100%;font-weight:inherit;line-height:inherit;letter-spacing:inherit;color:inherit;margin:0;padding:0}button,select{text-transform:none}button,input:where([type=button]),input:where([type=reset]),input:where([type=submit]){-webkit-appearance:button;background-color:transparent;background-image:none}:-moz-focusring{outline:auto}:-moz-ui-invalid{box-shadow:none}progress{vertical-align:baseline}::-webkit-inner-spin-button,::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}summary{display:list-item}blockquote,dl,dd,h1,h2,h3,h4,h5,h6,hr,figure,p,pre{margin:0}fieldset{margin:0;padding:0}legend{padding:0}ol,ul,menu{list-style:none;margin:0;padding:0}dialog{padding:0}textarea{resize:vertical}input::-moz-placeholder,textarea::-moz-placeholder{opacity:1;color:#9ca3af}input::placeholder,textarea::placeholder{opacity:1;color:#9ca3af}button,[role=button]{cursor:pointer}:disabled{cursor:default}img,svg,video,canvas,audio,iframe,embed,object{display:block;vertical-align:middle}img,video{max-width:100%;height:auto}[hidden]:where(:not([hidden=until-found])){display:none}.container{width:100%}@media (min-width: 640px){.container{max-width:640px}}@media (min-width: 768px){.container{max-width:768px}}@media (min-width: 1024px){.container{max-width:1024px}}@media (min-width: 1280px){.container{max-width:1280px}}@media (min-width: 1536px){.container{max-width:1536px}}.mb-2{margin-bottom:.5rem}.mt-2{margin-top:.5rem}.mt-4{margin-top:1rem}.block{display:block}.flex{display:flex}.grid{display:grid}.hidden{display:none}.max-h-32{max-height:8rem}.flex-wrap{flex-wrap:wrap}.items-start{align-items:flex-start}.justify-between{justify-content:space-between}.gap-4{gap:1rem}.gap-6{gap:1.5rem}.space-y-4>:not([hidden])~:not([hidden]){--tw-space-y-reverse: 0;margin-top:calc(1rem * calc(1 - var(--tw-space-y-reverse)));margin-bottom:calc(1rem * var(--tw-space-y-reverse))}.space-y-6>:not([hidden])~:not([hidden]){--tw-space-y-reverse: 0;margin-top:calc(1.5rem * calc(1 - var(--tw-space-y-reverse)));margin-bottom:calc(1.5rem * var(--tw-space-y-reverse))}.overflow-y-auto{overflow-y:auto}.whitespace-pre-wrap{white-space:pre-wrap}.rounded{border-radius:.25rem}.border-b{border-bottom-width:1px}.border-gray-200{--tw-border-opacity: 1;border-color:rgb(229 231 235 / var(--tw-border-opacity, 1))}.bg-gray-50{--tw-bg-opacity: 1;background-color:rgb(249 250 251 / var(--tw-bg-opacity, 1))}.p-3{padding:.75rem}.py-12{padding-top:3rem;padding-bottom:3rem}.pb-4{padding-bottom:1rem}.text-right{text-align:right}.text-lg{font-size:1.125rem;line-height:1.75rem}.text-sm{font-size:.875rem;line-height:1.25rem}.font-medium{font-weight:500}.font-semibold{font-weight:600}.text-gray-500{--tw-text-opacity: 1;color:rgb(107 114 128 / var(--tw-text-opacity, 1))}.text-gray-600{--tw-text-opacity: 1;color:rgb(75 85 99 / var(--tw-text-opacity, 1))}.text-gray-700{--tw-text-opacity: 1;color:rgb(55 65 81 / var(--tw-text-opacity, 1))}.text-gray-900{--tw-text-opacity: 1;color:rgb(17 24 39 / var(--tw-text-opacity, 1))}.text-orange-600{--tw-text-opacity: 1;color:rgb(234 88 12 / var(--tw-text-opacity, 1))}.underline{text-decoration-line:underline}@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))}}*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #0066cc;--primary-hover: #0052a3;--secondary-color: #00a86b;--success-color: #059669;--error-color: #dc2626;--warning-color: #d97706;--gray-50: #f8fafb;--gray-100: #f1f4f6;--gray-200: #e4e9ec;--gray-300: #d1d9dd;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-600: #4b5563;--gray-700: #374151;--gray-800: #1f2937;--gray-900: #111827;--accent-blue: #3b82f6;--accent-green: #10b981;--accent-teal: #14b8a6;--border-radius: 8px;--border-radius-lg: 12px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow: 0 1px 3px 0 rgb(0 0 0 / .1), 0 1px 2px -1px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1)}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6;color:var(--gray-800);background:linear-gradient(135deg,#ffffff 0%,var(--gray-50) 100%);min-height:100vh;font-feature-settings:"cv02","cv03","cv04","cv11";-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;display:flex;flex-direction:column}.site-header{background:linear-gradient(135deg,#ffffff 0%,var(--gray-50) 100%);border-bottom:1px solid var(--gray-200);box-shadow:var(--shadow-sm);padding:1rem 