.dashboard-container{display:flex;height:100vh;font-family:Arial,sans-serif;background-color:#f9f9f9}.header{background-color:#5a6ea0;color:#fff;text-align:center;padding:10px 0;font-size:1.2rem;font-weight:700;letter-spacing:1.5px;border-radius:0 0 10px 10px;box-shadow:0 2px 8px #00000026;-webkit-user-select:none;user-select:none;margin-bottom:15px}.sidebar{width:200px;background-color:#7a86d6;color:#fff;display:flex;flex-direction:column;padding:15px;box-sizing:border-box}.sidebar-title{font-weight:700;font-size:18px;margin-bottom:30px;text-align:center}.sidebar-nav ul{list-style:none;padding:0}.sidebar-nav ul li{padding:12px 10px;cursor:pointer;font-weight:600;margin-bottom:10px;border-radius:4px}.sidebar-nav ul li.active,.sidebar-nav ul li:hover{background-color:#5a63b8}.main-content{flex:1;display:flex;flex-direction:column;padding:10px 20px;background-color:#fafafa}.header{display:flex;justify-content:space-between;align-items:center;background-color:#7a86d6;color:#fff;padding:5px 10px;font-weight:700;font-size:20px;border-radius:4px;margin-bottom:10px}.dark-mode-toggle{background:none;border:none;font-size:24px;cursor:pointer;color:#fff}.welcome-section h2{font-weight:700;font-size:1.4rem;margin-bottom:5px}.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;flex:1}.card{background-color:#fff;border-radius:10px;padding:15px;box-shadow:0 2px 8px #0000001a}.card.attendance-card{background:linear-gradient(135deg,#6a11cb,#2575fc);border-radius:15px;padding:20px;box-shadow:0 8px 20px #2575fc66;color:#fff;transition:transform .3s ease,box-shadow .3s ease}.card.attendance-card:hover{transform:translateY(-8px);box-shadow:0 12px 30px #2575fc99}.card.attendance-card h3{font-weight:700;font-size:1.2rem;margin-bottom:15px;letter-spacing:1.2px;text-shadow:0 1px 3px rgba(0,0,0,.3)}.card.attendance-card .circle-progress{background:linear-gradient(#fff,#f0f0f0) padding-box,linear-gradient(45deg,#4caf50,#66bb6a) border-box;border:5px solid transparent;color:#4caf50}.card.attendance-card .status,.card.attendance-card .classes,.card.attendance-card .semester{color:#d0f0c0;text-shadow:0 1px 2px rgba(0,0,0,.3);font-size:.9rem}.card.exam-score-card{background:linear-gradient(135deg,#fa709a,#fee140);border-radius:15px;padding:20px;box-shadow:0 8px 20px #fa709a66;color:#fff;transition:transform .3s ease,box-shadow .3s ease}.card.exam-score-card:hover{transform:translateY(-8px);box-shadow:0 12px 30px #fa709a99}.card.exam-score-card h3{font-weight:700;font-size:1.2rem;margin-bottom:15px;letter-spacing:1.2px;text-shadow:0 1px 3px rgba(0,0,0,.3)}.card.exam-score-card .cgpa,.card.exam-score-card .percentage,.card.exam-score-card .semester{color:#ffebee;text-shadow:0 1px 2px rgba(0,0,0,.3);font-size:.9rem}.card.study-statistics-card{background:linear-gradient(135deg,#a8edea,#fed6e3);border-radius:15px;padding:20px;box-shadow:0 8px 20px #a8edea66;color:#333;transition:transform .3s ease,box-shadow .3s ease;display:flex;flex-direction:column;gap:15px}.card.study-statistics-card:hover{transform:translateY(-8px);box-shadow:0 12px 30px #a8edea99}.card.study-goals-card{background:linear-gradient(135deg,#a8edea,#fed6e3);border-radius:15px;padding:20px;box-shadow:0 8px 20px #a8edea66;color:#333;transition:transform .3s ease,box-shadow .3s ease}.card.study-goals-card:hover{transform:translateY(-8px);box-shadow:0 12px 30px #a8edea99}.card.study-goals-card h3{font-weight:700;font-size:1.2rem;margin-bottom:15px;letter-spacing:1.2px;color:#333}.stat-item{display:flex;align-items:center;justify-content:space-between;padding:12px 0;margin-bottom:8px}.stat-item span{font-weight:600;color:#333;font-size:.95rem}.progress-bar{flex:1;height:14px;background-color:#f0f0f0;border-radius:7px;overflow:hidden;margin:0 