*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--header-bg: #f2f2f2;--header-text: #222;--letter-bg: #f2f2f2;--letter-text: #222;--letter-active-bg: #f2f2f2;--letter-active-text: #222;--accent-color: #222;--btn-primary-bg: #e5e5e5;--btn-primary-text: #222;--btn-light-bg: #f2f2f2;--btn-light-text: #222;--danger-color: #eb445a;--success-color: #2dd36f;--warning-color: #ffc409;--light-color: #f4f5f8;--medium-color: #6b6b6b;--dark-color: #222428;--background: #ffffff;--text-color: #222428;--border-color: #c8c7cc;--card-bg: #ffffff;--overlay-bg: rgba(255, 255, 255, .9);--header-height: 56px;--safe-area-top: env(safe-area-inset-top, 0px);--safe-area-bottom: env(safe-area-inset-bottom, 0px)}@media(prefers-color-scheme:dark){:root{--header-bg: #333;--header-text: #f0f0f0;--letter-bg: #444;--letter-text: #f0f0f0;--letter-active-bg: #444;--letter-active-text: #f0f0f0;--accent-color: #f0f0f0;--btn-primary-bg: #555;--btn-primary-text: #f0f0f0;--btn-light-bg: #333;--btn-light-text: #f0f0f0;--light-color: #333;--medium-color: #999;--dark-color: #f0f0f0;--background: #1a1a1a;--text-color: #f0f0f0;--border-color: #444;--card-bg: #2a2a2a;--overlay-bg: rgba(0, 0, 0, .9)}}html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;font-size:16px;line-height:1.5;color:var(--text-color);background:var(--background);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow:hidden}#app{height:100%;display:flex;flex-direction:column}.header{display:flex;align-items:center;justify-content:space-between;height:var(--header-height);padding:0 16px;padding-top:var(--safe-area-top);background:var(--header-bg);color:var(--header-text);position:sticky;top:0;z-index:100;box-shadow:0 2px 4px #00000026}.header h1{font-size:18px;font-weight:600}.header-btn{background:none;border:none;color:var(--header-text);font-size:24px;cursor:pointer;padding:8px;display:flex;align-items:center;justify-content:center}.header-btn-icon{filter:grayscale(100%)}.content{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding-bottom:var(--safe-area-bottom)}.welcome-page{display:flex;flex-direction:column;height:100%;position:relative}.welcome-top{flex:0 0 50%;background:url(/img/splashbg.jpg) no-repeat center top;background-size:cover}.welcome-bottom{flex:0 0 50%;background:var(--background);display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding:100px 24px 24px;box-sizing:border-box}.welcome-icon{position:absolute;top:calc(50% - 75px);left:50%;transform:translate(-50%);width:150px;height:150px;border-radius:50%;background:var(--card-bg);box-shadow:0 4px 12px #00000026;z-index:10}.welcome-bottom p{font-size:18px;font-weight:600;color:var(--text-color);max-width:400px;text-align:center;margin-bottom:24px}.welcome-bottom .btn{background:var(--card-bg);color:var(--text-color);border:1px solid var(--border-color);box-shadow:0 2px 4px #0000001a;max-width:400px;width:100%}.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 24px;font-size:16px;font-weight:600;border:none;border-radius:0;cursor:pointer;transition:all .2s ease;text-decoration:none;background:var(--btn-light-bg);color:var(--btn-light-text)}.btn:active{transform:scale(.98)}.btn-primary{background:var(--btn-primary-bg);color:var(--btn-primary-text)}.btn-primary:hover{opacity:.9}.btn-block{display:flex;width:100%}.btn-light{background:var(--btn-light-bg);color:var(--btn-light-text)}.btn-danger{background:var(--danger-color);color:#fff}.btn-disabled{opacity:.5;pointer-events:none}.letters-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;padding:16px;max-width:600px;margin:0 auto}@media(min-width:768px){.letters-grid{grid-template-columns:repeat(7,1fr);max-width:800px}}.letter-btn{aspect-ratio:1;display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:600;background:var(--letter-bg);color:var(--letter-text);border:none;border-radius:50%;cursor:pointer;transition:all .2s ease;box-shadow:0 2px 4px #00000026}.letter-btn:active{transform:scale(.95)}.letter-btn.active{background:var(--letter-active-bg);color:var(--letter-active-text)}.letter-btn.inactive{opacity:.3;pointer-events:none}.search-bar{padding:12px 16px;background:var(--light-color);position:sticky;top:0;z-index:10}.search-input{width:100%;padding:12px 16px;font-size:16px;border:1px solid var(--border-color);border-radius:0;background:var(--card-bg);color:var(--text-color);outline:none}.search-input:focus{border-color:var(--accent-color)}.employee-list{list-style:none}.employee-item{display:flex;align-items:center;padding:12px 16px;border-bottom:1px solid var(--border-color);cursor:pointer;transition:background .2s}.employee-item:active{background:var(--light-color)}.employee-avatar{width:48px;height:48px;border-radius:50%;object-fit:cover;margin-right:16px;background:var(--light-color)}.employee-info h3{font-size:16px;font-weight:600;margin-bottom:2px}.employee-info p{font-size:14px;color:var(--medium-color)}.clocking-header{display:flex;align-items:center;padding:16px;border-bottom:1px solid