.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(to bottom right,#f9fafb,#f3f4f6);font-family:Inter,sans-serif;padding:1rem}.auth-card{background:#fff;border-radius:16px;padding:2.5rem;width:100%;max-width:420px;box-shadow:0 8px 20px #00000014;transition:all .3s ease}.auth-header{text-align:center;margin-bottom:1.5rem}.auth-logo{display:inline-block;background-color:#111827;color:#fff;padding:.5rem .75rem;border-radius:12px;font-size:1.25rem;margin-bottom:.5rem}.auth-title{font-size:1.6rem;font-weight:600;color:#1f2937}.auth-subtitle{color:#6b7280;font-size:.9rem}.auth-tabs{display:flex;background-color:#f3f4f6;border-radius:12px;padding:4px;margin-bottom:1.5rem}.tab-button{flex:1;padding:.6rem 0;border:none;border-radius:8px;background:transparent;color:#6b7280;font-weight:500;cursor:pointer;transition:all .2s ease-in-out}.tab-button.active{background-color:#fff;color:#111827;box-shadow:0 2px 6px #0000001a}.auth-form{display:flex;flex-direction:column;gap:1rem}.form-group{display:flex;flex-direction:column}.form-group label{font-size:.9rem;color:#4b5563;margin-bottom:4px}.form-group input{padding:.6rem .8rem;border-radius:8px;border:1px solid #d1d5db;font-size:.95rem;outline:none;transition:all .2s}.form-group input:focus{border-color:#111827;box-shadow:0 0 0 2px #11182733}.forgot-password{text-align:right}.forgot-password a{color:#4b5563;font-size:.85rem;text-decoration:none}.forgot-password a:hover{color:#111827}.submit-button{background-color:#111827;color:#fff;border:none;padding:.75rem;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:background-color .2s ease-in-out,transform .2s}.submit-button:hover{background-color:#1f2937;transform:translateY(-2px)}@media(max-width:768px){.auth-card{padding:2rem;max-width:90%}.auth-title{font-size:1.4rem}.auth-subtitle{font-size:.85rem}.submit-button{font-size:.95rem}}@media(max-width:480px){.auth-card{padding:1.5rem;border-radius:12px}.auth-logo{font-size:1.1rem}.auth-title{font-size:1.3rem}.tab-button{font-size:.9rem;padding:.5rem 0}.form-group input{font-size:.9rem;padding:.5rem .7rem}}.navbar{display:flex;align-items:center;padding:.5rem 1.5rem;background:var(--light-bg);border-radius:0;box-shadow:0 1px 4px #0000000d;margin:0}.navbar-main{display:flex;justify-content:space-between;align-items:center;width:100%;gap:1rem}.navbar-main h2{margin:0;font-size:1.2rem;font-weight:600;color:var(--text-color);white-space:nowrap}.navbar-right{display:flex;position:relative;align-items:center;gap:1rem}.user-icon{width:32px;height:32px;border-radius:50%;background:#333;color:#fff;display:flex;justify-content:center;align-items:center;font-weight:700}.user-dropdown{position:absolute;top:calc(100% + 10px);right:0;background-color:#fff;border:1px solid #e0e0e0;border-radius:8px;box-shadow:0 4px 12px #0000001a;width:240px;z-index:100;overflow:hidden;display:flex;flex-direction:column;animation:fadeIn .2s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:translateY(0)}}.user-info{padding:16px;border-bottom:1px solid #eee}.user-name{font-weight:600;color:#333;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-email{font-size:.85rem;color:#666;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.logout-button{background:none;border:none;padding:12px 16px;text-align:left;width:100%;cursor:pointer;color:#d9534f;font-weight:500;font-size:.9rem;transition:background-color .2s}.logout-button:hover{background-color:#f9f9f9}@media(max-width:768px){.navbar{padding:.8rem 1rem;margin:0}.navbar-main h2{font-size:1.1rem}}@media(max-width:480px){.navbar{padding:.8rem .5rem}.navbar-main{gap:.5rem}.navbar-main h2{font-size:1rem}.user-dropdown{max-width:calc(100vw - 2rem)}}.dashboard{padding:1.5rem;color:var(--text-color)}.dashboard-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.dashboard-header h2{margin-bottom:.3rem;font-size:1.8rem}.dashboard-header p{color:var(--text-color);opacity:.7;font-size:.9rem}.add-btn{background:var(--primary-color);color:#fff;border:none;border-radius:6px;padding:.5rem 1rem;font-size:.9rem;cursor:pointer}.add-btn:hover{opacity:.9;transition:.3s}.summary-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:2rem}.card{background:var(--bg-color);border:1px solid var(--border-color);border-radius:10px;padding:1rem;box-shadow:0 1px 3px #0000000d}.card span{font-size:.9rem;color:var(--text-color);opacity:.8}.card h3{margin-top:.4rem;font-size:1.3rem}.charts-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem}.chart-card{background:var(--bg-color);border:1px solid var(--border-color);border-radius:10px;padding:1rem;box-shadow:0 1px 3px #0000000d}.chart-card h4{margin-bottom:1rem}.no-data{text-align:center;color:var(--text-color);opacity:.6;font-size:.9rem;margin-top:2rem}@media(max-width:768px){.dashboard{padding:1rem}.dashboard-header{flex-direction:column;align-items:flex-start;gap:1rem}.dashboard-header