:root{--color-primary:#1e40af;--color-primary-dark:#1e3a8a;--color-secondary:#0891b2;--color-success:#16a34a;--color-warning:#ca8a04;--color-danger:#dc2626;--color-bg:#f8fafc;--color-bg-card:#ffffff;--color-text:#1e293b;--color-text-muted:#64748b;--color-border:#e2e8f0}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--color-bg);color:var(--color-text);line-height:1.6;overflow-x:hidden}.container{max-width:1400px;margin:0 auto;padding:0 1rem}.card{background:var(--color-bg-card);border-radius:12px;box-shadow:0 1px 3px rgba(0,0,0,.1);border:1px solid var(--color-border);padding:1.5rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;font-size:.875rem;font-weight:500;border-radius:8px;border:none;cursor:pointer;transition:all .2s ease}.btn-primary{background:var(--color-primary);color:white}.btn-primary:hover{background:var(--color-primary-dark)}.btn-secondary{background:transparent;color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover{background:var(--color-bg)}.btn-danger{background:var(--color-danger);color:white}.btn-danger:hover{background:#b91c1c}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1e40af,#0891b2)}.login-card{background:white;padding:3rem;border-radius:16px;box-shadow:0 25px 50px -12px rgba(0,0,0,.25);width:100%;max-width:420px;text-align:center}.login-logo{font-size:3rem;margin-bottom:1rem}.login-title{font-size:1.75rem;font-weight:700;color:var(--color-text);margin-bottom:.5rem}.login-subtitle{color:var(--color-text-muted);margin-bottom:2rem}.dashboard-header{background:white;border-bottom:1px solid var(--color-border);padding:1rem 0;position:sticky;top:0;z-index:1000}.dashboard-header-content{display:flex;align-items:center;justify-content:space-between}.dashboard-logo{display:flex;align-items:center;gap:.75rem;font-size:1.25rem;font-weight:700;color:var(--color-primary)}.dashboard-nav{display:flex;gap:.25rem;flex-shrink:1;flex-wrap:nowrap;overflow:hidden}.dashboard-nav-item{padding:.5rem .75rem;color:var(--color-text-muted);text-decoration:none;border-radius:6px;transition:all .2s;white-space:nowrap;font-size:.875rem}.dashboard-nav-item:hover{background:var(--color-bg);color:var(--color-text)}.dashboard-nav-item.active{background:var(--color-primary);color:white}.user-menu{gap:.5rem;flex-shrink:0}.user-avatar,.user-menu{display:flex;align-items:center}.user-avatar{width:36px;height:36px;border-radius:50%;background:var(--color-primary);color:white;justify-content:center;font-weight:600}.dashboard-main{padding:2rem 0}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-bottom:2rem}.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem;margin-bottom:1.5rem}.stat-card{background:white;border-radius:12px;padding:1.5rem;border:1px solid var(--color-border)}.stat-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:.5rem}.stat-card-title{font-size:.875rem;color:var(--color-text-muted)}.stat-card-value{font-size:2rem;font-weight:700;color:var(--color-text)}.stat-card-change{font-size:.75rem;padding:.25rem .5rem;border-radius:4px}.stat-card-change.positive{background:#dcfce7;color:#16a34a}.stat-card-change.negative{background:#fee2e2;color:#dc2626}.badge{display:inline-flex;align-items:center;padding:.25rem .75rem;border-radius:9999px;font-size:.75rem;font-weight:500}.badge-success{background:#dcfce7;color:#16a34a}.badge-warning{background:#fef3c7;color:#ca8a04}.badge-danger{background:#fee2e2;color:#dc2626}.badge-info{background:#dbeafe;color:#1d4ed8}.loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;gap:1rem}.spinner{width:40px;height:40px;border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}input[type=date],input[type=email],input[type=number],input[type=password],input[type=search],input[type=tel],input[type=text],input[type=url],select,textarea{width:100%;padding:.625rem .75rem;border:1px solid var(--color-border);border-radius:6px;font-size:.875rem;color:var(--color-text);background:#f8fafc;transition:border-color .15s,box-shadow .15s,background .15s}select{cursor:pointer}input[type=date]:focus,input[type=email]:focus,input[type=number]:focus,input[type=password]:focus,input[type=search]:focus,input[type=tel]:focus,input[type=text]:focus,input[type=url]:focus,select:focus,textarea:focus{outline:none;border-color:var(--color-primary);background:white;box-shadow:0 0 0 3px rgba(30,64,175,.1)}input::placeholder,textarea::placeholder{color:#94a3b8}.form-input{width:100%;padding:.625rem .75rem;border:1px solid var(--color-border);border-radius:6px;font-size:.875rem;color:var(--color-text);background:#f8fafc;transition:border-color .15s,box-shadow .15s}.form-input:focus{outline:none;border-color:var(--color-primary);background:white;box-shadow:0 0 0 3px rgba(30,64,175,.1)}.form-input::placeholder{color:#94a3b8}.form-label{display:block;font-size:.75rem;font-weight:500;color:var(--color-text-muted);margin-bottom:.25rem}.form-group{margin-bottom:1rem}.badge-error{background:#fee2e2;color:#dc2626}