:root{--background-color: #121212;--card-color: #1e1e1e;--text-primary: #e0e0e0;--text-secondary: #a0a0a0;--accent-green: #28a745;--accent-red: #dc3545;--border-color: #333}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;margin:0;background-color:var(--background-color);color:var(--text-primary)}#root{max-width:600px;margin:auto;padding:1rem 1rem 6rem}.auth-container{background-color:var(--card-color);padding:2rem;border-radius:16px;border:1px solid var(--border-color);box-shadow:0 8px 32px #0000004d;max-width:400px;margin:10vh auto;text-align:center;color:var(--text-primary)}.auth-container h1{margin-bottom:1.5rem;font-size:2rem;font-weight:600}.auth-container form{display:flex;flex-direction:column;gap:1rem}.auth-container input{padding:.75rem;border:1px solid var(--border-color);border-radius:8px;font-size:1rem;background-color:#333;color:var(--text-primary);transition:border-color .3s ease}.auth-container input:focus{outline:none;border-color:var(--accent-green)}.auth-container input::placeholder{color:var(--text-secondary)}.auth-container button{padding:.75rem;border:none;border-radius:8px;background-color:var(--accent-green);color:#fff;font-size:1rem;font-weight:600;cursor:pointer;transition:background-color .3s ease}.auth-container button:hover{background-color:#218838}.auth-container a{color:var(--accent-green);text-decoration:none;font-weight:500}.auth-container a:hover{text-decoration:underline}.auth-container p{color:var(--text-secondary);margin-top:1.5rem}.auth-container button:disabled{background-color:#666!important;cursor:not-allowed;opacity:.6}.auth-container input:disabled{background-color:#2a2a2a;cursor:not-allowed;opacity:.7}.dashboard-header{margin-bottom:2rem}.date-display{font-size:1rem;font-weight:600;color:var(--text-secondary)}.header-main{display:flex;justify-content:space-between;align-items:center;margin-top:.5rem}.header-main h1{font-size:1.75rem;margin:0}.header-actions{display:flex;gap:.75rem}.header-actions button{background:var(--card-color);border:1px solid var(--border-color);color:var(--text-primary);height:44px;border-radius:22px;font-size:1rem;font-weight:700;cursor:pointer;padding:0 1rem;display:inline-flex;align-items:center;justify-content:center;transition:background-color .3s ease}.header-actions button:first-child{background-color:var(--accent-red);border-color:var(--accent-red);color:#fff}.header-actions button:first-child:hover{background-color:#c82333}.header-actions button:last-child{width:44px;padding:0;border-radius:50%;font-size:1.5rem}.subject-card{background-color:var(--card-color);border-radius:16px;padding:1rem;margin-bottom:1.5rem;border:1px solid var(--border-color)}.card-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1rem;gap:1rem}.card-top-left{display:flex;flex-direction:column;justify-content:flex-start;flex:1}.card-top-left h2{margin:0 0 .5rem;font-size:1.5rem}.card-top-left p{margin:0;color:var(--text-secondary);font-size:.9rem}.card-top-left .stats{margin-bottom:8px}.card-top-left .stats p{margin:2px 0;color:var(--text-secondary)}.card-top-left .stats .number{font-weight:700;font-size:1em}.card-top-left p.status{font-weight:700;margin-top:8px;min-height:20px;display:flex;align-items:center}.card-top-left .requirement{font-size:.8rem;margin-top:8px;color:var(--text-secondary)}.progress-circle-container{position:relative;display:flex;align-items:center;justify-content:center;width:100px;height:100px}.progress-circle-container svg{overflow:visible}.progress-circle-progress{transform:rotate(-90deg);transform-origin:50% 50%;transition:stroke-dashoffset .5s ease-in-out}.progress-circle-progress[stroke="#28a745"]{filter:drop-shadow(0 0 6px rgba(40,167,69,.6))}.progress-circle-progress[stroke="#dc3545"]{filter:drop-shadow(0 0 6px rgba(220,53,69,.6))}.progress-circle-progress[stroke="#ffc107"]{filter:drop-shadow(0 0 6px rgba(255,193,7,.6))}.progress-circle-text{position:absolute;font-size:1.25rem;font-weight:700}.card-controls{display:flex;justify-content:space-between;align-items:center;padding-top:1rem;margin-top:1rem;border-top:1px solid var(--border-color)}.control-group{text-align:center}.control-group label{display:block;font-weight:600;color:var(--text-secondary);margin-bottom:.5rem}.control-group .buttons{display:flex;gap:.75rem}.control-group button{width:36px;height:36px;border-radius:50%;border:1px solid var(--border-color);background-color:#333;color:var(--text-primary);font-size:1.5rem;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;font-weight:700;transition:all .2s ease}.control-group .btn-inc{background-color:var(--accent-green);color:#fff;filter:drop-shadow(0 0 8px rgba(40,167,69,.7))}.control-group .btn-dec{background-color:var(--accent-red);color:#fff;filter:drop-shadow(0 0 8px rgba(220,53,69,.7))}.control-group .btn-dec:disabled{background-color:#333;color:#4a4a4a;cursor:not-allowed;filter:none;opacity:.5}.delete-btn{background-color:#dc354526;color:var(--accent-red);border:1px solid var(--accent-red);padding:.5rem 1.25rem;border-radius:20px;font-weight:700;cursor:pointer}.bottom-nav{position:fixed;bottom:0;left:0;right:0;max-width:600px;margin:auto;background-color:var(--card-color);border-top:1px solid var(--border-color);display:flex;justify-content:center;align-items:center;padding:.7rem 1rem;min-height:60px;box-shadow:0 -4px 20px #0000004d;z-index:1000}.nav-item.welcome-message-bar{display:flex;flex-direction:column;align-items:center;gap:2px;text-align:center}.nav-item.welcome-message-bar label{color:var(--accent-green);font-size:1rem;font-weight:600;margin:0;line-height:1.2}.nav-item.welcome-message-bar .tagline{font-size:.75rem;color:var(--text-secondary);margin:0;font-weight:400;letter-spacing:.5px;opacity:.8}.trash-btn{position:absolute;right:1rem;background:none;border:none;font-size:1.5rem;cursor:pointer;padding:.5rem;border-radius:8px;transition:all .3s ease;opacity:.7}.trash-btn:hover{opacity:1;background-color:#dc35451a;transform:scale(1.1)}.trash-btn:active{transform:scale(.95)}.modal-backdrop{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#000c;display:flex;justify-content:center;align-items:center;z-index:2000;padding:1rem}.modal-content{background-color:var(--card-color);border-radius:16px;padding:2rem;border:1px solid var(--border-color);box-shadow:0 8px 32px #00000080;max-width:500px;width:100%;text-align:left}.delete-modal h2{color:var(--accent-red);margin-bottom:1rem;font-size:1.5rem;font-weight:600;text-align:center}.delete-warning{color:var(--text-secondary);margin-bottom:1rem;line-height:1.6;text-align:center}.delete-modal p{text-align:center}.username-display-box{background-color:#333;color:var(--text-primary);padding:.2rem .6rem;border-radius:6px;font-family:SF Mono,Menlo,Consolas,Courier New,monospace;font-size:.9em;margin-left:.5rem;display:inline-block;vertical-align:middle}.delete-confirm-input{width:100%;padding:.75rem;border:2px solid var(--accent-red);border-radius:8px;background-color:#333;color:var(--text-primary);font-size:1rem;margin-top:1rem;margin-bottom:1.5rem;transition:border-color .3s ease,box-shadow .3s ease;box-sizing:border-box}.delete-confirm-input:focus{outline:none;border-color:var(--accent-red);box-shadow:0 0 0 3px #dc354533}.delete-confirm-input::placeholder{color:var(--text-secondary);font-style:italic}.modal-actions{display:flex;gap:1rem;justify-content:center}.cancel-btn{padding:.75rem 1.5rem;border:1px solid var(--border-color);border-radius:8px;background-color:#333;color:var(--text-primary);cursor:pointer;font-weight:600;transition:background-color .3s ease}.cancel-btn:hover:not(:disabled){background-color:#444}.cancel-btn:disabled{background-color:#2a2a2a;cursor:not-allowed;opacity:.7}.delete-account-btn{padding:.75rem 1.5rem;border:none;border-radius:8px;background-color:var(--accent-red);color:#fff;cursor:pointer;font-weight:600;transition:background-color .3s ease}.delete-account-btn:hover:not(:disabled){background-color:#c82333}.delete-account-btn:disabled{background-color:#666;cursor:not-allowed;opacity:.6}.add-subject-page{padding:1rem}.add-subject-header{display:flex;align-items:center;text-align:center;position:relative;margin-bottom:2rem}.add-subject-header h2{flex-grow:1;margin:0;color:var(--text-secondary);font-weight:500}.back-btn{position:absolute;left:0;background:none;border:none;color:var(--text-primary);font-size:2rem;cursor:pointer}.subject-name-input{width:100%;background:none;border:none;border-bottom:1px solid