.btn-home-login,.btn-home-register{display:block;padding:1rem 2rem;font-size:1.1rem;font-weight:600;text-align:center;text-decoration:none;border-radius:8px;transition:transform .2s,box-shadow .2s}.btn-home-login{background-color:#4a90d9;color:#fff}.btn-home-register{background-color:#2ecc71;color:#fff}.btn-home-login:hover,.btn-home-register:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000004d}@media (min-width: 480px){.buttons{flex-direction:row;max-width:400px}.btn-home-login,.btn-home-register{flex:1}}.auth-container{width:100%;max-width:400px;padding:1.5rem;box-sizing:border-box}.auth-container h1{margin-bottom:1.5rem}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.5rem;font-size:.9rem}.form-group input{width:100%;padding:.75rem;font-size:1rem;border:1px solid #ccc;border-radius:8px;background:#fff;color:#1a1a2e;box-sizing:border-box}.form-group input:focus{outline:none;border-color:#4a90d9}.auth-container button[type=submit]{width:100%;padding:1rem;font-size:1.1rem;font-weight:600;border:none;border-radius:8px;background-color:#4a90d9;color:#fff;cursor:pointer;transition:transform .2s,box-shadow .2s}.auth-container button[type=submit]:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px #0000004d}.auth-container button[type=submit]:disabled{opacity:.7;cursor:not-allowed}.error-message{color:#e74c3c;margin-bottom:1rem;padding:.75rem;background:#e74c3c1a;border-radius:8px}.auth-link{margin-top:1.5rem;text-align:center}.auth-link a{color:#4a90d9;text-decoration:none}.auth-link a:hover{text-decoration:underline}.role-selection{display:flex;flex-direction:column;gap:.75rem}.role-option{display:flex;flex-direction:column;padding:1rem;border:2px solid #ddd;border-radius:12px;cursor:pointer;transition:all .2s ease;background:#ffffff0d}.role-option:hover{border-color:#4a90d9;background:#4a90d91a}.role-option.selected{border-color:#4a90d9;background:#4a90d926}.role-option input[type=radio]{display:none}.role-label{font-size:1.1rem;font-weight:600;color:#fff;margin-bottom:.25rem}.role-description{font-size:.85rem;color:#aaa}@media (min-width: 480px){.role-selection{flex-direction:row;flex-wrap:wrap}.role-option{flex:1;min-width:120px}}.dashboard-container{width:100%;max-width:600px;padding:1.5rem;text-align:center;box-sizing:border-box}.dashboard-container h1{margin-bottom:1rem}.welcome-message{margin-bottom:2rem;font-size:1.2rem}.btn-logout{padding:.75rem 1.5rem;font-size:1rem;font-weight:600;border:none;border-radius:8px;background-color:#e74c3c;color:#fff;cursor:pointer;transition:transform .2s,box-shadow .2s}.btn-logout:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000004d}.loading{display:flex;justify-content:center;align-items:center;min-height:100vh;font-size:1.2rem}.form-group select{width:100%;padding:.75rem;font-size:1rem;border:1px solid #ccc;border-radius:8px;background:#fff;color:#1a1a2e;cursor:pointer;box-sizing:border-box}.form-group select:focus{outline:none;border-color:#4a90d9}.belt-rank-display{display:flex;align-items:center;gap:.75rem}.belt-rank-display select{flex:1}.belt-preview{display:flex;align-items:center;justify-content:center;padding:1.5rem;background:#ffffff0d;border-radius:8px;min-height:50px}.belt-preview-placeholder{color:#888;font-size:.9rem;font-style:italic}.stripe-count-display{display:flex;align-items:center;gap:.75rem}.stripe-count-display select{flex:1}.label-hint{font-size:.8rem;font-weight:400;color:#888;margin-left:.5rem}.profile-header{display:flex;flex-direction:column;gap:1rem;margin-bottom:1.5rem}@media (min-width: 480px){.profile-header{flex-direction:row;justify-content:space-between;align-items:center}}.btn-home-link{padding:.5rem 