10px;box-shadow:inset 0 1px 3px #0000001a}.progress{height:100%;background:linear-gradient(90deg,#4caf50,#81c784);border-radius:7px 0 0 7px;transition:width .3s ease}.stat-value{font-weight:700;color:#2e7d32;min-width:60px;text-align:right;font-size:.95rem}.card.study-statistics-card h3{font-weight:700;font-size:1.2rem;margin-bottom:15px;letter-spacing:1.2px;color:#333}.card.study-statistics-card p{margin:5px 0;color:#555;font-size:.9rem}.card h3{font-weight:700;font-size:1rem;margin-bottom:10px}.circle-progress{width:70px;height:70px;border-radius:50%;border:5px solid transparent;background:linear-gradient(#fff,#f0f0f0) padding-box,linear-gradient(45deg,#ddd,#bbb) border-box;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:20px;margin:0 auto 8px;position:relative;box-shadow:0 4px 8px #0003;transition:transform .3s ease,box-shadow .3s ease}.circle-progress.green{background:linear-gradient(#fff,#f0f0f0) padding-box,linear-gradient(45deg,#4caf50,#66bb6a) border-box;color:#4caf50}.circle-progress.red{background:linear-gradient(#fff,#f0f0f0) padding-box,linear-gradient(45deg,#f44336,#ef5350) border-box;color:#f44336}.status,.cgpa,.percentage,.semester,.classes{text-align:center;margin:2px 0;font-weight:600;color:#4caf50}.cgpa,.percentage{color:#f44336}.study-statistics-card p{margin:5px 0}.weekly-hours{display:flex;justify-content:space-between;margin-top:10px}.weekly-hours div{background:linear-gradient(135deg,#74b9ff,#0984e3);color:#fff;padding:4px 8px;border-radius:5px;font-weight:700;font-size:12px;text-align:center;min-width:30px;box-shadow:0 2px 4px #0003;transition:transform .2s ease}.weekly-hours div:hover{transform:scale(1.05)}.study-goals-card .goal{margin-bottom:15px}.progress-bar{width:100%;height:12px;background-color:#ddd;border-radius:6px;overflow:hidden;margin:5px 0 8px}.progress-bar .progress{height:100%;background-color:#4caf50;border-radius:6px 0 0 6px}.upcoming-deadlines-card ul{list-style:none;padding:0;margin:0}.upcoming-deadlines-card li{background-color:#f9f9f9;padding:10px 15px;margin-bottom:10px;border-radius:6px;display:flex;align-items:center;font-weight:600;color:#333}.upcoming-deadlines-card li.urgent{background-color:#ffe6e6;border-left:5px solid #f44336;color:#f44336}.upcoming-deadlines-card li small{margin-left:auto;font-weight:400;font-size:12px;color:#666}.course-progress-card .course{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.course-progress-card progress{width:60%;height:12px;border-radius:6px;overflow:hidden;appearance:none}.course-progress-card progress::-webkit-progress-bar{background-color:#ddd;border-radius:6px}.course-progress-card progress::-webkit-progress-value{background-color:#4caf50;border-radius:6px}.grade-trends-card p{background:linear-gradient(90deg,#e3f2fd,#f3e5f5);padding:8px 12px;border-radius:8px;margin:6px 0;font-weight:600;color:#333;box-shadow:0 2px 4px #0000001a}.card.course-progress-card{border-radius:15px;padding:20px;box-shadow:0 8px 20px #0000001a;transition:transform .3s ease,box-shadow .3s ease}.card.course-progress-card:hover{transform:translateY(-8px);box-shadow:0 12px 30px #0003}.card.grade-trends-card{border-radius:15px;padding:20px;box-shadow:0 8px 20px #0000001a;transition:transform .3s ease,box-shadow .3s ease}.card.grade-trends-card:hover{transform:translateY(-8px);box-shadow:0 12px 30px #0003}.study-statistics-card{padding:15px;background-color:#fff;border-radius:10px;box-shadow:0 2px 8px #0000001a}.chart-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.chart-header h3{font-weight:700;font-size:1.1rem;color:#333}.view-toggle button{background-color:#e0f2f1;border:none;padding:5px 