var(--border-color)}.clocking-grid{display:grid;grid-template-columns:repeat(2,auto);justify-content:center;gap:32px;padding:24px 16px}.clocking-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:8px;background:transparent;border:none;cursor:pointer;transition:all .2s ease}.clocking-btn:active:not(.disabled){transform:scale(.95)}.clocking-btn.disabled{opacity:.3;pointer-events:none}.clocking-btn img{width:100px;height:100px;margin-bottom:8px}@media(min-width:768px){.clocking-btn img{width:150px;height:150px}}.clocking-btn span{font-size:14px;font-weight:600;color:var(--text-color)}.clocking-info{padding:16px}.clocking-info-item{padding:12px 0;border-bottom:1px solid var(--border-color)}.clocking-info-item:last-child{border-bottom:none}.clocking-message{text-align:center;padding:40px 16px}.clocking-message .icon{font-size:80px;margin-bottom:16px}.menu-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;opacity:0;visibility:hidden;transition:all .3s ease;z-index:200}.menu-overlay.open{opacity:1;visibility:visible}.side-menu{position:fixed;top:0;left:0;bottom:0;width:280px;max-width:80%;background:var(--card-bg);transform:translate(-100%);transition:transform .3s ease;z-index:201;display:flex;flex-direction:column;padding-top:var(--safe-area-top)}.side-menu.open{transform:translate(0)}.menu-header{padding:24px 16px;background:var(--header-bg);color:var(--header-text)}.menu-header h2{font-size:20px}.menu-items{flex:1;list-style:none;padding:8px 0}.menu-item{display:flex;align-items:center;padding:16px;cursor:pointer;transition:background .2s}.menu-item:active{background:var(--light-color)}.menu-item-icon{width:24px;margin-right:16px;font-size:20px;filter:grayscale(100%)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:all .3s ease;z-index:300;padding:16px}.modal-overlay.open{opacity:1;visibility:visible}.modal{background:var(--card-bg);border-radius:0;width:100%;max-width:400px;max-height:90vh;overflow:hidden;transform:scale(.9);transition:transform .3s ease}.modal-overlay.open .modal{transform:scale(1)}.modal-header{padding:16px;border-bottom:1px solid var(--border-color);font-weight:600}.modal-content{padding:16px;overflow-y:auto}.modal-actions{display:flex;gap:8px;padding:16px;border-top:1px solid var(--border-color)}.modal-actions .btn{flex:1}.camera-container{position:relative;background:#000;border-radius:0;overflow:hidden}.camera-container video{width:100%;display:block}.camera-capture-btn{position:absolute;bottom:16px;left:50%;transform:translate(-50%);width:64px;height:64px;border-radius:50%;background:#fff;border:4px solid var(--accent-color);cursor:pointer}.form-group{margin-bottom:16px}.form-label{display:block;margin-bottom:8px;font-weight:600}.form-input{width:100%;padding:12px 16px;font-size:16px;border:1px solid var(--border-color);border-radius:0;background:var(--card-bg);color:var(--text-color);outline:none}.form-input:focus{border-color:var(--accent-color)}.toggle-item{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid var(--border-color)}.toggle-switch{position:relative;width:52px;height:32px}.toggle-switch input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--medium-color);border-radius:32px;cursor:pointer;transition:background .3s}.toggle-slider:before{content:"";position:absolute;top:2px;left:2px;width:28px;height:28px;background:#fff;border-radius:50%;transition:transform .3s}.toggle-switch input:checked+.toggle-slider{background:var(--accent-color)}.toggle-switch input:checked+.toggle-slider:before{transform:translate(20px)}.toast{position:fixed;bottom:calc(24px + var(--safe-area-bottom));left:16px;right:16px;background:#333;color:#fff;padding:16px;border-radius:0;text-align:center;transform:translateY(100px);opacity:0;transition:all .3s ease;z-index:400}.toast.show{transform:translateY(0);opacity:1}.toast.error{background:var(--danger-color)}.toast.success{background:var(--success-color)}.loading-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--overlay-bg);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:500;opacity:0;visibility:hidden;transition:all .3s ease}.loading-overlay.show{opacity:1;visibility:visible}.spinner{width:48px;height:48px;border:4px solid var(--border-color);border-top-color:var(--accent-color);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-text{margin-top:16px;color:var(--medium-color)}.settings-list{list-style:none}.about-page{padding:16px}.about-item{padding:12px 0;border-bottom:1px solid var(--border-color)}.about-item h3{font-size:14px;color:var(--medium-color);margin-bottom:4px}.about-item p{font-size:16px}.queue-item{padding:16px;border-bottom:1px solid var(--border-color)}.queue-item-header{display:flex;justify-content:space-between;margin-bottom:8px}.queue-item-status{font-size:12px;padding:4px 8px;border-radius:0;background:var(--warning-color)}.queue-item-status.failed{background:var(--danger-color);color:#fff}.text-center{text-align:center}.text-muted{color:var(--medium-color)}.mt-16{margin-top:16px}.mb-16{margin-bottom:16px}.p-16{padding:16px}.hidden{display:none!important}