:root{--primary-color: #4361ee;--secondary-color: #3f37c9;--success-color: #4caf50;--danger-color: #f44336;--warning-color: #ff9800;--info-color: #2196f3;--light-color: #f8f9fa;--dark-color: #212529;--gray-color: #6c757d;--light-gray-color: #e9ecef;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-family);font-size:16px;line-height:1.5;color:var(--dark-color);background-color:#f4f7fb}a{color:var(--primary-color);text-decoration:none}button{cursor:pointer;font-family:var(--font-family);font-size:16px;padding:10px 16px;border-radius:4px;border:none;background-color:var(--primary-color);color:#fff;transition:background-color .2s ease}button:hover{background-color:var(--secondary-color)}button:disabled{background-color:var(--gray-color);cursor:not-allowed}input,textarea{font-family:var(--font-family);font-size:16px;padding:10px;border:1px solid var(--light-gray-color);border-radius:4px;width:100%}input:focus,textarea:focus{outline:none;border-color:var(--primary-color)}.dashboard-layout{display:flex;min-height:100vh}.main-content{flex:1;padding:24px;overflow-y:auto}.dashboard-navigation{width:280px;background-color:#fff;border-right:1px solid var(--light-gray-color);display:flex;flex-direction:column;height:100vh;position:sticky;top:0}.nav-brand{padding:24px}.nav-links{padding:24px 16px;flex:1}.nav-item{display:flex;align-items:center;padding:12px;margin-bottom:8px;border-radius:4px;color:var(--dark-color);transition:background-color .2s ease}.nav-item:hover{background-color:var(--light-gray-color)}.nav-item.active{background-color:var(--primary-color);color:#fff}.nav-icon{margin-right:12px;font-size:18px}.nav-footer{padding:16px;border-top:1px solid var(--light-gray-color)}.user-info{display:flex;align-items:center;margin-bottom:16px}.user-avatar{width:40px;height:40px;border-radius:50%;background-color:var(--primary-color);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;margin-right:12px}.user-details{flex:1;overflow:hidden}.user-name{font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-email{font-size:12px;color:var(--gray-color);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.logout-btn{width:100%;background-color:transparent;color:var(--dark-color);border:1px solid var(--light-gray-color)}.logout-btn:hover{background-color:var(--light-gray-color)}.auth-layout{min-height:100vh;display:flex;align-items:center;justify-content:center;background-color:#f4f7fb}.auth-container{width:100%;max-width:400px;padding:24px}.auth-logo{text-align:center;margin-bottom:24px}.auth-card{background-color:#fff;border-radius:8px;box-shadow:0 4px 6px #0000001a;padding:24px;margin-bottom:24px}.auth-footer{text-align:center;color:var(--gray-color);font-size:14px}.form-group{margin-bottom:16px}label{display:block;margin-bottom:8px;font-weight:500}.form-footer{margin-top:24px;text-align:center}.error-message{color:var(--danger-color);margin:8px 0}.success-message{color:var(--success-color);margin:8px 0}.dashboard-container{max-width:1200px;margin:0 auto}.dashboard-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.dashboard-stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:24px;margin-bottom:32px}.stat-card{background-color:#fff;border-radius:8px;box-shadow:0 2px 4px #0000000d;padding:24px}.stat-value{font-size:32px;font-weight:700;margin-top:8px}.recent-activity{background-color:#fff;border-radius:8px;box-shadow:0 2px 4px #0000000d;padding:24px;margin-bottom:32px}.activity-item{display:flex;align-items:center;padding:16px 0;border-bottom:1px solid var(--light-gray-color)}.activity-item:last-child{border-bottom:none}.activity-icon{width:40px;height:40px;border-radius:50%;background-color:var(--light-color);display:flex;align-items:center;justify-content:center;margin-right:16px}.activity-content{flex:1}.activity-title{font-weight:500}.activity-time{font-size:14px;color:var(--gray-color)}.no-data{text-align:center;padding:24px;color:var(--gray-color)}.profile-container{max-width:800px;margin:0 auto}.profile-info{background-color:#fff;border-radius:8px;box-shadow:0 2px 4px #0000000d;padding:24px;margin-top:24px}.avatar-section{display:flex;flex-direction:column;align-items:center;margin-bottom:24px}.avatar{width:120px;height:120px;border-radius:50%;background-color:var(--primary-color);color:#fff;display:flex;align-items:center;justify-content:center;font-size:36px;font-weight:700;margin-bottom:16px;background-size:cover;background-position:center}.change-avatar-btn{background-color:transparent;color:var(--primary-color);border:1px solid var(--primary-color)}.change-avatar-btn:hover{background-color:var(--light-color)}.settings-container{max-width:800px;margin:0 auto}.settings-section{background-color:#fff;border-radius:8px;box-shadow:0 2px 4px #0000000d;padding:24px;margin-top:24px}.setting-item{display:flex;justify-content:space-between;align-items:center;padding:16px 0;border-bottom:1px solid var(--light-gray-color)}.setting-item:last-child{border-bottom:none}.btn-danger{background-color:var(--danger-color)}.btn-danger:hover{background-color:#d32f2f}.btn-cancel{background-color:var(--light-color);color:var(--dark-color);border:1px solid var(--gray-color)}.btn-cancel:hover{background-color:var(--light-gray-color)}.toggle{position:relative;display:inline-block;width:52px;height:28px}.toggle input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:var(--gray-color);border-radius:28px;transition:.4s}.toggle-slider:before{position:absolute;content:"";height:20px;width:20px;left:4px;bottom:4px;background-color:#fff;border-radius:50%;transition:.4s}input:checked+.toggle-slider{background-color:var(--primary-color)}input:checked+.toggle-slider:before{transform:translate(24px)}.confirm-actions{display:flex;justify-content:flex-end;gap:16px;margin-top:24px}.change-password-form{margin-top:16px;padding:16px;background-color:var(--light-color);border-radius:4px}.form-actions{display:flex;justify-content:flex-end;gap:16px;margin-top:16px}.settings-saved-message{position:fixed;bottom:24px;right:24px;background-color:var(--success-color);color:#fff;padding:12px 24px;border-radius:4px;box-shadow:0 2px 10px #0003}.btn-save-settings{margin-top:24px;width:100%}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh}.loading-spinner{width:40px;height:40px;border:4px solid var(--light-gray-color);border-top:4px solid var(--primary-color);border-radius:50%;animation:spin 1s linear infinite;margin-bottom:16px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width: 768px){.dashboard-layout{flex-direction:column}.dashboard-navigation{width:100%;height:auto;position:static}.nav-links{display:flex;padding:16px;overflow-x:auto}.nav-item{flex-direction:column;margin-right:16px;margin-bottom:0;text-align:center}.nav-icon{margin-right:0;margin-bottom:4px}.dashboard-stats{grid-template-columns:1fr}}