0;position:sticky;top:0;z-index:50;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.header-container{max-width:1200px;margin:0 auto;padding:0 2rem;display:flex;justify-content:space-between;align-items:center}.header-left{display:flex;align-items:center;gap:1rem}.header-brand{display:flex;align-items:center;gap:1rem;text-decoration:none;transition:opacity .2s ease}.header-brand:hover{opacity:.8}.header-logo{height:40px;width:auto}.header-title{display:flex;flex-direction:column}.site-title{font-size:1.5rem;font-weight:700;color:var(--primary-color);margin:0;line-height:1.2;background:none;-webkit-background-clip:unset;-webkit-text-fill-color:unset;background-clip:unset}.site-subtitle{font-size:.875rem;color:var(--gray-600);font-weight:500}.header-right{display:flex;align-items:center;gap:1.5rem}.header-user{display:flex;flex-direction:column;align-items:flex-end;gap:.5rem}.user-name{font-size:.875rem;color:var(--gray-700);font-weight:500}.user-actions{display:flex;align-items:center;gap:.75rem}.header-actions{display:flex;align-items:center}.logout-form{display:inline;margin:0}.btn-header{padding:.5rem 1rem;border:none;border-radius:var(--border-radius);text-decoration:none;font-weight:500;font-size:.875rem;cursor:pointer;transition:all .2s ease;background:none}.btn-header:hover{transform:translateY(-1px)}.btn-login{background:var(--primary-color);color:#fff;box-shadow:var(--shadow-sm)}.btn-login:hover{background:var(--primary-hover);box-shadow:var(--shadow)}.btn-logout{background:var(--gray-100);color:var(--gray-700);border:1px solid var(--gray-300)}.btn-logout:hover{background:var(--error-color);color:#fff;border-color:var(--error-color)}.btn-header:not(.btn-logout){background:var(--gray-100);color:var(--primary-color);border:1px solid var(--gray-300)}.btn-header:not(.btn-logout):hover{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}.mit-logo{height:32px;width:auto;opacity:.8;transition:opacity .2s ease}.mit-logo:hover{opacity:1}.site-footer{background:var(--gray-100);border-top:1px solid var(--gray-200);padding:1.5rem 0;flex-shrink:0}.footer-container{max-width:1200px;margin:0 auto;padding:0 2rem;text-align:center;display:flex;flex-direction:column;align-items:center;gap:.75rem}.footer-text{font-size:.875rem;color:var(--gray-600);margin:0}.github-link{display:inline-flex;align-items:center;gap:.5rem;color:var(--gray-700);text-decoration:none;font-weight:500;font-size:.875rem;transition:all .2s ease;padding:.5rem .75rem;border-radius:var(--border-radius);background:transparent}.github-link:hover{color:var(--gray-900);background:var(--gray-200);transform:translateY(-1px)}.github-link svg{flex-shrink:0}.container{max-width:1200px;margin:0 auto;padding:0 2rem}.min-h-screen{min-height:100vh}.bg-gray-50{background:linear-gradient(135deg,var(--gray-50) 0%,#ffffff 100%)}.bg-white{background-color:#fff}h1{font-size:3rem;font-weight:700;color:var(--gray-900);margin-bottom:1rem;text-align:center;letter-spacing:-.025em;background:linear-gradient(135deg,var(--primary-color) 0%,var(--gray-800) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.subtitle{font-size:1.25rem;color:var(--gray-600);text-align:center;margin-bottom:3rem;font-weight:400}h2{font-size:2.25rem;font-weight:700;color:var(--gray-900);margin-bottom:2rem;letter-spacing:-.025em}h3{font-size:1.5rem;font-weight:600;color:var(--gray-900);margin-bottom:1.5rem;letter-spacing:-.025em}h4{font-size:1.125rem;font-weight:600;color:var(--gray-800);margin-bottom:.75rem}p{margin-bottom:1rem;color:var(--gray-700);font-size:1rem;line-height:1.7}nav{background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:var(--shadow-sm);border-bottom:1px solid var(--gray-200);position:sticky;top:0;z-index:50}.nav-container{display:flex;justify-content:space-between;align-items:center;padding:1.5rem 0}.nav-title{font-size:1.5rem;font-weight:700;color:var(--gray-900);letter-spacing:-.025em}.nav-user{display:flex;align-items:center;gap:1.5rem}.nav-user span{color:var(--gray-700);font-weight:500}.nav-logout{background:linear-gradient(135deg,var(--gray-500) 0%,var(--gray-600) 100%);border:2px solid transparent;color:#fff;cursor:pointer;font-weight:600;padding:.75rem 1.5rem;border-radius:var(--border-radius);transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:var(--shadow-sm);font-size:.875rem;letter-spacing:.025em}.nav-logout:hover{background:linear-gradient(135deg,var(--error-color) 0%,#b91c1c 100%);transform:translateY(-1px);box-shadow:var(--shadow);border-color:var(--error-color)}.nav-logout:active{transform:translateY(0);box-shadow:var(--shadow-sm)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:1rem 2rem;border:none;border-radius:var(--border-radius);text-decoration:none;font-weight:600;font-size:.95rem;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);text-align:center;position:relative;overflow:hidden;letter-spacing:.025em;box-shadow:var(--shadow)}.