@import"https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=JetBrains+Mono:wght@400;500&display=swap";.app-layout{min-height:100vh;display:flex;flex-direction:column}.app-header{background:var(--surface-base);border-bottom:1px solid var(--border-subtle);position:sticky;top:0;z-index:100;box-shadow:var(--shadow-sm)}.header-content{max-width:1400px;margin:0 auto;padding:0 2rem;height:72px;display:flex;align-items:center;justify-content:space-between}.logo-link,.logo-link:hover{text-decoration:none}.logo{display:flex;align-items:center;gap:.75rem}.logo-icon{width:32px;height:32px;color:var(--navy-primary)}.logo-text{font-family:var(--font-display);font-size:1.375rem;font-weight:600;color:var(--navy-primary);letter-spacing:-.02em}.nav-links{display:flex;align-items:center;gap:2rem}.nav-link{color:var(--text-secondary);text-decoration:none;font-weight:500;font-size:.9375rem;transition:color .2s ease;position:relative}.nav-link:hover{color:var(--navy-primary);text-decoration:none}.nav-link:after{content:"";position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--accent-primary);transition:width .2s ease}.nav-link:hover:after{width:100%}.user-menu{display:flex;align-items:center;gap:1rem}.user-email{color:var(--text-secondary);font-size:.875rem;font-weight:500}.btn-logout{background:transparent;border:1px solid var(--border-default);color:var(--text-secondary);padding:.5rem 1rem;border-radius:var(--radius-md);font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s ease}.btn-logout:hover{background:var(--surface-elevated);color:var(--navy-primary);border-color:var(--navy-primary)}.header-content .btn-primary{background:var(--accent-primary);color:var(--text-on-accent);padding:.625rem 1.25rem;border-radius:var(--radius-md);font-weight:500;font-size:.9375rem;text-decoration:none;transition:all .2s ease;border:none;cursor:pointer}.header-content .btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:var(--shadow-md);text-decoration:none}.app-main{flex:1;display:flex;flex-direction:column;background:var(--surface-base)}@media(max-width:768px){.header-content{padding:0 1rem;height:64px}.nav-links{gap:1rem}.user-email{display:none}}.landing-page{flex:1;display:flex;flex-direction:column}.hero{position:relative;min-height:calc(100vh - 72px);display:flex;align-items:center;justify-content:center;overflow:hidden;background:var(--surface-base)}.hero-bg{position:absolute;inset:0;background:radial-gradient(ellipse 100% 60% at 50% -10%,var(--surface-section) 0%,transparent 60%)}.grid-overlay{position:absolute;inset:0;background-image:linear-gradient(var(--border-subtle) 1px,transparent 1px),linear-gradient(90deg,var(--border-subtle) 1px,transparent 1px);background-size:80px 80px;opacity:.5;-webkit-mask-image:radial-gradient(ellipse 70% 70% at 50% 50%,black 20%,transparent 70%);mask-image:radial-gradient(ellipse 70% 70% at 50% 50%,black 20%,transparent 70%)}.hero-content{position:relative;text-align:center;padding:2rem;max-width:850px;animation:fadeInUp .8s ease-out}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.hero-title{font-family:var(--font-display);font-size:clamp(2.5rem,6vw,4rem);font-weight:500;line-height:1.1;letter-spacing:-.02em;margin:0 0 1.5rem;color:var(--navy-primary)}.hero-title .accent{background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-size:1.25rem;color:var(--text-secondary);line-height:1.7;margin:0 0 2.5rem;max-width:600px;margin-left:auto;margin-right:auto}.hero-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.btn-hero-primary{background:var(--accent-primary);color:var(--text-on-accent);padding:1rem 2rem;border-radius:var(--radius-md);font-weight:600;font-size:1rem;text-decoration:none;transition:all .2s ease;border:none}.btn-hero-primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:var(--shadow-lg);text-decoration:none}.btn-hero-secondary{background:var(--surface-base);color:var(--navy-primary);padding:1rem 2rem;border-radius:var(--radius-md);font-weight:500;font-size:1rem;text-decoration:none;border:1px solid