10px;margin-left:5px;border-radius:4px;cursor:pointer;font-weight:600;color:#00796b;transition:background-color .3s ease}.view-toggle button.active,.view-toggle button:hover{background-color:#00796b;color:#fff}.bar-chart{display:flex;justify-content:space-between;align-items:flex-end;height:150px;padding:0 5px}.bar-container{display:flex;flex-direction:column;align-items:center;width:30px}.bar-label-hours{font-size:.75rem;margin-bottom:4px;color:#00796b;font-weight:600}.bar{width:100%;background:linear-gradient(180deg,#a5d6a7,#388e3c);border-radius:4px 4px 0 0;transition:background .3s ease}.bar:hover{background:linear-gradient(180deg,#81c784,#2e7d32)}.bar-label{margin-top:4px;font-size:.75rem;color:#004d40;font-weight:600}.circle-progress:hover{transform:scale(1.05);box-shadow:0 6px 12px #0000004d}.chart-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.view-toggle button{background:#ddd;border:none;padding:5px 10px;margin:0 5px;cursor:pointer;border-radius:5px;font-weight:600}.view-toggle button.active{background:#007bff;color:#fff}.bar-chart{display:flex;justify-content:space-between;height:150px;align-items:end;margin-top:10px}.bar-container{display:flex;flex-direction:column;align-items:center;flex:1}.bar{width:30px;background:linear-gradient(to top,#007bff,#39f);border-radius:5px 5px 0 0;transition:height .3s ease;position:relative}.bar.current{background:linear-gradient(to top,#ff9800,#ffb74d)}.bar-label{margin-top:5px;font-size:12px;font-weight:600;color:#333}.bar-label-hours{background-color:#4caf50;color:#fff;font-weight:600;font-size:12px;padding:2px 6px;border-radius:4px;margin-bottom:5px;-webkit-user-select:none;user-select:none}.todo-container{background:linear-gradient(135deg,#667eea,#764ba2);padding:20px;height:100vh;width:100vw;color:#fff;position:relative;overflow:hidden;animation:fadeIn .5s ease-in-out;display:flex;flex-direction:column;align-items:center;justify-content:flex-start}.content-wrapper{display:flex;gap:40px;width:100%;max-width:1200px;flex:1;overflow:hidden}.todo-section{flex:1;display:flex;flex-direction:column}.todo-container:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.1) 0%,transparent 70%);animation:rotate 20s linear infinite;pointer-events:none}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.todo-title{text-align:center;margin-bottom:30px;font-size:28px;font-weight:700;background:linear-gradient(45deg,#fff,#e0e7ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;position:relative;display:flex;align-items:center;justify-content:center;gap:10px}.todo-title:before{content:"📝";font-size:32px;animation:bounce 2s infinite}@keyframes bounce{0%,20%,50%,80%,to{transform:translateY(0)}40%{transform:translateY(-10px)}60%{transform:translateY(-5px)}}.input-section{display:flex;justify-content:space-between;margin-bottom:30px;gap:10px}.todo-input{flex:1;padding:15px;font-size:18px;border-radius:10px;border:none;outline:none;background-color:#ffffffe6;color:#333;transition:all .3s ease;box-shadow:0 4px 15px #0000001a}.todo-input:focus{background-color:#fff;box-shadow:0 0 20px #667eea80;transform:scale(1.02)}.todo-input::placeholder{color:#999;font-style:italic}.add-btn{padding:15px 25px;font-size:18px;background:linear-gradient(45deg,#00d4aa,#007bff);color:#fff;border:none;border-radius:10px;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #00d4aa4d;font-weight:700}.add-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #00d4aa66}.add-btn:active{transform:translateY(0)}.todo-list{list-style:none;padding:0;margin:0}.todo-item{display:flex;justify-content:space-between;align-items:center;padding:15px 20px;border-bottom:1px solid