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-lg)}.btn:active{transform:translateY(0);box-shadow:var(--shadow)}.btn-primary{background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-hover) 100%);color:#fff;border:1px solid transparent}.btn-primary:hover{background:linear-gradient(135deg,var(--primary-hover) 0%,#1e40af 100%)}.btn-secondary{background:linear-gradient(135deg,var(--gray-600) 0%,var(--gray-700) 100%);color:#fff}.btn-secondary:hover{background:linear-gradient(135deg,var(--gray-700) 0%,var(--gray-800) 100%)}.btn-google{background:linear-gradient(135deg,#4285f4,#3367d6);color:#fff;padding:1rem 2.5rem;font-size:1rem;position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.75rem}.btn-google:hover{background:linear-gradient(135deg,#3367d6,#2951cc)}.btn-google:before{content:"";width:20px;height:20px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='white' d='M22.56 12.25c0-.78-.07-1.53-.2-2.25H12v4.26h5.92c-.26 1.37-1.04 2.53-2.21 3.31v2.77h3.57c2.08-1.92 3.28-4.74 3.28-8.09z'/%3E%3Cpath fill='white' d='M12 23c2.97 0 5.46-.98 7.28-2.66l-3.57-2.77c-.98.66-2.23 1.06-3.71 1.06-2.86 0-5.29-1.93-6.16-4.53H2.18v2.84C3.99 20.53 7.7 23 12 23z'/%3E%3Cpath fill='white' d='M5.84 14.09c-.22-.66-.35-1.36-.35-2.09s.13-1.43.35-2.09V7.07H2.18C1.43 8.55 1 10.22 1 12s.43 3.45 1.18 4.93l2.85-2.22.81-.62z'/%3E%3Cpath fill='white' d='M12 5.38c1.62 0 3.06.56 4.21 1.64l3.15-3.15C17.45 2.09 14.97 1 12 1 7.7 1 3.99 3.47 2.18 7.07l3.66 2.84c.87-2.6 3.3-4.53 6.16-4.53z'/%3E%3C/svg%3E") no-repeat center;background-size:contain;flex-shrink:0}.card{background:#fff;border-radius:var(--border-radius-lg);box-shadow:var(--shadow-lg);padding:2.5rem;margin-bottom:2.5rem;border:1px solid var(--gray-200);transition:all .3s ease;position:relative;overflow:hidden}.card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary-color),var(--primary-hover))}.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-xl)}.alert{padding:1.5rem 2rem;border-radius:var(--border-radius);margin-bottom:2rem;border:1px solid;font-weight:500;display:flex;align-items:center;gap:.75rem}.alert:before{content:"";width:20px;height:20px;border-radius:50%;flex-shrink:0}.alert-error{background-color:#fef2f2;border-color:#fecaca;color:var(--error-color)}.alert-error:before{background-color:var(--error-color)}.alert-success{background-color:#f0fdf4;border-color:#bbf7d0;color:var(--success-color)}.alert-success:before{background-color:var(--success-color)}.form-group{margin-bottom:2rem}label{display:block;font-weight:600;color:var(--gray-800);margin-bottom:.75rem;font-size:1rem;letter-spacing:.025em}input,select,textarea{width:100%;padding:1rem 1.25rem;border:2px solid var(--gray-300);border-radius:var(--border-radius);font-size:1rem;font-family:inherit;background:#fff;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:var(--shadow-sm)}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 4px #2563eb1a;transform:translateY(-1px)}input:hover,select:hover,textarea:hover{border-color:var(--gray-400)}textarea{resize:vertical;min-height:140px;line-height:1.6}input[type=number]{-moz-appearance:textfield}input[type=number]::-webkit-outer-spin-button,input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.checkbox-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem;margin-top:1rem}.checkbox-item,.radio-item{display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;background:var(--gray-50);border:2px solid var(--gray-200);border-radius:var(--border-radius);transition:all .3s ease;cursor:pointer}.checkbox-item:hover,.radio-item:hover{background:var(--gray-100);border-color:var(--primary-color);transform:translateY(-1px)}.checkbox-item