var(--border-default);transition:all .2s ease}.btn-hero-secondary:hover{background:var(--surface-elevated);border-color:var(--navy-primary);text-decoration:none}.btn-hero-demo{background:linear-gradient(135deg,#10b981,#059669);color:#fff;padding:1rem 2rem;border-radius:var(--radius-md);font-weight:600;font-size:1rem;text-decoration:none;transition:all .2s ease;border:none;cursor:pointer;box-shadow:0 4px 14px #10b98163}.btn-hero-demo:hover:not(:disabled){background:linear-gradient(135deg,#059669,#047857);transform:translateY(-2px);box-shadow:0 6px 20px #10b98180}.btn-hero-demo:disabled{opacity:.7;cursor:not-allowed;transform:none}.demo-error{color:#dc2626;font-size:.875rem;margin-top:1rem;padding:.5rem 1rem;background:#fef2f2;border-radius:var(--radius-sm);border:1px solid #fecaca}.features{padding:6rem 2rem;background:var(--surface-section)}.features-header{text-align:center;margin-bottom:4rem}.features-header h2{font-size:2.25rem;color:var(--navy-primary);margin-bottom:1rem}.features-header p{color:var(--text-secondary);font-size:1.125rem;max-width:600px;margin:0 auto}.features-grid{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}.feature-card{background:var(--surface-base);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:2rem;transition:all .25s ease;box-shadow:var(--shadow-sm)}.feature-card:hover{border-color:var(--accent-primary);transform:translateY(-4px);box-shadow:var(--shadow-lg)}.feature-icon{width:56px;height:56px;margin-bottom:1.5rem;color:var(--accent-primary);background:var(--accent-light);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;padding:.875rem}.feature-icon svg{width:100%;height:100%}.feature-card h3{font-family:var(--font-display);font-size:1.25rem;font-weight:500;margin:0 0 .75rem;color:var(--navy-primary)}.feature-card p{color:var(--text-secondary);line-height:1.7;margin:0}.stats{padding:4rem 2rem;background:var(--surface-base)}.stats-grid{max-width:1000px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:2rem;text-align:center}.stat-item{padding:1rem}.stat-value{display:block;font-size:2.5rem;font-weight:600;color:var(--navy-primary);margin-bottom:.5rem}.stat-label{display:block;color:var(--text-secondary);font-size:.9rem}.landing-footer{padding:2rem;text-align:center;color:var(--text-muted);font-size:.875rem;border-top:1px solid var(--border-subtle);background:var(--surface-base)}.landing-footer p{margin:0}@media(max-width:768px){.hero-title{font-size:2.25rem}.hero-subtitle{font-size:1.1rem}.hero-actions{flex-direction:column;align-items:center}.btn-hero-primary,.btn-hero-secondary,.btn-hero-demo{width:100%;max-width:280px}.features{padding:4rem 1.5rem}.features-grid{grid-template-columns:1fr}}.auth-page{flex:1;display:flex;align-items:center;justify-content:center;padding:2rem;background:radial-gradient(ellipse 80% 50% at 50% -20%,var(--surface-section) 0%,transparent 60%),var(--surface-base);min-height:calc(100vh - 72px)}.auth-container{width:100%;max-width:420px;animation:fadeIn .4s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.auth-header{text-align:center;margin-bottom:2rem}.auth-header h1{font-family:var(--font-display);font-size:1.875rem;font-weight:500;margin:0 0 .5rem;color:var(--navy-primary)}.auth-header p{color:var(--text-secondary);margin:0;font-size:1rem}.auth-header strong{color:var(--navy-primary);font-weight:500}.auth-form{background:var(--surface-base);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);padding:2rem;box-shadow:var(--shadow-lg)}.auth-error{background:var(--error-light);border:1px solid rgba(239,68,68,.3);color:var(--error);padding:.875rem 1rem;border-radius:var(--radius-md);margin-bottom:1.5rem;font-size:.9rem;font-weight:500}.form-group{margin-bottom:1.25rem}.form-group label{display:block;margin-bottom:.5rem;font-size:.9rem;font-weight:500;color:var(--navy-primary)}.form-group input{width:100%;padding:.875rem 1rem;border:1px solid var(--border-default);border-radius:var(--radius-md);background:var(--surface-base);color:var(--text-secondary);font-size:1rem;transition:all .2s