:root{--background: #ebf5ff;--surface: #ffffff;--surface-soft: #d1e9ff;--surface-softer: #cce5ff;--text-main: #1a1c1e;--text-muted: #5b6b7a;--border: #c9d8e8;--border-strong: #9db8d2;--primary: #4a90e2;--primary-dark: #2f6fb8;--leaf: #5fa860;--leaf-dark: #478a49;--error: #c62828;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);--shadow-md: 0 4px 6px rgba(0, 0, 0, .06);--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}*{box-sizing:border-box}html{min-height:100%;background-color:#e9f4fb;background-image:linear-gradient(180deg,#edf7ee,#e9f4fb 45%,#e6f1fb);background-attachment:fixed;background-size:cover}body{background:transparent;color:var(--text-main);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;margin:0;min-height:100vh}#root{min-height:100vh}button,input,select,textarea{font-family:inherit}button{transition:background-color .15s ease,transform .15s ease,opacity .15s ease}.app-container{max-width:1200px;margin:0 auto;padding:2rem;min-height:100vh}.view-content{padding-bottom:2rem}.text-muted{color:var(--text-muted)}.dashboard-grid{display:grid;grid-template-columns:2fr 1fr;gap:1.5rem;margin-top:2rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:1.5rem;box-shadow:var(--shadow-sm)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;font-size:.95rem;border-radius:var(--radius-sm);font-weight:600;cursor:pointer;border:1px solid var(--border-strong);background:var(--surface);color:var(--text-main);min-height:44px}.btn:hover{background:var(--surface-soft)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.nav-menu{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem 1.5rem;margin-bottom:2rem;border-bottom:1px solid var(--border);padding-bottom:1rem}.nav-logo{margin-right:auto}.nav-item{cursor:pointer;font-weight:500;color:var(--text-muted);position:relative;background:none;border:none;padding:.5rem .25rem;font-size:1rem;display:inline-flex;align-items:center;gap:.4rem;min-height:44px}.nav-item:hover{color:var(--text-main)}.nav-item.active{color:var(--primary-dark);font-weight:700}.nav-item.active:after{content:"";position:absolute;bottom:-1.05rem;left:0;width:100%;height:3px;background:var(--primary);border-radius:2px}.header{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;margin-bottom:2rem}.stat-value{font-size:2.5rem;font-weight:700;letter-spacing:-.025em}.payment-form{display:flex;flex-direction:column;gap:1rem;margin-top:1rem}.card-input{padding:.75rem;border:1px solid var(--border);border-radius:var(--radius-sm)}.chart-container{height:300px;width:100%;margin-top:1rem}.form-row{display:flex;flex-wrap:wrap;gap:10px}.form-field{display:flex;flex-direction:column;gap:4px;flex:1 1 160px;min-width:140px}.form-field label{font-size:.75rem;font-weight:600;color:var(--text-muted)}.form-field-wide{flex:2 1 220px}.inline-status{padding:10px 14px;border-radius:var(--radius-sm);font-size:.9rem;margin-top:12px}.inline-status.success{background:#e8f5e9;color:#2e7d32;border:1px solid #a5d6a7}.inline-status.error{background:#ffebee;color:#c62828;border:1px solid #ef9a9a}.inline-status.info{background:#e3f2fd;color:#1565c0;border:1px solid #90caf9}.app-footer{margin-top:3rem;padding-top:1rem;border-top:1px solid var(--border);font-size:.8rem;color:var(--text-muted);text-align:center}@media (max-width: 700px){.app-container{padding:1rem}.dashboard-grid{grid-template-columns:1fr}.nav-menu{gap:.25rem 1rem}.header{flex-direction:column;align-items:flex-start}.form-field{flex:1 1 100%}}@media (prefers-reduced-motion: reduce){*{transition:none!important;animation:none!important}}