1rem;font-size:.9rem;font-weight:500;border:1px solid rgba(255,255,255,.2);border-radius:8px;background:#ffffff1a;color:#fff;cursor:pointer;transition:all .2s ease;text-decoration:none;display:inline-block;text-align:center}.btn-home-link:hover{background:#fff3;border-color:#fff6}.stripe-count-label{font-size:.85rem;color:#aaa;margin-left:.5rem}.role-display select{width:100%}.profile-container{width:100%;max-width:500px;padding:1.5rem;box-sizing:border-box}.profile-container h1{margin-bottom:1.5rem}.success-message{color:#2ecc71;margin-bottom:1rem;padding:.75rem;background:#2ecc711a;border-radius:8px}.form-actions{display:flex;flex-direction:column;gap:1rem;margin-top:1.5rem}.form-actions button{flex:1;padding:1rem;font-size:1rem;font-weight:600;border:none;border-radius:8px;cursor:pointer;transition:transform .2s,box-shadow .2s}.form-actions button[type=submit]{background-color:#4a90d9;color:#fff}.form-actions button[type=submit]:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px #0000004d}.form-actions button[type=submit]:disabled{opacity:.7;cursor:not-allowed}.btn-cancel{background-color:#95a5a6;color:#fff}.btn-cancel:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000004d}.profile-card{background:#ffffff1a;border-radius:12px;padding:1.5rem;margin-bottom:1.5rem;text-align:left}.profile-card h2{margin-bottom:1rem;font-size:1.5rem}.profile-info{margin-bottom:.75rem;font-size:1rem}.profile-info .label{font-weight:600;color:#aaa}.loading-text{font-size:1.1rem;color:#aaa}.dashboard-actions{display:flex;flex-direction:column;gap:1rem}@media (min-width: 480px){.dashboard-actions{flex-direction:row;justify-content:center}}.btn-profile{padding:.75rem 1.5rem;font-size:1rem;font-weight:600;border:none;border-radius:8px;background-color:#4a90d9;color:#fff;cursor:pointer;transition:transform .2s,box-shadow .2s}.btn-profile:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000004d}.role-badge{display:inline-block;padding:.25rem .75rem;border-radius:20px;font-size:.85rem;font-weight:600;text-transform:capitalize;margin-left:.5rem;vertical-align:middle}.role-student{background-color:#3498db;color:#fff}.role-parent{background-color:#9b59b6;color:#fff}.role-professor{background-color:#e67e22;color:#fff}.role-nav{margin-bottom:1.5rem}.role-nav h3{margin-bottom:1rem;font-size:1.1rem;color:#aaa}.nav-links{display:flex;flex-direction:column;gap:.75rem}@media (min-width: 480px){.nav-links{flex-direction:row;flex-wrap:wrap;justify-content:center}}.nav-btn{padding:.75rem 1.25rem;font-size:.95rem;font-weight:500;border:1px solid rgba(255,255,255,.2);border-radius:8px;background:#ffffff1a;color:#fff;cursor:pointer;transition:all .2s ease}.nav-btn:hover{background:#fff3;border-color:#fff6}@media (max-width: 480px){.auth-container,.dashboard-container,.profile-container,.profile-card{padding:1rem}.role-badge{display:block;margin-left:0;margin-top:.5rem;text-align:center}}.btn-leave-gym{padding:.75rem 1.5rem;font-size:1rem;font-weight:600;border:none;border-radius:8px;background-color:#e67e22;color:#fff;cursor:pointer;transition:transform .2s,box-shadow .2s}.btn-leave-gym:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000004d}.gym-actions{background:#ffffff0d;border-radius:12px;padding:1.25rem;margin-bottom:1.5rem}.gym-actions h3{margin:0 0 1rem;font-size:1rem;color:#ccc}.gym-buttons{display:flex;flex-wrap:wrap;gap:.75rem}.gym-buttons button{padding:.75rem 1.25rem;font-size:.95rem;font-weight:600;border:none;border-radius:8px;cursor:pointer;transition:transform .2s,box-shadow .2s}.gym-buttons button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px #0000004d}.gym-buttons