*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-primary: #003366;--color-secondary: #F5F5F5;--color-accent: #FF6B35;--color-white: #ffffff;--color-text: #1a1a1a;--color-text-light: #666666;--color-border: #d0d0d0;--color-error: #cc0000;--color-success: #007a33;--font-family: "Segoe UI", Arial, sans-serif;--font-size-base: 14px;--sidebar-width: 240px;--navbar-height: 60px;--shadow-sm: 0 1px 3px rgba(0,0,0,.12);--shadow-md: 0 4px 12px rgba(0,0,0,.15);--radius-sm: 4px;--radius-md: 8px;--transition: .2s ease}html,body{height:100%;font-family:var(--font-family);font-size:var(--font-size-base);background-color:var(--color-secondary);color:var(--color-text)}.app-layout{display:flex;height:100vh;overflow:hidden}.app-content{display:flex;flex-direction:column;flex:1;overflow:hidden;margin-left:var(--sidebar-width)}.app-main{flex:1;overflow-y:auto;padding:24px;background-color:var(--color-secondary)}.navbar{height:var(--navbar-height);background-color:var(--color-primary);color:var(--color-white);display:flex;align-items:center;justify-content:space-between;padding:0 24px;box-shadow:var(--shadow-sm);flex-shrink:0;position:sticky;top:0;z-index:100}.navbar-brand{font-size:18px;font-weight:700;letter-spacing:1px;color:var(--color-white);text-decoration:none}.navbar-brand span{color:var(--color-accent)}.navbar-user{display:flex;align-items:center;gap:12px;font-size:13px}.navbar-user-name{color:var(--color-secondary)}.btn-logout{background:transparent;border:1px solid var(--color-accent);color:var(--color-accent);padding:6px 14px;border-radius:var(--radius-sm);cursor:pointer;font-size:12px;transition:background var(--transition),color var(--transition)}.btn-logout:hover{background-color:var(--color-accent);color:var(--color-white)}.sidebar{width:var(--sidebar-width);background-color:var(--color-primary);color:var(--color-white);display:flex;flex-direction:column;position:fixed;top:0;left:0;height:100vh;z-index:200;box-shadow:var(--shadow-md)}.sidebar-header{height:var(--navbar-height);display:flex;align-items:center;padding:0 20px;border-bottom:1px solid rgba(255,255,255,.1);font-size:16px;font-weight:700;letter-spacing:1px}.sidebar-header span{color:var(--color-accent)}.sidebar-nav{flex:1;overflow-y:auto;padding:12px 0}.sidebar-nav ul{list-style:none}.sidebar-nav a{display:flex;align-items:center;gap:10px;padding:11px 20px;color:#fffc;text-decoration:none;font-size:13px;transition:background var(--transition),color var(--transition);border-left:3px solid transparent}.sidebar-nav a:hover,.sidebar-nav a.active{background-color:#ffffff14;color:var(--color-white);border-left-color:var(--color-accent)}.login-wrapper{min-height:100vh;display:flex;align-items:center;justify-content:center;background-color:var(--color-primary)}.login-card{background-color:var(--color-white);border-radius:var(--radius-md);padding:40px 36px;width:100%;max-width:380px;box-shadow:var(--shadow-md)}.login-logo{text-align:center;margin-bottom:28px}.login-logo h1{font-size:26px;font-weight:800;color:var(--color-primary);letter-spacing:2px}.login-logo h1 span{color:var(--color-accent)}.login-logo p{font-size:12px;color:var(--color-text-light);margin-top:4px}.form-group{margin-bottom:18px}.form-group label{display:block;font-size:12px;font-weight:600;color:var(--color-text);margin-bottom:6px;text-transform:uppercase;letter-spacing:.5px}.form-control{width:100%;padding:10px 12px;border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:14px;color:var(--color-text);background-color:var(--color-white);transition:border-color var(--transition),box-shadow var(--transition);outline:none}.form-control:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #0033661f}.form-control.error{border-color:var(--color-error)}.form-error{font-size:11px;color:var(--color-error);margin-top:4px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;cursor:pointer;border:none;transition:background var(--transition),opacity var(--transition);text-decoration:none}.btn-primary{background-color:var(--color-primary);color:var(--color-white);width:100%}.btn-primary:hover{background-color:#004080}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-accent{background-color:var(--color-accent);color:var(--color-white)}.btn-accent:hover{background-color:#e55a28}.alert{padding:10px 14px;border-radius:var(--radius-sm);font-size:13px;margin-bottom:16px}.alert-error{background-color:#fff0f0;border:1px solid var(--color-error);color:var(--color-error)}.alert-success{background-color:#f0fff4;border:1px solid var(--color-success);color:var(--color-success)}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px;margin-bottom:28px}.dashboard-card{background-color:var(--color-white);border-radius:var(--radius-md);padding:20px;box-shadow:var(--shadow-sm);border-left:4px solid var(--color-primary)}.dashboard-card-title{font-size:12px;color:var(--color-text-light);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}.dashboard-card-value{font-size:28px;font-weight:700;color:var(--color-primary)}.table-wrapper{background-color:var(--color-white);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);overflow:hidden}.table{width:100%;border-collapse:collapse;font-size:13px}.table th{background-color:var(--color-primary);color:var(--color-white);padding:12px 16px;text-align:left;font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.5px}.table td{padding:11px 16px;border-bottom:1px solid var(--color-border);color:var(--color-text)}.table tr:last-child td{border-bottom:none}.table tr:hover td{background-color:#f0f4f8}.page-header{margin-bottom:24px}.page-title{font-size:20px;font-weight:700;color:var(--color-primary)}.page-subtitle{font-size:13px;color:var(--color-text-light);margin-top:4px}