:root {
            --navy-primary: #1e3a8a;
            --navy-secondary: #3b82f6;
            --navy-light: #eff6ff;
            --white-clean: #ffffff;
            --text-dark: #1e293b;
            --bg-body: #f8fafc;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            background-color: var(--bg-body);
            color: var(--text-dark);
            margin: 0;
            padding-bottom: 75px; 
            overflow-x: hidden;
        }

        .app-header {
            background: linear-gradient(135deg, var(--navy-primary) 0%, #0f172a 100%);
            color: var(--white-clean);
            padding: 15px 20px;
            border-bottom-left-radius: 20px;
            border-bottom-right-radius: 20px;
            box-shadow: 0 4px 15px rgba(30, 58, 138, 0.15);
        }

        .app-logo {
            font-size: 1.4rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .compact-card {
            background-color: var(--white-clean);
            border-radius: 16px;
            border: none;
            box-shadow: 0 4px 12px rgba(15, 23, 42, 0.05);
            margin-bottom: 15px;
            transition: all 0.2s ease-in-out;
            overflow: hidden;
        }

        .balance-board {
            background: radial-gradient(circle at top right, var(--navy-secondary), var(--navy-primary));
            color: var(--white-clean);
            border-radius: 20px;
            padding: 22px;
            box-shadow: 0 8px 24px rgba(30, 58, 138, 0.25);
            margin-bottom: 25px;
            position: relative;
            overflow: hidden;
        }

        .mobile-bottom-nav {
            position: fixed;
            inset: auto 0 0 0;
            width: 100%;
            height: 65px;
            background-color: var(--white-clean);
            display: flex;
            justify-content: space-around;
            align-items: center;
            box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.08);
            z-index: 1050;
            border-top-left-radius: 18px;
            border-top-right-radius: 18px;
        }

        .mobile-nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-decoration: none;
            color: #94a3b8;
            font-size: 0.75rem;
            font-weight: 600;
            transition: color 0.2s;
            cursor: pointer;
        }

        .mobile-nav-item.active, .mobile-nav-item:hover {
            color: var(--navy-primary);
        }

        .mobile-nav-item i {
            font-size: 1.35rem;
            margin-bottom: 3px;
        }

        .floating-add-btn {
            width: 55px;
            height: 55px;
            background-color: var(--navy-primary);
            color: white;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            font-size: 1.5rem;
            box-shadow: 0 4px 15px rgba(30, 58, 138, 0.4);
            transform: translateY(-20px);
            border: 4px solid var(--bg-body);
            transition: transform 0.2s;
        }

        .badge-status {
            font-size: 0.75rem;
            padding: 5px 10px;
            border-radius: 20px;
            font-weight: bold;
        }

        .badge-approved { background-color: #dcfce7; color: #15803d; }
        .badge-pending { background-color: #fef9c3; color: #a16207; }
        .badge-rejected { background-color: #fee2e2; color: #b91c1c; }

        .form-control, .form-select {
            border-radius: 10px;
            border: 1px solid #cbd5e1;
            padding: 10px 14px;
            font-size: 0.95rem;
        }

        .form-control:focus, .form-select:focus {
            border-color: var(--navy-primary);
            box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.15);
        }

        .trx-list-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 14px 16px;
            border-bottom: 1px solid #f1f5f9;
        }

        .trx-list-item:last-child { border-bottom: none; }

        .trx-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
        }

        .icon-pemasukan { background-color: #ecfdf5; color: #059669; }
        .icon-pengeluaran { background-color: #fef2f2; color: #dc2626; }

        @media (min-width: 768px) {
            .app-container {
                max-width: 100%;
                margin: 0 auto;
                box-shadow: none;
                border-radius: 0;
                background-color: transparent;
                position: relative;
                min-height: 100vh;
                overflow: visible;
                padding-bottom: 80px;
            }
            .mobile-bottom-nav {
                position: fixed;
                inset: auto 0 0 0;
                border-bottom-left-radius: 0;
                border-bottom-right-radius: 0;
            }
            body {
                background-color: var(--bg-body);
                padding-bottom: 75px;
            }
        }