button:disabled{opacity:.6;cursor:not-allowed}.btn-create-gym{background-color:#27ae60;color:#fff}.btn-join-gym{background-color:#3498db;color:#fff}.btn-leave-gym{background-color:#e74c3c;color:#fff}.gym-list{margin:1rem 0;max-height:150px;overflow-y:auto}.gym-list-label{font-size:.85rem;color:#888;margin-bottom:.5rem}.gym-list-item{display:block;width:100%;padding:.5rem .75rem;margin-bottom:.25rem;text-align:left;background:#ffffff1a;border:1px solid rgba(255,255,255,.2);border-radius:6px;color:#fff;cursor:pointer;transition:background .2s}.gym-list-item:hover:not(:disabled){background:#fff3}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000b3;display:flex;justify-content:center;align-items:center;z-index:1000;padding:1rem}.modal-content{background:#1a1a2e;border-radius:12px;padding:1.5rem;max-width:400px;width:100%;box-shadow:0 4px 20px #0006}.modal-content h3{margin:0 0 1rem;font-size:1.25rem;color:#fff}.modal-content p{color:#ccc;margin:0 0 .75rem;line-height:1.5}.modal-warning{font-size:.85rem;color:#e74c3c!important}.modal-actions{display:flex;gap:1rem;margin-top:1.5rem}.modal-actions button{flex:1;padding:.75rem 1rem;font-size:1rem;font-weight:600;border:none;border-radius:8px;cursor:pointer;transition:all .2s ease}.modal-actions button:disabled{opacity:.6;cursor:not-allowed}.btn-confirm-leave{background-color:#e74c3c;color:#fff}.btn-confirm-leave:hover:not(:disabled){background-color:#c0392b}.modal-actions .btn-cancel{background-color:#95a5a6;color:#fff}.modal-actions .btn-cancel:hover:not(:disabled){background-color:#7f8c8d}.capability-checkboxes{display:flex;flex-direction:column;gap:.75rem;margin-top:.5rem}.capability-checkbox{display:flex;align-items:flex-start;gap:.75rem;padding:.75rem;background:#ffffff0d;border-radius:8px;cursor:pointer;transition:background .2s}.capability-checkbox:hover{background:#ffffff1a}.capability-checkbox input[type=checkbox]{margin-top:.2rem;width:18px;height:18px;cursor:pointer}.capability-label{display:flex;align-items:center;gap:.5rem;font-size:.95rem}.capability-icon{font-size:1.25rem}.role-badges{display:flex;flex-wrap:wrap;gap:.5rem;margin-left:.5rem}.role-badge.role-student{background:#3498db}.role-badge.role-parent{background:#9b59b6}.role-badge.role-professor{background:#27ae60}.training-section{border-left:4px solid #3498db}.professor-section{border-left:4px solid #27ae60}.section-buttons{display:flex;gap:.5rem;flex-wrap:wrap}.btn-add-child{background-color:#e67e22;color:#fff;padding:.5rem 1rem;font-size:.9rem;font-weight:600;border:none;border-radius:6px;cursor:pointer;transition:all .2s}.btn-add-child:hover:not(:disabled){background-color:#d35400}.btn-add-child:disabled{opacity:.6;cursor:not-allowed}.student-type-badge{display:inline-block;font-size:.7rem;padding:.15rem .4rem;background:#e67e224d;color:#e67e22;border-radius:4px;margin-left:.5rem;font-weight:400}.modal-info{font-size:.9rem;color:#888;margin-top:.5rem;padding:.75rem;background:#ffffff0d;border-radius:6px}.dashboard-header{background:#0000004d;padding:1rem 1.5rem;margin-bottom:1.5rem;border-radius:0 0 12px 12px}.dashboard-header .header-content{display:flex;justify-content:space-between;align-items:center;max-width:800px;margin:0 auto}.dashboard-header h1{margin:0;font-size:1.25rem}.dashboard-header .header-spacer{width:80px}.btn-back{padding:.5rem 1rem;font-size:.9rem;font-weight:500;border:1px solid rgba(255,255,255,.2);border-radius:8px;background:#ffffff1a;color:#fff;cursor:pointer;transition:all .2s ease}.btn-back:hover{background:#fff3}.dashboard-main{max-width:800px;margin:0 auto;padding:0 1rem 2rem}.profile-header{display:flex;align-items:center;gap:1.25rem;margin-bottom:1rem}.profile-info{flex:1}.profile-name{margin:0 0 .25rem;font-size:1.5rem}.profile-rank{margin:0 