:root{--primary-color: #2e7d32;--primary-dark: #1b5e20;--primary-light: #4caf50;--secondary-color: #ff9800;--background-color: #f5f5f5;--card-background: #ffffff;--text-primary: #212121;--text-secondary: #757575;--error-color: #d32f2f;--success-color: #388e3c;--warning-color: #f57c00;--border-color: #e0e0e0;--shadow: 0 2px 8px rgba(0, 0, 0, .1);--shadow-hover: 0 4px 16px rgba(0, 0, 0, .15)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background-color:var(--background-color);color:var(--text-primary);line-height:1.6}.app{min-height:100vh;display:flex;flex-direction:column}.container{max-width:1200px;margin:0 auto;padding:0 20px}.navbar{background-color:var(--primary-color);color:#fff;padding:1rem 0;box-shadow:var(--shadow);position:sticky;top:0;z-index:1000}.navbar-content{display:flex;justify-content:space-between;align-items:center}.navbar-brand{font-size:1.5rem;font-weight:700;color:#fff;text-decoration:none;display:flex;align-items:center;gap:.5rem}.navbar-links{display:flex;gap:1rem;align-items:center}.navbar-link{color:#fff;text-decoration:none;padding:.5rem 1rem;border-radius:4px;transition:background-color .2s}.navbar-link:hover{background-color:#ffffff1a}.btn{padding:.75rem 1.5rem;border:none;border-radius:4px;font-size:1rem;cursor:pointer;transition:all .2s;font-weight:500}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:var(--primary-dark)}.btn-secondary{background-color:var(--secondary-color);color:#fff}.btn-outline{background-color:transparent;border:2px solid var(--primary-color);color:var(--primary-color)}.btn-outline:hover{background-color:var(--primary-color);color:#fff}.btn-danger{background-color:var(--error-color);color:#fff}.btn-small{padding:.5rem 1rem;font-size:.875rem}.card{background-color:var(--card-background);border-radius:8px;box-shadow:var(--shadow);padding:1.5rem;margin-bottom:1rem}.card-title{font-size:1.25rem;margin-bottom:1rem;color:var(--text-primary)}.form-group{margin-bottom:1rem}.form-label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text-primary)}.form-input{width:100%;padding:.75rem;border:1px solid var(--border-color);border-radius:4px;font-size:1rem;transition:border-color .2s}.form-input:focus{outline:none;border-color:var(--primary-color)}.form-select{width:100%;padding:.75rem;border:1px solid var(--border-color);border-radius:4px;font-size:1rem;background-color:#fff}.auth-container{max-width:400px;margin:2rem auto;padding:2rem}.auth-card{background-color:var(--card-background);border-radius:8px;box-shadow:var(--shadow);padding:2rem}.auth-title{text-align:center;margin-bottom:1.5rem;color:var(--primary-color)}.auth-footer{text-align:center;margin-top:1rem;color:var(--text-secondary)}.auth-footer a{color:var(--primary-color);text-decoration:none;font-weight:500}.upload-container{max-width:600px;margin:2rem auto}.upload-area{border:2px dashed var(--border-color);border-radius:8px;padding:3rem;text-align:center;cursor:pointer;transition:all .2s;background-color:var(--card-background)}.upload-area:hover{border-color:var(--primary-color);background-color:#2e7d320d}.upload-area.dragging{border-color:var(--primary-color);background-color:#2e7d321a}.upload-icon{font-size:4rem;color:var(--text-secondary);margin-bottom:1rem}.upload-text{color:var(--text-secondary);margin-bottom:1rem}.result-container{max-width:800px;margin:2rem auto}.result-card{background-color:var(--card-background);border-radius:8px;box-shadow:var(--shadow);overflow:hidden}.result-image{width:100%;height:300px;object-fit:cover}.result-content{padding:2rem}.result-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1.5rem}.result-disease{font-size:1.5rem;color:var(--primary-color);margin-bottom:.5rem}.result-crop{color:var(--text-secondary)}.confidence-badge{background-color:var(--primary-light);color:#fff;padding:.5rem 1rem;border-radius:20px;font-weight:600}.confidence-low{background-color:var(--success-color)}.confidence-medium{background-color:var(--warning-color)}.confidence-high{background-color:var(--error-color)}.treatment-section{margin-top:1.5rem;padding-top:1.5rem;border-top:1px solid var(--border-color)}.treatment-title{font-size:1.1rem;color:var(--text-primary);margin-bottom:1rem}.treatment-content{background-color:#f9f9f9;padding:1rem;border-radius:4px;margin-bottom:1rem}.treatment-label{font-weight:600;color:var(--text-primary);margin-bottom:.5rem}.history-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;margin-top:1.5rem}.history-card{background-color:var(--card-background);border-radius:8px;box-shadow:var(--shadow);overflow:hidden;transition:transform .2s,box-shadow .2s}.history-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}.history-image{width:100%;height:180px;object-fit:cover}.history-content{padding:1rem}.history-date{color:var(--text-secondary);font-size:.875rem;margin-bottom:.5rem}.history-disease{color:var(--text-primary);font-weight:600;margin-bottom:.25rem}.history-confidence{color:var(--primary-color);font-size:.875rem}.admin-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:2rem}.stat-card{background-color:var(--card-background);border-radius:8px;box-shadow:var(--shadow);padding:1.5rem;text-align:center}.stat-value{font-size:2.5rem;font-weight:700;color:var(--primary-color);margin-bottom:.5rem}.stat-label{color:var(--text-secondary)}.language-selector{display:flex;gap:.5rem}.language-btn{background:none;border:1px solid rgba(255,255,255,.3);color:#fff;padding:.25rem .5rem;border-radius:4px;cursor:pointer;font-size:.75rem}.language-btn.active{background-color:#fff;color:var(--primary-color)}.loading-screen{display:flex;justify-content:center;align-items:center;height:100vh;font-size:1.25rem;color:var(--text-secondary)}.page-title{font-size:2rem;margin-bottom:1.5rem;color:var(--text-primary)}.alert{padding:1rem;border-radius:4px;margin-bottom:1rem}.alert-error{background-color:#ffebee;color:var(--error-color);border:1px solid var(--error-color)}.alert-success{background-color:#e8f5e9;color:var(--success-color);border:1px solid var(--success-color)}.loading-spinner{display:inline-block;width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}.hero{background:linear-gradient(135deg,var(--primary-color),var(--primary-dark));color:#fff;padding:4rem 2rem;text-align:center;border-radius:8px;margin-bottom:2rem}.hero-title{font-size:2.5rem;margin-bottom:1rem}.hero-subtitle{font-size:1.25rem;opacity:.9;margin-bottom:2rem}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;margin:2rem 0}.feature-card{background-color:var(--card-background);border-radius:8px;box-shadow:var(--shadow);padding:1.5rem;text-align:center}.feature-icon{font-size:3rem;margin-bottom:1rem}.feature-title{font-size:1.25rem;margin-bottom:.5rem;color:var(--primary-color)}.feature-text{color:var(--text-secondary)}.footer{background-color:var(--text-primary);color:#fff;padding:2rem 0;text-align:center;margin-top:auto}@media (max-width: 768px){.navbar-content{flex-direction:column;gap:1rem}.navbar-links{flex-wrap:wrap;justify-content:center}.hero-title{font-size:1.75rem}.result-header{flex-direction:column;gap:1rem}}