:root{--color-primary: #2563eb;--color-primary-dark: #1e40af;--color-primary-light: #60a5fa;--color-background: #f8fafc;--color-surface: #ffffff;--color-surface-hover: #f1f5f9;--color-text-primary: #0f172a;--color-text-secondary: #475569;--color-text-muted: #94a3b8;--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--color-info: #3b82f6;--color-border: #e2e8f0;--font-family-base: "Inter", system-ui, -apple-system, sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-md: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--font-weight-regular: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--spacing-1: .25rem;--spacing-2: .5rem;--spacing-3: .75rem;--spacing-4: 1rem;--spacing-5: 1.25rem;--spacing-6: 1.5rem;--spacing-8: 2rem;--spacing-10: 2.5rem;--spacing-12: 3rem;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--radius-sm: .25rem;--radius-md: .375rem;--radius-lg: .5rem;--radius-full: 9999px;--transition-base: all .2s ease-in-out}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-family-base);background-color:var(--color-background);color:var(--color-text-primary);line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}.container{max-width:1600px;margin:0 auto;padding:0 var(--spacing-4)}.flex-center{display:flex;align-items:center;justify-content:center}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.auth-layout{display:flex;align-items:center;justify-content:center;min-height:100vh;background-color:var(--color-background);padding:var(--spacing-4)}.auth-container{width:100%;max-width:400px}.button{display:inline-flex;align-items:center;justify-content:center;padding:var(--spacing-2) var(--spacing-4);font-family:var(--font-family-base);font-weight:var(--font-weight-medium);font-size:var(--font-size-sm);border-radius:var(--radius-md);transition:var(--transition-base);border:1px solid transparent;width:auto}.button:disabled{opacity:.6;cursor:not-allowed}.button-primary{background-color:var(--color-primary);color:var(--color-surface)}.button-primary:hover:not(:disabled){background-color:var(--color-primary-dark)}.button-secondary{background-color:var(--color-surface);color:var(--color-text-primary);border-color:var(--color-border)}.button-secondary:hover:not(:disabled){background-color:var(--color-surface-hover)}.button-outline{background-color:transparent;color:var(--color-primary);border-color:var(--color-primary)}.button-outline:hover:not(:disabled){background-color:var(--color-primary);color:var(--color-surface)}.button-ghost{background-color:transparent;color:var(--color-text-secondary)}.button-ghost:hover:not(:disabled){background-color:var(--color-surface-hover);color:var(--color-text-primary)}.button-sm{padding:var(--spacing-1) var(--spacing-3);font-size:var(--font-size-xs)}.button-md{padding:var(--spacing-2) var(--spacing-4);font-size:var(--font-size-sm)}.button-lg{padding:var(--spacing-3) var(--spacing-6);font-size:var(--font-size-md)}.button-w-full{width:100%}.input-wrapper{display:flex;flex-direction:column;gap:var(--spacing-1);width:100%}.input-label{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text-secondary)}.input-field-container{position:relative;display:flex;align-items:center}.input-field{width:100%;padding:var(--spacing-2) var(--spacing-3);font-family:var(--font-family-base);font-size:var(--font-size-md);color:var(--color-text-primary);background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);transition:var(--transition-base)}.input-field:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 2px var(--color-primary-light)}.input-field:disabled{background-color:var(--color-background);color:var(--color-text-muted);cursor:not-allowed}.input-error{border-color:var(--color-error)}.input-error:focus{border-color:var(--color-error);box-shadow:0 0 0 2px #ef444433}.input-error-message{font-size:var(--font-size-xs);color:var(--color-error)}.card{background-color:var(--color-surface);border-radius:var(--radius-lg);border:1px solid var(--color-border);box-shadow:var(--shadow-sm);padding:var(--spacing-6);transition:var(--transition-base)}.card-hover:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.badge{display:inline-flex;align-items:center;padding:2px