0 .25rem;color:#ccc;font-size:1rem}.profile-age{margin:0;color:#888;font-size:.9rem}.role-badges{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem}.role-badge{display:inline-block;padding:.35rem .85rem;border-radius:20px;font-size:.8rem;font-weight:600;text-transform:capitalize}.role-badge.role-student{background:#3498db;color:#fff}.role-badge.role-parent{background:#9b59b6;color:#fff}.role-badge.role-professor{background:#27ae60;color:#fff}.profile-gym{padding:1rem;background:#ffffff0d;border-radius:10px;margin-bottom:1rem}.gym-info{display:flex;flex-direction:column;gap:.25rem}.gym-label{font-size:.8rem;color:#888;text-transform:uppercase;letter-spacing:.05em}.gym-name{font-size:1.1rem;font-weight:600}.gym-none{color:#888;font-style:italic}.minor-warning{display:flex;align-items:flex-start;gap:.75rem;padding:1rem;background:#f1c40f26;border:1px solid rgba(241,196,15,.3);border-radius:10px;margin-bottom:1rem}.minor-warning .warning-icon{font-size:1.25rem}.minor-warning span{font-size:.9rem;line-height:1.4;color:#f1c40f}.profile-actions{display:flex;gap:.75rem;flex-wrap:wrap}.profile-actions button{padding:.75rem 1.25rem;font-size:.95rem;font-weight:600;border:none;border-radius:8px;cursor:pointer;transition:all .2s ease}.profile-actions .btn-profile{background:#4a90d9;color:#fff}.profile-actions .btn-join-gym{background:#27ae60;color:#fff}.nav-cards{display:grid;gap:1rem}@media (min-width: 600px){.nav-cards{grid-template-columns:repeat(2,1fr)}}.nav-card{display:flex;align-items:center;gap:1rem;padding:1.25rem;background:#ffffff14;border-radius:12px;cursor:pointer;transition:all .2s ease;border:1px solid transparent}.nav-card:hover{background:#ffffff1f;border-color:#fff3;transform:translateY(-2px)}.nav-card-disabled{opacity:.5;cursor:not-allowed}.nav-card-disabled:hover{transform:none}.nav-card-icon{font-size:2rem;width:50px;height:50px;display:flex;align-items:center;justify-content:center;background:#ffffff1a;border-radius:12px}.nav-card-content{flex:1}.nav-card-content h3{margin:0 0 .25rem;font-size:1.1rem}.nav-card-content p{margin:0;font-size:.85rem;color:#888}.nav-card-arrow{font-size:1.5rem;color:#666}.parent-dashboard-container{min-height:100vh}.parent-dashboard-empty{text-align:center;padding:3rem 1rem}.parent-dashboard-empty p{color:#888;margin-bottom:1.5rem}.parent-dashboard-main{max-width:600px;margin:0 auto;padding:0 1rem 2rem}.parent-actions{display:flex;gap:1rem;margin-bottom:1.5rem;flex-wrap:wrap}.parent-actions button{flex:1;min-width:140px;padding:1rem;font-size:1rem;font-weight:600;border:none;border-radius:10px;cursor:pointer;transition:all .2s ease}.parent-actions .btn-add-child{background:#e67e22;color:#fff}.parent-actions .btn-add-child:hover{background:#d35400}.parent-actions .btn-link-student{background:#9b59b6;color:#fff}.parent-actions .btn-link-student:hover{background:#8e44ad}.linked-students-section{background:#ffffff14;border-radius:16px;padding:1.5rem}.linked-students-section h2{margin:0 0 1rem;font-size:1.25rem}.empty-state{text-align:center;padding:2rem 1rem;color:#888}.empty-hint{font-size:.9rem;margin-top:.5rem}.linked-students-list{display:flex;flex-direction:column;gap:.75rem}.student-card{background:#ffffff0d;border-radius:10px;overflow:hidden}.student-card-main{display:flex;align-items:center;gap:1rem;padding:1rem}.student-card-info{flex:1}.student-card-info h3{margin:0 0 .35rem;font-size:1.05rem}.student-card-meta{display:flex;flex-wrap:wrap;gap:.5rem}.meta-item{font-size:.8rem;color:#888}.type-badge{background:#ffffff1a;padding:.15rem .5rem;border-radius:4px}.btn-unlink{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:#e74c3c33;border:none;border-radius:6px;color:#e74c3c;cursor:pointer;font-size:1rem;transition:all .2s}.btn-unlink:hover{background:#e74c3c4d}.gym-management-section{margin-top:2rem;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,.1)}.gym-management-section h3{margin:0 0 .75rem;font-size:1rem;color:#888}.gym-management-info{margin-bottom:1rem;font-size:.95rem}.journal-container{min-height:100vh}.journal-main{max-width:600px;margin:0 auto;padding:0 1rem 2rem;display:flex;flex-direction:column;gap:1.5rem}.journal-placeholder{background:#ffffff14;border-radius:16px;padding:3rem 1.5rem;text-align:center}.journal-placeholder h2{margin:0 0 .75rem}.journal-placeholder p{color:#888;margin-bottom:2rem}.journal-hint{font-size:.9rem;color:#666;margin-top:1rem}.coming-soon{display:flex;flex-direction:column;align-items:center;gap:1rem}.coming-soon .emoji{font-size:3rem}.coming-soon p{font-size:1.1rem;color:#4a90d9;margin:0}.checkin-section{background:#ffffff14;border-radius:16px;padding:1.5rem}.checkin-section .section-title{margin:0 0 1.25rem}.checkin-loading{text-align:center;padding:2rem;color:#888}.checkin-no-gym{text-align:center;padding:2rem 1rem}.no-gym-icon{font-size:3rem;display:block;margin-bottom:1rem}.checkin-no-gym p{color:#888;margin-bottom:1.5rem}.btn-find-gym{padding:.75rem 1.5rem;font-size:1rem;font-weight:600;background:#27ae60;border:none;border-radius:10px;color:#fff;cursor:pointer;transition:all .2s ease}.btn-find-gym:hover{background:#219a52}.checkin-message{padding:.75rem 1rem;border-radius:8px;margin-bottom:1rem;font-size:.9rem}.checkin-message.success{background:#2ecc7126;border:1px solid rgba(46,204,113,.3);color:#2ecc71}.checkin-message.error{background:#e74c3c26;border:1px solid rgba(231,76,60,.3);color:#e74c3c}.checkin-action{margin-bottom:1.5rem}.btn-checkin{width:100%;padding:1rem;font-size:1.1rem;font-weight:700;background:linear-gradient(135deg,#27ae60,#2ecc71);border:none;border-radius:12px;color:#fff;cursor:pointer;transition:all .2s ease;text-transform:uppercase;letter-spacing:.05em}.btn-checkin:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 15px #2ecc7166}.btn-checkin:disabled{opacity:.7;cursor:not-allowed}.checked-in-today{display:flex;align-items:center;justify-content:center;gap:.75rem;padding:1rem;background:#2ecc711a;border:1px solid rgba(46,204,113,.2);border-radius:12px;color:#2ecc71;font-weight:500}.checked-in-today .check-icon{font-size:1.25rem;font-weight:700}.gym-stats-note{display:flex;align-items:center;justify-content:center;padding:1rem;background:#9b59b61a;border:1px solid rgba(155,89,182,.2);border-radius:12px;color:#9b59b6;font-weight:500}.checkin-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin-bottom:1.5rem}.stat-card{display:flex;flex-direction:column;align-items:center;padding:1rem;background:#0003;border-radius:12px}.stat-value{font-size:2rem;font-weight:700;color:#4a90d9;line-height:1}.stat-label{font-size:.8rem;color:#888;margin-top:.5rem;text-transform:uppercase;letter-spacing:.05em}.recent-checkins h4{margin:0 0 1rem;font-size:.9rem;color:#888;text-transform:uppercase;letter-spacing:.05em}.checkin-list{list-style:none;padding:0;margin:0}.checkin-item{display:flex;justify-content:space-between;align-items:center;padding:.75rem 0;border-bottom:1px solid rgba(255,255,255,.05)}.checkin-item:last-child{border-bottom:none}.checkin-info{display:flex;flex-direction:column;gap:.25rem}.checkin-date{font-size:.9rem;color:#fff;font-weight:500}.checkin-gym{font-size:.8rem;color:#888}.checkin-time{font-size:.85rem;color:#666}.checkin-empty{text-align:center;color:#666;padding:1rem;font-size:.9rem}@media (max-width: 480px){.journal-main{padding:0 .75rem 