h2{font-size:1.5rem}.summary-cards{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}}@media(max-width:480px){.summary-cards,.charts-container{grid-template-columns:1fr}}.modal{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000}.modal-content{background-color:#fff;padding:2rem;border-radius:8px;box-shadow:0 5px 15px #0000004d;width:90%;max-width:500px;animation:slide-down .3s ease-out}@keyframes slide-down{0%{transform:translateY(-20px);opacity:0}to{transform:translateY(0);opacity:1}}.modal-header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #eee;padding-bottom:1rem;margin-bottom:1rem}.modal-header h3{margin:0;font-size:1.5rem;color:#333}.close-btn{background:none;border:none;font-size:1.5rem;cursor:pointer;color:#888}.modal-form{display:flex;flex-direction:column;gap:1rem;justify-content:center;align-items:center}.modal-form input,.modal-form select,.modal-form textarea{width:100%;box-sizing:border-box;padding:.75rem;border:1px solid #ccc;border-radius:4px;font-size:1rem}.modal-form textarea{resize:vertical;min-height:100px}.modal-actions{display:flex;justify-content:flex-end;gap:1rem;margin-top:1.5rem}.modal-actions button{padding:.75rem 1.5rem;border-radius:4px;border:none;cursor:pointer;font-weight:700}.modal-actions .primary{background-color:#262728;color:#fff}.modal-actions .secondary{background-color:#f0f0f0;color:#333}@media(max-width:768px){.modal-content{padding:1.5rem;width:95%}.modal-header h3{font-size:1.25rem}.modal-form input,.modal-form select,.modal-form textarea{font-size:.95rem}.modal-actions{flex-direction:column-reverse;gap:.8rem;width:100%}}@media(max-width:480px){.modal-content{padding:1rem;width:95%}.modal-header h3{font-size:1.1rem}.modal-form{gap:.8rem}}.all-expenses{padding:1rem}.expenses-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.expenses-header h2{margin:0}.add-expense-btn{display:flex;align-items:center;gap:.5rem;background-color:#262728;color:#fff;border:none;border-radius:6px;padding:.6rem 1.2rem;font-size:1rem;cursor:pointer;transition:background-color .2s}.add-expense-btn:hover{background-color:#3a3b3c}.filters{display:flex;gap:1rem;margin-bottom:1.5rem}.filters input[type=text]{flex-grow:1;padding:.75rem;border:1px solid #ccc;border-radius:4px}.filter-dropdowns{display:flex;gap:1rem}.filter-dropdowns select{padding:.75rem;border:1px solid #ccc;border-radius:4px;background-color:#fff}.dropdown{position:relative;display:flex;align-items:center}.dropdown .icon{position:absolute;left:10px;color:#888}.dropdown select{padding-left:30px}.expense-list{display:flex;flex-direction:column;gap:1rem}.expense-item{display:flex;justify-content:space-between;align-items:center;background-color:#fff;padding:1rem;border-radius:8px;box-shadow:0 2px 4px #0000000d;border:1px solid #eee}.expense-right{display:flex;align-items:center;gap:1rem}.expense-edit{padding:.4rem .9rem;border:1px solid #d1d5db;border-radius:6px;background-color:#f9fafb;color:#374151;cursor:pointer;font-size:.85rem;font-weight:500;transition:background-color .2s ease-in-out}.expense-edit:hover{background-color:#f3f4f6}@media(max-width:768px){.expenses-header{flex-direction:column;align-items:flex-start;gap:1rem}.filters{flex-direction:column;align-items:stretch}.filter-dropdowns{justify-content:space-between}.filter-dropdowns select{flex-grow:1}.expense-item{flex-direction:column;align-items:flex-start;gap:.75rem}.expense-right{width:100%;justify-content:space-between}}@media(max-width:480px){.all-expenses{padding:.5rem}.expenses-header h2{font-size:1.5rem}.add-expense-btn{width:100%;justify-content:center}.filter-dropdowns{flex-direction:column;gap:.5rem}}:root{--primary-color: #0b0b14;--text-color: #222;--bg-color: #fff;--light-bg: #f8f9fc;--border-color: #ddd}.expense-tracker-page{background:var(--light-bg);color:var(--text-color);min-height:100vh;display:flex;flex-direction:column}.page-content{flex-grow:1;padding:1rem}.tabs{display:flex;justify-content:space-around;margin:1rem auto;background-color:var(--light-bg);padding:.3rem;border-radius:10px;width:60%;box-shadow:0 2px 10px #0000001a}.tabs button{padding:.6rem 1.2rem;border:none;background:transparent;cursor:pointer;color:var(--text-color);font-weight:500;border-radius:7px;transition:background-color .3s,color .3s}.tabs button.active{background-color:#000;color:#fff}.floating-btn{background:var(--primary-color);color:#fff;border:none;border-radius:50%;width:60px;height:60px;position:fixed;bottom:25px;right:25px;font-size:1.5rem;cursor:pointer;display:flex;justify-content:center;align-items:center}.floating-btn:hover{background:#2c2c3a;transition:.3s}@media(max-width:768px){.tabs{width:95%}.tabs button{padding:.5rem .6rem;font-size:.9rem}.floating-btn{width:50px;height:50px;bottom:20px;right:20px;font-size:1.2rem}}