input,.radio-item input{width:auto;margin:0;padding:0;box-shadow:none;transform:none;cursor:pointer;accent-color:var(--primary-color)}.checkbox-item input:focus,.radio-item input:focus{box-shadow:none;transform:none}.checkbox-item span,.radio-item span{font-weight:500;color:var(--gray-700);cursor:pointer}.text-center{text-align:center}.space-y-4>*+*{margin-top:1rem}.space-x-4>*+*{margin-left:1rem}.mb-4{margin-bottom:1rem}.mb-6{margin-bottom:1.5rem}.mb-8{margin-bottom:2rem}.p-4{padding:1rem}.p-6{padding:1.5rem}.px-4{padding-left:1rem;padding-right:1rem}.py-8{padding-top:2rem;padding-bottom:2rem}.max-w-2xl{max-width:42rem}.max-w-4xl{max-width:56rem}.mx-auto{margin-left:auto;margin-right:auto}.feature-icon{width:24px;height:24px;margin:0 auto;display:block}.hero-icon{width:80px;height:80px;background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-hover) 100%);border-radius:50%;margin:0 auto;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-lg);margin-bottom:1.5rem;animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.features-grid{margin-top:3rem;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;max-width:600px;margin-left:auto;margin-right:auto}.feature-item{text-align:center;padding:1.5rem 1rem;transition:transform .2s ease}.feature-item:hover{transform:translateY(-2px)}.space-y-6>*+*{margin-top:1.5rem}.main-content{flex:1}.hero-section{background:linear-gradient(135deg,#ffffff 0%,var(--gray-50) 100%);padding:4rem 0 6rem;position:relative}.hero-content{text-align:center;max-width:800px;margin:0 auto}.hero-badge{display:inline-block;margin-bottom:1.5rem}.badge-text{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;padding:.5rem 1rem;border-radius:50px;font-size:.875rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;box-shadow:var(--shadow)}.hero-title{font-size:3.5rem;font-weight:800;color:var(--gray-900);margin-bottom:1.5rem;line-height:1.1;letter-spacing:-.02em}.hero-description{font-size:1.25rem;color:var(--gray-600);margin-bottom:3rem;line-height:1.6;max-width:600px;margin-left:auto;margin-right:auto}.auth-section{margin-top:2rem;display:flex;justify-content:center}.welcome-card,.login-card{background:#fff;border-radius:var(--border-radius-lg);box-shadow:var(--shadow-lg);padding:3rem;max-width:500px;width:100%;text-align:center;border:1px solid var(--gray-200)}.welcome-icon{width:48px;height:48px;background:var(--gray-100);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem}.welcome-title,.login-title{font-size:1.75rem;font-weight:700;color:var(--gray-900);margin-bottom:1rem}.welcome-text,.login-description{color:var(--gray-600);margin-bottom:2rem;font-size:1.1rem;line-height:1.6}.welcome-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.login-security{display:flex;align-items:center;justify-content:center;gap:.5rem;font-size:.875rem;color:var(--gray-500);margin-top:1.5rem}.features-section{background:var(--gray-50);padding:5rem 0}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-top:1rem}.feature-card{background:#fff;border-radius:var(--border-radius-lg);padding:2.5rem 2rem;text-align:center;box-shadow:var(--shadow);border:1px solid var(--gray-200);transition:all .3s ease}.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl)}.feature-icon{display:flex;align-items:center;justify-content:center;width:64px;height:64px;background:linear-gradient(135deg,var(--gray-50),#ffffff);border-radius:50%;margin:0 auto 1.5rem;box-shadow:var(--shadow-sm)}.feature-card h4{font-size:1.25rem;font-weight:700;color:var(--gray-900);margin-bottom:1rem}.feature-card p{color:var(--gray-600);line-height:1.6}.dashboard-section{padding:1rem 0 .5rem}.application-section,.admin-section{padding:2rem 0 4rem;min-height:calc(100vh - 80px)}@media (max-width: 768px){.container{padding:0 1rem}.header-container{flex-direction:column;gap:1rem;text-align:center}.header-left{justify-content:center}.header-right{flex-direction:column;gap:1rem}.header-user{align-items:center}.user-actions{justify-content:center}.hero-section{padding:2rem 0 3rem}.hero-title{font-size:2.5rem}.hero-description{font-size:1.1rem}.welcome-card,.login-card{padding:2rem;margin:0 1rem}.welcome-actions{flex-direction:column}.btn{width:100%}.features-grid{grid-template-columns:1fr;gap:1.5rem}.feature-card{padding:2rem 1.5rem}}