.btn{width:100%;padding:.75rem;border:none;border-radius:.5rem;background:var(--primary-gradient);color:#fff;font-size:1rem;font-weight:600;cursor:pointer;transition:transform .2s,opacity .2s}.btn:hover{opacity:.9;transform:translateY(-1px)}.btn:disabled{background:#475569!important;opacity:.5;cursor:not-allowed;transform:none}.btn-sm{padding:.4rem .8rem;font-size:.85rem}.btn-secondary{background:var(--secondary-color);width:auto;padding:.5rem 1rem}.btn-danger{background:#ef4444}.btn-primary-outline{background:0 0;border:1px solid var(--primary-color);color:var(--primary-color);padding:.4rem 1rem;border-radius:.4rem;font-weight:500;transition:all .2s}.btn-primary-outline:hover{background:var(--primary-color);color:#fff}.btn-secondary-outline{background:0 0;border:1px solid var(--text-secondary);color:var(--text-secondary);padding:.4rem 1rem;border-radius:.4rem;font-weight:500}.btn-secondary-outline:hover{background:var(--text-secondary);color:var(--bg-color)}.btn-icon-danger{background:rgba(239,68,68,.1);color:#ef4444;border:1px solid rgba(239,68,68,.2);padding:.4rem .6rem;font-size:.8rem;border-radius:.4rem;transition:all .2s}.btn-icon-danger:hover{background:rgba(239,68,68,.2)}.btn-admin-action{width:38px;height:38px;padding:0;display:flex;align-items:center;justify-content:center;border-radius:.5rem;transition:all .2s;cursor:pointer}.btn-admin-action img{width:20px;height:20px;filter:brightness(0) invert(1);opacity:.9}.action-btn.hardware-error,.restore-call-btn.hardware-error{background:rgba(239,68,68,.15)!important;border-color:#ef4444!important;color:#ef4444!important;opacity:1!important;filter:none!important;animation:pulse-red 2s infinite!important}.hardware-error img{filter:brightness(0) saturate(100%) invert(38%) sepia(88%) saturate(3021%) hue-rotate(338deg) brightness(97%) contrast(92%)!important;opacity:1!important}@keyframes pulse-red{0%{box-shadow:0 0 0 0 rgba(239,68,68,.5)}70%{box-shadow:0 0 0 10px rgba(239,68,68,0)}100%{box-shadow:0 0 0 0 rgba(239,68,68,0)}}.form-group{margin-bottom:1.5rem;text-align:left}.form-group label{display:block;margin-bottom:.5rem;font-size:.9rem;color:var(--secondary-color)}.form-group input{width:100%;padding:.75rem;border-radius:.5rem;border:1px solid var(--glass-border);background:rgba(255,255,255,.05);color:var(--text-color);font-size:1rem;outline:0;transition:border-color .3s}.form-group input:focus{border-color:var(--primary-color)}.modal{display:none;position:fixed;z-index:2000;left:0;top:0;width:100%;height:100%;background-color:rgba(0,0,0,.7);backdrop-filter:blur(5px);align-items:center;justify-content:center;padding:20px}.modal-content{background:rgba(30,41,59,.6);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);padding:2rem;border:1px solid rgba(255,255,255,.1);width:90%;max-width:500px;border-radius:1.25rem;color:var(--text-color);box-shadow:0 25px 50px -12px rgba(0,0,0,.6);position:relative;animation:modalFadeIn .4s cubic-bezier(.16,1,.3,1);max-height:calc(100vh - 40px);overflow-y:auto}@keyframes modalFadeIn{from{transform:translateY(-30px);opacity:0}to{transform:translateY(0);opacity:1}}.close{position:absolute;right:1.5rem;top:1rem;font-size:2rem;font-weight:700;cursor:pointer;color:var(--secondary-color);transition:color .2s}.close:hover{color:var(--text-color)}.modal h2{margin-top:0;color:var(--accent-color)}.about-email-link{color:var(--accent-color);text-decoration:none;font-weight:500;transition:color .2s,text-decoration .2s}.about-email-link:hover{color:var(--primary-color);text-decoration:underline}.modal-content input,.modal-content select,.modal-content textarea{width:100%;padding:.6rem;margin:.5rem 0 1rem 0;background:rgba(15,23,42,.5);border:1px solid #475569;color:#fff;border-radius:6px;font-size:.95rem;outline:0;transition:border-color .2s}.modal-content input:focus,.modal-content select:focus,.modal-content textarea:focus{border-color:var(--primary-color)}.modal-content label{font-size:.85rem;color:var(--secondary-color);margin-bottom:.25rem;display:block}.modal-content h3{margin-top:1rem;margin-bottom:.5rem;font-size:1.1rem;border-bottom:1px solid var(--glass-border);padding-bottom:.5rem}.switch{position:relative;display:inline-block;width:34px;height:20px}.switch input{opacity:0;width:0;height:0}.slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:rgba(255,255,255,.1);transition:.4s;border-radius:20px;border:1px solid var(--glass-border)}.slider:before{position:absolute;content:"";height:14px;width:14px;left:2px;bottom:2px;background-color:#fff;transition:.4s;border-radius:50%}input:checked+.slider{background-color:var(--primary-color)}input:focus+.slider{box-shadow:0 0 1px var(--primary-color)}input:checked+.slider:before{transform:translateX(14px)}.dropdown{position:relative;display:inline-block}.dropdown-content{display:none;position:absolute;right:0;top:35px;background:rgba(15,23,42,.95);min-width:160px;box-shadow:0 8px 16px rgba(0,0,0,.2);border:1px solid