ease;box-sizing:border-box}.form-group input::placeholder{color:var(--text-muted)}.form-group input:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-light)}.form-hint{display:block;margin-top:.375rem;font-size:.8rem;color:var(--text-muted)}.auth-submit{width:100%;padding:.875rem 1.5rem;background:var(--accent-primary);color:var(--text-on-accent);border:none;border-radius:var(--radius-md);font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease;margin-top:.5rem}.auth-submit:hover:not(:disabled){background:var(--accent-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.auth-submit:disabled{opacity:.6;cursor:not-allowed}.auth-footer{text-align:center;margin-top:1.5rem;color:var(--text-secondary);font-size:.9rem}.auth-footer a{color:var(--accent-secondary);text-decoration:none;font-weight:500}.auth-footer a:hover{color:var(--accent-primary);text-decoration:underline}.link-button{background:none;border:none;color:var(--accent-secondary);font:inherit;font-weight:500;cursor:pointer;padding:0}.link-button:hover{color:var(--accent-primary);text-decoration:underline}.auth-success{background:var(--success-light);border:1px solid rgba(34,197,94,.3);color:var(--success);padding:.875rem 1rem;border-radius:var(--radius-md);margin-bottom:1.5rem;font-size:.9rem;font-weight:500}.auth-footer-actions{display:flex;align-items:center;justify-content:center;gap:.75rem;margin-top:1.5rem;font-size:.9rem}.auth-footer-actions .divider{color:var(--text-muted)}.projects-page{max-width:1200px;margin:0 auto;padding:2.5rem 2rem;min-height:calc(100vh - 72px)}.projects-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:2.5rem;gap:1rem;flex-wrap:wrap}.projects-header h1{font-family:var(--font-display);font-size:2rem;font-weight:500;margin:0 0 .25rem;color:var(--navy-primary)}.projects-header p{color:var(--text-secondary);margin:0}.btn-new-project{display:flex;align-items:center;gap:.5rem;background:var(--accent-primary);color:var(--text-on-accent);padding:.75rem 1.5rem;border:none;border-radius:var(--radius-md);font-weight:600;font-size:.9375rem;cursor:pointer;transition:all .2s ease}.btn-new-project svg{width:18px;height:18px}.btn-new-project:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.empty-state{text-align:center;padding:5rem 2rem;background:var(--surface-elevated);border:2px dashed var(--border-default);border-radius:var(--radius-xl)}.empty-icon{width:72px;height:72px;margin:0 auto 1.5rem;color:var(--text-muted);opacity:.6}.empty-icon svg{width:100%;height:100%}.empty-state h2{font-family:var(--font-display);font-size:1.5rem;font-weight:500;margin:0 0 .5rem;color:var(--navy-primary)}.empty-state p{color:var(--text-secondary);margin:0 0 2rem;font-size:1rem}.empty-state .btn-primary{display:inline-flex;align-items:center;gap:.5rem;background:var(--accent-primary);color:var(--text-on-accent);padding:.875rem 1.75rem;border:none;border-radius:var(--radius-md);font-weight:600;font-size:1rem;cursor:pointer;transition:all .2s ease}.empty-state .btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem}.project-card{background:var(--surface-base);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);overflow:hidden;text-decoration:none;transition:all .25s ease;box-shadow:var(--shadow-sm)}.project-card:hover{border-color:var(--accent-primary);transform:translateY(-3px);box-shadow:var(--shadow-lg);text-decoration:none}.project-preview{height:160px;background:var(--surface-section);display:flex;align-items:center;justify-content:center;color:var(--navy-primary);opacity:.3}.project-preview svg{width:56px;height:56px}.project-info{padding:1.25rem 1.5rem}.project-info h3{font-family:var(--font-display);font-size:1.125rem;font-weight:500;margin:0 0 .375rem;color:var(--navy-primary)}.project-info p{font-size:.875rem;color:var(--text-secondary);margin:0}.add-card{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:220px;cursor:pointer;border-style:dashed;border-width:2px;background:transparent}.add-card:hover{border-color:var(--accent-primary);background:var(--accent-light)}.add-icon{width:48px;height:48px;margin-bottom:1rem;color:var(--text-muted);transition:color .2s ease}.add-icon svg{width:100%;height:100%}.add-card:hover .add-icon{color:var(--accent-primary)}.add-card span{color:var(--text-secondary);font-weight:500}.add-card:hover span{color:var(--accent-primary)}.modal-overlay{position:fixed;inset:0;background:#1b14644d;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:1rem;z-index:1000;animation:fadeIn .2s ease}.modal{background:var(--surface-base);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);width:100%;max-width:500px;overflow:hidden;animation:slideUp .3s ease;box-shadow:var(--shadow-lg)}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem 1.75rem;border-bottom:1px solid var(--border-subtle)}.modal-header h2{font-family:var(--font-display);font-size:1.25rem;font-weight:500;margin:0;color:var(--navy-primary)}.modal-close{width:36px;height:36px;background:transparent;border:none;color:var(--text-muted);cursor:pointer;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;transition:all .15s ease}.modal-close:hover{background:var(--surface-elevated);color:var(--navy-primary)}.modal-close svg{width:20px;height:20px}.upload-zone{position:relative;padding:3.5rem 2rem;text-align:center;border:2px dashed var(--border-default);border-radius:var(--radius-lg);margin:1.75rem;cursor:pointer;transition:all .2s ease;background:var(--surface-elevated)}.upload-zone:hover{border-color:var(--accent-primary);background:var(--accent-light)}.upload-zone input[type=file]{position:absolute;inset:0;opacity:0;cursor:pointer}.upload-icon{width:56px;height:56px;margin:0 auto 1.25rem;color:var(--accent-primary)}.upload-icon svg{width:100%;height:100%}.upload-text{font-size:1.0625rem;color:var(--navy-primary);margin:0 0 .5rem;font-weight:500}.upload-hint{font-size:.875rem;color:var(--text-muted);margin:0}.loading-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:4rem 2rem;gap:1rem}.loading-state p{color:var(--text-secondary);font-size:1rem}.error-banner{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.25rem;background:var(--error-light);border:1px solid rgba(239,68,68,.3);border-radius:var(--radius-md);margin-bottom:1.5rem}.error-banner p{color:var(--error);margin:0;font-weight:500}.error-banner button{background:var(--error);color:#fff;border:none;padding:.5rem 1rem;border-radius:var(--radius-sm);font-weight:500;cursor:pointer}.project-card{position:relative}.project-card-link{display:block;text-decoration:none;color:inherit}.project-card-link:hover{text-decoration:none}.btn-delete-site{position:absolute;top:.75rem;right:.75rem;width:32px;height:32px;background:var(--surface-base);border:1px solid var(--border-default);border-radius:var(--radius-sm);color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;transition:all .2s ease}.project-card:hover .btn-delete-site{opacity:1}.btn-delete-site:hover{background:var(--error-light);border-color:var(--error);color:var(--error)}.btn-delete-site svg{width:16px;height:16px}.upload-zone.dragging{border-color:var(--accent-primary);background:var(--accent-light)}.upload-zone.uploading{pointer-events:none}.upload-spinner{width:40px;height:40px;border:3px solid var(--surface-section);border-top-color:var(--accent-primary);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 1rem}.upload-error{background:var(--error-light);border:1px solid rgba(239,68,68,.3);color:var(--error);padding:.875rem 1.25rem;margin:0 1.75rem;border-radius:var(--radius-md);font-size:.9rem;font-weight:500}@media(max-width:768px){.projects-page{padding:1.5rem 1rem}.projects-header{flex-direction:column;align-items:stretch}.btn-new-project{justify-content:center}.projects-grid{grid-template-columns:1fr}.btn-delete-site{opacity:1}}.leaflet-draw-section{position:relative}.leaflet-draw-toolbar{margin-top:12px}.leaflet-draw-toolbar-top{margin-top:0}.leaflet-draw-toolbar-notop a:first-child{border-top-right-radius:0}.leaflet-draw-toolbar-nobottom a:last-child{border-bottom-right-radius:0}.leaflet-draw-toolbar 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