:root{--primary:#2563eb;--primary-dark:#1d4ed8;--secondary:#64748b;--accent:#f59e0b;--background:#f8fafc;--surface:#fff;--text:#0f172a;--text-light:#64748b;--error:#ef4444;--success:#22c55e;--border:#e2e8f0;--radius:12px;--shadow:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--sidebar-width:260px}[data-theme=dark]{--background:#0f172a;--surface:#1e293b;--text:#f8fafc;--text-light:#94a3b8;--border:#334155;--shadow:0 4px 6px -1px #0000004d}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--background);color:var(--text);-webkit-font-smoothing:antialiased;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5}button{cursor:pointer;background:0 0;border:none;font-family:inherit}a{color:inherit;text-decoration:none}ul{list-style:none}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:10px}::-webkit-scrollbar-thumb:hover{background:var(--secondary)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:.4s ease-out forwards fadeIn}.admin-container{min-height:100vh;display:flex;position:relative}.sidebar{width:var(--sidebar-width);background-color:var(--surface);border-right:1px solid var(--border);flex-direction:column;height:100vh;padding:1.5rem;display:flex;position:sticky;top:0}.logo{color:var(--primary);align-items:center;gap:.5rem;margin-bottom:2.5rem;font-size:1.5rem;font-weight:800;display:flex}.nav-list{flex-direction:column;gap:.5rem;display:flex}.nav-item{border-radius:var(--radius);color:var(--text-light);align-items:center;gap:.75rem;padding:.75rem 1rem;transition:all .2s;display:flex}.nav-item:hover{background-color:var(--background);color:var(--primary)}.nav-item.active{background-color:var(--primary);color:#fff}.main-content{flex:1;padding:2rem;overflow-y:auto}.header{align-items:center;gap:2rem;margin-bottom:2rem;display:flex}.header h1{margin-right:1rem}.header-actions{flex:1;justify-content:space-between;align-items:center;display:flex}.filter-bar{align-items:center;gap:1rem;margin-left:3rem;display:flex}.search-container{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);align-items:center;width:450px;max-width:100%;height:44px;padding:0 .75rem;display:flex}.search-container input{box-shadow:none;background:0 0;border:none;flex:1;width:100%;padding:.75rem}.search-container input:focus{box-shadow:none}.area-select{border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);height:44px;color:var(--text);box-shadow:var(--shadow);cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-position:right 1rem center;background-repeat:no-repeat;background-size:1rem;outline:none;padding:0 2.5rem 0 1rem;font-weight:500;transition:all .2s}.area-select:hover{border-color:var(--primary);background-color:#f8fafc}.user-profile{background:var(--surface);box-shadow:var(--shadow);border:1px solid var(--border);border-radius:99px;align-items:center;gap:.75rem;padding:.5rem 1rem;display:flex}.admin-avatar{background:var(--primary);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:.875rem;font-weight:700;display:flex}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem;margin-bottom:2rem;display:grid}.stat-card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);flex-direction:column;gap:.5rem;padding:1.5rem;display:flex}.stat-card h3{color:var(--text-light);text-transform:uppercase;letter-spacing:.05em;font-size:.875rem}.stat-card .value{font-size:1.875rem;font-weight:700}.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:2rem;overflow:hidden}.card-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:1.5rem;display:flex}.table-wrapper{overflow-x:auto}table{border-collapse:collapse;text-align:left;width:100%}th{background:var(--background);text-transform:uppercase;color:var(--text-light);padding:1rem 1.5rem;font-size:.75rem;font-weight:600}td{border-bottom:1px solid var(--border);padding:1rem 1.5rem;font-size:.875rem}tr:last-child td{border-bottom:none}.status-badge{text-transform:capitalize;border-radius:99px;padding:.25rem .75rem;font-size:.75rem;font-weight:600}.status-paid{color:#166534;background:#dcfce7}.status-pending{color:#854d0e;background:#fef9c3}.status-cancelled{color:#991b1b;background:#fee2e2}.btn{border-radius:8px;padding:.5rem 1rem;font-size:.875rem;font-weight:600;transition:all .2s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-danger{color:var(--error)}.btn-danger:hover{background:#fee2e2}.form-grid{grid-template-columns:repeat(2,1fr);gap:1rem;display:grid}.form-group{flex-direction:column;gap:.5rem;display:flex}input,select{border:1px solid var(--border);border-radius:8px;padding:.75rem;font-size:1rem}input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #2563eb1a}.calendar-grid{grid-template-columns:repeat(7,1fr);gap:.75rem;max-width:750px;display:grid}.calendar-day{border:1px solid var(--border);cursor:pointer;background:#fff;border-radius:10px;justify-content:center;align-items:center;min-height:70px;font-weight:600;transition:all .2s;display:flex}.calendar-day:hover{background:var(--background);border-color:var(--primary)}.calendar-day.disabled{color:#dc2626;background:#fee2e2;border-color:#f87171}.hamburger-btn{z-index:1001;background:var(--primary);color:#fff;cursor:pointer;width:44px;height:44px;box-shadow:var(--shadow-lg);border:none;border-radius:10px;justify-content:center;align-items:center;transition:background .2s;display:none;position:fixed;top:1rem;left:1rem}.hamburger-btn:hover{background:var(--primary-dark)}.sidebar-backdrop{z-index:999;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#00000073;display:none;position:fixed;inset:0}@media (width<=768px){.hamburger-btn{display:flex}.sidebar{z-index:1000;width:260px;height:100vh;box-shadow:var(--shadow-lg);transition:left .3s cubic-bezier(.4,0,.2,1);position:fixed;top:0;left:-280px}.sidebar.open{left:0}.sidebar-backdrop.visible{display:block}.main-content{width:100%;padding:4.5rem 1rem 1rem}.header{flex-direction:column;align-items:flex-start;gap:.75rem;margin-bottom:1.25rem}.header h1{margin-right:0;font-size:1.25rem}.header-actions{flex-direction:column;align-items:flex-start;gap:.75rem;width:100%}.filter-bar{flex-direction:column;gap:.75rem;width:100%;margin-left:0}.search-container,.area-select{width:100%}.user-profile{align-self:flex-end}.dashboard-grid{grid-template-columns:1fr!important}.stats-grid{grid-template-columns:repeat(2,1fr);gap:.75rem;margin-bottom:1.25rem}.stat-card{padding:1rem}.stat-card .value{font-size:1.5rem}.form-grid{grid-template-columns:1fr}.form-grid input[style*=gridColumn],.form-grid div[style*=gridColumn]{grid-column:span 1!important}.calendar-grid{grid-template-columns:repeat(4,1fr);gap:.5rem;max-width:100%}.calendar-day{min-height:56px;font-size:.875rem}.card-header{flex-wrap:wrap;gap:.5rem;padding:1rem}.card-header h3{font-size:.9rem}th,td{padding:.75rem .875rem;font-size:.8125rem}.btn{padding:.6rem 1rem;font-size:.875rem}}@media (width<=420px){.stats-grid{grid-template-columns:1fr}.calendar-grid{grid-template-columns:repeat(3,1fr)}}.login-container{background-color:var(--background);justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);width:100%;max-width:400px;padding:3rem}.error-message{color:#dc2626;text-align:center;background:#fee2e2;border-radius:8px;margin-bottom:1rem;padding:.75rem;font-size:.875rem}