2rem}.checkin-section{padding:1rem}.checkin-stats{gap:.75rem}.stat-value{font-size:1.75rem}.profile-header{flex-direction:column;text-align:center}.role-badges,.profile-actions{justify-content:center}.parent-actions{flex-direction:column}.parent-actions button{min-width:100%}}.profile-container{max-width:600px;margin:0 auto;padding:1rem 1rem 3rem}.profile-page-header{display:flex;align-items:center;gap:1rem;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid rgba(255,255,255,.1)}.profile-page-header h1{margin:0;font-size:1.5rem}.profile-page-header .btn-back{padding:.5rem 1rem;font-size:.9rem;font-weight:500;border:1px solid rgba(255,255,255,.2);border-radius:8px;background:#ffffff1a;color:#fff;cursor:pointer;transition:all .2s ease}.profile-page-header .btn-back:hover{background:#fff3}.alert{padding:1rem;border-radius:10px;margin-bottom:1.5rem;font-size:.95rem}.alert-error{background:#e74c3c26;border:1px solid rgba(231,76,60,.3);color:#e74c3c}.alert-success{background:#2ecc7126;border:1px solid rgba(46,204,113,.3);color:#2ecc71}.profile-card{background:#ffffff14;border-radius:16px;padding:1.5rem;margin-bottom:1.5rem}.profile-card-header{display:flex;align-items:center;gap:1.25rem}.profile-card-info{flex:1}.profile-card-name{margin:0 0 .5rem;font-size:1.4rem}.profile-card-badges{display:flex;flex-wrap:wrap;gap:.5rem}.form-section{background:#ffffff0d;border-radius:12px;padding:1.25rem;margin-bottom:1.25rem}.section-title{margin:0 0 1rem;font-size:1rem;font-weight:600;color:#ccc;text-transform:uppercase;letter-spacing:.05em}.section-hint{margin:-.5rem 0 1rem;font-size:.85rem;color:#888}.role-checkboxes{display:flex;flex-direction:column;gap:.75rem}.role-checkbox{display:flex;align-items:center;padding:0;background:transparent;border-radius:0;cursor:pointer;margin:0}.role-checkbox input[type=checkbox]{position:absolute;opacity:0;width:0;height:0}.role-checkbox-content{display:flex;align-items:center;gap:1rem;width:100%;padding:1rem;background:#ffffff0d;border:2px solid rgba(255,255,255,.1);border-radius:10px;transition:all .2s ease}.role-checkbox input[type=checkbox]:checked+.role-checkbox-content{border-color:#4a90d9;background:#4a90d91a}.role-checkbox-content:hover{background:#ffffff14;border-color:#fff3}.role-checkbox-icon{font-size:1.5rem;width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:#ffffff1a;border-radius:10px}.role-checkbox-text{display:flex;flex-direction:column;gap:.2rem}.role-checkbox-text strong{font-size:1rem;color:#fff}.role-checkbox-text small{font-size:.8rem;color:#888}.birth-date-display{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem;margin-top:.5rem;padding:.75rem 1rem;background:#ffffff0d;border-radius:8px}.birth-date-formatted{font-size:.95rem;color:#fff}.birth-date-age{font-size:.85rem;color:#888;background:#ffffff1a;padding:.2rem .6rem;border-radius:4px}.invite-code-section{background:#9b59b61a;border:1px solid rgba(155,89,182,.2)}.invite-code-section .section-title{color:#9b59b6}.invite-code-box{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem;background:#0000004d;border:1px solid rgba(255,255,255,.1);border-radius:10px;margin-top:.5rem}.invite-code-value{font-size:1.5rem;font-weight:700;letter-spacing:.15em;color:#9b59b6;font-family:monospace}.copy-btn{padding:.6rem 1rem;font-size:1.1rem;background:#9b59b633;border:1px solid rgba(155,89,182,.3);border-radius:8px;color:#9b59b6;cursor:pointer;transition:all .2s ease;min-width:50px}.copy-btn:hover{background:#9b59b64d}.copy-btn.copied{background:#2ecc7133;border-color:#2ecc714d;color:#2ecc71}.gym-membership-section{background:#27ae6014;border:1px solid rgba(39,174,96,.15)}.gym-membership-section .section-title{color:#27ae60}.gym-card{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem;background:#0003;border-radius:10px;margin-top:.5rem}.gym-card .gym-name{font-size:1.1rem;font-weight:600;color:#fff}.gym-status{font-size:.8rem;color:#2ecc71;background:#2ecc7133;padding:.2rem .6rem;border-radius:4px;margin-left:.5rem}.gym-card-actions{display:flex;gap:.5rem}.gym-empty{padding:1.5rem;text-align:center;color:#888;background:#0003;border-radius:10px;margin-top:.5rem}.gym-empty p{margin:0 0 1rem}.gym-empty-actions{display:flex;gap:.75rem;justify-content:center;flex-wrap:wrap}.btn-leave-gym-small{padding:.5rem 1rem;font-size:.85rem;font-weight:600;background:#e74c3c33;border:1px solid rgba(231,76,60,.3);border-radius:8px;color:#e74c3c;cursor:pointer;transition:all .2s ease;white-space:nowrap}.btn-leave-gym-small:hover{background:#e74c3c4d}.btn-join-gym{padding:.6rem 1.25rem;font-size:.9rem;font-weight:600;background:#27ae60;border:none;border-radius:8px;color:#fff;cursor:pointer;transition:all .2s ease}.btn-join-gym:hover{background:#219a52}.btn-create-gym{padding:.6rem 1.25rem;font-size:.9rem;font-weight:600;background:#9b59b6;border:none;border-radius:8px;color:#fff;cursor:pointer;transition:all .2s ease}.btn-create-gym:hover{background:#8e44ad}.gym-suggestions{display:flex;flex-direction:column;gap:.5rem;margin:.75rem 0;max-height:150px;overflow-y:auto}.gym-suggestion{padding:.75rem 1rem;text-align:left;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:8px;color:#fff;cursor:pointer;transition:all .2s ease}.gym-suggestion:hover:not(:disabled){background:#ffffff1a;border-color:#27ae60}.no-results{text-align:center;color:#888;font-size:.9rem;padding:.5rem}.form-actions{display:flex;flex-direction:column;gap:.75rem;margin-top:1.5rem}.btn-save{padding:1rem;font-size:1rem;font-weight:600;border:none;border-radius:10px;background:#4a90d9;color:#fff;cursor:pointer;transition:all .2s ease}.btn-save:hover:not(:disabled){background:#3a7bc8;transform:translateY(-1px)}.btn-save:disabled{opacity:.6;cursor:not-allowed}@media (max-width: 480px){.profile-container{padding:.75rem}.profile-page-header,.profile-card-header{flex-direction:column;text-align:center}.profile-card-badges{justify-content:center}.gym-card{flex-direction:column;text-align:center}.invite-code-box{flex-direction:column}.invite-code-value{font-size:1.25rem}}.professor-dashboard-container{min-height:100vh}.professor-dashboard-main{max-width:600px;margin:0 auto;padding:1rem;display:flex;flex-direction:column;gap:1.5rem}.gym-info-card{background:#9b59b61a;border:1px solid rgba(155,89,182,.2);border-radius:16px;padding:1.5rem}.gym-info-header{display:flex;align-items:center;gap:1rem}.gym-icon{font-size:2.5rem}.gym-info-header h2{margin:0;font-size:1.25rem}.gym-info-header p{margin:.25rem 0 0;color:#9b59b6;font-size:.9rem}.stats-error{background:#e74c3c1a;border:1px solid rgba(231,76,60,.3);border-radius:12px;padding:1rem;color:#e74c3c;display:flex;align-items:center;gap:.5rem}.stats-loading{text-align:center;padding:2rem;color:#888}.gym-stats-section{background:#ffffff14;border-radius:16px;padding:1.5rem}.gym-stats-section h3{margin:0 0 1rem;font-size:1rem;color:#888}.recent-section{background:#ffffff14;border-radius:16px;padding:1.5rem}.recent-section h3{margin:0 0 1rem;font-size:1rem;color:#888}.no-checkins{text-align:center;padding:2rem;color:#666}.checkin-student{font-size:.9rem;color:#888}.quick-actions{display:flex;gap:1rem;justify-content:center;padding:1rem 0}.btn-action{padding:.75rem 1.5rem;font-size:1rem;font-weight:600;background:#ffffff1a;border:1px solid rgba(255,255,255,.2);border-radius:10px;color:#fff;cursor:pointer;transition:all .2s ease}.btn-action:hover{background:#ffffff26}*{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}}
