:root{--primary:#3e77b6;--primary-dark:#2a5a8c;--primary-light:#5a92d6;--secondary:#6b7280;--success:#10b981;--danger:#ef4444;--background:#fff;--card:#f8f9fa;--text:#1a1a1a;--text-light:#666;--border:#e5e5e5;--shadow:0 2px 8px rgba(0,0,0,.08)}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}body,html{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:var(--text);line-height:1.4;overflow-x:hidden}.app-container,body,html{background:var(--background)}.app-container{min-height:100vh;padding-bottom:90px}.header{background:var(--background);padding:12px 0;border-bottom:1px solid var(--border);position:-webkit-sticky;position:sticky;top:0;z-index:100;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.header-content{max-width:100%;margin:0 auto;padding:0 20px;display:flex;justify-content:space-between;align-items:center;text-align:left}.logo h1{font-size:18px;font-weight:700;color:var(--primary);margin-bottom:2px}.logo p{font-size:12px;color:var(--text-light)}.user-info{display:flex;align-items:center;gap:16px;font-size:14px}.user-details{text-align:right}.user-name{font-weight:600;color:var(--text);margin-bottom:2px}.user-role{background:var(--primary);color:#fff;padding:4px 10px;border-radius:12px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.btn-logout{background:transparent!important;color:var(--text-light)!important;border:1px solid var(--border)!important;padding:10px 16px!important;border-radius:10px!important;font-size:14px!important;font-weight:500!important;transition:all .3s ease!important;width:auto!important;display:flex!important;align-items:center!important;gap:8px!important;cursor:pointer!important;text-decoration:none!important}.btn-logout:hover{background:var(--danger)!important;color:#fff!important;border-color:var(--danger)!important;transform:translateY(-2px);box-shadow:0 4px 12px rgba(239,68,68,.3)}.main-content{max-width:100%;margin:0 auto;padding:20px;min-height:calc(100vh - 160px)}.bottom-nav{position:fixed;bottom:0;left:0;right:0;background:hsla(0,0%,100%,.98);-webkit-backdrop-filter:blur(30px);backdrop-filter:blur(30px);border-top:1px solid var(--border);display:flex;justify-content:space-around;z-index:1000;padding:12px 20px calc(12px + env(safe-area-inset-bottom))}.nav-item{display:flex;flex-direction:column;align-items:center;gap:6px;background:none;border:none;padding:10px 16px;border-radius:14px;min-width:70px;transition:all .3s ease;color:var(--text-light);cursor:pointer}.nav-item.active{background:var(--primary);color:#fff;transform:translateY(-2px);box-shadow:0 6px 20px rgba(62,119,182,.3)}.nav-icon{font-size:20px;width:24px;height:24px;display:flex;align-items:center;justify-content:center}.nav-text{font-size:11px;font-weight:600;letter-spacing:.3px}.nav-item.active .nav-icon,.nav-item.active .nav-text{color:#fff}.card{background:var(--card);border-radius:18px;padding:24px;margin-bottom:20px;border:1px solid var(--border);box-shadow:0 4px 12px rgba(0,0,0,.08)}.card h2{font-size:18px;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:8px}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:6px;font-weight:600;color:var(--text);font-size:14px}.form-group input,.form-group select{width:100%;padding:14px 16px;border:1.5px solid var(--border);border-radius:14px;font-size:16px;background:var(--background);transition:all .2s ease}.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(62,119,182,.1)}.btn{background:var(--primary);color:#fff;border:none;padding:16px 24px;border-radius:14px;font-size:16px;font-weight:600;width:100%;transition:all .3s ease;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px}.btn:active{transform:scale(.98)}.btn:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 6px 20px rgba(62,119,182,.3)}.btn-success{background:var(--success)}.btn-success:hover{background:#0da271;box-shadow:0 6px 20px rgba(16,185,129,.3)}.btn-danger{background:var(--danger)}.btn-danger:hover{background:#dc2626;box-shadow:0 6px 20px rgba(239,68,68,.3)}.btn-secondary{background:var(--secondary)}.btn-secondary:hover{background:#5a6370;box-shadow:0 6px 20px hsla(220,9%,46%,.3)}.btn-delete{background:#fee2e2!important;color:#dc2626!important;border:1px solid #fecaca!important;padding:8px 12px!important;border-radius:8px!important;font-size:13px!important;font-weight:500!important;transition:all .3s ease!important;width:auto!important;display:flex!important;align-items:center!important;gap:6px!important;cursor:pointer!important}.btn-delete:hover{background:#dc2626!important;color:#fff!important;border-color:#dc2626!important;transform:translateY(-1px);box-shadow:0 2px 8px rgba(220,38,38,.3)}.calendar-container{background:var(--background);border-radius:16px;padding:16px;margin-bottom:16px;border:1px solid var(--border);box-shadow:var(--shadow)}.calendar-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.calendar-nav{display:flex;gap:8px}.calendar-nav-btn{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:8px;font-size:16px;min-width:40px;height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;color:var(--text)}.calendar-nav-btn:hover{background:var(--primary);color:#fff;transform:scale(1.05)}.calendar-nav-btn:active{transform:scale(.95)}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);grid-gap:4px;gap:4px;margin-bottom:16px}.calendar-day-header{text-align:center;font-size:12px;font-weight:600;color:var(--text-light);padding:8px 