var(--spacing-2);border-radius:var(--radius-full);font-size:var(--font-size-xs);font-weight:var(--font-weight-medium);line-height:1;white-space:nowrap}.badge-default{background-color:var(--color-background);color:var(--color-text-secondary);border:1px solid var(--color-border)}.badge-primary{background-color:var(--color-primary-light);color:var(--color-primary-dark);background-color:#3b82f61a}.badge-success{background-color:#10b9811a;color:#059669}.badge-warning{background-color:#f59e0b1a;color:#d97706}.badge-error{background-color:#ef44441a;color:#b91c1c}.sidebar{width:260px;background-color:var(--color-surface);border-right:1px solid var(--color-border);display:flex;flex-direction:column;height:100vh;position:fixed;left:0;top:0;z-index:10;transition:transform .3s ease}.sidebar-header{height:64px;display:flex;align-items:center;padding:0 var(--spacing-6);border-bottom:1px solid var(--color-border)}.sidebar-logo{font-size:var(--font-size-lg);font-weight:var(--font-weight-bold);color:var(--color-primary);display:flex;align-items:center;gap:var(--spacing-2)}.sidebar-nav{padding:var(--spacing-4);flex:1}.nav-item{display:flex;align-items:center;gap:var(--spacing-3);padding:var(--spacing-3) var(--spacing-4);color:var(--color-text-secondary);text-decoration:none;border-radius:var(--radius-md);transition:var(--transition-base);margin-bottom:var(--spacing-1)}.nav-item:hover{background-color:var(--color-surface-hover);color:var(--color-text-primary)}.nav-item.active{background-color:#2563eb1a;color:var(--color-primary);font-weight:var(--font-weight-medium)}.sidebar-footer{padding:var(--spacing-4);border-top:1px solid var(--color-border)}.user-info{display:flex;align-items:center;gap:var(--spacing-3);margin-bottom:var(--spacing-4)}.user-avatar{width:32px;height:32px;border-radius:var(--radius-full);background-color:var(--color-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}.user-details{display:flex;flex-direction:column}.user-name{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text-primary)}.user-role{font-size:var(--font-size-xs);color:var(--color-text-secondary)}.admin-layout{min-height:100vh;background-color:var(--color-background)}.admin-main{margin-left:260px;padding:var(--spacing-8);min-height:100vh}@media(max-width:768px){.admin-main{margin-left:0;padding:var(--spacing-4)}.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}}.guest-layout{min-height:100vh;background-color:var(--color-background);display:flex;flex-direction:column}.guest-header{background-color:var(--color-surface);border-bottom:1px solid var(--color-border);padding:var(--spacing-4) 0;box-shadow:var(--shadow-sm)}.guest-logo{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);color:var(--color-primary);display:flex;align-items:center;gap:var(--spacing-2)}.guest-content{flex:1;padding:var(--spacing-6) 0}.guest-footer{background-color:var(--color-surface);color:var(--color-text-secondary);padding:var(--spacing-6) 0;border-top:1px solid var(--color-border);text-align:center;font-size:var(--font-size-sm)}.login-header{text-align:center;margin-bottom:var(--spacing-6)}.login-title{font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin-bottom:var(--spacing-2)}.login-subtitle{color:var(--color-text-secondary);font-size:var(--font-size-sm)}.login-form{display:flex;flex-direction:column;gap:var(--spacing-4)}.rooms-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-6)}.rooms-title{font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary)}.rooms-table-container{overflow-x:auto}.rooms-table{width:100%;border-collapse:collapse}.rooms-table th,.rooms-table td{padding:var(--spacing-4);text-align:left;border-bottom:1px solid var(--color-border)}.rooms-table th{font-weight:var(--font-weight-medium);color:var(--color-text-secondary);font-size:var(--font-size-sm);background-color:var(--color-background)}.rooms-table td{font-size:var(--font-size-sm);color:var(--color-text-primary)}.rooms-table tr:hover td{background-color:var(--color-surface-hover)}.room-actions{display:flex;gap:var(--spacing-2)}