:root{--navy-dark: #1a1a2e;--navy-light: #16213e;--navy-accent: #0f3460;--blue-primary: #4a90d9;--blue-hover: #3a7bc8;--green-success: #2ecc71;--red-error: #e74c3c;--text-main: #ffffff;--text-muted: #888888;--card-bg: rgba(255, 255, 255, .08);--card-hover: rgba(255, 255, 255, .12);--border-color: rgba(255, 255, 255, .1)}body{background-color:var(--navy-dark);color:var(--text-main);font-family:Inter,system-ui,-apple-system,sans-serif;margin:0;line-height:1.5}h1,h2,h3,h4{font-weight:700;margin-top:0}.section-title{font-size:.9rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:1rem;text-align:left}.home-container,.dashboard-container,.journal-container,.profile-container,.parent-dashboard-container{width:100%;max-width:800px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column}.home-container{justify-content:center;align-items:center;padding:2rem;box-sizing:border-box}.home-container h1{font-size:3rem;margin-bottom:2rem;background:linear-gradient(to right,#fff,#888);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.home-actions{display:flex;flex-direction:column;gap:1.25rem;width:100%;max-width:320px}.btn-home-login,.btn-home-register{display:block;padding:1.25rem;font-size:1.1rem;font-weight:700;text-align:center;text-decoration:none;border-radius:12px;transition:all .2s ease;text-transform:uppercase;letter-spacing:.05em}.btn-home-login{background:linear-gradient(135deg,var(--blue-primary),var(--navy-accent));color:#fff;box-shadow:0 4px 15px #4a90d933}.btn-home-register{background:linear-gradient(135deg,var(--green-success),#27ae60);color:#fff;box-shadow:0 4px 15px #2ecc7133}.btn-home-login:hover,.btn-home-register:hover{transform:translateY(-3px) scale(1.02);filter:brightness(1.1)}@media (min-width: 480px){.home-actions{flex-direction:row;max-width:500px}.btn-home-login,.btn-home-register{flex:1}}.dashboard-main,.journal-main,.parent-dashboard-main{padding:0 1rem 2rem;flex:1}.dashboard-header{background:#0003;padding:1rem 1.5rem;margin-bottom:1.5rem}.header-content{display:flex;justify-content:space-between;align-items:center;max-width:800px;margin:0 auto;width:100%}.header-content h1{margin:0;font-size:1.25rem}.btn-primary{background-color:var(--blue-primary);color:#fff;border:none;border-radius:8px;padding:.75rem 1.5rem;font-weight:600;cursor:pointer;transition:all .2s ease}.btn-primary:hover:not(:disabled){background-color:var(--blue-hover);transform:translateY(-1px)}.btn-logout{background:transparent;color:var(--text-muted);border:1px solid var(--border-color);border-radius:6px;padding:.3rem .6rem;font-size:.75rem;font-weight:500;cursor:pointer;transition:all .2s ease}.btn-logout:hover{background:#e74c3c1a;color:var(--red-error);border-color:#e74c3c4d}.btn-back{background:#ffffff1a;color:#fff;border:1px solid var(--border-color);border-radius:6px;padding:.5rem 1rem;font-size:.85rem;cursor:pointer;transition:all .2s}.btn-back:hover{background:#ffffff26}.profile-card,.checkin-section,.nav-card,.linked-students-section,.form-section{background:var(--card-bg);border-radius:16px;padding:1.5rem;margin-bottom:1.5rem;border:1px solid var(--border-color)}.profile-header{display:flex;align-items:center;gap:1.25rem;margin-bottom:1.25rem}.profile-name{margin:0 0 .25rem;font-size:1.5rem}.profile-rank{margin:0;color:var(--text-muted)}.role-badges{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.25rem}.role-badge{padding:.35rem .85rem;border-radius:20px;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.02em}.role-student{background:#3498db}.role-parent{background:#9b59b6}.role-professor{background:#27ae60}.profile-gym{background:#ffffff0a;border-radius:12px;padding:1rem}.gym-info{display:flex;flex-direction:column;text-align:left}.gym-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase}.gym-name{font-size:1.1rem;font-weight:600}.nav-cards{display:grid;grid-template-columns:1fr;gap:1rem}@media (min-width: 600px){.nav-cards{grid-template-columns:repeat(2,1fr)}}.nav-card{display:flex;align-items:center;gap:1.25rem;padding:1.25rem;cursor:pointer;transition:all .2s ease;margin-bottom:0}.nav-card:hover{background:var(--card-hover);transform:translateY(-2px);border-color:#fff3}.nav-card-icon{font-size:2rem;width:54px;height:54px;background:#ffffff0d;border-radius:12px;display:flex;align-items:center;justify-content:center}.nav-card-content{flex:1;text-align:left}.nav-card-content h3{margin:0 0 .25rem;font-size:1.1rem}.nav-card-content p{margin:0;font-size:.85rem;color:var(--text-muted)}.nav-card-arrow{color:#ffffff4d;font-size:1.25rem}.btn-checkin-large{width:100%;padding:1.25rem;font-size:1.2rem;font-weight:800;background:linear-gradient(135deg,var(--green-success),#27ae60);color:#fff;border:none;border-radius:14px;cursor:pointer;text-transform:uppercase;letter-spacing:.05em;transition:all .2s;box-shadow:0 4px 15px #2ecc7133}.btn-checkin-large:hover:not(:disabled){transform:scale(1.02);box-shadow:0 6px 20px #2ecc714d}.checked-in-success{display:flex;align-items:center;justify-content:center;gap:1rem;padding:1.25rem;background:#2ecc711a;border:1px solid rgba(46,204,113,.2);border-radius:14px;color:var(--green-success)}.check-icon{font-size:1.75rem;font-weight:700}.checked-in-text{display:flex;flex-direction:column;text-align:left}.checkin-stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin:1.5rem 0}.checkin-stat-card{background:#0003;padding:1.25rem;border-radius:12px;display:flex;flex-direction:column;align-items:center}.checkin-stat-card .stat-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;margin-bottom:.5rem}.checkin-stat-card .stat-value{font-size:2.25rem;font-weight:800;color:var(--blue-primary)}.activity-list{display:flex;flex-direction:column;gap:.75rem;margin-top:1rem}.activity-item{display:flex;justify-content:space-between;align-items:center;padding:.75rem 1rem;background:#ffffff0a;border-radius:10px}.activity-info{display:flex;flex-direction:column;text-align:left}.activity-date{font-weight:600}.activity-gym{font-size:.8rem;color:var(--text-muted)}.activity-time{font-size:.85rem;color:var(--text-muted)}.alert{padding:1rem;border-radius:10px;margin-bottom:1.5rem;text-align:left}.alert-success{background:#2ecc7126;border:1px solid rgba(46,204,113,.3);color:var(--green-success)}.alert-error{background:#e74c3c26;border:1px solid rgba(231,76,60,.3);color:var(--red-error)}.attendance-table-container{overflow-x:auto;border-radius:12px;border:1px solid var(--border-color);background:#0003}.attendance-table{width:100%;border-collapse:collapse}.attendance-table th{background:#ffffff0d;padding:1rem;font-size:.85rem;text-transform:uppercase;color:var(--text-muted);text-align:left}.attendance-table td{padding:1rem;border-top:1px solid var(--border-color)}.attendance-table tr:hover td{background:#ffffff05}.child-cards-grid{display:grid;grid-template-columns:1fr;gap:1rem}@media (min-width: 600px){.child-cards-grid{grid-template-columns:repeat(2,1fr)}}.child-card{background:#ffffff0a;border:1px solid var(--border-color);border-radius:14px;padding:1.25rem;display:flex;align-items:center;gap:1rem}.child-info{flex:1;text-align:left}.child-name{margin:0 0 .25rem;font-size:1.1rem;font-weight:700}.form-group{margin-bottom:1.5rem;text-align:left}.form-group label{display:block;font-size:.85rem;color:var(--text-muted);text-transform:uppercase;margin-bottom:.5rem}.form-group input,.form-group select{width:100%;padding:.85rem;background:#0003;border:1px solid var(--border-color);border-radius:10px;color:#fff;font-size:1rem;box-sizing:border-box}.form-group input:focus{outline:none;border-color:var(--blue-primary)}.invite-code-box{background:#0000004d;padding:1.25rem;border-radius:12px;display:flex;justify-content:space-between;align-items:center;border:1px dashed var(--blue-primary)}.invite-code-value{font-family:monospace;font-size:1.5rem;font-weight:700;color:var(--blue-primary);letter-spacing:.1em}.modal-overlay{background:#000000d9;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-content{background:var(--navy-dark);border:1px solid var(--border-color);padding:2rem;border-radius:20px}.btn-auth-alt{display:inline-block;background:#ffffff0d;color:var(--text-muted);border:1px solid var(--border-color);border-radius:8px;padding:.5rem 1rem;font-size:.85rem;font-weight:500;cursor:pointer;text-decoration:none;transition:all .2s;margin-top:.5rem}.btn-auth-alt:hover{background:#ffffff1a;color:#fff;border-color:var(--blue-primary)}.auth-link{margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--border-color);text-align:center}.auth-link p{color:var(--text-muted);font-size:.9rem;margin-bottom:.5rem}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;background:linear-gradient(135deg,#1a1a2e,#16213e);color:#fff;padding:20px}h1{font-size:2.5rem;margin-bottom:2rem;text-align:center;text-shadow:2px 2px 4px rgba(0,0,0,.3)}.buttons{display:flex;flex-direction:column;gap:1rem;width:100%;max-width:300px}button{padding:1rem 2rem;font-size:1.1rem;font-weight:600;border:none;border-radius:8px;cursor:pointer;transition:transform .2s,box-shadow .2s}.btn-login{background-color:#4a90d9;color:#fff}.btn-register{background-color:#2ecc71;color:#fff}button:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000004d}button:active{transform:translateY(0)}@media (min-width: 480px){h1{font-size:3rem}.buttons{flex-direction:row;max-width:400px}button{flex:1}}