var(--glass-border);border-radius:.5rem;z-index:100;backdrop-filter:blur(10px);overflow:hidden}.dropdown-content a{color:var(--text-color);padding:12px 16px;text-decoration:none;display:block;font-size:.9rem;transition:background .2s}.dropdown-content a:hover{background:rgba(255,255,255,.1)}.dropdown-content.show{display:block}.notif-container{position:fixed;top:20px;right:20px;z-index:10000;pointer-events:none}.notif{background:rgba(30,41,59,.8);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.1);padding:1rem 1.5rem;border-radius:.75rem;margin-bottom:.75rem;box-shadow:0 20px 25px -5px rgba(0,0,0,.2),0 10px 10px -5px rgba(0,0,0,.1);color:#fff;display:flex;align-items:center;gap:12px;min-width:320px;max-width:450px;transform:translateX(120%);transition:transform .4s cubic-bezier(.175, .885, .32, 1.275);pointer-events:auto}.notif.show{transform:translateX(0)}.notif-icon{font-size:1.25rem;display:flex;align-items:center;justify-content:center}.notif-content{flex:1;font-size:.95rem;line-height:1.4}.notif-success{border-left:4px solid #10b981}.notif-error{border-left:4px solid #ef4444}.notif-info{border-left:4px solid var(--primary-color)}.notif-warning{border-left:4px solid #f59e0b}.confirm-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.4);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;justify-content:center;align-items:center;z-index:10001;opacity:0;transition:opacity .3s ease}.confirm-overlay.show{opacity:1}.confirm-card{background:rgba(30,41,59,.9);border:1px solid rgba(255,255,255,.1);padding:2rem;border-radius:1rem;max-width:400px;width:90%;box-shadow:0 25px 50px -12px rgba(0,0,0,.5);transform:scale(.9);transition:transform .3s cubic-bezier(.175, .885, .32, 1.275);text-align:center}.confirm-overlay.show .confirm-card{transform:scale(1)}.confirm-title{font-size:1.25rem;font-weight:600;margin-bottom:1rem;color:#fff}.confirm-message{font-size:1rem;color:var(--secondary-color);margin-bottom:2rem;line-height:1.5}.confirm-actions{display:flex;gap:1rem;justify-content:center}.confirm-btn{padding:.75rem 1.5rem;border-radius:.5rem;font-size:.95rem;font-weight:500;cursor:pointer;transition:all .2s;border:none;min-width:100px}.confirm-btn-cancel{background:rgba(255,255,255,.05);color:#fff;border:1px solid rgba(255,255,255,.1)}.confirm-btn-cancel:hover{background:rgba(255,255,255,.1)}.confirm-btn-danger{background:#ef4444;color:#fff}.confirm-btn-danger:hover{background:#dc2626;box-shadow:0 0 15px rgba(239,68,68,.4)}.confirm-btn-primary{background:var(--primary-color);color:#fff}.confirm-btn-primary:hover{background:#2563eb;box-shadow:0 0 15px rgba(59,130,246,.4)}.coach-admin-header{flex-shrink:0;display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;background:rgba(15,23,42,.45);backdrop-filter:blur(25px) saturate(200%);-webkit-backdrop-filter:blur(25px) saturate(200%);border-bottom:1px solid rgba(255,255,255,.08);z-index:50;position:relative;box-shadow:0 4px 20px rgba(0,0,0,.15)}.header-left{display:flex;align-items:center;gap:1.5rem}.app-name{margin:0;font-size:1.2rem;font-weight:700;background:var(--primary-gradient);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.page-name{font-size:.9rem;color:var(--secondary-color);letter-spacing:1px;text-transform:uppercase;margin-top:2px}.header-right{display:flex;align-items:center;gap:1.5rem}.coach-name{font-weight:600;color:var(--text-color)}.hamburger-btn{background:0 0;border:none;cursor:pointer;display:flex;flex-direction:column;justify-content:space-between;width:24px;height:18px;padding:0;z-index:60}.hamburger-btn span{display:block;width:100%;height:2px;background-color:var(--text-color);border-radius:2px;transition:all .3s ease}.session-type-icon{width:1.1rem;height:1.1rem;vertical-align:middle;margin-right:.3rem;filter:brightness(0) invert(1);opacity:.9}.restore-call-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--glass-border);background:rgba(255,255,255,.05);display:flex;align-items:center;justify-content:center;cursor:default;transition:all .3s ease;opacity:.3;filter:grayscale(1)}.restore-call-btn.active{border-color:var(--accent-color);background:rgba(59,130,246,.2);cursor:pointer;opacity:1;filter:none}.restore-call-btn.pulsing{animation:pulse-blue 2s infinite}.restore-call-btn.active:hover{background:rgba(59,130,246,.4);transform:scale(1.1)}.restore-call-btn.in-call{border-color:#10b981!important;background:rgba(16,185,129,.2)!important;color:#fff!important;cursor:not-allowed!important;opacity:1!important;filter:none!important;pointer-events:none}.restore-call-btn.in-call:hover{background:rgba(16,185,129,.3)!important;transform:none!important}.restore-call-btn.disabled,.restore-call-btn:disabled{cursor:not-allowed!important;pointer-events:none}.restore-call-btn img{width:20px;height:20px;filter:brightness(0) invert(1)}@keyframes pulse-blue{0%{box-shadow:0 0 0 0 rgba(59,130,246,.4)}70%{box-shadow:0 0 0 10px rgba(59,130,246,0)}100%{box-shadow:0 0 0 0 rgba(59,130,246,0)}}