0}.calendar-day{aspect-ratio:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;border-radius:10px;font-weight:500;font-size:14px;transition:all .2s ease;min-height:40px;background:var(--card);border:2px solid transparent;cursor:pointer;color:var(--text)}.calendar-day:not(.past-day):not(.registered-day):not(:disabled):hover{background:var(--primary-light);color:#fff;transform:scale(1.05)}.calendar-day.selected{background:var(--primary);color:#fff;border-color:var(--primary);transform:scale(1.05)}.calendar-day.other-month{color:var(--text-light);background:transparent;border:1px solid var(--border)}.calendar-day.other-month:not(.past-day):not(.registered-day):not(:disabled):hover{background:var(--primary-light);color:#fff;border-color:var(--primary-light)}.calendar-day.today{border-color:var(--primary);font-weight:700}.calendar-day.past-day{background:#f3f4f6;color:#9ca3af;cursor:not-allowed;opacity:.5}.calendar-day.registered-day{background:#fee2e2;color:#dc2626;cursor:not-allowed;border:2px solid #fecaca}.calendar-day.past-day.registered-day{background:#f3f4f6;color:#9ca3af;border:2px solid #e5e7eb}.calendar-day:disabled{cursor:not-allowed;opacity:.5}.calendar-day:active:not(:disabled){transform:scale(.95)}.calendar-selector{border:2px solid var(--border);border-radius:14px;padding:20px;background:var(--background);cursor:pointer;transition:all .3s ease}.calendar-selector:hover{border-color:var(--primary);background:var(--card);transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,.08)}.employees-list{display:grid;grid-gap:12px;gap:12px;margin-top:20px}.employee-item{background:var(--background);padding:20px;border-radius:14px;border:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;transition:all .3s ease;margin-bottom:12px}.employee-item:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,.08)}.employee-info strong{display:block;margin-bottom:4px;font-size:16px}.employee-info span{color:var(--text-light);font-size:14px}.filter-section{background:var(--card);border-radius:16px;padding:16px;margin-bottom:16px;border:1px solid var(--border)}.filter-row{display:flex;gap:12px;align-items:flex-end}.filter-group{flex:1 1}.filter-group label{display:block;margin-bottom:6px;font-weight:600;font-size:14px}.availability-list{display:grid;grid-gap:16px;gap:16px}.date-section{padding:16px}.date-title{font-size:16px;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--border)}.availability-items{display:grid;grid-gap:12px;gap:12px}.availability-item{padding:20px;border-radius:14px;transition:all .3s ease;margin-bottom:12px}.availability-item:hover{box-shadow:0 6px 20px rgba(0,0,0,.08)}.availability-info{flex:1 1}.employee-name{font-weight:600;font-size:16px;margin-bottom:4px}.availability-status{font-size:14px;font-weight:500}.status-available{color:var(--success)}.status-unavailable{color:var(--danger)}.availability-item{display:flex;justify-content:space-between;align-items:center;padding:16px;background:var(--card);border-radius:12px;border-left:4px solid var(--success);transition:all .2s ease;border:1px solid var(--border)}.availability-item:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.availability-item.unavailable{border-left-color:var(--danger)}.date-section{background:var(--background);border-radius:16px;padding:20px;border:1px solid var(--border);box-shadow:var(--shadow)}.date-title{font-size:18px;font-weight:700;margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--border);color:var(--text);display:flex;align-items:center;gap:8px}.selected-dates-container{display:flex;flex-wrap:wrap;gap:6px;max-height:80px;overflow-y:auto;padding:8px;background:var(--card);border-radius:8px}.selected-dates-container::-webkit-scrollbar{width:6px}.selected-dates-container::-webkit-scrollbar-track{background:var(--border);border-radius:3px}.selected-dates-container::-webkit-scrollbar-thumb{background:var(--primary);border-radius:3px}.empty-state{text-align:center;padding:60px 20px;color:var(--text-light)}.empty-state .icon{font-size:64px;margin-bottom:20px;opacity:.5}.empty-state h3{font-size:20px;margin-bottom:12px;color:var(--text);font-weight:600}.empty-state p{font-size:16px;line-height:1.5}.safe-area{padding-bottom:env(safe-area-inset-bottom)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:8px}.gap-3{gap:12px}.w-full{width:100%}.text-center{text-align:center}.text-sm{font-size:14px}.text-lg{font-size:18px}.font-semibold{font-weight:600}.mb-4{margin-bottom:16px}.mt-4{margin-top:16px}@media (max-width:430px){.main-content{padding:16px}.card{padding:20px}.calendar-day{min-height:36px;font-size:13px}.btn{padding:14px 20px;font-size:15px}.header-content{padding:0 16px;text-align:center}.header-content,.user-info{flex-direction:column;gap:12px}.user-details{text-align:center}.btn-logout{width:100%;justify-content:center}.availability-item{flex-direction:column;align-items:flex-start;gap:12px}.availability-item .btn{width:100%}.date-title{font-size:16px}.selected-dates-container{max-height:60px}.calendar-header{flex-direction:column;gap:12px}.calendar-nav{width:100%;justify-content:space-between}}@media (max-height:500px) and (orientation:landscape){.bottom-nav,.header{position:static}.bottom-nav{margin-top:12px}.app-container{padding-bottom:0}}@media (min-width:768px){.header-content,.main-content{max-width:600px}}