rgba(255,255,255,.2);cursor:pointer;background-color:#ffffff1a;border-radius:10px;margin-bottom:10px;transition:all .3s ease;box-shadow:0 2px 10px #0000001a}.todo-item:hover{background-color:#fff3;transform:translate(5px)}.todo-item.completed{text-decoration:line-through;color:#b0e0e6;opacity:.7;background-color:#b0e0e633;animation:strikeThrough .5s ease}@keyframes strikeThrough{0%{opacity:1}to{opacity:.7}}.todo-text{flex:1;font-size:18px;transition:all .3s ease}.delete-btn{background:linear-gradient(45deg,#ff6b6b,#ee5a24);color:#fff;border:none;border-radius:8px;padding:8px 15px;cursor:pointer;transition:all .3s ease;font-weight:700;box-shadow:0 2px 10px #ff6b6b4d}.delete-btn:hover{transform:scale(1.05);box-shadow:0 4px 15px #ff6b6b66}.delete-btn:active{transform:scale(.95)}.calendar-container{background:#ffffff1a;padding:30px;border-radius:10px;box-shadow:0 5px 15px #0003;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);width:100%;max-width:400px;flex:1}.calendar-title{text-align:center;margin-bottom:20px;font-size:20px;font-weight:700}.calendar-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.calendar-header h4{margin:0;font-size:18px}.nav-btn{background:#fff3;border:none;color:#fff;font-size:18px;padding:5px 10px;border-radius:5px;cursor:pointer;transition:all .3s ease}.nav-btn:hover{background:#ffffff4d}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:5px}.calendar-day{background:#ffffff1a;padding:15px;text-align:center;border-radius:5px;transition:all .3s ease;font-size:16px;cursor:pointer;position:relative}.calendar-day:hover{background:#fff3;transform:scale(1.1)}.day-note{position:absolute;bottom:2px;right:2px;color:#ff6b6b;font-size:12px}.note-input-section{margin-top:20px;display:flex;gap:10px;align-items:center}.note-input{flex:1;padding:10px;border-radius:5px;border:none;outline:none;background-color:#ffffffe6;color:#333;font-size:14px}.save-note-btn{padding:10px 15px;background:linear-gradient(45deg,#00d4aa,#007bff);color:#fff;border:none;border-radius:5px;cursor:pointer;font-weight:700;transition:all .3s ease}.save-note-btn:hover{transform:translateY(-2px);box-shadow:0 4px 15px #00d4aa4d}@media (max-width: 600px){.todo-container{min-width:300px;padding:20px}.todo-title{font-size:24px}.input-section{flex-direction:column}.add-btn{width:100%}.content-wrapper{flex-direction:column;gap:20px}.calendar-container{max-width:100%}.calendar-grid{grid-template-columns:repeat(7,1fr)}}.container{height:100vh;display:flex;justify-content:center;align-items:center;background:linear-gradient(135deg,#3b82f6,#9333ea);font-family:Arial,sans-serif;margin:-20px;padding:0}.card{background:#fff;padding:40px;border-radius:12px;width:320px;text-align:center;box-shadow:0 4px 15px #0000001a;margin:20px}.title{margin-bottom:25px;font-size:24px;font-weight:700;color:#000}.form{display:flex;flex-direction:column}.input{width:100%;padding:10px;margin-bottom:18px;border:none;border-bottom:1px solid #666;outline:none;font-size:14px;color:#333}.input::placeholder{color:#666;opacity:1}.input:focus{border-bottom:1px solid #3b82f6}.button{width:100%;padding:12px;background:linear-gradient(90deg,#3b82f6,#9333ea);border:none;border-radius:6px;color:#fff;font-size:16px;cursor:pointer;transition:.3s}.button:hover{opacity:.9}.links{margin-top:20px;font-size:13px}.links a{color:#3b82f6;text-decoration:none}.links a:hover{text-decoration:underline}.links span{font-weight:700}.app-container{display:flex;height:100vh;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}.main-content{padding:20px;overflow-y:auto;flex-grow:1;background:#f9f9f9}html,body{margin:0;padding:0;height:100%;background-color:#f9f9f9;box-sizing:border-box}