var(--border-color);color:var(--text-primary);font-size:2rem;text-align:center;padding:.5rem 0;margin-bottom:3rem}.subject-name-input:focus{outline:none;border-bottom-color:var(--accent-green)}.stepper-grid{display:flex;justify-content:space-around;margin-bottom:4rem}.stepper{text-align:center}.stepper button{background:#2a2a2a;border:1px solid #444;cursor:pointer;width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:.5rem auto;transition:all .2s ease}.stepper button:first-child:not(:disabled){color:var(--accent-green);filter:drop-shadow(0 0 8px rgba(40,167,69,.7))}.stepper button:last-child:not(:disabled){color:var(--accent-red);filter:drop-shadow(0 0 8px rgba(220,53,69,.7))}.stepper button:disabled{color:#4a4a4a;background:#222;cursor:not-allowed;filter:none}.stepper .stepper-value{font-size:2.5rem;font-weight:700;margin:.5rem 0}.stepper label{color:var(--text-secondary)}.add-btn-primary{width:100%;padding:1rem;font-size:1.2rem;font-weight:700;background-color:var(--card-color);border:1px solid var(--border-color);color:var(--text-primary);border-radius:12px;cursor:pointer}.error{color:var(--accent-red);background-color:#dc35451a;padding:.75rem;border-radius:8px;border:1px solid rgba(220,53,69,.3);margin-bottom:1rem;text-align:center}.success{color:var(--accent-green);background-color:#28a7451a;padding:.75rem;border-radius:8px;border:1px solid rgba(40,167,69,.3);margin-bottom:1rem;text-align:center}.disabled-btn{opacity:.4;pointer-events:none;cursor:not-allowed;background-color:#333!important;color:#6b7280!important}.onboarding-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:50vh;text-align:center;padding:2rem}.onboarding-message{margin-bottom:2rem}.onboarding-message h2{color:var(--text-primary);font-size:1.8rem;margin-bottom:.5rem;font-weight:600}.onboarding-message p{color:var(--text-secondary);font-size:1.1rem;margin:0}.onboarding-message .tagline{font-size:1rem;color:var(--text-secondary);margin-top:5px;margin-bottom:15px;font-weight:400}.onboarding-message p:last-of-type{font-size:1.1rem;color:var(--text-secondary);margin-top:1.5rem;margin-bottom:0}.onboarding-add-button{background:linear-gradient(135deg,gold,#ffed4e);color:#1a1a1a;border:none;padding:1.25rem 2rem;border-radius:16px;font-size:1.2rem;font-weight:700;cursor:pointer;box-shadow:0 8px 32px #ffd70066;animation:gentlePulse 2s ease-in-out infinite;transition:all .3s ease;min-width:280px}.onboarding-add-button:hover{transform:translateY(-2px);box-shadow:0 12px 40px #ffd70099}.onboarding-add-button:active{transform:translateY(0)}.glowing-plus{background-color:gold!important;box-shadow:0 0 20px #ffd700cc,0 0 40px #ffd70066!important;animation:pulseGlow 2s ease-in-out infinite!important;border:2px solid #ffd700!important;color:#1a1a1a!important}@keyframes gentlePulse{0%,to{transform:scale(1);box-shadow:0 8px 32px #ffd70066}50%{transform:scale(1.05);box-shadow:0 12px 40px #ffd70099}}@keyframes pulseGlow{0%,to{box-shadow:0 0 20px #ffd700cc,0 0 40px #ffd70066}50%{box-shadow:0 0 30px gold,0 0 60px #ffd70099}}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (min-width: 600px){#root{padding:1.5rem 1rem 6rem}.header-main h1{font-size:2.5rem}.subject-card{padding:1.5rem}.card-top-left h2{font-size:1.75rem}.card-top-left p{font-size:1rem}.progress-circle-container{width:120px;height:120px}.progress-circle-text{font-size:1.5rem}.card-controls{display:flex;flex-direction:row;justify-content:space-between;align-items:center}.delete-btn{width:auto;padding:.5rem 1.5rem}.control-group{display:flex;flex-direction:row;align-items:center;gap:1rem;text-align:left}.control-group label{display:inline;margin-bottom:0}}@media (max-width: 600px){.onboarding-container{padding:1.5rem;min-height:40vh}.onboarding-message h2{font-size:1.5rem}.onboarding-message p{font-size:1rem}.onboarding-message .tagline{font-size:.85rem}.onboarding-message p:last-of-type{font-size:1rem}.onboarding-add-button{padding:1rem 1.5rem;font-size:1.1rem;min-width:240px}.bottom-nav{padding:.5rem .8rem;min-height:55px}.nav-item.welcome-message-bar label{font-size:.9rem}.nav-item.welcome-message-bar .tagline{font-size:.65rem}.modal-content{padding:1.5rem;margin:1rem}.modal-actions{flex-direction:column;gap:.75rem}.cancel-btn,.delete-account-btn{width:100%;text-align:center}}